-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/Documentation/DocBook/Makefile linux-2.6.18-53.1.14.kgdb/Documentation/DocBook/Makefile
---- linux-2.6.18-53.1.14/Documentation/DocBook/Makefile 2008-03-06 05:54:50.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/Documentation/DocBook/Makefile 2008-06-10 15:37:25.000000000 +0400
-@@ -11,7 +11,7 @@ DOCBOOKS := wanbook.xml z8530book.xml mc
- procfs-guide.xml writing_usb_driver.xml \
- kernel-api.xml journal-api.xml lsm.xml utrace.xml usb.xml \
- gadget.xml libata.xml mtdnand.xml librs.xml rapidio.xml \
-- genericirq.xml
-+ genericirq.xml kgdb.xml
-
- ###
- # The build process is as follows (targets):
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/Documentation/DocBook/kgdb.tmpl linux-2.6.18-53.1.14.kgdb/Documentation/DocBook/kgdb.tmpl
---- linux-2.6.18-53.1.14/Documentation/DocBook/kgdb.tmpl 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/Documentation/DocBook/kgdb.tmpl 2008-06-10 15:38:50.000000000 +0400
-@@ -0,0 +1,250 @@
-+<?xml version="1.0" encoding="UTF-8"?>
-+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
-+ "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
-+
-+<book id="kgdbInternals">
-+ <bookinfo>
-+ <title>KGDB Internals</title>
-+
-+ <authorgroup>
-+ <author>
-+ <firstname>Tom</firstname>
-+ <surname>Rini</surname>
-+ <affiliation>
-+ <address>
-+ <email>trini@kernel.crashing.org</email>
-+ </address>
-+ </affiliation>
-+ </author>
-+ </authorgroup>
-+
-+ <authorgroup>
-+ <author>
-+ <firstname>Amit S.</firstname>
-+ <surname>Kale</surname>
-+ <affiliation>
-+ <address>
-+ <email>amitkale@linsyssoft.com</email>
-+ </address>
-+ </affiliation>
-+ </author>
-+ </authorgroup>
-+
-+ <copyright>
-+ <year>2004-2005</year>
-+ <holder>MontaVista Software, Inc.</holder>
-+ </copyright>
-+ <copyright>
-+ <year>2004</year>
-+ <holder>Amit S. Kale</holder>
-+ </copyright>
-+
-+ <legalnotice>
-+ <para>
-+ This file is licensed under the terms of the GNU General Public License
-+ version 2. This program is licensed "as is" without any warranty of any
-+ kind, whether express or implied.
-+ </para>
-+
-+ </legalnotice>
-+ </bookinfo>
-+
-+<toc></toc>
-+ <chapter id="Introduction">
-+ <title>Introduction</title>
-+ <para>
-+ kgdb is a source level debugger for linux kernel. It is used along
-+ with gdb to debug a linux kernel. Kernel developers can debug a kernel
-+ similar to application programs with the use of kgdb. It makes it
-+ possible to place breakpoints in kernel code, step through the code
-+ and observe variables.
-+ </para>
-+ <para>
-+ Two machines are required for using kgdb. One of these machines is a
-+ development machine and the other is a test machine. The machines are
-+ typically connected through a serial line, a null-modem cable which
-+ connects their serial ports. It is also possible however, to use an
-+ ethernet connection between the machines. The kernel to be debugged
-+ runs on the test machine. gdb runs on the development machine. The
-+ serial line or ethernet connection is used by gdb to communicate to
-+ the kernel being debugged.
-+ </para>
-+ </chapter>
-+ <chapter id="CompilingAKernel">
-+ <title>Compiling a kernel</title>
-+ <para>
-+ To enable <symbol>CONFIG_KGDB</symbol>, look under the "Kernel debugging"
-+ and then select "KGDB: kernel debugging with remote gdb".
-+ </para>
-+ <para>
-+ The first choice for I/O is <symbol>CONFIG_KGDB_ONLY_MODULES</symbol>.
-+ This means that you will only be able to use KGDB after loading a
-+ kernel module that defines how you want to be able to talk with
-+ KGDB. There are two other choices (more on some architectures) that
-+ can be enabled as modules later, if not picked here.
-+ </para>
-+ <para>The first of these is <symbol>CONFIG_KGDB_8250_NOMODULE</symbol>.
-+ This has sub-options such as <symbol>CONFIG_KGDB_SIMPLE_SERIAL</symbol>
-+ which toggles choosing the serial port by ttyS number or by specifying
-+ a port and IRQ number.
-+ </para>
-+ <para>
-+ The second of these choices on most systems for I/O is
-+ <symbol>CONFIG_KGDBOE</symbol>. This requires that the machine to be
-+ debugged has an ethernet card which supports the netpoll API, such as
-+ the cards supported by <symbol>CONFIG_E100</symbol>. There are no
-+ sub-options for this, but a kernel command line option is required.
-+ </para>
-+ </chapter>
-+ <chapter id="BootingTheKernel">
-+ <title>Booting the kernel</title>
-+ <para>
-+ The Kernel command line option <constant>kgdbwait</constant> makes kgdb
-+ wait for gdb connection during booting of a kernel. If the
-+ <symbol>CONFIG_KGDB_8250</symbol> driver is used (or if applicable,
-+ another serial driver) this breakpoint will happen very early on, before
-+ console output. If you wish to change serial port information and you
-+ have enabled both <symbol>CONFIG_KGDB_8250</symbol> and
-+ <symbol>CONFIG_KGDB_SIMPLE_SERIAL</symbol> then you must pass the option
-+ <constant>kgdb8250=<io or mmio>,<address>,<baud
-+ rate>,<irq></constant> before <constant>kgdbwait</constant>.
-+ The values <constant>io</constant> or <constant>mmio</constant> refer to
-+ if the address being passed next needs to be memory mapped
-+ (<constant>mmio</constant>) or not. The <constant>address</constant> must
-+ be passed in hex and is the hardware address and will be remapped if
-+ passed as <constant>mmio</constant>. The value
-+ <constant>baud rate</constant> and <constant>irq</constant> are base-10.
-+ The supported values for <constant>baud rate</constant> are
-+ <constant>9600</constant>, <constant>19200</constant>,
-+ <constant>38400</constant>, <constant>57600</constant>, and
-+ <constant>115200</constant>.
-+ </para>
-+ <para>
-+ To have KGDB stop the kernel and wait, with the compiled values for the
-+ serial driver, pass in: <constant>kgdbwait</constant>.
-+ </para>
-+ <para>
-+ To specify the values of the SH SCI(F) serial port at boot:
-+ <constant>kgdbsci=0,115200</constant>.
-+ </para>
-+ <para>
-+ To specify the values of the serial port at boot:
-+ <constant>kgdb8250=io,3f8,115200,3</constant>.
-+ On IA64 this could also be:
-+ <constant>kgdb8250=mmio,0xff5e0000,115200,74</constant>
-+ And to have KGDB also stop the kernel and wait for GDB to connect, pass in
-+ <constant>kgdbwait</constant> after this arguement.
-+ </para>
-+ <para>
-+ To configure the <symbol>CONFIG_KGDBOE</symbol> driver, pass in
-+ <constant>kgdboe=[src-port]@<src-ip>/[dev],[tgt-port]@<tgt-ip>/[tgt-macaddr]</constant>
-+ where:
-+ <itemizedlist>
-+ <listitem><para>src-port (optional): source for UDP packets (defaults to <constant>6443</constant>)</para></listitem>
-+ <listitem><para>src-ip: source IP to use (interface address)</para></listitem>
-+ <listitem><para>dev (optional): network interface (<constant>eth0</constant>)</para></listitem>
-+ <listitem><para>tgt-port (optional): port GDB will use (defaults to <constant>6442</constant>)</para></listitem>
-+ <listitem><para>tgt-ip: IP address GDB will be connecting from</para></listitem>
-+ <listitem><para>tgt-macaddr (optional): ethernet MAC address for logging agent (default is broadcast)</para></listitem>
-+ </itemizedlist>
-+ </para>
-+ <para>
-+ The <symbol>CONFIG_KGDBOE</symbol> driver can be reconfigured at run
-+ time, if <symbol>CONFIG_SYSFS</symbol> and
-+ <symbol>CONFIG_MODULES</symbol> by echo'ing a new config string to
-+ <constant>/sys/module/kgdboe/parameter/kgdboe</constant>. The
-+ driver can be unconfigured with the special string
-+ <constant>not_configured</constant>.
-+ </para>
-+ </chapter>
-+ <chapter id="ConnectingGDB">
-+ <title>Connecting gdb</title>
-+ <para>
-+ If you have used any of the methods to have KGDB stop and create
-+ an initial breakpoint described in the previous chapter, kgdb prints
-+ the message "Waiting for connection from remote gdb..." on the console
-+ and waits for connection from gdb. At this point you connect gdb to kgdb.
-+ </para>
-+ <para>
-+ Example (serial):
-+ </para>
-+ <programlisting>
-+ % gdb ./vmlinux
-+ (gdb) set remotebaud 115200
-+ (gdb) target remote /dev/ttyS0
-+ </programlisting>
-+ <para>
-+ Example (ethernet):
-+ </para>
-+ <programlisting>
-+ % gdb ./vmlinux
-+ (gdb) target remote udp:192.168.2.2:6443
-+ </programlisting>
-+ <para>
-+ Once connected, you can debug a kernel the way you would debug an
-+ application program.
-+ </para>
-+ </chapter>
-+ <chapter id="ArchitectureNotes">
-+ <title>Architecture specific notes</title>
-+ <para>
-+ SuperH: The NMI switch found on some boards can be used to trigger an
-+ initial breakpoint. Subsequent triggers do nothing. If console
-+ is enabled on the SCI(F) serial port, and that is the port being used
-+ for KGDB, then you must trigger a breakpoint via sysrq, NMI, or
-+ some other method prior to connecting, or echo a control-c to the
-+ serial port. Also, to use the SCI(F) port for KGDB, the
-+ <symbol>CONFIG_SERIAL_SH_SCI</symbol> driver must be enabled.
-+ </para>
-+ </chapter>
-+ <chapter id="CommonBackEndReq">
-+ <title>The common backend (required)</title>
-+ <para>
-+ There are a few flags which must be set on every architecture in
-+ their <asm/kgdb.h> file. These are:
-+ <itemizedlist>
-+ <listitem>
-+ <para>
-+ NUMREGBYTES: The size in bytes of all of the registers, so
-+ that we can ensure they will all fit into a packet.
-+ </para>
-+ <para>
-+ BUFMAX: The size in bytes of the buffer GDB will read into.
-+ This must be larger than NUMREGBYTES.
-+ </para>
-+ <para>
-+ CACHE_FLUSH_IS_SAFE: Set to one if it always safe to call
-+ flush_cache_range or flush_icache_range. On some architectures,
-+ these functions may not be safe to call on SMP since we keep other
-+ CPUs in a holding pattern.
-+ </para>
-+ </listitem>
-+ </itemizedlist>
-+ </para>
-+ <para>
-+ There are also the following functions for the common backend,
-+ found in kernel/kgdb.c that must be supplied by the
-+ architecture-specific backend. No weak version of these is provided.
-+ </para>
-+!Iinclude/linux/kgdb.h
-+ </chapter>
-+ <chapter id="CommonBackEndOpt">
-+ <title>The common backend (optional)</title>
-+ <para>
-+ These functions are part of the common backend, found in kernel/kgdb.c
-+ and are optionally implemented. Some functions (with _hw_ in the name)
-+ end up being required on arches which use hardware breakpoints.
-+ </para>
-+!Ikernel/kgdb.c
-+ </chapter>
-+ <chapter id="DriverSpecificFunctions">
-+ <title>Driver-Specific Functions</title>
-+ <para>
-+ Some of the I/O drivers have additional functions that can be
-+ called, that are specific to the driver. Calls from other places
-+ to these functions must be wrapped in #ifdefs for the driver in
-+ question.
-+ </para>
-+!Idrivers/serial/8250_kgdb.c
-+ </chapter>
-+</book>
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/MAINTAINERS linux-2.6.18-53.1.14.kgdb/MAINTAINERS
---- linux-2.6.18-53.1.14/MAINTAINERS 2008-03-06 05:54:49.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/MAINTAINERS 2008-06-10 15:37:25.000000000 +0400
-@@ -1715,6 +1715,15 @@ L: linux-kernel@vger.kernel.org
- L: fastboot@osdl.org
- S: Maintained
-
-+KGDB
-+P: Tom Rini
-+P: Amit S. Kale
-+M: trini@kernel.crashing.org
-+M: amitkale@linsyssoft.com
-+W: http://sourceforge.net/projects/kgdb
-+L: kgdb-bugreport@lists.sourceforge.net
-+S: Maintained
-+
- KPROBES
- P: Prasanna S Panchamukhi
- M: prasanna@in.ibm.com
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/Makefile linux-2.6.18-53.1.14.kgdb/Makefile
---- linux-2.6.18-53.1.14/Makefile 2008-03-06 05:55:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/Makefile 2008-06-10 15:39:01.000000000 +0400
-@@ -992,6 +992,7 @@ MRPROPER_DIRS += include/config include
- MRPROPER_FILES += .config .config.old include/asm .version .old_version \
- include/linux/autoconf.h include/linux/version.h \
- include/linux/utsrelease.h \
-+ include/linux/dwarf2-defs.h \
- Module.symvers tags TAGS cscope*
-
- # clean - Delete most, but leave enough to build external modules
-@@ -1422,7 +1423,11 @@ clean := -f $(if $(KBUILD_SRC),$(srctree
- endif # skip-makefile
-
- PHONY += FORCE
--FORCE:
-+include/linux/dwarf2-defs.h: $(srctree)/include/linux/dwarf2.h $(srctree)/scripts/dwarfh.awk
-+ mkdir -p include/linux/
-+ awk -f $(srctree)/scripts/dwarfh.awk $(srctree)/include/linux/dwarf2.h > include/linux/dwarf2-defs.h
-+
-+FORCE: include/linux/dwarf2-defs.h
-
-
- # Declare the contents of the .PHONY variable as phony. We keep that
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/kernel/Makefile linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/Makefile
---- linux-2.6.18-53.1.14/arch/arm/kernel/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/Makefile 2008-06-10 15:38:56.000000000 +0400
-@@ -20,6 +20,7 @@ obj-$(CONFIG_ISA_DMA) += dma-isa.o
- obj-$(CONFIG_PCI) += bios32.o isa.o
- obj-$(CONFIG_SMP) += smp.o
- obj-$(CONFIG_OABI_COMPAT) += sys_oabi-compat.o
-+obj-$(CONFIG_KGDB) += kgdb.o kgdb-jmp.o
-
- obj-$(CONFIG_CRUNCH) += crunch.o crunch-bits.o
- AFLAGS_crunch-bits.o := -Wa,-mcpu=ep9312
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/kernel/entry-armv.S linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/entry-armv.S
---- linux-2.6.18-53.1.14/arch/arm/kernel/entry-armv.S 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/entry-armv.S 2008-06-10 15:39:01.000000000 +0400
-@@ -15,6 +15,7 @@
- * it to save wrong values... Be aware!
- */
-
-+#include <asm/kgdb.h>
- #include <asm/memory.h>
- #include <asm/glue.h>
- #include <asm/vfpmacros.h>
-@@ -232,6 +233,7 @@ svc_preempt:
- beq preempt_return @ go again
- b 1b
- #endif
-+ CFI_END_FRAME(__irq_svc)
-
- .align 5
- __und_svc:
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/kernel/kgdb-jmp.S linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/kgdb-jmp.S
---- linux-2.6.18-53.1.14/arch/arm/kernel/kgdb-jmp.S 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/kgdb-jmp.S 2008-06-10 15:38:56.000000000 +0400
-@@ -0,0 +1,32 @@
-+/*
-+ * arch/arm/kernel/kgdb-jmp.S
-+ *
-+ * Trivial setjmp and longjmp procedures to support bus error recovery
-+ * which may occur during kgdb memory read/write operations.
-+ *
-+ * Author: MontaVista Software, Inc. <source@mvista.com>
-+ * source@mvista.com
-+ *
-+ * 2002-2005 (c) MontaVista Software, Inc. This file is licensed under the
-+ * terms of the GNU General Public License version 2. This program as licensed
-+ * "as is" without any warranty of any kind, whether express or implied.
-+ */
-+#include <linux/linkage.h>
-+
-+ENTRY (kgdb_fault_setjmp)
-+ /* Save registers */
-+ stmia r0, {r0-r14}
-+ str lr,[r0, #60]
-+ mrs r1,cpsr
-+ str r1,[r0,#64]
-+ ldr r1,[r0,#4]
-+ mov r0, #0
-+ mov pc,lr
-+
-+ENTRY (kgdb_fault_longjmp)
-+ /* Restore registers */
-+ mov r1,#1
-+ str r1,[r0]
-+ ldr r1,[r0, #64]
-+ msr spsr,r1
-+ ldmia r0,{r0-pc}^
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/kernel/kgdb.c linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/kgdb.c
---- linux-2.6.18-53.1.14/arch/arm/kernel/kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/kgdb.c 2008-06-10 15:38:56.000000000 +0400
-@@ -0,0 +1,208 @@
-+/*
-+ * arch/arm/kernel/kgdb.c
-+ *
-+ * ARM KGDB support
-+ *
-+ * Copyright (c) 2002-2004 MontaVista Software, Inc
-+ *
-+ * Authors: George Davis <davis_g@mvista.com>
-+ * Deepak Saxena <dsaxena@plexity.net>
-+ */
-+#include <linux/config.h>
-+#include <linux/types.h>
-+#include <linux/kernel.h>
-+#include <linux/signal.h>
-+#include <linux/sched.h>
-+#include <linux/mm.h>
-+#include <linux/spinlock.h>
-+#include <linux/personality.h>
-+#include <linux/ptrace.h>
-+#include <linux/elf.h>
-+#include <linux/interrupt.h>
-+#include <linux/init.h>
-+#include <linux/kgdb.h>
-+
-+#include <asm/atomic.h>
-+#include <asm/io.h>
-+#include <asm/pgtable.h>
-+#include <asm/system.h>
-+#include <asm/uaccess.h>
-+#include <asm/unistd.h>
-+#include <asm/ptrace.h>
-+#include <asm/traps.h>
-+
-+/* Make a local copy of the registers passed into the handler (bletch) */
-+void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *kernel_regs)
-+{
-+ int regno;
-+
-+ /* Initialize all to zero (??) */
-+ for (regno = 0; regno < GDB_MAX_REGS; regno++)
-+ gdb_regs[regno] = 0;
-+
-+ gdb_regs[_R0] = kernel_regs->ARM_r0;
-+ gdb_regs[_R1] = kernel_regs->ARM_r1;
-+ gdb_regs[_R2] = kernel_regs->ARM_r2;
-+ gdb_regs[_R3] = kernel_regs->ARM_r3;
-+ gdb_regs[_R4] = kernel_regs->ARM_r4;
-+ gdb_regs[_R5] = kernel_regs->ARM_r5;
-+ gdb_regs[_R6] = kernel_regs->ARM_r6;
-+ gdb_regs[_R7] = kernel_regs->ARM_r7;
-+ gdb_regs[_R8] = kernel_regs->ARM_r8;
-+ gdb_regs[_R9] = kernel_regs->ARM_r9;
-+ gdb_regs[_R10] = kernel_regs->ARM_r10;
-+ gdb_regs[_FP] = kernel_regs->ARM_fp;
-+ gdb_regs[_IP] = kernel_regs->ARM_ip;
-+ gdb_regs[_SP] = kernel_regs->ARM_sp;
-+ gdb_regs[_LR] = kernel_regs->ARM_lr;
-+ gdb_regs[_PC] = kernel_regs->ARM_pc;
-+ gdb_regs[_CPSR] = kernel_regs->ARM_cpsr;
-+}
-+
-+/* Copy local gdb registers back to kgdb regs, for later copy to kernel */
-+void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *kernel_regs)
-+{
-+ kernel_regs->ARM_r0 = gdb_regs[_R0];
-+ kernel_regs->ARM_r1 = gdb_regs[_R1];
-+ kernel_regs->ARM_r2 = gdb_regs[_R2];
-+ kernel_regs->ARM_r3 = gdb_regs[_R3];
-+ kernel_regs->ARM_r4 = gdb_regs[_R4];
-+ kernel_regs->ARM_r5 = gdb_regs[_R5];
-+ kernel_regs->ARM_r6 = gdb_regs[_R6];
-+ kernel_regs->ARM_r7 = gdb_regs[_R7];
-+ kernel_regs->ARM_r8 = gdb_regs[_R8];
-+ kernel_regs->ARM_r9 = gdb_regs[_R9];
-+ kernel_regs->ARM_r10 = gdb_regs[_R10];
-+ kernel_regs->ARM_fp = gdb_regs[_FP];
-+ kernel_regs->ARM_ip = gdb_regs[_IP];
-+ kernel_regs->ARM_sp = gdb_regs[_SP];
-+ kernel_regs->ARM_lr = gdb_regs[_LR];
-+ kernel_regs->ARM_pc = gdb_regs[_PC];
-+ kernel_regs->ARM_cpsr = gdb_regs[GDB_MAX_REGS - 1];
-+}
-+
-+static inline struct pt_regs *kgdb_get_user_regs(struct task_struct *task)
-+{
-+ return (struct pt_regs *)
-+ ((unsigned long)task->thread_info + THREAD_SIZE -
-+ 8 - sizeof(struct pt_regs));
-+}
-+
-+void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs,
-+ struct task_struct *task)
-+{
-+ int regno;
-+ struct pt_regs *thread_regs;
-+
-+ /* Just making sure... */
-+ if (task == NULL)
-+ return;
-+
-+ /* Initialize to zero */
-+ for (regno = 0; regno < GDB_MAX_REGS; regno++)
-+ gdb_regs[regno] = 0;
-+
-+ /* Otherwise, we have only some registers from switch_to() */
-+ thread_regs = kgdb_get_user_regs(task);
-+ gdb_regs[_R0] = thread_regs->ARM_r0; /* Not really valid? */
-+ gdb_regs[_R1] = thread_regs->ARM_r1; /* " " */
-+ gdb_regs[_R2] = thread_regs->ARM_r2; /* " " */
-+ gdb_regs[_R3] = thread_regs->ARM_r3; /* " " */
-+ gdb_regs[_R4] = thread_regs->ARM_r4;
-+ gdb_regs[_R5] = thread_regs->ARM_r5;
-+ gdb_regs[_R6] = thread_regs->ARM_r6;
-+ gdb_regs[_R7] = thread_regs->ARM_r7;
-+ gdb_regs[_R8] = thread_regs->ARM_r8;
-+ gdb_regs[_R9] = thread_regs->ARM_r9;
-+ gdb_regs[_R10] = thread_regs->ARM_r10;
-+ gdb_regs[_FP] = thread_regs->ARM_fp;
-+ gdb_regs[_IP] = thread_regs->ARM_ip;
-+ gdb_regs[_SP] = thread_regs->ARM_sp;
-+ gdb_regs[_LR] = thread_regs->ARM_lr;
-+ gdb_regs[_PC] = thread_regs->ARM_pc;
-+ gdb_regs[_CPSR] = thread_regs->ARM_cpsr;
-+}
-+
-+static int compiled_break;
-+
-+int kgdb_arch_handle_exception(int exception_vector, int signo,
-+ int err_code, char *remcom_in_buffer,
-+ char *remcom_out_buffer,
-+ struct pt_regs *linux_regs)
-+{
-+ long addr;
-+ char *ptr;
-+
-+ switch (remcom_in_buffer[0]) {
-+ case 'c':
-+ kgdb_contthread = NULL;
-+
-+ /*
-+ * Try to read optional parameter, pc unchanged if no parm.
-+ * If this was a compiled breakpoint, we need to move
-+ * to the next instruction or we will just breakpoint
-+ * over and over again.
-+ */
-+ ptr = &remcom_in_buffer[1];
-+ if (kgdb_hex2long(&ptr, &addr)) {
-+ linux_regs->ARM_pc = addr;
-+ } else if (compiled_break == 1) {
-+ linux_regs->ARM_pc += 4;
-+ }
-+
-+ compiled_break = 0;
-+
-+ return 0;
-+ }
-+
-+ return -1;
-+}
-+
-+static int kgdb_brk_fn(struct pt_regs *regs, unsigned int instr)
-+{
-+ kgdb_handle_exception(1, SIGTRAP, 0, regs);
-+
-+ return 0;
-+}
-+
-+static int kgdb_compiled_brk_fn(struct pt_regs *regs, unsigned int instr)
-+{
-+ compiled_break = 1;
-+ kgdb_handle_exception(1, SIGTRAP, 0, regs);
-+
-+ return 0;
-+}
-+
-+static struct undef_hook kgdb_brkpt_hook = {
-+ .instr_mask = 0xffffffff,
-+ .instr_val = KGDB_BREAKINST,
-+ .fn = kgdb_brk_fn
-+};
-+
-+static struct undef_hook kgdb_compiled_brkpt_hook = {
-+ .instr_mask = 0xffffffff,
-+ .instr_val = KGDB_COMPILED_BREAK,
-+ .fn = kgdb_compiled_brk_fn
-+};
-+
-+/*
-+ * Register our undef instruction hooks with ARM undef core.
-+ * We regsiter a hook specifically looking for the KGB break inst
-+ * and we handle the normal undef case within the do_undefinstr
-+ * handler.
-+ */
-+int kgdb_arch_init(void)
-+{
-+ register_undef_hook(&kgdb_brkpt_hook);
-+ register_undef_hook(&kgdb_compiled_brkpt_hook);
-+
-+ return 0;
-+}
-+
-+struct kgdb_arch arch_kgdb_ops = {
-+#ifndef __ARMEB__
-+ .gdb_bpt_instr = {0xfe, 0xde, 0xff, 0xe7}
-+#else
-+ .gdb_bpt_instr = {0xe7, 0xff, 0xde, 0xfe}
-+#endif
-+};
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/kernel/setup.c linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/setup.c
---- linux-2.6.18-53.1.14/arch/arm/kernel/setup.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/setup.c 2008-06-10 15:38:56.000000000 +0400
-@@ -829,6 +829,11 @@ void __init setup_arch(char **cmdline_p)
- conswitchp = &dummy_con;
- #endif
- #endif
-+
-+#if defined(CONFIG_KGDB)
-+ extern void __init early_trap_init(void);
-+ early_trap_init();
-+#endif
- }
-
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/kernel/traps.c linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/traps.c
---- linux-2.6.18-53.1.14/arch/arm/kernel/traps.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/kernel/traps.c 2008-06-10 15:38:56.000000000 +0400
-@@ -278,6 +278,7 @@ asmlinkage void do_undefinstr(struct pt_
- unsigned int instr;
- struct undef_hook *hook;
- siginfo_t info;
-+ mm_segment_t fs;
- void __user *pc;
-
- /*
-@@ -287,12 +288,15 @@ asmlinkage void do_undefinstr(struct pt_
- */
- regs->ARM_pc -= correction;
-
-+ fs = get_fs();
-+ set_fs(KERNEL_DS);
- pc = (void __user *)instruction_pointer(regs);
- if (thumb_mode(regs)) {
- get_user(instr, (u16 __user *)pc);
- } else {
- get_user(instr, (u32 __user *)pc);
- }
-+ set_fs(fs);
-
- spin_lock_irq(&undef_lock);
- list_for_each_entry(hook, &undef_hook, node) {
-@@ -684,6 +688,13 @@ EXPORT_SYMBOL(abort);
-
- void __init trap_init(void)
- {
-+#if defined(CONFIG_KGDB)
-+ return;
-+}
-+
-+void __init early_trap_init(void)
-+{
-+#endif
- unsigned long vectors = CONFIG_VECTORS_BASE;
- extern char __stubs_start[], __stubs_end[];
- extern char __vectors_start[], __vectors_end[];
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/mach-ixp2000/core.c linux-2.6.18-53.1.14.kgdb/arch/arm/mach-ixp2000/core.c
---- linux-2.6.18-53.1.14/arch/arm/mach-ixp2000/core.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/mach-ixp2000/core.c 2008-06-10 15:38:56.000000000 +0400
-@@ -34,6 +34,7 @@
- #include <asm/system.h>
- #include <asm/tlbflush.h>
- #include <asm/pgtable.h>
-+#include <asm/kgdb.h>
-
- #include <asm/mach/map.h>
- #include <asm/mach/time.h>
-@@ -184,6 +185,9 @@ static struct platform_device ixp2000_se
- void __init ixp2000_uart_init(void)
- {
- platform_device_register(&ixp2000_serial_device);
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &ixp2000_serial_port);
-+#endif
- }
-
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/mach-ixp2000/ixdp2x01.c linux-2.6.18-53.1.14.kgdb/arch/arm/mach-ixp2000/ixdp2x01.c
---- linux-2.6.18-53.1.14/arch/arm/mach-ixp2000/ixdp2x01.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/mach-ixp2000/ixdp2x01.c 2008-06-10 15:38:56.000000000 +0400
-@@ -38,6 +38,7 @@
- #include <asm/system.h>
- #include <asm/hardware.h>
- #include <asm/mach-types.h>
-+#include <asm/kgdb.h>
-
- #include <asm/mach/pci.h>
- #include <asm/mach/map.h>
-@@ -413,6 +414,11 @@ static void __init ixdp2x01_init_machine
- platform_add_devices(ixdp2x01_devices, ARRAY_SIZE(ixdp2x01_devices));
- ixp2000_uart_init();
- ixdp2x01_uart_init();
-+
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &ixdp425_serial_ports[0]);
-+ kgdb8250_add_port(1, &ixdp425_serial_ports[1]);
-+#endif
- }
-
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/mach-ixp4xx/coyote-setup.c linux-2.6.18-53.1.14.kgdb/arch/arm/mach-ixp4xx/coyote-setup.c
---- linux-2.6.18-53.1.14/arch/arm/mach-ixp4xx/coyote-setup.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/mach-ixp4xx/coyote-setup.c 2008-06-10 15:38:56.000000000 +0400
-@@ -96,6 +96,10 @@ static void __init coyote_init(void)
- }
-
- platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
-+
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &coyote_serial_port);
-+#endif
- }
-
- #ifdef CONFIG_ARCH_ADI_COYOTE
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/mach-ixp4xx/ixdp425-setup.c linux-2.6.18-53.1.14.kgdb/arch/arm/mach-ixp4xx/ixdp425-setup.c
---- linux-2.6.18-53.1.14/arch/arm/mach-ixp4xx/ixdp425-setup.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/mach-ixp4xx/ixdp425-setup.c 2008-06-10 15:38:56.000000000 +0400
-@@ -24,6 +24,7 @@
- #include <asm/irq.h>
- #include <asm/mach/arch.h>
- #include <asm/mach/flash.h>
-+#include <asm/kgdb.h>
-
- static struct flash_platform_data ixdp425_flash_data = {
- .map_name = "cfi_probe",
-@@ -76,7 +77,8 @@ static struct plat_serial8250_port ixdp4
- .mapbase = IXP4XX_UART1_BASE_PHYS,
- .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
- .irq = IRQ_IXP4XX_UART1,
-- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
-+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
-+ UPF_SHARE_IRQ,
- .iotype = UPIO_MEM,
- .regshift = 2,
- .uartclk = IXP4XX_UART_XTAL,
-@@ -85,7 +87,8 @@ static struct plat_serial8250_port ixdp4
- .mapbase = IXP4XX_UART2_BASE_PHYS,
- .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
- .irq = IRQ_IXP4XX_UART2,
-- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
-+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
-+ UPF_SHARE_IRQ,
- .iotype = UPIO_MEM,
- .regshift = 2,
- .uartclk = IXP4XX_UART_XTAL,
-@@ -116,6 +119,11 @@ static void __init ixdp425_init(void)
- IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
-
- platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
-+
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &ixdp425_serial_ports[0]);
-+ kgdb8250_add_port(1, &ixdp425_serial_ports[1]);
-+#endif
- }
-
- #ifdef CONFIG_ARCH_IXDP425
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/mach-omap1/serial.c linux-2.6.18-53.1.14.kgdb/arch/arm/mach-omap1/serial.c
---- linux-2.6.18-53.1.14/arch/arm/mach-omap1/serial.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/mach-omap1/serial.c 2008-06-10 15:38:56.000000000 +0400
-@@ -15,6 +15,7 @@
- #include <linux/delay.h>
- #include <linux/serial.h>
- #include <linux/tty.h>
-+#include <linux/kgdb.h>
- #include <linux/serial_8250.h>
- #include <linux/serial_reg.h>
- #include <linux/clk.h>
-@@ -199,6 +200,9 @@ void __init omap_serial_init(void)
- break;
- }
- omap_serial_reset(&serial_platform_data[i]);
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_platform_port(i, &serial_platform_data[i]);
-+#endif
- }
- }
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/mach-pxa/Makefile linux-2.6.18-53.1.14.kgdb/arch/arm/mach-pxa/Makefile
---- linux-2.6.18-53.1.14/arch/arm/mach-pxa/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/mach-pxa/Makefile 2008-06-10 15:38:56.000000000 +0400
-@@ -31,6 +31,7 @@ obj-$(CONFIG_LEDS) += $(led-y)
- # Misc features
- obj-$(CONFIG_PM) += pm.o sleep.o
- obj-$(CONFIG_PXA_SSP) += ssp.o
-+obj-$(CONFIG_KGDB_PXA_SERIAL) += kgdb-serial.o
-
- ifeq ($(CONFIG_PXA27x),y)
- obj-$(CONFIG_PM) += standby.o
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/mach-pxa/kgdb-serial.c linux-2.6.18-53.1.14.kgdb/arch/arm/mach-pxa/kgdb-serial.c
---- linux-2.6.18-53.1.14/arch/arm/mach-pxa/kgdb-serial.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/mach-pxa/kgdb-serial.c 2008-06-10 15:38:56.000000000 +0400
-@@ -0,0 +1,98 @@
-+/*
-+ * linux/arch/arm/mach-pxa/kgdb-serial.c
-+ *
-+ * Provides low level kgdb serial support hooks for PXA2xx boards
-+ *
-+ * Author: Nicolas Pitre
-+ * Copyright: (C) 2002-2005 MontaVista Software Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#include <linux/config.h>
-+#include <linux/serial_reg.h>
-+#include <linux/kgdb.h>
-+#include <asm/processor.h>
-+#include <asm/hardware.h>
-+#include <asm/arch/pxa-regs.h>
-+
-+#if defined(CONFIG_KGDB_PXA_FFUART)
-+
-+#define UART FFUART
-+#define CKEN_UART CKEN6_FFUART
-+#define GPIO_RX_MD GPIO34_FFRXD_MD
-+#define GPIO_TX_MD GPIO39_FFTXD_MD
-+
-+#elif defined(CONFIG_KGDB_PXA_BTUART)
-+
-+#define UART BTUART
-+#define CKEN_UART CKEN7_BTUART
-+#define GPIO_RX_MD GPIO42_BTRXD_MD
-+#define GPIO_TX_MD GPIO43_BTTXD_MD
-+
-+#elif defined(CONFIG_KGDB_PXA_STUART)
-+
-+#define UART STUART
-+#define CKEN_UART CKEN5_STUART
-+#define GPIO_RX_MD GPIO46_STRXD_MD
-+#define GPIO_TX_MD GPIO47_STTXD_MD
-+
-+#endif
-+
-+#define UART_BAUDRATE (CONFIG_KGDB_BAUDRATE)
-+
-+static volatile unsigned long *port = (unsigned long *)&UART;
-+
-+static int kgdb_serial_init(void)
-+{
-+ pxa_set_cken(CKEN_UART, 1);
-+ pxa_gpio_mode(GPIO_RX_MD);
-+ pxa_gpio_mode(GPIO_TX_MD);
-+
-+ port[UART_IER] = 0;
-+ port[UART_LCR] = LCR_DLAB;
-+ port[UART_DLL] = ((921600 / UART_BAUDRATE) & 0xff);
-+ port[UART_DLM] = ((921600 / UART_BAUDRATE) >> 8);
-+ port[UART_LCR] = LCR_WLS1 | LCR_WLS0;
-+ port[UART_MCR] = 0;
-+ port[UART_IER] = IER_UUE;
-+ port[UART_FCR] = FCR_ITL_16;
-+
-+ return 0;
-+}
-+
-+static void kgdb_serial_putchar(int c)
-+{
-+ if (!(CKEN & CKEN_UART) || port[UART_IER] != IER_UUE)
-+ kgdb_serial_init();
-+ while (!(port[UART_LSR] & LSR_TDRQ))
-+ cpu_relax();
-+ port[UART_TX] = c;
-+}
-+
-+static void kgdb_serial_flush(void)
-+{
-+ if ((CKEN & CKEN_UART) && (port[UART_IER] & IER_UUE))
-+ while (!(port[UART_LSR] & LSR_TEMT))
-+ cpu_relax();
-+}
-+
-+static int kgdb_serial_getchar(void)
-+{
-+ unsigned char c;
-+ if (!(CKEN & CKEN_UART) || port[UART_IER] != IER_UUE)
-+ kgdb_serial_init();
-+ while (!(port[UART_LSR] & UART_LSR_DR))
-+ cpu_relax();
-+ c = port[UART_RX];
-+ return c;
-+}
-+
-+struct kgdb_io kgdb_io_ops = {
-+ .init = kgdb_serial_init,
-+ .write_char = kgdb_serial_putchar,
-+ .flush = kgdb_serial_flush,
-+ .read_char = kgdb_serial_getchar,
-+};
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/mach-versatile/kgdb_serial.c linux-2.6.18-53.1.14.kgdb/arch/arm/mach-versatile/kgdb_serial.c
---- linux-2.6.18-53.1.14/arch/arm/mach-versatile/kgdb_serial.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/mach-versatile/kgdb_serial.c 2008-06-10 15:38:56.000000000 +0400
-@@ -0,0 +1,121 @@
-+/*
-+ * arch/arm/mach-versatile/kgdb_serial.c
-+ *
-+ * Author: Manish Lachwani, mlachwani@mvista.com
-+ *
-+ * 2005 (c) MontaVista Software, Inc. This file is licensed under
-+ * the terms of the GNU General Public License version 2. This program
-+ * is licensed "as is" without any warranty of any kind, whether express
-+ * or implied.
-+ *
-+ * Support for KGDB on ARM Versatile.
-+ */
-+#include <linux/config.h>
-+#include <linux/serial_reg.h>
-+#include <linux/kgdb.h>
-+#include <asm/io.h>
-+#include <asm/processor.h>
-+#include <asm/hardware.h>
-+#include <asm/hardware/amba_serial.h>
-+#include <asm/arch-versatile/hardware.h>
-+
-+#define ARM_BAUD_38400 23
-+/*
-+ * Functions that will be used later
-+ */
-+#define UART_GET_INT_STATUS(p) readb((p) + UART010_IIR)
-+#define UART_GET_MIS(p) readw((p) + UART011_MIS)
-+#define UART_PUT_ICR(p, c) writel((c), (p) + UART010_ICR)
-+#define UART_GET_FR(p) readb((p) + UART01x_FR)
-+#define UART_GET_CHAR(p) readb((p) + UART01x_DR)
-+#define UART_PUT_CHAR(p, c) writel((c), (p) + UART01x_DR)
-+#define UART_GET_RSR(p) readb((p) + UART01x_RSR)
-+#define UART_GET_CR(p) readb((p) + UART010_CR)
-+#define UART_PUT_CR(p,c) writel((c), (p) + UART010_CR)
-+#define UART_GET_LCRL(p) readb((p) + UART010_LCRL)
-+#define UART_PUT_LCRL(p,c) writel((c), (p) + UART010_LCRL)
-+#define UART_GET_LCRM(p) readb((p) + UART010_LCRM)
-+#define UART_PUT_LCRM(p,c) writel((c), (p) + UART010_LCRM)
-+#define UART_GET_LCRH(p) readb((p) + UART010_LCRH)
-+#define UART_PUT_LCRH(p,c) writel((c), (p) + UART010_LCRH)
-+#define UART_RX_DATA(s) (((s) & UART01x_FR_RXFE) == 0)
-+#define UART_TX_READY(s) (((s) & UART01x_FR_TXFF) == 0)
-+#define UART_TX_EMPTY(p) ((UART_GET_FR(p) & UART01x_FR_TMSK) == 0)
-+
-+/*
-+ * KGDB IRQ
-+ */
-+static int kgdb_irq = 12;
-+static volatile unsigned char *port = NULL;
-+
-+static int kgdb_serial_init(void)
-+{
-+ int rate = ARM_BAUD_38400;
-+
-+ port = IO_ADDRESS(0x101F1000);
-+ UART_PUT_CR(port, 0);
-+
-+ /* Set baud rate */
-+ UART_PUT_LCRM(port, ((rate & 0xf00) >> 8));
-+ UART_PUT_LCRL(port, (rate & 0xff));
-+ UART_PUT_LCRH(port, UART01x_LCRH_WLEN_8 | UART01x_LCRH_FEN);
-+ UART_PUT_CR(port, UART01x_CR_UARTEN);
-+
-+ return 0;
-+}
-+
-+static void kgdb_serial_putchar(int ch)
-+{
-+ unsigned int status;
-+
-+ do {
-+ status = UART_GET_FR(port);
-+ } while (!UART_TX_READY(status));
-+
-+ UART_PUT_CHAR(port, ch);
-+}
-+
-+static int kgdb_serial_getchar(void)
-+{
-+ unsigned int status;
-+ int ch;
-+
-+ do {
-+ status = UART_GET_FR(port);
-+ } while (!UART_RX_DATA(status));
-+ ch = UART_GET_CHAR(port);
-+ return ch;
-+}
-+
-+static struct uart_port kgdb_amba_port = {
-+ .irq = 12,
-+ .iobase = 0,
-+ .iotype = UPIO_MEM,
-+ .membase = (unsigned char *)IO_ADDRESS(0x101F1000),
-+};
-+
-+static irqreturn_t kgdb_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-+{
-+ int status = UART_GET_MIS(port);
-+
-+ if (irq != kgdb_irq)
-+ return IRQ_NONE;
-+
-+ if (status & 0x40)
-+ breakpoint();
-+
-+ return IRQ_HANDLED;
-+}
-+
-+static void __init kgdb_hookup_irq(void)
-+{
-+ request_irq(kgdb_irq, kgdb_interrupt, SA_SHIRQ, "GDB-stub",
-+ &kgdb_amba_port);
-+}
-+
-+struct kgdb_io kgdb_io_ops = {
-+ .init = kgdb_serial_init,
-+ .write_char = kgdb_serial_putchar,
-+ .read_char = kgdb_serial_getchar,
-+ .late_init = kgdb_hookup_irq,
-+};
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/arm/mm/extable.c linux-2.6.18-53.1.14.kgdb/arch/arm/mm/extable.c
---- linux-2.6.18-53.1.14/arch/arm/mm/extable.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/arm/mm/extable.c 2008-06-10 15:38:56.000000000 +0400
-@@ -2,6 +2,7 @@
- * linux/arch/arm/mm/extable.c
- */
- #include <linux/module.h>
-+#include <linux/kgdb.h>
- #include <asm/uaccess.h>
-
- int fixup_exception(struct pt_regs *regs)
-@@ -11,6 +12,12 @@ int fixup_exception(struct pt_regs *regs
- fixup = search_exception_tables(instruction_pointer(regs));
- if (fixup)
- regs->ARM_pc = fixup->fixup;
-+#ifdef CONFIG_KGDB
-+ if (atomic_read(&debugger_active) && kgdb_may_fault)
-+ /* Restore our previous state. */
-+ kgdb_fault_longjmp(kgdb_fault_jmp_regs);
-+ /* Not reached. */
-+#endif
-
- return fixup != NULL;
- }
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/i386/kernel/Makefile linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/Makefile
---- linux-2.6.18-53.1.14/arch/i386/kernel/Makefile 2008-03-06 05:54:14.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/Makefile 2008-06-10 15:38:03.000000000 +0400
-@@ -39,6 +39,7 @@ obj-$(CONFIG_VM86) += vm86.o
- obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
- obj-$(CONFIG_HPET_TIMER) += hpet.o
- obj-$(CONFIG_K8_NB) += k8.o
-+obj-$(CONFIG_KGDB) += kgdb.o kgdb-jmp.o
-
- EXTRA_AFLAGS := -traditional
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/i386/kernel/entry.S linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/entry.S
---- linux-2.6.18-53.1.14/arch/i386/kernel/entry.S 2008-03-06 05:55:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/entry.S 2008-06-10 15:39:01.000000000 +0400
-@@ -201,7 +201,7 @@ VM_MASK = 0x00020000
- CFI_OFFSET ecx, ECX-OLDESP;\
- CFI_OFFSET ebx, EBX-OLDESP
-
--ENTRY(ret_from_fork)
-+KPROBE_ENTRY(ret_from_fork)
- CFI_STARTPROC
- pushl %eax
- CFI_ADJUST_CFA_OFFSET 4
-@@ -659,7 +659,7 @@ ENTRY(simd_coprocessor_error)
- jmp error_code
- CFI_ENDPROC
-
--ENTRY(device_not_available)
-+KPROBE_ENTRY(device_not_available)
- RING0_INT_FRAME
- pushl $-1 # mark this as an int
- CFI_ADJUST_CFA_OFFSET 4
-@@ -916,7 +916,7 @@ ENTRY(machine_check)
- CFI_ENDPROC
- #endif
-
--ENTRY(spurious_interrupt_bug)
-+KPROBE_ENTRY(spurious_interrupt_bug)
- RING0_INT_FRAME
- pushl $0
- CFI_ADJUST_CFA_OFFSET 4
-@@ -942,3 +942,108 @@ ENDPROC(kernel_thread_helper)
- #include "syscall_table.S"
-
- syscall_table_size=(.-sys_call_table)
-+
-+# Here we do call frames. We cheat a bit as we only really need
-+# correct frames at locations we can actually look at from a
-+# debugger. Since the break instruction trap actually goes thru
-+# some of this code, we don't really need info on those areas, but
-+# only after the fact. I.e. if we can not step or break in a
-+# location or end up with a return address pointing at the
-+# location, we don't need a correct call frame for it.
-+
-+#ifdef CONFIG_KGDB
-+
-+#include <linux/dwarf2-lang.h>
-+/*
-+ * The register numbers as known by gdb
-+ */
-+
-+#define _EAX 0
-+#define _ECX 1
-+#define _EDX 2
-+#define _EBX 3
-+#define _ESP 4
-+#define _EBP 5
-+#define _ESI 6
-+#define _EDI 7
-+#define _PC 8
-+#define _EIP 8
-+#define _PS 9
-+#define _EFLAGS 9
-+#define _CS 10
-+#define _SS 11
-+#define _DS 12
-+#define _ES 13
-+#define _FS 14
-+#define _GS 15
-+ /*
-+ * This code uses macros defined in linux/dwarf2-lang.h
-+ * They attempt to follow the dwarf2 naming conventions... sort of..
-+ */
-+ENTRY(end_of_stack_stop_unwind_function)
-+ .long end_of_stack_stop_unwind_function+1
-+
-+ .text
-+
-+ CFI_preamble(c1,_PC,1,1)
-+ CFA_define_reference(_ESP,OLDESP) /* Stack pointer */
-+ CFA_expression(_EIP)
-+ CFA_exp_OP_dup /* copy old esp */
-+ CFA_exp_OP_consts(CS-OLDESP) /* offset to CS address */
-+ CFA_exp_OP_plus /* should be CS address */
-+ CFA_exp_OP_deref /* get the CS */
-+ CFA_exp_OP_const4s(VM_MASK|3) /* prepare to mask it */
-+ CFA_exp_OP_and /* mask it, zero means kernel */
-+ CFA_exp_OP_bra(eip_user_rtn) /* branch if user */
-+ CFA_exp_OP_const4s(EIP-OLDESP) /* offset to return address */
-+ CFA_exp_OP_plus /* add that in */
-+ CFA_exp_OP_skip(eip_end) /* done if kernel, skip out */
-+eip_user_rtn:
-+ CFA_exp_OP_addr(end_of_stack_stop_unwind_function)/*dummy function */
-+eip_end:
-+ CFA_expression_end
-+ CFA_define_offset(_EBX,EBX-OLDESP)
-+ CFA_define_offset(_ECX,ECX-OLDESP)
-+ CFA_define_offset(_EDX,EDX-OLDESP)
-+ CFA_define_offset(_ESI,ESI-OLDESP)
-+ CFA_define_offset(_EDI,EDI-OLDESP)
-+ CFA_define_offset(_EBP,EBP-OLDESP)
-+ CFA_define_offset(_EAX,EAX-OLDESP)
-+ CFA_define_offset(_EFLAGS,EFLAGS-OLDESP)
-+ CFI_postamble()
-+
-+/*
-+ * This provides an uwind for our dummy end of unwind function.
-+ * Current convention is to provied an undefined return address.
-+ */
-+ CFI_preamble(c2,_PC,1,1)
-+ CFA_define_reference(_ESP,0) /* Stack pointer */
-+ CFA_undefine_reg(_EIP)
-+ CFI_postamble()
-+
-+ FDE_preamble(c2,end_of_stack_stop_unwind_function, \
-+ end_of_stack_stop_unwind_function+5)
-+ FDE_postamble()
-+ /*
-+ * This is VERY sloppy. At this point all we want to do is get
-+ * the frame right for back tracing. It will not be good if
-+ * you try to single step. We use already defined labels.
-+ * We want to cover all call outs.
-+ * We could also recode this as just one FDE, but this works and
-+ * I want to get it out.
-+ */
-+ FDE_preamble(c1,ret_from_fork,ret_from_exception)
-+ CFA_define_cfa_offset(4) /* one extra word on stack */
-+ FDE_postamble()
-+
-+ FDE_preamble(c1,ret_from_exception,device_not_available_emulate)
-+ FDE_postamble()
-+
-+ FDE_preamble(c1,device_not_available_emulate,debug)
-+ CFA_define_cfa_offset(4) /* one extra word on stack */
-+ FDE_postamble()
-+
-+ FDE_preamble(c1, debug,spurious_interrupt_bug)
-+ FDE_postamble()
-+
-+#endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/i386/kernel/head.S linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/head.S
---- linux-2.6.18-53.1.14/arch/i386/kernel/head.S 2008-03-06 05:54:34.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/head.S 2008-06-10 15:39:01.000000000 +0400
-@@ -10,6 +10,7 @@
- .text
- #include <linux/threads.h>
- #include <linux/linkage.h>
-+#include <asm/kgdb.h>
- #include <asm/segment.h>
- #include <asm/page.h>
- #include <asm/pgtable.h>
-@@ -336,6 +337,10 @@ is386: movl $2,%ecx # set MP
- #endif /* CONFIG_SMP */
- jmp start_kernel
-
-+ /* This dwarf code tells gdb that this is the end of the unwind */
-+ /* This uses the CFA set up for pc=1 located in entry.S */
-+ CFI_END_FRAME(is386)
-+
- /*
- * We depend on ET to be correct. This checks for 287/387.
- */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/i386/kernel/kgdb-jmp.S linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/kgdb-jmp.S
---- linux-2.6.18-53.1.14/arch/i386/kernel/kgdb-jmp.S 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/kgdb-jmp.S 2008-06-10 15:38:03.000000000 +0400
-@@ -0,0 +1,74 @@
-+/*
-+ * arch/i386/kernel/kgdb-jmp.S
-+ *
-+ * Save and restore system registers so that within a limited frame we
-+ * may have a fault and "jump back" to a known safe location.
-+ *
-+ * Author: George Anzinger <george@mvista.com>
-+ *
-+ * Cribbed from glibc, which carries the following:
-+ * Copyright (C) 1996, 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
-+ * Copyright (C) 2005 by MontaVista Software.
-+ *
-+ * This file is licensed under the terms of the GNU General Public License
-+ * version 2. This program as licensed "as is" without any warranty of
-+ * any kind, whether express or implied.
-+ */
-+
-+#include <linux/linkage.h>
-+
-+#define PCOFF 0
-+#define LINKAGE 4 /* just the return address */
-+#define PTR_SIZE 4
-+#define PARMS LINKAGE /* no space for saved regs */
-+#define JMPBUF PARMS
-+#define VAL JMPBUF+PTR_SIZE
-+
-+#define JB_BX 0
-+#define JB_SI 1
-+#define JB_DI 2
-+#define JB_BP 3
-+#define JB_SP 4
-+#define JB_PC 5
-+
-+/* This must be called prior to kgdb_fault_longjmp and
-+ * kgdb_fault_longjmp must not be called outside of the context of the
-+ * last call to kgdb_fault_setjmp.
-+ * kgdb_fault_setjmp(int *jmp_buf[6])
-+ */
-+ENTRY(kgdb_fault_setjmp)
-+ movl JMPBUF(%esp), %eax
-+
-+ /* Save registers. */
-+ movl %ebx, (JB_BX*4)(%eax)
-+ movl %esi, (JB_SI*4)(%eax)
-+ movl %edi, (JB_DI*4)(%eax)
-+ /* Save SP as it will be after we return. */
-+ leal JMPBUF(%esp), %ecx
-+ movl %ecx, (JB_SP*4)(%eax)
-+ movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */
-+ movl %ecx, (JB_PC*4)(%eax)
-+ movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer. */
-+
-+ /* Restore state so we can now try the access. */
-+ movl JMPBUF(%esp), %ecx /* User's jmp_buf in %ecx. */
-+ /* Save the return address now. */
-+ movl (JB_PC*4)(%ecx), %edx
-+ /* Restore registers. */
-+ movl $0, %eax
-+ movl (JB_SP*4)(%ecx), %esp
-+ jmp *%edx /* Jump to saved PC. */
-+
-+/* kgdb_fault_longjmp(int *jmp_buf[6]) */
-+ENTRY(kgdb_fault_longjmp)
-+ movl JMPBUF(%esp), %ecx /* User's jmp_buf in %ecx. */
-+ /* Save the return address now. */
-+ movl (JB_PC*4)(%ecx), %edx
-+ /* Restore registers. */
-+ movl (JB_BX*4)(%ecx), %ebx
-+ movl (JB_SI*4)(%ecx), %esi
-+ movl (JB_DI*4)(%ecx), %edi
-+ movl (JB_BP*4)(%ecx), %ebp
-+ movl $1, %eax
-+ movl (JB_SP*4)(%ecx), %esp
-+ jmp *%edx /* Jump to saved PC. */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/i386/kernel/kgdb.c linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/kgdb.c
---- linux-2.6.18-53.1.14/arch/i386/kernel/kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/kgdb.c 2008-06-10 15:39:27.000000000 +0400
-@@ -0,0 +1,363 @@
-+/*
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2, or (at your option) any
-+ * later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ */
-+
-+/*
-+ * Copyright (C) 2000-2001 VERITAS Software Corporation.
-+ */
-+/*
-+ * Contributor: Lake Stevens Instrument Division$
-+ * Written by: Glenn Engel $
-+ * Updated by: Amit Kale<akale@veritas.com>
-+ * Updated by: Tom Rini <trini@kernel.crashing.org>
-+ * Modified for 386 by Jim Kingdon, Cygnus Support.
-+ * Origianl kgdb, compatibility with 2.1.xx kernel by
-+ * David Grothe <dave@gcom.com>
-+ * Additional support from Tigran Aivazian <tigran@sco.com>
-+ */
-+
-+#include <linux/string.h>
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/smp.h>
-+#include <linux/spinlock.h>
-+#include <linux/delay.h>
-+#include <asm/vm86.h>
-+#include <asm/system.h>
-+#include <asm/ptrace.h> /* for linux pt_regs struct */
-+#include <linux/kgdb.h>
-+#include <linux/init.h>
-+#include <asm/apicdef.h>
-+#include <asm/desc.h>
-+#include <asm/kdebug.h>
-+
-+#include "mach_ipi.h"
-+
-+/* Put the error code here just in case the user cares. */
-+int gdb_i386errcode;
-+/* Likewise, the vector number here (since GDB only gets the signal
-+ number through the usual means, and that's not very specific). */
-+int gdb_i386vector = -1;
-+
-+extern atomic_t cpu_doing_single_step;
-+
-+void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+ gdb_regs[_EAX] = regs->eax;
-+ gdb_regs[_EBX] = regs->ebx;
-+ gdb_regs[_ECX] = regs->ecx;
-+ gdb_regs[_EDX] = regs->edx;
-+ gdb_regs[_ESI] = regs->esi;
-+ gdb_regs[_EDI] = regs->edi;
-+ gdb_regs[_EBP] = regs->ebp;
-+ gdb_regs[_DS] = regs->xds;
-+ gdb_regs[_ES] = regs->xes;
-+ gdb_regs[_PS] = regs->eflags;
-+ gdb_regs[_CS] = regs->xcs;
-+ gdb_regs[_PC] = regs->eip;
-+ gdb_regs[_ESP] = (int)(®s->esp);
-+ gdb_regs[_SS] = __KERNEL_DS;
-+ gdb_regs[_FS] = 0xFFFF;
-+ gdb_regs[_GS] = 0xFFFF;
-+}
-+
-+/*
-+ * Extracts ebp, esp and eip values understandable by gdb from the values
-+ * saved by switch_to.
-+ * thread.esp points to ebp. flags and ebp are pushed in switch_to hence esp
-+ * prior to entering switch_to is 8 greater then the value that is saved.
-+ * If switch_to changes, change following code appropriately.
-+ */
-+void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
-+{
-+ gdb_regs[_EAX] = 0;
-+ gdb_regs[_EBX] = 0;
-+ gdb_regs[_ECX] = 0;
-+ gdb_regs[_EDX] = 0;
-+ gdb_regs[_ESI] = 0;
-+ gdb_regs[_EDI] = 0;
-+ gdb_regs[_EBP] = *(unsigned long *)p->thread.esp;
-+ gdb_regs[_DS] = __KERNEL_DS;
-+ gdb_regs[_ES] = __KERNEL_DS;
-+ gdb_regs[_PS] = 0;
-+ gdb_regs[_CS] = __KERNEL_CS;
-+ gdb_regs[_PC] = p->thread.eip;
-+ gdb_regs[_ESP] = p->thread.esp;
-+ gdb_regs[_SS] = __KERNEL_DS;
-+ gdb_regs[_FS] = 0xFFFF;
-+ gdb_regs[_GS] = 0xFFFF;
-+}
-+
-+void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+ regs->eax = gdb_regs[_EAX];
-+ regs->ebx = gdb_regs[_EBX];
-+ regs->ecx = gdb_regs[_ECX];
-+ regs->edx = gdb_regs[_EDX];
-+ regs->esi = gdb_regs[_ESI];
-+ regs->edi = gdb_regs[_EDI];
-+ regs->ebp = gdb_regs[_EBP];
-+ regs->xds = gdb_regs[_DS];
-+ regs->xes = gdb_regs[_ES];
-+ regs->eflags = gdb_regs[_PS];
-+ regs->xcs = gdb_regs[_CS];
-+ regs->eip = gdb_regs[_PC];
-+}
-+
-+static struct hw_breakpoint {
-+ unsigned enabled;
-+ unsigned type;
-+ unsigned len;
-+ unsigned addr;
-+} breakinfo[4] = {
-+ { .enabled = 0 },
-+ { .enabled = 0 },
-+ { .enabled = 0 },
-+ { .enabled = 0 },
-+};
-+
-+void kgdb_correct_hw_break(void)
-+{
-+ int breakno;
-+ int correctit;
-+ int breakbit;
-+ unsigned dr7;
-+
-+ asm volatile ("movl %%db7, %0\n":"=r" (dr7)
-+ :);
-+ do {
-+ unsigned addr0, addr1, addr2, addr3;
-+ asm volatile ("movl %%db0, %0\n"
-+ "movl %%db1, %1\n"
-+ "movl %%db2, %2\n"
-+ "movl %%db3, %3\n":"=r" (addr0), "=r"(addr1),
-+ "=r"(addr2), "=r"(addr3):);
-+ } while (0);
-+ correctit = 0;
-+ for (breakno = 0; breakno < 3; breakno++) {
-+ breakbit = 2 << (breakno << 1);
-+ if (!(dr7 & breakbit) && breakinfo[breakno].enabled) {
-+ correctit = 1;
-+ dr7 |= breakbit;
-+ dr7 &= ~(0xf0000 << (breakno << 2));
-+ dr7 |= (((breakinfo[breakno].len << 2) |
-+ breakinfo[breakno].type) << 16) <<
-+ (breakno << 2);
-+ switch (breakno) {
-+ case 0:
-+ asm volatile ("movl %0, %%dr0\n"::"r"
-+ (breakinfo[breakno].addr));
-+ break;
-+
-+ case 1:
-+ asm volatile ("movl %0, %%dr1\n"::"r"
-+ (breakinfo[breakno].addr));
-+ break;
-+
-+ case 2:
-+ asm volatile ("movl %0, %%dr2\n"::"r"
-+ (breakinfo[breakno].addr));
-+ break;
-+
-+ case 3:
-+ asm volatile ("movl %0, %%dr3\n"::"r"
-+ (breakinfo[breakno].addr));
-+ break;
-+ }
-+ } else if ((dr7 & breakbit) && !breakinfo[breakno].enabled) {
-+ correctit = 1;
-+ dr7 &= ~breakbit;
-+ dr7 &= ~(0xf0000 << (breakno << 2));
-+ }
-+ }
-+ if (correctit)
-+ asm volatile ("movl %0, %%db7\n"::"r" (dr7));
-+}
-+
-+int kgdb_remove_hw_break(unsigned long addr)
-+{
-+ int i, idx = -1;
-+ for (i = 0; i < 4; i++) {
-+ if (breakinfo[i].addr == addr && breakinfo[i].enabled) {
-+ idx = i;
-+ break;
-+ }
-+ }
-+ if (idx == -1)
-+ return -1;
-+
-+ breakinfo[idx].enabled = 0;
-+ return 0;
-+}
-+
-+void kgdb_remove_all_hw_break(void)
-+{
-+ int i;
-+
-+ for (i = 0; i < 4; i++) {
-+ if (breakinfo[i].enabled) {
-+ /* Do what? */
-+ ;
-+ }
-+ memset(&breakinfo[i], 0, sizeof(struct hw_breakpoint));
-+ }
-+}
-+
-+int kgdb_set_hw_break(unsigned long addr)
-+{
-+ int i, idx = -1;
-+ for (i = 0; i < 4; i++) {
-+ if (!breakinfo[i].enabled) {
-+ idx = i;
-+ break;
-+ }
-+ }
-+ if (idx == -1)
-+ return -1;
-+
-+ breakinfo[idx].enabled = 1;
-+ breakinfo[idx].type = 1;
-+ breakinfo[idx].len = 1;
-+ breakinfo[idx].addr = addr;
-+ return 0;
-+}
-+
-+void kgdb_disable_hw_debug(struct pt_regs *regs)
-+{
-+ /* Disable hardware debugging while we are in kgdb */
-+ asm volatile ("movl %0,%%db7": /* no output */ :"r" (0));
-+}
-+
-+void kgdb_post_master_code(struct pt_regs *regs, int e_vector, int err_code)
-+{
-+ /* Master processor is completely in the debugger */
-+ gdb_i386vector = e_vector;
-+ gdb_i386errcode = err_code;
-+}
-+
-+void kgdb_roundup_cpus(unsigned long flags)
-+{
-+ send_IPI_allbutself(APIC_DM_NMI);
-+}
-+
-+int kgdb_arch_handle_exception(int e_vector, int signo,
-+ int err_code, char *remcom_in_buffer,
-+ char *remcom_out_buffer,
-+ struct pt_regs *linux_regs)
-+{
-+ long addr;
-+ char *ptr;
-+ int newPC, dr6;
-+
-+ switch (remcom_in_buffer[0]) {
-+ case 'c':
-+ case 's':
-+ /* try to read optional parameter, pc unchanged if no parm */
-+ ptr = &remcom_in_buffer[1];
-+ if (kgdb_hex2long(&ptr, &addr))
-+ linux_regs->eip = addr;
-+ newPC = linux_regs->eip;
-+
-+ /* clear the trace bit */
-+ linux_regs->eflags &= ~TF_MASK;
-+ atomic_set(&cpu_doing_single_step, -1);
-+
-+ /* set the trace bit if we're stepping */
-+ if (remcom_in_buffer[0] == 's') {
-+ linux_regs->eflags |= TF_MASK;
-+ debugger_step = 1;
-+ atomic_set(&cpu_doing_single_step,smp_processor_id());
-+ }
-+
-+ asm volatile ("movl %%db6, %0\n":"=r" (dr6));
-+ if (!(dr6 & 0x4000)) {
-+ long breakno;
-+ for (breakno = 0; breakno < 4; ++breakno) {
-+ if (dr6 & (1 << breakno) &&
-+ breakinfo[breakno].type == 0) {
-+ /* Set restore flag */
-+ linux_regs->eflags |= X86_EFLAGS_RF;
-+ break;
-+ }
-+ }
-+ }
-+ kgdb_correct_hw_break();
-+ asm volatile ("movl %0, %%db6\n"::"r" (0));
-+
-+ return (0);
-+ } /* switch */
-+ /* this means that we do not want to exit from the handler */
-+ return -1;
-+}
-+
-+/* Register KGDB with the i386die_chain so that we hook into all of the right
-+ * spots. */
-+static int kgdb_notify(struct notifier_block *self, unsigned long cmd,
-+ void *ptr)
-+{
-+ struct die_args *args = ptr;
-+ struct pt_regs *regs = args->regs;
-+
-+ /* Bad memory access? */
-+ if (cmd == DIE_PAGE_FAULT_NO_CONTEXT && atomic_read(&debugger_active)
-+ && kgdb_may_fault) {
-+ kgdb_fault_longjmp(kgdb_fault_jmp_regs);
-+ return NOTIFY_STOP;
-+ } else if (cmd == DIE_PAGE_FAULT)
-+ /* A normal page fault, ignore. */
-+ return NOTIFY_DONE;
-+ else if ((cmd == DIE_NMI || cmd == DIE_NMI_IPI ||
-+ cmd == DIE_NMIWATCHDOG) && atomic_read(&debugger_active)) {
-+ /* CPU roundup */
-+ kgdb_nmihook(smp_processor_id(), regs);
-+ return NOTIFY_STOP;
-+ } else if (cmd == DIE_NMI_IPI || cmd == DIE_NMI || user_mode(regs) ||
-+ (cmd == DIE_DEBUG && atomic_read(&debugger_active)))
-+ /* Normal watchdog event or userspace debugging, or spurious
-+ * debug exception, ignore. */
-+ return NOTIFY_DONE;
-+
-+ kgdb_handle_exception(args->trapnr, args->signr, args->err, regs);
-+
-+ return NOTIFY_STOP;
-+}
-+
-+static struct notifier_block kgdb_notifier = {
-+ .notifier_call = kgdb_notify,
-+};
-+
-+int kgdb_arch_init(void)
-+{
-+ atomic_notifier_chain_register(&i386die_chain, &kgdb_notifier);
-+ return 0;
-+}
-+
-+/*
-+ * Skip an int3 exception when it occurs after a breakpoint has been
-+ * removed. Backtrack eip by 1 since the int3 would have caused it to
-+ * increment by 1.
-+ */
-+
-+int kgdb_skipexception(int exception, struct pt_regs *regs)
-+{
-+ if (exception == 3 && kgdb_isremovedbreak(regs->eip - 1)) {
-+ regs->eip -= 1;
-+ return 1;
-+ }
-+ return 0;
-+}
-+
-+struct kgdb_arch arch_kgdb_ops = {
-+ .gdb_bpt_instr = {0xcc},
-+ .flags = KGDB_HW_BREAKPOINT,
-+};
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/i386/kernel/setup.c linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/setup.c
---- linux-2.6.18-53.1.14/arch/i386/kernel/setup.c 2008-03-06 05:54:58.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/setup.c 2008-06-10 15:38:03.000000000 +0400
-@@ -148,6 +148,7 @@ EXPORT_SYMBOL(ist_info);
- struct e820map e820;
-
- extern void early_cpu_init(void);
-+extern void early_trap_init(void);
- extern void generic_apic_probe(char *);
- extern int root_mountflags;
-
-@@ -1470,6 +1471,7 @@ void __init setup_arch(char **cmdline_p)
- memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
- pre_setup_arch_hook();
- early_cpu_init();
-+ early_trap_init();
-
- /*
- * FIXME: This isn't an official loader_type right
-@@ -1526,6 +1528,7 @@ void __init setup_arch(char **cmdline_p)
- data_resource.end = virt_to_phys(_edata)-1;
-
- parse_cmdline_early(cmdline_p);
-+ parse_early_param();
-
- #ifdef CONFIG_EARLY_PRINTK
- {
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/i386/kernel/smpboot.c linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/smpboot.c
---- linux-2.6.18-53.1.14/arch/i386/kernel/smpboot.c 2008-03-06 05:54:34.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/smpboot.c 2008-06-10 15:39:01.000000000 +0400
-@@ -592,6 +592,9 @@ void __devinit initialize_secondary(void
-
- asm volatile(
- "movl %0,%%esp\n\t"
-+#ifdef CONFIG_KGDB
-+ "pushl end_of_stack_stop_unwind_function\n\t"
-+#endif
- "jmp *%1"
- :
- :"r" (current->thread.esp),"r" (current->thread.eip));
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/i386/kernel/traps.c linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/traps.c
---- linux-2.6.18-53.1.14/arch/i386/kernel/traps.c 2008-03-06 05:55:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/i386/kernel/traps.c 2008-06-10 15:38:03.000000000 +0400
-@@ -964,6 +964,7 @@ fastcall void __kprobes do_debug(struct
- */
- clear_dr7:
- set_debugreg(0, 7);
-+ notify_die(DIE_DEBUG, "debug2", regs, condition, error_code, SIGTRAP);
- return;
-
- debug_vm86:
-@@ -1268,6 +1269,12 @@ static void __init set_task_gate(unsigne
- _set_gate(idt_table+n,5,0,0,(gdt_entry<<3));
- }
-
-+/* Some traps need to be set early. */
-+void __init early_trap_init(void) {
-+ set_intr_gate(1,&debug);
-+ set_system_intr_gate(3, &int3); /* int3 can be called from all */
-+ set_intr_gate(14,&page_fault);
-+}
-
- void __init trap_init(void)
- {
-@@ -1284,10 +1291,8 @@ void __init trap_init(void)
- #endif
-
- set_trap_gate(0,÷_error);
-- set_intr_gate(1,&debug);
- set_intr_gate(2,&nmi);
-- set_system_intr_gate(3, &int3); /* int3/4 can be called from all */
-- set_system_gate(4,&overflow);
-+ set_system_gate(4,&overflow); /* int4/5 can be called from all */
- set_trap_gate(5,&bounds);
- set_trap_gate(6,&invalid_op);
- set_trap_gate(7,&device_not_available);
-@@ -1297,7 +1302,6 @@ void __init trap_init(void)
- set_trap_gate(11,&segment_not_present);
- set_trap_gate(12,&stack_segment);
- set_trap_gate(13,&general_protection);
-- set_intr_gate(14,&page_fault);
- set_trap_gate(15,&spurious_interrupt_bug);
- set_trap_gate(16,&coprocessor_error);
- set_trap_gate(17,&alignment_check);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/i386/mm/fault.c linux-2.6.18-53.1.14.kgdb/arch/i386/mm/fault.c
---- linux-2.6.18-53.1.14/arch/i386/mm/fault.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/i386/mm/fault.c 2008-06-10 15:38:03.000000000 +0400
-@@ -539,6 +539,10 @@ no_context:
- if (is_prefetch(regs, address, error_code))
- return;
-
-+ if (notify_die(DIE_PAGE_FAULT_NO_CONTEXT, "no context", regs,
-+ error_code, 14, SIGSEGV) == NOTIFY_STOP)
-+ return;
-+
- /*
- * Oops. The kernel tried to access some bad page. We'll have to
- * terminate things with extreme prejudice.
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/kernel/Makefile linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/Makefile
---- linux-2.6.18-53.1.14/arch/ia64/kernel/Makefile 2008-03-06 05:54:11.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/Makefile 2008-06-10 15:38:32.000000000 +0400
-@@ -32,6 +32,7 @@ obj-$(CONFIG_KEXEC) += machine_kexec.o
- obj-$(CONFIG_IA64_UNCACHED_ALLOCATOR) += uncached.o
- obj-$(CONFIG_AUDIT) += audit.o
- mca_recovery-y += mca_drv.o mca_drv_asm.o
-+obj-$(CONFIG_KGDB) += kgdb.o kgdb-jmp.o
-
- # The gate DSO image is built using a special linker script.
- targets += gate.so gate-syms.o
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/kernel/entry.S linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/entry.S
---- linux-2.6.18-53.1.14/arch/ia64/kernel/entry.S 2008-03-06 05:54:43.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/entry.S 2008-06-10 15:39:39.000000000 +0400
-@@ -959,9 +959,9 @@ GLOBAL_ENTRY(__ia64_leave_kernel)
- shr.u r18=r19,16 // get byte size of existing "dirty" partition
- ;;
- mov r16=ar.bsp // get existing backing store pointer
-- addl r17=THIS_CPU(ia64_phys_stacked_size_p8),r0
-+(pUStk) addl r17=THIS_CPU(ia64_phys_stacked_size_p8),r0
- ;;
-- ld4 r17=[r17] // r17 = cpu_data->phys_stacked_size_p8
-+(pUStk) ld4 r17=[r17] // r17 = cpu_data->phys_stacked_size_p8
- (pKStk) br.cond.dpnt skip_rbs_switch
-
- /*
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/kernel/ivt.S linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/ivt.S
---- linux-2.6.18-53.1.14/arch/ia64/kernel/ivt.S 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/ivt.S 2008-06-10 15:39:39.000000000 +0400
-@@ -52,6 +52,14 @@
- #include <asm/unistd.h>
- #include <asm/errno.h>
-
-+#ifdef CONFIG_KGDB
-+#define KGDB_ENABLE_PSR_DB mov r31=psr;; movl r30=IA64_PSR_DB;; \
-+ or r31=r31,r30;; \
-+ mov psr.l=r31;; srlz.i;;
-+#else
-+#define KGDB_ENABLE_PSR_DB
-+#endif
-+
- #if 1
- # define PSR_DEFAULT_BITS psr.ac
- #else
-@@ -519,6 +527,7 @@ ENTRY(page_fault)
- movl r14=ia64_leave_kernel
- ;;
- SAVE_REST
-+ KGDB_ENABLE_PSR_DB
- mov rp=r14
- ;;
- adds out2=16,r12 // out2 = pointer to pt_regs
-@@ -863,6 +872,7 @@ ENTRY(interrupt)
- srlz.i // ensure everybody knows psr.ic is back on
- ;;
- SAVE_REST
-+ KGDB_ENABLE_PSR_DB
- ;;
- MCA_RECOVER_RANGE(interrupt)
- alloc r14=ar.pfs,0,0,2,0 // must be first in an insn group
-@@ -1110,6 +1120,7 @@ ENTRY(non_syscall)
- movl r15=ia64_leave_kernel
- ;;
- SAVE_REST
-+ KGDB_ENABLE_PSR_DB
- mov rp=r15
- ;;
- br.call.sptk.many b6=ia64_bad_break // avoid WAW on CFM and ignore return addr
-@@ -1143,6 +1154,7 @@ ENTRY(dispatch_unaligned_handler)
- adds r3=8,r2 // set up second base pointer
- ;;
- SAVE_REST
-+ KGDB_ENABLE_PSR_DB
- movl r14=ia64_leave_kernel
- ;;
- mov rp=r14
-@@ -1185,6 +1197,10 @@ ENTRY(dispatch_to_fault_handler)
- adds r3=8,r2 // set up second base pointer for SAVE_REST
- ;;
- SAVE_REST
-+ cmp.eq p6,p0=29,out0
-+(p6) br.cond.spnt 1f;; // debug_vector
-+ KGDB_ENABLE_PSR_DB
-+1:
- movl r14=ia64_leave_kernel
- ;;
- mov rp=r14
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/kernel/kgdb-jmp.S linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/kgdb-jmp.S
---- linux-2.6.18-53.1.14/arch/ia64/kernel/kgdb-jmp.S 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/kgdb-jmp.S 2008-06-10 15:38:32.000000000 +0400
-@@ -0,0 +1,238 @@
-+/* setjmp() and longjmp() assembler support for kdb on ia64.
-+
-+ This code was copied from glibc CVS as of 2001-06-27 and modified where
-+ necessary to fit the kernel.
-+ Keith Owens <kaos@melbourne.sgi.com> 2001-06-27
-+ */
-+
-+/* Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
-+ Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
-+
-+ The GNU C Library is free software; you can redistribute it and/or
-+ modify it under the terms of the GNU Library General Public License as
-+ published by the Free Software Foundation; either version 2 of the
-+ License, or (at your option) any later version.
-+
-+ The GNU C Library is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ Library General Public License for more details.
-+
-+ You should have received a copy of the GNU Library General Public
-+ License along with the GNU C Library; see the file COPYING.LIB. If
-+ not, write to the Free Software Foundation, Inc.,
-+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+*/
-+
-+#include <asm/asmmacro.h>
-+GLOBAL_ENTRY(kgdb_fault_setjmp)
-+ .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(2)
-+ alloc loc1=ar.pfs,2,2,2,0
-+ mov r16=ar.unat
-+ ;;
-+ mov r17=ar.fpsr
-+ mov r2=in0
-+ add r3=8,in0
-+ ;;
-+.mem.offset 0,0;
-+ st8.spill.nta [r2]=sp,16 // r12 (sp)
-+.mem.offset 8,0;
-+ st8.spill.nta [r3]=gp,16 // r1 (gp)
-+ ;;
-+ st8.nta [r2]=r16,16 // save caller's unat
-+ st8.nta [r3]=r17,16 // save fpsr
-+ add r8=0xa0,in0
-+ ;;
-+.mem.offset 160,0;
-+ st8.spill.nta [r2]=r4,16 // r4
-+.mem.offset 168,0;
-+ st8.spill.nta [r3]=r5,16 // r5
-+ add r9=0xb0,in0
-+ ;;
-+ stf.spill.nta [r8]=f2,32
-+ stf.spill.nta [r9]=f3,32
-+ mov loc0=rp
-+ .body
-+ ;;
-+ stf.spill.nta [r8]=f4,32
-+ stf.spill.nta [r9]=f5,32
-+ mov r17=b1
-+ ;;
-+ stf.spill.nta [r8]=f16,32
-+ stf.spill.nta [r9]=f17,32
-+ mov r18=b2
-+ ;;
-+ stf.spill.nta [r8]=f18,32
-+ stf.spill.nta [r9]=f19,32
-+ mov r19=b3
-+ ;;
-+ stf.spill.nta [r8]=f20,32
-+ stf.spill.nta [r9]=f21,32
-+ mov r20=b4
-+ ;;
-+ stf.spill.nta [r8]=f22,32
-+ stf.spill.nta [r9]=f23,32
-+ mov r21=b5
-+ ;;
-+ stf.spill.nta [r8]=f24,32
-+ stf.spill.nta [r9]=f25,32
-+ mov r22=ar.lc
-+ ;;
-+ stf.spill.nta [r8]=f26,32
-+ stf.spill.nta [r9]=f27,32
-+ mov r24=pr
-+ ;;
-+ stf.spill.nta [r8]=f28,32
-+ stf.spill.nta [r9]=f29,32
-+ ;;
-+ stf.spill.nta [r8]=f30
-+ stf.spill.nta [r9]=f31
-+
-+.mem.offset 0,0;
-+ st8.spill.nta [r2]=r6,16 // r6
-+.mem.offset 8,0;
-+ st8.spill.nta [r3]=r7,16 // r7
-+ ;;
-+ mov r23=ar.bsp
-+ mov r25=ar.unat
-+ st8.nta [r2]=loc0,16 // b0
-+ st8.nta [r3]=r17,16 // b1
-+ ;;
-+ st8.nta [r2]=r18,16 // b2
-+ st8.nta [r3]=r19,16 // b3
-+ ;;
-+ st8.nta [r2]=r20,16 // b4
-+ st8.nta [r3]=r21,16 // b5
-+ ;;
-+ st8.nta [r2]=loc1,16 // ar.pfs
-+ st8.nta [r3]=r22,16 // ar.lc
-+ ;;
-+ st8.nta [r2]=r24,16 // pr
-+ st8.nta [r3]=r23,16 // ar.bsp
-+ ;;
-+ st8.nta [r2]=r25 // ar.unat
-+ st8.nta [r3]=in0 // &__jmp_buf
-+ mov r8=0
-+ mov rp=loc0
-+ mov ar.pfs=loc1
-+ br.ret.sptk.few rp
-+END(kdba_setjmp)
-+#define pPos p6 /* is rotate count positive? */
-+#define pNeg p7 /* is rotate count negative? */
-+GLOBAL_ENTRY(kgdb_fault_longjmp)
-+ alloc r8=ar.pfs,2,1,0,0
-+ mov r27=ar.rsc
-+ add r2=0x98,in0 // r2 <- &jmpbuf.orig_jmp_buf_addr
-+ ;;
-+ ld8 r8=[r2],-16 // r8 <- orig_jmp_buf_addr
-+ mov r10=ar.bsp
-+ and r11=~0x3,r27 // clear ar.rsc.mode
-+ ;;
-+ flushrs // flush dirty regs to backing store (must be first in insn grp)
-+ ld8 r23=[r2],8 // r23 <- jmpbuf.ar_bsp
-+ sub r8=r8,in0 // r8 <- &orig_jmpbuf - &jmpbuf
-+ ;;
-+ ld8 r25=[r2] // r25 <- jmpbuf.ar_unat
-+ extr.u r8=r8,3,6 // r8 <- (&orig_jmpbuf - &jmpbuf)/8 & 0x3f
-+ ;;
-+ cmp.lt pNeg,pPos=r8,r0
-+ mov r2=in0
-+ ;;
-+(pPos) mov r16=r8
-+(pNeg) add r16=64,r8
-+(pPos) sub r17=64,r8
-+(pNeg) sub r17=r0,r8
-+ ;;
-+ mov ar.rsc=r11 // put RSE in enforced lazy mode
-+ shr.u r8=r25,r16
-+ add r3=8,in0 // r3 <- &jmpbuf.r1
-+ shl r9=r25,r17
-+ ;;
-+ or r25=r8,r9
-+ ;;
-+ mov r26=ar.rnat
-+ mov ar.unat=r25 // setup ar.unat (NaT bits for r1, r4-r7, and r12)
-+ ;;
-+ ld8.fill.nta sp=[r2],16 // r12 (sp)
-+ ld8.fill.nta gp=[r3],16 // r1 (gp)
-+ dep r11=-1,r23,3,6 // r11 <- ia64_rse_rnat_addr(jmpbuf.ar_bsp)
-+ ;;
-+ ld8.nta r16=[r2],16 // caller's unat
-+ ld8.nta r17=[r3],16 // fpsr
-+ ;;
-+ ld8.fill.nta r4=[r2],16 // r4
-+ ld8.fill.nta r5=[r3],16 // r5 (gp)
-+ cmp.geu p8,p0=r10,r11 // p8 <- (ar.bsp >= jmpbuf.ar_bsp)
-+ ;;
-+ ld8.fill.nta r6=[r2],16 // r6
-+ ld8.fill.nta r7=[r3],16 // r7
-+ ;;
-+ mov ar.unat=r16 // restore caller's unat
-+ mov ar.fpsr=r17 // restore fpsr
-+ ;;
-+ ld8.nta r16=[r2],16 // b0
-+ ld8.nta r17=[r3],16 // b1
-+ ;;
-+(p8) ld8 r26=[r11] // r26 <- *ia64_rse_rnat_addr(jmpbuf.ar_bsp)
-+ mov ar.bspstore=r23 // restore ar.bspstore
-+ ;;
-+ ld8.nta r18=[r2],16 // b2
-+ ld8.nta r19=[r3],16 // b3
-+ ;;
-+ ld8.nta r20=[r2],16 // b4
-+ ld8.nta r21=[r3],16 // b5
-+ ;;
-+ ld8.nta r11=[r2],16 // ar.pfs
-+ ld8.nta r22=[r3],56 // ar.lc
-+ ;;
-+ ld8.nta r24=[r2],32 // pr
-+ mov b0=r16
-+ ;;
-+ ldf.fill.nta f2=[r2],32
-+ ldf.fill.nta f3=[r3],32
-+ mov b1=r17
-+ ;;
-+ ldf.fill.nta f4=[r2],32
-+ ldf.fill.nta f5=[r3],32
-+ mov b2=r18
-+ ;;
-+ ldf.fill.nta f16=[r2],32
-+ ldf.fill.nta f17=[r3],32
-+ mov b3=r19
-+ ;;
-+ ldf.fill.nta f18=[r2],32
-+ ldf.fill.nta f19=[r3],32
-+ mov b4=r20
-+ ;;
-+ ldf.fill.nta f20=[r2],32
-+ ldf.fill.nta f21=[r3],32
-+ mov b5=r21
-+ ;;
-+ ldf.fill.nta f22=[r2],32
-+ ldf.fill.nta f23=[r3],32
-+ mov ar.lc=r22
-+ ;;
-+ ldf.fill.nta f24=[r2],32
-+ ldf.fill.nta f25=[r3],32
-+ cmp.eq p8,p9=0,in1
-+ ;;
-+ ldf.fill.nta f26=[r2],32
-+ ldf.fill.nta f27=[r3],32
-+ mov ar.pfs=r11
-+ ;;
-+ ldf.fill.nta f28=[r2],32
-+ ldf.fill.nta f29=[r3],32
-+ ;;
-+ ldf.fill.nta f30=[r2]
-+ ldf.fill.nta f31=[r3]
-+(p8) mov r8=1
-+
-+ mov ar.rnat=r26 // restore ar.rnat
-+ ;;
-+ mov ar.rsc=r27 // restore ar.rsc
-+(p9) mov r8=in1
-+
-+ invala // virt. -> phys. regnum mapping may change
-+ mov pr=r24,-1
-+ br.ret.sptk.few rp
-+END(kgdb_fault_longjmp)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/kernel/kgdb.c linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/kgdb.c
---- linux-2.6.18-53.1.14/arch/ia64/kernel/kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/kgdb.c 2008-06-10 15:38:32.000000000 +0400
-@@ -0,0 +1,1131 @@
-+/*
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2, or (at your option) any
-+ * later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ */
-+
-+/*
-+ * Copyright (C) 2000-2001 VERITAS Software Corporation.
-+ * (c) Copyright 2005 Hewlett-Packard Development Company, L.P.
-+ * Bob Picco <bob.picco@hp.com>
-+ */
-+/*
-+ * Contributor: Lake Stevens Instrument Division$
-+ * Written by: Glenn Engel $
-+ * Updated by: Amit Kale<akale@veritas.com>
-+ * Modified for 386 by Jim Kingdon, Cygnus Support.
-+ * Origianl kgdb, compatibility with 2.1.xx kernel by David Grothe <dave@gcom.com>
-+ */
-+
-+#include <linux/string.h>
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/smp.h>
-+#include <linux/spinlock.h>
-+#include <linux/delay.h>
-+#include <asm/system.h>
-+#include <asm/ptrace.h> /* for linux pt_regs struct */
-+#include <asm/unwind.h>
-+#include <asm/rse.h>
-+#include <linux/kgdb.h>
-+#include <linux/init.h>
-+#include <asm/cacheflush.h>
-+#include <asm/kdebug.h>
-+
-+#define NUM_REGS 590
-+#define REGISTER_BYTES (NUM_REGS*8+128*8)
-+#define REGISTER_BYTE(N) (((N) * 8) \
-+ + ((N) <= IA64_FR0_REGNUM ? \
-+ 0 : 8 * (((N) > IA64_FR127_REGNUM) ? 128 : (N) - IA64_FR0_REGNUM)))
-+#define REGISTER_SIZE(N) \
-+ (((N) >= IA64_FR0_REGNUM && (N) <= IA64_FR127_REGNUM) ? 16 : 8)
-+#define IA64_GR0_REGNUM 0
-+#define IA64_FR0_REGNUM 128
-+#define IA64_FR127_REGNUM (IA64_FR0_REGNUM+127)
-+#define IA64_PR0_REGNUM 256
-+#define IA64_BR0_REGNUM 320
-+#define IA64_VFP_REGNUM 328
-+#define IA64_PR_REGNUM 330
-+#define IA64_IP_REGNUM 331
-+#define IA64_PSR_REGNUM 332
-+#define IA64_CFM_REGNUM 333
-+#define IA64_AR0_REGNUM 334
-+#define IA64_NAT0_REGNUM 462
-+#define IA64_NAT31_REGNUM (IA64_NAT0_REGNUM+31)
-+#define IA64_NAT32_REGNUM (IA64_NAT0_REGNUM+32)
-+#define IA64_RSC_REGNUM (IA64_AR0_REGNUM+16)
-+#define IA64_BSP_REGNUM (IA64_AR0_REGNUM+17)
-+#define IA64_BSPSTORE_REGNUM (IA64_AR0_REGNUM+18)
-+#define IA64_RNAT_REGNUM (IA64_AR0_REGNUM+19)
-+#define IA64_FCR_REGNUM (IA64_AR0_REGNUM+21)
-+#define IA64_EFLAG_REGNUM (IA64_AR0_REGNUM+24)
-+#define IA64_CSD_REGNUM (IA64_AR0_REGNUM+25)
-+#define IA64_SSD_REGNUM (IA64_AR0_REGNUM+26)
-+#define IA64_CFLG_REGNUM (IA64_AR0_REGNUM+27)
-+#define IA64_FSR_REGNUM (IA64_AR0_REGNUM+28)
-+#define IA64_FIR_REGNUM (IA64_AR0_REGNUM+29)
-+#define IA64_FDR_REGNUM (IA64_AR0_REGNUM+30)
-+#define IA64_CCV_REGNUM (IA64_AR0_REGNUM+32)
-+#define IA64_UNAT_REGNUM (IA64_AR0_REGNUM+36)
-+#define IA64_FPSR_REGNUM (IA64_AR0_REGNUM+40)
-+#define IA64_ITC_REGNUM (IA64_AR0_REGNUM+44)
-+#define IA64_PFS_REGNUM (IA64_AR0_REGNUM+64)
-+#define IA64_LC_REGNUM (IA64_AR0_REGNUM+65)
-+#define IA64_EC_REGNUM (IA64_AR0_REGNUM+66)
-+
-+#define REGISTER_INDEX(N) (REGISTER_BYTE(N) / sizeof (unsigned long))
-+#define BREAK_INSTR_ALIGN (~0xfULL)
-+
-+#define ptoff(V) ((unsigned int) &((struct pt_regs *)0x0)->V)
-+struct reg_to_ptreg_index {
-+ unsigned int reg;
-+ unsigned int ptregoff;
-+};
-+
-+static struct reg_to_ptreg_index gr_reg_to_ptreg_index[] = {
-+ {IA64_GR0_REGNUM + 1, ptoff(r1)},
-+ {IA64_GR0_REGNUM + 2, ptoff(r2)},
-+ {IA64_GR0_REGNUM + 3, ptoff(r3)},
-+ {IA64_GR0_REGNUM + 8, ptoff(r8)},
-+ {IA64_GR0_REGNUM + 9, ptoff(r9)},
-+ {IA64_GR0_REGNUM + 10, ptoff(r10)},
-+ {IA64_GR0_REGNUM + 11, ptoff(r11)},
-+ {IA64_GR0_REGNUM + 12, ptoff(r12)},
-+ {IA64_GR0_REGNUM + 13, ptoff(r13)},
-+ {IA64_GR0_REGNUM + 14, ptoff(r14)},
-+ {IA64_GR0_REGNUM + 15, ptoff(r15)},
-+ {IA64_GR0_REGNUM + 16, ptoff(r16)},
-+ {IA64_GR0_REGNUM + 17, ptoff(r17)},
-+ {IA64_GR0_REGNUM + 18, ptoff(r18)},
-+ {IA64_GR0_REGNUM + 19, ptoff(r19)},
-+ {IA64_GR0_REGNUM + 20, ptoff(r20)},
-+ {IA64_GR0_REGNUM + 21, ptoff(r21)},
-+ {IA64_GR0_REGNUM + 22, ptoff(r22)},
-+ {IA64_GR0_REGNUM + 23, ptoff(r23)},
-+ {IA64_GR0_REGNUM + 24, ptoff(r24)},
-+ {IA64_GR0_REGNUM + 25, ptoff(r25)},
-+ {IA64_GR0_REGNUM + 26, ptoff(r26)},
-+ {IA64_GR0_REGNUM + 27, ptoff(r27)},
-+ {IA64_GR0_REGNUM + 28, ptoff(r28)},
-+ {IA64_GR0_REGNUM + 29, ptoff(r29)},
-+ {IA64_GR0_REGNUM + 30, ptoff(r30)},
-+ {IA64_GR0_REGNUM + 31, ptoff(r31)},
-+};
-+
-+static struct reg_to_ptreg_index br_reg_to_ptreg_index[] = {
-+ {IA64_BR0_REGNUM, ptoff(b0)},
-+ {IA64_BR0_REGNUM + 6, ptoff(b6)},
-+ {IA64_BR0_REGNUM + 7, ptoff(b7)},
-+};
-+
-+static struct reg_to_ptreg_index ar_reg_to_ptreg_index[] = {
-+ {IA64_PFS_REGNUM, ptoff(ar_pfs)},
-+ {IA64_UNAT_REGNUM, ptoff(ar_unat)},
-+ {IA64_RNAT_REGNUM, ptoff(ar_rnat)},
-+ {IA64_BSPSTORE_REGNUM, ptoff(ar_bspstore)},
-+ {IA64_RSC_REGNUM, ptoff(ar_rsc)},
-+ {IA64_CSD_REGNUM, ptoff(ar_csd)},
-+ {IA64_SSD_REGNUM, ptoff(ar_ssd)},
-+ {IA64_FPSR_REGNUM, ptoff(ar_fpsr)},
-+ {IA64_CCV_REGNUM, ptoff(ar_ccv)},
-+};
-+
-+extern atomic_t cpu_doing_single_step;
-+
-+static int kgdb_gr_reg(int regnum, struct unw_frame_info *info,
-+ unsigned long *reg, int rw)
-+{
-+ char nat;
-+
-+ if ((regnum >= IA64_GR0_REGNUM && regnum <= (IA64_GR0_REGNUM + 1)) ||
-+ (regnum >= (IA64_GR0_REGNUM + 4) &&
-+ regnum <= (IA64_GR0_REGNUM + 7)))
-+ return !unw_access_gr(info, regnum - IA64_GR0_REGNUM,
-+ reg, &nat, rw);
-+ else
-+ return 0;
-+}
-+static int kgdb_gr_ptreg(int regnum, struct pt_regs * ptregs,
-+ struct unw_frame_info *info, unsigned long *reg, int rw)
-+{
-+ int i, result = 1;
-+ char nat;
-+
-+ if (!((regnum >= (IA64_GR0_REGNUM + 2) &&
-+ regnum <= (IA64_GR0_REGNUM + 3)) ||
-+ (regnum >= (IA64_GR0_REGNUM + 8) &&
-+ regnum <= (IA64_GR0_REGNUM + 15)) ||
-+ (regnum >= (IA64_GR0_REGNUM + 16) &&
-+ regnum <= (IA64_GR0_REGNUM + 31))))
-+ return 0;
-+ else if (rw && ptregs) {
-+ for (i = 0; i < ARRAY_SIZE(gr_reg_to_ptreg_index); i++)
-+ if (gr_reg_to_ptreg_index[i].reg == regnum) {
-+ *((unsigned long *)(((void *)ptregs) +
-+ gr_reg_to_ptreg_index[i].ptregoff)) = *reg;
-+ break;
-+ }
-+ } else if (!rw && ptregs) {
-+ for (i = 0; i < ARRAY_SIZE(gr_reg_to_ptreg_index); i++)
-+ if (gr_reg_to_ptreg_index[i].reg == regnum) {
-+ *reg = *((unsigned long *)
-+ (((void *)ptregs) +
-+ gr_reg_to_ptreg_index[i].ptregoff));
-+ break;
-+ }
-+ } else
-+ result = !unw_access_gr(info, regnum - IA64_GR0_REGNUM,
-+ reg, &nat, rw);
-+ return result;
-+}
-+
-+static int kgdb_br_reg(int regnum, struct pt_regs * ptregs,
-+ struct unw_frame_info *info, unsigned long *reg, int rw)
-+{
-+ int i, result = 1;
-+
-+ if (!(regnum >= IA64_BR0_REGNUM && regnum <= (IA64_BR0_REGNUM + 7)))
-+ return 0;
-+
-+ switch (regnum) {
-+ case IA64_BR0_REGNUM:
-+ case IA64_BR0_REGNUM + 6:
-+ case IA64_BR0_REGNUM + 7:
-+ if (rw) {
-+ for (i = 0; i < ARRAY_SIZE(br_reg_to_ptreg_index); i++)
-+ if (br_reg_to_ptreg_index[i].reg == regnum) {
-+ *((unsigned long *)
-+ (((void *)ptregs) +
-+ br_reg_to_ptreg_index[i].ptregoff)) =
-+ *reg;
-+ break;
-+ }
-+ } else
-+ for (i = 0; i < ARRAY_SIZE(br_reg_to_ptreg_index); i++)
-+ if (br_reg_to_ptreg_index[i].reg == regnum) {
-+ *reg = *((unsigned long *)
-+ (((void *)ptregs) +
-+ br_reg_to_ptreg_index[i].
-+ ptregoff));
-+ break;
-+ }
-+ break;
-+ case IA64_BR0_REGNUM + 1:
-+ case IA64_BR0_REGNUM + 2:
-+ case IA64_BR0_REGNUM + 3:
-+ case IA64_BR0_REGNUM + 4:
-+ case IA64_BR0_REGNUM + 5:
-+ result = !unw_access_br(info, regnum - IA64_BR0_REGNUM,
-+ reg, rw);
-+ break;
-+ }
-+
-+ return result;
-+}
-+
-+static int kgdb_fr_reg(int regnum, char *inbuffer, struct pt_regs * ptregs,
-+ struct unw_frame_info *info, unsigned long *reg,
-+ struct ia64_fpreg *freg, int rw)
-+{
-+ int result = 1;
-+
-+ if (!(regnum >= IA64_FR0_REGNUM && regnum <= (IA64_FR0_REGNUM + 127)))
-+ return 0;
-+
-+ switch (regnum) {
-+ case IA64_FR0_REGNUM + 6:
-+ case IA64_FR0_REGNUM + 7:
-+ case IA64_FR0_REGNUM + 8:
-+ case IA64_FR0_REGNUM + 9:
-+ case IA64_FR0_REGNUM + 10:
-+ case IA64_FR0_REGNUM + 11:
-+ case IA64_FR0_REGNUM + 12:
-+ if (rw) {
-+ char *ptr = inbuffer;
-+
-+ freg->u.bits[0] = *reg;
-+ kgdb_hex2long(&ptr, &freg->u.bits[1]);
-+ *(&ptregs->f6 + (regnum - (IA64_FR0_REGNUM + 6))) =
-+ *freg;
-+ break;
-+ } else if (!ptregs)
-+ result = !unw_access_fr(info, regnum - IA64_FR0_REGNUM,
-+ freg, rw);
-+ else
-+ *freg =
-+ *(&ptregs->f6 + (regnum - (IA64_FR0_REGNUM + 6)));
-+ break;
-+ default:
-+ if (!rw)
-+ result = !unw_access_fr(info, regnum - IA64_FR0_REGNUM,
-+ freg, rw);
-+ else
-+ result = 0;
-+ break;
-+ }
-+
-+ return result;
-+}
-+
-+static int kgdb_ar_reg(int regnum, struct pt_regs * ptregs,
-+ struct unw_frame_info *info, unsigned long *reg, int rw)
-+{
-+ int result = 0, i;
-+
-+ if (!(regnum >= IA64_AR0_REGNUM && regnum <= IA64_EC_REGNUM))
-+ return 0;
-+
-+ if (rw && ptregs) {
-+ for (i = 0; i < ARRAY_SIZE(ar_reg_to_ptreg_index); i++)
-+ if (ar_reg_to_ptreg_index[i].reg == regnum) {
-+ *((unsigned long *) (((void *)ptregs) +
-+ ar_reg_to_ptreg_index[i].ptregoff)) =
-+ *reg;
-+ result = 1;
-+ break;
-+ }
-+ } else if (ptregs) {
-+ for (i = 0; i < ARRAY_SIZE(ar_reg_to_ptreg_index); i++)
-+ if (ar_reg_to_ptreg_index[i].reg == regnum) {
-+ *reg = *((unsigned long *) (((void *)ptregs) +
-+ ar_reg_to_ptreg_index[i].ptregoff));
-+ result = 1;
-+ break;
-+ }
-+ }
-+
-+ if (result)
-+ return result;
-+
-+ result = 1;
-+
-+ switch (regnum) {
-+ case IA64_CSD_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_CSD, reg, rw);
-+ break;
-+ case IA64_SSD_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_SSD, reg, rw);
-+ break;
-+ case IA64_UNAT_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_RNAT, reg, rw);
-+ break;
-+ case IA64_RNAT_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_RNAT, reg, rw);
-+ break;
-+ case IA64_BSPSTORE_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_RNAT, reg, rw);
-+ break;
-+ case IA64_PFS_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_RNAT, reg, rw);
-+ break;
-+ case IA64_LC_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_LC, reg, rw);
-+ break;
-+ case IA64_EC_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_EC, reg, rw);
-+ break;
-+ case IA64_FPSR_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_FPSR, reg, rw);
-+ break;
-+ case IA64_RSC_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_RSC, reg, rw);
-+ break;
-+ case IA64_CCV_REGNUM:
-+ result = !unw_access_ar(info, UNW_AR_CCV, reg, rw);
-+ break;
-+ default:
-+ result = 0;
-+ }
-+
-+ return result;
-+}
-+
-+void kgdb_get_reg(char *outbuffer, int regnum, struct unw_frame_info *info,
-+ struct pt_regs *ptregs)
-+{
-+ unsigned long reg, size = 0, *mem = ®
-+ struct ia64_fpreg freg;
-+
-+ if (kgdb_gr_reg(regnum, info, ®, 0) ||
-+ kgdb_gr_ptreg(regnum, ptregs, info, ®, 0) ||
-+ kgdb_br_reg(regnum, ptregs, info, ®, 0) ||
-+ kgdb_ar_reg(regnum, ptregs, info, ®, 0))
-+ size = sizeof(reg);
-+ else if (kgdb_fr_reg(regnum, NULL, ptregs, info, ®, &freg, 0)) {
-+ size = sizeof(freg);
-+ mem = (unsigned long *)&freg;
-+ } else if (regnum == IA64_IP_REGNUM) {
-+ if (!ptregs) {
-+ unw_get_ip(info, ®);
-+ size = sizeof(reg);
-+ } else {
-+ reg = ptregs->cr_iip;
-+ size = sizeof(reg);
-+ }
-+ } else if (regnum == IA64_CFM_REGNUM) {
-+ if (!ptregs)
-+ unw_get_cfm(info, ®);
-+ else
-+ reg = ptregs->cr_ifs;
-+ size = sizeof(reg);
-+ } else if (regnum == IA64_PSR_REGNUM) {
-+ if (!ptregs && kgdb_usethread)
-+ ptregs = (struct pt_regs *)
-+ ((unsigned long)kgdb_usethread +
-+ IA64_STK_OFFSET) - 1;
-+ if (ptregs)
-+ reg = ptregs->cr_ipsr;
-+ size = sizeof(reg);
-+ } else if (regnum == IA64_PR_REGNUM) {
-+ if (ptregs)
-+ reg = ptregs->pr;
-+ else
-+ unw_access_pr(info, ®, 0);
-+ size = sizeof(reg);
-+ } else if (regnum == IA64_BSP_REGNUM) {
-+ unw_get_bsp(info, ®);
-+ size = sizeof(reg);
-+ }
-+
-+ if (size) {
-+ kgdb_mem2hex((char *) mem, outbuffer, size);
-+ outbuffer[size*2] = 0;
-+ }
-+ else
-+ strcpy(outbuffer, "E0");
-+
-+ return;
-+}
-+
-+void kgdb_put_reg(char *inbuffer, char *outbuffer, int regnum,
-+ struct unw_frame_info *info, struct pt_regs *ptregs)
-+{
-+ unsigned long reg;
-+ struct ia64_fpreg freg;
-+ char *ptr = inbuffer;
-+
-+ kgdb_hex2long(&ptr, ®);
-+ strcpy(outbuffer, "OK");
-+
-+ if (kgdb_gr_reg(regnum, info, ®, 1) ||
-+ kgdb_gr_ptreg(regnum, ptregs, info, ®, 1) ||
-+ kgdb_br_reg(regnum, ptregs, info, ®, 1) ||
-+ kgdb_fr_reg(regnum, inbuffer, ptregs, info, ®, &freg, 1) ||
-+ kgdb_ar_reg(regnum, ptregs, info, ®, 1)) ;
-+ else if (regnum == IA64_IP_REGNUM)
-+ ptregs->cr_iip = reg;
-+ else if (regnum == IA64_CFM_REGNUM)
-+ ptregs->cr_ifs = reg;
-+ else if (regnum == IA64_PSR_REGNUM)
-+ ptregs->cr_ipsr = reg;
-+ else if (regnum == IA64_PR_REGNUM)
-+ ptregs->pr = reg;
-+ else
-+ strcpy(outbuffer, "E01");
-+ return;
-+}
-+
-+void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+}
-+
-+void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
-+{
-+}
-+
-+void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+
-+}
-+
-+#define MAX_HW_BREAKPOINT (20)
-+long hw_break_total_dbr, hw_break_total_ibr;
-+#define HW_BREAKPOINT (hw_break_total_dbr + hw_break_total_ibr)
-+#define WATCH_INSTRUCTION 0x0
-+#define WATCH_WRITE 0x1
-+#define WATCH_READ 0x2
-+#define WATCH_ACCESS 0x3
-+
-+#define HWCAP_DBR ((1 << WATCH_WRITE) | (1 << WATCH_READ))
-+#define HWCAP_IBR (1 << WATCH_INSTRUCTION)
-+struct hw_breakpoint {
-+ unsigned enabled;
-+ unsigned long capable;
-+ unsigned long type;
-+ unsigned long mask;
-+ unsigned long addr;
-+} *breakinfo;
-+
-+static struct hw_breakpoint hwbreaks[MAX_HW_BREAKPOINT];
-+
-+enum instruction_type { A, I, M, F, B, L, X, u };
-+
-+static enum instruction_type bundle_encoding[32][3] = {
-+ {M, I, I}, /* 00 */
-+ {M, I, I}, /* 01 */
-+ {M, I, I}, /* 02 */
-+ {M, I, I}, /* 03 */
-+ {M, L, X}, /* 04 */
-+ {M, L, X}, /* 05 */
-+ {u, u, u}, /* 06 */
-+ {u, u, u}, /* 07 */
-+ {M, M, I}, /* 08 */
-+ {M, M, I}, /* 09 */
-+ {M, M, I}, /* 0A */
-+ {M, M, I}, /* 0B */
-+ {M, F, I}, /* 0C */
-+ {M, F, I}, /* 0D */
-+ {M, M, F}, /* 0E */
-+ {M, M, F}, /* 0F */
-+ {M, I, B}, /* 10 */
-+ {M, I, B}, /* 11 */
-+ {M, B, B}, /* 12 */
-+ {M, B, B}, /* 13 */
-+ {u, u, u}, /* 14 */
-+ {u, u, u}, /* 15 */
-+ {B, B, B}, /* 16 */
-+ {B, B, B}, /* 17 */
-+ {M, M, B}, /* 18 */
-+ {M, M, B}, /* 19 */
-+ {u, u, u}, /* 1A */
-+ {u, u, u}, /* 1B */
-+ {M, F, B}, /* 1C */
-+ {M, F, B}, /* 1D */
-+ {u, u, u}, /* 1E */
-+ {u, u, u}, /* 1F */
-+};
-+
-+int kgdb_validate_break_address(unsigned long addr)
-+{
-+ int error;
-+ char tmp_variable[BREAK_INSTR_SIZE];
-+ error = kgdb_get_mem((char *)(addr & BREAK_INSTR_ALIGN), tmp_variable,
-+ BREAK_INSTR_SIZE);
-+ return error;
-+}
-+
-+int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr)
-+{
-+ extern unsigned long _start[];
-+ unsigned long slot = addr & BREAK_INSTR_ALIGN, bundle_addr;
-+ unsigned long template;
-+ struct bundle {
-+ struct {
-+ unsigned long long template:5;
-+ unsigned long long slot0:41;
-+ unsigned long long slot1_p0:64 - 46;
-+ } quad0;
-+ struct {
-+ unsigned long long slot1_p1:41 - (64 - 46);
-+ unsigned long long slot2:41;
-+ } quad1;
-+ } bundle;
-+ int ret;
-+
-+ bundle_addr = addr & ~0xFULL;
-+
-+ if (bundle_addr == (unsigned long)_start)
-+ return 0;
-+
-+ ret = kgdb_get_mem((char *)bundle_addr, (char *)&bundle,
-+ BREAK_INSTR_SIZE);
-+ if (ret < 0)
-+ return ret;
-+
-+ if (slot > 2)
-+ slot = 0;
-+
-+ memcpy(saved_instr, &bundle, BREAK_INSTR_SIZE);
-+ template = bundle.quad0.template;
-+
-+ if (slot == 1 && bundle_encoding[template][1] == L)
-+ slot = 2;
-+
-+ switch (slot) {
-+ case 0:
-+ bundle.quad0.slot0 = BREAKNUM;
-+ break;
-+ case 1:
-+ bundle.quad0.slot1_p0 = BREAKNUM;
-+ bundle.quad1.slot1_p1 = (BREAKNUM >> (64 - 46));
-+ break;
-+ case 2:
-+ bundle.quad1.slot2 = BREAKNUM;
-+ break;
-+ }
-+
-+ return kgdb_set_mem((char *)bundle_addr, (char *)&bundle,
-+ BREAK_INSTR_SIZE);
-+}
-+
-+int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle)
-+{
-+ extern unsigned long _start[];
-+
-+ addr = addr & BREAK_INSTR_ALIGN;
-+ if (addr == (unsigned long)_start)
-+ return 0;
-+ return kgdb_set_mem((char *)addr, (char *)bundle, BREAK_INSTR_SIZE);
-+}
-+
-+static int hw_breakpoint_init;
-+
-+void do_init_hw_break(void)
-+{
-+ s64 status;
-+ int i;
-+
-+ hw_breakpoint_init = 1;
-+
-+#ifdef CONFIG_IA64_HP_SIM
-+ hw_break_total_ibr = 8;
-+ hw_break_total_dbr = 8;
-+ status = 0;
-+#else
-+ status = ia64_pal_debug_info(&hw_break_total_ibr, &hw_break_total_dbr);
-+#endif
-+
-+ if (status) {
-+ printk(KERN_INFO "do_init_hw_break: pal call failed %d\n",
-+ (int)status);
-+ return;
-+ }
-+
-+ if (HW_BREAKPOINT > MAX_HW_BREAKPOINT) {
-+ printk(KERN_INFO "do_init_hw_break: %d exceeds max %d\n",
-+ (int)HW_BREAKPOINT, (int)MAX_HW_BREAKPOINT);
-+
-+ while ((HW_BREAKPOINT > MAX_HW_BREAKPOINT)
-+ && hw_break_total_ibr != 1)
-+ hw_break_total_ibr--;
-+ while (HW_BREAKPOINT > MAX_HW_BREAKPOINT)
-+ hw_break_total_dbr--;
-+ }
-+
-+ breakinfo = hwbreaks;
-+
-+ memset(breakinfo, 0, HW_BREAKPOINT * sizeof(struct hw_breakpoint));
-+
-+ for (i = 0; i < hw_break_total_dbr; i++)
-+ breakinfo[i].capable = HWCAP_DBR;
-+
-+ for (; i < HW_BREAKPOINT; i++)
-+ breakinfo[i].capable = HWCAP_IBR;
-+
-+ return;
-+}
-+
-+void kgdb_correct_hw_break(void)
-+{
-+ int breakno;
-+
-+ if (!breakinfo)
-+ return;
-+
-+ for (breakno = 0; breakno < HW_BREAKPOINT; breakno++) {
-+ if (breakinfo[breakno].enabled) {
-+ if (breakinfo[breakno].capable & HWCAP_IBR) {
-+ int ibreakno = breakno - hw_break_total_dbr;
-+ ia64_set_ibr(ibreakno << 1,
-+ breakinfo[breakno].addr);
-+ ia64_set_ibr((ibreakno << 1) + 1,
-+ (~breakinfo[breakno].mask &
-+ ((1UL << 56UL) - 1)) |
-+ (1UL << 56UL) | (1UL << 63UL));
-+ } else {
-+ ia64_set_dbr(breakno << 1,
-+ breakinfo[breakno].addr);
-+ ia64_set_dbr((breakno << 1) + 1,
-+ (~breakinfo[breakno].
-+ mask & ((1UL << 56UL) - 1)) |
-+ (1UL << 56UL) |
-+ (breakinfo[breakno].type << 62UL));
-+ }
-+ } else {
-+ if (breakinfo[breakno].capable & HWCAP_IBR)
-+ ia64_set_ibr(((breakno -
-+ hw_break_total_dbr) << 1) + 1,
-+ 0);
-+ else
-+ ia64_set_dbr((breakno << 1) + 1, 0);
-+ }
-+ }
-+
-+ return;
-+}
-+
-+int hardware_breakpoint(unsigned long addr, int length, int type, int action)
-+{
-+ int breakno, found, watch;
-+ unsigned long mask;
-+ extern unsigned long _start[];
-+
-+ if (!hw_breakpoint_init)
-+ do_init_hw_break();
-+
-+ if (!breakinfo)
-+ return 0;
-+ else if (addr == (unsigned long)_start)
-+ return 1;
-+
-+ if (type == WATCH_ACCESS)
-+ mask = HWCAP_DBR;
-+ else
-+ mask = 1UL << type;
-+
-+ for (watch = 0, found = 0, breakno = 0; breakno < HW_BREAKPOINT;
-+ breakno++) {
-+ if (action) {
-+ if (breakinfo[breakno].enabled
-+ || !(breakinfo[breakno].capable & mask))
-+ continue;
-+ breakinfo[breakno].enabled = 1;
-+ breakinfo[breakno].type = type;
-+ breakinfo[breakno].mask = length - 1;
-+ breakinfo[breakno].addr = addr;
-+ watch = breakno;
-+ } else if (breakinfo[breakno].enabled &&
-+ ((length < 0 && breakinfo[breakno].addr == addr) ||
-+ ((breakinfo[breakno].capable & mask) &&
-+ (breakinfo[breakno].mask == (length - 1)) &&
-+ (breakinfo[breakno].addr == addr)))) {
-+ breakinfo[breakno].enabled = 0;
-+ breakinfo[breakno].type = 0UL;
-+ } else
-+ continue;
-+ found++;
-+ if (type != WATCH_ACCESS)
-+ break;
-+ else if (found == 2)
-+ break;
-+ else
-+ mask = HWCAP_IBR;
-+ }
-+
-+ if (type == WATCH_ACCESS && found == 1) {
-+ breakinfo[watch].enabled = 0;
-+ found = 0;
-+ }
-+
-+ mb();
-+ return found;
-+}
-+
-+int kgdb_arch_set_hw_breakpoint(unsigned long addr, int len,
-+ enum kgdb_bptype type)
-+{
-+ return hardware_breakpoint(addr, len, type - '1', 1);
-+}
-+
-+int kgdb_arch_remove_hw_breakpoint(unsigned long addr, int len,
-+ enum kgdb_bptype type)
-+{
-+ return hardware_breakpoint(addr, len, type - '1', 0);
-+}
-+
-+int kgdb_remove_hw_break(unsigned long addr)
-+{
-+ return hardware_breakpoint(addr, 8, WATCH_INSTRUCTION, 0);
-+
-+}
-+
-+void kgdb_remove_all_hw_break(void)
-+{
-+ int i;
-+
-+ for (i = 0; i < HW_BREAKPOINT; i++)
-+ memset(&breakinfo[i], 0, sizeof(struct hw_breakpoint));
-+}
-+
-+int kgdb_set_hw_break(unsigned long addr)
-+{
-+ return hardware_breakpoint(addr, 8, WATCH_INSTRUCTION, 1);
-+}
-+
-+void kgdb_disable_hw_debug(struct pt_regs *regs)
-+{
-+ unsigned long hw_breakpoint_status;
-+
-+ hw_breakpoint_status = ia64_getreg(_IA64_REG_PSR);
-+ if (hw_breakpoint_status & IA64_PSR_DB)
-+ ia64_setreg(_IA64_REG_PSR_L,
-+ hw_breakpoint_status ^ IA64_PSR_DB);
-+}
-+
-+volatile static struct smp_unw {
-+ struct unw_frame_info *unw;
-+ struct task_struct *task;
-+} smp_unw[NR_CPUS];
-+
-+static int inline kgdb_get_blocked_state(struct task_struct *p,
-+ struct unw_frame_info *unw)
-+{
-+ unsigned long ip;
-+ int count = 0;
-+
-+ unw_init_from_blocked_task(unw, p);
-+ ip = 0UL;
-+ do {
-+ if (unw_unwind(unw) < 0)
-+ return -1;
-+ unw_get_ip(unw, &ip);
-+ if (!in_sched_functions(ip))
-+ break;
-+ } while (count++ < 16);
-+
-+ if (!ip)
-+ return -1;
-+ else
-+ return 0;
-+}
-+
-+static void inline kgdb_wait(struct pt_regs *regs)
-+{
-+ unsigned long hw_breakpoint_status = ia64_getreg(_IA64_REG_PSR);
-+ if (hw_breakpoint_status & IA64_PSR_DB)
-+ ia64_setreg(_IA64_REG_PSR_L,
-+ hw_breakpoint_status ^ IA64_PSR_DB);
-+ kgdb_nmihook(smp_processor_id(), regs);
-+ if (hw_breakpoint_status & IA64_PSR_DB)
-+ ia64_setreg(_IA64_REG_PSR_L, hw_breakpoint_status);
-+
-+ return;
-+}
-+
-+static void inline normalize(struct unw_frame_info *running,
-+ struct pt_regs *regs)
-+{
-+ unsigned long sp;
-+
-+ do {
-+ unw_get_sp(running, &sp);
-+ if ((sp + 0x10) >= (unsigned long)regs)
-+ break;
-+ } while (unw_unwind(running) >= 0);
-+
-+ return;
-+}
-+
-+static void kgdb_init_running(struct unw_frame_info *unw, void *data)
-+{
-+ struct pt_regs *regs;
-+
-+ regs = data;
-+ normalize(unw, regs);
-+ smp_unw[smp_processor_id()].unw = unw;
-+ kgdb_wait(regs);
-+}
-+
-+void kgdb_wait_ipi(struct pt_regs *regs)
-+{
-+ struct unw_frame_info unw;
-+
-+ smp_unw[smp_processor_id()].task = current;
-+
-+ if (user_mode(regs)) {
-+ smp_unw[smp_processor_id()].unw = (struct unw_frame_info *)1;
-+ kgdb_wait(regs);
-+ } else {
-+ if (current->state == TASK_RUNNING)
-+ unw_init_running(kgdb_init_running, regs);
-+ else {
-+ if (kgdb_get_blocked_state(current, &unw))
-+ smp_unw[smp_processor_id()].unw =
-+ (struct unw_frame_info *)1;
-+ else
-+ smp_unw[smp_processor_id()].unw = &unw;
-+ kgdb_wait(regs);
-+ }
-+ }
-+
-+ smp_unw[smp_processor_id()].unw = NULL;
-+ return;
-+}
-+
-+void kgdb_roundup_cpus(unsigned long flags)
-+{
-+ if (num_online_cpus() > 1)
-+ smp_send_nmi_allbutself();
-+}
-+
-+static volatile int kgdb_hwbreak_sstep[NR_CPUS];
-+
-+static int kgdb_notify(struct notifier_block *self, unsigned long cmd,
-+ void *ptr)
-+{
-+ struct die_args *args = ptr;
-+ struct pt_regs *regs = args->regs;
-+ unsigned long err = args->err;
-+
-+ switch (cmd) {
-+ default:
-+ return NOTIFY_DONE;
-+ case DIE_PAGE_FAULT_NO_CONTEXT:
-+ if (atomic_read(&debugger_active) && kgdb_may_fault) {
-+ kgdb_fault_longjmp(kgdb_fault_jmp_regs);
-+ return NOTIFY_STOP;
-+ }
-+ break;
-+ case DIE_BREAK:
-+ if (user_mode(regs) || err == 0x80001)
-+ return NOTIFY_DONE;
-+ break;
-+ case DIE_FAULT:
-+ if (user_mode(regs))
-+ return NOTIFY_DONE;
-+ else if (err == 36 && kgdb_hwbreak_sstep[smp_processor_id()]) {
-+ kgdb_hwbreak_sstep[smp_processor_id()] = 0;
-+ regs->cr_ipsr &= ~IA64_PSR_SS;
-+ return NOTIFY_STOP;
-+ }
-+ case DIE_MCA_MONARCH_PROCESS:
-+ case DIE_INIT_MONARCH_PROCESS:
-+ break;
-+ }
-+
-+ kgdb_handle_exception(args->trapnr, args->signr, args->err, regs);
-+ return NOTIFY_STOP;
-+}
-+
-+static struct notifier_block kgdb_notifier = {
-+ .notifier_call = kgdb_notify,
-+};
-+
-+int kgdb_arch_init(void)
-+{
-+ atomic_notifier_chain_register(&ia64die_chain, &kgdb_notifier);
-+ return 0;
-+}
-+
-+static void do_kgdb_handle_exception(struct unw_frame_info *, void *data);
-+
-+struct kgdb_state {
-+ int e_vector;
-+ int signo;
-+ unsigned long err_code;
-+ struct pt_regs *regs;
-+ struct unw_frame_info *unw;
-+ char *inbuf;
-+ char *outbuf;
-+ int unwind;
-+ int ret;
-+};
-+
-+static void inline kgdb_pc(struct pt_regs *regs, unsigned long pc)
-+{
-+ regs->cr_iip = pc & ~0xf;
-+ ia64_psr(regs)->ri = pc & 0x3;
-+ return;
-+}
-+
-+int kgdb_arch_handle_exception(int e_vector, int signo,
-+ int err_code, char *remcom_in_buffer,
-+ char *remcom_out_buffer,
-+ struct pt_regs *linux_regs)
-+{
-+ struct kgdb_state info;
-+
-+ info.e_vector = e_vector;
-+ info.signo = signo;
-+ info.err_code = err_code;
-+ info.unw = (void *)0;
-+ info.inbuf = remcom_in_buffer;
-+ info.outbuf = remcom_out_buffer;
-+ info.unwind = 0;
-+ info.ret = -1;
-+
-+ if (remcom_in_buffer[0] == 'c' || remcom_in_buffer[0] == 's') {
-+ info.regs = linux_regs;
-+ do_kgdb_handle_exception(NULL, &info);
-+ } else if (kgdb_usethread == current) {
-+ info.regs = linux_regs;
-+ info.unwind = 1;
-+ unw_init_running(do_kgdb_handle_exception, &info);
-+ } else if (kgdb_usethread->state != TASK_RUNNING) {
-+ struct unw_frame_info unw_info;
-+
-+ if (kgdb_get_blocked_state(kgdb_usethread, &unw_info)) {
-+ info.ret = 1;
-+ goto bad;
-+ }
-+ info.regs = NULL;
-+ do_kgdb_handle_exception(&unw_info, &info);
-+ } else {
-+ int i;
-+
-+ for (i = 0; i < NR_CPUS; i++)
-+ if (smp_unw[i].task == kgdb_usethread && smp_unw[i].unw
-+ && smp_unw[i].unw != (struct unw_frame_info *)1) {
-+ info.regs = NULL;
-+ do_kgdb_handle_exception(smp_unw[i].unw, &info);
-+ break;
-+ } else {
-+ info.ret = 1;
-+ goto bad;
-+ }
-+ }
-+
-+ bad:
-+ if (info.ret != -1 && remcom_in_buffer[0] == 'p') {
-+ unsigned long bad = 0xbad4badbadbadbadUL;
-+
-+ printk("kgdb_arch_handle_exception: p packet bad (%s)\n",
-+ remcom_in_buffer);
-+ kgdb_mem2hex((char *)&bad, remcom_out_buffer, sizeof(bad));
-+ remcom_out_buffer[sizeof(bad) * 2] = 0;
-+ info.ret = -1;
-+ }
-+ return info.ret;
-+}
-+
-+/*
-+ * This is done because I evidently made an incorrect 'p' encoding
-+ * when my patch for gdb was committed. It was later corrected. This
-+ * check supports both my wrong encoding of the register number and
-+ * the correct encoding. Eventually this should be eliminated and
-+ * kgdb_hex2long should be demarshalling the regnum.
-+ */
-+static inline int check_packet(unsigned int regnum, char *packet)
-+{
-+ static int check_done, swap;
-+ unsigned long reglong;
-+
-+ if (likely(check_done)) {
-+ if (swap) {
-+ kgdb_hex2long(&packet, ®long);
-+ regnum = (int) reglong;
-+ }
-+
-+ } else {
-+ if (regnum > NUM_REGS) {
-+ kgdb_hex2long(&packet, ®long);
-+ regnum = (int) reglong;
-+ swap = 1;
-+ }
-+ check_done = 1;
-+ }
-+ return regnum;
-+}
-+
-+static void do_kgdb_handle_exception(struct unw_frame_info *unw_info,
-+ void *data)
-+{
-+ long addr;
-+ char *ptr;
-+ unsigned long newPC;
-+ int e_vector, signo;
-+ unsigned long err_code;
-+ struct pt_regs *linux_regs;
-+ struct kgdb_state *info;
-+ char *remcom_in_buffer, *remcom_out_buffer;
-+
-+ info = data;
-+ info->unw = unw_info;
-+ e_vector = info->e_vector;
-+ signo = info->signo;
-+ err_code = info->err_code;
-+ remcom_in_buffer = info->inbuf;
-+ remcom_out_buffer = info->outbuf;
-+ linux_regs = info->regs;
-+
-+ if (info->unwind)
-+ normalize(unw_info, linux_regs);
-+
-+ switch (remcom_in_buffer[0]) {
-+ case 'p':
-+ {
-+ unsigned int regnum;
-+
-+ kgdb_hex2mem(&remcom_in_buffer[1], (char *)®num,
-+ sizeof(regnum));
-+ regnum = check_packet(regnum, &remcom_in_buffer[1]);
-+ if (regnum >= NUM_REGS) {
-+ remcom_out_buffer[0] = 'E';
-+ remcom_out_buffer[1] = 0;
-+ } else
-+ kgdb_get_reg(remcom_out_buffer, regnum,
-+ unw_info, linux_regs);
-+ break;
-+ }
-+ case 'P':
-+ {
-+ unsigned int regno;
-+ long v;
-+ char *ptr;
-+
-+ ptr = &remcom_in_buffer[1];
-+ if ((!kgdb_usethread || kgdb_usethread == current) &&
-+ kgdb_hex2long(&ptr, &v) &&
-+ *ptr++ == '=' && (v >= 0)) {
-+ regno = (unsigned int)v;
-+ regno = (regno >= NUM_REGS ? 0 : regno);
-+ kgdb_put_reg(ptr, remcom_out_buffer, regno,
-+ unw_info, linux_regs);
-+ } else
-+ strcpy(remcom_out_buffer, "E01");
-+ break;
-+ }
-+ case 'c':
-+ case 's':
-+ if (e_vector == TRAP_BRKPT && err_code == KGDBBREAKNUM) {
-+ if (ia64_psr(linux_regs)->ri < 2)
-+ kgdb_pc(linux_regs, linux_regs->cr_iip +
-+ ia64_psr(linux_regs)->ri + 1);
-+ else
-+ kgdb_pc(linux_regs, linux_regs->cr_iip + 16);
-+ }
-+
-+ /* try to read optional parameter, pc unchanged if no parm */
-+ ptr = &remcom_in_buffer[1];
-+ if (kgdb_hex2long(&ptr, &addr)) {
-+ linux_regs->cr_iip = addr;
-+ }
-+ newPC = linux_regs->cr_iip;
-+
-+ /* clear the trace bit */
-+ linux_regs->cr_ipsr &= ~IA64_PSR_SS;
-+
-+ atomic_set(&cpu_doing_single_step, -1);
-+
-+ /* set the trace bit if we're stepping or took a hardware break */
-+ if (remcom_in_buffer[0] == 's' || e_vector == TRAP_HWBKPT) {
-+ linux_regs->cr_ipsr |= IA64_PSR_SS;
-+ debugger_step = 1;
-+ if (kgdb_contthread)
-+ atomic_set(&cpu_doing_single_step,
-+ smp_processor_id());
-+ }
-+
-+ kgdb_correct_hw_break();
-+
-+ /* if not hardware breakpoint, then reenable them */
-+ if (e_vector != TRAP_HWBKPT)
-+ linux_regs->cr_ipsr |= IA64_PSR_DB;
-+ else {
-+ kgdb_hwbreak_sstep[smp_processor_id()] = 1;
-+ linux_regs->cr_ipsr &= ~IA64_PSR_DB;
-+ }
-+
-+ info->ret = 0;
-+ break;
-+ default:
-+ break;
-+ }
-+
-+ return;
-+}
-+
-+struct kgdb_arch arch_kgdb_ops = {
-+ .set_hw_breakpoint = kgdb_arch_set_hw_breakpoint,
-+ .remove_hw_breakpoint = kgdb_arch_remove_hw_breakpoint,
-+ .gdb_bpt_instr = {0xcc},
-+ .flags = KGDB_HW_BREAKPOINT,
-+};
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/kernel/process.c linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/process.c
---- linux-2.6.18-53.1.14/arch/ia64/kernel/process.c 2008-03-06 05:55:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/process.c 2008-06-10 15:39:39.000000000 +0400
-@@ -463,6 +463,9 @@ copy_thread (int nr, unsigned long clone
- */
- child_ptregs->cr_ipsr = ((child_ptregs->cr_ipsr | IA64_PSR_BITS_TO_SET)
- & ~(IA64_PSR_BITS_TO_CLEAR | IA64_PSR_PP | IA64_PSR_UP));
-+#ifdef CONFIG_KGDB
-+ child_ptregs->cr_ipsr |= IA64_PSR_DB;
-+#endif
-
- /*
- * NOTE: The calling convention considers all floating point
-@@ -691,6 +694,9 @@ kernel_thread (int (*fn)(void *), void *
- regs.pt.r11 = (unsigned long) arg; /* 2nd argument */
- /* Preserve PSR bits, except for bits 32-34 and 37-45, which we can't read. */
- regs.pt.cr_ipsr = ia64_getreg(_IA64_REG_PSR) | IA64_PSR_BN;
-+#ifdef CONFIG_KGDB
-+ regs.pt.cr_ipsr |= IA64_PSR_DB;
-+#endif
- regs.pt.cr_ifs = 1UL << 63; /* mark as valid, empty frame */
- regs.sw.ar_fpsr = regs.pt.ar_fpsr = ia64_getreg(_IA64_REG_AR_FPSR);
- regs.sw.ar_bspstore = (unsigned long) current + IA64_RBS_OFFSET;
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/kernel/smp.c linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/smp.c
---- linux-2.6.18-53.1.14/arch/ia64/kernel/smp.c 2008-03-06 05:54:27.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/smp.c 2008-06-10 15:38:32.000000000 +0400
-@@ -48,6 +48,7 @@
- #include <asm/tlbflush.h>
- #include <asm/unistd.h>
- #include <asm/mca.h>
-+#include <linux/kgdb.h>
-
- /*
- * Structure and data for smp_call_function(). This is designed to minimise static memory
-@@ -68,6 +69,9 @@ static volatile struct call_data_struct
- #define IPI_CALL_FUNC 0
- #define IPI_CPU_STOP 1
- #define IPI_KDUMP_CPU_STOP 3
-+#ifdef CONFIG_KGDB
-+#define IPI_KGDB_INTERRUPT 2
-+#endif
-
- /* This needs to be cacheline aligned because it is written to by *other* CPUs. */
- static DEFINE_PER_CPU(u64, ipi_operation) ____cacheline_aligned;
-@@ -185,6 +189,11 @@ handle_IPI (int irq, void *dev_id, struc
- case IPI_CPU_STOP:
- stop_this_cpu();
- break;
-+#ifdef CONFIG_KGDB
-+ case IPI_KGDB_INTERRUPT:
-+ kgdb_wait_ipi(regs);
-+ break;
-+#endif
- #ifdef CONFIG_CRASH_DUMP
- case IPI_KDUMP_CPU_STOP:
- unw_init_running(kdump_cpu_freeze, NULL);
-@@ -359,6 +368,14 @@ smp_call_function_single (int cpuid, voi
- }
- EXPORT_SYMBOL(smp_call_function_single);
-
-+#ifdef CONFIG_KGDB
-+void
-+smp_send_nmi_allbutself(void)
-+{
-+ send_IPI_allbutself(IPI_KGDB_INTERRUPT);
-+}
-+#endif
-+
- /*
- * this function sends a 'generic call function' IPI to all other CPUs
- * in the system.
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/kernel/traps.c linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/traps.c
---- linux-2.6.18-53.1.14/arch/ia64/kernel/traps.c 2008-03-06 05:54:44.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/traps.c 2008-06-10 15:38:32.000000000 +0400
-@@ -200,8 +200,12 @@ __kprobes ia64_bad_break (unsigned long
- break;
-
- default:
-- if (break_num < 0x40000 || break_num > 0x100000)
-+ if (break_num < 0x40000 || break_num > 0x100000) {
-+ if (notify_die(DIE_BREAK, "bad break", regs,
-+ break_num, TRAP_BRKPT, SIGTRAP) == NOTIFY_STOP)
-+ return;
- die_if_kernel("Bad break", regs, break_num);
-+ }
-
- if (break_num < 0x80000) {
- sig = SIGILL; code = __ILL_BREAK;
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/kernel/unwind.c linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/unwind.c
---- linux-2.6.18-53.1.14/arch/ia64/kernel/unwind.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/kernel/unwind.c 2008-06-10 15:39:39.000000000 +0400
-@@ -72,10 +72,68 @@
- # define STAT(x...)
- #endif
-
-+#ifdef CONFIG_KGDB
-+#define KGDB_EARLY_SIZE 100
-+static struct unw_reg_state __initdata kgdb_reg_state[KGDB_EARLY_SIZE];
-+static struct unw_labeled_state __initdata kgdb_labeled_state[KGDB_EARLY_SIZE];
-+void __initdata *kgdb_reg_state_free, __initdata *kgdb_labeled_state_free;
-+
-+static void __init
-+kgdb_malloc_init(void)
-+{
-+ int i;
-+
-+ kgdb_reg_state_free = kgdb_reg_state;
-+ for (i = 1; i < KGDB_EARLY_SIZE; i++) {
-+ *((unsigned long *) &kgdb_reg_state[i]) = (unsigned long) kgdb_reg_state_free;
-+ kgdb_reg_state_free = &kgdb_reg_state[i];
-+ }
-+
-+ kgdb_labeled_state_free = kgdb_labeled_state;
-+ for (i = 1; i < KGDB_EARLY_SIZE; i++) {
-+ *((unsigned long *) &kgdb_labeled_state[i]) =
-+ (unsigned long) kgdb_labeled_state_free;
-+ kgdb_labeled_state_free = &kgdb_labeled_state[i];
-+ }
-+
-+}
-+
-+static void * __init
-+kgdb_malloc(void **mem)
-+{
-+ void *p;
-+
-+ p = *mem;
-+ *mem = *((void **) p);
-+ return p;
-+}
-+
-+static void __init
-+kgdb_free(void **mem, void *p)
-+{
-+ *((void **)p) = *mem;
-+ *mem = p;
-+}
-+
-+#define alloc_reg_state() (!malloc_sizes[0].cs_cachep ? \
-+ kgdb_malloc(&kgdb_reg_state_free) : \
-+ kmalloc(sizeof(struct unw_reg_state), GFP_ATOMIC))
-+#define free_reg_state(usr) (!malloc_sizes[0].cs_cachep ? \
-+ kgdb_free(&kgdb_reg_state_free, usr) : \
-+ kfree(usr))
-+#define alloc_labeled_state() (!malloc_sizes[0].cs_cachep ? \
-+ kgdb_malloc(&kgdb_labeled_state_free) : \
-+ kmalloc(sizeof(struct unw_labeled_state), GFP_ATOMIC))
-+#define free_labeled_state(usr) (!malloc_sizes[0].cs_cachep ? \
-+ kgdb_free(&kgdb_labeled_state_free, usr) : \
-+ kfree(usr))
-+
-+#else
- #define alloc_reg_state() kmalloc(sizeof(struct unw_reg_state), GFP_ATOMIC)
- #define free_reg_state(usr) kfree(usr)
- #define alloc_labeled_state() kmalloc(sizeof(struct unw_labeled_state), GFP_ATOMIC)
- #define free_labeled_state(usr) kfree(usr)
-+#endif
-
- typedef unsigned long unw_word;
- typedef unsigned char unw_hash_index_t;
-@@ -238,6 +296,24 @@ static struct {
- #endif
- };
-
-+#ifdef CONFIG_KGDB
-+/*
-+ * This makes it safe to call breakpoint() very early
-+ * in setup_arch providing:
-+ * 1) breakpoint isn't called between lines in cpu_init
-+ * where init_mm.mm_count is incremented and ia64_mmu_init
-+ * is called. Otherwise the test below is invalid.
-+ * 2) the memory examined doesn't result in tlbmiss.
-+ */
-+static unsigned long inline kgdb_unimpl_va_mask(void)
-+{
-+ if (atomic_read(&init_mm.mm_count) > 1)
-+ return local_cpu_data->unimpl_va_mask;
-+ else
-+ return 0UL;
-+}
-+#endif
-+
- static inline int
- read_only (void *addr)
- {
-@@ -1786,7 +1862,11 @@ run_script (struct unw_script *script, s
-
- case UNW_INSN_LOAD:
- #ifdef UNW_DEBUG
-+#ifdef CONFIG_KGDB
-+ if ((s[val] & (kgdb_unimpl_va_mask() | 0x7)) != 0
-+#else
- if ((s[val] & (local_cpu_data->unimpl_va_mask | 0x7)) != 0
-+#endif
- || s[val] < TASK_SIZE)
- {
- UNW_DPRINT(0, "unwind.%s: rejecting bad psp=0x%lx\n",
-@@ -1821,7 +1901,11 @@ find_save_locs (struct unw_frame_info *i
- struct unw_script *scr;
- unsigned long flags = 0;
-
-+#ifdef CONFIG_KGDB
-+ if ((info->ip & (kgdb_unimpl_va_mask() | 0xf)) || info->ip < TASK_SIZE) {
-+#else
- if ((info->ip & (local_cpu_data->unimpl_va_mask | 0xf)) || info->ip < TASK_SIZE) {
-+#endif
- /* don't let obviously bad addresses pollute the cache */
- /* FIXME: should really be level 0 but it occurs too often. KAO */
- UNW_DPRINT(1, "unwind.%s: rejecting bad ip=0x%lx\n", __FUNCTION__, info->ip);
-@@ -2249,6 +2333,9 @@ unw_init (void)
-
- init_unwind_table(&unw.kernel_table, "kernel", KERNEL_START, (unsigned long) __gp,
- __start_unwind, __end_unwind);
-+#ifdef CONFIG_KGDB
-+ kgdb_malloc_init();
-+#endif
- }
-
- /*
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/mm/extable.c linux-2.6.18-53.1.14.kgdb/arch/ia64/mm/extable.c
---- linux-2.6.18-53.1.14/arch/ia64/mm/extable.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/mm/extable.c 2008-06-10 15:38:32.000000000 +0400
-@@ -6,6 +6,7 @@
- */
-
- #include <linux/sort.h>
-+#include <linux/kgdb.h>
-
- #include <asm/uaccess.h>
- #include <asm/module.h>
-@@ -73,6 +74,11 @@ search_extable (const struct exception_t
- else
- last = mid - 1;
- }
-+#ifdef CONFIG_KGDB
-+ if (atomic_read(&debugger_active) && kgdb_may_fault)
-+ kgdb_fault_longjmp(kgdb_fault_jmp_regs);
-+ /* Not reached. */
-+#endif
- return NULL;
- }
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ia64/mm/fault.c linux-2.6.18-53.1.14.kgdb/arch/ia64/mm/fault.c
---- linux-2.6.18-53.1.14/arch/ia64/mm/fault.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ia64/mm/fault.c 2008-06-10 15:38:32.000000000 +0400
-@@ -266,6 +266,10 @@ ia64_do_page_fault (unsigned long addres
- */
- bust_spinlocks(1);
-
-+ if (notify_die(DIE_PAGE_FAULT_NO_CONTEXT, "no context", regs,
-+ isr, 14, SIGSEGV) == NOTIFY_STOP)
-+ return;
-+
- if (address < PAGE_SIZE)
- printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference (address %016lx)\n", address);
- else
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/Kconfig.debug linux-2.6.18-53.1.14.kgdb/arch/mips/Kconfig.debug
---- linux-2.6.18-53.1.14/arch/mips/Kconfig.debug 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/Kconfig.debug 2008-06-10 15:38:24.000000000 +0400
-@@ -37,25 +37,6 @@ config DEBUG_STACK_USAGE
-
- This option will slow down process creation somewhat.
-
--config KGDB
-- bool "Remote GDB kernel debugging"
-- depends on DEBUG_KERNEL
-- select DEBUG_INFO
-- help
-- If you say Y here, it will be possible to remotely debug the MIPS
-- kernel using gdb. This enlarges your kernel image disk size by
-- several megabytes and requires a machine with more than 16 MB,
-- better 32 MB RAM to avoid excessive linking time. This is only
-- useful for kernel hackers. If unsure, say N.
--
--config GDB_CONSOLE
-- bool "Console output to GDB"
-- depends on KGDB
-- help
-- If you are using GDB for remote debugging over a serial port and
-- would like kernel messages to be formatted into GDB $O packets so
-- that GDB prints them as program output, say 'Y'.
--
- config SB1XXX_CORELIS
- bool "Corelis Debugger"
- depends on SIBYTE_SB1xxx_SOC
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/kernel/Makefile linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/Makefile
---- linux-2.6.18-53.1.14/arch/mips/kernel/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/Makefile 2008-06-10 15:38:24.000000000 +0400
-@@ -59,7 +59,8 @@ obj-$(CONFIG_MIPS32_COMPAT) += linux32.o
- obj-$(CONFIG_MIPS32_N32) += binfmt_elfn32.o scall64-n32.o signal_n32.o
- obj-$(CONFIG_MIPS32_O32) += binfmt_elfo32.o scall64-o32.o ptrace32.o
-
--obj-$(CONFIG_KGDB) += gdb-low.o gdb-stub.o
-+obj-$(CONFIG_KGDB) += kgdb_handler.o kgdb.o kgdb-jmp.o \
-+ kgdb-setjmp.o
- obj-$(CONFIG_PROC_FS) += proc.o
-
- obj-$(CONFIG_64BIT) += cpu-bugs64.o
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/kernel/gdb-low.S linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/gdb-low.S
---- linux-2.6.18-53.1.14/arch/mips/kernel/gdb-low.S 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/gdb-low.S 1970-01-01 03:00:00.000000000 +0300
-@@ -1,394 +0,0 @@
--/*
-- * gdb-low.S contains the low-level trap handler for the GDB stub.
-- *
-- * Copyright (C) 1995 Andreas Busse
-- */
--#include <linux/sys.h>
--
--#include <asm/asm.h>
--#include <asm/errno.h>
--#include <asm/irqflags.h>
--#include <asm/mipsregs.h>
--#include <asm/regdef.h>
--#include <asm/stackframe.h>
--#include <asm/gdb-stub.h>
--
--#ifdef CONFIG_32BIT
--#define DMFC0 mfc0
--#define DMTC0 mtc0
--#define LDC1 lwc1
--#define SDC1 lwc1
--#endif
--#ifdef CONFIG_64BIT
--#define DMFC0 dmfc0
--#define DMTC0 dmtc0
--#define LDC1 ldc1
--#define SDC1 ldc1
--#endif
--
--/*
-- * [jsun] We reserves about 2x GDB_FR_SIZE in stack. The lower (addressed)
-- * part is used to store registers and passed to exception handler.
-- * The upper part is reserved for "call func" feature where gdb client
-- * saves some of the regs, setups call frame and passes args.
-- *
-- * A trace shows about 200 bytes are used to store about half of all regs.
-- * The rest should be big enough for frame setup and passing args.
-- */
--
--/*
-- * The low level trap handler
-- */
-- .align 5
-- NESTED(trap_low, GDB_FR_SIZE, sp)
-- .set noat
-- .set noreorder
--
-- mfc0 k0, CP0_STATUS
-- sll k0, 3 /* extract cu0 bit */
-- bltz k0, 1f
-- move k1, sp
--
-- /*
-- * Called from user mode, go somewhere else.
-- */
-- mfc0 k0, CP0_CAUSE
-- andi k0, k0, 0x7c
--#ifdef CONFIG_64BIT
-- dsll k0, k0, 1
--#endif
-- PTR_L k1, saved_vectors(k0)
-- jr k1
-- nop
--1:
-- move k0, sp
-- PTR_SUBU sp, k1, GDB_FR_SIZE*2 # see comment above
-- LONG_S k0, GDB_FR_REG29(sp)
-- LONG_S $2, GDB_FR_REG2(sp)
--
--/*
-- * First save the CP0 and special registers
-- */
--
-- mfc0 v0, CP0_STATUS
-- LONG_S v0, GDB_FR_STATUS(sp)
-- mfc0 v0, CP0_CAUSE
-- LONG_S v0, GDB_FR_CAUSE(sp)
-- DMFC0 v0, CP0_EPC
-- LONG_S v0, GDB_FR_EPC(sp)
-- DMFC0 v0, CP0_BADVADDR
-- LONG_S v0, GDB_FR_BADVADDR(sp)
-- mfhi v0
-- LONG_S v0, GDB_FR_HI(sp)
-- mflo v0
-- LONG_S v0, GDB_FR_LO(sp)
--
--/*
-- * Now the integer registers
-- */
--
-- LONG_S zero, GDB_FR_REG0(sp) /* I know... */
-- LONG_S $1, GDB_FR_REG1(sp)
-- /* v0 already saved */
-- LONG_S $3, GDB_FR_REG3(sp)
-- LONG_S $4, GDB_FR_REG4(sp)
-- LONG_S $5, GDB_FR_REG5(sp)
-- LONG_S $6, GDB_FR_REG6(sp)
-- LONG_S $7, GDB_FR_REG7(sp)
-- LONG_S $8, GDB_FR_REG8(sp)
-- LONG_S $9, GDB_FR_REG9(sp)
-- LONG_S $10, GDB_FR_REG10(sp)
-- LONG_S $11, GDB_FR_REG11(sp)
-- LONG_S $12, GDB_FR_REG12(sp)
-- LONG_S $13, GDB_FR_REG13(sp)
-- LONG_S $14, GDB_FR_REG14(sp)
-- LONG_S $15, GDB_FR_REG15(sp)
-- LONG_S $16, GDB_FR_REG16(sp)
-- LONG_S $17, GDB_FR_REG17(sp)
-- LONG_S $18, GDB_FR_REG18(sp)
-- LONG_S $19, GDB_FR_REG19(sp)
-- LONG_S $20, GDB_FR_REG20(sp)
-- LONG_S $21, GDB_FR_REG21(sp)
-- LONG_S $22, GDB_FR_REG22(sp)
-- LONG_S $23, GDB_FR_REG23(sp)
-- LONG_S $24, GDB_FR_REG24(sp)
-- LONG_S $25, GDB_FR_REG25(sp)
-- LONG_S $26, GDB_FR_REG26(sp)
-- LONG_S $27, GDB_FR_REG27(sp)
-- LONG_S $28, GDB_FR_REG28(sp)
-- /* sp already saved */
-- LONG_S $30, GDB_FR_REG30(sp)
-- LONG_S $31, GDB_FR_REG31(sp)
--
-- CLI /* disable interrupts */
-- TRACE_IRQS_OFF
--
--/*
-- * Followed by the floating point registers
-- */
-- mfc0 v0, CP0_STATUS /* FPU enabled? */
-- srl v0, v0, 16
-- andi v0, v0, (ST0_CU1 >> 16)
--
-- beqz v0,2f /* disabled, skip */
-- nop
--
-- SDC1 $0, GDB_FR_FPR0(sp)
-- SDC1 $1, GDB_FR_FPR1(sp)
-- SDC1 $2, GDB_FR_FPR2(sp)
-- SDC1 $3, GDB_FR_FPR3(sp)
-- SDC1 $4, GDB_FR_FPR4(sp)
-- SDC1 $5, GDB_FR_FPR5(sp)
-- SDC1 $6, GDB_FR_FPR6(sp)
-- SDC1 $7, GDB_FR_FPR7(sp)
-- SDC1 $8, GDB_FR_FPR8(sp)
-- SDC1 $9, GDB_FR_FPR9(sp)
-- SDC1 $10, GDB_FR_FPR10(sp)
-- SDC1 $11, GDB_FR_FPR11(sp)
-- SDC1 $12, GDB_FR_FPR12(sp)
-- SDC1 $13, GDB_FR_FPR13(sp)
-- SDC1 $14, GDB_FR_FPR14(sp)
-- SDC1 $15, GDB_FR_FPR15(sp)
-- SDC1 $16, GDB_FR_FPR16(sp)
-- SDC1 $17, GDB_FR_FPR17(sp)
-- SDC1 $18, GDB_FR_FPR18(sp)
-- SDC1 $19, GDB_FR_FPR19(sp)
-- SDC1 $20, GDB_FR_FPR20(sp)
-- SDC1 $21, GDB_FR_FPR21(sp)
-- SDC1 $22, GDB_FR_FPR22(sp)
-- SDC1 $23, GDB_FR_FPR23(sp)
-- SDC1 $24, GDB_FR_FPR24(sp)
-- SDC1 $25, GDB_FR_FPR25(sp)
-- SDC1 $26, GDB_FR_FPR26(sp)
-- SDC1 $27, GDB_FR_FPR27(sp)
-- SDC1 $28, GDB_FR_FPR28(sp)
-- SDC1 $29, GDB_FR_FPR29(sp)
-- SDC1 $30, GDB_FR_FPR30(sp)
-- SDC1 $31, GDB_FR_FPR31(sp)
--
--/*
-- * FPU control registers
-- */
--
-- cfc1 v0, CP1_STATUS
-- LONG_S v0, GDB_FR_FSR(sp)
-- cfc1 v0, CP1_REVISION
-- LONG_S v0, GDB_FR_FIR(sp)
--
--/*
-- * Current stack frame ptr
-- */
--
--2:
-- LONG_S sp, GDB_FR_FRP(sp)
--
--/*
-- * CP0 registers (R4000/R4400 unused registers skipped)
-- */
--
-- mfc0 v0, CP0_INDEX
-- LONG_S v0, GDB_FR_CP0_INDEX(sp)
-- mfc0 v0, CP0_RANDOM
-- LONG_S v0, GDB_FR_CP0_RANDOM(sp)
-- DMFC0 v0, CP0_ENTRYLO0
-- LONG_S v0, GDB_FR_CP0_ENTRYLO0(sp)
-- DMFC0 v0, CP0_ENTRYLO1
-- LONG_S v0, GDB_FR_CP0_ENTRYLO1(sp)
-- DMFC0 v0, CP0_CONTEXT
-- LONG_S v0, GDB_FR_CP0_CONTEXT(sp)
-- mfc0 v0, CP0_PAGEMASK
-- LONG_S v0, GDB_FR_CP0_PAGEMASK(sp)
-- mfc0 v0, CP0_WIRED
-- LONG_S v0, GDB_FR_CP0_WIRED(sp)
-- DMFC0 v0, CP0_ENTRYHI
-- LONG_S v0, GDB_FR_CP0_ENTRYHI(sp)
-- mfc0 v0, CP0_PRID
-- LONG_S v0, GDB_FR_CP0_PRID(sp)
--
-- .set at
--
--/*
-- * Continue with the higher level handler
-- */
--
-- move a0,sp
--
-- jal handle_exception
-- nop
--
--/*
-- * Restore all writable registers, in reverse order
-- */
--
-- .set noat
--
-- LONG_L v0, GDB_FR_CP0_ENTRYHI(sp)
-- LONG_L v1, GDB_FR_CP0_WIRED(sp)
-- DMTC0 v0, CP0_ENTRYHI
-- mtc0 v1, CP0_WIRED
-- LONG_L v0, GDB_FR_CP0_PAGEMASK(sp)
-- LONG_L v1, GDB_FR_CP0_ENTRYLO1(sp)
-- mtc0 v0, CP0_PAGEMASK
-- DMTC0 v1, CP0_ENTRYLO1
-- LONG_L v0, GDB_FR_CP0_ENTRYLO0(sp)
-- LONG_L v1, GDB_FR_CP0_INDEX(sp)
-- DMTC0 v0, CP0_ENTRYLO0
-- LONG_L v0, GDB_FR_CP0_CONTEXT(sp)
-- mtc0 v1, CP0_INDEX
-- DMTC0 v0, CP0_CONTEXT
--
--
--/*
-- * Next, the floating point registers
-- */
-- mfc0 v0, CP0_STATUS /* check if the FPU is enabled */
-- srl v0, v0, 16
-- andi v0, v0, (ST0_CU1 >> 16)
--
-- beqz v0, 3f /* disabled, skip */
-- nop
--
-- LDC1 $31, GDB_FR_FPR31(sp)
-- LDC1 $30, GDB_FR_FPR30(sp)
-- LDC1 $29, GDB_FR_FPR29(sp)
-- LDC1 $28, GDB_FR_FPR28(sp)
-- LDC1 $27, GDB_FR_FPR27(sp)
-- LDC1 $26, GDB_FR_FPR26(sp)
-- LDC1 $25, GDB_FR_FPR25(sp)
-- LDC1 $24, GDB_FR_FPR24(sp)
-- LDC1 $23, GDB_FR_FPR23(sp)
-- LDC1 $22, GDB_FR_FPR22(sp)
-- LDC1 $21, GDB_FR_FPR21(sp)
-- LDC1 $20, GDB_FR_FPR20(sp)
-- LDC1 $19, GDB_FR_FPR19(sp)
-- LDC1 $18, GDB_FR_FPR18(sp)
-- LDC1 $17, GDB_FR_FPR17(sp)
-- LDC1 $16, GDB_FR_FPR16(sp)
-- LDC1 $15, GDB_FR_FPR15(sp)
-- LDC1 $14, GDB_FR_FPR14(sp)
-- LDC1 $13, GDB_FR_FPR13(sp)
-- LDC1 $12, GDB_FR_FPR12(sp)
-- LDC1 $11, GDB_FR_FPR11(sp)
-- LDC1 $10, GDB_FR_FPR10(sp)
-- LDC1 $9, GDB_FR_FPR9(sp)
-- LDC1 $8, GDB_FR_FPR8(sp)
-- LDC1 $7, GDB_FR_FPR7(sp)
-- LDC1 $6, GDB_FR_FPR6(sp)
-- LDC1 $5, GDB_FR_FPR5(sp)
-- LDC1 $4, GDB_FR_FPR4(sp)
-- LDC1 $3, GDB_FR_FPR3(sp)
-- LDC1 $2, GDB_FR_FPR2(sp)
-- LDC1 $1, GDB_FR_FPR1(sp)
-- LDC1 $0, GDB_FR_FPR0(sp)
--
--/*
-- * Now the CP0 and integer registers
-- */
--
--3:
--#ifdef CONFIG_MIPS_MT_SMTC
-- /* Read-modify write of Status must be atomic */
-- mfc0 t2, CP0_TCSTATUS
-- ori t1, t2, TCSTATUS_IXMT
-- mtc0 t1, CP0_TCSTATUS
-- andi t2, t2, TCSTATUS_IXMT
-- _ehb
-- DMT 9 # dmt t1
-- jal mips_ihb
-- nop
--#endif /* CONFIG_MIPS_MT_SMTC */
-- mfc0 t0, CP0_STATUS
-- ori t0, 0x1f
-- xori t0, 0x1f
-- mtc0 t0, CP0_STATUS
--#ifdef CONFIG_MIPS_MT_SMTC
-- andi t1, t1, VPECONTROL_TE
-- beqz t1, 9f
-- nop
-- EMT # emt
--9:
-- mfc0 t1, CP0_TCSTATUS
-- xori t1, t1, TCSTATUS_IXMT
-- or t1, t1, t2
-- mtc0 t1, CP0_TCSTATUS
-- _ehb
--#endif /* CONFIG_MIPS_MT_SMTC */
-- LONG_L v0, GDB_FR_STATUS(sp)
-- LONG_L v1, GDB_FR_EPC(sp)
-- mtc0 v0, CP0_STATUS
-- DMTC0 v1, CP0_EPC
-- LONG_L v0, GDB_FR_HI(sp)
-- LONG_L v1, GDB_FR_LO(sp)
-- mthi v0
-- mtlo v1
-- LONG_L $31, GDB_FR_REG31(sp)
-- LONG_L $30, GDB_FR_REG30(sp)
-- LONG_L $28, GDB_FR_REG28(sp)
-- LONG_L $27, GDB_FR_REG27(sp)
-- LONG_L $26, GDB_FR_REG26(sp)
-- LONG_L $25, GDB_FR_REG25(sp)
-- LONG_L $24, GDB_FR_REG24(sp)
-- LONG_L $23, GDB_FR_REG23(sp)
-- LONG_L $22, GDB_FR_REG22(sp)
-- LONG_L $21, GDB_FR_REG21(sp)
-- LONG_L $20, GDB_FR_REG20(sp)
-- LONG_L $19, GDB_FR_REG19(sp)
-- LONG_L $18, GDB_FR_REG18(sp)
-- LONG_L $17, GDB_FR_REG17(sp)
-- LONG_L $16, GDB_FR_REG16(sp)
-- LONG_L $15, GDB_FR_REG15(sp)
-- LONG_L $14, GDB_FR_REG14(sp)
-- LONG_L $13, GDB_FR_REG13(sp)
-- LONG_L $12, GDB_FR_REG12(sp)
-- LONG_L $11, GDB_FR_REG11(sp)
-- LONG_L $10, GDB_FR_REG10(sp)
-- LONG_L $9, GDB_FR_REG9(sp)
-- LONG_L $8, GDB_FR_REG8(sp)
-- LONG_L $7, GDB_FR_REG7(sp)
-- LONG_L $6, GDB_FR_REG6(sp)
-- LONG_L $5, GDB_FR_REG5(sp)
-- LONG_L $4, GDB_FR_REG4(sp)
-- LONG_L $3, GDB_FR_REG3(sp)
-- LONG_L $2, GDB_FR_REG2(sp)
-- LONG_L $1, GDB_FR_REG1(sp)
--#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
-- LONG_L k0, GDB_FR_EPC(sp)
-- LONG_L $29, GDB_FR_REG29(sp) /* Deallocate stack */
-- jr k0
-- rfe
--#else
-- LONG_L sp, GDB_FR_REG29(sp) /* Deallocate stack */
--
-- .set mips3
-- eret
-- .set mips0
--#endif
-- .set at
-- .set reorder
-- END(trap_low)
--
--LEAF(kgdb_read_byte)
--4: lb t0, (a0)
-- sb t0, (a1)
-- li v0, 0
-- jr ra
-- .section __ex_table,"a"
-- PTR 4b, kgdbfault
-- .previous
-- END(kgdb_read_byte)
--
--LEAF(kgdb_write_byte)
--5: sb a0, (a1)
-- li v0, 0
-- jr ra
-- .section __ex_table,"a"
-- PTR 5b, kgdbfault
-- .previous
-- END(kgdb_write_byte)
--
-- .type kgdbfault@function
-- .ent kgdbfault
--
--kgdbfault: li v0, -EFAULT
-- jr ra
-- .end kgdbfault
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/kernel/gdb-stub.c linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/gdb-stub.c
---- linux-2.6.18-53.1.14/arch/mips/kernel/gdb-stub.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/gdb-stub.c 1970-01-01 03:00:00.000000000 +0300
-@@ -1,1154 +0,0 @@
--/*
-- * arch/mips/kernel/gdb-stub.c
-- *
-- * Originally written by Glenn Engel, Lake Stevens Instrument Division
-- *
-- * Contributed by HP Systems
-- *
-- * Modified for SPARC by Stu Grossman, Cygnus Support.
-- *
-- * Modified for Linux/MIPS (and MIPS in general) by Andreas Busse
-- * Send complaints, suggestions etc. to <andy@waldorf-gmbh.de>
-- *
-- * Copyright (C) 1995 Andreas Busse
-- *
-- * Copyright (C) 2003 MontaVista Software Inc.
-- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
-- */
--
--/*
-- * To enable debugger support, two things need to happen. One, a
-- * call to set_debug_traps() is necessary in order to allow any breakpoints
-- * or error conditions to be properly intercepted and reported to gdb.
-- * Two, a breakpoint needs to be generated to begin communication. This
-- * is most easily accomplished by a call to breakpoint(). Breakpoint()
-- * simulates a breakpoint by executing a BREAK instruction.
-- *
-- *
-- * The following gdb commands are supported:
-- *
-- * command function Return value
-- *
-- * g return the value of the CPU registers hex data or ENN
-- * G set the value of the CPU registers OK or ENN
-- *
-- * mAA..AA,LLLL Read LLLL bytes at address AA..AA hex data or ENN
-- * MAA..AA,LLLL: Write LLLL bytes at address AA.AA OK or ENN
-- *
-- * c Resume at current address SNN ( signal NN)
-- * cAA..AA Continue at address AA..AA SNN
-- *
-- * s Step one instruction SNN
-- * sAA..AA Step one instruction from AA..AA SNN
-- *
-- * k kill
-- *
-- * ? What was the last sigval ? SNN (signal NN)
-- *
-- * bBB..BB Set baud rate to BB..BB OK or BNN, then sets
-- * baud rate
-- *
-- * All commands and responses are sent with a packet which includes a
-- * checksum. A packet consists of
-- *
-- * $<packet info>#<checksum>.
-- *
-- * where
-- * <packet info> :: <characters representing the command or response>
-- * <checksum> :: < two hex digits computed as modulo 256 sum of <packetinfo>>
-- *
-- * When a packet is received, it is first acknowledged with either '+' or '-'.
-- * '+' indicates a successful transfer. '-' indicates a failed transfer.
-- *
-- * Example:
-- *
-- * Host: Reply:
-- * $m0,10#2a +$00010203040506070809101112131415#42
-- *
-- *
-- * ==============
-- * MORE EXAMPLES:
-- * ==============
-- *
-- * For reference -- the following are the steps that one
-- * company took (RidgeRun Inc) to get remote gdb debugging
-- * going. In this scenario the host machine was a PC and the
-- * target platform was a Galileo EVB64120A MIPS evaluation
-- * board.
-- *
-- * Step 1:
-- * First download gdb-5.0.tar.gz from the internet.
-- * and then build/install the package.
-- *
-- * Example:
-- * $ tar zxf gdb-5.0.tar.gz
-- * $ cd gdb-5.0
-- * $ ./configure --target=mips-linux-elf
-- * $ make
-- * $ install
-- * $ which mips-linux-elf-gdb
-- * /usr/local/bin/mips-linux-elf-gdb
-- *
-- * Step 2:
-- * Configure linux for remote debugging and build it.
-- *
-- * Example:
-- * $ cd ~/linux
-- * $ make menuconfig <go to "Kernel Hacking" and turn on remote debugging>
-- * $ make
-- *
-- * Step 3:
-- * Download the kernel to the remote target and start
-- * the kernel running. It will promptly halt and wait
-- * for the host gdb session to connect. It does this
-- * since the "Kernel Hacking" option has defined
-- * CONFIG_KGDB which in turn enables your calls
-- * to:
-- * set_debug_traps();
-- * breakpoint();
-- *
-- * Step 4:
-- * Start the gdb session on the host.
-- *
-- * Example:
-- * $ mips-linux-elf-gdb vmlinux
-- * (gdb) set remotebaud 115200
-- * (gdb) target remote /dev/ttyS1
-- * ...at this point you are connected to
-- * the remote target and can use gdb
-- * in the normal fasion. Setting
-- * breakpoints, single stepping,
-- * printing variables, etc.
-- */
--#include <linux/string.h>
--#include <linux/kernel.h>
--#include <linux/signal.h>
--#include <linux/sched.h>
--#include <linux/mm.h>
--#include <linux/console.h>
--#include <linux/init.h>
--#include <linux/smp.h>
--#include <linux/spinlock.h>
--#include <linux/slab.h>
--#include <linux/reboot.h>
--
--#include <asm/asm.h>
--#include <asm/cacheflush.h>
--#include <asm/mipsregs.h>
--#include <asm/pgtable.h>
--#include <asm/system.h>
--#include <asm/gdb-stub.h>
--#include <asm/inst.h>
--#include <asm/smp.h>
--
--/*
-- * external low-level support routines
-- */
--
--extern int putDebugChar(char c); /* write a single character */
--extern char getDebugChar(void); /* read and return a single char */
--extern void trap_low(void);
--
--/*
-- * breakpoint and test functions
-- */
--extern void breakpoint(void);
--extern void breakinst(void);
--extern void async_breakpoint(void);
--extern void async_breakinst(void);
--extern void adel(void);
--
--/*
-- * local prototypes
-- */
--
--static void getpacket(char *buffer);
--static void putpacket(char *buffer);
--static int computeSignal(int tt);
--static int hex(unsigned char ch);
--static int hexToInt(char **ptr, int *intValue);
--static int hexToLong(char **ptr, long *longValue);
--static unsigned char *mem2hex(char *mem, char *buf, int count, int may_fault);
--void handle_exception(struct gdb_regs *regs);
--
--int kgdb_enabled;
--
--/*
-- * spin locks for smp case
-- */
--static DEFINE_SPINLOCK(kgdb_lock);
--static raw_spinlock_t kgdb_cpulock[NR_CPUS] = {
-- [0 ... NR_CPUS-1] = __RAW_SPIN_LOCK_UNLOCKED,
--};
--
--/*
-- * BUFMAX defines the maximum number of characters in inbound/outbound buffers
-- * at least NUMREGBYTES*2 are needed for register packets
-- */
--#define BUFMAX 2048
--
--static char input_buffer[BUFMAX];
--static char output_buffer[BUFMAX];
--static int initialized; /* !0 means we've been initialized */
--static int kgdb_started;
--static const char hexchars[]="0123456789abcdef";
--
--/* Used to prevent crashes in memory access. Note that they'll crash anyway if
-- we haven't set up fault handlers yet... */
--int kgdb_read_byte(unsigned char *address, unsigned char *dest);
--int kgdb_write_byte(unsigned char val, unsigned char *dest);
--
--/*
-- * Convert ch from a hex digit to an int
-- */
--static int hex(unsigned char ch)
--{
-- if (ch >= 'a' && ch <= 'f')
-- return ch-'a'+10;
-- if (ch >= '0' && ch <= '9')
-- return ch-'0';
-- if (ch >= 'A' && ch <= 'F')
-- return ch-'A'+10;
-- return -1;
--}
--
--/*
-- * scan for the sequence $<data>#<checksum>
-- */
--static void getpacket(char *buffer)
--{
-- unsigned char checksum;
-- unsigned char xmitcsum;
-- int i;
-- int count;
-- unsigned char ch;
--
-- do {
-- /*
-- * wait around for the start character,
-- * ignore all other characters
-- */
-- while ((ch = (getDebugChar() & 0x7f)) != '$') ;
--
-- checksum = 0;
-- xmitcsum = -1;
-- count = 0;
--
-- /*
-- * now, read until a # or end of buffer is found
-- */
-- while (count < BUFMAX) {
-- ch = getDebugChar();
-- if (ch == '#')
-- break;
-- checksum = checksum + ch;
-- buffer[count] = ch;
-- count = count + 1;
-- }
--
-- if (count >= BUFMAX)
-- continue;
--
-- buffer[count] = 0;
--
-- if (ch == '#') {
-- xmitcsum = hex(getDebugChar() & 0x7f) << 4;
-- xmitcsum |= hex(getDebugChar() & 0x7f);
--
-- if (checksum != xmitcsum)
-- putDebugChar('-'); /* failed checksum */
-- else {
-- putDebugChar('+'); /* successful transfer */
--
-- /*
-- * if a sequence char is present,
-- * reply the sequence ID
-- */
-- if (buffer[2] == ':') {
-- putDebugChar(buffer[0]);
-- putDebugChar(buffer[1]);
--
-- /*
-- * remove sequence chars from buffer
-- */
-- count = strlen(buffer);
-- for (i=3; i <= count; i++)
-- buffer[i-3] = buffer[i];
-- }
-- }
-- }
-- }
-- while (checksum != xmitcsum);
--}
--
--/*
-- * send the packet in buffer.
-- */
--static void putpacket(char *buffer)
--{
-- unsigned char checksum;
-- int count;
-- unsigned char ch;
--
-- /*
-- * $<packet info>#<checksum>.
-- */
--
-- do {
-- putDebugChar('$');
-- checksum = 0;
-- count = 0;
--
-- while ((ch = buffer[count]) != 0) {
-- if (!(putDebugChar(ch)))
-- return;
-- checksum += ch;
-- count += 1;
-- }
--
-- putDebugChar('#');
-- putDebugChar(hexchars[checksum >> 4]);
-- putDebugChar(hexchars[checksum & 0xf]);
--
-- }
-- while ((getDebugChar() & 0x7f) != '+');
--}
--
--
--/*
-- * Convert the memory pointed to by mem into hex, placing result in buf.
-- * Return a pointer to the last char put in buf (null), in case of mem fault,
-- * return 0.
-- * may_fault is non-zero if we are reading from arbitrary memory, but is currently
-- * not used.
-- */
--static unsigned char *mem2hex(char *mem, char *buf, int count, int may_fault)
--{
-- unsigned char ch;
--
-- while (count-- > 0) {
-- if (kgdb_read_byte(mem++, &ch) != 0)
-- return 0;
-- *buf++ = hexchars[ch >> 4];
-- *buf++ = hexchars[ch & 0xf];
-- }
--
-- *buf = 0;
--
-- return buf;
--}
--
--/*
-- * convert the hex array pointed to by buf into binary to be placed in mem
-- * return a pointer to the character AFTER the last byte written
-- * may_fault is non-zero if we are reading from arbitrary memory, but is currently
-- * not used.
-- */
--static char *hex2mem(char *buf, char *mem, int count, int binary, int may_fault)
--{
-- int i;
-- unsigned char ch;
--
-- for (i=0; i<count; i++)
-- {
-- if (binary) {
-- ch = *buf++;
-- if (ch == 0x7d)
-- ch = 0x20 ^ *buf++;
-- }
-- else {
-- ch = hex(*buf++) << 4;
-- ch |= hex(*buf++);
-- }
-- if (kgdb_write_byte(ch, mem++) != 0)
-- return 0;
-- }
--
-- return mem;
--}
--
--/*
-- * This table contains the mapping between SPARC hardware trap types, and
-- * signals, which are primarily what GDB understands. It also indicates
-- * which hardware traps we need to commandeer when initializing the stub.
-- */
--static struct hard_trap_info {
-- unsigned char tt; /* Trap type code for MIPS R3xxx and R4xxx */
-- unsigned char signo; /* Signal that we map this trap into */
--} hard_trap_info[] = {
-- { 6, SIGBUS }, /* instruction bus error */
-- { 7, SIGBUS }, /* data bus error */
-- { 9, SIGTRAP }, /* break */
-- { 10, SIGILL }, /* reserved instruction */
--/* { 11, SIGILL }, */ /* CPU unusable */
-- { 12, SIGFPE }, /* overflow */
-- { 13, SIGTRAP }, /* trap */
-- { 14, SIGSEGV }, /* virtual instruction cache coherency */
-- { 15, SIGFPE }, /* floating point exception */
-- { 23, SIGSEGV }, /* watch */
-- { 31, SIGSEGV }, /* virtual data cache coherency */
-- { 0, 0} /* Must be last */
--};
--
--/* Save the normal trap handlers for user-mode traps. */
--void *saved_vectors[32];
--
--/*
-- * Set up exception handlers for tracing and breakpoints
-- */
--void set_debug_traps(void)
--{
-- struct hard_trap_info *ht;
-- unsigned long flags;
-- unsigned char c;
--
-- local_irq_save(flags);
-- for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
-- saved_vectors[ht->tt] = set_except_vector(ht->tt, trap_low);
--
-- putDebugChar('+'); /* 'hello world' */
-- /*
-- * In case GDB is started before us, ack any packets
-- * (presumably "$?#xx") sitting there.
-- */
-- while((c = getDebugChar()) != '$');
-- while((c = getDebugChar()) != '#');
-- c = getDebugChar(); /* eat first csum byte */
-- c = getDebugChar(); /* eat second csum byte */
-- putDebugChar('+'); /* ack it */
--
-- initialized = 1;
-- local_irq_restore(flags);
--}
--
--void restore_debug_traps(void)
--{
-- struct hard_trap_info *ht;
-- unsigned long flags;
--
-- local_irq_save(flags);
-- for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
-- set_except_vector(ht->tt, saved_vectors[ht->tt]);
-- local_irq_restore(flags);
--}
--
--/*
-- * Convert the MIPS hardware trap type code to a Unix signal number.
-- */
--static int computeSignal(int tt)
--{
-- struct hard_trap_info *ht;
--
-- for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
-- if (ht->tt == tt)
-- return ht->signo;
--
-- return SIGHUP; /* default for things we don't know about */
--}
--
--/*
-- * While we find nice hex chars, build an int.
-- * Return number of chars processed.
-- */
--static int hexToInt(char **ptr, int *intValue)
--{
-- int numChars = 0;
-- int hexValue;
--
-- *intValue = 0;
--
-- while (**ptr) {
-- hexValue = hex(**ptr);
-- if (hexValue < 0)
-- break;
--
-- *intValue = (*intValue << 4) | hexValue;
-- numChars ++;
--
-- (*ptr)++;
-- }
--
-- return (numChars);
--}
--
--static int hexToLong(char **ptr, long *longValue)
--{
-- int numChars = 0;
-- int hexValue;
--
-- *longValue = 0;
--
-- while (**ptr) {
-- hexValue = hex(**ptr);
-- if (hexValue < 0)
-- break;
--
-- *longValue = (*longValue << 4) | hexValue;
-- numChars ++;
--
-- (*ptr)++;
-- }
--
-- return numChars;
--}
--
--
--#if 0
--/*
-- * Print registers (on target console)
-- * Used only to debug the stub...
-- */
--void show_gdbregs(struct gdb_regs * regs)
--{
-- /*
-- * Saved main processor registers
-- */
-- printk("$0 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
-- regs->reg0, regs->reg1, regs->reg2, regs->reg3,
-- regs->reg4, regs->reg5, regs->reg6, regs->reg7);
-- printk("$8 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
-- regs->reg8, regs->reg9, regs->reg10, regs->reg11,
-- regs->reg12, regs->reg13, regs->reg14, regs->reg15);
-- printk("$16: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
-- regs->reg16, regs->reg17, regs->reg18, regs->reg19,
-- regs->reg20, regs->reg21, regs->reg22, regs->reg23);
-- printk("$24: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
-- regs->reg24, regs->reg25, regs->reg26, regs->reg27,
-- regs->reg28, regs->reg29, regs->reg30, regs->reg31);
--
-- /*
-- * Saved cp0 registers
-- */
-- printk("epc : %08lx\nStatus: %08lx\nCause : %08lx\n",
-- regs->cp0_epc, regs->cp0_status, regs->cp0_cause);
--}
--#endif /* dead code */
--
--/*
-- * We single-step by setting breakpoints. When an exception
-- * is handled, we need to restore the instructions hoisted
-- * when the breakpoints were set.
-- *
-- * This is where we save the original instructions.
-- */
--static struct gdb_bp_save {
-- unsigned long addr;
-- unsigned int val;
--} step_bp[2];
--
--#define BP 0x0000000d /* break opcode */
--
--/*
-- * Set breakpoint instructions for single stepping.
-- */
--static void single_step(struct gdb_regs *regs)
--{
-- union mips_instruction insn;
-- unsigned long targ;
-- int is_branch, is_cond, i;
--
-- targ = regs->cp0_epc;
-- insn.word = *(unsigned int *)targ;
-- is_branch = is_cond = 0;
--
-- switch (insn.i_format.opcode) {
-- /*
-- * jr and jalr are in r_format format.
-- */
-- case spec_op:
-- switch (insn.r_format.func) {
-- case jalr_op:
-- case jr_op:
-- targ = *(®s->reg0 + insn.r_format.rs);
-- is_branch = 1;
-- break;
-- }
-- break;
--
-- /*
-- * This group contains:
-- * bltz_op, bgez_op, bltzl_op, bgezl_op,
-- * bltzal_op, bgezal_op, bltzall_op, bgezall_op.
-- */
-- case bcond_op:
-- is_branch = is_cond = 1;
-- targ += 4 + (insn.i_format.simmediate << 2);
-- break;
--
-- /*
-- * These are unconditional and in j_format.
-- */
-- case jal_op:
-- case j_op:
-- is_branch = 1;
-- targ += 4;
-- targ >>= 28;
-- targ <<= 28;
-- targ |= (insn.j_format.target << 2);
-- break;
--
-- /*
-- * These are conditional.
-- */
-- case beq_op:
-- case beql_op:
-- case bne_op:
-- case bnel_op:
-- case blez_op:
-- case blezl_op:
-- case bgtz_op:
-- case bgtzl_op:
-- case cop0_op:
-- case cop1_op:
-- case cop2_op:
-- case cop1x_op:
-- is_branch = is_cond = 1;
-- targ += 4 + (insn.i_format.simmediate << 2);
-- break;
-- }
--
-- if (is_branch) {
-- i = 0;
-- if (is_cond && targ != (regs->cp0_epc + 8)) {
-- step_bp[i].addr = regs->cp0_epc + 8;
-- step_bp[i++].val = *(unsigned *)(regs->cp0_epc + 8);
-- *(unsigned *)(regs->cp0_epc + 8) = BP;
-- }
-- step_bp[i].addr = targ;
-- step_bp[i].val = *(unsigned *)targ;
-- *(unsigned *)targ = BP;
-- } else {
-- step_bp[0].addr = regs->cp0_epc + 4;
-- step_bp[0].val = *(unsigned *)(regs->cp0_epc + 4);
-- *(unsigned *)(regs->cp0_epc + 4) = BP;
-- }
--}
--
--/*
-- * If asynchronously interrupted by gdb, then we need to set a breakpoint
-- * at the interrupted instruction so that we wind up stopped with a
-- * reasonable stack frame.
-- */
--static struct gdb_bp_save async_bp;
--
--/*
-- * Swap the interrupted EPC with our asynchronous breakpoint routine.
-- * This is safer than stuffing the breakpoint in-place, since no cache
-- * flushes (or resulting smp_call_functions) are required. The
-- * assumption is that only one CPU will be handling asynchronous bp's,
-- * and only one can be active at a time.
-- */
--extern spinlock_t smp_call_lock;
--
--void set_async_breakpoint(unsigned long *epc)
--{
-- /* skip breaking into userland */
-- if ((*epc & 0x80000000) == 0)
-- return;
--
--#ifdef CONFIG_SMP
-- /* avoid deadlock if someone is make IPC */
-- if (spin_is_locked(&smp_call_lock))
-- return;
--#endif
--
-- async_bp.addr = *epc;
-- *epc = (unsigned long)async_breakpoint;
--}
--
--static void kgdb_wait(void *arg)
--{
-- unsigned flags;
-- int cpu = smp_processor_id();
--
-- local_irq_save(flags);
--
-- __raw_spin_lock(&kgdb_cpulock[cpu]);
-- __raw_spin_unlock(&kgdb_cpulock[cpu]);
--
-- local_irq_restore(flags);
--}
--
--/*
-- * GDB stub needs to call kgdb_wait on all processor with interrupts
-- * disabled, so it uses it's own special variant.
-- */
--static int kgdb_smp_call_kgdb_wait(void)
--{
--#ifdef CONFIG_SMP
-- struct call_data_struct data;
-- int i, cpus = num_online_cpus() - 1;
-- int cpu = smp_processor_id();
--
-- /*
-- * Can die spectacularly if this CPU isn't yet marked online
-- */
-- BUG_ON(!cpu_online(cpu));
--
-- if (!cpus)
-- return 0;
--
-- if (spin_is_locked(&smp_call_lock)) {
-- /*
-- * Some other processor is trying to make us do something
-- * but we're not going to respond... give up
-- */
-- return -1;
-- }
--
-- /*
-- * We will continue here, accepting the fact that
-- * the kernel may deadlock if another CPU attempts
-- * to call smp_call_function now...
-- */
--
-- data.func = kgdb_wait;
-- data.info = NULL;
-- atomic_set(&data.started, 0);
-- data.wait = 0;
--
-- spin_lock(&smp_call_lock);
-- call_data = &data;
-- mb();
--
-- /* Send a message to all other CPUs and wait for them to respond */
-- for (i = 0; i < NR_CPUS; i++)
-- if (cpu_online(i) && i != cpu)
-- core_send_ipi(i, SMP_CALL_FUNCTION);
--
-- /* Wait for response */
-- /* FIXME: lock-up detection, backtrace on lock-up */
-- while (atomic_read(&data.started) != cpus)
-- barrier();
--
-- call_data = NULL;
-- spin_unlock(&smp_call_lock);
--#endif
--
-- return 0;
--}
--
--/*
-- * This function does all command processing for interfacing to gdb. It
-- * returns 1 if you should skip the instruction at the trap address, 0
-- * otherwise.
-- */
--void handle_exception (struct gdb_regs *regs)
--{
-- int trap; /* Trap type */
-- int sigval;
-- long addr;
-- int length;
-- char *ptr;
-- unsigned long *stack;
-- int i;
-- int bflag = 0;
--
-- kgdb_started = 1;
--
-- /*
-- * acquire the big kgdb spinlock
-- */
-- if (!spin_trylock(&kgdb_lock)) {
-- /*
-- * some other CPU has the lock, we should go back to
-- * receive the gdb_wait IPC
-- */
-- return;
-- }
--
-- /*
-- * If we're in async_breakpoint(), restore the real EPC from
-- * the breakpoint.
-- */
-- if (regs->cp0_epc == (unsigned long)async_breakinst) {
-- regs->cp0_epc = async_bp.addr;
-- async_bp.addr = 0;
-- }
--
-- /*
-- * acquire the CPU spinlocks
-- */
-- for (i = num_online_cpus()-1; i >= 0; i--)
-- if (__raw_spin_trylock(&kgdb_cpulock[i]) == 0)
-- panic("kgdb: couldn't get cpulock %d\n", i);
--
-- /*
-- * force other cpus to enter kgdb
-- */
-- kgdb_smp_call_kgdb_wait();
--
-- /*
-- * If we're in breakpoint() increment the PC
-- */
-- trap = (regs->cp0_cause & 0x7c) >> 2;
-- if (trap == 9 && regs->cp0_epc == (unsigned long)breakinst)
-- regs->cp0_epc += 4;
--
-- /*
-- * If we were single_stepping, restore the opcodes hoisted
-- * for the breakpoint[s].
-- */
-- if (step_bp[0].addr) {
-- *(unsigned *)step_bp[0].addr = step_bp[0].val;
-- step_bp[0].addr = 0;
--
-- if (step_bp[1].addr) {
-- *(unsigned *)step_bp[1].addr = step_bp[1].val;
-- step_bp[1].addr = 0;
-- }
-- }
--
-- stack = (long *)regs->reg29; /* stack ptr */
-- sigval = computeSignal(trap);
--
-- /*
-- * reply to host that an exception has occurred
-- */
-- ptr = output_buffer;
--
-- /*
-- * Send trap type (converted to signal)
-- */
-- *ptr++ = 'T';
-- *ptr++ = hexchars[sigval >> 4];
-- *ptr++ = hexchars[sigval & 0xf];
--
-- /*
-- * Send Error PC
-- */
-- *ptr++ = hexchars[REG_EPC >> 4];
-- *ptr++ = hexchars[REG_EPC & 0xf];
-- *ptr++ = ':';
-- ptr = mem2hex((char *)®s->cp0_epc, ptr, sizeof(long), 0);
-- *ptr++ = ';';
--
-- /*
-- * Send frame pointer
-- */
-- *ptr++ = hexchars[REG_FP >> 4];
-- *ptr++ = hexchars[REG_FP & 0xf];
-- *ptr++ = ':';
-- ptr = mem2hex((char *)®s->reg30, ptr, sizeof(long), 0);
-- *ptr++ = ';';
--
-- /*
-- * Send stack pointer
-- */
-- *ptr++ = hexchars[REG_SP >> 4];
-- *ptr++ = hexchars[REG_SP & 0xf];
-- *ptr++ = ':';
-- ptr = mem2hex((char *)®s->reg29, ptr, sizeof(long), 0);
-- *ptr++ = ';';
--
-- *ptr++ = 0;
-- putpacket(output_buffer); /* send it off... */
--
-- /*
-- * Wait for input from remote GDB
-- */
-- while (1) {
-- output_buffer[0] = 0;
-- getpacket(input_buffer);
--
-- switch (input_buffer[0])
-- {
-- case '?':
-- output_buffer[0] = 'S';
-- output_buffer[1] = hexchars[sigval >> 4];
-- output_buffer[2] = hexchars[sigval & 0xf];
-- output_buffer[3] = 0;
-- break;
--
-- /*
-- * Detach debugger; let CPU run
-- */
-- case 'D':
-- putpacket(output_buffer);
-- goto finish_kgdb;
-- break;
--
-- case 'd':
-- /* toggle debug flag */
-- break;
--
-- /*
-- * Return the value of the CPU registers
-- */
-- case 'g':
-- ptr = output_buffer;
-- ptr = mem2hex((char *)®s->reg0, ptr, 32*sizeof(long), 0); /* r0...r31 */
-- ptr = mem2hex((char *)®s->cp0_status, ptr, 6*sizeof(long), 0); /* cp0 */
-- ptr = mem2hex((char *)®s->fpr0, ptr, 32*sizeof(long), 0); /* f0...31 */
-- ptr = mem2hex((char *)®s->cp1_fsr, ptr, 2*sizeof(long), 0); /* cp1 */
-- ptr = mem2hex((char *)®s->frame_ptr, ptr, 2*sizeof(long), 0); /* frp */
-- ptr = mem2hex((char *)®s->cp0_index, ptr, 16*sizeof(long), 0); /* cp0 */
-- break;
--
-- /*
-- * set the value of the CPU registers - return OK
-- */
-- case 'G':
-- {
-- ptr = &input_buffer[1];
-- hex2mem(ptr, (char *)®s->reg0, 32*sizeof(long), 0, 0);
-- ptr += 32*(2*sizeof(long));
-- hex2mem(ptr, (char *)®s->cp0_status, 6*sizeof(long), 0, 0);
-- ptr += 6*(2*sizeof(long));
-- hex2mem(ptr, (char *)®s->fpr0, 32*sizeof(long), 0, 0);
-- ptr += 32*(2*sizeof(long));
-- hex2mem(ptr, (char *)®s->cp1_fsr, 2*sizeof(long), 0, 0);
-- ptr += 2*(2*sizeof(long));
-- hex2mem(ptr, (char *)®s->frame_ptr, 2*sizeof(long), 0, 0);
-- ptr += 2*(2*sizeof(long));
-- hex2mem(ptr, (char *)®s->cp0_index, 16*sizeof(long), 0, 0);
-- strcpy(output_buffer,"OK");
-- }
-- break;
--
-- /*
-- * mAA..AA,LLLL Read LLLL bytes at address AA..AA
-- */
-- case 'm':
-- ptr = &input_buffer[1];
--
-- if (hexToLong(&ptr, &addr)
-- && *ptr++ == ','
-- && hexToInt(&ptr, &length)) {
-- if (mem2hex((char *)addr, output_buffer, length, 1))
-- break;
-- strcpy (output_buffer, "E03");
-- } else
-- strcpy(output_buffer,"E01");
-- break;
--
-- /*
-- * XAA..AA,LLLL: Write LLLL escaped binary bytes at address AA.AA
-- */
-- case 'X':
-- bflag = 1;
-- /* fall through */
--
-- /*
-- * MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK
-- */
-- case 'M':
-- ptr = &input_buffer[1];
--
-- if (hexToLong(&ptr, &addr)
-- && *ptr++ == ','
-- && hexToInt(&ptr, &length)
-- && *ptr++ == ':') {
-- if (hex2mem(ptr, (char *)addr, length, bflag, 1))
-- strcpy(output_buffer, "OK");
-- else
-- strcpy(output_buffer, "E03");
-- }
-- else
-- strcpy(output_buffer, "E02");
-- break;
--
-- /*
-- * cAA..AA Continue at address AA..AA(optional)
-- */
-- case 'c':
-- /* try to read optional parameter, pc unchanged if no parm */
--
-- ptr = &input_buffer[1];
-- if (hexToLong(&ptr, &addr))
-- regs->cp0_epc = addr;
--
-- goto exit_kgdb_exception;
-- break;
--
-- /*
-- * kill the program; let us try to restart the machine
-- * Reset the whole machine.
-- */
-- case 'k':
-- case 'r':
-- machine_restart("kgdb restarts machine");
-- break;
--
-- /*
-- * Step to next instruction
-- */
-- case 's':
-- /*
-- * There is no single step insn in the MIPS ISA, so we
-- * use breakpoints and continue, instead.
-- */
-- single_step(regs);
-- goto exit_kgdb_exception;
-- /* NOTREACHED */
-- break;
--
-- /*
-- * Set baud rate (bBB)
-- * FIXME: Needs to be written
-- */
-- case 'b':
-- {
--#if 0
-- int baudrate;
-- extern void set_timer_3();
--
-- ptr = &input_buffer[1];
-- if (!hexToInt(&ptr, &baudrate))
-- {
-- strcpy(output_buffer,"B01");
-- break;
-- }
--
-- /* Convert baud rate to uart clock divider */
--
-- switch (baudrate)
-- {
-- case 38400:
-- baudrate = 16;
-- break;
-- case 19200:
-- baudrate = 33;
-- break;
-- case 9600:
-- baudrate = 65;
-- break;
-- default:
-- baudrate = 0;
-- strcpy(output_buffer,"B02");
-- goto x1;
-- }
--
-- if (baudrate) {
-- putpacket("OK"); /* Ack before changing speed */
-- set_timer_3(baudrate); /* Set it */
-- }
--#endif
-- }
-- break;
--
-- } /* switch */
--
-- /*
-- * reply to the request
-- */
--
-- putpacket(output_buffer);
--
-- } /* while */
--
-- return;
--
--finish_kgdb:
-- restore_debug_traps();
--
--exit_kgdb_exception:
-- /* release locks so other CPUs can go */
-- for (i = num_online_cpus()-1; i >= 0; i--)
-- __raw_spin_unlock(&kgdb_cpulock[i]);
-- spin_unlock(&kgdb_lock);
--
-- __flush_cache_all();
-- return;
--}
--
--/*
-- * This function will generate a breakpoint exception. It is used at the
-- * beginning of a program to sync up with a debugger and can be used
-- * otherwise as a quick means to stop program execution and "break" into
-- * the debugger.
-- */
--void breakpoint(void)
--{
-- if (!initialized)
-- return;
--
-- __asm__ __volatile__(
-- ".globl breakinst\n\t"
-- ".set\tnoreorder\n\t"
-- "nop\n"
-- "breakinst:\tbreak\n\t"
-- "nop\n\t"
-- ".set\treorder"
-- );
--}
--
--/* Nothing but the break; don't pollute any registers */
--void async_breakpoint(void)
--{
-- __asm__ __volatile__(
-- ".globl async_breakinst\n\t"
-- ".set\tnoreorder\n\t"
-- "nop\n"
-- "async_breakinst:\tbreak\n\t"
-- "nop\n\t"
-- ".set\treorder"
-- );
--}
--
--void adel(void)
--{
-- __asm__ __volatile__(
-- ".globl\tadel\n\t"
-- "lui\t$8,0x8000\n\t"
-- "lw\t$9,1($8)\n\t"
-- );
--}
--
--/*
-- * malloc is needed by gdb client in "call func()", even a private one
-- * will make gdb happy
-- */
--static void * __attribute_used__ malloc(size_t size)
--{
-- return kmalloc(size, GFP_ATOMIC);
--}
--
--static void __attribute_used__ free (void *where)
--{
-- kfree(where);
--}
--
--#ifdef CONFIG_GDB_CONSOLE
--
--void gdb_putsn(const char *str, int l)
--{
-- char outbuf[18];
--
-- if (!kgdb_started)
-- return;
--
-- outbuf[0]='O';
--
-- while(l) {
-- int i = (l>8)?8:l;
-- mem2hex((char *)str, &outbuf[1], i, 0);
-- outbuf[(i*2)+1]=0;
-- putpacket(outbuf);
-- str += i;
-- l -= i;
-- }
--}
--
--static void gdb_console_write(struct console *con, const char *s, unsigned n)
--{
-- gdb_putsn(s, n);
--}
--
--static struct console gdb_console = {
-- .name = "gdb",
-- .write = gdb_console_write,
-- .flags = CON_PRINTBUFFER,
-- .index = -1
--};
--
--static int __init register_gdb_console(void)
--{
-- register_console(&gdb_console);
--
-- return 0;
--}
--
--console_initcall(register_gdb_console);
--
--#endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/kernel/irq.c linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/irq.c
---- linux-2.6.18-53.1.14/arch/mips/kernel/irq.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/irq.c 2008-06-10 15:38:24.000000000 +0400
-@@ -25,6 +25,10 @@
- #include <asm/atomic.h>
- #include <asm/system.h>
- #include <asm/uaccess.h>
-+#include <asm/kgdb.h>
-+
-+/* Keep track of if we've done certain initialization already or not. */
-+int kgdb_early_setup;
-
- /*
- * 'what should we do if we get a hw irq event on an illegal vector'.
-@@ -115,23 +119,13 @@ asmlinkage void spurious_interrupt(struc
- atomic_inc(&irq_err_count);
- }
-
--#ifdef CONFIG_KGDB
--extern void breakpoint(void);
--extern void set_debug_traps(void);
--
--static int kgdb_flag = 1;
--static int __init nokgdb(char *str)
--{
-- kgdb_flag = 0;
-- return 1;
--}
--__setup("nokgdb", nokgdb);
--#endif
--
- void __init init_IRQ(void)
- {
- int i;
-
-+ if (kgdb_early_setup)
-+ return;
-+
- for (i = 0; i < NR_IRQS; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = NULL;
-@@ -144,12 +138,12 @@ void __init init_IRQ(void)
- }
-
- arch_init_irq();
--
- #ifdef CONFIG_KGDB
-- if (kgdb_flag) {
-- printk("Wait for gdb client connection ...\n");
-- set_debug_traps();
-- breakpoint();
-- }
-+ /*
-+ * We have been called before kgdb_arch_init(). Hence,
-+ * we dont want the traps to be reinitialized
-+ */
-+ if (kgdb_early_setup == 0)
-+ kgdb_early_setup = 1;
- #endif
- }
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/kernel/kgdb-jmp.c linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/kgdb-jmp.c
---- linux-2.6.18-53.1.14/arch/mips/kernel/kgdb-jmp.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/kgdb-jmp.c 2008-06-10 15:38:24.000000000 +0400
-@@ -0,0 +1,116 @@
-+/*
-+ * arch/mips/kernel/kgdb-jmp.c
-+ *
-+ * Save and restore system registers so that within a limited frame we
-+ * may have a fault and "jump back" to a known safe location.
-+ *
-+ * Author: Tom Rini <trini@kernel.crashing.org>
-+ * Author: Manish Lachwani <mlachwani@mvista.com>
-+ *
-+ * Cribbed from glibc, which carries the following:
-+ * Copyright (C) 1996, 1997, 2000, 2002, 2003 Free Software Foundation, Inc.
-+ * Copyright (C) 2005 by MontaVista Software.
-+ *
-+ * This file is licensed under the terms of the GNU General Public License
-+ * version 2. This program as licensed "as is" without any warranty of
-+ * any kind, whether express or implied.
-+ */
-+
-+#include <linux/kgdb.h>
-+#include <asm/interrupt.h>
-+
-+#ifdef CONFIG_MIPS64
-+/*
-+ * MIPS 64-bit
-+ */
-+
-+int kgdb_fault_setjmp_aux(unsigned long *curr_context, int sp, int fp)
-+{
-+ __asm__ __volatile__ ("sd $gp, %0" : : "m" (curr_context[0]));
-+ __asm__ __volatile__ ("sd $16, %0" : : "m" (curr_context[1]));
-+ __asm__ __volatile__ ("sd $17, %0" : : "m" (curr_context[2]));
-+ __asm__ __volatile__ ("sd $18, %0" : : "m" (curr_context[3]));
-+ __asm__ __volatile__ ("sd $19, %0" : : "m" (curr_context[4]));
-+ __asm__ __volatile__ ("sd $20, %0" : : "m" (curr_context[5]));
-+ __asm__ __volatile__ ("sd $21, %0" : : "m" (curr_context[6]));
-+ __asm__ __volatile__ ("sd $22, %0" : : "m" (curr_context[7]));
-+ __asm__ __volatile__ ("sd $23, %0" : : "m" (curr_context[8]));
-+ __asm__ __volatile__ ("sd $31, %0" : : "m" (curr_context[9]));
-+ curr_context[10] = (long *)sp;
-+ curr_context[11] = (long *)fp;
-+
-+ return 0;
-+}
-+
-+void kgdb_fault_longjmp(unsigned long *curr_context)
-+{
-+ unsigned long sp_val, fp_val;
-+
-+ __asm__ __volatile__ ("ld $gp, %0" : : "m" (curr_context[0]));
-+ __asm__ __volatile__ ("ld $16, %0" : : "m" (curr_context[1]));
-+ __asm__ __volatile__ ("ld $17, %0" : : "m" (curr_context[2]));
-+ __asm__ __volatile__ ("ld $18, %0" : : "m" (curr_context[3]));
-+ __asm__ __volatile__ ("ld $19, %0" : : "m" (curr_context[4]));
-+ __asm__ __volatile__ ("ld $20, %0" : : "m" (curr_context[5]));
-+ __asm__ __volatile__ ("ld $21, %0" : : "m" (curr_context[6]));
-+ __asm__ __volatile__ ("ld $22, %0" : : "m" (curr_context[7]));
-+ __asm__ __volatile__ ("ld $23, %0" : : "m" (curr_context[8]));
-+ __asm__ __volatile__ ("ld $25, %0" : : "m" (curr_context[9]));
-+ sp_val = curr_context[10];
-+ fp_val = curr_context[11];
-+ __asm__ __volatile__ ("ld $29, %0\n\t"
-+ "ld $30, %1\n\t" : : "m" (sp_val), "m" (fp_val));
-+
-+ __asm__ __volatile__ ("dli $2, 1");
-+ __asm__ __volatile__ ("j $25");
-+
-+ for (;;);
-+}
-+#else
-+/*
-+ * MIPS 32-bit
-+ */
-+
-+int kgdb_fault_setjmp_aux(unsigned long *curr_context, int sp, int fp)
-+{
-+ __asm__ __volatile__("sw $gp, %0" : : "m" (curr_context[0]));
-+ __asm__ __volatile__("sw $16, %0" : : "m" (curr_context[1]));
-+ __asm__ __volatile__("sw $17, %0" : : "m" (curr_context[2]));
-+ __asm__ __volatile__("sw $18, %0" : : "m" (curr_context[3]));
-+ __asm__ __volatile__("sw $19, %0" : : "m" (curr_context[4]));
-+ __asm__ __volatile__("sw $20, %0" : : "m" (curr_context[5]));
-+ __asm__ __volatile__("sw $21, %0" : : "m" (curr_context[6]));
-+ __asm__ __volatile__("sw $22, %0" : : "m" (curr_context[7]));
-+ __asm__ __volatile__("sw $23, %0" : : "m" (curr_context[8]));
-+ __asm__ __volatile__("sw $31, %0" : : "m" (curr_context[9]));
-+ curr_context[10] = (long *)sp;
-+ curr_context[11] = (long *)fp;
-+
-+ return 0;
-+}
-+
-+void kgdb_fault_longjmp(unsigned long *curr_context)
-+{
-+ unsigned long sp_val, fp_val;
-+
-+ __asm__ __volatile__("lw $gp, %0" : : "m" (curr_context[0]));
-+ __asm__ __volatile__("lw $16, %0" : : "m" (curr_context[1]));
-+ __asm__ __volatile__("lw $17, %0" : : "m" (curr_context[2]));
-+ __asm__ __volatile__("lw $18, %0" : : "m" (curr_context[3]));
-+ __asm__ __volatile__("lw $19, %0" : : "m" (curr_context[4]));
-+ __asm__ __volatile__("lw $20, %0" : : "m" (curr_context[5]));
-+ __asm__ __volatile__("lw $21, %0" : : "m" (curr_context[6]));
-+ __asm__ __volatile__("lw $22, %0" : : "m" (curr_context[7]));
-+ __asm__ __volatile__("lw $23, %0" : : "m" (curr_context[8]));
-+ __asm__ __volatile__("lw $25, %0" : : "m" (curr_context[9]));
-+ sp_val = curr_context[10];
-+ fp_val = curr_context[11];
-+ __asm__ __volatile__("lw $29, %0\n\t"
-+ "lw $30, %1\n\t" : : "m" (sp_val), "m" (fp_val));
-+
-+ __asm__ __volatile__("li $2, 1");
-+ __asm__ __volatile__("jr $25");
-+
-+ for (;;);
-+}
-+#endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/kernel/kgdb-setjmp.S linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/kgdb-setjmp.S
---- linux-2.6.18-53.1.14/arch/mips/kernel/kgdb-setjmp.S 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/kgdb-setjmp.S 2008-06-10 15:38:24.000000000 +0400
-@@ -0,0 +1,28 @@
-+/*
-+ * arch/mips/kernel/kgdb-jmp.c
-+ *
-+ * Save and restore system registers so that within a limited frame we
-+ * may have a fault and "jump back" to a known safe location.
-+ *
-+ * Copyright (C) 2005 by MontaVista Software.
-+ * Author: Manish Lachwani (mlachwani@mvista.com)
-+ *
-+ * This file is licensed under the terms of the GNU General Public License
-+ * version 2. This program as licensed "as is" without any warranty of
-+ * any kind, whether express or implied.
-+ */
-+
-+#include <asm/asm.h>
-+#include <asm/mipsregs.h>
-+#include <asm/regdef.h>
-+#include <asm/stackframe.h>
-+
-+ .ent kgdb_fault_setjmp,0
-+ENTRY (kgdb_fault_setjmp)
-+ move a1, sp
-+ move a2, fp
-+#ifdef CONFIG_MIPS64
-+ nop
-+#endif
-+ j kgdb_fault_setjmp_aux
-+ .end kgdb_fault_setjmp
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/kernel/kgdb.c linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/kgdb.c
---- linux-2.6.18-53.1.14/arch/mips/kernel/kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/kgdb.c 2008-06-10 15:38:24.000000000 +0400
-@@ -0,0 +1,297 @@
-+/*
-+ * arch/mips/kernel/kgdb.c
-+ *
-+ * Originally written by Glenn Engel, Lake Stevens Instrument Division
-+ *
-+ * Contributed by HP Systems
-+ *
-+ * Modified for SPARC by Stu Grossman, Cygnus Support.
-+ *
-+ * Modified for Linux/MIPS (and MIPS in general) by Andreas Busse
-+ * Send complaints, suggestions etc. to <andy@waldorf-gmbh.de>
-+ *
-+ * Copyright (C) 1995 Andreas Busse
-+ *
-+ * Copyright (C) 2003 MontaVista Software Inc.
-+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
-+ *
-+ * Copyright (C) 2004-2005 MontaVista Software Inc.
-+ * Author: Manish Lachwani, mlachwani@mvista.com or manish@koffee-break.com
-+ *
-+ * This file is licensed under the terms of the GNU General Public License
-+ * version 2. This program is licensed "as is" without any warranty of any
-+ * kind, whether express or implied.
-+ */
-+
-+#include <linux/string.h>
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/smp.h>
-+#include <linux/spinlock.h>
-+#include <linux/delay.h>
-+#include <asm/system.h>
-+#include <asm/ptrace.h> /* for linux pt_regs struct */
-+#include <linux/kgdb.h>
-+#include <linux/init.h>
-+#include <asm/inst.h>
-+#include <asm/gdb-stub.h>
-+#include <asm/cacheflush.h>
-+#include <asm/kdebug.h>
-+
-+static struct hard_trap_info {
-+ unsigned char tt; /* Trap type code for MIPS R3xxx and R4xxx */
-+ unsigned char signo; /* Signal that we map this trap into */
-+} hard_trap_info[] = {
-+ { 6, SIGBUS }, /* instruction bus error */
-+ { 7, SIGBUS }, /* data bus error */
-+ { 9, SIGTRAP }, /* break */
-+/* { 11, SIGILL }, */ /* CPU unusable */
-+ { 12, SIGFPE }, /* overflow */
-+ { 13, SIGTRAP }, /* trap */
-+ { 14, SIGSEGV }, /* virtual instruction cache coherency */
-+ { 15, SIGFPE }, /* floating point exception */
-+ { 23, SIGSEGV }, /* watch */
-+ { 31, SIGSEGV }, /* virtual data cache coherency */
-+ { 0, 0} /* Must be last */
-+};
-+
-+/* Save the normal trap handlers for user-mode traps. */
-+void *saved_vectors[32];
-+
-+extern void trap_low(void);
-+extern void breakinst(void);
-+extern void init_IRQ(void);
-+
-+void kgdb_call_nmi_hook(void *ignored)
-+{
-+ kgdb_nmihook(smp_processor_id(), (void *)0);
-+}
-+
-+void kgdb_roundup_cpus(unsigned long flags)
-+{
-+ local_irq_restore(flags);
-+ smp_call_function(kgdb_call_nmi_hook, 0, 0, 0);
-+ local_irq_save(flags);
-+}
-+
-+static int compute_signal(int tt)
-+{
-+ struct hard_trap_info *ht;
-+
-+ for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
-+ if (ht->tt == tt)
-+ return ht->signo;
-+
-+ return SIGHUP; /* default for things we don't know about */
-+}
-+
-+/*
-+ * Set up exception handlers for tracing and breakpoints
-+ */
-+void handle_exception(struct pt_regs *regs)
-+{
-+ int trap = (regs->cp0_cause & 0x7c) >> 2;
-+
-+ if (fixup_exception(regs)) {
-+ return;
-+ }
-+
-+ if (atomic_read(&debugger_active))
-+ kgdb_nmihook(smp_processor_id(), regs);
-+
-+ if (atomic_read(&kgdb_setting_breakpoint))
-+ if ((trap == 9) && (regs->cp0_epc == (unsigned long)breakinst))
-+ regs->cp0_epc += 4;
-+
-+ kgdb_handle_exception(0, compute_signal(trap), 0, regs);
-+
-+ /* In SMP mode, __flush_cache_all does IPI */
-+ __flush_cache_all();
-+}
-+
-+void set_debug_traps(void)
-+{
-+ struct hard_trap_info *ht;
-+ unsigned long flags;
-+
-+ local_irq_save(flags);
-+
-+ for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
-+ saved_vectors[ht->tt] = set_except_vector(ht->tt, trap_low);
-+
-+ local_irq_restore(flags);
-+}
-+
-+#if 0
-+/* This should be called before we exit kgdb_handle_exception() I believe.
-+ * -- Tom
-+ */
-+void restore_debug_traps(void)
-+{
-+ struct hard_trap_info *ht;
-+ unsigned long flags;
-+
-+ local_irq_save(flags);
-+ for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
-+ set_except_vector(ht->tt, saved_vectors[ht->tt]);
-+ local_irq_restore(flags);
-+}
-+#endif
-+
-+void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+ int reg;
-+ gdb_reg_t *ptr = (gdb_reg_t*)gdb_regs;
-+
-+ for (reg = 0; reg < 32; reg++)
-+ *(ptr++) = regs->regs[reg];
-+
-+ *(ptr++) = regs->cp0_status;
-+ *(ptr++) = regs->lo;
-+ *(ptr++) = regs->hi;
-+ *(ptr++) = regs->cp0_badvaddr;
-+ *(ptr++) = regs->cp0_cause;
-+ *(ptr++) = regs->cp0_epc;
-+
-+ return;
-+}
-+
-+void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+
-+ int reg;
-+ const gdb_reg_t *ptr = (gdb_reg_t*)gdb_regs;
-+
-+ for (reg = 0; reg < 32; reg++)
-+ regs->regs[reg] = *(ptr++);
-+
-+ regs->cp0_status = *(ptr++);
-+ regs->lo = *(ptr++);
-+ regs->hi = *(ptr++);
-+ regs->cp0_badvaddr = *(ptr++);
-+ regs->cp0_cause = *(ptr++);
-+ regs->cp0_epc = *(ptr++);
-+
-+ return;
-+}
-+
-+/*
-+ * Similar to regs_to_gdb_regs() except that process is sleeping and so
-+ * we may not be able to get all the info.
-+ */
-+void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
-+{
-+ int reg;
-+ struct thread_info *ti = p->thread_info;
-+ unsigned long ksp = (unsigned long)ti + THREAD_SIZE - 32;
-+ struct pt_regs *regs = (struct pt_regs *)ksp - 1;
-+ gdb_reg_t *ptr = (gdb_reg_t*)gdb_regs;
-+
-+ for (reg = 0; reg < 16; reg++)
-+ *(ptr++) = regs->regs[reg];
-+
-+ /* S0 - S7 */
-+ for (reg = 16; reg < 24; reg++)
-+ *(ptr++) = regs->regs[reg];
-+
-+ for (reg = 24; reg < 28; reg++)
-+ *(ptr++) = 0;
-+
-+ /* GP, SP, FP, RA */
-+ for (reg = 28; reg < 32; reg++)
-+ *(ptr++) = regs->regs[reg];
-+
-+ *(ptr++) = regs->cp0_status;
-+ *(ptr++) = regs->lo;
-+ *(ptr++) = regs->hi;
-+ *(ptr++) = regs->cp0_badvaddr;
-+ *(ptr++) = regs->cp0_cause;
-+ *(ptr++) = regs->cp0_epc;
-+
-+ return;
-+}
-+
-+/*
-+ * Calls linux_debug_hook before the kernel dies. If KGDB is enabled,
-+ * then try to fall into the debugger
-+ */
-+static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd,
-+ void *ptr)
-+{
-+ struct die_args *args = (struct die_args *)ptr;
-+ struct pt_regs *regs = args->regs;
-+ int trap = (regs->cp0_cause & 0x7c) >> 2;
-+
-+ /* See if KGDB is interested. */
-+ if (user_mode(regs))
-+ /* Userpace events, ignore. */
-+ return NOTIFY_DONE;
-+
-+ kgdb_handle_exception(trap, compute_signal(trap), 0, regs);
-+ return NOTIFY_OK;
-+}
-+
-+static struct notifier_block kgdb_notifier = {
-+ .notifier_call = kgdb_mips_notify,
-+};
-+
-+/*
-+ * Handle the 's' and 'c' commands
-+ */
-+int kgdb_arch_handle_exception(int vector, int signo, int err_code,
-+ char *remcom_in_buffer, char *remcom_out_buffer,
-+ struct pt_regs *regs)
-+{
-+ char *ptr;
-+ unsigned long address;
-+ int cpu = smp_processor_id();
-+
-+ switch (remcom_in_buffer[0]) {
-+ case 's':
-+ case 'c':
-+ /* handle the optional parameter */
-+ ptr = &remcom_in_buffer[1];
-+ if (kgdb_hex2long(&ptr, &address))
-+ regs->cp0_epc = address;
-+
-+ atomic_set(&cpu_doing_single_step, -1);
-+ if (remcom_in_buffer[0] == 's')
-+ if (kgdb_contthread)
-+ atomic_set(&cpu_doing_single_step, cpu);
-+
-+ return 0;
-+ }
-+
-+ return -1;
-+}
-+
-+struct kgdb_arch arch_kgdb_ops = {
-+#ifdef CONFIG_CPU_LITTLE_ENDIAN
-+ .gdb_bpt_instr = {0xd},
-+#else
-+ .gdb_bpt_instr = {0x00, 0x00, 0x00, 0x0d},
-+#endif
-+};
-+
-+/*
-+ * We use kgdb_early_setup so that functions we need to call now don't
-+ * cause trouble when called again later.
-+ */
-+int kgdb_arch_init(void)
-+{
-+ /* Board-specifics. */
-+ /* Force some calls to happen earlier. */
-+ if (kgdb_early_setup == 0) {
-+ trap_init();
-+ init_IRQ();
-+ kgdb_early_setup = 1;
-+ }
-+
-+ /* Set our traps. */
-+ /* This needs to be done more finely grained again, paired in
-+ * a before/after in kgdb_handle_exception(...) -- Tom */
-+ set_debug_traps();
-+ notifier_chain_register(&mips_die_chain, &kgdb_notifier);
-+
-+ return 0;
-+}
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/kernel/kgdb_handler.S linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/kgdb_handler.S
---- linux-2.6.18-53.1.14/arch/mips/kernel/kgdb_handler.S 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/kgdb_handler.S 2008-06-10 15:38:24.000000000 +0400
-@@ -0,0 +1,57 @@
-+/*
-+ * arch/mips/kernel/kgdb_handler.S
-+ *
-+ * Copyright (C) 2004-2005 MontaVista Software Inc.
-+ * Author: Manish Lachwani, mlachwani@mvista.com or manish@koffee-break.com
-+ *
-+ * This file is licensed under the terms of the GNU General Public
-+ * version 2. This program is licensed "as is" without any warranty of any
-+ * kind, whether express or implied.
-+ */
-+
-+/*
-+ * Trap Handler for the new KGDB framework. The main KGDB handler is
-+ * handle_exception that will be called from here
-+ *
-+ */
-+
-+#include <linux/config.h>
-+#include <linux/sys.h>
-+
-+#include <asm/asm.h>
-+#include <asm/errno.h>
-+#include <asm/mipsregs.h>
-+#include <asm/regdef.h>
-+#include <asm/stackframe.h>
-+
-+ .align 5
-+ NESTED(trap_low, PT_SIZE, sp)
-+ .set noat
-+ .set noreorder
-+
-+ /*
-+ * Check for privileged instructions in user mode. For
-+ * this, check the cu0 bit in the CPU status register.
-+ */
-+ mfc0 k0, CP0_STATUS
-+ sll k0, 3
-+ bltz k0, 1f
-+ move k1, sp
-+
-+ /*
-+ * GDB userland from within KGDB. If a user mode address
-+ * then jump to the saved exception handler
-+ */
-+ mfc0 k1, CP0_CAUSE
-+ andi k1, k1, 0x7c
-+ PTR_L k0, saved_vectors(k1)
-+ jr k0
-+ nop
-+1:
-+ SAVE_ALL
-+ .set at
-+ .set reorder
-+ move a0, sp
-+ jal handle_exception
-+ j ret_from_exception
-+ END(trap_low)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/kernel/traps.c linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/traps.c
---- linux-2.6.18-53.1.14/arch/mips/kernel/traps.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/kernel/traps.c 2008-06-10 15:38:24.000000000 +0400
-@@ -10,6 +10,8 @@
- * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 2000, 01 MIPS Technologies, Inc.
- * Copyright (C) 2002, 2003, 2004, 2005 Maciej W. Rozycki
-+ *
-+ * KGDB specific changes - Manish Lachwani (mlachwani@mvista.com)
- */
- #include <linux/init.h>
- #include <linux/mm.h>
-@@ -20,6 +22,7 @@
- #include <linux/spinlock.h>
- #include <linux/kallsyms.h>
- #include <linux/bootmem.h>
-+#include <linux/kgdb.h>
-
- #include <asm/bootinfo.h>
- #include <asm/branch.h>
-@@ -40,6 +43,7 @@
- #include <asm/mmu_context.h>
- #include <asm/watch.h>
- #include <asm/types.h>
-+#include <asm/kdebug.h>
-
- extern asmlinkage void handle_int(void);
- extern asmlinkage void handle_tlbm(void);
-@@ -78,6 +82,21 @@ void (*board_bind_eic_interrupt)(int irq
- */
- #define MODULE_RANGE (8*1024*1024)
-
-+struct notifier_block *mips_die_chain;
-+static spinlock_t die_notifier_lock = SPIN_LOCK_UNLOCKED;
-+
-+int register_die_notifier(struct notifier_block *nb)
-+{
-+ int err = 0;
-+ unsigned long flags;
-+
-+ spin_lock_irqsave(&die_notifier_lock, flags);
-+ err = notifier_chain_register(&mips_die_chain, nb);
-+ spin_unlock_irqrestore(&die_notifier_lock, flags);
-+
-+ return err;
-+}
-+
- /*
- * This routine abuses get_user()/put_user() to reference pointers
- * with at least a bit of error checking ...
-@@ -1387,6 +1406,11 @@ void __init trap_init(void)
- extern char except_vec4;
- unsigned long i;
-
-+#if defined(CONFIG_KGDB)
-+ if (kgdb_early_setup)
-+ return; /* Already done */
-+#endif
-+
- if (cpu_has_veic || cpu_has_vint)
- ebase = (unsigned long) alloc_bootmem_low_pages (0x200 + VECTORSPACING*64);
- else
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/mips-boards/generic/Makefile linux-2.6.18-53.1.14.kgdb/arch/mips/mips-boards/generic/Makefile
---- linux-2.6.18-53.1.14/arch/mips/mips-boards/generic/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/mips-boards/generic/Makefile 2008-06-10 15:38:24.000000000 +0400
-@@ -21,6 +21,5 @@
- obj-y := reset.o display.o init.o memory.o printf.o \
- cmdline.o time.o
- obj-$(CONFIG_PCI) += pci.o
--obj-$(CONFIG_KGDB) += gdb_hook.o
-
- EXTRA_AFLAGS := $(CFLAGS)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/mips-boards/generic/init.c linux-2.6.18-53.1.14.kgdb/arch/mips/mips-boards/generic/init.c
---- linux-2.6.18-53.1.14/arch/mips/mips-boards/generic/init.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/mips-boards/generic/init.c 2008-06-10 15:38:24.000000000 +0400
-@@ -37,15 +37,6 @@
-
- #include <asm/mips-boards/malta.h>
-
--#ifdef CONFIG_KGDB
--extern int rs_kgdb_hook(int, int);
--extern int rs_putDebugChar(char);
--extern char rs_getDebugChar(void);
--extern int saa9730_kgdb_hook(int);
--extern int saa9730_putDebugChar(char);
--extern char saa9730_getDebugChar(void);
--#endif
--
- int prom_argc;
- int *_prom_argv, *_prom_envp;
-
-@@ -172,58 +163,6 @@ static void __init console_config(void)
- }
- #endif
-
--#ifdef CONFIG_KGDB
--void __init kgdb_config (void)
--{
-- extern int (*generic_putDebugChar)(char);
-- extern char (*generic_getDebugChar)(void);
-- char *argptr;
-- int line, speed;
--
-- argptr = prom_getcmdline();
-- if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
-- argptr += strlen("kgdb=ttyS");
-- if (*argptr != '0' && *argptr != '1')
-- printk("KGDB: Unknown serial line /dev/ttyS%c, "
-- "falling back to /dev/ttyS1\n", *argptr);
-- line = *argptr == '0' ? 0 : 1;
-- printk("KGDB: Using serial line /dev/ttyS%d for session\n", line);
--
-- speed = 0;
-- if (*++argptr == ',')
-- {
-- int c;
-- while ((c = *++argptr) && ('0' <= c && c <= '9'))
-- speed = speed * 10 + c - '0';
-- }
--#ifdef CONFIG_MIPS_ATLAS
-- if (line == 1) {
-- speed = saa9730_kgdb_hook(speed);
-- generic_putDebugChar = saa9730_putDebugChar;
-- generic_getDebugChar = saa9730_getDebugChar;
-- }
-- else
--#endif
-- {
-- speed = rs_kgdb_hook(line, speed);
-- generic_putDebugChar = rs_putDebugChar;
-- generic_getDebugChar = rs_getDebugChar;
-- }
--
-- prom_printf("KGDB: Using serial line /dev/ttyS%d at %d for session, "
-- "please connect your debugger\n", line ? 1 : 0, speed);
--
-- {
-- char *s;
-- for (s = "Please connect GDB to this port\r\n"; *s; )
-- generic_putDebugChar (*s++);
-- }
--
-- /* Breakpoint is invoked after interrupts are initialised */
-- }
--}
--#endif
--
- void __init mips_nmi_setup (void)
- {
- void *base;
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/mips-boards/malta/malta_setup.c linux-2.6.18-53.1.14.kgdb/arch/mips/mips-boards/malta/malta_setup.c
---- linux-2.6.18-53.1.14/arch/mips/mips-boards/malta/malta_setup.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/mips-boards/malta/malta_setup.c 2008-06-10 15:38:24.000000000 +0400
-@@ -46,10 +46,6 @@ extern void mips_reboot_setup(void);
- extern void mips_time_init(void);
- extern unsigned long mips_rtc_get_time(void);
-
--#ifdef CONFIG_KGDB
--extern void kgdb_config(void);
--#endif
--
- struct resource standard_io_resources[] = {
- { .name = "dma1", .start = 0x00, .end = 0x1f, .flags = IORESOURCE_BUSY },
- { .name = "timer", .start = 0x40, .end = 0x5f, .flags = IORESOURCE_BUSY },
-@@ -124,10 +120,6 @@ void __init plat_mem_setup(void)
- */
- enable_dma(4);
-
--#ifdef CONFIG_KGDB
-- kgdb_config ();
--#endif
--
- if ((mips_revision_corid == MIPS_REVISION_CORID_BONITO64) ||
- (mips_revision_corid == MIPS_REVISION_CORID_CORE_20K) ||
- (mips_revision_corid == MIPS_REVISION_CORID_CORE_EMUL_BON)) {
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/mm/extable.c linux-2.6.18-53.1.14.kgdb/arch/mips/mm/extable.c
---- linux-2.6.18-53.1.14/arch/mips/mm/extable.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/mm/extable.c 2008-06-10 15:38:24.000000000 +0400
-@@ -3,6 +3,7 @@
- */
- #include <linux/module.h>
- #include <linux/spinlock.h>
-+#include <linux/kgdb.h>
- #include <asm/branch.h>
- #include <asm/uaccess.h>
-
-@@ -16,6 +17,12 @@ int fixup_exception(struct pt_regs *regs
-
- return 1;
- }
-+#ifdef CONFIG_KGDB
-+ if (atomic_read(&debugger_active) && kgdb_may_fault)
-+ /* Restore our previous state. */
-+ kgdb_fault_longjmp(kgdb_fault_jmp_regs);
-+ /* Not reached. */
-+#endif
-
- return 0;
- }
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/sibyte/cfe/setup.c linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/cfe/setup.c
---- linux-2.6.18-53.1.14/arch/mips/sibyte/cfe/setup.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/cfe/setup.c 2008-06-10 15:38:24.000000000 +0400
-@@ -58,10 +58,6 @@ int cfe_cons_handle;
- extern unsigned long initrd_start, initrd_end;
- #endif
-
--#ifdef CONFIG_KGDB
--extern int kgdb_port;
--#endif
--
- static void ATTRIB_NORET cfe_linux_exit(void *arg)
- {
- int warm = *(int *)arg;
-@@ -242,9 +238,6 @@ void __init prom_init(void)
- int argc = fw_arg0;
- char **envp = (char **) fw_arg2;
- int *prom_vec = (int *) fw_arg3;
--#ifdef CONFIG_KGDB
-- char *arg;
--#endif
-
- _machine_restart = cfe_linux_restart;
- _machine_halt = cfe_linux_halt;
-@@ -308,13 +301,6 @@ void __init prom_init(void)
- }
- }
-
--#ifdef CONFIG_KGDB
-- if ((arg = strstr(arcs_cmdline,"kgdb=duart")) != NULL)
-- kgdb_port = (arg[10] == '0') ? 0 : 1;
-- else
-- kgdb_port = 1;
--#endif
--
- #ifdef CONFIG_BLK_DEV_INITRD
- {
- char *ptr;
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/sibyte/sb1250/Makefile linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/sb1250/Makefile
---- linux-2.6.18-53.1.14/arch/mips/sibyte/sb1250/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/sb1250/Makefile 2008-06-10 15:38:24.000000000 +0400
-@@ -4,5 +4,6 @@ obj-$(CONFIG_SMP) += smp.o
- obj-$(CONFIG_SIBYTE_TBPROF) += bcm1250_tbprof.o
- obj-$(CONFIG_SIBYTE_STANDALONE) += prom.o
- obj-$(CONFIG_SIBYTE_BUS_WATCHER) += bus_watcher.o
-+obj-$(CONFIG_KGDB_SIBYTE) += kgdb_sibyte.o
-
- EXTRA_AFLAGS := $(CFLAGS)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/sibyte/sb1250/irq.c linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/sb1250/irq.c
---- linux-2.6.18-53.1.14/arch/mips/sibyte/sb1250/irq.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/sb1250/irq.c 2008-06-10 15:38:24.000000000 +0400
-@@ -30,6 +30,7 @@
- #include <asm/system.h>
- #include <asm/ptrace.h>
- #include <asm/io.h>
-+#include <asm/kgdb.h>
-
- #include <asm/sibyte/sb1250_regs.h>
- #include <asm/sibyte/sb1250_int.h>
-@@ -59,16 +60,6 @@ static void sb1250_set_affinity(unsigned
- extern unsigned long ldt_eoi_space;
- #endif
-
--#ifdef CONFIG_KGDB
--static int kgdb_irq;
--
--/* Default to UART1 */
--int kgdb_port = 1;
--#ifdef CONFIG_SIBYTE_SB1250_DUART
--extern char sb1250_duart_present[];
--#endif
--#endif
--
- static struct irq_chip sb1250_irq_type = {
- .typename = "SB1250-IMR",
- .startup = startup_sb1250_irq,
-@@ -324,6 +315,11 @@ void __init arch_init_irq(void)
- unsigned int imask = STATUSF_IP4 | STATUSF_IP3 | STATUSF_IP2 |
- STATUSF_IP1 | STATUSF_IP0;
-
-+#ifdef CONFIG_KGDB
-+ if (kgdb_early_setup)
-+ return;
-+#endif
-+
- /* Default everything to IP2 */
- for (i = 0; i < SB1250_NR_IRQS; i++) { /* was I0 */
- __raw_writeq(IMR_IP2_VAL,
-@@ -375,50 +371,6 @@ void __init arch_init_irq(void)
- /* Enable necessary IPs, disable the rest */
- change_c0_status(ST0_IM, imask);
-
--#ifdef CONFIG_KGDB
-- if (kgdb_flag) {
-- kgdb_irq = K_INT_UART_0 + kgdb_port;
--
--#ifdef CONFIG_SIBYTE_SB1250_DUART
-- sb1250_duart_present[kgdb_port] = 0;
--#endif
-- /* Setup uart 1 settings, mapper */
-- __raw_writeq(M_DUART_IMR_BRK,
-- IOADDR(A_DUART_IMRREG(kgdb_port)));
--
-- sb1250_steal_irq(kgdb_irq);
-- __raw_writeq(IMR_IP6_VAL,
-- IOADDR(A_IMR_REGISTER(0,
-- R_IMR_INTERRUPT_MAP_BASE) +
-- (kgdb_irq << 3)));
-- sb1250_unmask_irq(0, kgdb_irq);
-- }
--#endif
--}
--
--#ifdef CONFIG_KGDB
--
--#include <linux/delay.h>
--
--#define duart_out(reg, val) csr_out32(val, IOADDR(A_DUART_CHANREG(kgdb_port,reg)))
--#define duart_in(reg) csr_in32(IOADDR(A_DUART_CHANREG(kgdb_port,reg)))
--
--static void sb1250_kgdb_interrupt(struct pt_regs *regs)
--{
-- /*
-- * Clear break-change status (allow some time for the remote
-- * host to stop the break, since we would see another
-- * interrupt on the end-of-break too)
-- */
-- kstat_this_cpu.irqs[kgdb_irq]++;
-- mdelay(500);
-- duart_out(R_DUART_CMD, V_DUART_MISC_CMD_RESET_BREAK_INT |
-- M_DUART_RX_EN | M_DUART_TX_EN);
-- set_async_breakpoint(®s->cp0_epc);
--}
--
--#endif /* CONFIG_KGDB */
--
- static inline int dclz(unsigned long long x)
- {
- int lz;
-@@ -473,7 +425,7 @@ asmlinkage void plat_irq_dispatch(struct
- sb1250_mailbox_interrupt(regs);
- #endif
-
--#ifdef CONFIG_KGDB
-+#ifdef CONFIG_KGDB_SIBYTE
- else if (pending & CAUSEF_IP6) /* KGDB (uart 1) */
- sb1250_kgdb_interrupt(regs);
- #endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/sibyte/sb1250/kgdb_sibyte.c linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/sb1250/kgdb_sibyte.c
---- linux-2.6.18-53.1.14/arch/mips/sibyte/sb1250/kgdb_sibyte.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/sb1250/kgdb_sibyte.c 2008-06-10 15:38:24.000000000 +0400
-@@ -0,0 +1,164 @@
-+/*
-+ * arch/mips/sibyte/sb1250/kgdb_sibyte.c
-+ *
-+ * Author: Manish Lachwani, mlachwani@mvista.com or manish@koffee-break.com
-+ *
-+ * 2004 (c) MontaVista Software, Inc. This file is licensed under
-+ * the terms of the GNU General Public License version 2. This program
-+ * is licensed "as is" without any warranty of any kind, whether express
-+ * or implied.
-+ */
-+
-+/*
-+ * Support for KGDB on the Broadcom Sibyte. The SWARM board
-+ * for example does not have a 8250/16550 compatible serial
-+ * port. Hence, we need to have a driver for the serial
-+ * ports to handle KGDB. This board needs nothing in addition
-+ * to what is normally provided by the gdb portion of the stub.
-+ */
-+
-+#include <linux/delay.h>
-+#include <linux/kernel_stat.h>
-+#include <linux/init.h>
-+#include <linux/kgdb.h>
-+
-+#include <asm/io.h>
-+#include <asm/sibyte/sb1250.h>
-+#include <asm/sibyte/sb1250_regs.h>
-+#include <asm/sibyte/sb1250_uart.h>
-+#include <asm/sibyte/sb1250_int.h>
-+#include <asm/addrspace.h>
-+
-+int kgdb_port = 1;
-+static int kgdb_irq;
-+
-+extern char sb1250_duart_present[];
-+extern int sb1250_steal_irq(int irq);
-+
-+/* Forward declarations. */
-+static void kgdbsibyte_init_duart(void);
-+static int kgdb_init_io(void);
-+
-+#define IMR_IP6_VAL K_INT_MAP_I4
-+#define duart_out(reg, val) csr_out32(val, IOADDR(A_DUART_CHANREG(kgdb_port,reg)))
-+#define duart_in(reg) csr_in32(IOADDR(A_DUART_CHANREG(kgdb_port,reg)))
-+
-+static void kgdb_swarm_write_char(int c)
-+{
-+ while ((duart_in(R_DUART_STATUS) & M_DUART_TX_RDY) == 0) ;
-+ duart_out(R_DUART_TX_HOLD, c);
-+}
-+
-+static int kgdb_swarm_read_char(void)
-+{
-+ int ret_char;
-+ unsigned int status;
-+
-+ status = duart_in(R_DUART_STATUS);
-+ while ((status & M_DUART_RX_RDY) == 0) {
-+ status = duart_in(R_DUART_STATUS);
-+ }
-+
-+ /*
-+ * Check for framing error
-+ */
-+ if (status & M_DUART_FRM_ERR) {
-+ kgdbsibyte_init_duart();
-+ kgdb_swarm_write_char('-');
-+ return '-';
-+ }
-+
-+ ret_char = duart_in(R_DUART_RX_HOLD);
-+
-+ return ret_char;
-+}
-+
-+void sb1250_kgdb_interrupt(struct pt_regs *regs)
-+{
-+ int kgdb_irq = K_INT_UART_0 + kgdb_port;
-+ /*
-+ * Clear break-change status (allow some time for the remote
-+ * host to stop the break, since we would see another
-+ * interrupt on the end-of-break too)
-+ */
-+ kstat_this_cpu.irqs[kgdb_irq]++;
-+ mdelay(500);
-+ duart_out(R_DUART_CMD, V_DUART_MISC_CMD_RESET_BREAK_INT |
-+ M_DUART_RX_EN | M_DUART_TX_EN);
-+ if (kgdb_io_ops.init != kgdb_init_io) {
-+ /* Throw away the data if another I/O routine is
-+ * active.
-+ */
-+ unsigned int status;
-+
-+ status = duart_in(R_DUART_STATUS);
-+ while ((status & M_DUART_RX_RDY) == 0) {
-+ status = duart_in(R_DUART_STATUS);
-+ }
-+ /*
-+ * Check for framing error
-+ */
-+ if (status & M_DUART_FRM_ERR) {
-+ kgdbsibyte_init_duart();
-+ }
-+ duart_in(R_DUART_RX_HOLD);
-+ } else
-+ breakpoint();
-+
-+}
-+
-+/*
-+ * We use port #1 and we set it for 115200 BAUD, 8n1.
-+ */
-+static void kgdbsibyte_init_duart(void)
-+{
-+ /* Set 8n1. */
-+ duart_out(R_DUART_MODE_REG_1,
-+ V_DUART_BITS_PER_CHAR_8 | V_DUART_PARITY_MODE_NONE);
-+ duart_out(R_DUART_MODE_REG_2, M_DUART_STOP_BIT_LEN_1);
-+ /* Set baud rate of 115200. */
-+ duart_out(R_DUART_CLK_SEL, V_DUART_BAUD_RATE(115200));
-+ /* Enable rx and tx */
-+ duart_out(R_DUART_CMD, M_DUART_RX_EN | M_DUART_TX_EN);
-+}
-+
-+static int kgdb_init_io(void)
-+{
-+#ifdef CONFIG_SIBYTE_SB1250_DUART
-+ sb1250_duart_present[kgdb_port] = 0;
-+#endif
-+
-+ kgdbsibyte_init_duart();
-+
-+ return 0;
-+}
-+
-+/*
-+ * Hookup our IRQ line. We will already have been initialized a
-+ * this point.
-+ */
-+static void __init kgdbsibyte_hookup_irq(void)
-+{
-+ /* Steal the IRQ. */
-+ kgdb_irq = K_INT_UART_0 + kgdb_port;
-+
-+ /* Setup uart 1 settings, mapper */
-+ __raw_writeq(M_DUART_IMR_BRK, IOADDR(A_DUART_IMRREG(kgdb_port)));
-+
-+ sb1250_steal_irq(kgdb_irq);
-+
-+ __raw_writeq(IMR_IP6_VAL,
-+ IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) +
-+ (kgdb_irq << 3)));
-+
-+ sb1250_unmask_irq(0, kgdb_irq);
-+}
-+
-+struct kgdb_io kgdb_io_ops = {
-+ .read_char = kgdb_swarm_read_char,
-+ .write_char = kgdb_swarm_write_char,
-+ .init = kgdb_init_io,
-+ .late_init = kgdbsibyte_hookup_irq,
-+ .pre_exception = NULL,
-+ .post_exception = NULL
-+};
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/sibyte/swarm/Makefile linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/swarm/Makefile
---- linux-2.6.18-53.1.14/arch/mips/sibyte/swarm/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/swarm/Makefile 2008-06-10 15:38:24.000000000 +0400
-@@ -1,3 +1 @@
- lib-y = setup.o rtc_xicor1241.o rtc_m41t81.o
--
--lib-$(CONFIG_KGDB) += dbg_io.o
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/sibyte/swarm/dbg_io.c linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/swarm/dbg_io.c
---- linux-2.6.18-53.1.14/arch/mips/sibyte/swarm/dbg_io.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/sibyte/swarm/dbg_io.c 1970-01-01 03:00:00.000000000 +0300
-@@ -1,76 +0,0 @@
--/*
-- * kgdb debug routines for SiByte boards.
-- *
-- * Copyright (C) 2001 MontaVista Software Inc.
-- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
-- *
-- * This program is free software; you can redistribute it and/or modify it
-- * under the terms of the GNU General Public License as published by the
-- * Free Software Foundation; either version 2 of the License, or (at your
-- * option) any later version.
-- *
-- */
--
--/* -------------------- BEGINNING OF CONFIG --------------------- */
--
--#include <linux/delay.h>
--#include <asm/io.h>
--#include <asm/sibyte/sb1250.h>
--#include <asm/sibyte/sb1250_regs.h>
--#include <asm/sibyte/sb1250_uart.h>
--#include <asm/sibyte/sb1250_int.h>
--#include <asm/addrspace.h>
--
--/*
-- * We use the second serial port for kgdb traffic.
-- * 115200, 8, N, 1.
-- */
--
--#define BAUD_RATE 115200
--#define CLK_DIVISOR V_DUART_BAUD_RATE(BAUD_RATE)
--#define DATA_BITS V_DUART_BITS_PER_CHAR_8 /* or 7 */
--#define PARITY V_DUART_PARITY_MODE_NONE /* or even */
--#define STOP_BITS M_DUART_STOP_BIT_LEN_1 /* or 2 */
--
--static int duart_initialized = 0; /* 0: need to be init'ed by kgdb */
--
--/* -------------------- END OF CONFIG --------------------- */
--extern int kgdb_port;
--
--#define duart_out(reg, val) csr_out32(val, IOADDR(A_DUART_CHANREG(kgdb_port,reg)))
--#define duart_in(reg) csr_in32(IOADDR(A_DUART_CHANREG(kgdb_port,reg)))
--
--void putDebugChar(unsigned char c);
--unsigned char getDebugChar(void);
--static void
--duart_init(int clk_divisor, int data, int parity, int stop)
--{
-- duart_out(R_DUART_MODE_REG_1, data | parity);
-- duart_out(R_DUART_MODE_REG_2, stop);
-- duart_out(R_DUART_CLK_SEL, clk_divisor);
--
-- duart_out(R_DUART_CMD, M_DUART_RX_EN | M_DUART_TX_EN); /* enable rx and tx */
--}
--
--void
--putDebugChar(unsigned char c)
--{
-- if (!duart_initialized) {
-- duart_initialized = 1;
-- duart_init(CLK_DIVISOR, DATA_BITS, PARITY, STOP_BITS);
-- }
-- while ((duart_in(R_DUART_STATUS) & M_DUART_TX_RDY) == 0);
-- duart_out(R_DUART_TX_HOLD, c);
--}
--
--unsigned char
--getDebugChar(void)
--{
-- if (!duart_initialized) {
-- duart_initialized = 1;
-- duart_init(CLK_DIVISOR, DATA_BITS, PARITY, STOP_BITS);
-- }
-- while ((duart_in(R_DUART_STATUS) & M_DUART_RX_RDY) == 0) ;
-- return duart_in(R_DUART_RX_HOLD);
--}
--
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/mips/tx4938/common/Makefile linux-2.6.18-53.1.14.kgdb/arch/mips/tx4938/common/Makefile
---- linux-2.6.18-53.1.14/arch/mips/tx4938/common/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/mips/tx4938/common/Makefile 2008-06-10 15:38:24.000000000 +0400
-@@ -7,5 +7,5 @@
- #
-
- obj-y += prom.o setup.o irq.o rtc_rx5c348.o
--obj-$(CONFIG_KGDB) += dbgio.o
-+obj-$(CONFIG_KGDB_8250) += dbgio.o
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/powerpc/Kconfig.debug linux-2.6.18-53.1.14.kgdb/arch/powerpc/Kconfig.debug
---- linux-2.6.18-53.1.14/arch/powerpc/Kconfig.debug 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/powerpc/Kconfig.debug 2008-06-10 15:38:14.000000000 +0400
-@@ -18,52 +18,9 @@ config DEBUG_STACK_USAGE
-
- This option will slow down process creation somewhat.
-
--config DEBUGGER
-- bool "Enable debugger hooks"
-- depends on DEBUG_KERNEL
-- help
-- Include in-kernel hooks for kernel debuggers. Unless you are
-- intending to debug the kernel, say N here.
--
--config KGDB
-- bool "Include kgdb kernel debugger"
-- depends on DEBUGGER && (BROKEN || PPC_GEN550 || 4xx)
-- select DEBUG_INFO
-- help
-- Include in-kernel hooks for kgdb, the Linux kernel source level
-- debugger. See <http://kgdb.sourceforge.net/> for more information.
-- Unless you are intending to debug the kernel, say N here.
--
--choice
-- prompt "Serial Port"
-- depends on KGDB
-- default KGDB_TTYS1
--
--config KGDB_TTYS0
-- bool "ttyS0"
--
--config KGDB_TTYS1
-- bool "ttyS1"
--
--config KGDB_TTYS2
-- bool "ttyS2"
--
--config KGDB_TTYS3
-- bool "ttyS3"
--
--endchoice
--
--config KGDB_CONSOLE
-- bool "Enable serial console thru kgdb port"
-- depends on KGDB && 8xx || CPM2
-- help
-- If you enable this, all serial console messages will be sent
-- over the gdb stub.
-- If unsure, say N.
--
- config XMON
- bool "Include xmon kernel debugger"
-- depends on DEBUGGER && !PPC_ISERIES
-+ depends on DEBUG_KERNEL && !PPC_ISERIES
- help
- Include in-kernel hooks for the xmon kernel monitor/debugger.
- Unless you are intending to debug the kernel, say N here.
-@@ -82,6 +39,11 @@ config XMON_DEFAULT
- xmon is normally disabled unless booted with 'xmon=on'.
- Use 'xmon=off' to disable xmon init during runtime.
-
-+config DEBUGGER
-+ bool
-+ depends on KGDB || XMON
-+ default y
-+
- config IRQSTACKS
- bool "Use separate kernel stacks when processing interrupts"
- depends on PPC64
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/powerpc/kernel/Makefile linux-2.6.18-53.1.14.kgdb/arch/powerpc/kernel/Makefile
---- linux-2.6.18-53.1.14/arch/powerpc/kernel/Makefile 2008-03-06 05:54:47.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/powerpc/kernel/Makefile 2008-06-10 15:38:14.000000000 +0400
-@@ -59,6 +59,7 @@ obj-$(CONFIG_PPC64) += misc_64.o dma_64
- obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o
- obj-$(CONFIG_MODULES) += ppc_ksyms.o
- obj-$(CONFIG_BOOTX_TEXT) += btext.o
-+obj-$(CONFIG_KGDB) += kgdb.o
- obj-$(CONFIG_SMP) += smp.o
- obj-$(CONFIG_KPROBES) += kprobes.o
- obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/powerpc/kernel/kgdb.c linux-2.6.18-53.1.14.kgdb/arch/powerpc/kernel/kgdb.c
---- linux-2.6.18-53.1.14/arch/powerpc/kernel/kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/powerpc/kernel/kgdb.c 2008-06-10 15:38:14.000000000 +0400
-@@ -0,0 +1,568 @@
-+/*
-+ * arch/powerpc/kernel/kgdb.c
-+ *
-+ * PowerPC backend to the KGDB stub.
-+ *
-+ * Maintainer: Tom Rini <trini@kernel.crashing.org>
-+ *
-+ * Copied from arch/ppc/kernel/kgdb.c, updated for ppc64
-+ *
-+ * Copyright (C) 1996 Paul Mackerras (setjmp/longjmp)
-+ * 1998 (c) Michael AK Tesch (tesch@cs.wisc.edu)
-+ * Copyright (C) 2003 Timesys Corporation.
-+ * Copyright (C) 2004-2006 MontaVista Software, Inc.
-+ * PPC64 Mods (C) 2005 Frank Rowand (frowand@mvista.com)
-+ * PPC32 support restored by Vitaly Wool <vwool@ru.mvista.com> and
-+ * Sergei Shtylyov <sshtylyov@ru.mvista.com>
-+ *
-+ * This file is licensed under the terms of the GNU General Public License
-+ * version 2. This program as licensed "as is" without any warranty of any
-+ * kind, whether express or implied.
-+ */
-+
-+#include <linux/config.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/kgdb.h>
-+#include <linux/smp.h>
-+#include <linux/signal.h>
-+#include <linux/ptrace.h>
-+#include <asm/current.h>
-+#include <asm/ptrace.h>
-+#include <asm/processor.h>
-+#include <asm/machdep.h>
-+
-+/*
-+ * This table contains the mapping between PowerPC hardware trap types, and
-+ * signals, which are primarily what GDB understands. GDB and the kernel
-+ * don't always agree on values, so we use constants taken from gdb-6.2.
-+ */
-+static struct hard_trap_info
-+{
-+ unsigned int tt; /* Trap type code for powerpc */
-+ unsigned char signo; /* Signal that we map this trap into */
-+} hard_trap_info[] = {
-+ { 0x0100, 0x02 /* SIGINT */ }, /* system reset */
-+ { 0x0200, 0x0b /* SIGSEGV */ }, /* machine check */
-+ { 0x0300, 0x0b /* SIGSEGV */ }, /* data access */
-+ { 0x0400, 0x0b /* SIGSEGV */ }, /* instruction access */
-+ { 0x0500, 0x02 /* SIGINT */ }, /* external interrupt */
-+ { 0x0600, 0x0a /* SIGBUS */ }, /* alignment */
-+ { 0x0700, 0x05 /* SIGTRAP */ }, /* program check */
-+ { 0x0800, 0x08 /* SIGFPE */ }, /* fp unavailable */
-+ { 0x0900, 0x0e /* SIGALRM */ }, /* decrementer */
-+ { 0x0c00, 0x14 /* SIGCHLD */ }, /* system call */
-+#if defined(CONFIG_40x) || defined(CONFIG_BOOKE)
-+ { 0x2002, 0x05 /* SIGTRAP */ }, /* debug */
-+#if defined(CONFIG_FSL_BOOKE)
-+ { 0x2010, 0x08 /* SIGFPE */ }, /* spe unavailable */
-+ { 0x2020, 0x08 /* SIGFPE */ }, /* spe unavailable */
-+ { 0x2030, 0x08 /* SIGFPE */ }, /* spe fp data */
-+ { 0x2040, 0x08 /* SIGFPE */ }, /* spe fp data */
-+ { 0x2050, 0x08 /* SIGFPE */ }, /* spe fp round */
-+ { 0x2060, 0x0e /* SIGILL */ }, /* performace monitor */
-+ { 0x2900, 0x08 /* SIGFPE */ }, /* apu unavailable */
-+ { 0x3100, 0x0e /* SIGALRM */ }, /* fixed interval timer */
-+ { 0x3200, 0x02 /* SIGINT */ }, /* watchdog */
-+#else
-+ { 0x1000, 0x0e /* SIGALRM */ }, /* programmable interval timer */
-+ { 0x1010, 0x0e /* SIGALRM */ }, /* fixed interval timer */
-+ { 0x1020, 0x02 /* SIGINT */ }, /* watchdog */
-+ { 0x2010, 0x08 /* SIGFPE */ }, /* fp unavailable */
-+ { 0x2020, 0x08 /* SIGFPE */ }, /* ap unavailable */
-+#endif
-+#else
-+ { 0x0d00, 0x05 /* SIGTRAP */ }, /* single-step */
-+#if defined(CONFIG_8xx)
-+ { 0x1000, 0x04 /* SIGILL */ }, /* software emulation */
-+#else
-+ { 0x0f00, 0x04 /* SIGILL */ }, /* performance monitor */
-+ { 0x0f20, 0x08 /* SIGFPE */ }, /* altivec unavailable */
-+ { 0x1300, 0x05 /* SIGTRAP */ }, /* instruction address break */
-+#if defined(CONFIG_PPC64)
-+ { 0x1200, 0x05 /* SIGILL */ }, /* system error */
-+ { 0x1500, 0x04 /* SIGILL */ }, /* soft patch */
-+ { 0x1600, 0x04 /* SIGILL */ }, /* maintenance */
-+ { 0x1700, 0x08 /* SIGFPE */ }, /* altivec assist */
-+ { 0x1800, 0x04 /* SIGILL */ }, /* thermal */
-+#else
-+ { 0x1400, 0x02 /* SIGINT */ }, /* SMI */
-+ { 0x1600, 0x08 /* SIGFPE */ }, /* altivec assist */
-+ { 0x1700, 0x04 /* SIGILL */ }, /* TAU */
-+ { 0x2000, 0x05 /* SIGTRAP */ }, /* run mode */
-+#endif
-+#endif
-+#endif
-+ { 0x0000, 0x00 } /* Must be last */
-+};
-+
-+extern atomic_t cpu_doing_single_step;
-+
-+static int computeSignal(unsigned int tt)
-+{
-+ struct hard_trap_info *ht;
-+
-+ for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
-+ if (ht->tt == tt)
-+ return ht->signo;
-+
-+ return SIGHUP; /* default for things we don't know about */
-+}
-+
-+static int kgdb_call_nmi_hook(struct pt_regs *regs)
-+{
-+ kgdb_nmihook(smp_processor_id(), regs);
-+ return 0;
-+}
-+
-+#ifdef CONFIG_SMP
-+void kgdb_roundup_cpus(unsigned long flags)
-+{
-+ smp_send_debugger_break(MSG_ALL_BUT_SELF);
-+}
-+#endif
-+
-+/* KGDB functions to use existing PowerPC64 hooks. */
-+static int kgdb_debugger(struct pt_regs *regs)
-+{
-+ return kgdb_handle_exception(0, computeSignal(TRAP(regs)), 0, regs);
-+}
-+
-+static int kgdb_breakpoint(struct pt_regs *regs)
-+{
-+ if (user_mode(regs))
-+ return 0;
-+
-+ kgdb_handle_exception(0, SIGTRAP, 0, regs);
-+
-+ if (*(u32 *) (regs->nip) == *(u32 *) (&arch_kgdb_ops.gdb_bpt_instr))
-+ regs->nip += 4;
-+
-+ return 1;
-+}
-+
-+static int kgdb_singlestep(struct pt_regs *regs)
-+{
-+ struct thread_info *thread_info, *exception_thread_info;
-+ if (user_mode(regs))
-+ return 0;
-+ /*
-+ * On Book E and perhaps other processsors, singlestep is handled on
-+ * the critical exception stack. This causes current_thread_info()
-+ * to fail, since it it locates the thread_info by masking off
-+ * the low bits of the current stack pointer. We work around
-+ * this issue by copying the thread_info from the kernel stack
-+ * before calling kgdb_handle_exception, and copying it back
-+ * afterwards. On most processors the copy is avoided since
-+ * exception_thread_info == thread_info.
-+ */
-+ thread_info = (struct thread_info *)(regs->gpr[1] & ~(THREAD_SIZE-1));
-+ exception_thread_info = current_thread_info();
-+
-+ if (thread_info != exception_thread_info)
-+ memcpy(exception_thread_info, thread_info, sizeof *thread_info);
-+
-+ kgdb_handle_exception(0, SIGTRAP, 0, regs);
-+
-+ if (thread_info != exception_thread_info)
-+ memcpy(thread_info, exception_thread_info, sizeof *thread_info);
-+
-+ return 1;
-+}
-+
-+int kgdb_iabr_match(struct pt_regs *regs)
-+{
-+ if (user_mode(regs))
-+ return 0;
-+
-+ kgdb_handle_exception(0, computeSignal(TRAP(regs)), 0, regs);
-+ return 1;
-+}
-+
-+int kgdb_dabr_match(struct pt_regs *regs)
-+{
-+ if (user_mode(regs))
-+ return 0;
-+
-+ kgdb_handle_exception(0, computeSignal(TRAP(regs)), 0, regs);
-+ return 1;
-+}
-+
-+#define PACK64(ptr,src) do { *(ptr++) = (src); } while(0)
-+
-+#define PACK32(ptr,src) do { \
-+ u32 *ptr32; \
-+ ptr32 = (u32 *)ptr; \
-+ *(ptr32++) = (src); \
-+ ptr = (unsigned long *)ptr32; \
-+ } while(0)
-+
-+void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+ unsigned long *ptr = gdb_regs;
-+ int reg;
-+
-+ memset(gdb_regs, 0, NUMREGBYTES);
-+
-+ for (reg = 0; reg < 32; reg++)
-+ PACK64(ptr, regs->gpr[reg]);
-+
-+#ifdef CONFIG_FSL_BOOKE
-+#ifdef CONFIG_SPE
-+ for (reg = 0; reg < 32; reg++)
-+ PACK64(ptr, current->thread.evr[reg]);
-+#else
-+ ptr += 32;
-+#endif
-+#else
-+ /* fp registers not used by kernel, leave zero */
-+ ptr += 32 * 8 / sizeof(long);
-+#endif
-+
-+ PACK64(ptr, regs->nip);
-+ PACK64(ptr, regs->msr);
-+ PACK32(ptr, regs->ccr);
-+ PACK64(ptr, regs->link);
-+ PACK64(ptr, regs->ctr);
-+ PACK32(ptr, regs->xer);
-+
-+#if 0
-+ Following are in struct thread_struct, not struct pt_regs,
-+ ignoring for now since kernel does not use them. Would it
-+ make sense to get them from the thread that kgdb is set to?
-+
-+ If this code is enabled, update the definition of NUMREGBYTES to
-+ include the vector registers and vector state registers.
-+
-+ PACK32(ptr, current->thread->fpscr);
-+
-+ /* vr registers not used by kernel, leave zero */
-+ ptr += 32 * 16 / sizeof(long);
-+
-+#ifdef CONFIG_ALTIVEC
-+ PACK32(ptr, current->thread->vscr);
-+ PACK32(ptr, current->thread->vrsave);
-+#else
-+ ptr += 2 * 4 / sizeof(long);
-+#endif
-+#else
-+#ifdef CONFIG_FSL_BOOKE
-+#ifdef CONFIG_SPE
-+ /* u64 acc */
-+ PACK32(ptr, current->thread.acc >> 32);
-+ PACK32(ptr, current->thread.acc & 0xffffffff);
-+ PACK64(ptr, current->thread.spefscr);
-+#else
-+ ptr += 2 + 1;
-+#endif
-+#else
-+ /* fpscr not used by kernel, leave zero */
-+ PACK32(ptr, 0);
-+#endif
-+#endif
-+
-+ BUG_ON((unsigned long)ptr >
-+ (unsigned long)(((void *)gdb_regs) + NUMREGBYTES));
-+}
-+
-+void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
-+{
-+ struct pt_regs *regs = (struct pt_regs *)(p->thread.ksp +
-+ STACK_FRAME_OVERHEAD);
-+ unsigned long *ptr = gdb_regs;
-+ int reg;
-+
-+ memset(gdb_regs, 0, NUMREGBYTES);
-+
-+ /* Regs GPR0-2 */
-+ for (reg = 0; reg < 3; reg++)
-+ PACK64(ptr, regs->gpr[reg]);
-+
-+ /* Regs GPR3-13 are caller saved, not in regs->gpr[] */
-+ ptr += 11;
-+
-+ /* Regs GPR14-31 */
-+ for (reg = 14; reg < 32; reg++)
-+ PACK64(ptr, regs->gpr[reg]);
-+
-+#ifdef CONFIG_FSL_BOOKE
-+#ifdef CONFIG_SPE
-+ for (reg = 0; reg < 32; reg++)
-+ PACK64(ptr, p->thread.evr[reg]);
-+#else
-+ ptr += 32;
-+#endif
-+#else
-+ /* fp registers not used by kernel, leave zero */
-+ ptr += 32 * 8 / sizeof(long);
-+#endif
-+ PACK64(ptr, regs->nip);
-+ PACK64(ptr, regs->msr);
-+ PACK32(ptr, regs->ccr);
-+ PACK64(ptr, regs->link);
-+ PACK64(ptr, regs->ctr);
-+ PACK32(ptr, regs->xer);
-+
-+#if 0
-+ Following are in struct thread_struct, not struct pt_regs,
-+ ignoring for now since kernel does not use them. Would it
-+ make sense to get them from the thread that kgdb is set to?
-+
-+ If this code is enabled, update the definition of NUMREGBYTES to
-+ include the vector registers and vector state registers.
-+
-+ PACK32(ptr, p->thread->fpscr);
-+
-+ /* vr registers not used by kernel, leave zero */
-+ ptr += 32 * 16 / sizeof(long);
-+
-+#ifdef CONFIG_ALTIVEC
-+ PACK32(ptr, p->thread->vscr);
-+ PACK32(ptr, p->thread->vrsave);
-+#else
-+ ptr += 2 * 4 / sizeof(long);
-+#endif
-+#else
-+#ifdef CONFIG_FSL_BOOKE
-+#ifdef CONFIG_SPE
-+ /* u64 acc */
-+ PACK32(ptr, p->thread.acc >> 32);
-+ PACK32(ptr, p->thread.acc & 0xffffffff);
-+ PACK64(ptr, p->thread.spefscr);
-+#else
-+ ptr += 2 + 1;
-+#endif
-+#else
-+ /* fpscr not used by kernel, leave zero */
-+ PACK32(ptr, 0);
-+#endif
-+#endif
-+
-+ BUG_ON((unsigned long)ptr >
-+ (unsigned long)(((void *)gdb_regs) + NUMREGBYTES));
-+}
-+
-+#define UNPACK64(dest,ptr) do { dest = *(ptr++); } while(0)
-+
-+#define UNPACK32(dest,ptr) do { \
-+ u32 *ptr32; \
-+ ptr32 = (u32 *)ptr; \
-+ dest = *(ptr32++); \
-+ ptr = (unsigned long *)ptr32; \
-+ } while(0)
-+
-+void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+ unsigned long *ptr = gdb_regs;
-+ int reg;
-+
-+#ifdef CONFIG_SPE
-+ union {
-+ u32 v32[2];
-+ u64 v64;
-+ } acc;
-+#endif
-+ for (reg = 0; reg < 32; reg++)
-+ UNPACK64(regs->gpr[reg], ptr);
-+
-+#ifdef CONFIG_FSL_BOOKE
-+#ifdef CONFIG_SPE
-+ for (reg = 0; reg < 32; reg++)
-+ UNPACK64(current->thread.evr[reg], ptr);
-+#else
-+ ptr += 32;
-+#endif
-+#else
-+ /* fp registers not used by kernel, leave zero */
-+ ptr += 32 * 8 / sizeof(int);
-+#endif
-+ UNPACK64(regs->nip, ptr);
-+ UNPACK64(regs->msr, ptr);
-+ UNPACK32(regs->ccr, ptr);
-+ UNPACK64(regs->link, ptr);
-+ UNPACK64(regs->ctr, ptr);
-+ UNPACK32(regs->xer, ptr);
-+
-+#if 0
-+ Following are in struct thread_struct, not struct pt_regs,
-+ ignoring for now since kernel does not use them. Would it
-+ make sense to get them from the thread that kgdb is set to?
-+
-+ If this code is enabled, update the definition of NUMREGBYTES to
-+ include the vector registers and vector state registers.
-+
-+ /* fpscr, vscr, vrsave not used by kernel, leave unchanged */
-+
-+ UNPACK32(current->thread->fpscr, ptr);
-+
-+ /* vr registers not used by kernel, leave zero */
-+ ptr += 32 * 16 / sizeof(long);
-+
-+ #ifdef CONFIG_ALTIVEC
-+ UNPACK32(current->thread->vscr, ptr);
-+ UNPACK32(current->thread->vrsave, ptr);
-+#else
-+ ptr += 2 * 4 / sizeof(long);
-+#endif
-+#else
-+#ifdef CONFIG_FSL_BOOKE
-+#ifdef CONFIG_SPE
-+ /* u64 acc */
-+ UNPACK32(acc.v32[0], ptr);
-+ UNPACK32(acc.v32[1], ptr);
-+ current->thread.acc = acc.v64;
-+ UNPACK64(current->thread.spefscr, ptr);
-+#else
-+ ptr += 2 + 1;
-+#endif
-+#endif
-+#endif
-+
-+ BUG_ON((unsigned long)ptr >
-+ (unsigned long)(((void *)gdb_regs) + NUMREGBYTES));
-+}
-+
-+/*
-+ * This function does PowerPC specific procesing for interfacing to gdb.
-+ */
-+int kgdb_arch_handle_exception(int vector, int signo, int err_code,
-+ char *remcom_in_buffer, char *remcom_out_buffer,
-+ struct pt_regs *linux_regs)
-+{
-+ char *ptr = &remcom_in_buffer[1];
-+ unsigned long addr;
-+
-+ switch (remcom_in_buffer[0]) {
-+ /*
-+ * sAA..AA Step one instruction from AA..AA
-+ * This will return an error to gdb ..
-+ */
-+ case 's':
-+ case 'c':
-+ /* handle the optional parameter */
-+ if (kgdb_hex2long(&ptr, &addr))
-+ linux_regs->nip = addr;
-+
-+ atomic_set(&cpu_doing_single_step, -1);
-+ /* set the trace bit if we're stepping */
-+ if (remcom_in_buffer[0] == 's') {
-+#if defined(CONFIG_40x) || defined(CONFIG_BOOKE)
-+ mtspr(SPRN_DBCR0,
-+ mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM);
-+ linux_regs->msr |= MSR_DE;
-+#else
-+ linux_regs->msr |= MSR_SE;
-+#endif
-+ debugger_step = 1;
-+ if (kgdb_contthread)
-+ atomic_set(&cpu_doing_single_step,
-+ smp_processor_id());
-+ }
-+ return 0;
-+ }
-+
-+ return -1;
-+}
-+
-+int kgdb_fault_setjmp(unsigned long *curr_context)
-+{
-+#ifdef CONFIG_PPC32
-+ __asm__ __volatile__("mflr 0; stw 0,0(%0);\n\
-+ stw 1,4(%0); stw 2,8(%0);\n\
-+ mfcr 0; stw 0,12(%0);\n\
-+ stmw 13,16(%0)\n" : : "r" (curr_context));
-+#else
-+ __asm__ __volatile__("mflr 0; std 0,0(%0)\n\
-+ std 1,8(%0)\n\
-+ std 2,16(%0)\n\
-+ mfcr 0; std 0,24(%0)\n\
-+ std 13,32(%0)\n\
-+ std 14,40(%0)\n\
-+ std 15,48(%0)\n\
-+ std 16,56(%0)\n\
-+ std 17,64(%0)\n\
-+ std 18,72(%0)\n\
-+ std 19,80(%0)\n\
-+ std 20,88(%0)\n\
-+ std 21,96(%0)\n\
-+ std 22,104(%0)\n\
-+ std 23,112(%0)\n\
-+ std 24,120(%0)\n\
-+ std 25,128(%0)\n\
-+ std 26,136(%0)\n\
-+ std 27,144(%0)\n\
-+ std 28,152(%0)\n\
-+ std 29,160(%0)\n\
-+ std 30,168(%0)\n\
-+ std 31,176(%0)\n" : : "r" (curr_context));
-+#endif
-+ return 0;
-+}
-+
-+void kgdb_fault_longjmp(unsigned long *curr_context)
-+{
-+#ifdef CONFIG_PPC32
-+ __asm__ __volatile__("lmw 13,16(%0);\n\
-+ lwz 0,12(%0); mtcrf 0x38,0;\n\
-+ lwz 0,0(%0); lwz 1,4(%0); lwz 2,8(%0);\n\
-+ mtlr 0; mr 3,1\n" : : "r" (curr_context));
-+#else
-+ __asm__ __volatile__("ld 13,32(%0)\n\
-+ ld 14,40(%0)\n\
-+ ld 15,48(%0)\n\
-+ ld 16,56(%0)\n\
-+ ld 17,64(%0)\n\
-+ ld 18,72(%0)\n\
-+ ld 19,80(%0)\n\
-+ ld 20,88(%0)\n\
-+ ld 21,96(%0)\n\
-+ ld 22,104(%0)\n\
-+ ld 23,112(%0)\n\
-+ ld 24,120(%0)\n\
-+ ld 25,128(%0)\n\
-+ ld 26,136(%0)\n\
-+ ld 27,144(%0)\n\
-+ ld 28,152(%0)\n\
-+ ld 29,160(%0)\n\
-+ ld 30,168(%0)\n\
-+ ld 31,176(%0)\n\
-+ ld 0,24(%0)\n\
-+ mtcrf 0x38,0\n\
-+ ld 0,0(%0)\n\
-+ ld 1,8(%0)\n\
-+ ld 2,16(%0)\n\
-+ mtlr 0\n\
-+ mr 3,1\n" : : "r" (curr_context));
-+#endif
-+}
-+
-+/*
-+ * Global data
-+ */
-+struct kgdb_arch arch_kgdb_ops = {
-+ .gdb_bpt_instr = {0x7d, 0x82, 0x10, 0x08},
-+};
-+
-+int kgdb_not_implemented(struct pt_regs *regs)
-+{
-+ return 0;
-+}
-+
-+int kgdb_arch_init(void)
-+{
-+#ifdef CONFIG_XMON
-+#error Both XMON and KGDB selected in .config. Unselect one of them.
-+#endif
-+
-+ __debugger_ipi = kgdb_call_nmi_hook;
-+ __debugger = kgdb_debugger;
-+ __debugger_bpt = kgdb_breakpoint;
-+ __debugger_sstep = kgdb_singlestep;
-+ __debugger_iabr_match = kgdb_iabr_match;
-+ __debugger_dabr_match = kgdb_dabr_match;
-+ __debugger_fault_handler = kgdb_not_implemented;
-+
-+ return 0;
-+}
-+
-+arch_initcall(kgdb_arch_init);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/powerpc/kernel/legacy_serial.c linux-2.6.18-53.1.14.kgdb/arch/powerpc/kernel/legacy_serial.c
---- linux-2.6.18-53.1.14/arch/powerpc/kernel/legacy_serial.c 2008-03-06 05:54:47.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/powerpc/kernel/legacy_serial.c 2008-06-10 15:38:14.000000000 +0400
-@@ -11,6 +11,9 @@
- #include <asm/udbg.h>
- #include <asm/pci-bridge.h>
- #include <asm/ppc-pci.h>
-+#ifdef CONFIG_KGDB_8250
-+#include <linux/kgdb.h>
-+#endif
-
- #undef DEBUG
-
-@@ -485,6 +488,9 @@ static int __init serial_dev_init(void)
- fixup_port_pio(i, np, port);
- if ((port->iotype == UPIO_MEM) || (port->iotype == UPIO_TSI))
- fixup_port_mmio(i, np, port);
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_platform_port(i, port);
-+#endif
- }
-
- DBG("Registering platform serial ports\n");
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/powerpc/kernel/setup_32.c linux-2.6.18-53.1.14.kgdb/arch/powerpc/kernel/setup_32.c
---- linux-2.6.18-53.1.14/arch/powerpc/kernel/setup_32.c 2008-03-06 05:54:45.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/powerpc/kernel/setup_32.c 2008-06-10 15:38:14.000000000 +0400
-@@ -45,10 +45,6 @@
-
- #define DBG(fmt...)
-
--#if defined CONFIG_KGDB
--#include <asm/kgdb.h>
--#endif
--
- extern void bootx_init(unsigned long r4, unsigned long phys);
-
- struct ide_machdep_calls ppc_ide_md;
-@@ -251,18 +247,6 @@ void __init setup_arch(char **cmdline_p)
-
- xmon_setup();
-
--#if defined(CONFIG_KGDB)
-- if (ppc_md.kgdb_map_scc)
-- ppc_md.kgdb_map_scc();
-- set_debug_traps();
-- if (strstr(cmd_line, "gdb")) {
-- if (ppc_md.progress)
-- ppc_md.progress("setup_arch: kgdb breakpoint", 0x4000);
-- printk("kgdb breakpoint activated\n");
-- breakpoint();
-- }
--#endif
--
- /*
- * Set cache line size based on type of cpu as a default.
- * Systems with OF can look in the properties on the cpu node(s)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/powerpc/mm/fault.c linux-2.6.18-53.1.14.kgdb/arch/powerpc/mm/fault.c
---- linux-2.6.18-53.1.14/arch/powerpc/mm/fault.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/powerpc/mm/fault.c 2008-06-10 15:38:14.000000000 +0400
-@@ -28,6 +28,7 @@
- #include <linux/highmem.h>
- #include <linux/module.h>
- #include <linux/kprobes.h>
-+#include <linux/kgdb.h>
-
- #include <asm/page.h>
- #include <asm/pgtable.h>
-@@ -424,6 +425,13 @@ void bad_page_fault(struct pt_regs *regs
- return;
- }
-
-+#ifdef CONFIG_KGDB
-+ if (atomic_read(&debugger_active) && kgdb_may_fault)
-+ /* Restore our previous state. */
-+ kgdb_fault_longjmp(kgdb_fault_jmp_regs);
-+ /* Not reached. */
-+#endif
-+
- /* kernel has accessed a bad area */
-
- printk(KERN_ALERT "Unable to handle kernel paging request for ");
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/powerpc/platforms/powermac/setup.c linux-2.6.18-53.1.14.kgdb/arch/powerpc/platforms/powermac/setup.c
---- linux-2.6.18-53.1.14/arch/powerpc/platforms/powermac/setup.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/powerpc/platforms/powermac/setup.c 2008-06-10 15:38:14.000000000 +0400
-@@ -98,8 +98,6 @@ extern struct machdep_calls pmac_md;
- int sccdbg;
- #endif
-
--extern void zs_kgdb_hook(int tty_num);
--
- sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;
- EXPORT_SYMBOL(sys_ctrler);
-
-@@ -319,10 +317,6 @@ static void __init pmac_setup_arch(void)
- l2cr_init();
- #endif /* CONFIG_PPC32 */
-
--#ifdef CONFIG_KGDB
-- zs_kgdb_hook(0);
--#endif
--
- find_via_cuda();
- find_via_pmu();
- smu_init();
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/Kconfig.debug linux-2.6.18-53.1.14.kgdb/arch/ppc/Kconfig.debug
---- linux-2.6.18-53.1.14/arch/ppc/Kconfig.debug 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/Kconfig.debug 2008-06-10 15:38:14.000000000 +0400
-@@ -2,42 +2,6 @@ menu "Kernel hacking"
-
- source "lib/Kconfig.debug"
-
--config KGDB
-- bool "Include kgdb kernel debugger"
-- depends on DEBUG_KERNEL && (BROKEN || PPC_GEN550 || 4xx)
-- select DEBUG_INFO
-- help
-- Include in-kernel hooks for kgdb, the Linux kernel source level
-- debugger. See <http://kgdb.sourceforge.net/> for more information.
-- Unless you are intending to debug the kernel, say N here.
--
--choice
-- prompt "Serial Port"
-- depends on KGDB
-- default KGDB_TTYS1
--
--config KGDB_TTYS0
-- bool "ttyS0"
--
--config KGDB_TTYS1
-- bool "ttyS1"
--
--config KGDB_TTYS2
-- bool "ttyS2"
--
--config KGDB_TTYS3
-- bool "ttyS3"
--
--endchoice
--
--config KGDB_CONSOLE
-- bool "Enable serial console thru kgdb port"
-- depends on KGDB && 8xx || CPM2
-- help
-- If you enable this, all serial console messages will be sent
-- over the gdb stub.
-- If unsure, say N.
--
- config XMON
- bool "Include xmon kernel debugger"
- depends on DEBUG_KERNEL
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/kernel/kgdb.c linux-2.6.18-53.1.14.kgdb/arch/ppc/kernel/kgdb.c
---- linux-2.6.18-53.1.14/arch/ppc/kernel/kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/kernel/kgdb.c 2008-06-10 15:39:34.000000000 +0400
-@@ -0,0 +1,350 @@
-+/*
-+ * arch/ppc/kernel/kgdb.c
-+ *
-+ * PowerPC backend to the KGDB stub.
-+ *
-+ * Maintainer: Tom Rini <trini@kernel.crashing.org>
-+ *
-+ * 1998 (c) Michael AK Tesch (tesch@cs.wisc.edu)
-+ * Copyright (C) 2003 Timesys Corporation.
-+ * 2004 (c) MontaVista Software, Inc.
-+ *
-+ * This file is licensed under the terms of the GNU General Public License
-+ * version 2. This program as licensed "as is" without any warranty of any
-+ * kind, whether express or implied.
-+ */
-+
-+#include <linux/config.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/kgdb.h>
-+#include <linux/smp.h>
-+#include <linux/signal.h>
-+#include <linux/ptrace.h>
-+#include <asm/current.h>
-+#include <asm/ptrace.h>
-+#include <asm/processor.h>
-+#include <asm/machdep.h>
-+
-+/*
-+ * This table contains the mapping between PowerPC hardware trap types, and
-+ * signals, which are primarily what GDB understands. GDB and the kernel
-+ * don't always agree on values, so we use constants taken from gdb-6.2.
-+ */
-+static struct hard_trap_info
-+{
-+ unsigned int tt; /* Trap type code for powerpc */
-+ unsigned char signo; /* Signal that we map this trap into */
-+} hard_trap_info[] = {
-+#if defined(CONFIG_40x) || defined(CONFIG_BOOKE)
-+ { 0x0100, 0x02 /* SIGINT */ }, /* critical input interrupt */
-+ { 0x0200, 0x0b /* SIGSEGV */ }, /* machine check */
-+ { 0x0300, 0x0b /* SIGSEGV */ }, /* data storage */
-+ { 0x0400, 0x0a /* SIGBUS */ }, /* instruction storage */
-+ { 0x0500, 0x02 /* SIGINT */ }, /* interrupt */
-+ { 0x0600, 0x0a /* SIGBUS */ }, /* alignment */
-+ { 0x0700, 0x04 /* SIGILL */ }, /* program */
-+ { 0x0800, 0x04 /* SIGILL */ }, /* reserved */
-+ { 0x0900, 0x04 /* SIGILL */ }, /* reserved */
-+ { 0x0a00, 0x04 /* SIGILL */ }, /* reserved */
-+ { 0x0b00, 0x04 /* SIGILL */ }, /* reserved */
-+ { 0x0c00, 0x14 /* SIGCHLD */ }, /* syscall */
-+ { 0x0d00, 0x04 /* SIGILL */ }, /* reserved */
-+ { 0x0e00, 0x04 /* SIGILL */ }, /* reserved */
-+ { 0x0f00, 0x04 /* SIGILL */ }, /* reserved */
-+ { 0x2002, 0x05 /* SIGTRAP */}, /* debug */
-+#else
-+ { 0x0200, 0x0b /* SIGSEGV */ }, /* machine check */
-+ { 0x0300, 0x0b /* SIGSEGV */ }, /* address error (store) */
-+ { 0x0400, 0x0a /* SIGBUS */ }, /* instruction bus error */
-+ { 0x0500, 0x02 /* SIGINT */ }, /* interrupt */
-+ { 0x0600, 0x0a /* SIGBUS */ }, /* alingment */
-+ { 0x0700, 0x05 /* SIGTRAP */ }, /* breakpoint trap */
-+ { 0x0800, 0x08 /* SIGFPE */}, /* fpu unavail */
-+ { 0x0900, 0x0e /* SIGALRM */ }, /* decrementer */
-+ { 0x0a00, 0x04 /* SIGILL */ }, /* reserved */
-+ { 0x0b00, 0x04 /* SIGILL */ }, /* reserved */
-+ { 0x0c00, 0x14 /* SIGCHLD */ }, /* syscall */
-+ { 0x0d00, 0x05 /* SIGTRAP */ }, /* single-step/watch */
-+ { 0x0e00, 0x08 /* SIGFPE */ }, /* fp assist */
-+#endif
-+ { 0x0000, 0x000 } /* Must be last */
-+};
-+
-+extern atomic_t cpu_doing_single_step;
-+
-+static int computeSignal(unsigned int tt)
-+{
-+ struct hard_trap_info *ht;
-+
-+ for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
-+ if (ht->tt == tt)
-+ return ht->signo;
-+
-+ return SIGHUP; /* default for things we don't know about */
-+}
-+
-+/* KGDB functions to use existing PowerPC hooks. */
-+static void kgdb_debugger(struct pt_regs *regs)
-+{
-+ kgdb_handle_exception(0, computeSignal(TRAP(regs)), 0, regs);
-+}
-+
-+static int kgdb_breakpoint(struct pt_regs *regs)
-+{
-+ if (user_mode(regs))
-+ return 0;
-+
-+ kgdb_handle_exception(0, SIGTRAP, 0, regs);
-+
-+ if (*(u32 *) (regs->nip) == *(u32 *) (&arch_kgdb_ops.gdb_bpt_instr))
-+ regs->nip += 4;
-+
-+ return 1;
-+}
-+
-+static int kgdb_singlestep(struct pt_regs *regs)
-+{
-+ struct thread_info *thread_info, *exception_thread_info;
-+
-+ if (user_mode(regs))
-+ return 0;
-+ /*
-+ * On Book E and perhaps other processsors, singlestep is handled on
-+ * the critical exception stack. This causes current_thread_info()
-+ * to fail, since it it locates the thread_info by masking off
-+ * the low bits of the current stack pointer. We work around
-+ * this issue by copying the thread_info from the kernel stack
-+ * before calling kgdb_handle_exception, and copying it back
-+ * afterwards. On most processors the copy is avoided since
-+ * exception_thread_info == thread_info.
-+ */
-+ thread_info = (struct thread_info *)(regs->gpr[1] & ~(THREAD_SIZE-1));
-+ exception_thread_info = current_thread_info();
-+
-+ if (thread_info != exception_thread_info)
-+ memcpy(exception_thread_info, thread_info, sizeof *thread_info);
-+
-+ kgdb_handle_exception(0, SIGTRAP, 0, regs);
-+
-+ if (thread_info != exception_thread_info)
-+ memcpy(thread_info, exception_thread_info, sizeof *thread_info);
-+
-+ return 1;
-+}
-+
-+int kgdb_iabr_match(struct pt_regs *regs)
-+{
-+ if (user_mode(regs))
-+ return 0;
-+
-+ kgdb_handle_exception(0, computeSignal(TRAP(regs)), 0, regs);
-+ return 1;
-+}
-+
-+int kgdb_dabr_match(struct pt_regs *regs)
-+{
-+ if (user_mode(regs))
-+ return 0;
-+
-+ kgdb_handle_exception(0, computeSignal(TRAP(regs)), 0, regs);
-+ return 1;
-+}
-+
-+void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+ int reg;
-+ unsigned long *ptr = gdb_regs;
-+
-+ memset(gdb_regs, 0, MAXREG * 4);
-+
-+ for (reg = 0; reg < 32; reg++)
-+ *(ptr++) = regs->gpr[reg];
-+
-+#ifndef CONFIG_E500
-+ for (reg = 0; reg < 64; reg++)
-+ *(ptr++) = 0;
-+#else
-+ for (reg = 0; reg < 32; reg++)
-+ *(ptr++) = current->thread.evr[reg];
-+#endif
-+
-+ *(ptr++) = regs->nip;
-+ *(ptr++) = regs->msr;
-+ *(ptr++) = regs->ccr;
-+ *(ptr++) = regs->link;
-+ *(ptr++) = regs->ctr;
-+ *(ptr++) = regs->xer;
-+
-+#ifdef CONFIG_SPE
-+ /* u64 acc */
-+ *(ptr++) = (current->thread.acc >> 32);
-+ *(ptr++) = (current->thread.acc & 0xffffffff);
-+ *(ptr++) = current->thread.spefscr;
-+#endif
-+}
-+
-+void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
-+{
-+ struct pt_regs *regs = (struct pt_regs *)(p->thread.ksp +
-+ STACK_FRAME_OVERHEAD);
-+ int reg;
-+ unsigned long *ptr = gdb_regs;
-+
-+ memset(gdb_regs, 0, MAXREG * 4);
-+
-+ /* Regs GPR0-2 */
-+ for (reg = 0; reg < 3; reg++)
-+ *(ptr++) = regs->gpr[reg];
-+
-+ /* Regs GPR3-13 are not saved */
-+ for (reg = 3; reg < 14; reg++)
-+ *(ptr++) = 0;
-+
-+ /* Regs GPR14-31 */
-+ for (reg = 14; reg < 32; reg++)
-+ *(ptr++) = regs->gpr[reg];
-+
-+#ifndef CONFIG_E500
-+ for (reg = 0; reg < 64; reg++)
-+ *(ptr++) = 0;
-+#else
-+ for (reg = 0; reg < 32; reg++)
-+ *(ptr++) = current->thread.evr[reg];
-+#endif
-+
-+ *(ptr++) = regs->nip;
-+ *(ptr++) = regs->msr;
-+ *(ptr++) = regs->ccr;
-+ *(ptr++) = regs->link;
-+ *(ptr++) = regs->ctr;
-+ *(ptr++) = regs->xer;
-+
-+#ifdef CONFIG_SPE
-+ /* u64 acc */
-+ *(ptr++) = (current->thread.acc >> 32);
-+ *(ptr++) = (current->thread.acc & 0xffffffff);
-+ *(ptr++) = current->thread.spefscr;
-+#endif
-+}
-+
-+void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+ int reg;
-+ unsigned long *ptr = gdb_regs;
-+#ifdef CONFIG_SPE
-+ union {
-+ u32 v32[2];
-+ u64 v64;
-+ } u;
-+#endif
-+
-+ for (reg = 0; reg < 32; reg++)
-+ regs->gpr[reg] = *(ptr++);
-+
-+#ifndef CONFIG_E500
-+ for (reg = 0; reg < 64; reg++)
-+ ptr++;
-+#else
-+ for (reg = 0; reg < 32; reg++)
-+ current->thread.evr[reg] = *(ptr++);
-+#endif
-+
-+ regs->nip = *(ptr++);
-+ regs->msr = *(ptr++);
-+ regs->ccr = *(ptr++);
-+ regs->link = *(ptr++);
-+ regs->ctr = *(ptr++);
-+ regs->xer = *(ptr++);
-+
-+#ifdef CONFIG_SPE
-+ /* u64 acc */
-+ u.v32[0] = *(ptr++);
-+ u.v32[1] = *(ptr++);
-+ current->thread.acc = u.v64;
-+ current->thread.spefscr = *(ptr++);
-+#endif
-+}
-+
-+/*
-+ * Save/restore state in case a memory access causes a fault.
-+ */
-+int kgdb_fault_setjmp(unsigned long *curr_context)
-+{
-+ __asm__ __volatile__("mflr 0; stw 0,0(%0);"
-+ "stw 1,4(%0); stw 2,8(%0);"
-+ "mfcr 0; stw 0,12(%0);"
-+ "stmw 13,16(%0)"::"r"(curr_context));
-+ return 0;
-+}
-+
-+void kgdb_fault_longjmp(unsigned long *curr_context)
-+{
-+ __asm__ __volatile__("lmw 13,16(%0);"
-+ "lwz 0,12(%0); mtcrf 0x38,0;"
-+ "lwz 0,0(%0); lwz 1,4(%0); lwz 2,8(%0);"
-+ "mtlr 0; mr 3,1"::"r"(curr_context));
-+}
-+
-+/*
-+ * This function does PoerPC specific procesing for interfacing to gdb.
-+ */
-+int kgdb_arch_handle_exception(int vector, int signo, int err_code,
-+ char *remcom_in_buffer, char *remcom_out_buffer,
-+ struct pt_regs *linux_regs)
-+{
-+ char *ptr = &remcom_in_buffer[1];
-+ unsigned long addr;
-+
-+ switch (remcom_in_buffer[0])
-+ {
-+ /*
-+ * sAA..AA Step one instruction from AA..AA
-+ * This will return an error to gdb ..
-+ */
-+ case 's':
-+ case 'c':
-+ /* handle the optional parameter */
-+ if (kgdb_hex2long (&ptr, &addr))
-+ linux_regs->nip = addr;
-+
-+ atomic_set(&cpu_doing_single_step, -1);
-+ /* set the trace bit if we're stepping */
-+ if (remcom_in_buffer[0] == 's') {
-+#if defined (CONFIG_40x) || defined(CONFIG_BOOKE)
-+ mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) |
-+ DBCR0_IC | DBCR0_IDM);
-+ linux_regs->msr |= MSR_DE;
-+#else
-+ linux_regs->msr |= MSR_SE;
-+#endif
-+ debugger_step = 1;
-+ if (kgdb_contthread)
-+ atomic_set(&cpu_doing_single_step,
-+ smp_processor_id());
-+ }
-+ return 0;
-+ }
-+
-+ return -1;
-+}
-+
-+/*
-+ * Global data
-+ */
-+struct kgdb_arch arch_kgdb_ops = {
-+ .gdb_bpt_instr = {0x7d, 0x82, 0x10, 0x08},
-+};
-+
-+int kgdb_arch_init(void)
-+{
-+ debugger = kgdb_debugger;
-+ debugger_bpt = kgdb_breakpoint;
-+ debugger_sstep = kgdb_singlestep;
-+ debugger_iabr_match = kgdb_iabr_match;
-+ debugger_dabr_match = kgdb_dabr_match;
-+
-+ return 0;
-+}
-+
-+arch_initcall(kgdb_arch_init);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/kernel/ppc-stub.c linux-2.6.18-53.1.14.kgdb/arch/ppc/kernel/ppc-stub.c
---- linux-2.6.18-53.1.14/arch/ppc/kernel/ppc-stub.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/kernel/ppc-stub.c 1970-01-01 03:00:00.000000000 +0300
-@@ -1,866 +0,0 @@
--/*
-- * ppc-stub.c: KGDB support for the Linux kernel.
-- *
-- * adapted from arch/sparc/kernel/sparc-stub.c for the PowerPC
-- * some stuff borrowed from Paul Mackerras' xmon
-- * Copyright (C) 1998 Michael AK Tesch (tesch@cs.wisc.edu)
-- *
-- * Modifications to run under Linux
-- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
-- *
-- * This file originally came from the gdb sources, and the
-- * copyright notices have been retained below.
-- */
--
--/****************************************************************************
--
-- THIS SOFTWARE IS NOT COPYRIGHTED
--
-- HP offers the following for use in the public domain. HP makes no
-- warranty with regard to the software or its performance and the
-- user accepts the software "AS IS" with all faults.
--
-- HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD
-- TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-- OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
--
--****************************************************************************/
--
--/****************************************************************************
-- * Header: remcom.c,v 1.34 91/03/09 12:29:49 glenne Exp $
-- *
-- * Module name: remcom.c $
-- * Revision: 1.34 $
-- * Date: 91/03/09 12:29:49 $
-- * Contributor: Lake Stevens Instrument Division$
-- *
-- * Description: low level support for gdb debugger. $
-- *
-- * Considerations: only works on target hardware $
-- *
-- * Written by: Glenn Engel $
-- * ModuleState: Experimental $
-- *
-- * NOTES: See Below $
-- *
-- * Modified for SPARC by Stu Grossman, Cygnus Support.
-- *
-- * This code has been extensively tested on the Fujitsu SPARClite demo board.
-- *
-- * To enable debugger support, two things need to happen. One, a
-- * call to set_debug_traps() is necessary in order to allow any breakpoints
-- * or error conditions to be properly intercepted and reported to gdb.
-- * Two, a breakpoint needs to be generated to begin communication. This
-- * is most easily accomplished by a call to breakpoint(). Breakpoint()
-- * simulates a breakpoint by executing a trap #1.
-- *
-- *************
-- *
-- * The following gdb commands are supported:
-- *
-- * command function Return value
-- *
-- * g return the value of the CPU registers hex data or ENN
-- * G set the value of the CPU registers OK or ENN
-- * qOffsets Get section offsets. Reply is Text=xxx;Data=yyy;Bss=zzz
-- *
-- * mAA..AA,LLLL Read LLLL bytes at address AA..AA hex data or ENN
-- * MAA..AA,LLLL: Write LLLL bytes at address AA.AA OK or ENN
-- *
-- * c Resume at current address SNN ( signal NN)
-- * cAA..AA Continue at address AA..AA SNN
-- *
-- * s Step one instruction SNN
-- * sAA..AA Step one instruction from AA..AA SNN
-- *
-- * k kill
-- *
-- * ? What was the last sigval ? SNN (signal NN)
-- *
-- * bBB..BB Set baud rate to BB..BB OK or BNN, then sets
-- * baud rate
-- *
-- * All commands and responses are sent with a packet which includes a
-- * checksum. A packet consists of
-- *
-- * $<packet info>#<checksum>.
-- *
-- * where
-- * <packet info> :: <characters representing the command or response>
-- * <checksum> :: <two hex digits computed as modulo 256 sum of <packetinfo>>
-- *
-- * When a packet is received, it is first acknowledged with either '+' or '-'.
-- * '+' indicates a successful transfer. '-' indicates a failed transfer.
-- *
-- * Example:
-- *
-- * Host: Reply:
-- * $m0,10#2a +$00010203040506070809101112131415#42
-- *
-- ****************************************************************************/
--
--#include <linux/kernel.h>
--#include <linux/string.h>
--#include <linux/mm.h>
--#include <linux/smp.h>
--#include <linux/smp_lock.h>
--#include <linux/init.h>
--#include <linux/sysrq.h>
--
--#include <asm/cacheflush.h>
--#include <asm/system.h>
--#include <asm/signal.h>
--#include <asm/kgdb.h>
--#include <asm/pgtable.h>
--#include <asm/ptrace.h>
--
--void breakinst(void);
--
--/*
-- * BUFMAX defines the maximum number of characters in inbound/outbound buffers
-- * at least NUMREGBYTES*2 are needed for register packets
-- */
--#define BUFMAX 2048
--static char remcomInBuffer[BUFMAX];
--static char remcomOutBuffer[BUFMAX];
--
--static int initialized;
--static int kgdb_active;
--static int kgdb_started;
--static u_int fault_jmp_buf[100];
--static int kdebug;
--
--
--static const char hexchars[]="0123456789abcdef";
--
--/* Place where we save old trap entries for restoration - sparc*/
--/* struct tt_entry kgdb_savettable[256]; */
--/* typedef void (*trapfunc_t)(void); */
--
--static void kgdb_fault_handler(struct pt_regs *regs);
--static int handle_exception (struct pt_regs *regs);
--
--#if 0
--/* Install an exception handler for kgdb */
--static void exceptionHandler(int tnum, unsigned int *tfunc)
--{
-- /* We are dorking with a live trap table, all irqs off */
--}
--#endif
--
--int
--kgdb_setjmp(long *buf)
--{
-- asm ("mflr 0; stw 0,0(%0);"
-- "stw 1,4(%0); stw 2,8(%0);"
-- "mfcr 0; stw 0,12(%0);"
-- "stmw 13,16(%0)"
-- : : "r" (buf));
-- /* XXX should save fp regs as well */
-- return 0;
--}
--void
--kgdb_longjmp(long *buf, int val)
--{
-- if (val == 0)
-- val = 1;
-- asm ("lmw 13,16(%0);"
-- "lwz 0,12(%0); mtcrf 0x38,0;"
-- "lwz 0,0(%0); lwz 1,4(%0); lwz 2,8(%0);"
-- "mtlr 0; mr 3,%1"
-- : : "r" (buf), "r" (val));
--}
--/* Convert ch from a hex digit to an int */
--static int
--hex(unsigned char ch)
--{
-- if (ch >= 'a' && ch <= 'f')
-- return ch-'a'+10;
-- if (ch >= '0' && ch <= '9')
-- return ch-'0';
-- if (ch >= 'A' && ch <= 'F')
-- return ch-'A'+10;
-- return -1;
--}
--
--/* Convert the memory pointed to by mem into hex, placing result in buf.
-- * Return a pointer to the last char put in buf (null), in case of mem fault,
-- * return 0.
-- */
--static unsigned char *
--mem2hex(const char *mem, char *buf, int count)
--{
-- unsigned char ch;
-- unsigned short tmp_s;
-- unsigned long tmp_l;
--
-- if (kgdb_setjmp((long*)fault_jmp_buf) == 0) {
-- debugger_fault_handler = kgdb_fault_handler;
--
-- /* Accessing 16 bit and 32 bit objects in a single
-- ** load instruction is required to avoid bad side
-- ** effects for some IO registers.
-- */
--
-- if ((count == 2) && (((long)mem & 1) == 0)) {
-- tmp_s = *(unsigned short *)mem;
-- mem += 2;
-- *buf++ = hexchars[(tmp_s >> 12) & 0xf];
-- *buf++ = hexchars[(tmp_s >> 8) & 0xf];
-- *buf++ = hexchars[(tmp_s >> 4) & 0xf];
-- *buf++ = hexchars[tmp_s & 0xf];
--
-- } else if ((count == 4) && (((long)mem & 3) == 0)) {
-- tmp_l = *(unsigned int *)mem;
-- mem += 4;
-- *buf++ = hexchars[(tmp_l >> 28) & 0xf];
-- *buf++ = hexchars[(tmp_l >> 24) & 0xf];
-- *buf++ = hexchars[(tmp_l >> 20) & 0xf];
-- *buf++ = hexchars[(tmp_l >> 16) & 0xf];
-- *buf++ = hexchars[(tmp_l >> 12) & 0xf];
-- *buf++ = hexchars[(tmp_l >> 8) & 0xf];
-- *buf++ = hexchars[(tmp_l >> 4) & 0xf];
-- *buf++ = hexchars[tmp_l & 0xf];
--
-- } else {
-- while (count-- > 0) {
-- ch = *mem++;
-- *buf++ = hexchars[ch >> 4];
-- *buf++ = hexchars[ch & 0xf];
-- }
-- }
--
-- } else {
-- /* error condition */
-- }
-- debugger_fault_handler = NULL;
-- *buf = 0;
-- return buf;
--}
--
--/* convert the hex array pointed to by buf into binary to be placed in mem
-- * return a pointer to the character AFTER the last byte written.
--*/
--static char *
--hex2mem(char *buf, char *mem, int count)
--{
-- unsigned char ch;
-- int i;
-- char *orig_mem;
-- unsigned short tmp_s;
-- unsigned long tmp_l;
--
-- orig_mem = mem;
--
-- if (kgdb_setjmp((long*)fault_jmp_buf) == 0) {
-- debugger_fault_handler = kgdb_fault_handler;
--
-- /* Accessing 16 bit and 32 bit objects in a single
-- ** store instruction is required to avoid bad side
-- ** effects for some IO registers.
-- */
--
-- if ((count == 2) && (((long)mem & 1) == 0)) {
-- tmp_s = hex(*buf++) << 12;
-- tmp_s |= hex(*buf++) << 8;
-- tmp_s |= hex(*buf++) << 4;
-- tmp_s |= hex(*buf++);
--
-- *(unsigned short *)mem = tmp_s;
-- mem += 2;
--
-- } else if ((count == 4) && (((long)mem & 3) == 0)) {
-- tmp_l = hex(*buf++) << 28;
-- tmp_l |= hex(*buf++) << 24;
-- tmp_l |= hex(*buf++) << 20;
-- tmp_l |= hex(*buf++) << 16;
-- tmp_l |= hex(*buf++) << 12;
-- tmp_l |= hex(*buf++) << 8;
-- tmp_l |= hex(*buf++) << 4;
-- tmp_l |= hex(*buf++);
--
-- *(unsigned long *)mem = tmp_l;
-- mem += 4;
--
-- } else {
-- for (i=0; i<count; i++) {
-- ch = hex(*buf++) << 4;
-- ch |= hex(*buf++);
-- *mem++ = ch;
-- }
-- }
--
--
-- /*
-- ** Flush the data cache, invalidate the instruction cache.
-- */
-- flush_icache_range((int)orig_mem, (int)orig_mem + count - 1);
--
-- } else {
-- /* error condition */
-- }
-- debugger_fault_handler = NULL;
-- return mem;
--}
--
--/*
-- * While we find nice hex chars, build an int.
-- * Return number of chars processed.
-- */
--static int
--hexToInt(char **ptr, int *intValue)
--{
-- int numChars = 0;
-- int hexValue;
--
-- *intValue = 0;
--
-- if (kgdb_setjmp((long*)fault_jmp_buf) == 0) {
-- debugger_fault_handler = kgdb_fault_handler;
-- while (**ptr) {
-- hexValue = hex(**ptr);
-- if (hexValue < 0)
-- break;
--
-- *intValue = (*intValue << 4) | hexValue;
-- numChars ++;
--
-- (*ptr)++;
-- }
-- } else {
-- /* error condition */
-- }
-- debugger_fault_handler = NULL;
--
-- return (numChars);
--}
--
--/* scan for the sequence $<data>#<checksum> */
--static void
--getpacket(char *buffer)
--{
-- unsigned char checksum;
-- unsigned char xmitcsum;
-- int i;
-- int count;
-- unsigned char ch;
--
-- do {
-- /* wait around for the start character, ignore all other
-- * characters */
-- while ((ch = (getDebugChar() & 0x7f)) != '$') ;
--
-- checksum = 0;
-- xmitcsum = -1;
--
-- count = 0;
--
-- /* now, read until a # or end of buffer is found */
-- while (count < BUFMAX) {
-- ch = getDebugChar() & 0x7f;
-- if (ch == '#')
-- break;
-- checksum = checksum + ch;
-- buffer[count] = ch;
-- count = count + 1;
-- }
--
-- if (count >= BUFMAX)
-- continue;
--
-- buffer[count] = 0;
--
-- if (ch == '#') {
-- xmitcsum = hex(getDebugChar() & 0x7f) << 4;
-- xmitcsum |= hex(getDebugChar() & 0x7f);
-- if (checksum != xmitcsum)
-- putDebugChar('-'); /* failed checksum */
-- else {
-- putDebugChar('+'); /* successful transfer */
-- /* if a sequence char is present, reply the ID */
-- if (buffer[2] == ':') {
-- putDebugChar(buffer[0]);
-- putDebugChar(buffer[1]);
-- /* remove sequence chars from buffer */
-- count = strlen(buffer);
-- for (i=3; i <= count; i++)
-- buffer[i-3] = buffer[i];
-- }
-- }
-- }
-- } while (checksum != xmitcsum);
--}
--
--/* send the packet in buffer. */
--static void putpacket(unsigned char *buffer)
--{
-- unsigned char checksum;
-- int count;
-- unsigned char ch, recv;
--
-- /* $<packet info>#<checksum>. */
-- do {
-- putDebugChar('$');
-- checksum = 0;
-- count = 0;
--
-- while ((ch = buffer[count])) {
-- putDebugChar(ch);
-- checksum += ch;
-- count += 1;
-- }
--
-- putDebugChar('#');
-- putDebugChar(hexchars[checksum >> 4]);
-- putDebugChar(hexchars[checksum & 0xf]);
-- recv = getDebugChar();
-- } while ((recv & 0x7f) != '+');
--}
--
--static void kgdb_flush_cache_all(void)
--{
-- flush_instruction_cache();
--}
--
--/* Set up exception handlers for tracing and breakpoints
-- * [could be called kgdb_init()]
-- */
--void set_debug_traps(void)
--{
--#if 0
-- unsigned char c;
--
-- save_and_cli(flags);
--
-- /* In case GDB is started before us, ack any packets (presumably
-- * "$?#xx") sitting there.
-- *
-- * I've found this code causes more problems than it solves,
-- * so that's why it's commented out. GDB seems to work fine
-- * now starting either before or after the kernel -bwb
-- */
--
-- while((c = getDebugChar()) != '$');
-- while((c = getDebugChar()) != '#');
-- c = getDebugChar(); /* eat first csum byte */
-- c = getDebugChar(); /* eat second csum byte */
-- putDebugChar('+'); /* ack it */
--#endif
-- debugger = kgdb;
-- debugger_bpt = kgdb_bpt;
-- debugger_sstep = kgdb_sstep;
-- debugger_iabr_match = kgdb_iabr_match;
-- debugger_dabr_match = kgdb_dabr_match;
--
-- initialized = 1;
--}
--
--static void kgdb_fault_handler(struct pt_regs *regs)
--{
-- kgdb_longjmp((long*)fault_jmp_buf, 1);
--}
--
--int kgdb_bpt(struct pt_regs *regs)
--{
-- return handle_exception(regs);
--}
--
--int kgdb_sstep(struct pt_regs *regs)
--{
-- return handle_exception(regs);
--}
--
--void kgdb(struct pt_regs *regs)
--{
-- handle_exception(regs);
--}
--
--int kgdb_iabr_match(struct pt_regs *regs)
--{
-- printk(KERN_ERR "kgdb doesn't support iabr, what?!?\n");
-- return handle_exception(regs);
--}
--
--int kgdb_dabr_match(struct pt_regs *regs)
--{
-- printk(KERN_ERR "kgdb doesn't support dabr, what?!?\n");
-- return handle_exception(regs);
--}
--
--/* Convert the hardware trap type code to a unix signal number. */
--/*
-- * This table contains the mapping between PowerPC hardware trap types, and
-- * signals, which are primarily what GDB understands.
-- */
--static struct hard_trap_info
--{
-- unsigned int tt; /* Trap type code for powerpc */
-- unsigned char signo; /* Signal that we map this trap into */
--} hard_trap_info[] = {
--#if defined(CONFIG_40x) || defined(CONFIG_BOOKE)
-- { 0x100, SIGINT }, /* critical input interrupt */
-- { 0x200, SIGSEGV }, /* machine check */
-- { 0x300, SIGSEGV }, /* data storage */
-- { 0x400, SIGBUS }, /* instruction storage */
-- { 0x500, SIGINT }, /* interrupt */
-- { 0x600, SIGBUS }, /* alignment */
-- { 0x700, SIGILL }, /* program */
-- { 0x800, SIGILL }, /* reserved */
-- { 0x900, SIGILL }, /* reserved */
-- { 0xa00, SIGILL }, /* reserved */
-- { 0xb00, SIGILL }, /* reserved */
-- { 0xc00, SIGCHLD }, /* syscall */
-- { 0xd00, SIGILL }, /* reserved */
-- { 0xe00, SIGILL }, /* reserved */
-- { 0xf00, SIGILL }, /* reserved */
-- /*
-- ** 0x1000 PIT
-- ** 0x1010 FIT
-- ** 0x1020 watchdog
-- ** 0x1100 data TLB miss
-- ** 0x1200 instruction TLB miss
-- */
-- { 0x2002, SIGTRAP}, /* debug */
--#else
-- { 0x200, SIGSEGV }, /* machine check */
-- { 0x300, SIGSEGV }, /* address error (store) */
-- { 0x400, SIGBUS }, /* instruction bus error */
-- { 0x500, SIGINT }, /* interrupt */
-- { 0x600, SIGBUS }, /* alingment */
-- { 0x700, SIGTRAP }, /* breakpoint trap */
-- { 0x800, SIGFPE }, /* fpu unavail */
-- { 0x900, SIGALRM }, /* decrementer */
-- { 0xa00, SIGILL }, /* reserved */
-- { 0xb00, SIGILL }, /* reserved */
-- { 0xc00, SIGCHLD }, /* syscall */
-- { 0xd00, SIGTRAP }, /* single-step/watch */
-- { 0xe00, SIGFPE }, /* fp assist */
--#endif
-- { 0, 0} /* Must be last */
--
--};
--
--static int computeSignal(unsigned int tt)
--{
-- struct hard_trap_info *ht;
--
-- for (ht = hard_trap_info; ht->tt && ht->signo; ht++)
-- if (ht->tt == tt)
-- return ht->signo;
--
-- return SIGHUP; /* default for things we don't know about */
--}
--
--#define PC_REGNUM 64
--#define SP_REGNUM 1
--
--/*
-- * This function does all command processing for interfacing to gdb.
-- */
--static int
--handle_exception (struct pt_regs *regs)
--{
-- int sigval;
-- int addr;
-- int length;
-- char *ptr;
-- unsigned int msr;
--
-- /* We don't handle user-mode breakpoints. */
-- if (user_mode(regs))
-- return 0;
--
-- if (debugger_fault_handler) {
-- debugger_fault_handler(regs);
-- panic("kgdb longjump failed!\n");
-- }
-- if (kgdb_active) {
-- printk(KERN_ERR "interrupt while in kgdb, returning\n");
-- return 0;
-- }
--
-- kgdb_active = 1;
-- kgdb_started = 1;
--
--#ifdef KGDB_DEBUG
-- printk("kgdb: entering handle_exception; trap [0x%x]\n",
-- (unsigned int)regs->trap);
--#endif
--
-- kgdb_interruptible(0);
-- lock_kernel();
-- msr = mfmsr();
-- mtmsr(msr & ~MSR_EE); /* disable interrupts */
--
-- if (regs->nip == (unsigned long)breakinst) {
-- /* Skip over breakpoint trap insn */
-- regs->nip += 4;
-- }
--
-- /* reply to host that an exception has occurred */
-- sigval = computeSignal(regs->trap);
-- ptr = remcomOutBuffer;
--
-- *ptr++ = 'T';
-- *ptr++ = hexchars[sigval >> 4];
-- *ptr++ = hexchars[sigval & 0xf];
-- *ptr++ = hexchars[PC_REGNUM >> 4];
-- *ptr++ = hexchars[PC_REGNUM & 0xf];
-- *ptr++ = ':';
-- ptr = mem2hex((char *)®s->nip, ptr, 4);
-- *ptr++ = ';';
-- *ptr++ = hexchars[SP_REGNUM >> 4];
-- *ptr++ = hexchars[SP_REGNUM & 0xf];
-- *ptr++ = ':';
-- ptr = mem2hex(((char *)regs) + SP_REGNUM*4, ptr, 4);
-- *ptr++ = ';';
-- *ptr++ = 0;
--
-- putpacket(remcomOutBuffer);
-- if (kdebug)
-- printk("remcomOutBuffer: %s\n", remcomOutBuffer);
--
-- /* XXX We may want to add some features dealing with poking the
-- * XXX page tables, ... (look at sparc-stub.c for more info)
-- * XXX also required hacking to the gdb sources directly...
-- */
--
-- while (1) {
-- remcomOutBuffer[0] = 0;
--
-- getpacket(remcomInBuffer);
-- switch (remcomInBuffer[0]) {
-- case '?': /* report most recent signal */
-- remcomOutBuffer[0] = 'S';
-- remcomOutBuffer[1] = hexchars[sigval >> 4];
-- remcomOutBuffer[2] = hexchars[sigval & 0xf];
-- remcomOutBuffer[3] = 0;
-- break;
--#if 0
-- case 'q': /* this screws up gdb for some reason...*/
-- {
-- extern long _start, sdata, __bss_start;
--
-- ptr = &remcomInBuffer[1];
-- if (strncmp(ptr, "Offsets", 7) != 0)
-- break;
--
-- ptr = remcomOutBuffer;
-- sprintf(ptr, "Text=%8.8x;Data=%8.8x;Bss=%8.8x",
-- &_start, &sdata, &__bss_start);
-- break;
-- }
--#endif
-- case 'd':
-- /* toggle debug flag */
-- kdebug ^= 1;
-- break;
--
-- case 'g': /* return the value of the CPU registers.
-- * some of them are non-PowerPC names :(
-- * they are stored in gdb like:
-- * struct {
-- * u32 gpr[32];
-- * f64 fpr[32];
-- * u32 pc, ps, cnd, lr; (ps=msr)
-- * u32 cnt, xer, mq;
-- * }
-- */
-- {
-- int i;
-- ptr = remcomOutBuffer;
-- /* General Purpose Regs */
-- ptr = mem2hex((char *)regs, ptr, 32 * 4);
-- /* Floating Point Regs - FIXME */
-- /*ptr = mem2hex((char *), ptr, 32 * 8);*/
-- for(i=0; i<(32*8*2); i++) { /* 2chars/byte */
-- ptr[i] = '0';
-- }
-- ptr += 32*8*2;
-- /* pc, msr, cr, lr, ctr, xer, (mq is unused) */
-- ptr = mem2hex((char *)®s->nip, ptr, 4);
-- ptr = mem2hex((char *)®s->msr, ptr, 4);
-- ptr = mem2hex((char *)®s->ccr, ptr, 4);
-- ptr = mem2hex((char *)®s->link, ptr, 4);
-- ptr = mem2hex((char *)®s->ctr, ptr, 4);
-- ptr = mem2hex((char *)®s->xer, ptr, 4);
-- }
-- break;
--
-- case 'G': /* set the value of the CPU registers */
-- {
-- ptr = &remcomInBuffer[1];
--
-- /*
-- * If the stack pointer has moved, you should pray.
-- * (cause only god can help you).
-- */
--
-- /* General Purpose Regs */
-- hex2mem(ptr, (char *)regs, 32 * 4);
--
-- /* Floating Point Regs - FIXME?? */
-- /*ptr = hex2mem(ptr, ??, 32 * 8);*/
-- ptr += 32*8*2;
--
-- /* pc, msr, cr, lr, ctr, xer, (mq is unused) */
-- ptr = hex2mem(ptr, (char *)®s->nip, 4);
-- ptr = hex2mem(ptr, (char *)®s->msr, 4);
-- ptr = hex2mem(ptr, (char *)®s->ccr, 4);
-- ptr = hex2mem(ptr, (char *)®s->link, 4);
-- ptr = hex2mem(ptr, (char *)®s->ctr, 4);
-- ptr = hex2mem(ptr, (char *)®s->xer, 4);
--
-- strcpy(remcomOutBuffer,"OK");
-- }
-- break;
-- case 'H':
-- /* don't do anything, yet, just acknowledge */
-- hexToInt(&ptr, &addr);
-- strcpy(remcomOutBuffer,"OK");
-- break;
--
-- case 'm': /* mAA..AA,LLLL Read LLLL bytes at address AA..AA */
-- /* Try to read %x,%x. */
--
-- ptr = &remcomInBuffer[1];
--
-- if (hexToInt(&ptr, &addr) && *ptr++ == ','
-- && hexToInt(&ptr, &length)) {
-- if (mem2hex((char *)addr, remcomOutBuffer,
-- length))
-- break;
-- strcpy(remcomOutBuffer, "E03");
-- } else
-- strcpy(remcomOutBuffer, "E01");
-- break;
--
-- case 'M': /* MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK */
-- /* Try to read '%x,%x:'. */
--
-- ptr = &remcomInBuffer[1];
--
-- if (hexToInt(&ptr, &addr) && *ptr++ == ','
-- && hexToInt(&ptr, &length)
-- && *ptr++ == ':') {
-- if (hex2mem(ptr, (char *)addr, length))
-- strcpy(remcomOutBuffer, "OK");
-- else
-- strcpy(remcomOutBuffer, "E03");
-- flush_icache_range(addr, addr+length);
-- } else
-- strcpy(remcomOutBuffer, "E02");
-- break;
--
--
-- case 'k': /* kill the program, actually just continue */
-- case 'c': /* cAA..AA Continue; address AA..AA optional */
-- /* try to read optional parameter, pc unchanged if no parm */
--
-- ptr = &remcomInBuffer[1];
-- if (hexToInt(&ptr, &addr))
-- regs->nip = addr;
--
--/* Need to flush the instruction cache here, as we may have deposited a
-- * breakpoint, and the icache probably has no way of knowing that a data ref to
-- * some location may have changed something that is in the instruction cache.
-- */
-- kgdb_flush_cache_all();
-- mtmsr(msr);
--
-- kgdb_interruptible(1);
-- unlock_kernel();
-- kgdb_active = 0;
-- if (kdebug) {
-- printk("remcomInBuffer: %s\n", remcomInBuffer);
-- printk("remcomOutBuffer: %s\n", remcomOutBuffer);
-- }
-- return 1;
--
-- case 's':
-- kgdb_flush_cache_all();
--#if defined(CONFIG_40x) || defined(CONFIG_BOOKE)
-- mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC);
-- regs->msr |= MSR_DE;
--#else
-- regs->msr |= MSR_SE;
--#endif
-- unlock_kernel();
-- kgdb_active = 0;
-- if (kdebug) {
-- printk("remcomInBuffer: %s\n", remcomInBuffer);
-- printk("remcomOutBuffer: %s\n", remcomOutBuffer);
-- }
-- return 1;
--
-- case 'r': /* Reset (if user process..exit ???)*/
-- panic("kgdb reset.");
-- break;
-- } /* switch */
-- if (remcomOutBuffer[0] && kdebug) {
-- printk("remcomInBuffer: %s\n", remcomInBuffer);
-- printk("remcomOutBuffer: %s\n", remcomOutBuffer);
-- }
-- /* reply to the request */
-- putpacket(remcomOutBuffer);
-- } /* while(1) */
--}
--
--/* This function will generate a breakpoint exception. It is used at the
-- beginning of a program to sync up with a debugger and can be used
-- otherwise as a quick means to stop program execution and "break" into
-- the debugger. */
--
--void
--breakpoint(void)
--{
-- if (!initialized) {
-- printk("breakpoint() called b4 kgdb init\n");
-- return;
-- }
--
-- asm(" .globl breakinst \n\
-- breakinst: .long 0x7d821008");
--}
--
--#ifdef CONFIG_KGDB_CONSOLE
--/* Output string in GDB O-packet format if GDB has connected. If nothing
-- output, returns 0 (caller must then handle output). */
--int
--kgdb_output_string (const char* s, unsigned int count)
--{
-- char buffer[512];
--
-- if (!kgdb_started)
-- return 0;
--
-- count = (count <= (sizeof(buffer) / 2 - 2))
-- ? count : (sizeof(buffer) / 2 - 2);
--
-- buffer[0] = 'O';
-- mem2hex (s, &buffer[1], count);
-- putpacket(buffer);
--
-- return 1;
--}
--#endif
--
--static void sysrq_handle_gdb(int key, struct pt_regs *pt_regs,
-- struct tty_struct *tty)
--{
-- printk("Entering GDB stub\n");
-- breakpoint();
--}
--static struct sysrq_key_op sysrq_gdb_op = {
-- .handler = sysrq_handle_gdb,
-- .help_msg = "Gdb",
-- .action_msg = "GDB",
--};
--
--static int gdb_register_sysrq(void)
--{
-- printk("Registering GDB sysrq handler\n");
-- register_sysrq_key('g', &sysrq_gdb_op);
-- return 0;
--}
--module_init(gdb_register_sysrq);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/kernel/setup.c linux-2.6.18-53.1.14.kgdb/arch/ppc/kernel/setup.c
---- linux-2.6.18-53.1.14/arch/ppc/kernel/setup.c 2008-03-06 05:54:43.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/kernel/setup.c 2008-06-10 15:38:14.000000000 +0400
-@@ -48,10 +48,6 @@
- #include <asm/ppc_sys.h>
- #endif
-
--#if defined CONFIG_KGDB
--#include <asm/kgdb.h>
--#endif
--
- extern void platform_init(unsigned long r3, unsigned long r4,
- unsigned long r5, unsigned long r6, unsigned long r7);
- extern void reloc_got2(unsigned long offset);
-@@ -506,18 +502,6 @@ void __init setup_arch(char **cmdline_p)
- #endif /* CONFIG_XMON */
- if ( ppc_md.progress ) ppc_md.progress("setup_arch: enter", 0x3eab);
-
--#if defined(CONFIG_KGDB)
-- if (ppc_md.kgdb_map_scc)
-- ppc_md.kgdb_map_scc();
-- set_debug_traps();
-- if (strstr(cmd_line, "gdb")) {
-- if (ppc_md.progress)
-- ppc_md.progress("setup_arch: kgdb breakpoint", 0x4000);
-- printk("kgdb breakpoint activated\n");
-- breakpoint();
-- }
--#endif
--
- /*
- * Set cache line size based on type of cpu as a default.
- * Systems with OF can look in the properties on the cpu node(s)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/mm/fault.c linux-2.6.18-53.1.14.kgdb/arch/ppc/mm/fault.c
---- linux-2.6.18-53.1.14/arch/ppc/mm/fault.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/mm/fault.c 2008-06-10 15:38:14.000000000 +0400
-@@ -25,6 +25,7 @@
- #include <linux/interrupt.h>
- #include <linux/highmem.h>
- #include <linux/module.h>
-+#include <linux/kgdb.h>
-
- #include <asm/page.h>
- #include <asm/pgtable.h>
-@@ -329,6 +330,14 @@ bad_page_fault(struct pt_regs *regs, uns
- return;
- }
-
-+#ifdef CONFIG_KGDB
-+ if (atomic_read(&debugger_active) && kgdb_may_fault) {
-+ /* Restore our previous state. */
-+ kgdb_fault_longjmp(kgdb_fault_jmp_regs);
-+ /* Not reached. */
-+ }
-+#endif
-+
- /* kernel has accessed a bad area */
- #if defined(CONFIG_XMON) || defined(CONFIG_KGDB)
- if (debugger_kernel_faults)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/platforms/4xx/bubinga.c linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/4xx/bubinga.c
---- linux-2.6.18-53.1.14/arch/ppc/platforms/4xx/bubinga.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/4xx/bubinga.c 2008-06-10 15:38:14.000000000 +0400
-@@ -4,7 +4,7 @@
- * Author: SAW (IBM), derived from walnut.c.
- * Maintained by MontaVista Software <source@mvista.com>
- *
-- * 2003 (c) MontaVista Softare Inc. This file is licensed under the
-+ * 2003-2004 (c) MontaVista Softare Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
-@@ -100,17 +100,26 @@ bubinga_early_serial_map(void)
- port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
- port.line = 0;
-
-- if (early_serial_setup(&port) != 0) {
-+#ifdef CONFIG_SERIAL_8250
-+ if (early_serial_setup(&port) != 0)
- printk("Early serial init of port 0 failed\n");
-- }
-+#endif
-+
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &port);
-+#endif
-
- port.membase = (void*)ACTING_UART1_IO_BASE;
- port.irq = ACTING_UART1_INT;
- port.line = 1;
-
-- if (early_serial_setup(&port) != 0) {
-+#ifdef CONFIG_SERIAL_8250
-+ if (early_serial_setup(&port) != 0)
- printk("Early serial init of port 1 failed\n");
-- }
-+#endif
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(1, &port);
-+#endif
- }
-
- void __init
-@@ -255,8 +264,4 @@ platform_init(unsigned long r3, unsigned
- ppc_md.nvram_read_val = todc_direct_read_val;
- ppc_md.nvram_write_val = todc_direct_write_val;
- #endif
--#ifdef CONFIG_KGDB
-- ppc_md.early_serial_map = bubinga_early_serial_map;
--#endif
- }
--
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/platforms/4xx/ebony.c linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/4xx/ebony.c
---- linux-2.6.18-53.1.14/arch/ppc/platforms/4xx/ebony.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/4xx/ebony.c 2008-06-10 15:38:14.000000000 +0400
-@@ -32,6 +32,7 @@
- #include <linux/tty.h>
- #include <linux/serial.h>
- #include <linux/serial_core.h>
-+#include <linux/kgdb.h>
-
- #include <asm/system.h>
- #include <asm/pgtable.h>
-@@ -226,14 +227,20 @@ ebony_early_serial_map(void)
- port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
- port.line = 0;
-
-- if (early_serial_setup(&port) != 0) {
-+#ifdef CONFIG_SERIAL_8250
-+ if (early_serial_setup(&port) != 0)
- printk("Early serial init of port 0 failed\n");
-- }
-+#endif
-
--#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
-+#ifdef CONFIG_SERIAL_TEXT_DEBUG
- /* Configure debug serial access */
- gen550_init(0, &port);
-+#endif
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &port);
-+#endif
-
-+#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB_8250)
- /* Purge TLB entry added in head_44x.S for early serial access */
- _tlbie(UART0_IO_BASE);
- #endif
-@@ -243,14 +250,18 @@ ebony_early_serial_map(void)
- port.uartclk = clocks.uart1;
- port.line = 1;
-
-- if (early_serial_setup(&port) != 0) {
-+#ifdef CONFIG_SERIAL_8250
-+ if (early_serial_setup(&port) != 1)
- printk("Early serial init of port 1 failed\n");
-- }
-+#endif
-
--#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
-+#ifdef CONFIG_SERIAL_TEXT_DEBUG
- /* Configure debug serial access */
- gen550_init(1, &port);
- #endif
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(1, &port);
-+#endif
- }
-
- static void __init
-@@ -327,8 +338,4 @@ void __init platform_init(unsigned long
-
- ppc_md.nvram_read_val = todc_direct_read_val;
- ppc_md.nvram_write_val = todc_direct_write_val;
--#ifdef CONFIG_KGDB
-- ppc_md.early_serial_map = ebony_early_serial_map;
--#endif
- }
--
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/platforms/4xx/ocotea.c linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/4xx/ocotea.c
---- linux-2.6.18-53.1.14/arch/ppc/platforms/4xx/ocotea.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/4xx/ocotea.c 2008-06-10 15:38:14.000000000 +0400
-@@ -30,6 +30,7 @@
- #include <linux/tty.h>
- #include <linux/serial.h>
- #include <linux/serial_core.h>
-+#include <linux/kgdb.h>
-
- #include <asm/system.h>
- #include <asm/pgtable.h>
-@@ -249,14 +250,20 @@ ocotea_early_serial_map(void)
- port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
- port.line = 0;
-
-- if (early_serial_setup(&port) != 0) {
-+#ifdef CONFIG_SERIAL_8250
-+ if (early_serial_setup(&port) != 0)
- printk("Early serial init of port 0 failed\n");
-- }
-+#endif
-
--#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
-+#ifdef CONFIG_SERIAL_TEXT_DEBUG
- /* Configure debug serial access */
- gen550_init(0, &port);
-+#endif
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &port);
-+#endif
-
-+#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB_8250)
- /* Purge TLB entry added in head_44x.S for early serial access */
- _tlbie(UART0_IO_BASE);
- #endif
-@@ -266,14 +273,18 @@ ocotea_early_serial_map(void)
- port.uartclk = clocks.uart1;
- port.line = 1;
-
-- if (early_serial_setup(&port) != 0) {
-+#ifdef CONFIG_SERIAL_8250
-+ if (early_serial_setup(&port) != 1)
- printk("Early serial init of port 1 failed\n");
-- }
-+#endif
-
--#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
-+#ifdef CONFIG_SERIAL_TEXT_DEBUG
- /* Configure debug serial access */
- gen550_init(1, &port);
- #endif
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(1, &port);
-+#endif
- }
-
- static void __init
-@@ -343,8 +354,5 @@ void __init platform_init(unsigned long
-
- ppc_md.nvram_read_val = todc_direct_read_val;
- ppc_md.nvram_write_val = todc_direct_write_val;
--#ifdef CONFIG_KGDB
-- ppc_md.early_serial_map = ocotea_early_serial_map;
--#endif
- ppc_md.init = ocotea_init;
- }
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/platforms/4xx/xilinx_ml300.c linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/4xx/xilinx_ml300.c
---- linux-2.6.18-53.1.14/arch/ppc/platforms/4xx/xilinx_ml300.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/4xx/xilinx_ml300.c 2008-06-10 15:38:14.000000000 +0400
-@@ -41,9 +41,6 @@
- * ppc4xx_map_io arch/ppc/syslib/ppc4xx_setup.c
- * start_kernel init/main.c
- * setup_arch arch/ppc/kernel/setup.c
-- * #if defined(CONFIG_KGDB)
-- * *ppc_md.kgdb_map_scc() == gen550_kgdb_map_scc
-- * #endif
- * *ppc_md.setup_arch == ml300_setup_arch this file
- * ppc4xx_setup_arch arch/ppc/syslib/ppc4xx_setup.c
- * ppc4xx_find_bridges arch/ppc/syslib/ppc405_pci.c
-@@ -117,7 +114,6 @@ ml300_early_serial_init(int num, struct
- void __init
- ml300_early_serial_map(void)
- {
--#ifdef CONFIG_SERIAL_8250
- struct plat_serial8250_port *pdata;
- int i = 0;
-
-@@ -129,7 +125,14 @@ ml300_early_serial_map(void)
- pdata++;
- i++;
- }
--#endif /* CONFIG_SERIAL_8250 */
-+#ifdef CONFIG_SERIAL_8250
-+ if (early_serial_setup(&port) != 0)
-+ printk("Early serial init of port %d failed\n", i);
-+#endif
-+
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(i, &port)
-+#endif
- }
-
- void __init
-@@ -165,9 +168,4 @@ platform_init(unsigned long r3, unsigned
- #if defined(XPAR_POWER_0_POWERDOWN_BASEADDR)
- ppc_md.power_off = xilinx_power_off;
- #endif
--
--#ifdef CONFIG_KGDB
-- ppc_md.early_serial_map = ml300_early_serial_map;
--#endif
- }
--
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/platforms/85xx/sbc8560.c linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/85xx/sbc8560.c
---- linux-2.6.18-53.1.14/arch/ppc/platforms/85xx/sbc8560.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/85xx/sbc8560.c 2008-06-10 15:38:14.000000000 +0400
-@@ -50,7 +50,6 @@
- #include <syslib/ppc85xx_common.h>
- #include <syslib/ppc85xx_setup.h>
-
--#ifdef CONFIG_SERIAL_8250
- static void __init
- sbc8560_early_serial_map(void)
- {
-@@ -66,12 +65,16 @@ sbc8560_early_serial_map(void)
- uart_req.membase = ioremap(uart_req.mapbase, MPC85xx_UART0_SIZE);
- uart_req.type = PORT_16650;
-
--#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
-- gen550_init(0, &uart_req);
--#endif
--
-+#ifdef CONFIG_SERIAL_8250
- if (early_serial_setup(&uart_req) != 0)
- printk("Early serial init of port 0 failed\n");
-+#endif
-+#ifdef CONFIG_SERIAL_TEXT_DEBUG
-+ gen550_init(0, &uart_req);
-+#endif
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &uart_req);
-+#endif
-
- /* Assume early_serial_setup() doesn't modify uart_req */
- uart_req.line = 1;
-@@ -79,14 +82,17 @@ sbc8560_early_serial_map(void)
- uart_req.membase = ioremap(uart_req.mapbase, MPC85xx_UART1_SIZE);
- uart_req.irq = MPC85xx_IRQ_EXT10;
-
--#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
-- gen550_init(1, &uart_req);
--#endif
--
-+#ifdef CONFIG_SERIAL_8250
- if (early_serial_setup(&uart_req) != 0)
-- printk("Early serial init of port 1 failed\n");
--}
-+ printk("Early serial init of port 0 failed\n");
- #endif
-+#ifdef CONFIG_SERIAL_TEXT_DEBUG
-+ gen550_init(0, &uart_req);
-+#endif
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &uart_req);
-+#endif
-+}
-
- /* ************************************************************************
- *
-@@ -115,9 +121,7 @@ sbc8560_setup_arch(void)
- /* setup PCI host bridges */
- mpc85xx_setup_hose();
- #endif
--#ifdef CONFIG_SERIAL_8250
- sbc8560_early_serial_map();
--#endif
- #ifdef CONFIG_SERIAL_TEXT_DEBUG
- /* Invalidate the entry we stole earlier the serial ports
- * should be properly mapped */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/platforms/chestnut.c linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/chestnut.c
---- linux-2.6.18-53.1.14/arch/ppc/platforms/chestnut.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/chestnut.c 2008-06-10 15:38:14.000000000 +0400
-@@ -492,7 +492,7 @@ chestnut_power_off(void)
- static void __init
- chestnut_map_io(void)
- {
--#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
-+#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB_8250)
- io_block_mapping(CHESTNUT_UART_BASE, CHESTNUT_UART_BASE, 0x100000,
- _PAGE_IO);
- #endif
-@@ -566,9 +566,6 @@ platform_init(unsigned long r3, unsigned
- #if defined(CONFIG_SERIAL_TEXT_DEBUG)
- ppc_md.progress = gen550_progress;
- #endif
--#if defined(CONFIG_KGDB)
-- ppc_md.kgdb_map_scc = gen550_kgdb_map_scc;
--#endif
-
- if (ppc_md.progress)
- ppc_md.progress("chestnut_init(): exit", 0);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/platforms/pplus.c linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/pplus.c
---- linux-2.6.18-53.1.14/arch/ppc/platforms/pplus.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/pplus.c 2008-06-10 15:38:14.000000000 +0400
-@@ -893,9 +893,6 @@ platform_init(unsigned long r3, unsigned
- #ifdef CONFIG_SERIAL_TEXT_DEBUG
- ppc_md.progress = gen550_progress;
- #endif /* CONFIG_SERIAL_TEXT_DEBUG */
--#ifdef CONFIG_KGDB
-- ppc_md.kgdb_map_scc = gen550_kgdb_map_scc;
--#endif
- #ifdef CONFIG_SMP
- smp_ops = &pplus_smp_ops;
- #endif /* CONFIG_SMP */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/platforms/sandpoint.c linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/sandpoint.c
---- linux-2.6.18-53.1.14/arch/ppc/platforms/sandpoint.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/sandpoint.c 2008-06-10 15:38:14.000000000 +0400
-@@ -730,9 +730,6 @@ platform_init(unsigned long r3, unsigned
- ppc_md.nvram_read_val = todc_mc146818_read_val;
- ppc_md.nvram_write_val = todc_mc146818_write_val;
-
--#ifdef CONFIG_KGDB
-- ppc_md.kgdb_map_scc = gen550_kgdb_map_scc;
--#endif
- #ifdef CONFIG_SERIAL_TEXT_DEBUG
- ppc_md.progress = gen550_progress;
- #endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/platforms/spruce.c linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/spruce.c
---- linux-2.6.18-53.1.14/arch/ppc/platforms/spruce.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/platforms/spruce.c 2008-06-10 15:38:14.000000000 +0400
-@@ -178,26 +178,32 @@ spruce_early_serial_map(void)
- serial_req.membase = (u_char *)UART0_IO_BASE;
- serial_req.regshift = 0;
-
--#if defined(CONFIG_KGDB) || defined(CONFIG_SERIAL_TEXT_DEBUG)
-- gen550_init(0, &serial_req);
--#endif
- #ifdef CONFIG_SERIAL_8250
- if (early_serial_setup(&serial_req) != 0)
- printk("Early serial init of port 0 failed\n");
- #endif
-+#ifdef CONFIG_SERIAL_TEXT_DEBUG
-+ gen550_init(0, &serial_req);
-+#endif
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &port);
-+#endif
-
- /* Assume early_serial_setup() doesn't modify serial_req */
- serial_req.line = 1;
- serial_req.irq = UART1_INT;
- serial_req.membase = (u_char *)UART1_IO_BASE;
-
--#if defined(CONFIG_KGDB) || defined(CONFIG_SERIAL_TEXT_DEBUG)
-- gen550_init(1, &serial_req);
--#endif
- #ifdef CONFIG_SERIAL_8250
- if (early_serial_setup(&serial_req) != 0)
- printk("Early serial init of port 1 failed\n");
- #endif
-+#ifdef CONFIG_SERIAL_TEXT_DEBUG
-+ gen550_init(1, &serial_req);
-+#endif
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(1, &serial_req);
-+#endif
- }
-
- TODC_ALLOC();
-@@ -316,7 +322,4 @@ platform_init(unsigned long r3, unsigned
- #ifdef CONFIG_SERIAL_TEXT_DEBUG
- ppc_md.progress = gen550_progress;
- #endif /* CONFIG_SERIAL_TEXT_DEBUG */
--#ifdef CONFIG_KGDB
-- ppc_md.kgdb_map_scc = gen550_kgdb_map_scc;
--#endif
- }
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/syslib/Makefile linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/Makefile
---- linux-2.6.18-53.1.14/arch/ppc/syslib/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/Makefile 2008-06-10 15:38:14.000000000 +0400
-@@ -76,7 +76,6 @@ obj-$(CONFIG_PCI_8260) += m82xx_pci.o p
- obj-$(CONFIG_8260_PCI9) += m8260_pci_erratum9.o
- obj-$(CONFIG_CPM2) += cpm2_common.o cpm2_pic.o
- ifeq ($(CONFIG_PPC_GEN550),y)
--obj-$(CONFIG_KGDB) += gen550_kgdb.o gen550_dbg.o
- obj-$(CONFIG_SERIAL_TEXT_DEBUG) += gen550_dbg.o
- endif
- ifeq ($(CONFIG_SERIAL_MPSC_CONSOLE),y)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/syslib/gen550.h linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/gen550.h
---- linux-2.6.18-53.1.14/arch/ppc/syslib/gen550.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/gen550.h 2008-06-10 15:38:14.000000000 +0400
-@@ -11,4 +11,3 @@
-
- extern void gen550_progress(char *, unsigned short);
- extern void gen550_init(int, struct uart_port *);
--extern void gen550_kgdb_map_scc(void);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/syslib/ibm44x_common.c linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/ibm44x_common.c
---- linux-2.6.18-53.1.14/arch/ppc/syslib/ibm44x_common.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/ibm44x_common.c 2008-06-10 15:38:14.000000000 +0400
-@@ -192,9 +192,6 @@ void __init ibm44x_platform_init(unsigne
- #ifdef CONFIG_SERIAL_TEXT_DEBUG
- ppc_md.progress = gen550_progress;
- #endif /* CONFIG_SERIAL_TEXT_DEBUG */
--#ifdef CONFIG_KGDB
-- ppc_md.kgdb_map_scc = gen550_kgdb_map_scc;
--#endif
-
- /*
- * The Abatron BDI JTAG debugger does not tolerate others
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/syslib/mv64x60.c linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/mv64x60.c
---- linux-2.6.18-53.1.14/arch/ppc/syslib/mv64x60.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/mv64x60.c 2008-06-10 15:38:14.000000000 +0400
-@@ -241,6 +241,12 @@ static struct resource mv64x60_mpsc0_res
- .end = MV64x60_IRQ_SDMA_0,
- .flags = IORESOURCE_IRQ,
- },
-+ [4] = {
-+ .name = "mpsc 0 irq",
-+ .start = MV64x60_IRQ_MPSC_0,
-+ .end = MV64x60_IRQ_MPSC_0,
-+ .flags = IORESOURCE_IRQ,
-+ },
- };
-
- static struct platform_device mpsc0_device = {
-@@ -298,6 +304,12 @@ static struct resource mv64x60_mpsc1_res
- .end = MV64360_IRQ_SDMA_1,
- .flags = IORESOURCE_IRQ,
- },
-+ [4] = {
-+ .name = "mpsc 1 irq",
-+ .start = MV64360_IRQ_MPSC_1,
-+ .end = MV64360_IRQ_MPSC_1,
-+ .flags = IORESOURCE_IRQ,
-+ },
- };
-
- static struct platform_device mpsc1_device = {
-@@ -1426,12 +1438,46 @@ mv64x60_pd_fixup(struct mv64x60_handle *
- static int __init
- mv64x60_add_pds(void)
- {
-- return platform_add_devices(mv64x60_pd_devs,
-- ARRAY_SIZE(mv64x60_pd_devs));
-+ int i, ret = 0;
-+
-+ for (i = 0; i < ARRAY_SIZE(mv64x60_pd_devs); i++) {
-+ if (mv64x60_pd_devs[i]) {
-+ ret = platform_device_register(mv64x60_pd_devs[i]);
-+ }
-+ if (ret) {
-+ while (--i >= 0)
-+ platform_device_unregister(mv64x60_pd_devs[i]);
-+ break;
-+ }
-+ }
-+ return ret;
- }
- arch_initcall(mv64x60_add_pds);
-
- /*
-+ * mv64x60_early_get_pdev_data()
-+ *
-+ * Get the data associated with a platform device by name and number.
-+ */
-+struct platform_device * __init
-+mv64x60_early_get_pdev_data(const char *name, int id, int remove)
-+{
-+ int i;
-+ struct platform_device *pdev;
-+
-+ for (i = 0; i <ARRAY_SIZE(mv64x60_pd_devs); i++) {
-+ if ((pdev = mv64x60_pd_devs[i]) &&
-+ pdev->id == id &&
-+ !strcmp(pdev->name, name)) {
-+ if (remove)
-+ mv64x60_pd_devs[i] = NULL;
-+ return pdev;
-+ }
-+ }
-+ return NULL;
-+}
-+
-+/*
- *****************************************************************************
- *
- * GT64260-Specific Routines
-@@ -1764,6 +1810,11 @@ gt64260a_chip_specific_init(struct mv64x
- r->start = MV64x60_IRQ_SDMA_0;
- r->end = MV64x60_IRQ_SDMA_0;
- }
-+ if ((r = platform_get_resource(&mpsc1_device, IORESOURCE_IRQ, 1))
-+ != NULL) {
-+ r->start = GT64260_IRQ_MPSC_1;
-+ r->end = GT64260_IRQ_MPSC_1;
-+ }
- #endif
- }
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/syslib/mv64x60_dbg.c linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/mv64x60_dbg.c
---- linux-2.6.18-53.1.14/arch/ppc/syslib/mv64x60_dbg.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/mv64x60_dbg.c 2008-06-10 15:38:14.000000000 +0400
-@@ -34,7 +34,7 @@ static struct mv64x60_handle mv64x60_dbg
- void
- mv64x60_progress_init(u32 base)
- {
-- mv64x60_dbg_bh.v_base = base;
-+ mv64x60_dbg_bh.v_base = (void*)base;
- return;
- }
-
-@@ -69,53 +69,3 @@ mv64x60_mpsc_progress(char *s, unsigned
- return;
- }
- #endif /* CONFIG_SERIAL_TEXT_DEBUG */
--
--
--#if defined(CONFIG_KGDB)
--
--#if defined(CONFIG_KGDB_TTYS0)
--#define KGDB_PORT 0
--#elif defined(CONFIG_KGDB_TTYS1)
--#define KGDB_PORT 1
--#else
--#error "Invalid kgdb_tty port"
--#endif
--
--void
--putDebugChar(unsigned char c)
--{
-- mv64x60_polled_putc(KGDB_PORT, (char)c);
--}
--
--int
--getDebugChar(void)
--{
-- unsigned char c;
--
-- while (!mv64x60_polled_getc(KGDB_PORT, &c));
-- return (int)c;
--}
--
--void
--putDebugString(char* str)
--{
-- while (*str != '\0') {
-- putDebugChar(*str);
-- str++;
-- }
-- putDebugChar('\r');
-- return;
--}
--
--void
--kgdb_interruptible(int enable)
--{
--}
--
--void
--kgdb_map_scc(void)
--{
-- if (ppc_md.early_serial_map)
-- ppc_md.early_serial_map();
--}
--#endif /* CONFIG_KGDB */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/ppc/syslib/ppc85xx_setup.c linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/ppc85xx_setup.c
---- linux-2.6.18-53.1.14/arch/ppc/syslib/ppc85xx_setup.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/ppc/syslib/ppc85xx_setup.c 2008-06-10 15:38:14.000000000 +0400
-@@ -69,7 +69,6 @@ mpc85xx_calibrate_decr(void)
- mtspr(SPRN_TCR, TCR_DIE);
- }
-
--#ifdef CONFIG_SERIAL_8250
- void __init
- mpc85xx_early_serial_map(void)
- {
-@@ -85,7 +84,7 @@ mpc85xx_early_serial_map(void)
- pdata[0].mapbase += binfo->bi_immr_base;
- pdata[0].membase = ioremap(pdata[0].mapbase, MPC85xx_UART0_SIZE);
-
--#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
-+#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB_8250)
- memset(&serial_req, 0, sizeof (serial_req));
- serial_req.iotype = UPIO_MEM;
- serial_req.mapbase = pdata[0].mapbase;
-@@ -93,18 +92,24 @@ mpc85xx_early_serial_map(void)
- serial_req.regshift = 0;
-
- gen550_init(0, &serial_req);
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(0, &serial_req);
-+#endif
- #endif
-
- pdata[1].uartclk = binfo->bi_busfreq;
- pdata[1].mapbase += binfo->bi_immr_base;
- pdata[1].membase = ioremap(pdata[1].mapbase, MPC85xx_UART0_SIZE);
-
--#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
-+#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB_8250)
- /* Assume gen550_init() doesn't modify serial_req */
- serial_req.mapbase = pdata[1].mapbase;
- serial_req.membase = pdata[1].membase;
-
- gen550_init(1, &serial_req);
-+#ifdef CONFIG_KGDB_8250
-+ kgdb8250_add_port(1, &serial_req);
-+#endif
- #endif
- }
- #endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/Kconfig.debug linux-2.6.18-53.1.14.kgdb/arch/sh/Kconfig.debug
---- linux-2.6.18-53.1.14/arch/sh/Kconfig.debug 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/Kconfig.debug 2008-06-10 15:38:50.000000000 +0400
-@@ -29,96 +29,4 @@ config EARLY_PRINTK
- This option is only useful porting the kernel to a new machine,
- when the kernel may crash or hang before the serial console is
- initialised. If unsure, say N.
--
--config KGDB
-- bool "Include KGDB kernel debugger"
-- help
-- Include in-kernel hooks for kgdb, the Linux kernel source level
-- debugger. See <http://kgdb.sourceforge.net/> for more information.
-- Unless you are intending to debug the kernel, say N here.
--
--menu "KGDB configuration options"
-- depends on KGDB
--
--config MORE_COMPILE_OPTIONS
-- bool "Add any additional compile options"
-- help
-- If you want to add additional CFLAGS to the kernel build, enable this
-- option and then enter what you would like to add in the next question.
-- Note however that -g is already appended with the selection of KGDB.
--
--config COMPILE_OPTIONS
-- string "Additional compile arguments"
-- depends on MORE_COMPILE_OPTIONS
--
--config KGDB_NMI
-- bool "Enter KGDB on NMI"
-- default n
--
--config KGDB_THREAD
-- bool "Include KGDB thread support"
-- default y
--
--config SH_KGDB_CONSOLE
-- bool "Console messages through GDB"
-- default n
--
--config KGDB_SYSRQ
-- bool "Allow SysRq 'G' to enter KGDB"
-- default y
--
--config KGDB_KERNEL_ASSERTS
-- bool "Include KGDB kernel assertions"
-- default n
--
--comment "Serial port setup"
--
--config KGDB_DEFPORT
-- int "Port number (ttySCn)"
-- default "1"
--
--config KGDB_DEFBAUD
-- int "Baud rate"
-- default "115200"
--
--choice
-- prompt "Parity"
-- depends on KGDB
-- default KGDB_DEFPARITY_N
--
--config KGDB_DEFPARITY_N
-- bool "None"
--
--config KGDB_DEFPARITY_E
-- bool "Even"
--
--config KGDB_DEFPARITY_O
-- bool "Odd"
--
--endchoice
--
--choice
-- prompt "Data bits"
-- depends on KGDB
-- default KGDB_DEFBITS_8
--
--config KGDB_DEFBITS_8
-- bool "8"
--
--config KGDB_DEFBITS_7
-- bool "7"
--
--endchoice
--
--endmenu
--
--config FRAME_POINTER
-- bool "Compile the kernel with frame pointers"
-- default y if KGDB
-- help
-- If you say Y here the resulting kernel image will be slightly larger
-- and slower, but it will give very useful debugging information.
-- If you don't debug the kernel, you can say N, but we may not be able
-- to solve problems without frame pointers.
--
- endmenu
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/Makefile linux-2.6.18-53.1.14.kgdb/arch/sh/Makefile
---- linux-2.6.18-53.1.14/arch/sh/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/Makefile 2008-06-10 15:38:50.000000000 +0400
-@@ -43,7 +43,6 @@ cflags-$(CONFIG_CPU_SH4) += -m4 \
- cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a-nofpu,)
-
- cflags-$(CONFIG_SH_DSP) += -Wa,-dsp
--cflags-$(CONFIG_SH_KGDB) += -g
-
- cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \
- $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/boards/se/7751/setup.c linux-2.6.18-53.1.14.kgdb/arch/sh/boards/se/7751/setup.c
---- linux-2.6.18-53.1.14/arch/sh/boards/se/7751/setup.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/boards/se/7751/setup.c 2008-06-10 15:38:50.000000000 +0400
-@@ -17,10 +17,6 @@
- #include <asm/io.h>
- #include <asm/se7751/se7751.h>
-
--#ifdef CONFIG_SH_KGDB
--#include <asm/kgdb.h>
--#endif
--
- /*
- * Configure the Super I/O chip
- */
-@@ -82,12 +78,6 @@ const char *get_system_type(void)
- return "7751 SolutionEngine";
- }
-
--#ifdef CONFIG_SH_KGDB
--static int kgdb_uart_setup(void);
--static struct kgdb_sermap kgdb_uart_sermap =
--{ "ttyS", 0, kgdb_uart_setup, NULL };
--#endif
--
- /*
- * Initialize the board
- */
-@@ -95,133 +85,4 @@ void __init platform_setup(void)
- {
- /* Call init_smsc() replacement to set up SuperIO. */
- /* XXX: RTC setting comes here */
--#ifdef CONFIG_SH_KGDB
-- kgdb_register_sermap(&kgdb_uart_sermap);
--#endif
--}
--
--/*********************************************************************
-- * Currently a hack (e.g. does not interact well w/serial.c, lots of *
-- * hardcoded stuff) but may be useful if SCI/F needs debugging. *
-- * Mostly copied from x86 code (see files asm-i386/kgdb_local.h and *
-- * arch/i386/lib/kgdb_serial.c). *
-- *********************************************************************/
--
--#ifdef CONFIG_SH_KGDB
--#include <linux/types.h>
--#include <linux/serial.h>
--#include <linux/serialP.h>
--#include <linux/serial_reg.h>
--
--#define COM1_PORT 0x3f8 /* Base I/O address */
--#define COM1_IRQ 4 /* IRQ not used yet */
--#define COM2_PORT 0x2f8 /* Base I/O address */
--#define COM2_IRQ 3 /* IRQ not used yet */
--
--#define SB_CLOCK 1843200 /* Serial baud clock */
--#define SB_BASE (SB_CLOCK/16)
--#define SB_MCR UART_MCR_OUT2 | UART_MCR_DTR | UART_MCR_RTS
--
--struct uart_port {
-- int base;
--};
--#define UART_NPORTS 2
--struct uart_port uart_ports[] = {
-- { COM1_PORT },
-- { COM2_PORT },
--};
--struct uart_port *kgdb_uart_port;
--
--#define UART_IN(reg) inb_p(kgdb_uart_port->base + reg)
--#define UART_OUT(reg,v) outb_p((v), kgdb_uart_port->base + reg)
--
--/* Basic read/write functions for the UART */
--#define UART_LSR_RXCERR (UART_LSR_BI | UART_LSR_FE | UART_LSR_PE)
--static int kgdb_uart_getchar(void)
--{
-- int lsr;
-- int c = -1;
--
-- while (c == -1) {
-- lsr = UART_IN(UART_LSR);
-- if (lsr & UART_LSR_DR)
-- c = UART_IN(UART_RX);
-- if ((lsr & UART_LSR_RXCERR))
-- c = -1;
-- }
-- return c;
--}
--
--static void kgdb_uart_putchar(int c)
--{
-- while ((UART_IN(UART_LSR) & UART_LSR_THRE) == 0)
-- ;
-- UART_OUT(UART_TX, c);
--}
--
--/*
-- * Initialize UART to configured/requested values.
-- * (But we don't interrupts yet, or interact w/serial.c)
-- */
--static int kgdb_uart_setup(void)
--{
-- int port;
-- int lcr = 0;
-- int bdiv = 0;
--
-- if (kgdb_portnum >= UART_NPORTS) {
-- KGDB_PRINTK("uart port %d invalid.\n", kgdb_portnum);
-- return -1;
-- }
--
-- kgdb_uart_port = &uart_ports[kgdb_portnum];
--
-- /* Init sequence from gdb_hook_interrupt */
-- UART_IN(UART_RX);
-- UART_OUT(UART_IER, 0);
--
-- UART_IN(UART_RX); /* Serial driver comments say */
-- UART_IN(UART_IIR); /* this clears interrupt regs */
-- UART_IN(UART_MSR);
--
-- /* Figure basic LCR values */
-- switch (kgdb_bits) {
-- case '7':
-- lcr |= UART_LCR_WLEN7;
-- break;
-- default: case '8':
-- lcr |= UART_LCR_WLEN8;
-- break;
-- }
-- switch (kgdb_parity) {
-- case 'O':
-- lcr |= UART_LCR_PARITY;
-- break;
-- case 'E':
-- lcr |= (UART_LCR_PARITY | UART_LCR_EPAR);
-- break;
-- default: break;
-- }
--
-- /* Figure the baud rate divisor */
-- bdiv = (SB_BASE/kgdb_baud);
--
-- /* Set the baud rate and LCR values */
-- UART_OUT(UART_LCR, (lcr | UART_LCR_DLAB));
-- UART_OUT(UART_DLL, (bdiv & 0xff));
-- UART_OUT(UART_DLM, ((bdiv >> 8) & 0xff));
-- UART_OUT(UART_LCR, lcr);
--
-- /* Set the MCR */
-- UART_OUT(UART_MCR, SB_MCR);
--
-- /* Turn off FIFOs for now */
-- UART_OUT(UART_FCR, 0);
--
-- /* Setup complete: initialize function pointers */
-- kgdb_getchar = kgdb_uart_getchar;
-- kgdb_putchar = kgdb_uart_putchar;
--
-- return 0;
- }
--#endif /* CONFIG_SH_KGDB */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/Makefile linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/Makefile
---- linux-2.6.18-53.1.14/arch/sh/kernel/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/Makefile 2008-06-10 15:38:50.000000000 +0400
-@@ -13,7 +13,7 @@ obj-y += cpu/ timers/
- obj-$(CONFIG_SMP) += smp.o
- obj-$(CONFIG_CF_ENABLER) += cf-enabler.o
- obj-$(CONFIG_SH_STANDARD_BIOS) += sh_bios.o
--obj-$(CONFIG_SH_KGDB) += kgdb_stub.o kgdb_jmp.o
-+obj-$(CONFIG_KGDB) += kgdb.o kgdb-jmp.o
- obj-$(CONFIG_SH_CPU_FREQ) += cpufreq.o
- obj-$(CONFIG_MODULES) += module.o
- obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/cpu/sh3/ex.S linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/cpu/sh3/ex.S
---- linux-2.6.18-53.1.14/arch/sh/kernel/cpu/sh3/ex.S 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/cpu/sh3/ex.S 2008-06-10 15:38:50.000000000 +0400
-@@ -42,7 +42,7 @@ ENTRY(exception_handling_table)
- .long exception_error ! reserved_instruction (filled by trap_init) /* 180 */
- .long exception_error ! illegal_slot_instruction (filled by trap_init) /*1A0*/
- ENTRY(nmi_slot)
--#if defined (CONFIG_KGDB_NMI)
-+#if defined (CONFIG_KGDB)
- .long debug_enter /* 1C0 */ ! Allow trap to debugger
- #else
- .long exception_none /* 1C0 */ ! Not implemented yet
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/cpu/sh4/ex.S linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/cpu/sh4/ex.S
---- linux-2.6.18-53.1.14/arch/sh/kernel/cpu/sh4/ex.S 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/cpu/sh4/ex.S 2008-06-10 15:38:50.000000000 +0400
-@@ -46,7 +46,7 @@ ENTRY(exception_handling_table)
- .long exception_error ! reserved_instruction (filled by trap_init) /* 180 */
- .long exception_error ! illegal_slot_instruction (filled by trap_init) /*1A0*/
- ENTRY(nmi_slot)
--#if defined (CONFIG_KGDB_NMI)
-+#if defined (CONFIG_KGDB)
- .long debug_enter /* 1C0 */ ! Allow trap to debugger
- #else
- .long exception_none /* 1C0 */ ! Not implemented yet
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/entry.S linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/entry.S
---- linux-2.6.18-53.1.14/arch/sh/kernel/entry.S 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/entry.S 2008-06-10 15:38:50.000000000 +0400
-@@ -75,7 +75,7 @@
- ENOSYS = 38
- EINVAL = 22
-
--#if defined(CONFIG_KGDB_NMI)
-+#if defined(CONFIG_KGDB)
- NMI_VEC = 0x1c0 ! Must catch early for debounce
- #endif
-
-@@ -227,31 +227,33 @@ call_dae:
- 2: .long do_address_error
- #endif /* CONFIG_MMU */
-
--#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
-+#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_KGDB)
- ! Handle kernel debug if either kgdb (SW) or gdb-stub (FW) is present.
- ! If both are configured, handle the debug traps (breakpoints) in SW,
- ! but still allow BIOS traps to FW.
-
- .align 2
- debug_kernel:
--#if defined(CONFIG_SH_STANDARD_BIOS) && defined(CONFIG_SH_KGDB)
-+#if defined(CONFIG_SH_STANDARD_BIOS) && defined(CONFIG_KGDB)
- /* Force BIOS call to FW (debug_trap put TRA in r8) */
- mov r8,r0
- shlr2 r0
- cmp/eq #0x3f,r0
- bt debug_kernel_fw
--#endif /* CONFIG_SH_STANDARD_BIOS && CONFIG_SH_KGDB */
-+#endif /* CONFIG_SH_STANDARD_BIOS && CONFIG_KGDB */
-
-+ .align 2
-+ .globl debug_enter
- debug_enter:
--#if defined(CONFIG_SH_KGDB)
-+#if defined(CONFIG_KGDB)
- /* Jump to kgdb, pass stacked regs as arg */
- debug_kernel_sw:
- mov.l 3f, r0
- jmp @r0
- mov r15, r4
- .align 2
--3: .long kgdb_handle_exception
--#endif /* CONFIG_SH_KGDB */
-+3: .long kgdb_exception_handler
-+#endif /* CONFIG_KGDB */
-
- #if defined(CONFIG_SH_STANDARD_BIOS)
- /* Unwind the stack and jmp to the debug entry */
-@@ -293,12 +295,12 @@ debug_kernel_fw:
- 2: .long gdb_vbr_vector
- #endif /* CONFIG_SH_STANDARD_BIOS */
-
--#endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_SH_KGDB */
-+#endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_KGDB */
-
-
- .align 2
- debug_trap:
--#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
-+#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_KGDB)
- mov #OFF_SR, r0
- mov.l @(r0,r15), r0 ! get status register
- shll r0
-@@ -642,7 +644,7 @@ skip_restore:
- 6: or k0, k2 ! Set the IMASK-bits
- ldc k2, ssr
- !
--#if defined(CONFIG_KGDB_NMI)
-+#if defined(CONFIG_KGDB)
- ! Clear in_nmi
- mov.l 4f, k0
- mov #0, k1
-@@ -694,7 +696,7 @@ tlb_miss:
- interrupt:
- mov.l 2f, k2
- mov.l 3f, k3
--#if defined(CONFIG_KGDB_NMI)
-+#if defined(CONFIG_KGDB)
- ! Debounce (filter nested NMI)
- mov.l @k2, k0
- mov.l 5f, k1
-@@ -709,7 +711,7 @@ interrupt:
- 5: .long NMI_VEC
- 6: .long in_nmi
- 0:
--#endif /* defined(CONFIG_KGDB_NMI) */
-+#endif /* defined(CONFIG_KGDB) */
- bra handle_exception
- mov.l @k2, k2
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/kgdb-jmp.S linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/kgdb-jmp.S
---- linux-2.6.18-53.1.14/arch/sh/kernel/kgdb-jmp.S 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/kgdb-jmp.S 2008-06-10 15:38:50.000000000 +0400
-@@ -0,0 +1,32 @@
-+#include <linux/linkage.h>
-+
-+ENTRY(kgdb_fault_setjmp)
-+ add #(9*4), r4
-+ sts.l pr, @-r4
-+ mov.l r15, @-r4
-+ mov.l r14, @-r4
-+ mov.l r13, @-r4
-+ mov.l r12, @-r4
-+ mov.l r11, @-r4
-+ mov.l r10, @-r4
-+ mov.l r9, @-r4
-+ mov.l r8, @-r4
-+ rts
-+ mov #0, r0
-+
-+ENTRY(kgdb_fault_longjmp)
-+ mov.l @r4+, r8
-+ mov.l @r4+, r9
-+ mov.l @r4+, r10
-+ mov.l @r4+, r11
-+ mov.l @r4+, r12
-+ mov.l @r4+, r13
-+ mov.l @r4+, r14
-+ mov.l @r4+, r15
-+ lds.l @r4+, pr
-+ mov r5, r0
-+ tst r0, r0
-+ bf 1f
-+ mov #1, r0
-+1: rts
-+ nop
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/kgdb.c linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/kgdb.c
---- linux-2.6.18-53.1.14/arch/sh/kernel/kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/kgdb.c 2008-06-10 15:38:50.000000000 +0400
-@@ -0,0 +1,363 @@
-+/*
-+ * arch/sh/kernel/kgdb.c
-+ *
-+ * Contains SH-specific low-level support for KGDB.
-+ *
-+ * Containes extracts from code by Glenn Engel, Jim Kingdon,
-+ * David Grothe <dave@gcom.com>, Tigran Aivazian <tigran@sco.com>,
-+ * Amit S. Kale <akale@veritas.com>, William Gatliff <bgat@open-widgets.com>,
-+ * Ben Lee, Steve Chamberlain and Benoit Miller <fulg@iname.com>,
-+ * Henry Bell <henry.bell@st.com> and Jeremy Siegel <jsiegel@mvista.com>
-+ *
-+ * Maintainer: Tom Rini <trini@kernel.crashing.org>
-+ *
-+ * 2004 (c) MontaVista Software, Inc. This file is licensed under
-+ * the terms of the GNU General Public License version 2. This program
-+ * is licensed "as is" without any warranty of any kind, whether express
-+ * or implied.
-+ */
-+
-+#include <linux/string.h>
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/smp.h>
-+#include <linux/spinlock.h>
-+#include <linux/delay.h>
-+#include <linux/linkage.h>
-+#include <linux/init.h>
-+#include <linux/kgdb.h>
-+
-+#include <asm/system.h>
-+#include <asm/current.h>
-+#include <asm/signal.h>
-+#include <asm/pgtable.h>
-+#include <asm/ptrace.h>
-+
-+extern void per_cpu_trap_init(void);
-+extern atomic_t cpu_doing_single_step;
-+
-+/* Function pointers for linkage */
-+static struct kgdb_regs trap_registers;
-+
-+/* Globals. */
-+char in_nmi; /* Set during NMI to prevent reentry */
-+
-+/* TRA differs sh3/4 */
-+#if defined(CONFIG_CPU_SH3)
-+#define TRA 0xffffffd0
-+#elif defined(CONFIG_CPU_SH4)
-+#define TRA 0xff000020
-+#endif
-+
-+/* Macros for single step instruction identification */
-+#define OPCODE_BT(op) (((op) & 0xff00) == 0x8900)
-+#define OPCODE_BF(op) (((op) & 0xff00) == 0x8b00)
-+#define OPCODE_BTF_DISP(op) (((op) & 0x80) ? (((op) | 0xffffff80) << 1) : \
-+ (((op) & 0x7f ) << 1))
-+#define OPCODE_BFS(op) (((op) & 0xff00) == 0x8f00)
-+#define OPCODE_BTS(op) (((op) & 0xff00) == 0x8d00)
-+#define OPCODE_BRA(op) (((op) & 0xf000) == 0xa000)
-+#define OPCODE_BRA_DISP(op) (((op) & 0x800) ? (((op) | 0xfffff800) << 1) : \
-+ (((op) & 0x7ff) << 1))
-+#define OPCODE_BRAF(op) (((op) & 0xf0ff) == 0x0023)
-+#define OPCODE_BRAF_REG(op) (((op) & 0x0f00) >> 8)
-+#define OPCODE_BSR(op) (((op) & 0xf000) == 0xb000)
-+#define OPCODE_BSR_DISP(op) (((op) & 0x800) ? (((op) | 0xfffff800) << 1) : \
-+ (((op) & 0x7ff) << 1))
-+#define OPCODE_BSRF(op) (((op) & 0xf0ff) == 0x0003)
-+#define OPCODE_BSRF_REG(op) (((op) >> 8) & 0xf)
-+#define OPCODE_JMP(op) (((op) & 0xf0ff) == 0x402b)
-+#define OPCODE_JMP_REG(op) (((op) >> 8) & 0xf)
-+#define OPCODE_JSR(op) (((op) & 0xf0ff) == 0x400b)
-+#define OPCODE_JSR_REG(op) (((op) >> 8) & 0xf)
-+#define OPCODE_RTS(op) ((op) == 0xb)
-+#define OPCODE_RTE(op) ((op) == 0x2b)
-+
-+#define SR_T_BIT_MASK 0x1
-+#define STEP_OPCODE 0xc320
-+#define BIOS_CALL_TRAP 0x3f
-+
-+/* Exception codes as per SH-4 core manual */
-+#define ADDRESS_ERROR_LOAD_VEC 7
-+#define ADDRESS_ERROR_STORE_VEC 8
-+#define TRAP_VEC 11
-+#define INVALID_INSN_VEC 12
-+#define INVALID_SLOT_VEC 13
-+#define NMI_VEC 14
-+#define SERIAL_BREAK_VEC 58
-+
-+/* Misc static */
-+static int stepped_address;
-+static short stepped_opcode;
-+
-+/* Translate SH-3/4 exception numbers to unix-like signal values */
-+static int compute_signal(const int excep_code)
-+{
-+ switch (excep_code) {
-+ case INVALID_INSN_VEC:
-+ case INVALID_SLOT_VEC:
-+ return SIGILL;
-+ case ADDRESS_ERROR_LOAD_VEC:
-+ case ADDRESS_ERROR_STORE_VEC:
-+ return SIGSEGV;
-+ case SERIAL_BREAK_VEC:
-+ case NMI_VEC:
-+ return SIGINT;
-+ default:
-+ /* Act like it was a break/trap. */
-+ return SIGTRAP;
-+ }
-+}
-+
-+/*
-+ * Translate the registers of the system into the format that GDB wants. Since
-+ * we use a local structure to store things, instead of getting them out
-+ * of pt_regs, we can just do a memcpy.
-+ */
-+void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *ign)
-+{
-+ memcpy(gdb_regs, &trap_registers, sizeof(trap_registers));
-+}
-+
-+/*
-+ * On SH we save: r1 (prev->thread.sp) r2 (prev->thread.pc) r4 (prev) r5 (next)
-+ * r6 (next->thread.sp) r7 (next->thread.pc)
-+ */
-+void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
-+{
-+ int count;
-+
-+ for (count = 0; count < 16; count++)
-+ *(gdb_regs++) = 0;
-+ *(gdb_regs++) = p->thread.pc;
-+ *(gdb_regs++) = 0;
-+ *(gdb_regs++) = 0;
-+ *(gdb_regs++) = 0;
-+ *(gdb_regs++) = 0;
-+ *(gdb_regs++) = 0;
-+ *(gdb_regs++) = 0;
-+}
-+
-+/*
-+ * Translate the registers values that GDB has given us back into the
-+ * format of the system. See the comment above about memcpy.
-+ */
-+void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *ign)
-+{
-+ memcpy(&trap_registers, gdb_regs, sizeof(trap_registers));
-+}
-+
-+/* Calculate the new address for after a step */
-+static short *get_step_address(void)
-+{
-+ short op = *(short *)trap_registers.pc;
-+ long addr;
-+
-+ /* BT */
-+ if (OPCODE_BT(op)) {
-+ if (trap_registers.sr & SR_T_BIT_MASK)
-+ addr = trap_registers.pc + 4 + OPCODE_BTF_DISP(op);
-+ else
-+ addr = trap_registers.pc + 2;
-+ }
-+
-+ /* BTS */
-+ else if (OPCODE_BTS(op)) {
-+ if (trap_registers.sr & SR_T_BIT_MASK)
-+ addr = trap_registers.pc + 4 + OPCODE_BTF_DISP(op);
-+ else
-+ addr = trap_registers.pc + 4; /* Not in delay slot */
-+ }
-+
-+ /* BF */
-+ else if (OPCODE_BF(op)) {
-+ if (!(trap_registers.sr & SR_T_BIT_MASK))
-+ addr = trap_registers.pc + 4 + OPCODE_BTF_DISP(op);
-+ else
-+ addr = trap_registers.pc + 2;
-+ }
-+
-+ /* BFS */
-+ else if (OPCODE_BFS(op)) {
-+ if (!(trap_registers.sr & SR_T_BIT_MASK))
-+ addr = trap_registers.pc + 4 + OPCODE_BTF_DISP(op);
-+ else
-+ addr = trap_registers.pc + 4; /* Not in delay slot */
-+ }
-+
-+ /* BRA */
-+ else if (OPCODE_BRA(op))
-+ addr = trap_registers.pc + 4 + OPCODE_BRA_DISP(op);
-+
-+ /* BRAF */
-+ else if (OPCODE_BRAF(op))
-+ addr = trap_registers.pc + 4
-+ + trap_registers.regs[OPCODE_BRAF_REG(op)];
-+
-+ /* BSR */
-+ else if (OPCODE_BSR(op))
-+ addr = trap_registers.pc + 4 + OPCODE_BSR_DISP(op);
-+
-+ /* BSRF */
-+ else if (OPCODE_BSRF(op))
-+ addr = trap_registers.pc + 4
-+ + trap_registers.regs[OPCODE_BSRF_REG(op)];
-+
-+ /* JMP */
-+ else if (OPCODE_JMP(op))
-+ addr = trap_registers.regs[OPCODE_JMP_REG(op)];
-+
-+ /* JSR */
-+ else if (OPCODE_JSR(op))
-+ addr = trap_registers.regs[OPCODE_JSR_REG(op)];
-+
-+ /* RTS */
-+ else if (OPCODE_RTS(op))
-+ addr = trap_registers.pr;
-+
-+ /* RTE */
-+ else if (OPCODE_RTE(op))
-+ addr = trap_registers.regs[15];
-+
-+ /* Other */
-+ else
-+ addr = trap_registers.pc + 2;
-+
-+ kgdb_flush_icache_range(addr, addr + 2);
-+ return (short *)addr;
-+}
-+
-+/* The command loop, read and act on requests */
-+int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
-+ char *remcom_in_buffer, char *remcom_out_buffer,
-+ struct pt_regs *ign)
-+{
-+ unsigned long addr;
-+ char *ptr = &remcom_in_buffer[1];
-+
-+ /* Examine first char of buffer to see what we need to do */
-+ switch (remcom_in_buffer[0]) {
-+ case 'c': /* Continue at address AA..AA (optional) */
-+ case 's': /* Step one instruction from AA..AA */
-+ /* Try to read optional parameter, PC unchanged if none */
-+ if (kgdb_hex2long(&ptr, &addr))
-+ trap_registers.pc = addr;
-+
-+ atomic_set(&cpu_doing_single_step, -1);
-+ if (remcom_in_buffer[0] == 's') {
-+ /* Replace the instruction immediately after the
-+ * current instruction (i.e. next in the expected
-+ * flow of control) with a trap instruction, so that
-+ * returning will cause only a single instruction to
-+ * be executed. Note that this model is slightly
-+ * broken for instructions with delay slots
-+ * (e.g. B[TF]S, BSR, BRA etc), where both the branch
-+ * and the instruction in the delay slot will be
-+ * executed.
-+ */
-+ /* Determine where the target instruction will send
-+ * us to */
-+ unsigned short *next_addr = get_step_address();
-+ stepped_address = (int)next_addr;
-+
-+ /* Replace it */
-+ stepped_opcode = *(short *)next_addr;
-+ *next_addr = STEP_OPCODE;
-+
-+ /* Flush and return */
-+ kgdb_flush_icache_range((long)next_addr,
-+ (long)next_addr + 2);
-+ if (kgdb_contthread)
-+ atomic_set(&cpu_doing_single_step,
-+ smp_processor_id());
-+ }
-+ return 0;
-+ }
-+ return -1;
-+}
-+
-+/*
-+ * When an exception has occured, we are called. We need to set things
-+ * up so that we can call kgdb_handle_exception to handle requests from
-+ * the remote GDB.
-+ */
-+void kgdb_exception_handler(struct pt_regs *regs)
-+{
-+ int excep_code, vbr_val;
-+ int count;
-+
-+ /* Copy kernel regs (from stack) */
-+ for (count = 0; count < 16; count++)
-+ trap_registers.regs[count] = regs->regs[count];
-+ trap_registers.pc = regs->pc;
-+ trap_registers.pr = regs->pr;
-+ trap_registers.sr = regs->sr;
-+ trap_registers.gbr = regs->gbr;
-+ trap_registers.mach = regs->mach;
-+ trap_registers.macl = regs->macl;
-+
-+ __asm__ __volatile__("stc vbr, %0":"=r"(vbr_val));
-+ trap_registers.vbr = vbr_val;
-+
-+ /* Get the execption code. */
-+ __asm__ __volatile__("stc r2_bank, %0":"=r"(excep_code));
-+
-+ excep_code >>= 5;
-+
-+ /* If we got an NMI, and KGDB is not yet initialized, call
-+ * breakpoint() to try and initialize everything for us. */
-+ if (excep_code == NMI_VEC && !kgdb_initialized) {
-+ breakpoint();
-+ return;
-+ }
-+
-+ /* TRAP_VEC exception indicates a software trap inserted in place of
-+ * code by GDB so back up PC by one instruction, as this instruction
-+ * will later be replaced by its original one. Do NOT do this for
-+ * trap 0xff, since that indicates a compiled-in breakpoint which
-+ * will not be replaced (and we would retake the trap forever) */
-+ if (excep_code == TRAP_VEC &&
-+ (*(volatile unsigned long *)TRA != (0xff << 2)))
-+ trap_registers.pc -= 2;
-+
-+ /* If we have been single-stepping, put back the old instruction.
-+ * We use stepped_address in case we have stopped more than one
-+ * instruction away. */
-+ if (stepped_opcode != 0) {
-+ *(short *)stepped_address = stepped_opcode;
-+ kgdb_flush_icache_range(stepped_address, stepped_address + 2);
-+ }
-+ stepped_opcode = 0;
-+
-+ /* Call the stub to do the processing. Note that not everything we
-+ * need to send back and forth lives in pt_regs. */
-+ kgdb_handle_exception(excep_code, compute_signal(excep_code), 0, regs);
-+
-+ /* Copy back the (maybe modified) registers */
-+ for (count = 0; count < 16; count++)
-+ regs->regs[count] = trap_registers.regs[count];
-+ regs->pc = trap_registers.pc;
-+ regs->pr = trap_registers.pr;
-+ regs->sr = trap_registers.sr;
-+ regs->gbr = trap_registers.gbr;
-+ regs->mach = trap_registers.mach;
-+ regs->macl = trap_registers.macl;
-+
-+ vbr_val = trap_registers.vbr;
-+ __asm__ __volatile__("ldc %0, vbr": :"r"(vbr_val));
-+}
-+
-+int __init kgdb_arch_init(void)
-+{
-+ per_cpu_trap_init();
-+
-+ return 0;
-+}
-+
-+struct kgdb_arch arch_kgdb_ops = {
-+#ifdef CONFIG_CPU_LITTLE_ENDIAN
-+ .gdb_bpt_instr = {0xff, 0xc3},
-+#else
-+ .gdb_bpt_instr = {0xc3, 0xff},
-+#endif
-+};
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/kgdb_jmp.S linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/kgdb_jmp.S
---- linux-2.6.18-53.1.14/arch/sh/kernel/kgdb_jmp.S 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/kgdb_jmp.S 1970-01-01 03:00:00.000000000 +0300
-@@ -1,33 +0,0 @@
--#include <linux/linkage.h>
--
--ENTRY(setjmp)
-- add #(9*4), r4
-- sts.l pr, @-r4
-- mov.l r15, @-r4
-- mov.l r14, @-r4
-- mov.l r13, @-r4
-- mov.l r12, @-r4
-- mov.l r11, @-r4
-- mov.l r10, @-r4
-- mov.l r9, @-r4
-- mov.l r8, @-r4
-- rts
-- mov #0, r0
--
--ENTRY(longjmp)
-- mov.l @r4+, r8
-- mov.l @r4+, r9
-- mov.l @r4+, r10
-- mov.l @r4+, r11
-- mov.l @r4+, r12
-- mov.l @r4+, r13
-- mov.l @r4+, r14
-- mov.l @r4+, r15
-- lds.l @r4+, pr
-- mov r5, r0
-- tst r0, r0
-- bf 1f
-- mov #1, r0 ! in case val==0
--1: rts
-- nop
--
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/kgdb_stub.c linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/kgdb_stub.c
---- linux-2.6.18-53.1.14/arch/sh/kernel/kgdb_stub.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/kgdb_stub.c 1970-01-01 03:00:00.000000000 +0300
-@@ -1,1491 +0,0 @@
--/*
-- * May be copied or modified under the terms of the GNU General Public
-- * License. See linux/COPYING for more information.
-- *
-- * Containes extracts from code by Glenn Engel, Jim Kingdon,
-- * David Grothe <dave@gcom.com>, Tigran Aivazian <tigran@sco.com>,
-- * Amit S. Kale <akale@veritas.com>, William Gatliff <bgat@open-widgets.com>,
-- * Ben Lee, Steve Chamberlain and Benoit Miller <fulg@iname.com>.
-- *
-- * This version by Henry Bell <henry.bell@st.com>
-- * Minor modifications by Jeremy Siegel <jsiegel@mvista.com>
-- *
-- * Contains low-level support for remote debug using GDB.
-- *
-- * To enable debugger support, two things need to happen. A call to
-- * set_debug_traps() is necessary in order to allow any breakpoints
-- * or error conditions to be properly intercepted and reported to gdb.
-- * A breakpoint also needs to be generated to begin communication. This
-- * is most easily accomplished by a call to breakpoint() which does
-- * a trapa if the initialisation phase has been successfully completed.
-- *
-- * In this case, set_debug_traps() is not used to "take over" exceptions;
-- * other kernel code is modified instead to enter the kgdb functions here
-- * when appropriate (see entry.S for breakpoint traps and NMI interrupts,
-- * see traps.c for kernel error exceptions).
-- *
-- * The following gdb commands are supported:
-- *
-- * Command Function Return value
-- *
-- * g return the value of the CPU registers hex data or ENN
-- * G set the value of the CPU registers OK or ENN
-- *
-- * mAA..AA,LLLL Read LLLL bytes at address AA..AA hex data or ENN
-- * MAA..AA,LLLL: Write LLLL bytes at address AA.AA OK or ENN
-- * XAA..AA,LLLL: Same, but data is binary (not hex) OK or ENN
-- *
-- * c Resume at current address SNN ( signal NN)
-- * cAA..AA Continue at address AA..AA SNN
-- * CNN; Resume at current address with signal SNN
-- * CNN;AA..AA Resume at address AA..AA with signal SNN
-- *
-- * s Step one instruction SNN
-- * sAA..AA Step one instruction from AA..AA SNN
-- * SNN; Step one instruction with signal SNN
-- * SNNAA..AA Step one instruction from AA..AA w/NN SNN
-- *
-- * k kill (Detach GDB)
-- *
-- * d Toggle debug flag
-- * D Detach GDB
-- *
-- * Hct Set thread t for operations, OK or ENN
-- * c = 'c' (step, cont), c = 'g' (other
-- * operations)
-- *
-- * qC Query current thread ID QCpid
-- * qfThreadInfo Get list of current threads (first) m<id>
-- * qsThreadInfo " " " " " (subsequent)
-- * qOffsets Get section offsets Text=x;Data=y;Bss=z
-- *
-- * TXX Find if thread XX is alive OK or ENN
-- * ? What was the last sigval ? SNN (signal NN)
-- * O Output to GDB console
-- *
-- * Remote communication protocol.
-- *
-- * A debug packet whose contents are <data> is encapsulated for
-- * transmission in the form:
-- *
-- * $ <data> # CSUM1 CSUM2
-- *
-- * <data> must be ASCII alphanumeric and cannot include characters
-- * '$' or '#'. If <data> starts with two characters followed by
-- * ':', then the existing stubs interpret this as a sequence number.
-- *
-- * CSUM1 and CSUM2 are ascii hex representation of an 8-bit
-- * checksum of <data>, the most significant nibble is sent first.
-- * the hex digits 0-9,a-f are used.
-- *
-- * Receiver responds with:
-- *
-- * + - if CSUM is correct and ready for next packet
-- * - - if CSUM is incorrect
-- *
-- * Responses can be run-length encoded to save space. A '*' means that
-- * the next character is an ASCII encoding giving a repeat count which
-- * stands for that many repititions of the character preceding the '*'.
-- * The encoding is n+29, yielding a printable character where n >=3
-- * (which is where RLE starts to win). Don't use an n > 126.
-- *
-- * So "0* " means the same as "0000".
-- */
--
--#include <linux/string.h>
--#include <linux/kernel.h>
--#include <linux/sched.h>
--#include <linux/smp.h>
--#include <linux/spinlock.h>
--#include <linux/delay.h>
--#include <linux/linkage.h>
--#include <linux/init.h>
--
--#include <asm/system.h>
--#include <asm/current.h>
--#include <asm/signal.h>
--#include <asm/pgtable.h>
--#include <asm/ptrace.h>
--#include <asm/kgdb.h>
--
--#ifdef CONFIG_SH_KGDB_CONSOLE
--#include <linux/console.h>
--#endif
--
--/* Function pointers for linkage */
--kgdb_debug_hook_t *kgdb_debug_hook;
--kgdb_bus_error_hook_t *kgdb_bus_err_hook;
--
--int (*kgdb_getchar)(void);
--void (*kgdb_putchar)(int);
--
--static void put_debug_char(int c)
--{
-- if (!kgdb_putchar)
-- return;
-- (*kgdb_putchar)(c);
--}
--static int get_debug_char(void)
--{
-- if (!kgdb_getchar)
-- return -1;
-- return (*kgdb_getchar)();
--}
--
--/* Num chars in in/out bound buffers, register packets need NUMREGBYTES * 2 */
--#define BUFMAX 1024
--#define NUMREGBYTES (MAXREG*4)
--#define OUTBUFMAX (NUMREGBYTES*2+512)
--
--enum regs {
-- R0 = 0, R1, R2, R3, R4, R5, R6, R7,
-- R8, R9, R10, R11, R12, R13, R14, R15,
-- PC, PR, GBR, VBR, MACH, MACL, SR,
-- /* */
-- MAXREG
--};
--
--static unsigned int registers[MAXREG];
--struct kgdb_regs trap_registers;
--
--char kgdb_in_gdb_mode;
--char in_nmi; /* Set during NMI to prevent reentry */
--int kgdb_nofault; /* Boolean to ignore bus errs (i.e. in GDB) */
--int kgdb_enabled = 1; /* Default to enabled, cmdline can disable */
--int kgdb_halt;
--
--/* Exposed for user access */
--struct task_struct *kgdb_current;
--unsigned int kgdb_g_imask;
--int kgdb_trapa_val;
--int kgdb_excode;
--
--/* Default values for SCI (can override via kernel args in setup.c) */
--#ifndef CONFIG_KGDB_DEFPORT
--#define CONFIG_KGDB_DEFPORT 1
--#endif
--
--#ifndef CONFIG_KGDB_DEFBAUD
--#define CONFIG_KGDB_DEFBAUD 115200
--#endif
--
--#if defined(CONFIG_KGDB_DEFPARITY_E)
--#define CONFIG_KGDB_DEFPARITY 'E'
--#elif defined(CONFIG_KGDB_DEFPARITY_O)
--#define CONFIG_KGDB_DEFPARITY 'O'
--#else /* CONFIG_KGDB_DEFPARITY_N */
--#define CONFIG_KGDB_DEFPARITY 'N'
--#endif
--
--#ifdef CONFIG_KGDB_DEFBITS_7
--#define CONFIG_KGDB_DEFBITS '7'
--#else /* CONFIG_KGDB_DEFBITS_8 */
--#define CONFIG_KGDB_DEFBITS '8'
--#endif
--
--/* SCI/UART settings, used in kgdb_console_setup() */
--int kgdb_portnum = CONFIG_KGDB_DEFPORT;
--int kgdb_baud = CONFIG_KGDB_DEFBAUD;
--char kgdb_parity = CONFIG_KGDB_DEFPARITY;
--char kgdb_bits = CONFIG_KGDB_DEFBITS;
--
--/* Jump buffer for setjmp/longjmp */
--static jmp_buf rem_com_env;
--
--/* TRA differs sh3/4 */
--#if defined(CONFIG_CPU_SH3)
--#define TRA 0xffffffd0
--#elif defined(CONFIG_CPU_SH4)
--#define TRA 0xff000020
--#endif
--
--/* Macros for single step instruction identification */
--#define OPCODE_BT(op) (((op) & 0xff00) == 0x8900)
--#define OPCODE_BF(op) (((op) & 0xff00) == 0x8b00)
--#define OPCODE_BTF_DISP(op) (((op) & 0x80) ? (((op) | 0xffffff80) << 1) : \
-- (((op) & 0x7f ) << 1))
--#define OPCODE_BFS(op) (((op) & 0xff00) == 0x8f00)
--#define OPCODE_BTS(op) (((op) & 0xff00) == 0x8d00)
--#define OPCODE_BRA(op) (((op) & 0xf000) == 0xa000)
--#define OPCODE_BRA_DISP(op) (((op) & 0x800) ? (((op) | 0xfffff800) << 1) : \
-- (((op) & 0x7ff) << 1))
--#define OPCODE_BRAF(op) (((op) & 0xf0ff) == 0x0023)
--#define OPCODE_BRAF_REG(op) (((op) & 0x0f00) >> 8)
--#define OPCODE_BSR(op) (((op) & 0xf000) == 0xb000)
--#define OPCODE_BSR_DISP(op) (((op) & 0x800) ? (((op) | 0xfffff800) << 1) : \
-- (((op) & 0x7ff) << 1))
--#define OPCODE_BSRF(op) (((op) & 0xf0ff) == 0x0003)
--#define OPCODE_BSRF_REG(op) (((op) >> 8) & 0xf)
--#define OPCODE_JMP(op) (((op) & 0xf0ff) == 0x402b)
--#define OPCODE_JMP_REG(op) (((op) >> 8) & 0xf)
--#define OPCODE_JSR(op) (((op) & 0xf0ff) == 0x400b)
--#define OPCODE_JSR_REG(op) (((op) >> 8) & 0xf)
--#define OPCODE_RTS(op) ((op) == 0xb)
--#define OPCODE_RTE(op) ((op) == 0x2b)
--
--#define SR_T_BIT_MASK 0x1
--#define STEP_OPCODE 0xc320
--#define BIOS_CALL_TRAP 0x3f
--
--/* Exception codes as per SH-4 core manual */
--#define ADDRESS_ERROR_LOAD_VEC 7
--#define ADDRESS_ERROR_STORE_VEC 8
--#define TRAP_VEC 11
--#define INVALID_INSN_VEC 12
--#define INVALID_SLOT_VEC 13
--#define NMI_VEC 14
--#define USER_BREAK_VEC 15
--#define SERIAL_BREAK_VEC 58
--
--/* Misc static */
--static int stepped_address;
--static short stepped_opcode;
--static const char hexchars[] = "0123456789abcdef";
--static char in_buffer[BUFMAX];
--static char out_buffer[OUTBUFMAX];
--
--static void kgdb_to_gdb(const char *s);
--
--#ifdef CONFIG_KGDB_THREAD
--static struct task_struct *trapped_thread;
--static struct task_struct *current_thread;
--typedef unsigned char threadref[8];
--#define BUF_THREAD_ID_SIZE 16
--#endif
--
--/* Return addr as a real volatile address */
--static inline unsigned int ctrl_inl(const unsigned long addr)
--{
-- return *(volatile unsigned long *) addr;
--}
--
--/* Correctly set *addr using volatile */
--static inline void ctrl_outl(const unsigned int b, unsigned long addr)
--{
-- *(volatile unsigned long *) addr = b;
--}
--
--/* Get high hex bits */
--static char highhex(const int x)
--{
-- return hexchars[(x >> 4) & 0xf];
--}
--
--/* Get low hex bits */
--static char lowhex(const int x)
--{
-- return hexchars[x & 0xf];
--}
--
--/* Convert ch to hex */
--static int hex(const char ch)
--{
-- if ((ch >= 'a') && (ch <= 'f'))
-- return (ch - 'a' + 10);
-- if ((ch >= '0') && (ch <= '9'))
-- return (ch - '0');
-- if ((ch >= 'A') && (ch <= 'F'))
-- return (ch - 'A' + 10);
-- return (-1);
--}
--
--/* Convert the memory pointed to by mem into hex, placing result in buf.
-- Returns a pointer to the last char put in buf (null) */
--static char *mem_to_hex(const char *mem, char *buf, const int count)
--{
-- int i;
-- int ch;
-- unsigned short s_val;
-- unsigned long l_val;
--
-- /* Check for 16 or 32 */
-- if (count == 2 && ((long) mem & 1) == 0) {
-- s_val = *(unsigned short *) mem;
-- mem = (char *) &s_val;
-- } else if (count == 4 && ((long) mem & 3) == 0) {
-- l_val = *(unsigned long *) mem;
-- mem = (char *) &l_val;
-- }
-- for (i = 0; i < count; i++) {
-- ch = *mem++;
-- *buf++ = highhex(ch);
-- *buf++ = lowhex(ch);
-- }
-- *buf = 0;
-- return (buf);
--}
--
--/* Convert the hex array pointed to by buf into binary, to be placed in mem.
-- Return a pointer to the character after the last byte written */
--static char *hex_to_mem(const char *buf, char *mem, const int count)
--{
-- int i;
-- unsigned char ch;
--
-- for (i = 0; i < count; i++) {
-- ch = hex(*buf++) << 4;
-- ch = ch + hex(*buf++);
-- *mem++ = ch;
-- }
-- return (mem);
--}
--
--/* While finding valid hex chars, convert to an integer, then return it */
--static int hex_to_int(char **ptr, int *int_value)
--{
-- int num_chars = 0;
-- int hex_value;
--
-- *int_value = 0;
--
-- while (**ptr) {
-- hex_value = hex(**ptr);
-- if (hex_value >= 0) {
-- *int_value = (*int_value << 4) | hex_value;
-- num_chars++;
-- } else
-- break;
-- (*ptr)++;
-- }
-- return num_chars;
--}
--
--/* Copy the binary array pointed to by buf into mem. Fix $, #,
-- and 0x7d escaped with 0x7d. Return a pointer to the character
-- after the last byte written. */
--static char *ebin_to_mem(const char *buf, char *mem, int count)
--{
-- for (; count > 0; count--, buf++) {
-- if (*buf == 0x7d)
-- *mem++ = *(++buf) ^ 0x20;
-- else
-- *mem++ = *buf;
-- }
-- return mem;
--}
--
--/* Pack a hex byte */
--static char *pack_hex_byte(char *pkt, int byte)
--{
-- *pkt++ = hexchars[(byte >> 4) & 0xf];
-- *pkt++ = hexchars[(byte & 0xf)];
-- return pkt;
--}
--
--#ifdef CONFIG_KGDB_THREAD
--
--/* Pack a thread ID */
--static char *pack_threadid(char *pkt, threadref * id)
--{
-- char *limit;
-- unsigned char *altid;
--
-- altid = (unsigned char *) id;
--
-- limit = pkt + BUF_THREAD_ID_SIZE;
-- while (pkt < limit)
-- pkt = pack_hex_byte(pkt, *altid++);
-- return pkt;
--}
--
--/* Convert an integer into our threadref */
--static void int_to_threadref(threadref * id, const int value)
--{
-- unsigned char *scan = (unsigned char *) id;
-- int i = 4;
--
-- while (i--)
-- *scan++ = 0;
--
-- *scan++ = (value >> 24) & 0xff;
-- *scan++ = (value >> 16) & 0xff;
-- *scan++ = (value >> 8) & 0xff;
-- *scan++ = (value & 0xff);
--}
--
--/* Return a task structure ptr for a particular pid */
--static struct task_struct *get_thread(int pid)
--{
-- struct task_struct *thread;
--
-- /* Use PID_MAX w/gdb for pid 0 */
-- if (pid == PID_MAX) pid = 0;
--
-- /* First check via PID */
-- thread = find_task_by_pid(pid);
--
-- if (thread)
-- return thread;
--
-- /* Start at the start */
-- thread = init_tasks[0];
--
-- /* Walk along the linked list of tasks */
-- do {
-- if (thread->pid == pid)
-- return thread;
-- thread = thread->next_task;
-- } while (thread != init_tasks[0]);
--
-- return NULL;
--}
--
--#endif /* CONFIG_KGDB_THREAD */
--
--/* Scan for the start char '$', read the packet and check the checksum */
--static void get_packet(char *buffer, int buflen)
--{
-- unsigned char checksum;
-- unsigned char xmitcsum;
-- int i;
-- int count;
-- char ch;
--
-- do {
-- /* Ignore everything until the start character */
-- while ((ch = get_debug_char()) != '$');
--
-- checksum = 0;
-- xmitcsum = -1;
-- count = 0;
--
-- /* Now, read until a # or end of buffer is found */
-- while (count < (buflen - 1)) {
-- ch = get_debug_char();
--
-- if (ch == '#')
-- break;
--
-- checksum = checksum + ch;
-- buffer[count] = ch;
-- count = count + 1;
-- }
--
-- buffer[count] = 0;
--
-- /* Continue to read checksum following # */
-- if (ch == '#') {
-- xmitcsum = hex(get_debug_char()) << 4;
-- xmitcsum += hex(get_debug_char());
--
-- /* Checksum */
-- if (checksum != xmitcsum)
-- put_debug_char('-'); /* Failed checksum */
-- else {
-- /* Ack successful transfer */
-- put_debug_char('+');
--
-- /* If a sequence char is present, reply
-- the sequence ID */
-- if (buffer[2] == ':') {
-- put_debug_char(buffer[0]);
-- put_debug_char(buffer[1]);
--
-- /* Remove sequence chars from buffer */
-- count = strlen(buffer);
-- for (i = 3; i <= count; i++)
-- buffer[i - 3] = buffer[i];
-- }
-- }
-- }
-- }
-- while (checksum != xmitcsum); /* Keep trying while we fail */
--}
--
--/* Send the packet in the buffer with run-length encoding */
--static void put_packet(char *buffer)
--{
-- int checksum;
-- char *src;
-- int runlen;
-- int encode;
--
-- do {
-- src = buffer;
-- put_debug_char('$');
-- checksum = 0;
--
-- /* Continue while we still have chars left */
-- while (*src) {
-- /* Check for runs up to 99 chars long */
-- for (runlen = 1; runlen < 99; runlen++) {
-- if (src[0] != src[runlen])
-- break;
-- }
--
-- if (runlen > 3) {
-- /* Got a useful amount, send encoding */
-- encode = runlen + ' ' - 4;
-- put_debug_char(*src); checksum += *src;
-- put_debug_char('*'); checksum += '*';
-- put_debug_char(encode); checksum += encode;
-- src += runlen;
-- } else {
-- /* Otherwise just send the current char */
-- put_debug_char(*src); checksum += *src;
-- src += 1;
-- }
-- }
--
-- /* '#' Separator, put high and low components of checksum */
-- put_debug_char('#');
-- put_debug_char(highhex(checksum));
-- put_debug_char(lowhex(checksum));
-- }
-- while ((get_debug_char()) != '+'); /* While no ack */
--}
--
--/* A bus error has occurred - perform a longjmp to return execution and
-- allow handling of the error */
--static void kgdb_handle_bus_error(void)
--{
-- longjmp(rem_com_env, 1);
--}
--
--/* Translate SH-3/4 exception numbers to unix-like signal values */
--static int compute_signal(const int excep_code)
--{
-- int sigval;
--
-- switch (excep_code) {
--
-- case INVALID_INSN_VEC:
-- case INVALID_SLOT_VEC:
-- sigval = SIGILL;
-- break;
-- case ADDRESS_ERROR_LOAD_VEC:
-- case ADDRESS_ERROR_STORE_VEC:
-- sigval = SIGSEGV;
-- break;
--
-- case SERIAL_BREAK_VEC:
-- case NMI_VEC:
-- sigval = SIGINT;
-- break;
--
-- case USER_BREAK_VEC:
-- case TRAP_VEC:
-- sigval = SIGTRAP;
-- break;
--
-- default:
-- sigval = SIGBUS; /* "software generated" */
-- break;
-- }
--
-- return (sigval);
--}
--
--/* Make a local copy of the registers passed into the handler (bletch) */
--static void kgdb_regs_to_gdb_regs(const struct kgdb_regs *regs,
-- int *gdb_regs)
--{
-- gdb_regs[R0] = regs->regs[R0];
-- gdb_regs[R1] = regs->regs[R1];
-- gdb_regs[R2] = regs->regs[R2];
-- gdb_regs[R3] = regs->regs[R3];
-- gdb_regs[R4] = regs->regs[R4];
-- gdb_regs[R5] = regs->regs[R5];
-- gdb_regs[R6] = regs->regs[R6];
-- gdb_regs[R7] = regs->regs[R7];
-- gdb_regs[R8] = regs->regs[R8];
-- gdb_regs[R9] = regs->regs[R9];
-- gdb_regs[R10] = regs->regs[R10];
-- gdb_regs[R11] = regs->regs[R11];
-- gdb_regs[R12] = regs->regs[R12];
-- gdb_regs[R13] = regs->regs[R13];
-- gdb_regs[R14] = regs->regs[R14];
-- gdb_regs[R15] = regs->regs[R15];
-- gdb_regs[PC] = regs->pc;
-- gdb_regs[PR] = regs->pr;
-- gdb_regs[GBR] = regs->gbr;
-- gdb_regs[MACH] = regs->mach;
-- gdb_regs[MACL] = regs->macl;
-- gdb_regs[SR] = regs->sr;
-- gdb_regs[VBR] = regs->vbr;
--}
--
--/* Copy local gdb registers back to kgdb regs, for later copy to kernel */
--static void gdb_regs_to_kgdb_regs(const int *gdb_regs,
-- struct kgdb_regs *regs)
--{
-- regs->regs[R0] = gdb_regs[R0];
-- regs->regs[R1] = gdb_regs[R1];
-- regs->regs[R2] = gdb_regs[R2];
-- regs->regs[R3] = gdb_regs[R3];
-- regs->regs[R4] = gdb_regs[R4];
-- regs->regs[R5] = gdb_regs[R5];
-- regs->regs[R6] = gdb_regs[R6];
-- regs->regs[R7] = gdb_regs[R7];
-- regs->regs[R8] = gdb_regs[R8];
-- regs->regs[R9] = gdb_regs[R9];
-- regs->regs[R10] = gdb_regs[R10];
-- regs->regs[R11] = gdb_regs[R11];
-- regs->regs[R12] = gdb_regs[R12];
-- regs->regs[R13] = gdb_regs[R13];
-- regs->regs[R14] = gdb_regs[R14];
-- regs->regs[R15] = gdb_regs[R15];
-- regs->pc = gdb_regs[PC];
-- regs->pr = gdb_regs[PR];
-- regs->gbr = gdb_regs[GBR];
-- regs->mach = gdb_regs[MACH];
-- regs->macl = gdb_regs[MACL];
-- regs->sr = gdb_regs[SR];
-- regs->vbr = gdb_regs[VBR];
--}
--
--#ifdef CONFIG_KGDB_THREAD
--/* Make a local copy of registers from the specified thread */
--asmlinkage void ret_from_fork(void);
--static void thread_regs_to_gdb_regs(const struct task_struct *thread,
-- int *gdb_regs)
--{
-- int regno;
-- int *tregs;
--
-- /* Initialize to zero */
-- for (regno = 0; regno < MAXREG; regno++)
-- gdb_regs[regno] = 0;
--
-- /* Just making sure... */
-- if (thread == NULL)
-- return;
--
-- /* A new fork has pt_regs on the stack from a fork() call */
-- if (thread->thread.pc == (unsigned long)ret_from_fork) {
--
-- int vbr_val;
-- struct pt_regs *kregs;
-- kregs = (struct pt_regs*)thread->thread.sp;
--
-- gdb_regs[R0] = kregs->regs[R0];
-- gdb_regs[R1] = kregs->regs[R1];
-- gdb_regs[R2] = kregs->regs[R2];
-- gdb_regs[R3] = kregs->regs[R3];
-- gdb_regs[R4] = kregs->regs[R4];
-- gdb_regs[R5] = kregs->regs[R5];
-- gdb_regs[R6] = kregs->regs[R6];
-- gdb_regs[R7] = kregs->regs[R7];
-- gdb_regs[R8] = kregs->regs[R8];
-- gdb_regs[R9] = kregs->regs[R9];
-- gdb_regs[R10] = kregs->regs[R10];
-- gdb_regs[R11] = kregs->regs[R11];
-- gdb_regs[R12] = kregs->regs[R12];
-- gdb_regs[R13] = kregs->regs[R13];
-- gdb_regs[R14] = kregs->regs[R14];
-- gdb_regs[R15] = kregs->regs[R15];
-- gdb_regs[PC] = kregs->pc;
-- gdb_regs[PR] = kregs->pr;
-- gdb_regs[GBR] = kregs->gbr;
-- gdb_regs[MACH] = kregs->mach;
-- gdb_regs[MACL] = kregs->macl;
-- gdb_regs[SR] = kregs->sr;
--
-- asm("stc vbr, %0":"=r"(vbr_val));
-- gdb_regs[VBR] = vbr_val;
-- return;
-- }
--
-- /* Otherwise, we have only some registers from switch_to() */
-- tregs = (int *)thread->thread.sp;
-- gdb_regs[R15] = (int)tregs;
-- gdb_regs[R14] = *tregs++;
-- gdb_regs[R13] = *tregs++;
-- gdb_regs[R12] = *tregs++;
-- gdb_regs[R11] = *tregs++;
-- gdb_regs[R10] = *tregs++;
-- gdb_regs[R9] = *tregs++;
-- gdb_regs[R8] = *tregs++;
-- gdb_regs[PR] = *tregs++;
-- gdb_regs[GBR] = *tregs++;
-- gdb_regs[PC] = thread->thread.pc;
--}
--#endif /* CONFIG_KGDB_THREAD */
--
--/* Calculate the new address for after a step */
--static short *get_step_address(void)
--{
-- short op = *(short *) trap_registers.pc;
-- long addr;
--
-- /* BT */
-- if (OPCODE_BT(op)) {
-- if (trap_registers.sr & SR_T_BIT_MASK)
-- addr = trap_registers.pc + 4 + OPCODE_BTF_DISP(op);
-- else
-- addr = trap_registers.pc + 2;
-- }
--
-- /* BTS */
-- else if (OPCODE_BTS(op)) {
-- if (trap_registers.sr & SR_T_BIT_MASK)
-- addr = trap_registers.pc + 4 + OPCODE_BTF_DISP(op);
-- else
-- addr = trap_registers.pc + 4; /* Not in delay slot */
-- }
--
-- /* BF */
-- else if (OPCODE_BF(op)) {
-- if (!(trap_registers.sr & SR_T_BIT_MASK))
-- addr = trap_registers.pc + 4 + OPCODE_BTF_DISP(op);
-- else
-- addr = trap_registers.pc + 2;
-- }
--
-- /* BFS */
-- else if (OPCODE_BFS(op)) {
-- if (!(trap_registers.sr & SR_T_BIT_MASK))
-- addr = trap_registers.pc + 4 + OPCODE_BTF_DISP(op);
-- else
-- addr = trap_registers.pc + 4; /* Not in delay slot */
-- }
--
-- /* BRA */
-- else if (OPCODE_BRA(op))
-- addr = trap_registers.pc + 4 + OPCODE_BRA_DISP(op);
--
-- /* BRAF */
-- else if (OPCODE_BRAF(op))
-- addr = trap_registers.pc + 4
-- + trap_registers.regs[OPCODE_BRAF_REG(op)];
--
-- /* BSR */
-- else if (OPCODE_BSR(op))
-- addr = trap_registers.pc + 4 + OPCODE_BSR_DISP(op);
--
-- /* BSRF */
-- else if (OPCODE_BSRF(op))
-- addr = trap_registers.pc + 4
-- + trap_registers.regs[OPCODE_BSRF_REG(op)];
--
-- /* JMP */
-- else if (OPCODE_JMP(op))
-- addr = trap_registers.regs[OPCODE_JMP_REG(op)];
--
-- /* JSR */
-- else if (OPCODE_JSR(op))
-- addr = trap_registers.regs[OPCODE_JSR_REG(op)];
--
-- /* RTS */
-- else if (OPCODE_RTS(op))
-- addr = trap_registers.pr;
--
-- /* RTE */
-- else if (OPCODE_RTE(op))
-- addr = trap_registers.regs[15];
--
-- /* Other */
-- else
-- addr = trap_registers.pc + 2;
--
-- kgdb_flush_icache_range(addr, addr + 2);
-- return (short *) addr;
--}
--
--/* Set up a single-step. Replace the instruction immediately after the
-- current instruction (i.e. next in the expected flow of control) with a
-- trap instruction, so that returning will cause only a single instruction
-- to be executed. Note that this model is slightly broken for instructions
-- with delay slots (e.g. B[TF]S, BSR, BRA etc), where both the branch
-- and the instruction in the delay slot will be executed. */
--static void do_single_step(void)
--{
-- unsigned short *addr = 0;
--
-- /* Determine where the target instruction will send us to */
-- addr = get_step_address();
-- stepped_address = (int)addr;
--
-- /* Replace it */
-- stepped_opcode = *(short *)addr;
-- *addr = STEP_OPCODE;
--
-- /* Flush and return */
-- kgdb_flush_icache_range((long) addr, (long) addr + 2);
-- return;
--}
--
--/* Undo a single step */
--static void undo_single_step(void)
--{
-- /* If we have stepped, put back the old instruction */
-- /* Use stepped_address in case we stopped elsewhere */
-- if (stepped_opcode != 0) {
-- *(short*)stepped_address = stepped_opcode;
-- kgdb_flush_icache_range(stepped_address, stepped_address + 2);
-- }
-- stepped_opcode = 0;
--}
--
--/* Send a signal message */
--static void send_signal_msg(const int signum)
--{
--#ifndef CONFIG_KGDB_THREAD
-- out_buffer[0] = 'S';
-- out_buffer[1] = highhex(signum);
-- out_buffer[2] = lowhex(signum);
-- out_buffer[3] = 0;
-- put_packet(out_buffer);
--#else /* CONFIG_KGDB_THREAD */
-- int threadid;
-- threadref thref;
-- char *out = out_buffer;
-- const char *tstring = "thread";
--
-- *out++ = 'T';
-- *out++ = highhex(signum);
-- *out++ = lowhex(signum);
--
-- while (*tstring) {
-- *out++ = *tstring++;
-- }
-- *out++ = ':';
--
-- threadid = trapped_thread->pid;
-- if (threadid == 0) threadid = PID_MAX;
-- int_to_threadref(&thref, threadid);
-- pack_threadid(out, &thref);
-- out += BUF_THREAD_ID_SIZE;
-- *out++ = ';';
--
-- *out = 0;
-- put_packet(out_buffer);
--#endif /* CONFIG_KGDB_THREAD */
--}
--
--/* Reply that all was well */
--static void send_ok_msg(void)
--{
-- strcpy(out_buffer, "OK");
-- put_packet(out_buffer);
--}
--
--/* Reply that an error occurred */
--static void send_err_msg(void)
--{
-- strcpy(out_buffer, "E01");
-- put_packet(out_buffer);
--}
--
--/* Empty message indicates unrecognised command */
--static void send_empty_msg(void)
--{
-- put_packet("");
--}
--
--/* Read memory due to 'm' message */
--static void read_mem_msg(void)
--{
-- char *ptr;
-- int addr;
-- int length;
--
-- /* Jmp, disable bus error handler */
-- if (setjmp(rem_com_env) == 0) {
--
-- kgdb_nofault = 1;
--
-- /* Walk through, have m<addr>,<length> */
-- ptr = &in_buffer[1];
-- if (hex_to_int(&ptr, &addr) && (*ptr++ == ','))
-- if (hex_to_int(&ptr, &length)) {
-- ptr = 0;
-- if (length * 2 > OUTBUFMAX)
-- length = OUTBUFMAX / 2;
-- mem_to_hex((char *) addr, out_buffer, length);
-- }
-- if (ptr)
-- send_err_msg();
-- else
-- put_packet(out_buffer);
-- } else
-- send_err_msg();
--
-- /* Restore bus error handler */
-- kgdb_nofault = 0;
--}
--
--/* Write memory due to 'M' or 'X' message */
--static void write_mem_msg(int binary)
--{
-- char *ptr;
-- int addr;
-- int length;
--
-- if (setjmp(rem_com_env) == 0) {
--
-- kgdb_nofault = 1;
--
-- /* Walk through, have M<addr>,<length>:<data> */
-- ptr = &in_buffer[1];
-- if (hex_to_int(&ptr, &addr) && (*ptr++ == ','))
-- if (hex_to_int(&ptr, &length) && (*ptr++ == ':')) {
-- if (binary)
-- ebin_to_mem(ptr, (char*)addr, length);
-- else
-- hex_to_mem(ptr, (char*)addr, length);
-- kgdb_flush_icache_range(addr, addr + length);
-- ptr = 0;
-- send_ok_msg();
-- }
-- if (ptr)
-- send_err_msg();
-- } else
-- send_err_msg();
--
-- /* Restore bus error handler */
-- kgdb_nofault = 0;
--}
--
--/* Continue message */
--static void continue_msg(void)
--{
-- /* Try to read optional parameter, PC unchanged if none */
-- char *ptr = &in_buffer[1];
-- int addr;
--
-- if (hex_to_int(&ptr, &addr))
-- trap_registers.pc = addr;
--}
--
--/* Continue message with signal */
--static void continue_with_sig_msg(void)
--{
-- int signal;
-- char *ptr = &in_buffer[1];
-- int addr;
--
-- /* Report limitation */
-- kgdb_to_gdb("Cannot force signal in kgdb, continuing anyway.\n");
--
-- /* Signal */
-- hex_to_int(&ptr, &signal);
-- if (*ptr == ';')
-- ptr++;
--
-- /* Optional address */
-- if (hex_to_int(&ptr, &addr))
-- trap_registers.pc = addr;
--}
--
--/* Step message */
--static void step_msg(void)
--{
-- continue_msg();
-- do_single_step();
--}
--
--/* Step message with signal */
--static void step_with_sig_msg(void)
--{
-- continue_with_sig_msg();
-- do_single_step();
--}
--
--/* Send register contents */
--static void send_regs_msg(void)
--{
--#ifdef CONFIG_KGDB_THREAD
-- if (!current_thread)
-- kgdb_regs_to_gdb_regs(&trap_registers, registers);
-- else
-- thread_regs_to_gdb_regs(current_thread, registers);
--#else
-- kgdb_regs_to_gdb_regs(&trap_registers, registers);
--#endif
--
-- mem_to_hex((char *) registers, out_buffer, NUMREGBYTES);
-- put_packet(out_buffer);
--}
--
--/* Set register contents - currently can't set other thread's registers */
--static void set_regs_msg(void)
--{
--#ifdef CONFIG_KGDB_THREAD
-- if (!current_thread) {
--#endif
-- kgdb_regs_to_gdb_regs(&trap_registers, registers);
-- hex_to_mem(&in_buffer[1], (char *) registers, NUMREGBYTES);
-- gdb_regs_to_kgdb_regs(registers, &trap_registers);
-- send_ok_msg();
--#ifdef CONFIG_KGDB_THREAD
-- } else
-- send_err_msg();
--#endif
--}
--
--
--#ifdef CONFIG_KGDB_THREAD
--
--/* Set the status for a thread */
--void set_thread_msg(void)
--{
-- int threadid;
-- struct task_struct *thread = NULL;
-- char *ptr;
--
-- switch (in_buffer[1]) {
--
-- /* To select which thread for gG etc messages, i.e. supported */
-- case 'g':
--
-- ptr = &in_buffer[2];
-- hex_to_int(&ptr, &threadid);
-- thread = get_thread(threadid);
--
-- /* If we haven't found it */
-- if (!thread) {
-- send_err_msg();
-- break;
-- }
--
-- /* Set current_thread (or not) */
-- if (thread == trapped_thread)
-- current_thread = NULL;
-- else
-- current_thread = thread;
-- send_ok_msg();
-- break;
--
-- /* To select which thread for cCsS messages, i.e. unsupported */
-- case 'c':
-- send_ok_msg();
-- break;
--
-- default:
-- send_empty_msg();
-- break;
-- }
--}
--
--/* Is a thread alive? */
--static void thread_status_msg(void)
--{
-- char *ptr;
-- int threadid;
-- struct task_struct *thread = NULL;
--
-- ptr = &in_buffer[1];
-- hex_to_int(&ptr, &threadid);
-- thread = get_thread(threadid);
-- if (thread)
-- send_ok_msg();
-- else
-- send_err_msg();
--}
--/* Send the current thread ID */
--static void thread_id_msg(void)
--{
-- int threadid;
-- threadref thref;
--
-- out_buffer[0] = 'Q';
-- out_buffer[1] = 'C';
--
-- if (current_thread)
-- threadid = current_thread->pid;
-- else if (trapped_thread)
-- threadid = trapped_thread->pid;
-- else /* Impossible, but just in case! */
-- {
-- send_err_msg();
-- return;
-- }
--
-- /* Translate pid 0 to PID_MAX for gdb */
-- if (threadid == 0) threadid = PID_MAX;
--
-- int_to_threadref(&thref, threadid);
-- pack_threadid(out_buffer + 2, &thref);
-- out_buffer[2 + BUF_THREAD_ID_SIZE] = '\0';
-- put_packet(out_buffer);
--}
--
--/* Send thread info */
--static void thread_info_msg(void)
--{
-- struct task_struct *thread = NULL;
-- int threadid;
-- char *pos;
-- threadref thref;
--
-- /* Start with 'm' */
-- out_buffer[0] = 'm';
-- pos = &out_buffer[1];
--
-- /* For all possible thread IDs - this will overrun if > 44 threads! */
-- /* Start at 1 and include PID_MAX (since GDB won't use pid 0...) */
-- for (threadid = 1; threadid <= PID_MAX; threadid++) {
--
-- read_lock(&tasklist_lock);
-- thread = get_thread(threadid);
-- read_unlock(&tasklist_lock);
--
-- /* If it's a valid thread */
-- if (thread) {
-- int_to_threadref(&thref, threadid);
-- pack_threadid(pos, &thref);
-- pos += BUF_THREAD_ID_SIZE;
-- *pos++ = ',';
-- }
-- }
-- *--pos = 0; /* Lose final comma */
-- put_packet(out_buffer);
--
--}
--
--/* Return printable info for gdb's 'info threads' command */
--static void thread_extra_info_msg(void)
--{
-- int threadid;
-- struct task_struct *thread = NULL;
-- char buffer[20], *ptr;
-- int i;
--
-- /* Extract thread ID */
-- ptr = &in_buffer[17];
-- hex_to_int(&ptr, &threadid);
-- thread = get_thread(threadid);
--
-- /* If we don't recognise it, say so */
-- if (thread == NULL)
-- strcpy(buffer, "(unknown)");
-- else
-- strcpy(buffer, thread->comm);
--
-- /* Construct packet */
-- for (i = 0, ptr = out_buffer; buffer[i]; i++)
-- ptr = pack_hex_byte(ptr, buffer[i]);
--
-- if (thread->thread.pc == (unsigned long)ret_from_fork) {
-- strcpy(buffer, "<new fork>");
-- for (i = 0; buffer[i]; i++)
-- ptr = pack_hex_byte(ptr, buffer[i]);
-- }
--
-- *ptr = '\0';
-- put_packet(out_buffer);
--}
--
--/* Handle all qFooBarBaz messages - have to use an if statement as
-- opposed to a switch because q messages can have > 1 char id. */
--static void query_msg(void)
--{
-- const char *q_start = &in_buffer[1];
--
-- /* qC = return current thread ID */
-- if (strncmp(q_start, "C", 1) == 0)
-- thread_id_msg();
--
-- /* qfThreadInfo = query all threads (first) */
-- else if (strncmp(q_start, "fThreadInfo", 11) == 0)
-- thread_info_msg();
--
-- /* qsThreadInfo = query all threads (subsequent). We know we have sent
-- them all after the qfThreadInfo message, so there are no to send */
-- else if (strncmp(q_start, "sThreadInfo", 11) == 0)
-- put_packet("l"); /* el = last */
--
-- /* qThreadExtraInfo = supply printable information per thread */
-- else if (strncmp(q_start, "ThreadExtraInfo", 15) == 0)
-- thread_extra_info_msg();
--
-- /* Unsupported - empty message as per spec */
-- else
-- send_empty_msg();
--}
--#endif /* CONFIG_KGDB_THREAD */
--
--/*
-- * Bring up the ports..
-- */
--static int kgdb_serial_setup(void)
--{
-- extern int kgdb_console_setup(struct console *co, char *options);
-- struct console dummy;
--
-- kgdb_console_setup(&dummy, 0);
--
-- return 0;
--}
--
--/* The command loop, read and act on requests */
--static void kgdb_command_loop(const int excep_code, const int trapa_value)
--{
-- int sigval;
--
-- if (excep_code == NMI_VEC) {
--#ifndef CONFIG_KGDB_NMI
-- KGDB_PRINTK("Ignoring unexpected NMI?\n");
-- return;
--#else /* CONFIG_KGDB_NMI */
-- if (!kgdb_enabled) {
-- kgdb_enabled = 1;
-- kgdb_init();
-- }
--#endif /* CONFIG_KGDB_NMI */
-- }
--
-- /* Ignore if we're disabled */
-- if (!kgdb_enabled)
-- return;
--
--#ifdef CONFIG_KGDB_THREAD
-- /* Until GDB specifies a thread */
-- current_thread = NULL;
-- trapped_thread = current;
--#endif
--
-- /* Enter GDB mode (e.g. after detach) */
-- if (!kgdb_in_gdb_mode) {
-- /* Do serial setup, notify user, issue preemptive ack */
-- kgdb_serial_setup();
-- KGDB_PRINTK("Waiting for GDB (on %s%d at %d baud)\n",
-- (kgdb_porttype ? kgdb_porttype->name : ""),
-- kgdb_portnum, kgdb_baud);
-- kgdb_in_gdb_mode = 1;
-- put_debug_char('+');
-- }
--
-- /* Reply to host that an exception has occurred */
-- sigval = compute_signal(excep_code);
-- send_signal_msg(sigval);
--
-- /* TRAP_VEC exception indicates a software trap inserted in place of
-- code by GDB so back up PC by one instruction, as this instruction
-- will later be replaced by its original one. Do NOT do this for
-- trap 0xff, since that indicates a compiled-in breakpoint which
-- will not be replaced (and we would retake the trap forever) */
-- if ((excep_code == TRAP_VEC) && (trapa_value != (0xff << 2))) {
-- trap_registers.pc -= 2;
-- }
--
-- /* Undo any stepping we may have done */
-- undo_single_step();
--
-- while (1) {
--
-- out_buffer[0] = 0;
-- get_packet(in_buffer, BUFMAX);
--
-- /* Examine first char of buffer to see what we need to do */
-- switch (in_buffer[0]) {
--
-- case '?': /* Send which signal we've received */
-- send_signal_msg(sigval);
-- break;
--
-- case 'g': /* Return the values of the CPU registers */
-- send_regs_msg();
-- break;
--
-- case 'G': /* Set the value of the CPU registers */
-- set_regs_msg();
-- break;
--
-- case 'm': /* Read LLLL bytes address AA..AA */
-- read_mem_msg();
-- break;
--
-- case 'M': /* Write LLLL bytes address AA..AA, ret OK */
-- write_mem_msg(0); /* 0 = data in hex */
-- break;
--
-- case 'X': /* Write LLLL bytes esc bin address AA..AA */
-- if (kgdb_bits == '8')
-- write_mem_msg(1); /* 1 = data in binary */
-- else
-- send_empty_msg();
-- break;
--
-- case 'C': /* Continue, signum included, we ignore it */
-- continue_with_sig_msg();
-- return;
--
-- case 'c': /* Continue at address AA..AA (optional) */
-- continue_msg();
-- return;
--
-- case 'S': /* Step, signum included, we ignore it */
-- step_with_sig_msg();
-- return;
--
-- case 's': /* Step one instruction from AA..AA */
-- step_msg();
-- return;
--
--#ifdef CONFIG_KGDB_THREAD
--
-- case 'H': /* Task related */
-- set_thread_msg();
-- break;
--
-- case 'T': /* Query thread status */
-- thread_status_msg();
-- break;
--
-- case 'q': /* Handle query - currently thread-related */
-- query_msg();
-- break;
--#endif
--
-- case 'k': /* 'Kill the program' with a kernel ? */
-- break;
--
-- case 'D': /* Detach from program, send reply OK */
-- kgdb_in_gdb_mode = 0;
-- send_ok_msg();
-- get_debug_char();
-- return;
--
-- default:
-- send_empty_msg();
-- break;
-- }
-- }
--}
--
--/* There has been an exception, most likely a breakpoint. */
--void kgdb_handle_exception(struct pt_regs *regs)
--{
-- int excep_code, vbr_val;
-- int count;
-- int trapa_value = ctrl_inl(TRA);
--
-- /* Copy kernel regs (from stack) */
-- for (count = 0; count < 16; count++)
-- trap_registers.regs[count] = regs->regs[count];
-- trap_registers.pc = regs->pc;
-- trap_registers.pr = regs->pr;
-- trap_registers.sr = regs->sr;
-- trap_registers.gbr = regs->gbr;
-- trap_registers.mach = regs->mach;
-- trap_registers.macl = regs->macl;
--
-- asm("stc vbr, %0":"=r"(vbr_val));
-- trap_registers.vbr = vbr_val;
--
-- /* Get excode for command loop call, user access */
-- asm("stc r2_bank, %0":"=r"(excep_code));
-- kgdb_excode = excep_code;
--
-- /* Other interesting environment items for reference */
-- asm("stc r6_bank, %0":"=r"(kgdb_g_imask));
-- kgdb_current = current;
-- kgdb_trapa_val = trapa_value;
--
-- /* Act on the exception */
-- kgdb_command_loop(excep_code >> 5, trapa_value);
--
-- kgdb_current = NULL;
--
-- /* Copy back the (maybe modified) registers */
-- for (count = 0; count < 16; count++)
-- regs->regs[count] = trap_registers.regs[count];
-- regs->pc = trap_registers.pc;
-- regs->pr = trap_registers.pr;
-- regs->sr = trap_registers.sr;
-- regs->gbr = trap_registers.gbr;
-- regs->mach = trap_registers.mach;
-- regs->macl = trap_registers.macl;
--
-- vbr_val = trap_registers.vbr;
-- asm("ldc %0, vbr": :"r"(vbr_val));
--
-- return;
--}
--
--/* Trigger a breakpoint by function */
--void breakpoint(void)
--{
-- if (!kgdb_enabled) {
-- kgdb_enabled = 1;
-- kgdb_init();
-- }
-- BREAKPOINT();
--}
--
--/* Initialise the KGDB data structures and serial configuration */
--int kgdb_init(void)
--{
-- if (!kgdb_enabled)
-- return 1;
--
-- in_nmi = 0;
-- kgdb_nofault = 0;
-- stepped_opcode = 0;
-- kgdb_in_gdb_mode = 0;
--
-- if (kgdb_serial_setup() != 0) {
-- KGDB_PRINTK("serial setup error\n");
-- return -1;
-- }
--
-- /* Init ptr to exception handler */
-- kgdb_debug_hook = kgdb_handle_exception;
-- kgdb_bus_err_hook = kgdb_handle_bus_error;
--
-- /* Enter kgdb now if requested, or just report init done */
-- if (kgdb_halt) {
-- kgdb_in_gdb_mode = 1;
-- put_debug_char('+');
-- breakpoint();
-- }
-- else
-- {
-- KGDB_PRINTK("stub is initialized.\n");
-- }
--
-- return 0;
--}
--
--/* Make function available for "user messages"; console will use it too. */
--
--char gdbmsgbuf[BUFMAX];
--#define MAXOUT ((BUFMAX-2)/2)
--
--static void kgdb_msg_write(const char *s, unsigned count)
--{
-- int i;
-- int wcount;
-- char *bufptr;
--
-- /* 'O'utput */
-- gdbmsgbuf[0] = 'O';
--
-- /* Fill and send buffers... */
-- while (count > 0) {
-- bufptr = gdbmsgbuf + 1;
--
-- /* Calculate how many this time */
-- wcount = (count > MAXOUT) ? MAXOUT : count;
--
-- /* Pack in hex chars */
-- for (i = 0; i < wcount; i++)
-- bufptr = pack_hex_byte(bufptr, s[i]);
-- *bufptr = '\0';
--
-- /* Move up */
-- s += wcount;
-- count -= wcount;
--
-- /* Write packet */
-- put_packet(gdbmsgbuf);
-- }
--}
--
--static void kgdb_to_gdb(const char *s)
--{
-- kgdb_msg_write(s, strlen(s));
--}
--
--#ifdef CONFIG_SH_KGDB_CONSOLE
--void kgdb_console_write(struct console *co, const char *s, unsigned count)
--{
-- /* Bail if we're not talking to GDB */
-- if (!kgdb_in_gdb_mode)
-- return;
--
-- kgdb_msg_write(s, count);
--}
--#endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/setup.c linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/setup.c
---- linux-2.6.18-53.1.14/arch/sh/kernel/setup.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/setup.c 2008-06-10 15:38:50.000000000 +0400
-@@ -28,10 +28,6 @@
- #include <asm/setup.h>
- #include <asm/clock.h>
-
--#ifdef CONFIG_SH_KGDB
--#include <asm/kgdb.h>
--static int kgdb_parse_options(char *options);
--#endif
- extern void * __rd_start, * __rd_end;
- /*
- * Machine setup..
-@@ -528,93 +524,3 @@ struct seq_operations cpuinfo_op = {
- .show = show_cpuinfo,
- };
- #endif /* CONFIG_PROC_FS */
--
--#ifdef CONFIG_SH_KGDB
--/*
-- * Parse command-line kgdb options. By default KGDB is enabled,
-- * entered on error (or other action) using default serial info.
-- * The command-line option can include a serial port specification
-- * and an action to override default or configured behavior.
-- */
--struct kgdb_sermap kgdb_sci_sermap =
--{ "ttySC", 5, kgdb_sci_setup, NULL };
--
--struct kgdb_sermap *kgdb_serlist = &kgdb_sci_sermap;
--struct kgdb_sermap *kgdb_porttype = &kgdb_sci_sermap;
--
--void kgdb_register_sermap(struct kgdb_sermap *map)
--{
-- struct kgdb_sermap *last;
--
-- for (last = kgdb_serlist; last->next; last = last->next)
-- ;
-- last->next = map;
-- if (!map->namelen) {
-- map->namelen = strlen(map->name);
-- }
--}
--
--static int __init kgdb_parse_options(char *options)
--{
-- char c;
-- int baud;
--
-- /* Check for port spec (or use default) */
--
-- /* Determine port type and instance */
-- if (!memcmp(options, "tty", 3)) {
-- struct kgdb_sermap *map = kgdb_serlist;
--
-- while (map && memcmp(options, map->name, map->namelen))
-- map = map->next;
--
-- if (!map) {
-- KGDB_PRINTK("unknown port spec in %s\n", options);
-- return -1;
-- }
--
-- kgdb_porttype = map;
-- kgdb_serial_setup = map->setup_fn;
-- kgdb_portnum = options[map->namelen] - '0';
-- options += map->namelen + 1;
--
-- options = (*options == ',') ? options+1 : options;
--
-- /* Read optional parameters (baud/parity/bits) */
-- baud = simple_strtoul(options, &options, 10);
-- if (baud != 0) {
-- kgdb_baud = baud;
--
-- c = toupper(*options);
-- if (c == 'E' || c == 'O' || c == 'N') {
-- kgdb_parity = c;
-- options++;
-- }
--
-- c = *options;
-- if (c == '7' || c == '8') {
-- kgdb_bits = c;
-- options++;
-- }
-- options = (*options == ',') ? options+1 : options;
-- }
-- }
--
-- /* Check for action specification */
-- if (!memcmp(options, "halt", 4)) {
-- kgdb_halt = 1;
-- options += 4;
-- } else if (!memcmp(options, "disabled", 8)) {
-- kgdb_enabled = 0;
-- options += 8;
-- }
--
-- if (*options) {
-- KGDB_PRINTK("ignored unknown options: %s\n", options);
-- return 0;
-- }
-- return 1;
--}
--__setup("kgdb=", kgdb_parse_options);
--#endif /* CONFIG_SH_KGDB */
--
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/time.c linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/time.c
---- linux-2.6.18-53.1.14/arch/sh/kernel/time.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/time.c 2008-06-10 15:38:50.000000000 +0400
-@@ -184,12 +184,4 @@ void __init time_init(void)
- */
- sys_timer = get_sys_timer();
- printk(KERN_INFO "Using %s for system timer\n", sys_timer->name);
--
--#if defined(CONFIG_SH_KGDB)
-- /*
-- * Set up kgdb as requested. We do it here because the serial
-- * init uses the timer vars we just set up for figuring baud.
-- */
-- kgdb_init();
--#endif
- }
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/kernel/traps.c linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/traps.c
---- linux-2.6.18-53.1.14/arch/sh/kernel/traps.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/kernel/traps.c 2008-06-10 15:38:50.000000000 +0400
-@@ -26,6 +26,7 @@
- #include <linux/spinlock.h>
- #include <linux/module.h>
- #include <linux/kallsyms.h>
-+#include <linux/kgdb.h>
-
- #include <asm/system.h>
- #include <asm/uaccess.h>
-@@ -34,17 +35,8 @@
- #include <asm/processor.h>
- #include <asm/sections.h>
-
--#ifdef CONFIG_SH_KGDB
--#include <asm/kgdb.h>
--#define CHK_REMOTE_DEBUG(regs) \
--{ \
-- if ((kgdb_debug_hook != (kgdb_debug_hook_t *) NULL) && (!user_mode(regs))) \
-- { \
-- (*kgdb_debug_hook)(regs); \
-- } \
--}
--#else
--#define CHK_REMOTE_DEBUG(regs)
-+#ifndef CONFIG_KGDB
-+#define kgdb_handle_exception(t, s, e, r)
- #endif
-
- #define DO_ERROR(trapnr, signr, str, name, tsk) \
-@@ -65,7 +57,7 @@ asmlinkage void do_##name(unsigned long
- local_irq_enable(); \
- tsk->thread.error_code = error_code; \
- tsk->thread.trap_no = trapnr; \
-- CHK_REMOTE_DEBUG(®s); \
-+ kgdb_handle_exception(trapnr, signr, error_code, ®s); \
- force_sig(signr, tsk); \
- die_if_no_fixup(str,®s,error_code); \
- }
-@@ -92,10 +84,12 @@ void die(const char * str, struct pt_reg
- {
- static int die_counter;
-
-+#ifdef CONFIG_KGDB
-+ kgdb_handle_exception(1, SIGTRAP, err, regs);
-+#endif
- console_verbose();
- spin_lock_irq(&die_lock);
- printk("%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
-- CHK_REMOTE_DEBUG(regs);
- show_regs(regs);
- spin_unlock_irq(&die_lock);
- do_exit(SIGSEGV);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/mm/extable.c linux-2.6.18-53.1.14.kgdb/arch/sh/mm/extable.c
---- linux-2.6.18-53.1.14/arch/sh/mm/extable.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/mm/extable.c 2008-06-10 15:38:50.000000000 +0400
-@@ -5,6 +5,7 @@
- */
-
- #include <linux/module.h>
-+#include <linux/kgdb.h>
- #include <asm/uaccess.h>
-
- int fixup_exception(struct pt_regs *regs)
-@@ -16,6 +17,12 @@ int fixup_exception(struct pt_regs *regs
- regs->pc = fixup->fixup;
- return 1;
- }
-+#ifdef CONFIG_KGDB
-+ if (atomic_read(&debugger_active) && kgdb_may_fault)
-+ /* Restore our previous state. */
-+ kgdb_fault_longjmp(kgdb_fault_jmp_regs);
-+ /* Never reached. */
-+#endif
-
- return 0;
- }
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/mm/fault-nommu.c linux-2.6.18-53.1.14.kgdb/arch/sh/mm/fault-nommu.c
---- linux-2.6.18-53.1.14/arch/sh/mm/fault-nommu.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/mm/fault-nommu.c 2008-06-10 15:38:50.000000000 +0400
-@@ -29,10 +29,6 @@
- #include <asm/mmu_context.h>
- #include <asm/cacheflush.h>
-
--#if defined(CONFIG_SH_KGDB)
--#include <asm/kgdb.h>
--#endif
--
- extern void die(const char *,struct pt_regs *,long);
-
- /*
-@@ -43,11 +39,6 @@ extern void die(const char *,struct pt_r
- asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
- unsigned long address)
- {
--#if defined(CONFIG_SH_KGDB)
-- if (kgdb_nofault && kgdb_bus_err_hook)
-- kgdb_bus_err_hook();
--#endif
--
- /*
- * Oops. The kernel tried to access some bad page. We'll have to
- * terminate things with extreme prejudice.
-@@ -69,11 +60,6 @@ asmlinkage void do_page_fault(struct pt_
- asmlinkage int __do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
- unsigned long address)
- {
--#if defined(CONFIG_SH_KGDB)
-- if (kgdb_nofault && kgdb_bus_err_hook)
-- kgdb_bus_err_hook();
--#endif
--
- if (address >= TASK_SIZE)
- return 1;
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/sh/mm/fault.c linux-2.6.18-53.1.14.kgdb/arch/sh/mm/fault.c
---- linux-2.6.18-53.1.14/arch/sh/mm/fault.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/sh/mm/fault.c 2008-06-10 15:38:50.000000000 +0400
-@@ -28,7 +28,6 @@
- #include <asm/pgalloc.h>
- #include <asm/mmu_context.h>
- #include <asm/cacheflush.h>
--#include <asm/kgdb.h>
-
- extern void die(const char *,struct pt_regs *,long);
-
-@@ -45,11 +44,6 @@ asmlinkage void do_page_fault(struct pt_
- struct vm_area_struct * vma;
- unsigned long page;
-
--#ifdef CONFIG_SH_KGDB
-- if (kgdb_nofault && kgdb_bus_err_hook)
-- kgdb_bus_err_hook();
--#endif
--
- tsk = current;
- mm = tsk->mm;
-
-@@ -153,6 +147,7 @@ no_context:
- }
- die("Oops", regs, writeaccess);
- do_exit(SIGKILL);
-+ dump_stack();
-
- /*
- * We ran out of memory, or some other thing happened to us that made
-@@ -202,11 +197,6 @@ asmlinkage int __do_page_fault(struct pt
- spinlock_t *ptl;
- int ret = 1;
-
--#ifdef CONFIG_SH_KGDB
-- if (kgdb_nofault && kgdb_bus_err_hook)
-- kgdb_bus_err_hook();
--#endif
--
- #ifdef CONFIG_SH_STORE_QUEUES
- addrmax = P4SEG_STORE_QUE + 0x04000000;
- #endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/x86_64/Kconfig.debug linux-2.6.18-53.1.14.kgdb/arch/x86_64/Kconfig.debug
---- linux-2.6.18-53.1.14/arch/x86_64/Kconfig.debug 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/arch/x86_64/Kconfig.debug 2008-06-10 15:38:44.000000000 +0400
-@@ -55,7 +55,4 @@ config DEBUG_STACK_USAGE
-
- This option will slow down process creation somewhat.
-
--#config X86_REMOTE_DEBUG
--# bool "kgdb debugging stub"
--
- endmenu
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/x86_64/kernel/Makefile linux-2.6.18-53.1.14.kgdb/arch/x86_64/kernel/Makefile
---- linux-2.6.18-53.1.14/arch/x86_64/kernel/Makefile 2008-03-06 05:54:48.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/x86_64/kernel/Makefile 2008-06-10 15:38:44.000000000 +0400
-@@ -35,6 +35,7 @@ obj-$(CONFIG_IOMMU) += pci-gart.o apert
- obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary.o tce.o
- obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o
- obj-$(CONFIG_KPROBES) += kprobes.o
-+obj-$(CONFIG_KGDB) += kgdb.o kgdb-jmp.o
- obj-$(CONFIG_X86_PM_TIMER) += pmtimer.o
- obj-$(CONFIG_X86_VSMP) += vsmp.o
- obj-$(CONFIG_K8_NB) += k8.o
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/x86_64/kernel/entry.S linux-2.6.18-53.1.14.kgdb/arch/x86_64/kernel/entry.S
---- linux-2.6.18-53.1.14/arch/x86_64/kernel/entry.S 2008-03-06 05:54:50.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/x86_64/kernel/entry.S 2008-06-10 15:39:01.000000000 +0400
-@@ -42,6 +42,7 @@
- #include <asm/hw_irq.h>
- #include <asm/page.h>
- #include <asm/irqflags.h>
-+#include <asm/kgdb.h>
-
- .code64
-
-@@ -887,6 +888,7 @@ error_exit:
- RESTORE_ARGS 0,8,0
- jmp iret_label
- CFI_ENDPROC
-+ CFI_END_FRAME(kernel_thread)
-
- error_kernelspace:
- incl %ebx
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/x86_64/kernel/kgdb-jmp.S linux-2.6.18-53.1.14.kgdb/arch/x86_64/kernel/kgdb-jmp.S
---- linux-2.6.18-53.1.14/arch/x86_64/kernel/kgdb-jmp.S 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/x86_64/kernel/kgdb-jmp.S 2008-06-10 15:38:44.000000000 +0400
-@@ -0,0 +1,65 @@
-+/*
-+ * arch/x86_64/kernel/kgdb-jmp.S
-+ *
-+ * Save and restore system registers so that within a limited frame we
-+ * may have a fault and "jump back" to a known safe location.
-+ *
-+ * Author: Tom Rini <trini@kernel.crashing.org>
-+ *
-+ * Cribbed from glibc, which carries the following:
-+ * Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
-+ * Copyright (C) 2005 by MontaVista Software.
-+ *
-+ * This file is licensed under the terms of the GNU General Public License
-+ * version 2. This program as licensed "as is" without any warranty of
-+ * any kind, whether express or implied.
-+ */
-+
-+#include <linux/linkage.h>
-+
-+#define JB_RBX 0
-+#define JB_RBP 1
-+#define JB_R12 2
-+#define JB_R13 3
-+#define JB_R14 4
-+#define JB_R15 5
-+#define JB_RSP 6
-+#define JB_PC 7
-+
-+ .code64
-+
-+/* This must be called prior to kgdb_fault_longjmp and
-+ * kgdb_fault_longjmp must not be called outside of the context of the
-+ * last call to kgdb_fault_setjmp.
-+ */
-+ENTRY(kgdb_fault_setjmp)
-+ /* Save registers. */
-+ movq %rbx, (JB_RBX*8)(%rdi)
-+ movq %rbp, (JB_RBP*8)(%rdi)
-+ movq %r12, (JB_R12*8)(%rdi)
-+ movq %r13, (JB_R13*8)(%rdi)
-+ movq %r14, (JB_R14*8)(%rdi)
-+ movq %r15, (JB_R15*8)(%rdi)
-+ leaq 8(%rsp), %rdx /* Save SP as it will be after we return. */
-+ movq %rdx, (JB_RSP*8)(%rdi)
-+ movq (%rsp), %rax /* Save PC we are returning to now. */
-+ movq %rax, (JB_PC*8)(%rdi)
-+ /* Set return value for setjmp. */
-+ mov $0,%eax
-+ movq (JB_PC*8)(%rdi),%rdx
-+ movq (JB_RSP*8)(%rdi),%rsp
-+ jmpq *%rdx
-+
-+ENTRY(kgdb_fault_longjmp)
-+ /* Restore registers. */
-+ movq (JB_RBX*8)(%rdi),%rbx
-+ movq (JB_RBP*8)(%rdi),%rbp
-+ movq (JB_R12*8)(%rdi),%r12
-+ movq (JB_R13*8)(%rdi),%r13
-+ movq (JB_R14*8)(%rdi),%r14
-+ movq (JB_R15*8)(%rdi),%r15
-+ /* Set return value for setjmp. */
-+ movq (JB_PC*8)(%rdi),%rdx
-+ movq (JB_RSP*8)(%rdi),%rsp
-+ mov $1,%eax
-+ jmpq *%rdx
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/x86_64/kernel/kgdb.c linux-2.6.18-53.1.14.kgdb/arch/x86_64/kernel/kgdb.c
---- linux-2.6.18-53.1.14/arch/x86_64/kernel/kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/x86_64/kernel/kgdb.c 2008-06-10 15:38:44.000000000 +0400
-@@ -0,0 +1,474 @@
-+/*
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2, or (at your option) any
-+ * later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ */
-+
-+/*
-+ * Copyright (C) 2004 Amit S. Kale <amitkale@linsyssoft.com>
-+ * Copyright (C) 2000-2001 VERITAS Software Corporation.
-+ * Copyright (C) 2002 Andi Kleen, SuSE Labs
-+ * Copyright (C) 2004 LinSysSoft Technologies Pvt. Ltd.
-+ */
-+/****************************************************************************
-+ * Contributor: Lake Stevens Instrument Division$
-+ * Written by: Glenn Engel $
-+ * Updated by: Amit Kale<akale@veritas.com>
-+ * Modified for 386 by Jim Kingdon, Cygnus Support.
-+ * Origianl kgdb, compatibility with 2.1.xx kernel by
-+ * David Grothe <dave@gcom.com>
-+ * Integrated into 2.2.5 kernel by Tigran Aivazian <tigran@sco.com>
-+ * X86_64 changes from Andi Kleen's patch merged by Jim Houston
-+ */
-+
-+#include <linux/string.h>
-+#include <linux/kernel.h>
-+#include <linux/sched.h>
-+#include <linux/smp.h>
-+#include <linux/spinlock.h>
-+#include <linux/delay.h>
-+#include <asm/system.h>
-+#include <asm/ptrace.h> /* for linux pt_regs struct */
-+#include <linux/kgdb.h>
-+#include <linux/init.h>
-+#include <asm/apicdef.h>
-+#include <asm/mach_apic.h>
-+#include <asm/kdebug.h>
-+#include <asm/debugreg.h>
-+
-+/* Put the error code here just in case the user cares. */
-+int gdb_x86_64errcode;
-+/* Likewise, the vector number here (since GDB only gets the signal
-+ number through the usual means, and that's not very specific). */
-+int gdb_x86_64vector = -1;
-+
-+extern atomic_t cpu_doing_single_step;
-+
-+void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+ gdb_regs[_RAX] = regs->rax;
-+ gdb_regs[_RBX] = regs->rbx;
-+ gdb_regs[_RCX] = regs->rcx;
-+ gdb_regs[_RDX] = regs->rdx;
-+ gdb_regs[_RSI] = regs->rsi;
-+ gdb_regs[_RDI] = regs->rdi;
-+ gdb_regs[_RBP] = regs->rbp;
-+ gdb_regs[_PS] = regs->eflags;
-+ gdb_regs[_PC] = regs->rip;
-+ gdb_regs[_R8] = regs->r8;
-+ gdb_regs[_R9] = regs->r9;
-+ gdb_regs[_R10] = regs->r10;
-+ gdb_regs[_R11] = regs->r11;
-+ gdb_regs[_R12] = regs->r12;
-+ gdb_regs[_R13] = regs->r13;
-+ gdb_regs[_R14] = regs->r14;
-+ gdb_regs[_R15] = regs->r15;
-+ gdb_regs[_RSP] = regs->rsp;
-+}
-+
-+extern void thread_return(void);
-+void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
-+{
-+ gdb_regs[_RAX] = 0;
-+ gdb_regs[_RBX] = 0;
-+ gdb_regs[_RCX] = 0;
-+ gdb_regs[_RDX] = 0;
-+ gdb_regs[_RSI] = 0;
-+ gdb_regs[_RDI] = 0;
-+ gdb_regs[_RBP] = *(unsigned long *)p->thread.rsp;
-+ gdb_regs[_PS] = *(unsigned long *)(p->thread.rsp + 8);
-+ gdb_regs[_PC] = (unsigned long)&thread_return;
-+ gdb_regs[_R8] = 0;
-+ gdb_regs[_R9] = 0;
-+ gdb_regs[_R10] = 0;
-+ gdb_regs[_R11] = 0;
-+ gdb_regs[_R12] = 0;
-+ gdb_regs[_R13] = 0;
-+ gdb_regs[_R14] = 0;
-+ gdb_regs[_R15] = 0;
-+ gdb_regs[_RSP] = p->thread.rsp;
-+}
-+
-+void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-+{
-+ regs->rax = gdb_regs[_RAX];
-+ regs->rbx = gdb_regs[_RBX];
-+ regs->rcx = gdb_regs[_RCX];
-+ regs->rdx = gdb_regs[_RDX];
-+ regs->rsi = gdb_regs[_RSI];
-+ regs->rdi = gdb_regs[_RDI];
-+ regs->rbp = gdb_regs[_RBP];
-+ regs->eflags = gdb_regs[_PS];
-+ regs->rip = gdb_regs[_PC];
-+ regs->r8 = gdb_regs[_R8];
-+ regs->r9 = gdb_regs[_R9];
-+ regs->r10 = gdb_regs[_R10];
-+ regs->r11 = gdb_regs[_R11];
-+ regs->r12 = gdb_regs[_R12];
-+ regs->r13 = gdb_regs[_R13];
-+ regs->r14 = gdb_regs[_R14];
-+ regs->r15 = gdb_regs[_R15];
-+#if 0 /* can't change these */
-+ regs->rsp = gdb_regs[_RSP];
-+ regs->ss = gdb_regs[_SS];
-+ regs->fs = gdb_regs[_FS];
-+ regs->gs = gdb_regs[_GS];
-+#endif
-+
-+} /* gdb_regs_to_regs */
-+
-+struct hw_breakpoint {
-+ unsigned enabled;
-+ unsigned type;
-+ unsigned len;
-+ unsigned long addr;
-+} breakinfo[4] = { {
-+enabled:0}, {
-+enabled:0}, {
-+enabled:0}, {
-+enabled:0}};
-+
-+void kgdb_correct_hw_break(void)
-+{
-+ int breakno;
-+ int correctit;
-+ int breakbit;
-+ unsigned long dr7;
-+
-+ asm volatile ("movq %%db7, %0\n":"=r" (dr7):);
-+ do {
-+ unsigned long addr0, addr1, addr2, addr3;
-+ asm volatile ("movq %%db0, %0\n"
-+ "movq %%db1, %1\n"
-+ "movq %%db2, %2\n"
-+ "movq %%db3, %3\n":"=r" (addr0), "=r"(addr1),
-+ "=r"(addr2), "=r"(addr3):);
-+ } while (0);
-+ correctit = 0;
-+ for (breakno = 0; breakno < 3; breakno++) {
-+ breakbit = 2 << (breakno << 1);
-+ if (!(dr7 & breakbit) && breakinfo[breakno].enabled) {
-+ correctit = 1;
-+ dr7 |= breakbit;
-+ dr7 &= ~(0xf0000 << (breakno << 2));
-+ dr7 |= (((breakinfo[breakno].len << 2) |
-+ breakinfo[breakno].type) << 16) <<
-+ (breakno << 2);
-+ switch (breakno) {
-+ case 0:
-+ asm volatile ("movq %0, %%dr0\n"::"r"
-+ (breakinfo[breakno].addr));
-+ break;
-+
-+ case 1:
-+ asm volatile ("movq %0, %%dr1\n"::"r"
-+ (breakinfo[breakno].addr));
-+ break;
-+
-+ case 2:
-+ asm volatile ("movq %0, %%dr2\n"::"r"
-+ (breakinfo[breakno].addr));
-+ break;
-+
-+ case 3:
-+ asm volatile ("movq %0, %%dr3\n"::"r"
-+ (breakinfo[breakno].addr));
-+ break;
-+ }
-+ } else if ((dr7 & breakbit) && !breakinfo[breakno].enabled) {
-+ correctit = 1;
-+ dr7 &= ~breakbit;
-+ dr7 &= ~(0xf0000 << (breakno << 2));
-+ }
-+ }
-+ if (correctit) {
-+ asm volatile ("movq %0, %%db7\n"::"r" (dr7));
-+ }
-+}
-+
-+int kgdb_remove_hw_break(unsigned long addr)
-+{
-+ int i, idx = -1;
-+ for (i = 0; i < 4; i++) {
-+ if (breakinfo[i].addr == addr && breakinfo[i].enabled) {
-+ idx = i;
-+ break;
-+ }
-+ }
-+ if (idx == -1)
-+ return -1;
-+
-+ breakinfo[idx].enabled = 0;
-+ return 0;
-+}
-+
-+int kgdb_set_hw_break(unsigned long addr)
-+{
-+ int i, idx = -1;
-+ for (i = 0; i < 4; i++) {
-+ if (!breakinfo[i].enabled) {
-+ idx = i;
-+ break;
-+ }
-+ }
-+ if (idx == -1)
-+ return -1;
-+
-+ breakinfo[idx].enabled = 1;
-+ breakinfo[idx].type = 1;
-+ breakinfo[idx].len = 1;
-+ breakinfo[idx].addr = addr;
-+ return 0;
-+}
-+
-+int remove_hw_break(unsigned breakno)
-+{
-+ if (!breakinfo[breakno].enabled) {
-+ return -1;
-+ }
-+ breakinfo[breakno].enabled = 0;
-+ return 0;
-+}
-+
-+int set_hw_break(unsigned breakno, unsigned type, unsigned len, unsigned addr)
-+{
-+ if (breakinfo[breakno].enabled) {
-+ return -1;
-+ }
-+ breakinfo[breakno].enabled = 1;
-+ breakinfo[breakno].type = type;
-+ breakinfo[breakno].len = len;
-+ breakinfo[breakno].addr = addr;
-+ return 0;
-+}
-+
-+void kgdb_disable_hw_debug(struct pt_regs *regs)
-+{
-+ /* Disable hardware debugging while we are in kgdb */
-+ asm volatile ("movq %0,%%db7": /* no output */ :"r" (0UL));
-+}
-+
-+void kgdb_post_master_code(struct pt_regs *regs, int e_vector, int err_code)
-+{
-+ /* Master processor is completely in the debugger */
-+ gdb_x86_64vector = e_vector;
-+ gdb_x86_64errcode = err_code;
-+}
-+
-+void kgdb_roundup_cpus(unsigned long flags)
-+{
-+ send_IPI_allbutself(APIC_DM_NMI);
-+}
-+
-+int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
-+ char *remcomInBuffer, char *remcomOutBuffer,
-+ struct pt_regs *linux_regs)
-+{
-+ unsigned long addr, length;
-+ unsigned long breakno, breaktype;
-+ char *ptr;
-+ int newPC;
-+ unsigned long dr6;
-+
-+ switch (remcomInBuffer[0]) {
-+ case 'c':
-+ case 's':
-+ /* try to read optional parameter, pc unchanged if no parm */
-+ ptr = &remcomInBuffer[1];
-+ if (kgdb_hex2long(&ptr, &addr))
-+ linux_regs->rip = addr;
-+ newPC = linux_regs->rip;
-+
-+ /* clear the trace bit */
-+ linux_regs->eflags &= ~TF_MASK;
-+
-+ atomic_set(&cpu_doing_single_step, -1);
-+ /* set the trace bit if we're stepping */
-+ if (remcomInBuffer[0] == 's') {
-+ linux_regs->eflags |= TF_MASK;
-+ debugger_step = 1;
-+ if (kgdb_contthread)
-+ atomic_set(&cpu_doing_single_step,
-+ smp_processor_id());
-+
-+ }
-+
-+ asm volatile ("movq %%db6, %0\n":"=r" (dr6));
-+ if (!(dr6 & 0x4000)) {
-+ for (breakno = 0; breakno < 4; ++breakno) {
-+ if (dr6 & (1 << breakno)) {
-+ if (breakinfo[breakno].type == 0) {
-+ /* Set restore flag */
-+ linux_regs->eflags |=
-+ X86_EFLAGS_RF;
-+ break;
-+ }
-+ }
-+ }
-+ }
-+ kgdb_correct_hw_break();
-+ asm volatile ("movq %0, %%db6\n"::"r" (0UL));
-+
-+ return (0);
-+
-+ case 'Y':
-+ ptr = &remcomInBuffer[1];
-+ kgdb_hex2long(&ptr, &breakno);
-+ ptr++;
-+ kgdb_hex2long(&ptr, &breaktype);
-+ ptr++;
-+ kgdb_hex2long(&ptr, &length);
-+ ptr++;
-+ kgdb_hex2long(&ptr, &addr);
-+ if (set_hw_break(breakno & 0x3, breaktype & 0x3,
-+ length & 0x3, addr) == 0)
-+ strcpy(remcomOutBuffer, "OK");
-+ else
-+ strcpy(remcomOutBuffer, "ERROR");
-+ break;
-+
-+ /* Remove hardware breakpoint */
-+ case 'y':
-+ ptr = &remcomInBuffer[1];
-+ kgdb_hex2long(&ptr, &breakno);
-+ if (remove_hw_break(breakno & 0x3) == 0)
-+ strcpy(remcomOutBuffer, "OK");
-+ else
-+ strcpy(remcomOutBuffer, "ERROR");
-+ break;
-+
-+ } /* switch */
-+ return -1;
-+}
-+
-+static struct pt_regs *in_interrupt_stack(unsigned long rsp, int cpu)
-+{
-+ struct pt_regs *regs;
-+ unsigned long end = (unsigned long)cpu_pda(cpu)->irqstackptr;
-+ if (rsp <= end && rsp >= end - IRQSTACKSIZE + 8) {
-+ regs = *(((struct pt_regs **)end) - 1);
-+ return regs;
-+ }
-+ return NULL;
-+}
-+
-+static struct pt_regs *in_exception_stack(unsigned long rsp, int cpu)
-+{
-+ int i;
-+ struct tss_struct *init_tss = &__get_cpu_var(init_tss);
-+ for (i = 0; i < N_EXCEPTION_STACKS; i++)
-+ if (rsp >= init_tss[cpu].ist[i] &&
-+ rsp <= init_tss[cpu].ist[i] + EXCEPTION_STKSZ) {
-+ struct pt_regs *r =
-+ (void *)init_tss[cpu].ist[i] + EXCEPTION_STKSZ;
-+ return r - 1;
-+ }
-+ return NULL;
-+}
-+
-+void kgdb_shadowinfo(struct pt_regs *regs, char *buffer, unsigned threadid)
-+{
-+ static char intr_desc[] = "Stack at interrupt entrypoint";
-+ static char exc_desc[] = "Stack at exception entrypoint";
-+ struct pt_regs *stregs;
-+ int cpu = hard_smp_processor_id();
-+
-+ if ((stregs = in_interrupt_stack(regs->rsp, cpu)))
-+ kgdb_mem2hex(intr_desc, buffer, strlen(intr_desc));
-+ else if ((stregs = in_exception_stack(regs->rsp, cpu)))
-+ kgdb_mem2hex(exc_desc, buffer, strlen(exc_desc));
-+}
-+
-+struct task_struct *kgdb_get_shadow_thread(struct pt_regs *regs, int threadid)
-+{
-+ struct pt_regs *stregs;
-+ int cpu = hard_smp_processor_id();
-+
-+ if ((stregs = in_interrupt_stack(regs->rsp, cpu)))
-+ return current;
-+ else if ((stregs = in_exception_stack(regs->rsp, cpu)))
-+ return current;
-+
-+ return NULL;
-+}
-+
-+struct pt_regs *kgdb_shadow_regs(struct pt_regs *regs, int threadid)
-+{
-+ struct pt_regs *stregs;
-+ int cpu = hard_smp_processor_id();
-+
-+ if ((stregs = in_interrupt_stack(regs->rsp, cpu)))
-+ return stregs;
-+ else if ((stregs = in_exception_stack(regs->rsp, cpu)))
-+ return stregs;
-+
-+ return NULL;
-+}
-+
-+/* Register KGDB with the die_chain so that we hook into all of the right
-+ * spots. */
-+static int kgdb_notify(struct notifier_block *self, unsigned long cmd,
-+ void *ptr)
-+{
-+ struct die_args *args = ptr;
-+ struct pt_regs *regs = args->regs;
-+
-+ if (cmd == DIE_PAGE_FAULT_NO_CONTEXT && atomic_read(&debugger_active)
-+ && kgdb_may_fault) {
-+ kgdb_fault_longjmp(kgdb_fault_jmp_regs);
-+ return NOTIFY_STOP;
-+ /* CPU roundup? */
-+ } else if (atomic_read(&debugger_active) && cmd == DIE_NMI_IPI) {
-+ kgdb_nmihook(smp_processor_id(), regs);
-+ return NOTIFY_STOP;
-+ /* See if KGDB is interested. */
-+ } else if (cmd == DIE_PAGE_FAULT || user_mode(regs) ||
-+ cmd == DIE_NMI_IPI || (cmd == DIE_DEBUG &&
-+ atomic_read(&debugger_active)))
-+ /* Userpace events, normal watchdog event, or spurious
-+ * debug exception. Ignore. */
-+ return NOTIFY_DONE;
-+
-+ kgdb_handle_exception(args->trapnr, args->signr, args->err, regs);
-+
-+ return NOTIFY_STOP;
-+}
-+
-+static struct notifier_block kgdb_notifier = {
-+ .notifier_call = kgdb_notify,
-+ .priority = 0x7fffffff, /* we need to notified first */
-+};
-+
-+int kgdb_arch_init(void)
-+{
-+ atomic_notifier_chain_register(&die_chain, &kgdb_notifier);
-+ return 0;
-+}
-+/*
-+ * Skip an int3 exception when it occurs after a breakpoint has been
-+ * removed. Backtrack eip by 1 since the int3 would have caused it to
-+ * increment by 1.
-+ */
-+
-+int kgdb_skipexception(int exception, struct pt_regs *regs)
-+{
-+ if (exception == 3 && kgdb_isremovedbreak(regs->rip - 1)) {
-+ regs->rip -= 1;
-+ return 1;
-+ }
-+ return 0;
-+}
-+
-+struct kgdb_arch arch_kgdb_ops = {
-+ .gdb_bpt_instr = {0xcc},
-+ .flags = KGDB_HW_BREAKPOINT,
-+ .shadowth = 1,
-+};
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/arch/x86_64/mm/fault.c linux-2.6.18-53.1.14.kgdb/arch/x86_64/mm/fault.c
---- linux-2.6.18-53.1.14/arch/x86_64/mm/fault.c 2008-03-06 05:54:27.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/arch/x86_64/mm/fault.c 2008-06-10 15:38:41.000000000 +0400
-@@ -557,6 +557,10 @@ no_context:
- if (is_errata93(regs, address))
- return;
-
-+ if (notify_die(DIE_PAGE_FAULT_NO_CONTEXT, "no context", regs,
-+ error_code, 14, SIGSEGV) == NOTIFY_STOP)
-+ return;
-+
- /*
- * Oops. The kernel tried to access some bad page. We'll have to
- * terminate things with extreme prejudice.
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/char/keyboard.c linux-2.6.18-53.1.14.kgdb/drivers/char/keyboard.c
---- linux-2.6.18-53.1.14/drivers/char/keyboard.c 2008-03-06 05:54:23.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/char/keyboard.c 2008-06-10 15:39:11.000000000 +0400
-@@ -1174,6 +1174,7 @@ static void kbd_keycode(unsigned int key
- sysrq_down = 0;
- if (sysrq_down && down && !rep) {
- handle_sysrq(kbd_sysrq_xlate[keycode], regs, tty);
-+ sysrq_down = 0; /* In case we miss the 'up' event. */
- return;
- }
- #endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/net/Makefile linux-2.6.18-53.1.14.kgdb/drivers/net/Makefile
---- linux-2.6.18-53.1.14/drivers/net/Makefile 2008-03-06 05:54:59.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/net/Makefile 2008-06-10 15:37:55.000000000 +0400
-@@ -221,6 +221,7 @@ obj-$(CONFIG_ETRAX_ETHERNET) += cris/
- obj-$(CONFIG_ENP2611_MSF_NET) += ixp2000/
-
- obj-$(CONFIG_NETCONSOLE) += netconsole.o
-+obj-$(CONFIG_KGDBOE) += kgdboe.o
-
- obj-$(CONFIG_FS_ENET) += fs_enet/
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/net/kgdboe.c linux-2.6.18-53.1.14.kgdb/drivers/net/kgdboe.c
---- linux-2.6.18-53.1.14/drivers/net/kgdboe.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/net/kgdboe.c 2008-06-10 15:37:55.000000000 +0400
-@@ -0,0 +1,294 @@
-+/*
-+ * drivers/net/kgdboe.c
-+ *
-+ * A network interface for GDB.
-+ * Based upon 'gdbserial' by David Grothe <dave@gcom.com>
-+ * and Scott Foehner <sfoehner@engr.sgi.com>
-+ *
-+ * Maintainers: Amit S. Kale <amitkale@linsyssoft.com> and
-+ * Tom Rini <trini@kernel.crashing.org>
-+ *
-+ * 2004 (c) Amit S. Kale <amitkale@linsyssoft.com>
-+ * 2004-2005 (c) MontaVista Software, Inc.
-+ * 2005 (c) Wind River Systems, Inc.
-+ *
-+ * Contributors at various stages not listed above:
-+ * San Mehat <nettwerk@biodome.org>, Robert Walsh <rjwalsh@durables.org>,
-+ * wangdi <wangdi@clusterfs.com>, Matt Mackall <mpm@selenic.com>,
-+ * Pavel Machek <pavel@suse.cz>, Jason Wessel <jason.wessel@windriver.com>
-+ *
-+ * This file is licensed under the terms of the GNU General Public License
-+ * version 2. This program is licensed "as is" without any warranty of any
-+ * kind, whether express or implied.
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/interrupt.h>
-+#include <linux/string.h>
-+#include <linux/kgdb.h>
-+#include <linux/netpoll.h>
-+#include <linux/init.h>
-+
-+#include <asm/atomic.h>
-+
-+#define IN_BUF_SIZE 512 /* power of 2, please */
-+#define NOT_CONFIGURED_STRING "not_configured"
-+#define OUT_BUF_SIZE 30 /* We don't want to send too big of a packet. */
-+#define MAX_KGDBOE_CONFIG_STR 256
-+
-+static char in_buf[IN_BUF_SIZE], out_buf[OUT_BUF_SIZE];
-+static int in_head, in_tail, out_count;
-+static atomic_t in_count;
-+/* 0 = unconfigured, 1 = netpoll options parsed, 2 = fully configured. */
-+static int configured;
-+static struct kgdb_io local_kgdb_io_ops;
-+static int use_dynamic_mac;
-+
-+MODULE_DESCRIPTION("KGDB driver for network interfaces");
-+MODULE_LICENSE("GPL");
-+static char config[MAX_KGDBOE_CONFIG_STR] = NOT_CONFIGURED_STRING;
-+static struct kparam_string kps = {
-+ .string = config,
-+ .maxlen = MAX_KGDBOE_CONFIG_STR,
-+};
-+
-+static void rx_hook(struct netpoll *np, int port, char *msg, int len,
-+ struct sk_buff *skb)
-+{
-+ int i;
-+
-+ np->remote_port = port;
-+
-+ /* Copy the MAC address if we need to. */
-+ if (use_dynamic_mac) {
-+ memcpy(np->remote_mac, eth_hdr(skb)->h_source,
-+ sizeof(np->remote_mac));
-+ use_dynamic_mac = 0;
-+ }
-+
-+ /*
-+ * This could be GDB trying to attach. But it could also be GDB
-+ * finishing up a session, with kgdb_connected=0 but GDB sending
-+ * an ACK for the final packet. To make sure we don't try and
-+ * make a breakpoint when GDB is leaving, make sure that if
-+ * !kgdb_connected the only len == 1 packet we allow is ^C.
-+ */
-+ if (!kgdb_connected && (len != 1 || msg[0] == 3) &&
-+ !atomic_read(&kgdb_setting_breakpoint)) {
-+ tasklet_schedule(&kgdb_tasklet_breakpoint);
-+ }
-+
-+ for (i = 0; i < len; i++) {
-+ if (msg[i] == 3)
-+ tasklet_schedule(&kgdb_tasklet_breakpoint);
-+
-+ if (atomic_read(&in_count) >= IN_BUF_SIZE) {
-+ /* buffer overflow, clear it */
-+ in_head = in_tail = 0;
-+ atomic_set(&in_count, 0);
-+ break;
-+ }
-+ in_buf[in_head++] = msg[i];
-+ in_head &= (IN_BUF_SIZE - 1);
-+ atomic_inc(&in_count);
-+ }
-+}
-+
-+static struct netpoll np = {
-+ .dev_name = "eth0",
-+ .name = "kgdboe",
-+ .rx_hook = rx_hook,
-+ .local_port = 6443,
-+ .remote_port = 6442,
-+ .remote_mac = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
-+};
-+
-+static void eth_pre_exception_handler(void)
-+{
-+ /* Increment the module count when the debugger is active */
-+ if (!kgdb_connected)
-+ try_module_get(THIS_MODULE);
-+ netpoll_set_trap(1);
-+}
-+
-+static void eth_post_exception_handler(void)
-+{
-+ /* decrement the module count when the debugger detaches */
-+ if (!kgdb_connected)
-+ module_put(THIS_MODULE);
-+ netpoll_set_trap(0);
-+}
-+
-+static int eth_get_char(void)
-+{
-+ int chr;
-+
-+ while (atomic_read(&in_count) == 0)
-+ netpoll_poll(&np);
-+
-+ chr = in_buf[in_tail++];
-+ in_tail &= (IN_BUF_SIZE - 1);
-+ atomic_dec(&in_count);
-+ return chr;
-+}
-+
-+static void eth_flush_buf(void)
-+{
-+ if (out_count && np.dev) {
-+ netpoll_send_udp(&np, out_buf, out_count);
-+ memset(out_buf, 0, sizeof(out_buf));
-+ out_count = 0;
-+ }
-+}
-+
-+static void eth_put_char(u8 chr)
-+{
-+ out_buf[out_count++] = chr;
-+ if (out_count == OUT_BUF_SIZE)
-+ eth_flush_buf();
-+}
-+
-+static int option_setup(char *opt)
-+{
-+ char opt_scratch[MAX_KGDBOE_CONFIG_STR];
-+
-+ /* If we're being given a new configuration, copy it in. */
-+ if (opt != config)
-+ strcpy(config, opt);
-+ /* But work on a copy as netpoll_parse_options will eat it. */
-+ strcpy(opt_scratch, opt);
-+ configured = !netpoll_parse_options(&np, opt_scratch);
-+
-+ use_dynamic_mac = 1;
-+
-+ return 0;
-+}
-+__setup("kgdboe=", option_setup);
-+
-+/* With our config string set by some means, configure kgdboe. */
-+static int configure_kgdboe(void)
-+{
-+ /* Try out the string. */
-+ option_setup(config);
-+
-+ if (!configured) {
-+ printk(KERN_ERR "kgdboe: configuration incorrect - kgdboe not "
-+ "loaded.\n");
-+ printk(KERN_ERR " Usage: kgdboe=[src-port]@[src-ip]/[dev],"
-+ "[tgt-port]@<tgt-ip>/<tgt-macaddr>\n");
-+ return -EINVAL;
-+ }
-+
-+ /* Bring it up. */
-+ if (netpoll_setup(&np)) {
-+ printk(KERN_ERR "kgdboe: netpoll_setup failed kgdboe failed\n");
-+ return -EINVAL;
-+ }
-+
-+ if (kgdb_register_io_module(&local_kgdb_io_ops)) {
-+ netpoll_cleanup(&np);
-+ return -EINVAL;
-+ }
-+
-+ configured = 2;
-+
-+ return 0;
-+}
-+
-+static int init_kgdboe(void)
-+{
-+ int ret;
-+
-+ /* Already done? */
-+ if (configured == 2)
-+ return 0;
-+
-+ /* OK, go ahead and do it. */
-+ ret = configure_kgdboe();
-+
-+ if (configured == 2)
-+ printk(KERN_INFO "kgdboe: debugging over ethernet enabled\n");
-+
-+ return ret;
-+}
-+
-+static void cleanup_kgdboe(void)
-+{
-+ netpoll_cleanup(&np);
-+ configured = 0;
-+ kgdb_unregister_io_module(&local_kgdb_io_ops);
-+}
-+
-+static int param_set_kgdboe_var(const char *kmessage, struct kernel_param *kp)
-+{
-+ char kmessage_save[MAX_KGDBOE_CONFIG_STR];
-+ int msg_len = strlen(kmessage);
-+
-+ if (msg_len + 1 > MAX_KGDBOE_CONFIG_STR) {
-+ printk(KERN_ERR "%s: string doesn't fit in %u chars.\n",
-+ kp->name, MAX_KGDBOE_CONFIG_STR - 1);
-+ return -ENOSPC;
-+ }
-+
-+ if (kgdb_connected) {
-+ printk(KERN_ERR "kgdboe: Cannot reconfigure while KGDB is "
-+ "connected.\n");
-+ return 0;
-+ }
-+
-+ /* Start the reconfiguration process by saving the old string */
-+ strncpy(kmessage_save, config, sizeof(kmessage_save));
-+
-+
-+ /* Copy in the new param and strip out invalid characters so we
-+ * can optionally specify the MAC.
-+ */
-+ strncpy(config, kmessage, sizeof(config));
-+ msg_len--;
-+ while (msg_len > 0 &&
-+ (config[msg_len] < ',' || config[msg_len] > 'f')) {
-+ config[msg_len] = '\0';
-+ msg_len--;
-+ }
-+
-+ /* Check to see if we are unconfiguring the io module and that it
-+ * was in a fully configured state, as this is the only time that
-+ * netpoll_cleanup should get called
-+ */
-+ if (configured == 2 && strcmp(config, NOT_CONFIGURED_STRING) == 0) {
-+ printk(KERN_INFO "kgdboe: reverting to unconfigured state\n");
-+ cleanup_kgdboe();
-+ return 0;
-+ } else
-+ /* Go and configure with the new params. */
-+ configure_kgdboe();
-+
-+ if (configured == 2)
-+ return 0;
-+
-+ /* If the new string was invalid, revert to the previous state, which
-+ * is at a minimum not_configured. */
-+ strncpy(config, kmessage_save, sizeof(config));
-+ if (strcmp(kmessage_save, NOT_CONFIGURED_STRING) != 0) {
-+ printk(KERN_INFO "kgdboe: reverting to prior configuration\n");
-+ /* revert back to the original config */
-+ strncpy(config, kmessage_save, sizeof(config));
-+ configure_kgdboe();
-+ }
-+ return 0;
-+}
-+
-+static struct kgdb_io local_kgdb_io_ops = {
-+ .read_char = eth_get_char,
-+ .write_char = eth_put_char,
-+ .init = init_kgdboe,
-+ .flush = eth_flush_buf,
-+ .pre_exception = eth_pre_exception_handler,
-+ .post_exception = eth_post_exception_handler
-+};
-+
-+module_init(init_kgdboe);
-+module_exit(cleanup_kgdboe);
-+module_param_call(kgdboe, param_set_kgdboe_var, param_get_string, &kps, 0644);
-+MODULE_PARM_DESC(kgdboe, " kgdboe=[src-port]@[src-ip]/[dev],"
-+ "[tgt-port]@<tgt-ip>/<tgt-macaddr>\n");
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/8250.c linux-2.6.18-53.1.14.kgdb/drivers/serial/8250.c
---- linux-2.6.18-53.1.14/drivers/serial/8250.c 2008-03-06 05:54:43.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/8250.c 2008-06-10 15:37:43.000000000 +0400
-@@ -2656,6 +2656,25 @@ void serial8250_unregister_port(int line
- }
- EXPORT_SYMBOL(serial8250_unregister_port);
-
-+/**
-+ * serial8250_unregister_by_port - remove a 16x50 serial port
-+ * at runtime.
-+ * @port: A &struct uart_port that describes the port to remove.
-+ *
-+ * Remove one serial port. This may not be called from interrupt
-+ * context. We hand the port back to the our control.
-+ */
-+void serial8250_unregister_by_port(struct uart_port *port)
-+{
-+ struct uart_8250_port *uart;
-+
-+ uart = serial8250_find_match_or_unused(port);
-+
-+ if (uart)
-+ serial8250_unregister_port(uart->port.line);
-+}
-+EXPORT_SYMBOL(serial8250_unregister_by_port);
-+
- static int __init serial8250_init(void)
- {
- int ret, i;
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/8250_kgdb.c linux-2.6.18-53.1.14.kgdb/drivers/serial/8250_kgdb.c
---- linux-2.6.18-53.1.14/drivers/serial/8250_kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/8250_kgdb.c 2008-06-10 15:37:43.000000000 +0400
-@@ -0,0 +1,516 @@
-+/*
-+ * 8250 interface for kgdb.
-+ *
-+ * This is a merging of many different drivers, and all of the people have
-+ * had an impact in some form or another:
-+ *
-+ * 2004-2005 (c) MontaVista Software, Inc.
-+ * 2005-2006 (c) Wind River Systems, Inc.
-+ *
-+ * Amit Kale <amitkale@emsyssoft.com>, David Grothe <dave@gcom.com>,
-+ * Scott Foehner <sfoehner@engr.sgi.com>, George Anzinger <george@mvista.com>,
-+ * Robert Walsh <rjwalsh@durables.org>, wangdi <wangdi@clusterfs.com>,
-+ * San Mehat, Tom Rini <trini@mvista.com>,
-+ * Jason Wessel <jason.wessel@windriver.com>
-+ */
-+
-+#include <linux/config.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/kgdb.h>
-+#include <linux/interrupt.h>
-+#include <linux/tty.h>
-+#include <linux/serial.h>
-+#include <linux/serial_reg.h>
-+#include <linux/serialP.h>
-+#include <linux/ioport.h>
-+
-+#include <asm/io.h>
-+#include <asm/serial.h> /* For BASE_BAUD and SERIAL_PORT_DFNS */
-+
-+#include "8250.h"
-+
-+#define GDB_BUF_SIZE 512 /* power of 2, please */
-+
-+MODULE_DESCRIPTION("KGDB driver for the 8250");
-+MODULE_LICENSE("GPL");
-+/* These will conflict with early_param otherwise. */
-+#ifdef CONFIG_KGDB_8250_MODULE
-+static char config[256];
-+module_param_string(kgdb8250, config, 256, 0);
-+MODULE_PARM_DESC(kgdb8250,
-+ " kgdb8250=<io or mmio>,<address>,<baud rate>,<irq>\n");
-+static struct kgdb_io local_kgdb_io_ops;
-+#endif /* CONFIG_KGDB_8250_MODULE */
-+
-+/* Speed of the UART. */
-+static int kgdb8250_baud;
-+
-+/* Flag for if we need to call request_mem_region */
-+static int kgdb8250_needs_request_mem_region;
-+
-+static char kgdb8250_buf[GDB_BUF_SIZE];
-+static atomic_t kgdb8250_buf_in_cnt;
-+static int kgdb8250_buf_out_inx;
-+
-+/* Old-style serial definitions, if existant, and a counter. */
-+#ifdef CONFIG_KGDB_SIMPLE_SERIAL
-+static int __initdata should_copy_rs_table = 1;
-+static struct serial_state old_rs_table[] __initdata = {
-+#ifdef SERIAL_PORT_DFNS
-+ SERIAL_PORT_DFNS
-+#endif
-+};
-+#endif
-+
-+/* Our internal table of UARTS. */
-+#define UART_NR CONFIG_SERIAL_8250_NR_UARTS
-+static struct uart_port kgdb8250_ports[UART_NR];
-+
-+static struct uart_port *current_port;
-+
-+/* Base of the UART. */
-+static void *kgdb8250_addr;
-+
-+/* Forward declarations. */
-+static int kgdb8250_uart_init(void);
-+static int __init kgdb_init_io(void);
-+static int __init kgdb8250_opt(char *str);
-+
-+/* These are much shorter calls to ioread8/iowrite8 that take into
-+ * account our shifts, etc. */
-+static inline unsigned int kgdb_ioread(u8 mask)
-+{
-+ return ioread8(kgdb8250_addr + (mask << current_port->regshift));
-+}
-+
-+static inline void kgdb_iowrite(u8 val, u8 mask)
-+{
-+ iowrite8(val, kgdb8250_addr + (mask << current_port->regshift));
-+}
-+
-+/*
-+ * Wait until the interface can accept a char, then write it.
-+ */
-+static void kgdb_put_debug_char(u8 chr)
-+{
-+ while (!(kgdb_ioread(UART_LSR) & UART_LSR_THRE)) ;
-+
-+ kgdb_iowrite(chr, UART_TX);
-+}
-+
-+/*
-+ * Get a byte from the hardware data buffer and return it
-+ */
-+static int read_data_bfr(void)
-+{
-+ char it = kgdb_ioread(UART_LSR);
-+
-+ if (it & UART_LSR_DR)
-+ return kgdb_ioread(UART_RX);
-+
-+ /*
-+ * If we have a framing error assume somebody messed with
-+ * our uart. Reprogram it and send '-' both ways...
-+ */
-+ if (it & 0xc) {
-+ kgdb8250_uart_init();
-+ kgdb_put_debug_char('-');
-+ return '-';
-+ }
-+
-+ return -1;
-+}
-+
-+/*
-+ * Get a char if available, return -1 if nothing available.
-+ * Empty the receive buffer first, then look at the interface hardware.
-+ */
-+static int kgdb_get_debug_char(void)
-+{
-+ int retchr;
-+
-+ /* intr routine has q'd chars */
-+ if (atomic_read(&kgdb8250_buf_in_cnt) != 0) {
-+ retchr = kgdb8250_buf[kgdb8250_buf_out_inx++];
-+ kgdb8250_buf_out_inx &= (GDB_BUF_SIZE - 1);
-+ atomic_dec(&kgdb8250_buf_in_cnt);
-+ return retchr;
-+ }
-+
-+ do {
-+ retchr = read_data_bfr();
-+ } while (retchr < 0);
-+
-+ return retchr;
-+}
-+
-+/*
-+ * This is the receiver interrupt routine for the GDB stub.
-+ * All that we need to do is verify that the interrupt happened on the
-+ * line we're in charge of. If this is true, schedule a breakpoint and
-+ * return.
-+ */
-+static irqreturn_t
-+kgdb8250_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-+{
-+ if (kgdb_ioread(UART_IIR) & UART_IIR_RDI) {
-+ /* Throw away the data if another I/O routine is active. */
-+ if (kgdb_io_ops.read_char != kgdb_get_debug_char &&
-+ (kgdb_ioread(UART_LSR) & UART_LSR_DR))
-+ kgdb_ioread(UART_RX);
-+ else
-+ breakpoint();
-+ }
-+
-+ return IRQ_HANDLED;
-+}
-+
-+/*
-+ * Initializes the UART.
-+ * Returns:
-+ * 0 on success, 1 on failure.
-+ */
-+static int
-+kgdb8250_uart_init (void)
-+{
-+ unsigned int ier, base_baud = current_port->uartclk ?
-+ current_port->uartclk / 16 : BASE_BAUD;
-+
-+ /* test uart existance */
-+ if(kgdb_ioread(UART_LSR) == 0xff)
-+ return -1;
-+
-+ /* disable interrupts */
-+ kgdb_iowrite(0, UART_IER);
-+
-+#if defined(CONFIG_ARCH_OMAP1510)
-+ /* Workaround to enable 115200 baud on OMAP1510 internal ports */
-+ if (cpu_is_omap1510() && is_omap_port((void *)kgdb8250_addr)) {
-+ if (kgdb8250_baud == 115200) {
-+ base_baud = 1;
-+ kgdb8250_baud = 1;
-+ kgdb_iowrite(1, UART_OMAP_OSC_12M_SEL);
-+ } else
-+ kgdb_iowrite(0, UART_OMAP_OSC_12M_SEL);
-+ }
-+#endif
-+ /* set DLAB */
-+ kgdb_iowrite(UART_LCR_DLAB, UART_LCR);
-+
-+ /* set baud */
-+ kgdb_iowrite((base_baud / kgdb8250_baud) & 0xff, UART_DLL);
-+ kgdb_iowrite((base_baud / kgdb8250_baud) >> 8, UART_DLM);
-+
-+ /* reset DLAB, set LCR */
-+ kgdb_iowrite(UART_LCR_WLEN8, UART_LCR);
-+
-+ /* set DTR and RTS */
-+ kgdb_iowrite(UART_MCR_OUT2 | UART_MCR_DTR | UART_MCR_RTS, UART_MCR);
-+
-+ /* setup fifo */
-+ kgdb_iowrite(UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR
-+ | UART_FCR_CLEAR_XMIT | UART_FCR_TRIGGER_8,
-+ UART_FCR);
-+
-+ /* clear pending interrupts */
-+ kgdb_ioread(UART_IIR);
-+ kgdb_ioread(UART_RX);
-+ kgdb_ioread(UART_LSR);
-+ kgdb_ioread(UART_MSR);
-+
-+ /* turn on RX interrupt only */
-+ kgdb_iowrite(UART_IER_RDI, UART_IER);
-+
-+ /*
-+ * Borrowed from the main 8250 driver.
-+ * Try writing and reading the UART_IER_UUE bit (b6).
-+ * If it works, this is probably one of the Xscale platform's
-+ * internal UARTs.
-+ * We're going to explicitly set the UUE bit to 0 before
-+ * trying to write and read a 1 just to make sure it's not
-+ * already a 1 and maybe locked there before we even start start.
-+ */
-+ ier = kgdb_ioread(UART_IER);
-+ kgdb_iowrite(ier & ~UART_IER_UUE, UART_IER);
-+ if (!(kgdb_ioread(UART_IER) & UART_IER_UUE)) {
-+ /*
-+ * OK it's in a known zero state, try writing and reading
-+ * without disturbing the current state of the other bits.
-+ */
-+ kgdb_iowrite(ier | UART_IER_UUE, UART_IER);
-+ if (kgdb_ioread(UART_IER) & UART_IER_UUE)
-+ /*
-+ * It's an Xscale.
-+ */
-+ ier |= UART_IER_UUE | UART_IER_RTOIE;
-+ }
-+ kgdb_iowrite(ier, UART_IER);
-+ return 0;
-+}
-+
-+/*
-+ * Copy the old serial_state table to our uart_port table if we haven't
-+ * had values specifically configured in. We need to make sure this only
-+ * happens once.
-+ */
-+static void __init kgdb8250_copy_rs_table(void)
-+{
-+#ifdef CONFIG_KGDB_SIMPLE_SERIAL
-+ int i;
-+
-+ if (!should_copy_rs_table)
-+ return;
-+
-+ for (i = 0; i < ARRAY_SIZE(old_rs_table); i++) {
-+ kgdb8250_ports[i].iobase = old_rs_table[i].port;
-+ kgdb8250_ports[i].irq = irq_canonicalize(old_rs_table[i].irq);
-+ kgdb8250_ports[i].uartclk = old_rs_table[i].baud_base * 16;
-+ kgdb8250_ports[i].membase = old_rs_table[i].iomem_base;
-+ kgdb8250_ports[i].iotype = old_rs_table[i].io_type;
-+ kgdb8250_ports[i].regshift = old_rs_table[i].iomem_reg_shift;
-+ kgdb8250_ports[i].line = i;
-+ }
-+
-+ should_copy_rs_table = 0;
-+#endif
-+}
-+
-+/*
-+ * Hookup our IRQ line now that it is safe to do so, after we grab any
-+ * memory regions we might need to. If we haven't been initialized yet,
-+ * go ahead and copy the old_rs_table in.
-+ */
-+static void __init kgdb8250_late_init(void)
-+{
-+ /* Try and copy the old_rs_table. */
-+ kgdb8250_copy_rs_table();
-+
-+#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
-+ /* Take the port away from the main driver. */
-+ serial8250_unregister_by_port(current_port);
-+
-+ /* Now reinit the port as the above has disabled things. */
-+ kgdb8250_uart_init();
-+#endif
-+ /* We may need to call request_mem_region() first. */
-+ if (kgdb8250_needs_request_mem_region)
-+ request_mem_region(current_port->mapbase,
-+ 8 << current_port->regshift, "kgdb");
-+ if (request_irq(current_port->irq, kgdb8250_interrupt, SA_SHIRQ,
-+ "GDB-stub", current_port) < 0)
-+ printk(KERN_ERR "KGDB failed to request the serial IRQ (%d)\n",
-+ current_port->irq);
-+}
-+
-+static __init int kgdb_init_io(void)
-+{
-+ /* Give us the basic table of uarts. */
-+ kgdb8250_copy_rs_table();
-+
-+ /* We're either a module and parse a config string, or we have a
-+ * semi-static config. */
-+#ifdef CONFIG_KGDB_8250_MODULE
-+ if (strlen(config)) {
-+ if (kgdb8250_opt(config))
-+ return -EINVAL;
-+ } else {
-+ printk(KERN_ERR "kgdb8250: argument error, usage: "
-+ "kgdb8250=<io or mmio>,<address>,<baud rate>,<irq>\n");
-+ return -EINVAL;
-+ }
-+#elif defined(CONFIG_KGDB_SIMPLE_SERIAL)
-+ kgdb8250_baud = CONFIG_KGDB_BAUDRATE;
-+
-+ /* Setup our pointer to the serial port now. */
-+ current_port = &kgdb8250_ports[CONFIG_KGDB_PORT_NUM];
-+#else
-+ if (kgdb8250_opt(CONFIG_KGDB_8250_CONF_STRING))
-+ return -EINVAL;
-+#endif
-+
-+
-+ /* Internal driver setup. */
-+ switch (current_port->iotype) {
-+ case UPIO_MEM:
-+ if (current_port->mapbase)
-+ kgdb8250_needs_request_mem_region = 1;
-+ if (current_port->flags & UPF_IOREMAP) {
-+ current_port->membase = ioremap(current_port->mapbase,
-+ 8 << current_port->regshift);
-+ if (!current_port->membase)
-+ return -EIO; /* Failed. */
-+ }
-+ kgdb8250_addr = current_port->membase;
-+ break;
-+ case UPIO_PORT:
-+ default:
-+ kgdb8250_addr = ioport_map(current_port->iobase,
-+ 8 << current_port->regshift);
-+ if (!kgdb8250_addr)
-+ return -EIO; /* Failed. */
-+ }
-+
-+ if (kgdb8250_uart_init() == -1) {
-+ printk(KERN_ERR "kgdb8250: init failed\n");
-+ return -EIO;
-+ }
-+#ifdef CONFIG_KGDB_8250_MODULE
-+ /* Attach the kgdb irq. When this is built into the kernel, it
-+ * is called as a part of late_init sequence.
-+ */
-+ kgdb8250_late_init();
-+ if (kgdb_register_io_module(&local_kgdb_io_ops))
-+ return -EINVAL;
-+
-+ printk(KERN_INFO "kgdb8250: debugging enabled\n");
-+#endif /* CONFIG_KGD_8250_MODULE */
-+
-+ return 0;
-+}
-+
-+#ifdef CONFIG_KGDB_8250_MODULE
-+/* If it is a module the kgdb_io_ops should be a static which
-+ * is passed to the KGDB I/O initialization
-+ */
-+static struct kgdb_io local_kgdb_io_ops = {
-+#else /* ! CONFIG_KGDB_8250_MODULE */
-+struct kgdb_io kgdb_io_ops = {
-+#endif /* ! CONFIG_KGD_8250_MODULE */
-+ .read_char = kgdb_get_debug_char,
-+ .write_char = kgdb_put_debug_char,
-+ .init = kgdb_init_io,
-+ .late_init = kgdb8250_late_init,
-+};
-+
-+/**
-+ * kgdb8250_add_port - Define a serial port for use with KGDB
-+ * @i: The index of the port being added
-+ * @serial_req: The &struct uart_port describing the port
-+ *
-+ * On platforms where we must register the serial device
-+ * dynamically, this is the best option if a platform also normally
-+ * calls early_serial_setup().
-+ */
-+void __init kgdb8250_add_port(int i, struct uart_port *serial_req)
-+{
-+ /* Make sure we've got the built-in data before we override. */
-+ kgdb8250_copy_rs_table();
-+
-+ /* Copy the whole thing over. */
-+ if (current_port != &kgdb8250_ports[i])
-+ memcpy(&kgdb8250_ports[i], serial_req, sizeof(struct uart_port));
-+}
-+
-+/**
-+ * kgdb8250_add_platform_port - Define a serial port for use with KGDB
-+ * @i: The index of the port being added
-+ * @p: The &struct plat_serial8250_port describing the port
-+ *
-+ * On platforms where we must register the serial device
-+ * dynamically, this is the best option if a platform normally
-+ * handles uart setup with an array of &struct plat_serial8250_port.
-+ */
-+void __init kgdb8250_add_platform_port(int i, struct plat_serial8250_port *p)
-+{
-+ /* Make sure we've got the built-in data before we override. */
-+ kgdb8250_copy_rs_table();
-+
-+ kgdb8250_ports[i].iobase = p->iobase;
-+ kgdb8250_ports[i].membase = p->membase;
-+ kgdb8250_ports[i].irq = p->irq;
-+ kgdb8250_ports[i].uartclk = p->uartclk;
-+ kgdb8250_ports[i].regshift = p->regshift;
-+ kgdb8250_ports[i].iotype = p->iotype;
-+ kgdb8250_ports[i].flags = p->flags;
-+ kgdb8250_ports[i].mapbase = p->mapbase;
-+}
-+
-+/*
-+ * Syntax for this cmdline option is:
-+ * kgdb8250=<io or mmio>,<address>,<baud rate>,<irq>"
-+ */
-+static int __init kgdb8250_opt(char *str)
-+{
-+ /* We'll fill out and use the first slot. */
-+ current_port = &kgdb8250_ports[0];
-+
-+ if (!strncmp(str, "io", 2)) {
-+ current_port->iotype = UPIO_PORT;
-+ str += 2;
-+ } else if (!strncmp(str, "mmap", 4)) {
-+ current_port->iotype = UPIO_MEM;
-+ current_port->flags |= UPF_IOREMAP;
-+ str += 4;
-+ } else if (!strncmp(str, "mmio", 4)) {
-+ current_port->iotype = UPIO_MEM;
-+ current_port->flags &= ~UPF_IOREMAP;
-+ str += 4;
-+ } else
-+ goto errout;
-+
-+ if (*str != ',')
-+ goto errout;
-+ str++;
-+
-+ if (current_port->iotype == UPIO_PORT)
-+ current_port->iobase = simple_strtoul(str, &str, 16);
-+ else {
-+ if (current_port->flags & UPF_IOREMAP)
-+ current_port->mapbase =
-+ (unsigned long) simple_strtoul(str, &str, 16);
-+ else
-+ current_port->membase =
-+ (void *) simple_strtoul(str, &str, 16);
-+ }
-+
-+ if (*str != ',')
-+ goto errout;
-+ str++;
-+
-+ kgdb8250_baud = simple_strtoul(str, &str, 10);
-+ if (!kgdb8250_baud)
-+ goto errout;
-+
-+ if (*str != ',')
-+ goto errout;
-+ str++;
-+
-+ current_port->irq = simple_strtoul(str, &str, 10);
-+
-+#ifdef CONFIG_KGDB_SIMPLE_SERIAL
-+ should_copy_rs_table = 0;
-+#endif
-+
-+ return 0;
-+
-+ errout:
-+ printk(KERN_ERR "Invalid syntax for option kgdb8250=\n");
-+ return 1;
-+}
-+
-+#ifdef CONFIG_KGDB_8250_MODULE
-+static void cleanup_kgdb8250(void)
-+{
-+ kgdb_unregister_io_module(&local_kgdb_io_ops);
-+
-+ /* Clean up the irq and memory */
-+ free_irq(current_port->irq, current_port);
-+
-+ if (kgdb8250_needs_request_mem_region)
-+ release_mem_region(current_port->mapbase,
-+ 8 << current_port->regshift);
-+ /* Hook up the serial port back to what it was previously
-+ * hooked up to.
-+ */
-+#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
-+ /* Give the port back to the 8250 driver. */
-+ serial8250_register_port(current_port);
-+#endif
-+}
-+
-+module_init(kgdb_init_io);
-+module_exit(cleanup_kgdb8250);
-+#else /* ! CONFIG_KGDB_8250_MODULE */
-+early_param("kgdb8250", kgdb8250_opt);
-+#endif /* ! CONFIG_KGDB_8250_MODULE */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/Kconfig linux-2.6.18-53.1.14.kgdb/drivers/serial/Kconfig
---- linux-2.6.18-53.1.14/drivers/serial/Kconfig 2008-03-06 05:54:47.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/Kconfig 2008-06-10 15:37:43.000000000 +0400
-@@ -107,7 +107,7 @@ config SERIAL_8250_CS
-
- config SERIAL_8250_NR_UARTS
- int "Maximum number of 8250/16550 serial ports"
-- depends on SERIAL_8250
-+ depends on SERIAL_8250 || KGDB_8250
- default "4"
- help
- Set this to the number of serial ports you want the driver
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/Makefile linux-2.6.18-53.1.14.kgdb/drivers/serial/Makefile
---- linux-2.6.18-53.1.14/drivers/serial/Makefile 2008-03-06 05:54:47.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/Makefile 2008-06-10 15:38:14.000000000 +0400
-@@ -47,6 +47,7 @@ obj-$(CONFIG_SERIAL_IMX) += imx.o
- obj-$(CONFIG_SERIAL_MPC52xx) += mpc52xx_uart.o
- obj-$(CONFIG_SERIAL_ICOM) += icom.o
- obj-$(CONFIG_SERIAL_M32R_SIO) += m32r_sio.o
-+obj-$(CONFIG_KGDB_MPSC) += mpsc_kgdb.o
- obj-$(CONFIG_SERIAL_MPSC) += mpsc.o
- obj-$(CONFIG_ETRAX_SERIAL) += crisv10.o
- obj-$(CONFIG_SERIAL_JSM) += jsm/
-@@ -57,3 +58,4 @@ obj-$(CONFIG_SERIAL_SGI_IOC3) += ioc3_se
- obj-$(CONFIG_SERIAL_AT91) += at91_serial.o
- obj-$(CONFIG_SERIAL_NETX) += netx-serial.o
- obj-$(CONFIG_SERIAL_OF_PLATFORM) += of_serial.o
-+obj-$(CONFIG_KGDB_8250) += 8250_kgdb.o
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/amba-pl011.c linux-2.6.18-53.1.14.kgdb/drivers/serial/amba-pl011.c
---- linux-2.6.18-53.1.14/drivers/serial/amba-pl011.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/amba-pl011.c 2008-06-10 15:38:56.000000000 +0400
-@@ -340,7 +340,7 @@ static int pl011_startup(struct uart_por
- /*
- * Allocate the IRQ
- */
-- retval = request_irq(uap->port.irq, pl011_int, 0, "uart-pl011", uap);
-+ retval = request_irq(uap->port.irq, pl011_int, SA_SHIRQ, "uart-pl011", uap);
- if (retval)
- goto clk_dis;
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/cpm_uart/Makefile linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/Makefile
---- linux-2.6.18-53.1.14/drivers/serial/cpm_uart/Makefile 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/Makefile 2008-06-10 15:38:14.000000000 +0400
-@@ -7,5 +7,6 @@ obj-$(CONFIG_SERIAL_CPM) += cpm_uart.o
- # Select the correct platform objects.
- cpm_uart-objs-$(CONFIG_CPM2) += cpm_uart_cpm2.o
- cpm_uart-objs-$(CONFIG_8xx) += cpm_uart_cpm1.o
-+cpm_uart-objs-$(CONFIG_KGDB_CPM_UART) += cpm_uart_kgdb.o
-
- cpm_uart-objs := cpm_uart_core.o $(cpm_uart-objs-y)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/cpm_uart/cpm_uart.h linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/cpm_uart.h
---- linux-2.6.18-53.1.14/drivers/serial/cpm_uart/cpm_uart.h 2008-03-06 05:54:12.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/cpm_uart.h 2008-06-10 15:38:14.000000000 +0400
-@@ -50,6 +50,39 @@
-
- #define SCC_WAIT_CLOSING 100
-
-+#ifdef CONFIG_KGDB_CPM_UART
-+
-+/* Speed of the debug UART. */
-+#if defined(CONFIG_KGDB_9600BAUD)
-+#define KGDB_BAUD B9600
-+#elif defined(CONFIG_KGDB_19200BAUD)
-+#define KGDB_BAUD B19200
-+#elif defined(CONFIG_KGDB_38400BAUD)
-+#define KGDB_BAUD B38400
-+#elif defined(CONFIG_KGDB_57600BAUD)
-+#define KGDB_BAUD B57600
-+#else
-+#define KGDB_BAUD B115200 /* Start with this if not given */
-+#endif
-+
-+#ifdef CONFIG_KGDB_CPM_UART_SCC1
-+#define KGDB_PINFO_INDEX UART_SCC1
-+#elif CONFIG_KGDB_CPM_UART_SCC2
-+#define KGDB_PINFO_INDEX UART_SCC2
-+#elif CONFIG_KGDB_CPM_UART_SCC3
-+#define KGDB_PINFO_INDEX UART_SCC3
-+#elif CONFIG_KGDB_CPM_UART_SCC4
-+#define KGDB_PINFO_INDEX UART_SCC4
-+#elif CONFIG_KGDB_CPM_UART_SMC1
-+#define KGDB_PINFO_INDEX UART_SMC1
-+#elif CONFIG_KGDB_CPM_UART_SMC2
-+#define KGDB_PINFO_INDEX UART_SMC2
-+#else
-+#error The S(M)CC for kgdb console is undefined
-+#endif
-+
-+#endif /* CONFIG_KGDB_CPM_UART */
-+
- struct uart_cpm_port {
- struct uart_port port;
- u16 rx_nrfifos;
-@@ -86,6 +119,9 @@ extern int cpm_uart_port_map[UART_NR];
- extern int cpm_uart_nr;
- extern struct uart_cpm_port cpm_uart_ports[UART_NR];
-
-+void cpm_uart_early_write(int index, const char *s, u_int count);
-+int cpm_uart_early_setup(int index,int early);
-+
- /* these are located in their respective files */
- void cpm_line_cr_cmd(int line, int cmd);
- int cpm_uart_init_portdesc(void);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/cpm_uart/cpm_uart_core.c linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/cpm_uart_core.c
---- linux-2.6.18-53.1.14/drivers/serial/cpm_uart/cpm_uart_core.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/cpm_uart_core.c 2008-06-10 15:38:14.000000000 +0400
-@@ -1070,22 +1070,17 @@ int cpm_uart_drv_get_platform_data(struc
- return 0;
- }
-
--#ifdef CONFIG_SERIAL_CPM_CONSOLE
--/*
-- * Print a string to the serial port trying not to disturb
-- * any possible real use of the port...
-- *
-- * Note that this is called with interrupts already disabled
-- */
--static void cpm_uart_console_write(struct console *co, const char *s,
-+void cpm_uart_early_write(int index, const char *s,
- u_int count)
- {
-- struct uart_cpm_port *pinfo =
-- &cpm_uart_ports[cpm_uart_port_map[co->index]];
-+ struct uart_cpm_port *pinfo;
- unsigned int i;
- volatile cbd_t *bdp, *bdbase;
- volatile unsigned char *cp;
-
-+ BUG_ON(index>UART_NR);
-+ pinfo = &cpm_uart_ports[index];
-+
- /* Get the address of the host memory buffer.
- */
- bdp = pinfo->tx_cur;
-@@ -1149,16 +1144,11 @@ static void cpm_uart_console_write(struc
- pinfo->tx_cur = (volatile cbd_t *) bdp;
- }
-
--
--static int __init cpm_uart_console_setup(struct console *co, char *options)
-+int cpm_uart_early_setup(int index, int early)
- {
-+ int ret;
- struct uart_port *port;
- struct uart_cpm_port *pinfo;
-- int baud = 38400;
-- int bits = 8;
-- int parity = 'n';
-- int flow = 'n';
-- int ret;
-
- struct fs_uart_platform_info *pdata;
- struct platform_device* pdev = early_uart_get_pdev(co->index);
-@@ -1169,8 +1159,9 @@ static int __init cpm_uart_console_setup
- cpm_uart_init_portdesc();
- }
-
-+ BUG_ON(index>UART_NR);
- port =
-- (struct uart_port *)&cpm_uart_ports[cpm_uart_port_map[co->index]];
-+ (struct uart_port *)&cpm_uart_ports[index];
- pinfo = (struct uart_cpm_port *)port;
- if (!pdev) {
- if (pinfo->set_lineif)
-@@ -1184,19 +1175,6 @@ static int __init cpm_uart_console_setup
- cpm_uart_drv_get_platform_data(pdev, 1);
- }
-
-- pinfo->flags |= FLAG_CONSOLE;
--
-- if (options) {
-- uart_parse_options(options, &baud, &parity, &bits, &flow);
-- } else {
-- bd_t *bd = (bd_t *) __res;
--
-- if (bd->bi_baudrate)
-- baud = bd->bi_baudrate;
-- else
-- baud = 9600;
-- }
--
- if (IS_SMC(pinfo)) {
- pinfo->smcp->smc_smcm &= ~(SMCM_RX | SMCM_TX);
- pinfo->smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
-@@ -1204,8 +1182,7 @@ static int __init cpm_uart_console_setup
- pinfo->sccp->scc_sccm &= ~(UART_SCCM_TX | UART_SCCM_RX);
- pinfo->sccp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- }
--
-- ret = cpm_uart_allocbuf(pinfo, 1);
-+ ret = cpm_uart_allocbuf(pinfo, early);
-
- if (ret)
- return ret;
-@@ -1217,6 +1194,56 @@ static int __init cpm_uart_console_setup
- else
- cpm_uart_init_scc(pinfo);
-
-+ return 0;
-+}
-+
-+#ifdef CONFIG_SERIAL_CPM_CONSOLE
-+/*
-+ * Print a string to the serial port trying not to disturb
-+ * any possible real use of the port...
-+ *
-+ * Note that this is called with interrupts already disabled
-+ */
-+
-+static void cpm_uart_console_write(struct console *co, const char *s,
-+ u_int count)
-+{
-+ cpm_uart_early_write(cpm_uart_port_map[co->index],s,count);
-+}
-+
-+/*
-+ * Setup console. Be careful is called early !
-+ */
-+static int __init cpm_uart_console_setup(struct console *co, char *options)
-+{
-+ struct uart_port *port;
-+ struct uart_cpm_port *pinfo;
-+ int baud = 115200;
-+ int bits = 8;
-+ int parity = 'n';
-+ int flow = 'n';
-+ int ret;
-+
-+ port =
-+ (struct uart_port *)&cpm_uart_ports[cpm_uart_port_map[co->index]];
-+ pinfo = (struct uart_cpm_port *)port;
-+
-+ pinfo->flags |= FLAG_CONSOLE;
-+
-+ if (options) {
-+ uart_parse_options(options, &baud, &parity, &bits, &flow);
-+ } else {
-+ bd_t *bd = (bd_t *) __res;
-+
-+ if (bd->bi_baudrate)
-+ baud = bd->bi_baudrate;
-+ else
-+ baud = 9600;
-+ }
-+
-+ ret = cpm_uart_early_setup(cpm_uart_port_map[co->index], 1);
-+ if(ret)
-+ return ret;
- uart_set_options(port, co, baud, parity, bits, flow);
-
- return 0;
-@@ -1364,6 +1391,12 @@ static int cpm_uart_init(void) {
-
- for (i = 0; i < cpm_uart_nr; i++) {
- int con = cpm_uart_port_map[i];
-+
-+#ifdef CONFIG_KGDB_CPM_UART
-+ /* We are not interested in ports yet utilized by kgdb */
-+ if(con == KGDB_PINFO_INDEX)
-+ continue;
-+#endif
- cpm_uart_ports[con].port.line = i;
- cpm_uart_ports[con].port.flags = UPF_BOOT_AUTOCONF;
- uart_add_one_port(&cpm_reg, &cpm_uart_ports[con].port);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/cpm_uart/cpm_uart_cpm1.c linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/cpm_uart_cpm1.c
---- linux-2.6.18-53.1.14/drivers/serial/cpm_uart/cpm_uart_cpm1.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/cpm_uart_cpm1.c 2008-06-10 15:38:14.000000000 +0400
-@@ -52,6 +52,7 @@ void cpm_line_cr_cmd(int line, int cmd)
- {
- ushort val;
- volatile cpm8xx_t *cp = cpmp;
-+ unsigned *bcsr_io;
-
- switch (line) {
- case UART_SMC1:
-@@ -94,12 +95,35 @@ void scc1_lineif(struct uart_cpm_port *p
- {
- /* XXX SCC1: insert port configuration here */
- pinfo->brg = 1;
-+
-+#if defined (CONFIG_MPC885ADS) || defined (CONFIG_MPC86XADS)
-+ bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
-+
-+ if (bcsr_io == NULL) {
-+ printk(KERN_CRIT "Could not remap BCSR\n");
-+ return;
-+ }
-+ out_be32(bcsr_io, in_be32(bcsr_io) & ~BCSR1_RS232EN_1);
-+ iounmap(bcsr_io);
-+#endif
- }
-
- void scc2_lineif(struct uart_cpm_port *pinfo)
- {
- /* XXX SCC2: insert port configuration here */
- pinfo->brg = 2;
-+ unsigned *bcsr_io;
-+
-+#if defined (CONFIG_MPC885ADS) || defined (CONFIG_MPC86XADS)
-+ bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
-+
-+ if (bcsr_io == NULL) {
-+ printk(KERN_CRIT "Could not remap BCSR\n");
-+ return;
-+ }
-+ out_be32(bcsr_io, in_be32(bcsr_io) & ~BCSR1_RS232EN_2);
-+ iounmap(bcsr_io);
-+#endif
- }
-
- void scc3_lineif(struct uart_cpm_port *pinfo)
-@@ -188,6 +212,10 @@ int cpm_uart_init_portdesc(void)
- {
- pr_debug("CPM uart[-]:init portdesc\n");
-
-+ /* Check if we have called this yet. This may happen if early kgdb
-+ breakpoint is on */
-+ if(cpm_uart_nr)
-+ return 0;
- cpm_uart_nr = 0;
- #ifdef CONFIG_SERIAL_CPM_SMC1
- cpm_uart_ports[UART_SMC1].smcp = &cpmp->cp_smc[0];
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/cpm_uart/cpm_uart_cpm2.c linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/cpm_uart_cpm2.c
---- linux-2.6.18-53.1.14/drivers/serial/cpm_uart/cpm_uart_cpm2.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/cpm_uart_cpm2.c 2008-06-10 15:38:14.000000000 +0400
-@@ -256,6 +256,10 @@ int cpm_uart_init_portdesc(void)
- {
- pr_debug("CPM uart[-]:init portdesc\n");
-
-+ /* Check if we have called this yet. This may happen if early kgdb
-+ breakpoint is on */
-+ if(cpm_uart_nr)
-+ return 0;
- cpm_uart_nr = 0;
- #ifdef CONFIG_SERIAL_CPM_SMC1
- cpm_uart_ports[UART_SMC1].smcp = (smc_t *) & cpm2_immr->im_smc[0];
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/cpm_uart/cpm_uart_kgdb.c linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/cpm_uart_kgdb.c
---- linux-2.6.18-53.1.14/drivers/serial/cpm_uart/cpm_uart_kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/cpm_uart/cpm_uart_kgdb.c 2008-06-10 15:38:14.000000000 +0400
-@@ -0,0 +1,195 @@
-+/*
-+ * drivers/serial/cpm_uart/cpm_uart_kgdb.c
-+ *
-+ * CPM UART interface for kgdb.
-+ *
-+ * Author: Vitaly Bordug <vbordug@ru.mvista.com>
-+ *
-+ * Used some bits from drivers/serial/kgdb_8250.c as a template
-+ *
-+ * 2005 (c) MontaVista Software, Inc. This file is licensed under
-+ * the terms of the GNU General Public License version 2. This program
-+ * is licensed "as is" without any warranty of any kind, whether express
-+ * or implied.
-+ */
-+
-+#include <linux/kgdb.h>
-+#include <linux/config.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/interrupt.h>
-+#include <linux/tty.h>
-+#include <linux/serial.h>
-+#include <linux/serial_core.h>
-+#include <linux/serial_reg.h>
-+
-+#include <asm/io.h>
-+#include <asm/serial.h> /* For BASE_BAUD and SERIAL_PORT_DFNS */
-+
-+#include "cpm_uart.h"
-+
-+#define GDB_BUF_SIZE 512 /* power of 2, please */
-+
-+
-+static char kgdb_buf[GDB_BUF_SIZE], *kgdbp;
-+static int kgdb_chars;
-+
-+/* Forward declarations. */
-+
-+/*
-+ * Receive character from the serial port. This only works well
-+ * before the port is initialize for real use.
-+ */
-+static int kgdb_wait_key(char *obuf)
-+{
-+ struct uart_cpm_port *pinfo;
-+
-+ u_char c, *cp;
-+ volatile cbd_t *bdp;
-+ int i;
-+
-+ pinfo = &cpm_uart_ports[KGDB_PINFO_INDEX];
-+
-+ /* Get the address of the host memory buffer.
-+ */
-+ bdp = pinfo->rx_cur;
-+ while (bdp->cbd_sc & BD_SC_EMPTY);
-+
-+ /* If the buffer address is in the CPM DPRAM, don't
-+ * convert it.
-+ */
-+ cp = cpm2cpu_addr(bdp->cbd_bufaddr);
-+
-+ if (obuf) {
-+ i = c = bdp->cbd_datlen;
-+ while (i-- > 0)
-+ {
-+ *obuf++ = *cp++;
-+ }
-+ } else {
-+ c = *cp;
-+ }
-+ bdp->cbd_sc |= BD_SC_EMPTY;
-+
-+ if (bdp->cbd_sc & BD_SC_WRAP) {
-+ bdp = pinfo->rx_bd_base;
-+ } else {
-+ bdp++;
-+ }
-+ pinfo->rx_cur = (cbd_t *)bdp;
-+
-+ return((int)c);
-+}
-+
-+
-+/*
-+ * Wait until the interface can accept a char, then write it.
-+ */
-+static void
-+kgdb_put_debug_char(int chr)
-+{
-+ static char ch[2];
-+ ch[0]=(char)chr;
-+ cpm_uart_early_write(KGDB_PINFO_INDEX, ch, 1);
-+}
-+
-+
-+/*
-+ * Get a char if available, return -1 if nothing available.
-+ * Empty the receive buffer first, then look at the interface hardware.
-+ */
-+static int
-+kgdb_get_debug_char(void)
-+{
-+ if (kgdb_chars<=0) {
-+ kgdb_chars = kgdb_wait_key(kgdb_buf);
-+ kgdbp = kgdb_buf;
-+ }
-+ kgdb_chars--;
-+
-+ return (*kgdbp++);
-+}
-+
-+static void termios_set_options(int index,
-+ int baud, int parity, int bits, int flow)
-+{
-+ struct termios termios;
-+ struct uart_port *port;
-+ struct uart_cpm_port *pinfo;
-+
-+ BUG_ON(index>UART_NR);
-+
-+ port =
-+ (struct uart_port *)&cpm_uart_ports[index];
-+ pinfo = (struct uart_cpm_port *)port;
-+
-+ /*
-+ * Ensure that the serial console lock is initialised
-+ * early.
-+ */
-+ spin_lock_init(&port->lock);
-+
-+ memset(&termios, 0, sizeof(struct termios));
-+
-+ termios.c_cflag = CREAD | HUPCL | CLOCAL;
-+
-+ termios.c_cflag |= baud;
-+
-+ if (bits == 7)
-+ termios.c_cflag |= CS7;
-+ else
-+ termios.c_cflag |= CS8;
-+
-+ switch (parity) {
-+ case 'o': case 'O':
-+ termios.c_cflag |= PARODD;
-+ /*fall through*/
-+ case 'e': case 'E':
-+ termios.c_cflag |= PARENB;
-+ break;
-+ }
-+
-+ if (flow == 'r')
-+ termios.c_cflag |= CRTSCTS;
-+
-+ port->ops->set_termios(port, &termios, NULL);
-+}
-+
-+/*
-+ * Returns:
-+ * 0 on success, 1 on failure.
-+ */
-+static int kgdb_init(void)
-+{
-+ struct uart_port *port;
-+ struct uart_cpm_port *pinfo;
-+
-+ int use_bootmem = 0; /* use dma by default */
-+
-+ if(!cpm_uart_nr)
-+ {
-+ use_bootmem = 1;
-+ cpm_uart_init_portdesc();
-+ }
-+ port = (struct uart_port *)&cpm_uart_ports[KGDB_PINFO_INDEX];
-+ pinfo = (struct uart_cpm_port *)port;
-+
-+ if (cpm_uart_early_setup(KGDB_PINFO_INDEX, use_bootmem))
-+ return 1;
-+
-+ termios_set_options(KGDB_PINFO_INDEX, KGDB_BAUD,'n',8,'n');
-+ if (IS_SMC(pinfo))
-+ pinfo->smcp->smc_smcm |= SMCM_TX;
-+ else
-+ pinfo->sccp->scc_sccm |= UART_SCCM_TX;
-+
-+ return 0;
-+}
-+
-+
-+struct kgdb_io kgdb_io_ops = {
-+ .read_char = kgdb_get_debug_char,
-+ .write_char = kgdb_put_debug_char,
-+ .init = kgdb_init,
-+};
-+
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/mpsc.c linux-2.6.18-53.1.14.kgdb/drivers/serial/mpsc.c
---- linux-2.6.18-53.1.14/drivers/serial/mpsc.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/mpsc.c 2008-06-10 15:38:14.000000000 +0400
-@@ -242,6 +242,11 @@ struct mpsc_port_info *mpsc_device_remov
- #define MPSC_RCRR 0x0004
- #define MPSC_TCRR 0x0008
-
-+/* MPSC Interrupt registers (offset from MV64x60_SDMA_INTR_OFFSET) */
-+#define MPSC_INTR_CAUSE 0x0004
-+#define MPSC_INTR_MASK 0x0084
-+#define MPSC_INTR_CAUSE_RCC (1<<6)
-+
- /* Serial DMA Controller Interface Registers */
- #define SDMA_SDC 0x0000
- #define SDMA_SDCM 0x0008
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/mpsc_kgdb.c linux-2.6.18-53.1.14.kgdb/drivers/serial/mpsc_kgdb.c
---- linux-2.6.18-53.1.14/drivers/serial/mpsc_kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/mpsc_kgdb.c 2008-06-10 15:38:14.000000000 +0400
-@@ -0,0 +1,299 @@
-+/*
-+ * drivers/serial/mpsc_kgdb.c
-+ *
-+ * KGDB driver for the Marvell MultiProtocol Serial Controller (MPCS)
-+ *
-+ * Based on the polled boot loader driver by Ajit Prem (ajit.prem@motorola.com)
-+ *
-+ * Author: Randy Vinson <rvinson@mvista.com>
-+ *
-+ * 2005 (c) MontaVista Software, Inc.
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2 of the License, or (at your
-+ * option) any later version.
-+ */
-+
-+#include <linux/config.h>
-+#include <linux/kgdb.h>
-+#include <linux/mv643xx.h>
-+#include <linux/device.h>
-+#include <asm/mv64x60.h>
-+#include <asm/serial.h>
-+#include <asm/io.h>
-+#include <asm/delay.h>
-+
-+#include "mpsc.h"
-+
-+/* Speed of the UART. */
-+static int kgdbmpsc_baud = CONFIG_KGDB_BAUDRATE;
-+
-+/* Index of the UART, matches ttyMX naming. */
-+static int kgdbmpsc_ttyMM = CONFIG_KGDB_PORT_NUM;
-+
-+#define MPSC_INTR_REG_SELECT(x) ((x) + (8 * kgdbmpsc_ttyMM))
-+
-+static int kgdbmpsc_init(void);
-+
-+static struct platform_device mpsc_dev, shared_dev;
-+
-+static void __iomem *mpsc_base;
-+static void __iomem *brg_base;
-+static void __iomem *routing_base;
-+static void __iomem *sdma_base;
-+
-+static unsigned int mpsc_irq;
-+
-+static void kgdb_write_debug_char(int c)
-+{
-+ u32 data;
-+
-+ data = readl(mpsc_base + MPSC_MPCR);
-+ writeb(c, mpsc_base + MPSC_CHR_1);
-+ mb();
-+ data = readl(mpsc_base + MPSC_CHR_2);
-+ data |= MPSC_CHR_2_TTCS;
-+ writel(data, mpsc_base + MPSC_CHR_2);
-+ mb();
-+
-+ while (readl(mpsc_base + MPSC_CHR_2) & MPSC_CHR_2_TTCS) ;
-+}
-+
-+static int kgdb_get_debug_char(void)
-+{
-+ unsigned char c;
-+
-+ while (!(readl(sdma_base + MPSC_INTR_REG_SELECT(MPSC_INTR_CAUSE)) &
-+ MPSC_INTR_CAUSE_RCC)) ;
-+
-+ c = readb(mpsc_base + MPSC_CHR_10 + (1 << 1));
-+ mb();
-+ writeb(c, mpsc_base + MPSC_CHR_10 + (1 << 1));
-+ mb();
-+ writel(~MPSC_INTR_CAUSE_RCC, sdma_base +
-+ MPSC_INTR_REG_SELECT(MPSC_INTR_CAUSE));
-+ return (c);
-+}
-+
-+/*
-+ * This is the receiver interrupt routine for the GDB stub.
-+ * All that we need to do is verify that the interrupt happened on the
-+ * line we're in charge of. If this is true, schedule a breakpoint and
-+ * return.
-+ */
-+static irqreturn_t
-+kgdbmpsc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-+{
-+ if (irq != mpsc_irq)
-+ return IRQ_NONE;
-+ /*
-+ * If there is some other CPU in KGDB then this is a
-+ * spurious interrupt. so return without even checking a byte
-+ */
-+ if (atomic_read(&debugger_active))
-+ return IRQ_NONE;
-+
-+ if (readl(sdma_base + MPSC_INTR_REG_SELECT(MPSC_INTR_CAUSE)) &
-+ MPSC_INTR_CAUSE_RCC)
-+ breakpoint();
-+
-+ return IRQ_HANDLED;
-+}
-+
-+static int __init kgdbmpsc_init(void)
-+{
-+ struct mpsc_pdata *pdata;
-+ u32 cdv;
-+
-+ if (!brg_base || !mpsc_base || !routing_base || !sdma_base)
-+ return -1;
-+
-+ /* Set MPSC Routing to enable both ports */
-+ writel(0x0, routing_base + MPSC_MRR);
-+
-+ /* MPSC 0/1 Rx & Tx get clocks BRG0/1 */
-+ writel(0x00000100, routing_base + MPSC_RCRR);
-+ writel(0x00000100, routing_base + MPSC_TCRR);
-+
-+ /* Disable all MPSC interrupts and clear any pending interrupts */
-+ writel(0, sdma_base + MPSC_INTR_REG_SELECT(MPSC_INTR_MASK));
-+ writel(0, sdma_base + MPSC_INTR_REG_SELECT(MPSC_INTR_CAUSE));
-+
-+ pdata = (struct mpsc_pdata *)mpsc_dev.dev.platform_data;
-+
-+ /* cdv = (clock/(2*16*baud rate)) for 16X mode. */
-+ cdv = ((pdata->brg_clk_freq / (32 * kgdbmpsc_baud)) - 1);
-+ writel((pdata->brg_clk_src << 18) | (1 << 16) | cdv,
-+ brg_base + BRG_BCR);
-+
-+ /* Put MPSC into UART mode, no null modem, 16x clock mode */
-+ writel(0x000004c4, mpsc_base + MPSC_MMCRL);
-+ writel(0x04400400, mpsc_base + MPSC_MMCRH);
-+
-+ writel(0, mpsc_base + MPSC_CHR_1);
-+ writel(0, mpsc_base + MPSC_CHR_9);
-+ writel(0, mpsc_base + MPSC_CHR_10);
-+ writel(4, mpsc_base + MPSC_CHR_3);
-+ writel(0x20000000, mpsc_base + MPSC_CHR_4);
-+ writel(0x9000, mpsc_base + MPSC_CHR_5);
-+ writel(0, mpsc_base + MPSC_CHR_6);
-+ writel(0, mpsc_base + MPSC_CHR_7);
-+ writel(0, mpsc_base + MPSC_CHR_8);
-+
-+ /* 8 data bits, 1 stop bit */
-+ writel((3 << 12), mpsc_base + MPSC_MPCR);
-+
-+ /* Enter "hunt" mode */
-+ writel((1 << 31), mpsc_base + MPSC_CHR_2);
-+
-+ udelay(100);
-+ return 0;
-+}
-+
-+static void __iomem *__init
-+kgdbmpsc_map_resource(struct platform_device *pd, int type, int num)
-+{
-+ void __iomem *base = NULL;
-+ struct resource *r;
-+
-+ if ((r = platform_get_resource(pd, IORESOURCE_MEM, num)))
-+ base = ioremap(r->start, r->end - r->start + 1);
-+ return base;
-+}
-+
-+static void __iomem *__init
-+kgdbmpsc_unmap_resource(struct platform_device *pd, int type, int num,
-+ void __iomem * base)
-+{
-+ if (base)
-+ iounmap(base);
-+ return NULL;
-+}
-+
-+static void __init
-+kgdbmpsc_reserve_resource(struct platform_device *pd, int type, int num)
-+{
-+ struct resource *r;
-+
-+ if ((r = platform_get_resource(pd, IORESOURCE_MEM, num)))
-+ request_mem_region(r->start, r->end - r->start + 1, "kgdb");
-+}
-+
-+static int __init kgdbmpsc_local_init(void)
-+{
-+ if (!mpsc_dev.num_resources || !shared_dev.num_resources)
-+ return 1; /* failure */
-+
-+ mpsc_base = kgdbmpsc_map_resource(&mpsc_dev, IORESOURCE_MEM,
-+ MPSC_BASE_ORDER);
-+ brg_base = kgdbmpsc_map_resource(&mpsc_dev, IORESOURCE_MEM,
-+ MPSC_BRG_BASE_ORDER);
-+
-+ /* get the platform data for the shared registers and get them mapped */
-+ routing_base = kgdbmpsc_map_resource(&shared_dev,
-+ IORESOURCE_MEM,
-+ MPSC_ROUTING_BASE_ORDER);
-+ sdma_base =
-+ kgdbmpsc_map_resource(&shared_dev, IORESOURCE_MEM,
-+ MPSC_SDMA_INTR_BASE_ORDER);
-+
-+ mpsc_irq = platform_get_irq(&mpsc_dev, 1);
-+
-+ if (mpsc_base && brg_base && routing_base && sdma_base)
-+ return 0; /* success */
-+
-+ return 1; /* failure */
-+}
-+
-+static void __init kgdbmpsc_local_exit(void)
-+{
-+ if (sdma_base)
-+ sdma_base = kgdbmpsc_unmap_resource(&shared_dev, IORESOURCE_MEM,
-+ MPSC_SDMA_INTR_BASE_ORDER,
-+ sdma_base);
-+ if (routing_base)
-+ routing_base = kgdbmpsc_unmap_resource(&shared_dev,
-+ IORESOURCE_MEM,
-+ MPSC_ROUTING_BASE_ORDER,
-+ routing_base);
-+ if (brg_base)
-+ brg_base = kgdbmpsc_unmap_resource(&mpsc_dev, IORESOURCE_MEM,
-+ MPSC_BRG_BASE_ORDER,
-+ brg_base);
-+ if (mpsc_base)
-+ mpsc_base = kgdbmpsc_unmap_resource(&mpsc_dev, IORESOURCE_MEM,
-+ MPSC_BASE_ORDER, mpsc_base);
-+}
-+
-+static void __init kgdbmpsc_update_pdata(struct platform_device *pdev)
-+{
-+
-+ snprintf(pdev->dev.bus_id, BUS_ID_SIZE, "%s%u", pdev->name, pdev->id);
-+}
-+
-+static int __init kgdbmpsc_pdev_init(void)
-+{
-+ struct platform_device *pdev;
-+
-+ /* get the platform data for the specified port. */
-+ pdev = mv64x60_early_get_pdev_data(MPSC_CTLR_NAME, kgdbmpsc_ttyMM, 1);
-+ if (pdev) {
-+ memcpy(&mpsc_dev, pdev, sizeof(struct platform_device));
-+ if (platform_notify) {
-+ kgdbmpsc_update_pdata(&mpsc_dev);
-+ platform_notify(&mpsc_dev.dev);
-+ }
-+
-+ /* get the platform data for the shared registers. */
-+ pdev = mv64x60_early_get_pdev_data(MPSC_SHARED_NAME, 0, 0);
-+ if (pdev) {
-+ memcpy(&shared_dev, pdev,
-+ sizeof(struct platform_device));
-+ if (platform_notify) {
-+ kgdbmpsc_update_pdata(&shared_dev);
-+ platform_notify(&shared_dev.dev);
-+ }
-+ }
-+ }
-+ return 0;
-+}
-+
-+postcore_initcall(kgdbmpsc_pdev_init);
-+
-+static int __init kgdbmpsc_init_io(void)
-+{
-+
-+ kgdbmpsc_pdev_init();
-+
-+ if (kgdbmpsc_local_init()) {
-+ kgdbmpsc_local_exit();
-+ return -1;
-+ }
-+
-+ if (kgdbmpsc_init() == -1)
-+ return -1;
-+ return 0;
-+}
-+
-+static void __init kgdbmpsc_hookup_irq(void)
-+{
-+ unsigned int msk;
-+ if (!request_irq(mpsc_irq, kgdbmpsc_interrupt, 0, "kgdb mpsc", NULL)) {
-+ /* Enable interrupt */
-+ msk = readl(sdma_base + MPSC_INTR_REG_SELECT(MPSC_INTR_MASK));
-+ msk |= MPSC_INTR_CAUSE_RCC;
-+ writel(msk, sdma_base + MPSC_INTR_REG_SELECT(MPSC_INTR_MASK));
-+
-+ kgdbmpsc_reserve_resource(&mpsc_dev, IORESOURCE_MEM,
-+ MPSC_BASE_ORDER);
-+ kgdbmpsc_reserve_resource(&mpsc_dev, IORESOURCE_MEM,
-+ MPSC_BRG_BASE_ORDER);
-+ }
-+}
-+
-+struct kgdb_io kgdb_io_ops = {
-+ .read_char = kgdb_get_debug_char,
-+ .write_char = kgdb_write_debug_char,
-+ .init = kgdbmpsc_init_io,
-+ .late_init = kgdbmpsc_hookup_irq,
-+};
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/pxa.c linux-2.6.18-53.1.14.kgdb/drivers/serial/pxa.c
---- linux-2.6.18-53.1.14/drivers/serial/pxa.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/pxa.c 2008-06-10 15:38:56.000000000 +0400
-@@ -42,6 +42,9 @@
- #include <linux/tty.h>
- #include <linux/tty_flip.h>
- #include <linux/serial_core.h>
-+#ifdef CONFIG_KGDB_CONSOLE
-+#include <linux/kgdb.h>
-+#endif
-
- #include <asm/io.h>
- #include <asm/hardware.h>
-@@ -692,6 +695,8 @@ serial_pxa_console_init(void)
- console_initcall(serial_pxa_console_init);
-
- #define PXA_CONSOLE &serial_pxa_console
-+#elif defined(CONFIG_KGDB_CONSOLE)
-+#define PXA_CONSOLE &kgdbcons
- #else
- #define PXA_CONSOLE NULL
- #endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/serial_core.c linux-2.6.18-53.1.14.kgdb/drivers/serial/serial_core.c
---- linux-2.6.18-53.1.14/drivers/serial/serial_core.c 2008-03-06 05:54:07.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/serial_core.c 2008-06-10 15:37:43.000000000 +0400
-@@ -33,6 +33,7 @@
- #include <linux/serial.h> /* for serial_state and serial_icounter_struct */
- #include <linux/delay.h>
- #include <linux/mutex.h>
-+#include <linux/kgdb.h>
-
- #include <asm/irq.h>
- #include <asm/uaccess.h>
-@@ -65,6 +66,12 @@ static struct lock_class_key port_lock_k
- #define uart_console(port) (0)
- #endif
-
-+#ifdef CONFIG_KGDB_CONSOLE
-+#define uart_kgdb(port) (port->cons && !strcmp(port->cons->name, "kgdb"))
-+#else
-+#define uart_kgdb(port) (0)
-+#endif
-+
- static void uart_change_speed(struct uart_state *state, struct termios *old_termios);
- static void uart_wait_until_sent(struct tty_struct *tty, int timeout);
- static void uart_change_pm(struct uart_state *state, int pm_state);
-@@ -1673,6 +1680,9 @@ static int uart_line_info(char *buf, str
- port->iotype == UPIO_MEM ? port->mapbase :
- (unsigned long) port->iobase,
- port->irq);
-+ if (port->iotype == UPIO_MEM)
-+ ret += sprintf(buf+ret, " membase 0x%08lX",
-+ (unsigned long) port->membase);
-
- if (port->type == PORT_UNKNOWN) {
- strcat(buf, "\n");
-@@ -2043,7 +2053,8 @@ uart_report_port(struct uart_driver *drv
- case UPIO_AU:
- case UPIO_TSI:
- snprintf(address, sizeof(address),
-- "MMIO 0x%lx", port->mapbase);
-+ "MMIO map 0x%lx mem 0x%lx", port->mapbase,
-+ (unsigned long) port->membase);
- break;
- default:
- strlcpy(address, "*unknown*", sizeof(address));
-@@ -2095,9 +2106,9 @@ uart_configure_port(struct uart_driver *
-
- /*
- * Power down all ports by default, except the
-- * console if we have one.
-+ * console (real or kgdb) if we have one.
- */
-- if (!uart_console(port))
-+ if (!uart_console(port) && !uart_kgdb(port))
- uart_change_pm(state, 3);
- }
- }
-@@ -2289,6 +2300,12 @@ int uart_add_one_port(struct uart_driver
- */
- port->flags &= ~UPF_DEAD;
-
-+#if defined(CONFIG_KGDB_8250)
-+ /* Add any 8250-like ports we find later. */
-+ if (port->type <= PORT_MAX_8250)
-+ kgdb8250_add_port(port->line, port);
-+#endif
-+
- out:
- mutex_unlock(&state->mutex);
- mutex_unlock(&port_mutex);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/serial_txx9.c linux-2.6.18-53.1.14.kgdb/drivers/serial/serial_txx9.c
---- linux-2.6.18-53.1.14/drivers/serial/serial_txx9.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/serial_txx9.c 2008-06-10 15:38:24.000000000 +0400
-@@ -1164,6 +1164,96 @@ static struct pci_driver serial_txx9_pci
- MODULE_DEVICE_TABLE(pci, serial_txx9_pci_tbl);
- #endif /* ENABLE_SERIAL_TXX9_PCI */
-
-+/******************************************************************************/
-+/* BEG: KDBG Routines */
-+/******************************************************************************/
-+
-+#ifdef CONFIG_KGDB
-+int kgdb_init_count = 0;
-+
-+void txx9_sio_kgdb_hook(unsigned int port, unsigned int baud_rate)
-+{
-+ static struct resource kgdb_resource;
-+ int ret;
-+ struct uart_txx9_port *up = &serial_txx9_ports[port];
-+
-+ /* prevent initialization by driver */
-+ kgdb_resource.name = "serial_txx9(debug)";
-+ kgdb_resource.start = (unsigned long)up->port.membase;
-+ kgdb_resource.end = (unsigned long)(up->port.membase + 36 - 1);
-+ kgdb_resource.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
-+
-+ ret = request_resource(&iomem_resource, &kgdb_resource);
-+ if(ret == -EBUSY)
-+ printk(" serial_txx9(debug): request_resource failed\n");
-+
-+ return;
-+}
-+void
-+txx9_sio_kdbg_init( unsigned int port_number )
-+{
-+ if (port_number == 1) {
-+ txx9_sio_kgdb_hook(port_number, 38400);
-+ } else {
-+ printk("Bad Port Number [%u] != [1]\n",port_number);
-+ }
-+ return;
-+}
-+
-+u8
-+txx9_sio_kdbg_rd( void )
-+{
-+ unsigned int status,ch;
-+ struct uart_txx9_port *up = &serial_txx9_ports[1];
-+
-+ if (kgdb_init_count == 0) {
-+ txx9_sio_kdbg_init(1);
-+ kgdb_init_count = 1;
-+ }
-+
-+ while (1) {
-+ status = sio_in(up, TXX9_SIDISR);
-+ if ( status & 0x1f ) {
-+ ch = sio_in(up, TXX9_SIRFIFO );
-+ break;
-+ }
-+ }
-+
-+ return (ch);
-+}
-+
-+int
-+txx9_sio_kdbg_wr( u8 ch )
-+{
-+ unsigned int status;
-+ struct uart_txx9_port *up = &serial_txx9_ports[1];
-+
-+ if (kgdb_init_count == 0) {
-+ txx9_sio_kdbg_init(1);
-+ kgdb_init_count = 1;
-+ }
-+
-+ while (1) {
-+ status = sio_in(up, TXX9_SICISR);
-+ if (status & TXX9_SICISR_TRDY) {
-+ if ( ch == '\n' ) {
-+ txx9_sio_kdbg_wr( '\r' );
-+ }
-+ sio_out(up, TXX9_SITFIFO, (u32)ch );
-+
-+ break;
-+ }
-+ }
-+
-+ return (1);
-+}
-+#endif /* CONFIG_KGDB */
-+
-+
-+/******************************************************************************/
-+/* END: KDBG Routines */
-+/******************************************************************************/
-+
- static int __init serial_txx9_init(void)
- {
- int ret;
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/drivers/serial/sh-sci.c linux-2.6.18-53.1.14.kgdb/drivers/serial/sh-sci.c
---- linux-2.6.18-53.1.14/drivers/serial/sh-sci.c 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/drivers/serial/sh-sci.c 2008-06-10 15:38:50.000000000 +0400
-@@ -42,6 +42,7 @@
- #include <linux/console.h>
- #include <linux/bitops.h>
- #include <linux/generic_serial.h>
-+#include <linux/kgdb.h>
-
- #ifdef CONFIG_CPU_FREQ
- #include <linux/notifier.h>
-@@ -67,14 +68,16 @@
-
- #include "sh-sci.h"
-
--#ifdef CONFIG_SH_KGDB
--#include <asm/kgdb.h>
--
--static int kgdb_get_char(struct sci_port *port);
--static void kgdb_put_char(struct sci_port *port, char c);
--static void kgdb_handle_error(struct sci_port *port);
--static struct sci_port *kgdb_sci_port;
--#endif /* CONFIG_SH_KGDB */
-+#ifdef CONFIG_KGDB_SH_SCI
-+/* Speed of the UART. */
-+static int kgdbsci_baud = CONFIG_KGDB_BAUDRATE
-+
-+/* Index of the UART, matches ttySCX naming. */
-+static int kgdbsci_ttySC = CONFIG_KGDB_PORT_NUM;
-+
-+/* Make life easier on us. */
-+#define KGDBPORT sci_ports[kgdbsci_ttySC]
-+#endif /* CONFIG_KGDB_SH_SCI */
-
- #ifdef CONFIG_SERIAL_SH_SCI_CONSOLE
- static struct sci_port *serial_console_port = 0;
-@@ -87,20 +90,17 @@ static void sci_start_rx(struct uart_por
- static void sci_stop_rx(struct uart_port *port);
- static int sci_request_irq(struct sci_port *port);
- static void sci_free_irq(struct sci_port *port);
-+static void sci_set_termios(struct uart_port *port, struct termios *termios,
-+ struct termios *old);
-+static int kgdbsci_init(void);
-
- static struct sci_port sci_ports[];
- static struct uart_driver sci_uart_driver;
-
- #define SCI_NPORTS sci_uart_driver.nr
-
--#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
--
--static void handle_error(struct uart_port *port)
--{ /* Clear error flags */
-- sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port));
--}
--
--static int get_char(struct uart_port *port)
-+#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_KGDB_SH_SCI)
-+static int get_char_for_gdb(struct uart_port *port)
- {
- unsigned long flags;
- unsigned short status;
-@@ -110,7 +110,8 @@ static int get_char(struct uart_port *po
- do {
- status = sci_in(port, SCxSR);
- if (status & SCxSR_ERRORS(port)) {
-- handle_error(port);
-+ /* Clear error flags. */
-+ sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port));
- continue;
- }
- } while (!(status & SCxSR_RDxF(port)));
-@@ -121,21 +122,7 @@ static int get_char(struct uart_port *po
-
- return c;
- }
--
--/* Taken from sh-stub.c of GDB 4.18 */
--static const char hexchars[] = "0123456789abcdef";
--
--static __inline__ char highhex(int x)
--{
-- return hexchars[(x >> 4) & 0xf];
--}
--
--static __inline__ char lowhex(int x)
--{
-- return hexchars[x & 0xf];
--}
--
--#endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_SH_KGDB */
-+#endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_KGDB_SH_SCI */
-
- /*
- * Send the packet in buffer. The host gets one chance to read it.
-@@ -167,21 +154,14 @@ static void put_string(struct sci_port *
- const unsigned char *p = buffer;
- int i;
-
--#if defined(CONFIG_SH_STANDARD_BIOS) || defined(CONFIG_SH_KGDB)
-+#ifdef CONFIG_SH_STANDARD_BIOS
- int checksum;
-- int usegdb=0;
-+ const char hexchars[] = "0123456789abcdef";
-
--#ifdef CONFIG_SH_STANDARD_BIOS
- /* This call only does a trap the first time it is
- * called, and so is safe to do here unconditionally
- */
-- usegdb |= sh_bios_in_gdb_mode();
--#endif
--#ifdef CONFIG_SH_KGDB
-- usegdb |= (kgdb_in_gdb_mode && (port == kgdb_sci_port));
--#endif
--
-- if (usegdb) {
-+ if (sh_bios_in_gdb_mode()) {
- /* $<packet info>#<checksum>. */
- do {
- unsigned char c;
-@@ -193,18 +173,18 @@ static void put_string(struct sci_port *
- int h, l;
-
- c = *p++;
-- h = highhex(c);
-- l = lowhex(c);
-+ h = hexchars[c >> 4];
-+ l = hexchars[c % 16];
- put_char(port, h);
- put_char(port, l);
- checksum += h + l;
- }
- put_char(port, '#');
-- put_char(port, highhex(checksum));
-- put_char(port, lowhex(checksum));
-+ put_char(port, hexchars[checksum >> 4]);
-+ put_char(port, hexchars[checksum % 16]);
- } while (get_char(port) != '+');
- } else
--#endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_SH_KGDB */
-+#endif /* CONFIG_SH_STANDARD_BIOS */
- for (i=0; i<count; i++) {
- if (*p == 10)
- put_char(port, '\r');
-@@ -214,90 +194,163 @@ static void put_string(struct sci_port *
- #endif /* CONFIG_SERIAL_SH_SCI_CONSOLE */
-
-
--#ifdef CONFIG_SH_KGDB
--
--/* Is the SCI ready, ie is there a char waiting? */
--static int kgdb_is_char_ready(struct sci_port *port)
-+#ifdef CONFIG_KGDB_SH_SCI
-+static int kgdbsci_read_char(void)
- {
-- unsigned short status = sci_in(port, SCxSR);
--
-- if (status & (SCxSR_ERRORS(port) | SCxSR_BRK(port)))
-- kgdb_handle_error(port);
--
-- return (status & SCxSR_RDxF(port));
-+ return get_char_for_gdb(&KGDBPORT.port);
- }
-
--/* Write a char */
--static void kgdb_put_char(struct sci_port *port, char c)
-+/* Called from kgdbstub.c to put a character, just a wrapper */
-+static void kgdbsci_write_char(int c)
- {
- unsigned short status;
-
- do
-- status = sci_in(port, SCxSR);
-- while (!(status & SCxSR_TDxE(port)));
-+ status = sci_in(&KGDBPORT.port, SCxSR);
-+ while (!(status & SCxSR_TDxE(&KGDBPORT.port)));
-
-- sci_out(port, SCxTDR, c);
-- sci_in(port, SCxSR); /* Dummy read */
-- sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port));
-+ sci_out(&KGDBPORT.port, SCxTDR, c);
-+ sci_in(&KGDBPORT.port, SCxSR); /* Dummy read */
-+ sci_out(&KGDBPORT.port, SCxSR, SCxSR_TDxE_CLEAR(&KGDBPORT.port));
- }
-
--/* Get a char if there is one, else ret -1 */
--static int kgdb_get_char(struct sci_port *port)
-+#ifndef CONFIG_SERIAL_SH_SCI_CONSOLE
-+/* If we don't have console, we never hookup IRQs. But we need to
-+ * hookup one so that we can interrupt the system.
-+ */
-+static irqreturn_t kgdbsci_rx_interrupt(int irq, void *ptr,
-+ struct pt_regs *regs)
- {
-- int c;
-+ struct uart_port *port = ptr;
-
-- if (kgdb_is_char_ready(port) == 0)
-- c = -1;
-- else {
-- c = sci_in(port, SCxRDR);
-- sci_in(port, SCxSR); /* Dummy read */
-+ if (!(sci_in(port, SCxSR) & SCxSR_RDxF(port)))
-+ return IRQ_NONE;
-+
-+ if (kgdb_io_ops.init != kgdbsci_init) {
-+ /* Throw away the data if another I/O routine is active */
-+ get_char_for_gdb(&KGDBPORT.port);
-+ } else
-+ /* We've got an interrupt, so go ahead and call breakpoint() */
-+ breakpoint();
-+
-+ sci_in(port, SCxSR); /* dummy read */
- sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port));
-- }
-
-- return c;
-+ return IRQ_HANDLED;
- }
-
--/* Called from kgdbstub.c to get a character, i.e. is blocking */
--static int kgdb_sci_getchar(void)
-+static irqreturn_t kgdbsci_mpxed_interrupt(int irq, void *ptr,
-+ struct pt_regs *regs)
- {
-- volatile int c;
--
-- /* Keep trying to read a character, this could be neater */
-- while ((c = kgdb_get_char(kgdb_sci_port)) < 0);
-+ unsigned short ssr_status, scr_status;
-+ struct uart_port *port = ptr;
-
-- return c;
--}
-+ ssr_status = sci_in(port,SCxSR);
-+ scr_status = sci_in(port,SCSCR);
-
--/* Called from kgdbstub.c to put a character, just a wrapper */
--static void kgdb_sci_putchar(int c)
--{
-+ /* Rx Interrupt */
-+ if ((ssr_status&0x0002) && (scr_status&0x0040))
-+ kgdbsci_rx_interrupt(irq, ptr, regs);
-
-- kgdb_put_char(kgdb_sci_port, c);
-+ return IRQ_HANDLED;
- }
-
--/* Clear any errors on the SCI */
--static void kgdb_handle_error(struct sci_port *port)
-+static void __init kgdbsci_lateinit(void)
- {
-- sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port)); /* Clear error flags */
-+ if (KGDBPORT.irqs[0] == KGDBPORT.irqs[1]) {
-+ if (!KGDBPORT.irqs[0]) {
-+ printk(KERN_ERR "kgdbsci: Cannot allocate irq.\n");
-+ return;
-+ }
-+ if (request_irq(KGDBPORT.irqs[0], kgdbsci_mpxed_interrupt,
-+ SA_INTERRUPT, "kgdbsci",
-+ &KGDBPORT.port)) {
-+ printk(KERN_ERR "kgdbsci: Cannot allocate irq.\n");
-+ return;
-+ }
-+ } else {
-+ if (KGDBPORT.irqs[1])
-+ request_irq(KGDBPORT.irqs[1],
-+ kgdbsci_rx_interrupt, SA_INTERRUPT,
-+ "kgdbsci", &KGDBPORT.port);
-+ }
- }
-+#endif
-
--/* Breakpoint if there's a break sent on the serial port */
--static void kgdb_break_interrupt(int irq, void *ptr, struct pt_regs *regs)
-+/*
-+ * We use the normal init routine to setup the port, so we can't be
-+ * in here too early.
-+ */
-+static int kgdbsci_init(void)
- {
-- struct sci_port *port = ptr;
-- unsigned short status = sci_in(port, SCxSR);
--
-- if (status & SCxSR_BRK(port)) {
-+ struct termios termios;
-
-- /* Break into the debugger if a break is detected */
-- BREAKPOINT();
-+ memset(&termios, 0, sizeof(struct termios));
-
-- /* Clear */
-- sci_out(port, SCxSR, SCxSR_BREAK_CLEAR(port));
-+ termios.c_cflag = CREAD | HUPCL | CLOCAL | CS8;
-+ switch (kgdbsci_baud) {
-+ case 9600:
-+ termios.c_cflag |= B9600;
-+ break;
-+ case 19200:
-+ termios.c_cflag |= B19200;
-+ break;
-+ case 38400:
-+ termios.c_cflag |= B38400;
-+ break;
-+ case 57600:
-+ termios.c_cflag |= B57600;
-+ break;
-+ case 115200:
-+ termios.c_cflag |= B115200;
-+ break;
- }
-+ sci_set_termios(&KGDBPORT.port, &termios, NULL);
-+
-+ return 0;
- }
-
--#endif /* CONFIG_SH_KGDB */
-+struct kgdb_io kgdb_io_ops = {
-+ .read_char = kgdbsci_read_char,
-+ .write_char = kgdbsci_write_char,
-+ .init = kgdbsci_init,
-+#ifndef CONFIG_SERIAL_SH_SCI_CONSOLE
-+ .late_init = kgdbsci_lateinit,
-+#else /* ! CONFIG_SERIAL_SH_SCI_CONSOLE */
-+ .late_init = NULL,
-+#endif /* ! CONFIG_SERIAL_SH_SCI_CONSOLE */
-+ .pre_exception = NULL,
-+ .post_exception = NULL
-+};
-+
-+/*
-+ * Syntax for this cmdline option is "kgdbsci=ttyno,baudrate".
-+ */
-+static int __init
-+kgdbsci_opt(char *str)
-+{
-+ /* We might have anywhere from 1 to 3 ports. */
-+ if (*str < '0' || *str > SCI_NPORTS + '0')
-+ goto errout;
-+ kgdbsci_ttySC = *str - '0';
-+ str++;
-+ if (*str != ',')
-+ goto errout;
-+ str++;
-+ kgdbsci_baud = simple_strtoul(str, &str, 10);
-+ if (kgdbsci_baud != 9600 && kgdbsci_baud != 19200 &&
-+ kgdbsci_baud != 38400 && kgdbsci_baud != 57600 &&
-+ kgdbsci_baud != 115200)
-+ goto errout;
-+
-+ return 0;
-+
-+errout:
-+ printk(KERN_ERR "Invalid syntax for option kgdbsci=\n");
-+ return 1;
-+}
-+__setup("kgdbsci", kgdbsci_opt);
-+#endif /* CONFIG_KGDB_SH_SCI */
-
- #if defined(__H8300S__)
- enum { sci_disable, sci_enable };
-@@ -555,6 +608,16 @@ static inline void sci_receive_chars(str
- continue;
- }
-
-+#ifdef CONFIG_KGDB_SH_SCI
-+ /* We assume that a ^C on the port KGDB
-+ * is using means that KGDB wants to
-+ * interrupt the running system.
-+ */
-+ if (port->line == KGDBPORT.port.line &&
-+ c == 3)
-+ breakpoint();
-+#endif
-+
- /* Store data and status */
- if (status&SCxSR_FER(port)) {
- flag = TTY_FRAME;
-@@ -1618,6 +1681,7 @@ static int __init sci_console_init(void)
- console_initcall(sci_console_init);
- #endif /* CONFIG_SERIAL_SH_SCI_CONSOLE */
-
-+#if 0
- #ifdef CONFIG_SH_KGDB
- /*
- * FIXME: Most of this can go away.. at the moment, we rely on
-@@ -1663,30 +1727,9 @@ int __init kgdb_console_setup(struct con
- return uart_set_options(port, co, baud, parity, bits, flow);
- }
- #endif /* CONFIG_SH_KGDB */
-+#endif /* 0 */
-
--#ifdef CONFIG_SH_KGDB_CONSOLE
--static struct console kgdb_console = {
-- .name = "ttySC",
-- .write = kgdb_console_write,
-- .setup = kgdb_console_setup,
-- .flags = CON_PRINTBUFFER | CON_ENABLED,
-- .index = -1,
-- .data = &sci_uart_driver,
--};
--
--/* Register the KGDB console so we get messages (d'oh!) */
--static int __init kgdb_console_init(void)
--{
-- register_console(&kgdb_console);
-- return 0;
--}
--
--console_initcall(kgdb_console_init);
--#endif /* CONFIG_SH_KGDB_CONSOLE */
--
--#if defined(CONFIG_SH_KGDB_CONSOLE)
--#define SCI_CONSOLE &kgdb_console
--#elif defined(CONFIG_SERIAL_SH_SCI_CONSOLE)
-+#ifdef CONFIG_SERIAL_SH_SCI_CONSOLE
- #define SCI_CONSOLE &serial_console
- #else
- #define SCI_CONSOLE 0
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-arm/kgdb.h linux-2.6.18-53.1.14.kgdb/include/asm-arm/kgdb.h
---- linux-2.6.18-53.1.14/include/asm-arm/kgdb.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-arm/kgdb.h 2008-06-10 15:39:01.000000000 +0400
-@@ -0,0 +1,92 @@
-+/*
-+ * include/asm-arm/kgdb.h
-+ *
-+ * ARM KGDB support
-+ *
-+ * Author: Deepak Saxena <dsaxena@mvista.com>
-+ *
-+ * Copyright (C) 2002 MontaVista Software Inc.
-+ *
-+ */
-+
-+#ifndef __ASM_KGDB_H__
-+#define __ASM_KGDB_H__
-+
-+#include <linux/config.h>
-+#include <asm/ptrace.h>
-+#include <asm-generic/kgdb.h>
-+
-+
-+/*
-+ * GDB assumes that we're a user process being debugged, so
-+ * it will send us an SWI command to write into memory as the
-+ * debug trap. When an SWI occurs, the next instruction addr is
-+ * placed into R14_svc before jumping to the vector trap.
-+ * This doesn't work for kernel debugging as we are already in SVC
-+ * we would loose the kernel's LR, which is a bad thing. This
-+ * is bad thing.
-+ *
-+ * By doing this as an undefined instruction trap, we force a mode
-+ * switch from SVC to UND mode, allowing us to save full kernel state.
-+ *
-+ * We also define a KGDB_COMPILED_BREAK which can be used to compile
-+ * in breakpoints. This is important for things like sysrq-G and for
-+ * the initial breakpoint from trap_init().
-+ *
-+ * Note to ARM HW designers: Add real trap support like SH && PPC to
-+ * make our lives much much simpler. :)
-+ */
-+#define BREAK_INSTR_SIZE 4
-+#define GDB_BREAKINST 0xef9f0001
-+#define KGDB_BREAKINST 0xe7ffdefe
-+#define KGDB_COMPILED_BREAK 0xe7ffdeff
-+#define CACHE_FLUSH_IS_SAFE 1
-+
-+#ifndef __ASSEMBLY__
-+
-+#define BREAKPOINT() asm(".word 0xe7ffdeff")
-+
-+
-+extern void kgdb_handle_bus_error(void);
-+extern int kgdb_fault_expected;
-+#endif /* !__ASSEMBLY__ */
-+
-+/*
-+ * From Amit S. Kale:
-+ *
-+ * In the register packet, words 0-15 are R0 to R10, FP, IP, SP, LR, PC. But
-+ * Register 16 isn't cpsr. GDB passes CPSR in word 25. There are 9 words in
-+ * between which are unused. Passing only 26 words to gdb is sufficient.
-+ * GDB can figure out that floating point registers are not passed.
-+ * GDB_MAX_REGS should be 26.
-+ */
-+#define GDB_MAX_REGS (26)
-+
-+#define KGDB_MAX_NO_CPUS 1
-+#define BUFMAX 400
-+#define NUMREGBYTES (GDB_MAX_REGS << 2)
-+#define NUMCRITREGBYTES (32 << 2)
-+
-+#define _R0 0
-+#define _R1 1
-+#define _R2 2
-+#define _R3 3
-+#define _R4 4
-+#define _R5 5
-+#define _R6 6
-+#define _R7 7
-+#define _R8 8
-+#define _R9 9
-+#define _R10 10
-+#define _FP 11
-+#define _IP 12
-+#define _SP 13
-+#define _LR 14
-+#define _PC 15
-+#define _CPSR (GDB_MAX_REGS - 1)
-+
-+/* So that we can denote the end of a frame for tracing, in the simple
-+ * case. */
-+#define CFI_END_FRAME(func) __CFI_END_FRAME(_PC,_SP,func)
-+
-+#endif /* __ASM_KGDB_H__ */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-arm/system.h linux-2.6.18-53.1.14.kgdb/include/asm-arm/system.h
---- linux-2.6.18-53.1.14/include/asm-arm/system.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-arm/system.h 2008-06-10 15:38:56.000000000 +0400
-@@ -444,6 +444,47 @@ static inline unsigned long __xchg(unsig
- extern void disable_hlt(void);
- extern void enable_hlt(void);
-
-+#define __HAVE_ARCH_CMPXCHG 1
-+
-+#include <asm/types.h>
-+
-+static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old,
-+ unsigned long new)
-+{
-+ u32 retval;
-+ unsigned long flags;
-+
-+ local_irq_save(flags);
-+ retval = *m;
-+ if (retval == old)
-+ *m = new;
-+ local_irq_restore(flags); /* implies memory barrier */
-+
-+ return retval;
-+}
-+
-+/* This function doesn't exist, so you'll get a linker error
-+ if something tries to do an invalid cmpxchg(). */
-+extern void __cmpxchg_called_with_bad_pointer(void);
-+
-+static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
-+ unsigned long new, int size)
-+{
-+ switch (size) {
-+ case 4:
-+ return __cmpxchg_u32(ptr, old, new);
-+ }
-+ __cmpxchg_called_with_bad_pointer();
-+ return old;
-+}
-+
-+#define cmpxchg(ptr,o,n) \
-+ ({ \
-+ __typeof__(*(ptr)) _o_ = (o); \
-+ __typeof__(*(ptr)) _n_ = (n); \
-+ (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
-+ (unsigned long)_n_, sizeof(*(ptr))); \
-+ })
- #endif /* __ASSEMBLY__ */
-
- #define arch_align_stack(x) (x)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-generic/kgdb.h linux-2.6.18-53.1.14.kgdb/include/asm-generic/kgdb.h
---- linux-2.6.18-53.1.14/include/asm-generic/kgdb.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-generic/kgdb.h 2008-06-10 15:39:01.000000000 +0400
-@@ -0,0 +1,34 @@
-+/*
-+ * include/asm-generic/kgdb.h
-+ *
-+ * This provides the assembly level information so that KGDB can provide
-+ * a GDB that has been patched with enough information to know to stop
-+ * trying to unwind the function.
-+ *
-+ * Author: Tom Rini <trini@kernel.crashing.org>
-+ *
-+ * 2005 (c) MontaVista Software, Inc. This file is licensed under the terms
-+ * of the GNU General Public License version 2. This program is licensed
-+ * "as is" without any warranty of any kind, whether express or implied.
-+ */
-+
-+#ifndef __ASM_GENERIC_KGDB_H__
-+#define __ASM_GENERIC_KGDB_H__
-+
-+#include <linux/dwarf2-lang.h>
-+#ifdef __ASSEMBLY__
-+#ifdef CONFIG_KGDB
-+/* This MUST be put at the end of a given assembly function */
-+#define __CFI_END_FRAME(pc,sp,func) \
-+CAT3(.Lend_,func,:) \
-+ CFI_preamble(func,pc,0x1,-DATA_ALIGN_FACTOR) \
-+ CFA_define_reference(sp, 0) \
-+ CFA_undefine_reg(pc) \
-+ CFI_postamble() \
-+ FDE_preamble(func,func,CAT3(.Lend,_,func)) \
-+ FDE_postamble()
-+#else
-+#define __CFI_END_FRAME(pc,sp,fn)
-+#endif /* CONFIG_KGDB */
-+#endif /* __ASSEMBLY__ */
-+#endif /* __ASM_GENERIC_KGDB_H__ */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-i386/kdebug.h linux-2.6.18-53.1.14.kgdb/include/asm-i386/kdebug.h
---- linux-2.6.18-53.1.14/include/asm-i386/kdebug.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-i386/kdebug.h 2008-06-10 15:38:03.000000000 +0400
-@@ -39,6 +39,7 @@ enum die_val {
- DIE_CALL,
- DIE_NMI_IPI,
- DIE_PAGE_FAULT,
-+ DIE_PAGE_FAULT_NO_CONTEXT,
- };
-
- static inline int notify_die(enum die_val val, const char *str,
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-i386/kgdb.h linux-2.6.18-53.1.14.kgdb/include/asm-i386/kgdb.h
---- linux-2.6.18-53.1.14/include/asm-i386/kgdb.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-i386/kgdb.h 2008-06-10 15:39:01.000000000 +0400
-@@ -0,0 +1,58 @@
-+#ifdef __KERNEL__
-+#ifndef _ASM_KGDB_H_
-+#define _ASM_KGDB_H_
-+
-+/*
-+ * Copyright (C) 2001-2004 Amit S. Kale
-+ */
-+
-+#include <asm-generic/kgdb.h>
-+
-+/*
-+ * Note that this register image is in a different order than
-+ * the register image that Linux produces at interrupt time.
-+ *
-+ * Linux's register image is defined by struct pt_regs in ptrace.h.
-+ * Just why GDB uses a different order is a historical mystery.
-+ */
-+#define _EAX 0
-+#define _ECX 1
-+#define _EDX 2
-+#define _EBX 3
-+#define _ESP 4
-+#define _EBP 5
-+#define _ESI 6
-+#define _EDI 7
-+#define _PC 8
-+#define _EIP 8
-+#define _PS 9
-+#define _EFLAGS 9
-+#define _CS 10
-+#define _SS 11
-+#define _DS 12
-+#define _ES 13
-+#define _FS 14
-+#define _GS 15
-+
-+/* So that we can denote the end of a frame for tracing, in the simple
-+ * case. */
-+#define CFI_END_FRAME(func) __CFI_END_FRAME(_EIP,_ESP,func)
-+
-+#ifndef __ASSEMBLY__
-+/************************************************************************/
-+/* BUFMAX defines the maximum number of characters in inbound/outbound buffers*/
-+/* at least NUMREGBYTES*2 are needed for register packets */
-+/* Longer buffer is needed to list all threads */
-+#define BUFMAX 1024
-+
-+/* Number of bytes of registers. */
-+#define NUMREGBYTES 64
-+/* Number of bytes of registers we need to save for a setjmp/longjmp. */
-+#define NUMCRITREGBYTES 24
-+
-+#define BREAKPOINT() asm(" int $3");
-+#define BREAK_INSTR_SIZE 1
-+#define CACHE_FLUSH_IS_SAFE 1
-+#endif /* !__ASSEMBLY__ */
-+#endif /* _ASM_KGDB_H_ */
-+#endif /* __KERNEL__ */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-ia64/kdebug.h linux-2.6.18-53.1.14.kgdb/include/asm-ia64/kdebug.h
---- linux-2.6.18-53.1.14/include/asm-ia64/kdebug.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-ia64/kdebug.h 2008-06-10 15:38:32.000000000 +0400
-@@ -72,6 +72,7 @@ enum die_val {
- DIE_KDEBUG_LEAVE,
- DIE_KDUMP_ENTER,
- DIE_KDUMP_LEAVE,
-+ DIE_PAGE_FAULT_NO_CONTEXT,
- };
-
- static inline int notify_die(enum die_val val, char *str, struct pt_regs *regs,
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-ia64/kgdb.h linux-2.6.18-53.1.14.kgdb/include/asm-ia64/kgdb.h
---- linux-2.6.18-53.1.14/include/asm-ia64/kgdb.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-ia64/kgdb.h 2008-06-10 15:38:32.000000000 +0400
-@@ -0,0 +1,36 @@
-+#ifdef __KERNEL__
-+#ifndef _ASM_KGDB_H_
-+#define _ASM_KGDB_H_
-+
-+/*
-+ * Copyright (C) 2001-2004 Amit S. Kale
-+ */
-+
-+#include <linux/threads.h>
-+
-+/************************************************************************/
-+/* BUFMAX defines the maximum number of characters in inbound/outbound buffers*/
-+/* at least NUMREGBYTES*2 are needed for register packets */
-+/* Longer buffer is needed to list all threads */
-+#define BUFMAX 1024
-+
-+/* Number of bytes of registers. We set this to 0 so that certain GDB
-+ * packets will fail, forcing the use of others, which are more friendly
-+ * on ia64. */
-+#define NUMREGBYTES 0
-+
-+#define NUMCRITREGBYTES (70*8)
-+#define JMP_REGS_ALIGNMENT __attribute__ ((aligned (16)))
-+
-+#define BREAKNUM 0x00003333300LL
-+#define KGDBBREAKNUM 0x6665UL
-+#define BREAKPOINT() asm volatile ("break.m 0x6665")
-+#define BREAK_INSTR_SIZE 16
-+#define CACHE_FLUSH_IS_SAFE 1
-+
-+struct pt_regs;
-+extern volatile int kgdb_hwbreak_sstep[NR_CPUS];
-+extern void smp_send_nmi_allbutself(void);
-+extern void kgdb_wait_ipi(struct pt_regs *);
-+#endif /* _ASM_KGDB_H_ */
-+#endif /* __KERNEL__ */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-mips/kdebug.h linux-2.6.18-53.1.14.kgdb/include/asm-mips/kdebug.h
---- linux-2.6.18-53.1.14/include/asm-mips/kdebug.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-mips/kdebug.h 2008-06-10 15:38:24.000000000 +0400
-@@ -0,0 +1,47 @@
-+/*
-+ *
-+ * Copyright (C) 2004 MontaVista Software Inc.
-+ * Author: Manish Lachwani, mlachwani@mvista.com or manish@koffee-break.com
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2 of the License, or (at your
-+ * option) any later version.
-+ *
-+ */
-+#ifndef _MIPS_KDEBUG_H
-+#define _MIPS_KDEBUG_H
-+
-+#include <linux/notifier.h>
-+
-+struct pt_regs;
-+
-+struct die_args {
-+ struct pt_regs *regs;
-+ const char *str;
-+ long err;
-+};
-+
-+int register_die_notifier(struct notifier_block *nb);
-+extern struct notifier_block *mips_die_chain;
-+
-+enum die_val {
-+ DIE_OOPS = 1,
-+ DIE_PANIC,
-+ DIE_DIE,
-+ DIE_KERNELDEBUG,
-+ DIE_TRAP,
-+ DIE_PAGE_FAULT,
-+};
-+
-+/*
-+ * trap number can be computed from regs and signr can be computed using
-+ * compute_signal()
-+ */
-+static inline int notify_die(enum die_val val,char *str,struct pt_regs *regs,long err)
-+{
-+ struct die_args args = { .regs=regs, .str=str, .err=err };
-+ return notifier_call_chain(&mips_die_chain, val, &args);
-+}
-+
-+#endif /* _MIPS_KDEBUG_H */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-mips/kgdb.h linux-2.6.18-53.1.14.kgdb/include/asm-mips/kgdb.h
---- linux-2.6.18-53.1.14/include/asm-mips/kgdb.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-mips/kgdb.h 2008-06-10 15:39:01.000000000 +0400
-@@ -0,0 +1,34 @@
-+#ifdef __KERNEL__
-+#ifndef _ASM_KGDB_H_
-+#define _ASM_KGDB_H_
-+
-+#ifndef __ASSEMBLY__
-+#if (_MIPS_ISA == _MIPS_ISA_MIPS1) || (_MIPS_ISA == _MIPS_ISA_MIPS2)
-+typedef u32 gdb_reg_t;
-+#elif (_MIPS_ISA == _MIPS_ISA_MIPS3) || (_MIPS_ISA == _MIPS_ISA_MIPS4)
-+typedef u64 gdb_reg_t;
-+#else
-+#error need to do
-+#endif /* _MIPS_ISA */
-+
-+#include <asm-generic/kgdb.h>
-+
-+#ifndef __ASSEMBLY__
-+#define BUFMAX 2048
-+#define NUMREGBYTES (90*sizeof(gdb_reg_t))
-+#define NUMCRITREGBYTES (12*sizeof(gdb_reg_t))
-+#define BREAK_INSTR_SIZE 4
-+#define BREAKPOINT() __asm__ __volatile__( \
-+ ".globl breakinst\n\t" \
-+ ".set\tnoreorder\n\t" \
-+ "nop\n" \
-+ "breakinst:\tbreak\n\t" \
-+ "nop\n\t" \
-+ ".set\treorder")
-+#define CACHE_FLUSH_IS_SAFE 0
-+
-+extern int kgdb_early_setup;
-+
-+#endif /* !__ASSEMBLY__ */
-+#endif /* _ASM_KGDB_H_ */
-+#endif /* __KERNEL__ */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-powerpc/kgdb.h linux-2.6.18-53.1.14.kgdb/include/asm-powerpc/kgdb.h
---- linux-2.6.18-53.1.14/include/asm-powerpc/kgdb.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-powerpc/kgdb.h 2008-06-10 15:39:01.000000000 +0400
-@@ -0,0 +1,74 @@
-+/*
-+ * include/asm-powerpc/kgdb.h
-+ *
-+ * The PowerPC (32/64) specific defines / externs for KGDB. Based on
-+ * the previous 32bit and 64bit specific files, which had the following
-+ * copyrights:
-+ *
-+ * PPC64 Mods (C) 2005 Frank Rowand (frowand@mvista.com)
-+ * PPC Mods (C) 2004 Tom Rini (trini@mvista.com)
-+ * PPC Mods (C) 2003 John Whitney (john.whitney@timesys.com)
-+ * PPC Mods (C) 1998 Michael Tesch (tesch@cs.wisc.edu)
-+ *
-+ *
-+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
-+ * Author: Tom Rini <trini@kernel.crashing.org>
-+ *
-+ * 2006 (c) MontaVista Software, Inc. This file is licensed under
-+ * the terms of the GNU General Public License version 2. This program
-+ * is licensed "as is" without any warranty of any kind, whether express
-+ * or implied.
-+ */
-+#ifdef __KERNEL__
-+#ifndef __POWERPC_KGDB_H__
-+#define __POWERPC_KGDB_H__
-+
-+#include <asm-generic/kgdb.h>
-+#ifndef __ASSEMBLY__
-+
-+#define BREAK_INSTR_SIZE 4
-+#define BUFMAX ((NUMREGBYTES * 2) + 512)
-+#define OUTBUFMAX ((NUMREGBYTES * 2) + 512)
-+#define BREAKPOINT() asm(".long 0x7d821008"); /* twge r2, r2 */
-+#define CACHE_FLUSH_IS_SAFE 1
-+
-+/* The number bytes of registers we have to save depends on a few
-+ * things. For 64bit we default to not including vector registers and
-+ * vector state registers. */
-+#ifdef CONFIG_PPC64
-+/*
-+ * 64 bit (8 byte) registers:
-+ * 32 gpr, 32 fpr, nip, msr, link, ctr
-+ * 32 bit (4 byte) registers:
-+ * ccr, xer, fpscr
-+ */
-+#define NUMREGBYTES ((68 * 8) + (3 * 4))
-+#if 0
-+/* The following adds in vector registers and vector state registers. */
-+/* 128 bit (16 byte) registers:
-+ * 32 vr
-+ * 64 bit (8 byte) registers:
-+ * 32 gpr, 32 fpr, nip, msr, link, ctr
-+ * 32 bit (4 byte) registers:
-+ * ccr, xer, fpscr, vscr, vrsave
-+ */
-+#define NUMREGBYTES ((128 * 16) + (68 * 8) + (5 * 4))
-+#endif
-+#define NUMCRITREGBYTES 184
-+#else /* CONFIG_PPC32 */
-+/* On non-E500 family PPC32 we determine the size by picking the last
-+ * register we need, but on E500 we skip sections so we list what we
-+ * need to store, and add it up. */
-+#ifndef CONFIG_E500
-+#define MAXREG (PT_FPSCR+1)
-+#else
-+/* 32 GPRs (8 bytes), nip, msr, ccr, link, ctr, xer, acc (8 bytes), spefscr*/
-+#define MAXREG ((32*2)+6+2+1)
-+#endif
-+#define NUMREGBYTES (MAXREG * sizeof(int))
-+/* CR/LR, R1, R2, R13-R31 inclusive. */
-+#define NUMCRITREGBYTES (23 * sizeof(int))
-+#endif /* 32/64 */
-+#endif /* !(__ASSEMBLY__) */
-+#endif /* !__POWERPC_KGDB_H__ */
-+#endif /* __KERNEL__ */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-ppc/kgdb.h linux-2.6.18-53.1.14.kgdb/include/asm-ppc/kgdb.h
---- linux-2.6.18-53.1.14/include/asm-ppc/kgdb.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-ppc/kgdb.h 2008-06-10 15:38:14.000000000 +0400
-@@ -1,57 +1,18 @@
--/*
-- * kgdb.h: Defines and declarations for serial line source level
-- * remote debugging of the Linux kernel using gdb.
-- *
-- * PPC Mods (C) 1998 Michael Tesch (tesch@cs.wisc.edu)
-- *
-- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
-- */
- #ifdef __KERNEL__
--#ifndef _PPC_KGDB_H
--#define _PPC_KGDB_H
--
-+#ifndef __PPC_KGDB_H__
-+#define __PPC_KGDB_H__
-+#include <asm-powerpc/kgdb.h>
- #ifndef __ASSEMBLY__
--
--/* Things specific to the gen550 backend. */
--struct uart_port;
--
--extern void gen550_progress(char *, unsigned short);
--extern void gen550_kgdb_map_scc(void);
--extern void gen550_init(int, struct uart_port *);
--
--/* Things specific to the pmac backend. */
--extern void zs_kgdb_hook(int tty_num);
--
--/* To init the kgdb engine. (called by serial hook)*/
--extern void set_debug_traps(void);
--
--/* To enter the debugger explicitly. */
--extern void breakpoint(void);
--
--/* For taking exceptions
-+ /* For taking exceptions
- * these are defined in traps.c
- */
--extern int (*debugger)(struct pt_regs *regs);
-+struct pt_regs;
-+extern void (*debugger)(struct pt_regs *regs);
- extern int (*debugger_bpt)(struct pt_regs *regs);
- extern int (*debugger_sstep)(struct pt_regs *regs);
- extern int (*debugger_iabr_match)(struct pt_regs *regs);
- extern int (*debugger_dabr_match)(struct pt_regs *regs);
- extern void (*debugger_fault_handler)(struct pt_regs *regs);
--
--/* What we bring to the party */
--int kgdb_bpt(struct pt_regs *regs);
--int kgdb_sstep(struct pt_regs *regs);
--void kgdb(struct pt_regs *regs);
--int kgdb_iabr_match(struct pt_regs *regs);
--int kgdb_dabr_match(struct pt_regs *regs);
--
--/*
-- * external low-level support routines (ie macserial.c)
-- */
--extern void kgdb_interruptible(int); /* control interrupts from serial */
--extern void putDebugChar(char); /* write a single character */
--extern char getDebugChar(void); /* read and return a single char */
--
--#endif /* !(__ASSEMBLY__) */
--#endif /* !(_PPC_KGDB_H) */
-+#endif /* !__ASSEMBLY__ */
-+#endif /* __PPC_KGDB_H__ */
- #endif /* __KERNEL__ */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-ppc/machdep.h linux-2.6.18-53.1.14.kgdb/include/asm-ppc/machdep.h
---- linux-2.6.18-53.1.14/include/asm-ppc/machdep.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-ppc/machdep.h 2008-06-10 15:38:14.000000000 +0400
-@@ -72,9 +72,7 @@ struct machdep_calls {
- unsigned long (*find_end_of_memory)(void);
- void (*setup_io_mappings)(void);
-
-- void (*early_serial_map)(void);
- void (*progress)(char *, unsigned short);
-- void (*kgdb_map_scc)(void);
-
- unsigned char (*nvram_read_val)(int addr);
- void (*nvram_write_val)(int addr, unsigned char val);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-ppc/mv64x60.h linux-2.6.18-53.1.14.kgdb/include/asm-ppc/mv64x60.h
---- linux-2.6.18-53.1.14/include/asm-ppc/mv64x60.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-ppc/mv64x60.h 2008-06-10 15:38:14.000000000 +0400
-@@ -348,6 +348,8 @@ u32 mv64x60_calc_mem_size(struct mv64x60
-
- void mv64x60_progress_init(u32 base);
- void mv64x60_mpsc_progress(char *s, unsigned short hex);
-+struct platform_device * mv64x60_early_get_pdev_data(const char *name,
-+ int id, int remove);
-
- extern struct mv64x60_32bit_window
- gt64260_32bit_windows[MV64x60_32BIT_WIN_COUNT];
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-ppc/mv64x60_defs.h linux-2.6.18-53.1.14.kgdb/include/asm-ppc/mv64x60_defs.h
---- linux-2.6.18-53.1.14/include/asm-ppc/mv64x60_defs.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-ppc/mv64x60_defs.h 2008-06-10 15:38:14.000000000 +0400
-@@ -57,7 +57,8 @@
- #define MV64x60_IRQ_I2C 37
- #define MV64x60_IRQ_BRG 39
- #define MV64x60_IRQ_MPSC_0 40
--#define MV64x60_IRQ_MPSC_1 42
-+#define MV64360_IRQ_MPSC_1 41
-+#define GT64260_IRQ_MPSC_1 42
- #define MV64x60_IRQ_COMM 43
- #define MV64x60_IRQ_P0_GPP_0_7 56
- #define MV64x60_IRQ_P0_GPP_8_15 57
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-sh/kgdb.h linux-2.6.18-53.1.14.kgdb/include/asm-sh/kgdb.h
---- linux-2.6.18-53.1.14/include/asm-sh/kgdb.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-sh/kgdb.h 2008-06-10 15:39:01.000000000 +0400
-@@ -2,94 +2,40 @@
- * May be copied or modified under the terms of the GNU General Public
- * License. See linux/COPYING for more information.
- *
-- * Based on original code by Glenn Engel, Jim Kingdon,
-- * David Grothe <dave@gcom.com>, Tigran Aivazian, <tigran@sco.com> and
-- * Amit S. Kale <akale@veritas.com>
-+ * Based on a file that was modified or based on files by: Glenn Engel,
-+ * Jim Kingdon, David Grothe <dave@gcom.com>, Tigran Aivazian <tigran@sco.com>,
-+ * Amit S. Kale <akale@veritas.com>, sh-stub.c from Ben Lee and
-+ * Steve Chamberlain, Henry Bell <henry.bell@st.com>
- *
-- * Super-H port based on sh-stub.c (Ben Lee and Steve Chamberlain) by
-- * Henry Bell <henry.bell@st.com>
-- *
-- * Header file for low-level support for remote debug using GDB.
-+ * Maintainer: Tom Rini <trini@kernel.crashing.org>
- *
- */
-
- #ifndef __KGDB_H
- #define __KGDB_H
-
--#include <asm/ptrace.h>
--
--struct console;
-+#include <asm-generic/kgdb.h>
-+/* Based on sh-gdb.c from gdb-6.1, Glenn
-+ Engel at HP Ben Lee and Steve Chamberlain */
-+#define NUMREGBYTES 112 /* 92 */
-+#define NUMCRITREGBYTES (9 << 2)
-+#define BUFMAX 400
-
--/* Same as pt_regs but has vbr in place of syscall_nr */
-+#ifndef __ASSEMBLY__
- struct kgdb_regs {
- unsigned long regs[16];
- unsigned long pc;
- unsigned long pr;
-- unsigned long sr;
- unsigned long gbr;
-+ unsigned long vbr;
- unsigned long mach;
- unsigned long macl;
-- unsigned long vbr;
--};
--
--/* State info */
--extern char kgdb_in_gdb_mode;
--extern int kgdb_done_init;
--extern int kgdb_enabled;
--extern int kgdb_nofault; /* Ignore bus errors (in gdb mem access) */
--extern int kgdb_halt; /* Execute initial breakpoint at startup */
--extern char in_nmi; /* Debounce flag to prevent NMI reentry*/
--
--/* SCI */
--extern int kgdb_portnum;
--extern int kgdb_baud;
--extern char kgdb_parity;
--extern char kgdb_bits;
--extern int kgdb_console_setup(struct console *, char *);
--
--/* Init and interface stuff */
--extern int kgdb_init(void);
--extern int (*kgdb_serial_setup)(void);
--extern int (*kgdb_getchar)(void);
--extern void (*kgdb_putchar)(int);
--
--struct kgdb_sermap {
-- char *name;
-- int namelen;
-- int (*setup_fn)(struct console *, char *);
-- struct kgdb_sermap *next;
-+ unsigned long sr;
- };
--extern void kgdb_register_sermap(struct kgdb_sermap *map);
--extern struct kgdb_sermap *kgdb_porttype;
-
--/* Trap functions */
--typedef void (kgdb_debug_hook_t)(struct pt_regs *regs);
--typedef void (kgdb_bus_error_hook_t)(void);
--extern kgdb_debug_hook_t *kgdb_debug_hook;
--extern kgdb_bus_error_hook_t *kgdb_bus_err_hook;
--
--extern void breakpoint(void);
--
--/* Console */
--struct console;
--void kgdb_console_write(struct console *co, const char *s, unsigned count);
--void kgdb_console_init(void);
--
--/* Prototypes for jmp fns */
--#define _JBLEN 9
--typedef int jmp_buf[_JBLEN];
--extern void longjmp(jmp_buf __jmpb, int __retval);
--extern int setjmp(jmp_buf __jmpb);
--
--/* Variadic macro to print our own message to the console */
--#define KGDB_PRINTK(...) printk("KGDB: " __VA_ARGS__)
--
--/* Forced breakpoint */
--#define BREAKPOINT() do { \
-- if (kgdb_enabled) { \
-- asm volatile("trapa #0xff"); \
-- } \
--} while (0)
-+#define BREAKPOINT() asm("trapa #0xff");
-+#define BREAK_INSTR_SIZE 2
-+#define CACHE_FLUSH_IS_SAFE 1
-
- /* KGDB should be able to flush all kernel text space */
- #if defined(CONFIG_CPU_SH4)
-@@ -102,30 +48,5 @@ extern int setjmp(jmp_buf __jmpb);
- #else
- #define kgdb_flush_icache_range(start, end) do { } while (0)
- #endif
--
--/* Kernel assert macros */
--#ifdef CONFIG_KGDB_KERNEL_ASSERTS
--
--/* Predefined conditions */
--#define KA_VALID_ERRNO(errno) ((errno) > 0 && (errno) <= EMEDIUMTYPE)
--#define KA_VALID_PTR_ERR(ptr) KA_VALID_ERRNO(-PTR_ERR(ptr))
--#define KA_VALID_KPTR(ptr) (!(ptr) || \
-- ((void *)(ptr) >= (void *)PAGE_OFFSET && \
-- (void *)(ptr) < ERR_PTR(-EMEDIUMTYPE)))
--#define KA_VALID_PTRORERR(errptr) \
-- (KA_VALID_KPTR(errptr) || KA_VALID_PTR_ERR(errptr))
--#define KA_HELD_GKL() (current->lock_depth >= 0)
--
--/* The actual assert */
--#define KGDB_ASSERT(condition, message) do { \
-- if (!(condition) && (kgdb_enabled)) { \
-- KGDB_PRINTK("Assertion failed at %s:%d: %s\n", \
-- __FILE__, __LINE__, message);\
-- BREAKPOINT(); \
-- } \
--} while (0)
--#else
--#define KGDB_ASSERT(condition, message)
--#endif
--
-+#endif /* !__ASSEMBLY__ */
- #endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-sh/system.h linux-2.6.18-53.1.14.kgdb/include/asm-sh/system.h
---- linux-2.6.18-53.1.14/include/asm-sh/system.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-sh/system.h 2008-06-10 15:38:50.000000000 +0400
-@@ -6,6 +6,7 @@
- * Copyright (C) 2002 Paul Mundt
- */
-
-+#include <asm/types.h>
-
- /*
- * switch_to() should switch tasks to task nr n, first
-@@ -260,6 +261,45 @@ static __inline__ unsigned long __xchg(u
- return x;
- }
-
-+static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old,
-+ unsigned long new)
-+{
-+ __u32 retval;
-+ unsigned long flags;
-+
-+ local_irq_save(flags);
-+ retval = *m;
-+ if (retval == old)
-+ *m = new;
-+ local_irq_restore(flags); /* implies memory barrier */
-+ return retval;
-+}
-+
-+/* This function doesn't exist, so you'll get a linker error
-+ * if something tries to do an invalid cmpxchg(). */
-+extern void __cmpxchg_called_with_bad_pointer(void);
-+
-+#define __HAVE_ARCH_CMPXCHG 1
-+
-+static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
-+ unsigned long new, int size)
-+{
-+ switch (size) {
-+ case 4:
-+ return __cmpxchg_u32(ptr, old, new);
-+ }
-+ __cmpxchg_called_with_bad_pointer();
-+ return old;
-+}
-+
-+#define cmpxchg(ptr,o,n) \
-+ ({ \
-+ __typeof__(*(ptr)) _o_ = (o); \
-+ __typeof__(*(ptr)) _n_ = (n); \
-+ (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
-+ (unsigned long)_n_, sizeof(*(ptr))); \
-+ })
-+
- /* XXX
- * disable hlt during certain critical i/o operations
- */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-x86_64/kdebug.h linux-2.6.18-53.1.14.kgdb/include/asm-x86_64/kdebug.h
---- linux-2.6.18-53.1.14/include/asm-x86_64/kdebug.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-x86_64/kdebug.h 2008-06-10 15:38:41.000000000 +0400
-@@ -34,6 +34,7 @@ enum die_val {
- DIE_CALL,
- DIE_NMI_IPI,
- DIE_PAGE_FAULT,
-+ DIE_PAGE_FAULT_NO_CONTEXT,
- };
-
- static inline int notify_die(enum die_val val, const char *str,
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-x86_64/kgdb.h linux-2.6.18-53.1.14.kgdb/include/asm-x86_64/kgdb.h
---- linux-2.6.18-53.1.14/include/asm-x86_64/kgdb.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-x86_64/kgdb.h 2008-06-10 15:39:01.000000000 +0400
-@@ -0,0 +1,54 @@
-+#ifdef __KERNEL__
-+#ifndef _ASM_KGDB_H_
-+#define _ASM_KGDB_H_
-+
-+/*
-+ * Copyright (C) 2001-2004 Amit S. Kale
-+ */
-+
-+#include <asm-generic/kgdb.h>
-+
-+/*
-+ * Note that this register image is in a different order than
-+ * the register image that Linux produces at interrupt time.
-+ *
-+ * Linux's register image is defined by struct pt_regs in ptrace.h.
-+ * Just why GDB uses a different order is a historical mystery.
-+ */
-+#define _RAX 0
-+#define _RDX 1
-+#define _RCX 2
-+#define _RBX 3
-+#define _RSI 4
-+#define _RDI 5
-+#define _RBP 6
-+#define _RSP 7
-+#define _R8 8
-+#define _R9 9
-+#define _R10 10
-+#define _R11 11
-+#define _R12 12
-+#define _R13 13
-+#define _R14 14
-+#define _R15 15
-+#define _PC 16
-+#define _PS 17
-+
-+/* Number of bytes of registers. */
-+#define NUMREGBYTES ((_PS+1)*8)
-+#define NUMCRITREGBYTES (8 * 8) /* 8 registers. */
-+
-+/* Help GDB to know when to stop backtracing. */
-+#define CFI_END_FRAME(func) __CFI_END_FRAME(_PC,_RSP,func)
-+#ifndef __ASSEMBLY__
-+/* BUFMAX defines the maximum number of characters in inbound/outbound
-+ * buffers at least NUMREGBYTES*2 are needed for register packets, and
-+ * a longer buffer is needed to list all threads. */
-+#define BUFMAX 1024
-+#define BREAKPOINT() asm(" int $3");
-+#define CHECK_EXCEPTION_STACK() ((&__get_cpu_var(init_tss))[0].ist[0])
-+#define BREAK_INSTR_SIZE 1
-+#define CACHE_FLUSH_IS_SAFE 1
-+#endif /* !__ASSEMBLY__ */
-+#endif /* _ASM_KGDB_H_ */
-+#endif /* __KERNEL__ */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/asm-x86_64/system.h linux-2.6.18-53.1.14.kgdb/include/asm-x86_64/system.h
---- linux-2.6.18-53.1.14/include/asm-x86_64/system.h 2008-03-06 05:54:38.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/asm-x86_64/system.h 2008-06-10 15:38:44.000000000 +0400
-@@ -22,7 +22,9 @@
-
- /* Save restore flags to clear handle leaking NT */
- #define switch_to(prev,next,last) \
-- asm volatile(SAVE_CONTEXT \
-+ asm volatile(".globl __switch_to_begin\n\t" \
-+ "__switch_to_begin:\n\t" \
-+ SAVE_CONTEXT \
- "movq %%rsp,%P[threadrsp](%[prev])\n\t" /* save RSP */ \
- "movq %P[threadrsp](%[next]),%%rsp\n\t" /* restore RSP */ \
- "call __switch_to\n\t" \
-@@ -34,6 +36,8 @@
- "movq %%rax,%%rdi\n\t" \
- "jc ret_from_fork\n\t" \
- RESTORE_CONTEXT \
-+ ".globl __switch_to_end\n\t" \
-+ "__switch_to_end:\n\t" \
- : "=a" (last) \
- : [next] "S" (next), [prev] "D" (prev), \
- [threadrsp] "i" (offsetof(struct task_struct, thread.rsp)), \
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/linux/dwarf2-lang.h linux-2.6.18-53.1.14.kgdb/include/linux/dwarf2-lang.h
---- linux-2.6.18-53.1.14/include/linux/dwarf2-lang.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/linux/dwarf2-lang.h 2008-06-10 15:39:01.000000000 +0400
-@@ -0,0 +1,300 @@
-+#ifndef DWARF2_LANG
-+#define DWARF2_LANG
-+
-+/*
-+ * This is free software; you can redistribute it and/or modify it under
-+ * the terms of the GNU General Public License as published by the Free
-+ * Software Foundation; either version 2, or (at your option) any later
-+ * version.
-+ */
-+/*
-+ * This file defines macros that allow generation of DWARF debug records
-+ * for asm files. This file is platform independent. Register numbers
-+ * (which are about the only thing that is platform dependent) are to be
-+ * supplied by a platform defined file.
-+ */
-+/*
-+ * We need this to work for both asm and C. In asm we are using the
-+ * old comment trick to concatenate while C uses the new ANSI thing.
-+ * Here we have concat macro... The multi level thing is to allow and
-+ * macros used in the names to be resolved prior to the cat (at which
-+ * time they are no longer the same string).
-+ */
-+#define CAT3(a,b,c) _CAT3(a,b,c)
-+#define _CAT3(a,b,c) __CAT3(a,b,c)
-+#ifndef __STDC__
-+#define __CAT3(a,b,c) a/**/b/**/c
-+#else
-+#define __CAT3(a,b,c) a##b##c
-+#endif
-+#ifdef __ASSEMBLY__
-+#define IFC(a)
-+#define IFN_C(a) a
-+#define NL ;
-+#define QUOTE_THIS(a) a
-+#define DWARF_preamble .section .debug_frame,"",%progbits;
-+#else
-+#define IFC(a) a
-+#define IFN_C(a)
-+#define NL \n\t
-+#define QUOTE_THIS(a) _QUOTE_THIS(a)
-+#define _QUOTE_THIS(a) #a
-+/* Don't let CPP see the " and , \042=" \054=, */
-+#define DWARF_preamble .section .debug_frame \054\042\042\054%progbits
-+#endif
-+
-+#ifdef CONFIG_64BIT
-+#define DATA_ALIGN_FACTOR 8
-+#define ADDR_LOC .quad
-+#else
-+#define DATA_ALIGN_FACTOR 4
-+#define ADDR_LOC .long
-+#endif
-+
-+#include <linux/dwarf2-defs.h>
-+/*
-+ * This macro starts a debug frame section. The debug_frame describes
-+ * where to find the registers that the enclosing function saved on
-+ * entry.
-+ *
-+ * ORD is use by the label generator and should be the same as what is
-+ * passed to CFI_postamble.
-+ *
-+ * pc, pc register gdb ordinal.
-+ *
-+ * code_align this is the factor used to define locations or regions
-+ * where the given definitions apply. If you use labels to define these
-+ * this should be 1.
-+ *
-+ * data_align this is the factor used to define register offsets. If
-+ * you use struct offset, this should be the size of the register in
-+ * bytes or the negative of that. This is how it is used: you will
-+ * define a register as the reference register, say the stack pointer,
-+ * then you will say where a register is located relative to this
-+ * reference registers value, say 40 for register 3 (the gdb register
-+ * number). The <40> will be multiplied by <data_align> to define the
-+ * byte offset of the given register (3, in this example). So if your
-+ * <40> is the byte offset and the reference register points at the
-+ * begining, you would want 1 for the data_offset. If <40> was the 40th
-+ * 4-byte element in that structure you would want 4. And if your
-+ * reference register points at the end of the structure you would want
-+ * a negative data_align value(and you would have to do other math as
-+ * well).
-+ */
-+
-+#define CFI_preamble(ORD, pc, code_align, data_align) \
-+ DWARF_preamble NL \
-+ .align DATA_ALIGN_FACTOR NL \
-+ .globl CAT3(frame,_,ORD) NL \
-+CAT3(frame,_,ORD): NL \
-+ .long 7f-6f NL \
-+6: \
-+ .long DW_CIE_ID NL \
-+ .byte DW_CIE_VERSION NL \
-+ .byte 0 NL \
-+ .uleb128 code_align NL \
-+ .sleb128 data_align NL \
-+ .byte pc NL
-+
-+/*
-+ * After the above macro and prior to the CFI_postamble, you need to
-+ * define the initial state. This starts with defining the reference
-+ * register and, usually the pc. Here are some helper macros:
-+ */
-+
-+#define CFA_define_reference(reg, offset) \
-+ .byte DW_CFA_def_cfa NL \
-+ .uleb128 reg NL \
-+ .uleb128 (offset) NL
-+
-+#define CFA_define_offset(reg, offset) \
-+ .byte (DW_CFA_offset + reg) NL \
-+ .uleb128 (offset) NL
-+
-+#define CFA_restore(reg) \
-+ .byte (DW_CFA_restore + reg) NL
-+
-+#define CFI_postamble() \
-+ .align DATA_ALIGN_FACTOR NL \
-+7: NL \
-+.previous NL
-+
-+/*
-+ * So now your code pushs stuff on the stack, you need a new location
-+ * and the rules for what to do. This starts a running description of
-+ * the call frame. You need to describe what changes with respect to
-+ * the call registers as the location of the pc moves through the code.
-+ * The following builds an FDE (fram descriptor entry?). Like the
-+ * above, it has a preamble and a postamble. It also is tied to the CFI
-+ * above.
-+ * The preamble macro is tied to the CFI thru the first parameter. The
-+ * second is the code start address and then the code end address+1.
-+ */
-+#define FDE_preamble(ORD, initial_address, end_address) \
-+ DWARF_preamble NL \
-+ .align DATA_ALIGN_FACTOR NL \
-+ .long 9f-8f NL \
-+8: \
-+ .long CAT3(frame,_,ORD) NL \
-+ ADDR_LOC initial_address NL \
-+ ADDR_LOC (end_address - initial_address) NL
-+
-+#define FDE_postamble() \
-+ .align DATA_ALIGN_FACTOR NL \
-+9: NL \
-+.previous NL
-+
-+/*
-+ * That done, you can now add registers, subtract registers, move the
-+ * reference and even change the reference. You can also define a new
-+ * area of code the info applies to. For discontinuous bits you should
-+ * start a new FDE. You may have as many as you like.
-+ */
-+
-+/*
-+ * To advance the stack address by <bytes> (0x3f max)
-+ */
-+
-+#define CFA_advance_loc(bytes) \
-+ .byte DW_CFA_advance_loc+bytes NL
-+
-+/*
-+ * This one is good for 0xff or 255
-+ */
-+#define CFA_advance_loc1(bytes) \
-+ .byte DW_CFA_advance_loc1 NL \
-+ .byte bytes NL
-+
-+#define CFA_undefine_reg(reg) \
-+ .byte DW_CFA_undefined NL \
-+ .uleb128 reg NL
-+/*
-+ * With the above you can define all the register locations. But
-+ * suppose the reference register moves... Takes the new offset NOT an
-+ * increment. This is how esp is tracked if it is not saved.
-+ */
-+
-+#define CFA_define_cfa_offset(offset) \
-+ .byte DW_CFA_def_cfa_offset NL \
-+ .uleb128 (offset) NL
-+/*
-+ * Or suppose you want to use a different reference register...
-+ */
-+#define CFA_define_cfa_register(reg) \
-+ .byte DW_CFA_def_cfa_register NL \
-+ .uleb128 reg NL
-+
-+/*
-+ * If you want to mess with the stack pointer, here is the expression.
-+ * The stack starts empty.
-+ */
-+#define CFA_def_cfa_expression \
-+ .byte DW_CFA_def_cfa_expression NL \
-+ .uleb128 20f-10f NL \
-+10: NL
-+/*
-+ * This expression is to be used for other regs. The stack starts with the
-+ * stack address.
-+ */
-+
-+#define CFA_expression(reg) \
-+ .byte DW_CFA_expression NL \
-+ .uleb128 reg NL \
-+ .uleb128 20f-10f NL \
-+10: NL
-+/*
-+ * Here we do the expression stuff. You should code the above followed
-+ * by expression OPs followed by CFA_expression_end.
-+ */
-+
-+
-+#define CFA_expression_end \
-+20: NL
-+
-+#define CFA_exp_OP_const4s(a) \
-+ .byte DW_OP_const4s NL \
-+ .long a NL
-+
-+#define CFA_exp_OP_swap .byte DW_OP_swap NL
-+#define CFA_exp_OP_dup .byte DW_OP_dup NL
-+#define CFA_exp_OP_drop .byte DW_OP_drop NL
-+/*
-+ * All these work on the top two elements on the stack, replacing them
-+ * with the result. Top comes first where it matters. True is 1, false 0.
-+ */
-+#define CFA_exp_OP_deref .byte DW_OP_deref NL
-+#define CFA_exp_OP_and .byte DW_OP_and NL
-+#define CFA_exp_OP_div .byte DW_OP_div NL
-+#define CFA_exp_OP_minus .byte DW_OP_minus NL
-+#define CFA_exp_OP_mod .byte DW_OP_mod NL
-+#define CFA_exp_OP_neg .byte DW_OP_neg NL
-+#define CFA_exp_OP_plus .byte DW_OP_plus NL
-+#define CFA_exp_OP_not .byte DW_OP_not NL
-+#define CFA_exp_OP_or .byte DW_OP_or NL
-+#define CFA_exp_OP_xor .byte DW_OP_xor NL
-+#define CFA_exp_OP_le .byte DW_OP_le NL
-+#define CFA_exp_OP_ge .byte DW_OP_ge NL
-+#define CFA_exp_OP_eq .byte DW_OP_eq NL
-+#define CFA_exp_OP_lt .byte DW_OP_lt NL
-+#define CFA_exp_OP_gt .byte DW_OP_gt NL
-+#define CFA_exp_OP_ne .byte DW_OP_ne NL
-+/*
-+ * These take a parameter as noted
-+ */
-+/*
-+ * Unconditional skip to loc. loc is a label (loc:)
-+ */
-+#define CFA_exp_OP_skip(loc) \
-+ .byte DW_OP_skip NL \
-+ .hword loc-.-2 NL
-+/*
-+ * Conditional skip to loc (TOS != 0, TOS--) (loc is a label)
-+ */
-+#define CFA_exp_OP_bra(loc) \
-+ .byte DW_OP_bra NL \
-+ .hword loc-.-2 NL
-+
-+/*
-+ * TOS += no (an unsigned number)
-+ */
-+#define CFA_exp_OP_plus_uconst(no) \
-+ .byte DW_OP_plus_uconst NL \
-+ .uleb128 no NL
-+
-+/*
-+ * ++TOS = no (a unsigned number)
-+ */
-+#define CFA_exp_OP_constu(no) \
-+ .byte DW_OP_constu NL \
-+ .uleb128 no NL
-+/*
-+ * ++TOS = no (a signed number)
-+ */
-+#define CFA_exp_OP_consts(no) \
-+ .byte DW_OP_consts NL \
-+ .sleb128 no NL
-+/*
-+ * ++TOS = no (an unsigned byte)
-+ */
-+#define CFA_exp_OP_const1u(no) \
-+ .byte DW_OP_const1u NL \
-+ .byte no NL
-+
-+
-+/*
-+ * ++TOS = no (a address)
-+ */
-+#define CFA_exp_OP_addr(no) \
-+ .byte DW_OP_addr NL \
-+ .long no NL
-+
-+/*
-+ * Push current frames value for "reg" + offset
-+ * We take advantage of the opcode assignments to make this a litteral reg
-+ * rather than use the DW_OP_bregx opcode.
-+ */
-+
-+#define CFA_exp_OP_breg(reg,offset) \
-+ .byte DW_OP_breg0+reg NL \
-+ .sleb128 offset NL
-+#endif
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/linux/dwarf2.h linux-2.6.18-53.1.14.kgdb/include/linux/dwarf2.h
---- linux-2.6.18-53.1.14/include/linux/dwarf2.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/linux/dwarf2.h 2008-06-10 15:39:01.000000000 +0400
-@@ -0,0 +1,775 @@
-+/* Declarations and definitions of codes relating to the DWARF2 symbolic
-+ debugging information format.
-+ Copyright (C) 1992, 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002,
-+ 2003 Free Software Foundation, Inc.
-+
-+ Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
-+ Office (AJPO), Florida State Unviversity and Silicon Graphics Inc.
-+ provided support for this effort -- June 21, 1995.
-+
-+ Derived from the DWARF 1 implementation written by Ron Guilmette
-+ (rfg@netcom.com), November 1990.
-+
-+ This file is part of GCC.
-+
-+ GCC is free software; you can redistribute it and/or modify it under
-+ the terms of the GNU General Public License as published by the Free
-+ Software Foundation; either version 2, or (at your option) any later
-+ version.
-+
-+ GCC is distributed in the hope that it will be useful, but WITHOUT
-+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
-+ License for more details.
-+
-+ You should have received a copy of the GNU General Public License
-+ along with GCC; see the file COPYING. If not, write to the Free
-+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-+ 02111-1307, USA. */
-+
-+/* This file is derived from the DWARF specification (a public document)
-+ Revision 2.0.0 (July 27, 1993) developed by the UNIX International
-+ Programming Languages Special Interest Group (UI/PLSIG) and distributed
-+ by UNIX International. Copies of this specification are available from
-+ UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
-+
-+ This file also now contains definitions from the DWARF 3 specification. */
-+
-+/* This file is shared between GCC and GDB, and should not contain
-+ prototypes. */
-+
-+#ifndef _ELF_DWARF2_H
-+#define _ELF_DWARF2_H
-+
-+/* Structure found in the .debug_line section. */
-+typedef struct
-+{
-+ unsigned char li_length [4];
-+ unsigned char li_version [2];
-+ unsigned char li_prologue_length [4];
-+ unsigned char li_min_insn_length [1];
-+ unsigned char li_default_is_stmt [1];
-+ unsigned char li_line_base [1];
-+ unsigned char li_line_range [1];
-+ unsigned char li_opcode_base [1];
-+}
-+DWARF2_External_LineInfo;
-+
-+typedef struct
-+{
-+ unsigned long li_length;
-+ unsigned short li_version;
-+ unsigned int li_prologue_length;
-+ unsigned char li_min_insn_length;
-+ unsigned char li_default_is_stmt;
-+ int li_line_base;
-+ unsigned char li_line_range;
-+ unsigned char li_opcode_base;
-+}
-+DWARF2_Internal_LineInfo;
-+
-+/* Structure found in .debug_pubnames section. */
-+typedef struct
-+{
-+ unsigned char pn_length [4];
-+ unsigned char pn_version [2];
-+ unsigned char pn_offset [4];
-+ unsigned char pn_size [4];
-+}
-+DWARF2_External_PubNames;
-+
-+typedef struct
-+{
-+ unsigned long pn_length;
-+ unsigned short pn_version;
-+ unsigned long pn_offset;
-+ unsigned long pn_size;
-+}
-+DWARF2_Internal_PubNames;
-+
-+/* Structure found in .debug_info section. */
-+typedef struct
-+{
-+ unsigned char cu_length [4];
-+ unsigned char cu_version [2];
-+ unsigned char cu_abbrev_offset [4];
-+ unsigned char cu_pointer_size [1];
-+}
-+DWARF2_External_CompUnit;
-+
-+typedef struct
-+{
-+ unsigned long cu_length;
-+ unsigned short cu_version;
-+ unsigned long cu_abbrev_offset;
-+ unsigned char cu_pointer_size;
-+}
-+DWARF2_Internal_CompUnit;
-+
-+typedef struct
-+{
-+ unsigned char ar_length [4];
-+ unsigned char ar_version [2];
-+ unsigned char ar_info_offset [4];
-+ unsigned char ar_pointer_size [1];
-+ unsigned char ar_segment_size [1];
-+}
-+DWARF2_External_ARange;
-+
-+typedef struct
-+{
-+ unsigned long ar_length;
-+ unsigned short ar_version;
-+ unsigned long ar_info_offset;
-+ unsigned char ar_pointer_size;
-+ unsigned char ar_segment_size;
-+}
-+DWARF2_Internal_ARange;
-+
-+
-+/* Tag names and codes. */
-+enum dwarf_tag
-+ {
-+ DW_TAG_padding = 0x00,
-+ DW_TAG_array_type = 0x01,
-+ DW_TAG_class_type = 0x02,
-+ DW_TAG_entry_point = 0x03,
-+ DW_TAG_enumeration_type = 0x04,
-+ DW_TAG_formal_parameter = 0x05,
-+ DW_TAG_imported_declaration = 0x08,
-+ DW_TAG_label = 0x0a,
-+ DW_TAG_lexical_block = 0x0b,
-+ DW_TAG_member = 0x0d,
-+ DW_TAG_pointer_type = 0x0f,
-+ DW_TAG_reference_type = 0x10,
-+ DW_TAG_compile_unit = 0x11,
-+ DW_TAG_string_type = 0x12,
-+ DW_TAG_structure_type = 0x13,
-+ DW_TAG_subroutine_type = 0x15,
-+ DW_TAG_typedef = 0x16,
-+ DW_TAG_union_type = 0x17,
-+ DW_TAG_unspecified_parameters = 0x18,
-+ DW_TAG_variant = 0x19,
-+ DW_TAG_common_block = 0x1a,
-+ DW_TAG_common_inclusion = 0x1b,
-+ DW_TAG_inheritance = 0x1c,
-+ DW_TAG_inlined_subroutine = 0x1d,
-+ DW_TAG_module = 0x1e,
-+ DW_TAG_ptr_to_member_type = 0x1f,
-+ DW_TAG_set_type = 0x20,
-+ DW_TAG_subrange_type = 0x21,
-+ DW_TAG_with_stmt = 0x22,
-+ DW_TAG_access_declaration = 0x23,
-+ DW_TAG_base_type = 0x24,
-+ DW_TAG_catch_block = 0x25,
-+ DW_TAG_const_type = 0x26,
-+ DW_TAG_constant = 0x27,
-+ DW_TAG_enumerator = 0x28,
-+ DW_TAG_file_type = 0x29,
-+ DW_TAG_friend = 0x2a,
-+ DW_TAG_namelist = 0x2b,
-+ DW_TAG_namelist_item = 0x2c,
-+ DW_TAG_packed_type = 0x2d,
-+ DW_TAG_subprogram = 0x2e,
-+ DW_TAG_template_type_param = 0x2f,
-+ DW_TAG_template_value_param = 0x30,
-+ DW_TAG_thrown_type = 0x31,
-+ DW_TAG_try_block = 0x32,
-+ DW_TAG_variant_part = 0x33,
-+ DW_TAG_variable = 0x34,
-+ DW_TAG_volatile_type = 0x35,
-+ /* DWARF 3. */
-+ DW_TAG_dwarf_procedure = 0x36,
-+ DW_TAG_restrict_type = 0x37,
-+ DW_TAG_interface_type = 0x38,
-+ DW_TAG_namespace = 0x39,
-+ DW_TAG_imported_module = 0x3a,
-+ DW_TAG_unspecified_type = 0x3b,
-+ DW_TAG_partial_unit = 0x3c,
-+ DW_TAG_imported_unit = 0x3d,
-+ /* SGI/MIPS Extensions. */
-+ DW_TAG_MIPS_loop = 0x4081,
-+ /* HP extensions. See: ftp://ftp.hp.com/pub/lang/tools/WDB/wdb-4.0.tar.gz . */
-+ DW_TAG_HP_array_descriptor = 0x4090,
-+ /* GNU extensions. */
-+ DW_TAG_format_label = 0x4101, /* For FORTRAN 77 and Fortran 90. */
-+ DW_TAG_function_template = 0x4102, /* For C++. */
-+ DW_TAG_class_template = 0x4103, /* For C++. */
-+ DW_TAG_GNU_BINCL = 0x4104,
-+ DW_TAG_GNU_EINCL = 0x4105,
-+ /* Extensions for UPC. See: http://upc.gwu.edu/~upc. */
-+ DW_TAG_upc_shared_type = 0x8765,
-+ DW_TAG_upc_strict_type = 0x8766,
-+ DW_TAG_upc_relaxed_type = 0x8767,
-+ /* PGI (STMicroelectronics) extensions. No documentation available. */
-+ DW_TAG_PGI_kanji_type = 0xA000,
-+ DW_TAG_PGI_interface_block = 0xA020
-+ };
-+
-+#define DW_TAG_lo_user 0x4080
-+#define DW_TAG_hi_user 0xffff
-+
-+/* Flag that tells whether entry has a child or not. */
-+#define DW_children_no 0
-+#define DW_children_yes 1
-+
-+/* Form names and codes. */
-+enum dwarf_form
-+ {
-+ DW_FORM_addr = 0x01,
-+ DW_FORM_block2 = 0x03,
-+ DW_FORM_block4 = 0x04,
-+ DW_FORM_data2 = 0x05,
-+ DW_FORM_data4 = 0x06,
-+ DW_FORM_data8 = 0x07,
-+ DW_FORM_string = 0x08,
-+ DW_FORM_block = 0x09,
-+ DW_FORM_block1 = 0x0a,
-+ DW_FORM_data1 = 0x0b,
-+ DW_FORM_flag = 0x0c,
-+ DW_FORM_sdata = 0x0d,
-+ DW_FORM_strp = 0x0e,
-+ DW_FORM_udata = 0x0f,
-+ DW_FORM_ref_addr = 0x10,
-+ DW_FORM_ref1 = 0x11,
-+ DW_FORM_ref2 = 0x12,
-+ DW_FORM_ref4 = 0x13,
-+ DW_FORM_ref8 = 0x14,
-+ DW_FORM_ref_udata = 0x15,
-+ DW_FORM_indirect = 0x16
-+ };
-+
-+/* Attribute names and codes. */
-+enum dwarf_attribute
-+ {
-+ DW_AT_sibling = 0x01,
-+ DW_AT_location = 0x02,
-+ DW_AT_name = 0x03,
-+ DW_AT_ordering = 0x09,
-+ DW_AT_subscr_data = 0x0a,
-+ DW_AT_byte_size = 0x0b,
-+ DW_AT_bit_offset = 0x0c,
-+ DW_AT_bit_size = 0x0d,
-+ DW_AT_element_list = 0x0f,
-+ DW_AT_stmt_list = 0x10,
-+ DW_AT_low_pc = 0x11,
-+ DW_AT_high_pc = 0x12,
-+ DW_AT_language = 0x13,
-+ DW_AT_member = 0x14,
-+ DW_AT_discr = 0x15,
-+ DW_AT_discr_value = 0x16,
-+ DW_AT_visibility = 0x17,
-+ DW_AT_import = 0x18,
-+ DW_AT_string_length = 0x19,
-+ DW_AT_common_reference = 0x1a,
-+ DW_AT_comp_dir = 0x1b,
-+ DW_AT_const_value = 0x1c,
-+ DW_AT_containing_type = 0x1d,
-+ DW_AT_default_value = 0x1e,
-+ DW_AT_inline = 0x20,
-+ DW_AT_is_optional = 0x21,
-+ DW_AT_lower_bound = 0x22,
-+ DW_AT_producer = 0x25,
-+ DW_AT_prototyped = 0x27,
-+ DW_AT_return_addr = 0x2a,
-+ DW_AT_start_scope = 0x2c,
-+ DW_AT_stride_size = 0x2e,
-+ DW_AT_upper_bound = 0x2f,
-+ DW_AT_abstract_origin = 0x31,
-+ DW_AT_accessibility = 0x32,
-+ DW_AT_address_class = 0x33,
-+ DW_AT_artificial = 0x34,
-+ DW_AT_base_types = 0x35,
-+ DW_AT_calling_convention = 0x36,
-+ DW_AT_count = 0x37,
-+ DW_AT_data_member_location = 0x38,
-+ DW_AT_decl_column = 0x39,
-+ DW_AT_decl_file = 0x3a,
-+ DW_AT_decl_line = 0x3b,
-+ DW_AT_declaration = 0x3c,
-+ DW_AT_discr_list = 0x3d,
-+ DW_AT_encoding = 0x3e,
-+ DW_AT_external = 0x3f,
-+ DW_AT_frame_base = 0x40,
-+ DW_AT_friend = 0x41,
-+ DW_AT_identifier_case = 0x42,
-+ DW_AT_macro_info = 0x43,
-+ DW_AT_namelist_items = 0x44,
-+ DW_AT_priority = 0x45,
-+ DW_AT_segment = 0x46,
-+ DW_AT_specification = 0x47,
-+ DW_AT_static_link = 0x48,
-+ DW_AT_type = 0x49,
-+ DW_AT_use_location = 0x4a,
-+ DW_AT_variable_parameter = 0x4b,
-+ DW_AT_virtuality = 0x4c,
-+ DW_AT_vtable_elem_location = 0x4d,
-+ /* DWARF 3 values. */
-+ DW_AT_allocated = 0x4e,
-+ DW_AT_associated = 0x4f,
-+ DW_AT_data_location = 0x50,
-+ DW_AT_stride = 0x51,
-+ DW_AT_entry_pc = 0x52,
-+ DW_AT_use_UTF8 = 0x53,
-+ DW_AT_extension = 0x54,
-+ DW_AT_ranges = 0x55,
-+ DW_AT_trampoline = 0x56,
-+ DW_AT_call_column = 0x57,
-+ DW_AT_call_file = 0x58,
-+ DW_AT_call_line = 0x59,
-+ /* SGI/MIPS extensions. */
-+ DW_AT_MIPS_fde = 0x2001,
-+ DW_AT_MIPS_loop_begin = 0x2002,
-+ DW_AT_MIPS_tail_loop_begin = 0x2003,
-+ DW_AT_MIPS_epilog_begin = 0x2004,
-+ DW_AT_MIPS_loop_unroll_factor = 0x2005,
-+ DW_AT_MIPS_software_pipeline_depth = 0x2006,
-+ DW_AT_MIPS_linkage_name = 0x2007,
-+ DW_AT_MIPS_stride = 0x2008,
-+ DW_AT_MIPS_abstract_name = 0x2009,
-+ DW_AT_MIPS_clone_origin = 0x200a,
-+ DW_AT_MIPS_has_inlines = 0x200b,
-+ /* HP extensions. */
-+ DW_AT_HP_block_index = 0x2000,
-+ DW_AT_HP_unmodifiable = 0x2001, /* Same as DW_AT_MIPS_fde. */
-+ DW_AT_HP_actuals_stmt_list = 0x2010,
-+ DW_AT_HP_proc_per_section = 0x2011,
-+ DW_AT_HP_raw_data_ptr = 0x2012,
-+ DW_AT_HP_pass_by_reference = 0x2013,
-+ DW_AT_HP_opt_level = 0x2014,
-+ DW_AT_HP_prof_version_id = 0x2015,
-+ DW_AT_HP_opt_flags = 0x2016,
-+ DW_AT_HP_cold_region_low_pc = 0x2017,
-+ DW_AT_HP_cold_region_high_pc = 0x2018,
-+ DW_AT_HP_all_variables_modifiable = 0x2019,
-+ DW_AT_HP_linkage_name = 0x201a,
-+ DW_AT_HP_prof_flags = 0x201b, /* In comp unit of procs_info for -g. */
-+ /* GNU extensions. */
-+ DW_AT_sf_names = 0x2101,
-+ DW_AT_src_info = 0x2102,
-+ DW_AT_mac_info = 0x2103,
-+ DW_AT_src_coords = 0x2104,
-+ DW_AT_body_begin = 0x2105,
-+ DW_AT_body_end = 0x2106,
-+ DW_AT_GNU_vector = 0x2107,
-+ /* VMS extensions. */
-+ DW_AT_VMS_rtnbeg_pd_address = 0x2201,
-+ /* UPC extension. */
-+ DW_AT_upc_threads_scaled = 0x3210,
-+ /* PGI (STMicroelectronics) extensions. */
-+ DW_AT_PGI_lbase = 0x3a00,
-+ DW_AT_PGI_soffset = 0x3a01,
-+ DW_AT_PGI_lstride = 0x3a02
-+ };
-+
-+#define DW_AT_lo_user 0x2000 /* Implementation-defined range start. */
-+#define DW_AT_hi_user 0x3ff0 /* Implementation-defined range end. */
-+
-+/* Location atom names and codes. */
-+enum dwarf_location_atom
-+ {
-+ DW_OP_addr = 0x03,
-+ DW_OP_deref = 0x06,
-+ DW_OP_const1u = 0x08,
-+ DW_OP_const1s = 0x09,
-+ DW_OP_const2u = 0x0a,
-+ DW_OP_const2s = 0x0b,
-+ DW_OP_const4u = 0x0c,
-+ DW_OP_const4s = 0x0d,
-+ DW_OP_const8u = 0x0e,
-+ DW_OP_const8s = 0x0f,
-+ DW_OP_constu = 0x10,
-+ DW_OP_consts = 0x11,
-+ DW_OP_dup = 0x12,
-+ DW_OP_drop = 0x13,
-+ DW_OP_over = 0x14,
-+ DW_OP_pick = 0x15,
-+ DW_OP_swap = 0x16,
-+ DW_OP_rot = 0x17,
-+ DW_OP_xderef = 0x18,
-+ DW_OP_abs = 0x19,
-+ DW_OP_and = 0x1a,
-+ DW_OP_div = 0x1b,
-+ DW_OP_minus = 0x1c,
-+ DW_OP_mod = 0x1d,
-+ DW_OP_mul = 0x1e,
-+ DW_OP_neg = 0x1f,
-+ DW_OP_not = 0x20,
-+ DW_OP_or = 0x21,
-+ DW_OP_plus = 0x22,
-+ DW_OP_plus_uconst = 0x23,
-+ DW_OP_shl = 0x24,
-+ DW_OP_shr = 0x25,
-+ DW_OP_shra = 0x26,
-+ DW_OP_xor = 0x27,
-+ DW_OP_bra = 0x28,
-+ DW_OP_eq = 0x29,
-+ DW_OP_ge = 0x2a,
-+ DW_OP_gt = 0x2b,
-+ DW_OP_le = 0x2c,
-+ DW_OP_lt = 0x2d,
-+ DW_OP_ne = 0x2e,
-+ DW_OP_skip = 0x2f,
-+ DW_OP_lit0 = 0x30,
-+ DW_OP_lit1 = 0x31,
-+ DW_OP_lit2 = 0x32,
-+ DW_OP_lit3 = 0x33,
-+ DW_OP_lit4 = 0x34,
-+ DW_OP_lit5 = 0x35,
-+ DW_OP_lit6 = 0x36,
-+ DW_OP_lit7 = 0x37,
-+ DW_OP_lit8 = 0x38,
-+ DW_OP_lit9 = 0x39,
-+ DW_OP_lit10 = 0x3a,
-+ DW_OP_lit11 = 0x3b,
-+ DW_OP_lit12 = 0x3c,
-+ DW_OP_lit13 = 0x3d,
-+ DW_OP_lit14 = 0x3e,
-+ DW_OP_lit15 = 0x3f,
-+ DW_OP_lit16 = 0x40,
-+ DW_OP_lit17 = 0x41,
-+ DW_OP_lit18 = 0x42,
-+ DW_OP_lit19 = 0x43,
-+ DW_OP_lit20 = 0x44,
-+ DW_OP_lit21 = 0x45,
-+ DW_OP_lit22 = 0x46,
-+ DW_OP_lit23 = 0x47,
-+ DW_OP_lit24 = 0x48,
-+ DW_OP_lit25 = 0x49,
-+ DW_OP_lit26 = 0x4a,
-+ DW_OP_lit27 = 0x4b,
-+ DW_OP_lit28 = 0x4c,
-+ DW_OP_lit29 = 0x4d,
-+ DW_OP_lit30 = 0x4e,
-+ DW_OP_lit31 = 0x4f,
-+ DW_OP_reg0 = 0x50,
-+ DW_OP_reg1 = 0x51,
-+ DW_OP_reg2 = 0x52,
-+ DW_OP_reg3 = 0x53,
-+ DW_OP_reg4 = 0x54,
-+ DW_OP_reg5 = 0x55,
-+ DW_OP_reg6 = 0x56,
-+ DW_OP_reg7 = 0x57,
-+ DW_OP_reg8 = 0x58,
-+ DW_OP_reg9 = 0x59,
-+ DW_OP_reg10 = 0x5a,
-+ DW_OP_reg11 = 0x5b,
-+ DW_OP_reg12 = 0x5c,
-+ DW_OP_reg13 = 0x5d,
-+ DW_OP_reg14 = 0x5e,
-+ DW_OP_reg15 = 0x5f,
-+ DW_OP_reg16 = 0x60,
-+ DW_OP_reg17 = 0x61,
-+ DW_OP_reg18 = 0x62,
-+ DW_OP_reg19 = 0x63,
-+ DW_OP_reg20 = 0x64,
-+ DW_OP_reg21 = 0x65,
-+ DW_OP_reg22 = 0x66,
-+ DW_OP_reg23 = 0x67,
-+ DW_OP_reg24 = 0x68,
-+ DW_OP_reg25 = 0x69,
-+ DW_OP_reg26 = 0x6a,
-+ DW_OP_reg27 = 0x6b,
-+ DW_OP_reg28 = 0x6c,
-+ DW_OP_reg29 = 0x6d,
-+ DW_OP_reg30 = 0x6e,
-+ DW_OP_reg31 = 0x6f,
-+ DW_OP_breg0 = 0x70,
-+ DW_OP_breg1 = 0x71,
-+ DW_OP_breg2 = 0x72,
-+ DW_OP_breg3 = 0x73,
-+ DW_OP_breg4 = 0x74,
-+ DW_OP_breg5 = 0x75,
-+ DW_OP_breg6 = 0x76,
-+ DW_OP_breg7 = 0x77,
-+ DW_OP_breg8 = 0x78,
-+ DW_OP_breg9 = 0x79,
-+ DW_OP_breg10 = 0x7a,
-+ DW_OP_breg11 = 0x7b,
-+ DW_OP_breg12 = 0x7c,
-+ DW_OP_breg13 = 0x7d,
-+ DW_OP_breg14 = 0x7e,
-+ DW_OP_breg15 = 0x7f,
-+ DW_OP_breg16 = 0x80,
-+ DW_OP_breg17 = 0x81,
-+ DW_OP_breg18 = 0x82,
-+ DW_OP_breg19 = 0x83,
-+ DW_OP_breg20 = 0x84,
-+ DW_OP_breg21 = 0x85,
-+ DW_OP_breg22 = 0x86,
-+ DW_OP_breg23 = 0x87,
-+ DW_OP_breg24 = 0x88,
-+ DW_OP_breg25 = 0x89,
-+ DW_OP_breg26 = 0x8a,
-+ DW_OP_breg27 = 0x8b,
-+ DW_OP_breg28 = 0x8c,
-+ DW_OP_breg29 = 0x8d,
-+ DW_OP_breg30 = 0x8e,
-+ DW_OP_breg31 = 0x8f,
-+ DW_OP_regx = 0x90,
-+ DW_OP_fbreg = 0x91,
-+ DW_OP_bregx = 0x92,
-+ DW_OP_piece = 0x93,
-+ DW_OP_deref_size = 0x94,
-+ DW_OP_xderef_size = 0x95,
-+ DW_OP_nop = 0x96,
-+ /* DWARF 3 extensions. */
-+ DW_OP_push_object_address = 0x97,
-+ DW_OP_call2 = 0x98,
-+ DW_OP_call4 = 0x99,
-+ DW_OP_call_ref = 0x9a,
-+ /* GNU extensions. */
-+ DW_OP_GNU_push_tls_address = 0xe0,
-+ /* HP extensions. */
-+ DW_OP_HP_unknown = 0xe0, /* Ouch, the same as GNU_push_tls_address. */
-+ DW_OP_HP_is_value = 0xe1,
-+ DW_OP_HP_fltconst4 = 0xe2,
-+ DW_OP_HP_fltconst8 = 0xe3,
-+ DW_OP_HP_mod_range = 0xe4,
-+ DW_OP_HP_unmod_range = 0xe5,
-+ DW_OP_HP_tls = 0xe6
-+ };
-+
-+#define DW_OP_lo_user 0xe0 /* Implementation-defined range start. */
-+#define DW_OP_hi_user 0xff /* Implementation-defined range end. */
-+
-+/* Type encodings. */
-+enum dwarf_type
-+ {
-+ DW_ATE_void = 0x0,
-+ DW_ATE_address = 0x1,
-+ DW_ATE_boolean = 0x2,
-+ DW_ATE_complex_float = 0x3,
-+ DW_ATE_float = 0x4,
-+ DW_ATE_signed = 0x5,
-+ DW_ATE_signed_char = 0x6,
-+ DW_ATE_unsigned = 0x7,
-+ DW_ATE_unsigned_char = 0x8,
-+ /* DWARF 3. */
-+ DW_ATE_imaginary_float = 0x9,
-+ /* HP extensions. */
-+ DW_ATE_HP_float80 = 0x80, /* Floating-point (80 bit). */
-+ DW_ATE_HP_complex_float80 = 0x81, /* Complex floating-point (80 bit). */
-+ DW_ATE_HP_float128 = 0x82, /* Floating-point (128 bit). */
-+ DW_ATE_HP_complex_float128 = 0x83, /* Complex floating-point (128 bit). */
-+ DW_ATE_HP_floathpintel = 0x84, /* Floating-point (82 bit IA64). */
-+ DW_ATE_HP_imaginary_float80 = 0x85,
-+ DW_ATE_HP_imaginary_float128 = 0x86
-+ };
-+
-+#define DW_ATE_lo_user 0x80
-+#define DW_ATE_hi_user 0xff
-+
-+/* Array ordering names and codes. */
-+enum dwarf_array_dim_ordering
-+ {
-+ DW_ORD_row_major = 0,
-+ DW_ORD_col_major = 1
-+ };
-+
-+/* Access attribute. */
-+enum dwarf_access_attribute
-+ {
-+ DW_ACCESS_public = 1,
-+ DW_ACCESS_protected = 2,
-+ DW_ACCESS_private = 3
-+ };
-+
-+/* Visibility. */
-+enum dwarf_visibility_attribute
-+ {
-+ DW_VIS_local = 1,
-+ DW_VIS_exported = 2,
-+ DW_VIS_qualified = 3
-+ };
-+
-+/* Virtuality. */
-+enum dwarf_virtuality_attribute
-+ {
-+ DW_VIRTUALITY_none = 0,
-+ DW_VIRTUALITY_virtual = 1,
-+ DW_VIRTUALITY_pure_virtual = 2
-+ };
-+
-+/* Case sensitivity. */
-+enum dwarf_id_case
-+ {
-+ DW_ID_case_sensitive = 0,
-+ DW_ID_up_case = 1,
-+ DW_ID_down_case = 2,
-+ DW_ID_case_insensitive = 3
-+ };
-+
-+/* Calling convention. */
-+enum dwarf_calling_convention
-+ {
-+ DW_CC_normal = 0x1,
-+ DW_CC_program = 0x2,
-+ DW_CC_nocall = 0x3
-+ };
-+
-+#define DW_CC_lo_user 0x40
-+#define DW_CC_hi_user 0xff
-+
-+/* Inline attribute. */
-+enum dwarf_inline_attribute
-+ {
-+ DW_INL_not_inlined = 0,
-+ DW_INL_inlined = 1,
-+ DW_INL_declared_not_inlined = 2,
-+ DW_INL_declared_inlined = 3
-+ };
-+
-+/* Discriminant lists. */
-+enum dwarf_discrim_list
-+ {
-+ DW_DSC_label = 0,
-+ DW_DSC_range = 1
-+ };
-+
-+/* Line number opcodes. */
-+enum dwarf_line_number_ops
-+ {
-+ DW_LNS_extended_op = 0,
-+ DW_LNS_copy = 1,
-+ DW_LNS_advance_pc = 2,
-+ DW_LNS_advance_line = 3,
-+ DW_LNS_set_file = 4,
-+ DW_LNS_set_column = 5,
-+ DW_LNS_negate_stmt = 6,
-+ DW_LNS_set_basic_block = 7,
-+ DW_LNS_const_add_pc = 8,
-+ DW_LNS_fixed_advance_pc = 9,
-+ /* DWARF 3. */
-+ DW_LNS_set_prologue_end = 10,
-+ DW_LNS_set_epilogue_begin = 11,
-+ DW_LNS_set_isa = 12
-+ };
-+
-+/* Line number extended opcodes. */
-+enum dwarf_line_number_x_ops
-+ {
-+ DW_LNE_end_sequence = 1,
-+ DW_LNE_set_address = 2,
-+ DW_LNE_define_file = 3,
-+ /* HP extensions. */
-+ DW_LNE_HP_negate_is_UV_update = 0x11,
-+ DW_LNE_HP_push_context = 0x12,
-+ DW_LNE_HP_pop_context = 0x13,
-+ DW_LNE_HP_set_file_line_column = 0x14,
-+ DW_LNE_HP_set_routine_name = 0x15,
-+ DW_LNE_HP_set_sequence = 0x16,
-+ DW_LNE_HP_negate_post_semantics = 0x17,
-+ DW_LNE_HP_negate_function_exit = 0x18,
-+ DW_LNE_HP_negate_front_end_logical = 0x19,
-+ DW_LNE_HP_define_proc = 0x20
-+ };
-+
-+/* Call frame information. */
-+enum dwarf_call_frame_info
-+ {
-+ DW_CFA_advance_loc = 0x40,
-+ DW_CFA_offset = 0x80,
-+ DW_CFA_restore = 0xc0,
-+ DW_CFA_nop = 0x00,
-+ DW_CFA_set_loc = 0x01,
-+ DW_CFA_advance_loc1 = 0x02,
-+ DW_CFA_advance_loc2 = 0x03,
-+ DW_CFA_advance_loc4 = 0x04,
-+ DW_CFA_offset_extended = 0x05,
-+ DW_CFA_restore_extended = 0x06,
-+ DW_CFA_undefined = 0x07,
-+ DW_CFA_same_value = 0x08,
-+ DW_CFA_register = 0x09,
-+ DW_CFA_remember_state = 0x0a,
-+ DW_CFA_restore_state = 0x0b,
-+ DW_CFA_def_cfa = 0x0c,
-+ DW_CFA_def_cfa_register = 0x0d,
-+ DW_CFA_def_cfa_offset = 0x0e,
-+ /* DWARF 3. */
-+ DW_CFA_def_cfa_expression = 0x0f,
-+ DW_CFA_expression = 0x10,
-+ DW_CFA_offset_extended_sf = 0x11,
-+ DW_CFA_def_cfa_sf = 0x12,
-+ DW_CFA_def_cfa_offset_sf = 0x13,
-+ /* SGI/MIPS specific. */
-+ DW_CFA_MIPS_advance_loc8 = 0x1d,
-+ /* GNU extensions. */
-+ DW_CFA_GNU_window_save = 0x2d,
-+ DW_CFA_GNU_args_size = 0x2e,
-+ DW_CFA_GNU_negative_offset_extended = 0x2f
-+ };
-+
-+#define DW_CIE_ID 0xffffffff
-+#define DW_CIE_VERSION 1
-+
-+#define DW_CFA_extended 0
-+#define DW_CFA_lo_user 0x1c
-+#define DW_CFA_hi_user 0x3f
-+
-+#define DW_CHILDREN_no 0x00
-+#define DW_CHILDREN_yes 0x01
-+
-+#define DW_ADDR_none 0
-+
-+/* Source language names and codes. */
-+enum dwarf_source_language
-+ {
-+ DW_LANG_C89 = 0x0001,
-+ DW_LANG_C = 0x0002,
-+ DW_LANG_Ada83 = 0x0003,
-+ DW_LANG_C_plus_plus = 0x0004,
-+ DW_LANG_Cobol74 = 0x0005,
-+ DW_LANG_Cobol85 = 0x0006,
-+ DW_LANG_Fortran77 = 0x0007,
-+ DW_LANG_Fortran90 = 0x0008,
-+ DW_LANG_Pascal83 = 0x0009,
-+ DW_LANG_Modula2 = 0x000a,
-+ DW_LANG_Java = 0x000b,
-+ /* DWARF 3. */
-+ DW_LANG_C99 = 0x000c,
-+ DW_LANG_Ada95 = 0x000d,
-+ DW_LANG_Fortran95 = 0x000e,
-+ /* MIPS. */
-+ DW_LANG_Mips_Assembler = 0x8001,
-+ /* UPC. */
-+ DW_LANG_Upc = 0x8765
-+ };
-+
-+#define DW_LANG_lo_user 0x8000 /* Implementation-defined range start. */
-+#define DW_LANG_hi_user 0xffff /* Implementation-defined range start. */
-+
-+/* Names and codes for macro information. */
-+enum dwarf_macinfo_record_type
-+ {
-+ DW_MACINFO_define = 1,
-+ DW_MACINFO_undef = 2,
-+ DW_MACINFO_start_file = 3,
-+ DW_MACINFO_end_file = 4,
-+ DW_MACINFO_vendor_ext = 255
-+ };
-+\f
-+/* @@@ For use with GNU frame unwind information. */
-+
-+#define DW_EH_PE_absptr 0x00
-+#define DW_EH_PE_omit 0xff
-+
-+#define DW_EH_PE_uleb128 0x01
-+#define DW_EH_PE_udata2 0x02
-+#define DW_EH_PE_udata4 0x03
-+#define DW_EH_PE_udata8 0x04
-+#define DW_EH_PE_sleb128 0x09
-+#define DW_EH_PE_sdata2 0x0A
-+#define DW_EH_PE_sdata4 0x0B
-+#define DW_EH_PE_sdata8 0x0C
-+#define DW_EH_PE_signed 0x08
-+
-+#define DW_EH_PE_pcrel 0x10
-+#define DW_EH_PE_textrel 0x20
-+#define DW_EH_PE_datarel 0x30
-+#define DW_EH_PE_funcrel 0x40
-+#define DW_EH_PE_aligned 0x50
-+
-+#define DW_EH_PE_indirect 0x80
-+
-+#endif /* _ELF_DWARF2_H */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/linux/kgdb.h linux-2.6.18-53.1.14.kgdb/include/linux/kgdb.h
---- linux-2.6.18-53.1.14/include/linux/kgdb.h 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/linux/kgdb.h 2008-06-10 15:39:21.000000000 +0400
-@@ -0,0 +1,279 @@
-+/*
-+ * include/linux/kgdb.h
-+ *
-+ * This provides the hooks and functions that KGDB needs to share between
-+ * the core, I/O and arch-specific portions.
-+ *
-+ * Author: Amit Kale <amitkale@linsyssoft.com> and
-+ * Tom Rini <trini@kernel.crashing.org>
-+ *
-+ * 2001-2004 (c) Amit S. Kale and 2003-2005 (c) MontaVista Software, Inc.
-+ * This file is licensed under the terms of the GNU General Public License
-+ * version 2. This program is licensed "as is" without any warranty of any
-+ * kind, whether express or implied.
-+ */
-+#ifdef __KERNEL__
-+#ifndef _KGDB_H_
-+#define _KGDB_H_
-+
-+#include <asm/atomic.h>
-+
-+#ifdef CONFIG_KGDB
-+#include <asm/kgdb.h>
-+#include <linux/serial_8250.h>
-+#include <linux/linkage.h>
-+#include <linux/init.h>
-+
-+#ifndef CHECK_EXCEPTION_STACK
-+#define CHECK_EXCEPTION_STACK() 1
-+#endif
-+
-+struct tasklet_struct;
-+struct pt_regs;
-+struct task_struct;
-+struct uart_port;
-+
-+#ifdef CONFIG_KGDB_CONSOLE
-+extern struct console kgdbcons;
-+#endif
-+
-+/* To enter the debugger explicitly. */
-+extern void breakpoint(void);
-+extern int kgdb_connected;
-+extern int kgdb_may_fault;
-+extern struct tasklet_struct kgdb_tasklet_breakpoint;
-+
-+extern atomic_t kgdb_setting_breakpoint;
-+extern atomic_t cpu_doing_single_step;
-+extern atomic_t kgdb_sync_softlockup[NR_CPUS];
-+
-+extern struct task_struct *kgdb_usethread, *kgdb_contthread;
-+
-+enum kgdb_bptype {
-+ bp_breakpoint = '0',
-+ bp_hardware_breakpoint,
-+ bp_write_watchpoint,
-+ bp_read_watchpoint,
-+ bp_access_watchpoint
-+};
-+
-+enum kgdb_bpstate {
-+ bp_none = 0,
-+ bp_removed,
-+ bp_set,
-+ bp_active
-+};
-+
-+struct kgdb_bkpt {
-+ unsigned long bpt_addr;
-+ unsigned char saved_instr[BREAK_INSTR_SIZE];
-+ enum kgdb_bptype type;
-+ enum kgdb_bpstate state;
-+};
-+
-+/* The maximum number of KGDB I/O modules that can be loaded */
-+#define MAX_KGDB_IO_HANDLERS 3
-+
-+#ifndef MAX_BREAKPOINTS
-+#define MAX_BREAKPOINTS 1000
-+#endif
-+
-+#define KGDB_HW_BREAKPOINT 1
-+
-+/* Required functions. */
-+/**
-+ * regs_to_gdb_regs - Convert ptrace regs to GDB regs
-+ * @gdb_regs: A pointer to hold the registers in the order GDB wants.
-+ * @regs: The &struct pt_regs of the current process.
-+ *
-+ * Convert the pt_regs in @regs into the format for registers that
-+ * GDB expects, stored in @gdb_regs.
-+ */
-+extern void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs);
-+
-+/**
-+ * sleeping_regs_to_gdb_regs - Convert ptrace regs to GDB regs
-+ * @gdb_regs: A pointer to hold the registers in the order GDB wants.
-+ * @p: The &struct task_struct of the desired process.
-+ *
-+ * Convert the register values of the sleeping process in @p to
-+ * the format that GDB expects.
-+ * This function is called when kgdb does not have access to the
-+ * &struct pt_regs and therefore it should fill the gdb registers
-+ * @gdb_regs with what has been saved in &struct thread_struct
-+ * thread field during switch_to.
-+ */
-+extern void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs,
-+ struct task_struct *p);
-+
-+/**
-+ * gdb_regs_to_regs - Convert GDB regs to ptrace regs.
-+ * @gdb_regs: A pointer to hold the registers we've recieved from GDB.
-+ * @regs: A pointer to a &struct pt_regs to hold these values in.
-+ *
-+ * Convert the GDB regs in @gdb_regs into the pt_regs, and store them
-+ * in @regs.
-+ */
-+extern void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *regs);
-+
-+/**
-+ * kgdb_arch_handle_exception - Handle architecture specific GDB packets.
-+ * @vector: The error vector of the exception that happened.
-+ * @signo: The signal number of the exception that happened.
-+ * @err_code: The error code of the exception that happened.
-+ * @remcom_in_buffer: The buffer of the packet we have read.
-+ * @remcom_out_buffer: The buffer, of %BUFMAX to write a packet into.
-+ * @regs: The &struct pt_regs of the current process.
-+ *
-+ * This function MUST handle the 'c' and 's' command packets,
-+ * as well packets to set / remove a hardware breakpoint, if used.
-+ * If there are additional packets which the hardware needs to handle,
-+ * they are handled here. The code should return -1 if it wants to
-+ * process more packets, and a %0 or %1 if it wants to exit from the
-+ * kgdb hook.
-+ */
-+extern int kgdb_arch_handle_exception(int vector, int signo, int err_code,
-+ char *remcom_in_buffer,
-+ char *remcom_out_buffer,
-+ struct pt_regs *regs);
-+
-+#ifndef JMP_REGS_ALIGNMENT
-+#define JMP_REGS_ALIGNMENT
-+#endif
-+
-+extern unsigned long kgdb_fault_jmp_regs[];
-+
-+/**
-+ * kgdb_fault_setjmp - Store state in case we fault.
-+ * @curr_context: An array to store state into.
-+ *
-+ * Certain functions may try and access memory, and in doing so may
-+ * cause a fault. When this happens, we trap it, restore state to
-+ * this call, and let ourself know that something bad has happened.
-+ */
-+extern asmlinkage int kgdb_fault_setjmp(unsigned long *curr_context);
-+
-+/**
-+ * kgdb_fault_longjmp - Restore state when we have faulted.
-+ * @curr_context: The previously stored state.
-+ *
-+ * When something bad does happen, this function is called to
-+ * restore the known good state, and set the return value to 1, so
-+ * we know something bad happened.
-+ */
-+extern asmlinkage void kgdb_fault_longjmp(unsigned long *curr_context);
-+
-+/* Optional functions. */
-+extern int kgdb_arch_init(void);
-+extern void kgdb_disable_hw_debug(struct pt_regs *regs);
-+extern void kgdb_post_master_code(struct pt_regs *regs, int e_vector,
-+ int err_code);
-+extern void kgdb_roundup_cpus(unsigned long flags);
-+extern int kgdb_set_hw_break(unsigned long addr);
-+extern int kgdb_remove_hw_break(unsigned long addr);
-+extern void kgdb_remove_all_hw_break(void);
-+extern void kgdb_correct_hw_break(void);
-+extern void kgdb_shadowinfo(struct pt_regs *regs, char *buffer,
-+ unsigned threadid);
-+extern struct task_struct *kgdb_get_shadow_thread(struct pt_regs *regs,
-+ int threadid);
-+extern struct pt_regs *kgdb_shadow_regs(struct pt_regs *regs, int threadid);
-+extern int kgdb_validate_break_address(unsigned long addr);
-+extern int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr);
-+extern int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle);
-+
-+/**
-+ * struct kgdb_arch - Desribe architecture specific values.
-+ * @gdb_bpt_instr: The instruction to trigger a breakpoint.
-+ * @flags: Flags for the breakpoint, currently just %KGDB_HW_BREAKPOINT.
-+ * @shadowth: A value of %1 indicates we shadow information on processes.
-+ * @set_breakpoint: Allow an architecture to specify how to set a software
-+ * breakpoint.
-+ * @remove_breakpoint: Allow an architecture to specify how to remove a
-+ * software breakpoint.
-+ * @set_hw_breakpoint: Allow an architecture to specify how to set a hardware
-+ * breakpoint.
-+ * @remove_hw_breakpoint: Allow an architecture to specify how to remove a
-+ * hardware breakpoint.
-+ *
-+ * The @shadowth flag is an option to shadow information not retrievable by
-+ * gdb otherwise. This is deprecated in favor of a binutils which supports
-+ * CFI macros.
-+ */
-+struct kgdb_arch {
-+ unsigned char gdb_bpt_instr[BREAK_INSTR_SIZE];
-+ unsigned long flags;
-+ unsigned shadowth;
-+ int (*set_breakpoint) (unsigned long, char *);
-+ int (*remove_breakpoint)(unsigned long, char *);
-+ int (*set_hw_breakpoint)(unsigned long, int, enum kgdb_bptype);
-+ int (*remove_hw_breakpoint)(unsigned long, int, enum kgdb_bptype);
-+};
-+
-+/* Thread reference */
-+typedef unsigned char threadref[8];
-+
-+/**
-+ * struct kgdb_io - Desribe the interface for an I/O driver to talk with KGDB.
-+ * @read_char: Pointer to a function that will return one char.
-+ * @write_char: Pointer to a function that will write one char.
-+ * @flush: Pointer to a function that will flush any pending writes.
-+ * @init: Pointer to a function that will initialize the device.
-+ * @late_init: Pointer to a function that will do any setup that has
-+ * other dependencies.
-+ * @pre_exception: Pointer to a function that will do any prep work for
-+ * the I/O driver.
-+ * @post_exception: Pointer to a function that will do any cleanup work
-+ * for the I/O driver.
-+ *
-+ * The @init and @late_init function pointers allow for an I/O driver
-+ * such as a serial driver to fully initialize the port with @init and
-+ * be called very early, yet safely call request_irq() later in the boot
-+ * sequence.
-+ *
-+ * @init is allowed to return a non-0 return value to indicate failure.
-+ * If this is called early on, then KGDB will try again when it would call
-+ * @late_init. If it has failed later in boot as well, the user will be
-+ * notified.
-+ */
-+struct kgdb_io {
-+ int (*read_char) (void);
-+ void (*write_char) (u8);
-+ void (*flush) (void);
-+ int (*init) (void);
-+ void (*late_init) (void);
-+ void (*pre_exception) (void);
-+ void (*post_exception) (void);
-+};
-+
-+extern struct kgdb_io kgdb_io_ops;
-+extern struct kgdb_arch arch_kgdb_ops;
-+extern int kgdb_initialized;
-+
-+extern int kgdb_register_io_module(struct kgdb_io *local_kgdb_io_ops);
-+extern void kgdb_unregister_io_module(struct kgdb_io *local_kgdb_io_ops);
-+
-+extern void __init kgdb8250_add_port(int i, struct uart_port *serial_req);
-+extern void __init kgdb8250_add_platform_port(int i, struct plat_serial8250_port *serial_req);
-+
-+extern int kgdb_hex2long(char **ptr, long *long_val);
-+extern char *kgdb_mem2hex(char *mem, char *buf, int count);
-+extern char *kgdb_hex2mem(char *buf, char *mem, int count);
-+extern int kgdb_get_mem(char *addr, unsigned char *buf, int count);
-+extern int kgdb_set_mem(char *addr, unsigned char *buf, int count);
-+
-+int kgdb_isremovedbreak(unsigned long addr);
-+int kgdb_skipexception(int exception, struct pt_regs *regs);
-+
-+extern int kgdb_handle_exception(int ex_vector, int signo, int err_code,
-+ struct pt_regs *regs);
-+extern void kgdb_nmihook(int cpu, void *regs);
-+extern int debugger_step;
-+extern atomic_t debugger_active;
-+extern struct kgdb_arch *kgdb_ops;
-+#else
-+/* Stubs for when KGDB is not set. */
-+static const atomic_t debugger_active = ATOMIC_INIT(0);
-+#endif /* CONFIG_KGDB */
-+#endif /* _KGDB_H_ */
-+#endif /* __KERNEL__ */
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/linux/module.h linux-2.6.18-53.1.14.kgdb/include/linux/module.h
---- linux-2.6.18-53.1.14/include/linux/module.h 2008-03-06 05:54:41.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/include/linux/module.h 2008-06-10 15:39:15.000000000 +0400
-@@ -229,8 +229,17 @@ enum module_state
- MODULE_STATE_LIVE,
- MODULE_STATE_COMING,
- MODULE_STATE_GOING,
-+ MODULE_STATE_GONE,
- };
-
-+#ifdef CONFIG_KGDB
-+#define MAX_SECTNAME 31
-+struct mod_section {
-+ void *address;
-+ char name[MAX_SECTNAME + 1];
-+};
-+#endif
-+
- /* Similar stuff for section attributes. */
- #define MODULE_SECT_NAME_LEN 32
- struct module_sect_attr
-@@ -258,6 +267,13 @@ struct module
- /* Unique handle for this module */
- char name[MODULE_NAME_LEN];
-
-+#ifdef CONFIG_KGDB
-+ /* keep kgdb info at the begining so that gdb doesn't have a chance to
-+ * miss out any fields */
-+ unsigned long num_sections;
-+ struct mod_section *mod_sections;
-+#endif
-+
- /* Sysfs stuff. */
- struct module_kobject mkobj;
- struct module_param_attrs *param_attrs;
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/linux/netpoll.h linux-2.6.18-53.1.14.kgdb/include/linux/netpoll.h
---- linux-2.6.18-53.1.14/include/linux/netpoll.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/linux/netpoll.h 2008-06-10 15:37:49.000000000 +0400
-@@ -17,7 +17,7 @@ struct netpoll;
- struct netpoll {
- struct net_device *dev;
- char dev_name[16], *name;
-- void (*rx_hook)(struct netpoll *, int, char *, int);
-+ void (*rx_hook)(struct netpoll *, int, char *, int, struct sk_buff *);
- void (*drop)(struct sk_buff *skb);
- u32 local_ip, remote_ip;
- u16 local_port, remote_port;
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/include/linux/serial_8250.h linux-2.6.18-53.1.14.kgdb/include/linux/serial_8250.h
---- linux-2.6.18-53.1.14/include/linux/serial_8250.h 2006-09-20 07:42:06.000000000 +0400
-+++ linux-2.6.18-53.1.14.kgdb/include/linux/serial_8250.h 2008-06-10 15:37:43.000000000 +0400
-@@ -56,6 +56,7 @@ struct uart_port;
-
- int serial8250_register_port(struct uart_port *);
- void serial8250_unregister_port(int line);
-+void serial8250_unregister_by_port(struct uart_port *port);
- void serial8250_suspend_port(int line);
- void serial8250_resume_port(int line);
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/kernel/Makefile linux-2.6.18-53.1.14.kgdb/kernel/Makefile
---- linux-2.6.18-53.1.14/kernel/Makefile 2008-03-06 05:54:50.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/kernel/Makefile 2008-06-10 15:37:25.000000000 +0400
-@@ -42,6 +42,7 @@ obj-$(CONFIG_STOP_MACHINE) += stop_machi
- obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
- obj-$(CONFIG_AUDITSYSCALL) += auditsc.o audit_tree.o
- obj-$(CONFIG_KPROBES) += kprobes.o
-+obj-$(CONFIG_KGDB) += kgdb.o kgdbarchlib.o
- obj-$(CONFIG_SYSFS) += ksysfs.o
- obj-$(CONFIG_DETECT_SOFTLOCKUP) += softlockup.o
- obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/kernel/kgdb.c linux-2.6.18-53.1.14.kgdb/kernel/kgdb.c
---- linux-2.6.18-53.1.14/kernel/kgdb.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/kernel/kgdb.c 2008-06-10 15:39:21.000000000 +0400
-@@ -0,0 +1,1778 @@
-+/*
-+ * kernel/kgdb.c
-+ *
-+ * Maintainer: Tom Rini <trini@kernel.crashing.org>
-+ *
-+ * Copyright (C) 2000-2001 VERITAS Software Corporation.
-+ * Copyright (C) 2002-2004 Timesys Corporation
-+ * Copyright (C) 2003-2004 Amit S. Kale <amitkale@linsyssoft.com>
-+ * Copyright (C) 2004 Pavel Machek <pavel@suse.cz>
-+ * Copyright (C) 2004-2005 Tom Rini <trini@kernel.crashing.org>
-+ * Copyright (C) 2004-2006 LinSysSoft Technologies Pvt. Ltd.
-+ * Copyright (C) 2005 Wind River Systems, Inc.
-+ *
-+ * Contributors at various stages not listed above:
-+ * Jason Wessel ( jason.wessel@windriver.com )
-+ * George Anzinger <george@mvista.com>
-+ * Anurekh Saxena (anurekh.saxena@timesys.com)
-+ * Lake Stevens Instrument Division (Glenn Engel)
-+ * Jim Kingdon, Cygnus Support.
-+ *
-+ * Original KGDB stub: David Grothe <dave@gcom.com>,
-+ * Tigran Aivazian <tigran@sco.com>
-+ *
-+ * This file is licensed under the terms of the GNU General Public License
-+ * version 2. This program is licensed "as is" without any warranty of any
-+ * kind, whether express or implied.
-+ */
-+
-+#include <linux/string.h>
-+#include <linux/kernel.h>
-+#include <linux/interrupt.h>
-+#include <linux/sched.h>
-+#include <linux/smp.h>
-+#include <linux/spinlock.h>
-+#include <linux/delay.h>
-+#include <linux/mm.h>
-+#include <linux/threads.h>
-+#include <linux/reboot.h>
-+#include <asm/system.h>
-+#include <asm/ptrace.h>
-+#include <asm/uaccess.h>
-+#include <linux/kgdb.h>
-+#include <asm/atomic.h>
-+#include <linux/notifier.h>
-+#include <linux/module.h>
-+#include <asm/cacheflush.h>
-+#include <linux/init.h>
-+#include <linux/sysrq.h>
-+#include <linux/console.h>
-+#include <linux/sched.h>
-+#include <asm/byteorder.h>
-+
-+extern int pid_max;
-+/* How many times to count all of the waiting CPUs */
-+#define ROUNDUP_WAIT 640000 /* Arbitrary, increase if needed. */
-+#define BUF_THREAD_ID_SIZE 16
-+
-+/*
-+ * kgdb_initialized with a value of 1 indicates that kgdb is setup and is
-+ * all ready to serve breakpoints and other kernel exceptions. A value of
-+ * -1 indicates that we have tried to initialize early, and need to try
-+ * again later.
-+ */
-+int kgdb_initialized;
-+/* Is a host GDB connected to us? */
-+int kgdb_connected;
-+/* Could we be about to try and access a bad memory location? If so we
-+ * also need to flag this has happend. */
-+int kgdb_may_fault;
-+/* All the KGDB handlers are installed */
-+int kgdb_from_module_registered = 0;
-+
-+/* We provide a kgdb_io_ops structure that may be overriden. */
-+struct kgdb_io __attribute__ ((weak)) kgdb_io_ops;
-+
-+static struct kgdb_io kgdb_io_ops_prev[MAX_KGDB_IO_HANDLERS];
-+static int kgdb_io_handler_cnt = 0;
-+
-+/* Export the following symbols for use with kernel modules */
-+EXPORT_SYMBOL(kgdb_io_ops);
-+EXPORT_SYMBOL(kgdb_tasklet_breakpoint);
-+EXPORT_SYMBOL(kgdb_connected);
-+EXPORT_SYMBOL(kgdb_register_io_module);
-+EXPORT_SYMBOL(kgdb_unregister_io_module);
-+EXPORT_SYMBOL(debugger_active);
-+
-+/*
-+ * Holds information about breakpoints in a kernel. These breakpoints are
-+ * added and removed by gdb.
-+ */
-+struct kgdb_bkpt kgdb_break[MAX_BREAKPOINTS];
-+
-+static const char hexchars[] = "0123456789abcdef";
-+
-+static spinlock_t slavecpulocks[NR_CPUS];
-+static atomic_t procindebug[NR_CPUS];
-+atomic_t kgdb_setting_breakpoint;
-+EXPORT_SYMBOL(kgdb_setting_breakpoint);
-+struct task_struct *kgdb_usethread, *kgdb_contthread;
-+
-+int debugger_step;
-+atomic_t debugger_active;
-+
-+/* Our I/O buffers. */
-+static char remcom_in_buffer[BUFMAX];
-+static char remcom_out_buffer[BUFMAX];
-+/* Storage for the registers, in GDB format. */
-+static unsigned long gdb_regs[(NUMREGBYTES + sizeof(unsigned long) - 1) /
-+ sizeof(unsigned long)];
-+/* Storage of registers for handling a fault. */
-+unsigned long kgdb_fault_jmp_regs[NUMCRITREGBYTES / sizeof(unsigned long)]
-+ JMP_REGS_ALIGNMENT;
-+static int kgdb_notify_reboot(struct notifier_block *this,
-+ unsigned long code ,void *x);
-+struct debuggerinfo_struct {
-+ void *debuggerinfo;
-+ struct task_struct *task;
-+} kgdb_info[NR_CPUS];
-+
-+/* to keep track of the CPU which is doing the single stepping*/
-+atomic_t cpu_doing_single_step = ATOMIC_INIT(-1);
-+
-+atomic_t kgdb_sync_softlockup[NR_CPUS] = {ATOMIC_INIT(0)};
-+
-+/* reboot notifier block */
-+static struct notifier_block kgdb_reboot_notifier = {
-+ .notifier_call = kgdb_notify_reboot,
-+ .next = NULL,
-+ .priority = INT_MAX,
-+};
-+
-+static int hex(char ch)
-+{
-+ if ((ch >= 'a') && (ch <= 'f'))
-+ return (ch - 'a' + 10);
-+ if ((ch >= '0') && (ch <= '9'))
-+ return (ch - '0');
-+ if ((ch >= 'A') && (ch <= 'F'))
-+ return (ch - 'A' + 10);
-+ return (-1);
-+}
-+
-+/* scan for the sequence $<data>#<checksum> */
-+static void get_packet(char *buffer)
-+{
-+ unsigned char checksum;
-+ unsigned char xmitcsum;
-+ int count;
-+ char ch;
-+ if (!kgdb_io_ops.read_char)
-+ return;
-+ do {
-+ /* Spin and wait around for the start character, ignore all
-+ * other characters */
-+ while ((ch = (kgdb_io_ops.read_char())) != '$') ;
-+ kgdb_connected = 1;
-+ checksum = 0;
-+ xmitcsum = -1;
-+
-+ count = 0;
-+
-+ /* now, read until a # or end of buffer is found */
-+ while (count < (BUFMAX - 1)) {
-+ ch = kgdb_io_ops.read_char();
-+ if (ch == '#')
-+ break;
-+ checksum = checksum + ch;
-+ buffer[count] = ch;
-+ count = count + 1;
-+ }
-+ buffer[count] = 0;
-+
-+ if (ch == '#') {
-+ xmitcsum = hex(kgdb_io_ops.read_char()) << 4;
-+ xmitcsum += hex(kgdb_io_ops.read_char());
-+
-+ if (checksum != xmitcsum)
-+ /* failed checksum */
-+ kgdb_io_ops.write_char('-');
-+ else
-+ /* successful transfer */
-+ kgdb_io_ops.write_char('+');
-+ if (kgdb_io_ops.flush)
-+ kgdb_io_ops.flush();
-+ }
-+ } while (checksum != xmitcsum);
-+}
-+
-+/*
-+ * Send the packet in buffer.
-+ * Check for gdb connection if asked for.
-+ */
-+static void put_packet(char *buffer)
-+{
-+ unsigned char checksum;
-+ int count;
-+ char ch;
-+
-+ if (!kgdb_io_ops.write_char)
-+ return;
-+ /* $<packet info>#<checksum>. */
-+ while (1) {
-+ kgdb_io_ops.write_char('$');
-+ checksum = 0;
-+ count = 0;
-+
-+ while ((ch = buffer[count])) {
-+ kgdb_io_ops.write_char(ch);
-+ checksum += ch;
-+ count++;
-+ }
-+
-+ kgdb_io_ops.write_char('#');
-+ kgdb_io_ops.write_char(hexchars[checksum >> 4]);
-+ kgdb_io_ops.write_char(hexchars[checksum % 16]);
-+ if (kgdb_io_ops.flush)
-+ kgdb_io_ops.flush();
-+
-+ /* Now see what we get in reply. */
-+ ch = kgdb_io_ops.read_char();
-+
-+ if (ch == 3)
-+ ch = kgdb_io_ops.read_char();
-+
-+ /* If we get an ACK, we are done. */
-+ if (ch == '+')
-+ return;
-+
-+ /* If we get the start of another packet, this means
-+ * that GDB is attempting to reconnect. We will NAK
-+ * the packet being sent, and stop trying to send this
-+ * packet. */
-+ if (ch == '$') {
-+ kgdb_io_ops.write_char('-');
-+ if (kgdb_io_ops.flush)
-+ kgdb_io_ops.flush();
-+ return;
-+ }
-+ }
-+}
-+
-+/*
-+ * convert the memory pointed to by mem into hex, placing result in buf
-+ * return a pointer to the last char put in buf (null). May return an error.
-+ */
-+char *kgdb_mem2hex(char *mem, char *buf, int count)
-+{
-+ kgdb_may_fault = 1;
-+ if ((kgdb_fault_setjmp(kgdb_fault_jmp_regs)) != 0) {
-+ kgdb_may_fault = 0;
-+ return ERR_PTR(-EINVAL);
-+ }
-+ /* Accessing some registers in a single load instruction is
-+ * required to avoid bad side effects for some I/O registers.
-+ */
-+ if ((count == 2) && (((long)mem & 1) == 0)) {
-+ unsigned short tmp_s = *(unsigned short *)mem;
-+ mem += 2;
-+#ifdef __BIG_ENDIAN
-+ *buf++ = hexchars[(tmp_s >> 12) & 0xf];
-+ *buf++ = hexchars[(tmp_s >> 8) & 0xf];
-+ *buf++ = hexchars[(tmp_s >> 4) & 0xf];
-+ *buf++ = hexchars[tmp_s & 0xf];
-+#else
-+ *buf++ = hexchars[(tmp_s >> 4) & 0xf];
-+ *buf++ = hexchars[tmp_s & 0xf];
-+ *buf++ = hexchars[(tmp_s >> 12) & 0xf];
-+ *buf++ = hexchars[(tmp_s >> 8) & 0xf];
-+#endif
-+ } else if ((count == 4) && (((long)mem & 3) == 0)) {
-+ unsigned long tmp_l = *(unsigned int *)mem;
-+ mem += 4;
-+#ifdef __BIG_ENDIAN
-+ *buf++ = hexchars[(tmp_l >> 28) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 24) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 20) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 16) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 12) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 8) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 4) & 0xf];
-+ *buf++ = hexchars[tmp_l & 0xf];
-+#else
-+ *buf++ = hexchars[(tmp_l >> 4) & 0xf];
-+ *buf++ = hexchars[tmp_l & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 12) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 8) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 20) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 16) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 28) & 0xf];
-+ *buf++ = hexchars[(tmp_l >> 24) & 0xf];
-+#endif
-+#ifdef CONFIG_64BIT
-+ } else if ((count == 8) && (((long)mem & 7) == 0)) {
-+ unsigned long long tmp_ll = *(unsigned long long *)mem;
-+ mem += 8;
-+#ifdef __BIG_ENDIAN
-+ *buf++ = hexchars[(tmp_ll >> 60) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 56) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 52) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 48) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 44) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 40) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 36) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 32) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 28) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 24) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 20) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 16) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 12) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 8) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 4) & 0xf];
-+ *buf++ = hexchars[tmp_ll & 0xf];
-+#else
-+ *buf++ = hexchars[(tmp_ll >> 4) & 0xf];
-+ *buf++ = hexchars[tmp_ll & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 12) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 8) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 20) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 16) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 28) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 24) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 36) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 32) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 44) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 40) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 52) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 48) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 60) & 0xf];
-+ *buf++ = hexchars[(tmp_ll >> 56) & 0xf];
-+#endif
-+#endif
-+ } else {
-+ while (count-- > 0) {
-+ unsigned char ch = *mem++;
-+ *buf++ = hexchars[ch >> 4];
-+ *buf++ = hexchars[ch & 0xf];
-+ }
-+ }
-+ kgdb_may_fault = 0;
-+ *buf = 0;
-+ return (buf);
-+}
-+
-+/*
-+ * Copy the binary array pointed to by buf into mem. Fix $, #, and
-+ * 0x7d escaped with 0x7d. Return a pointer to the character after
-+ * the last byte written.
-+ */
-+static char *kgdb_ebin2mem(char *buf, char *mem, int count)
-+{
-+ kgdb_may_fault = 1;
-+ if ((kgdb_fault_setjmp(kgdb_fault_jmp_regs)) != 0) {
-+ kgdb_may_fault = 0;
-+ return ERR_PTR(-EINVAL);
-+ }
-+ for (; count > 0; count--, buf++) {
-+ if (*buf == 0x7d)
-+ *mem++ = *(++buf) ^ 0x20;
-+ else
-+ *mem++ = *buf;
-+ }
-+ kgdb_may_fault = 0;
-+ return mem;
-+}
-+
-+/*
-+ * convert the hex array pointed to by buf into binary to be placed in mem
-+ * return a pointer to the character AFTER the last byte written
-+ * May return an error.
-+ */
-+char *kgdb_hex2mem(char *buf, char *mem, int count)
-+{
-+ kgdb_may_fault = 1;
-+ if ((kgdb_fault_setjmp(kgdb_fault_jmp_regs)) != 0) {
-+ kgdb_may_fault = 0;
-+ return ERR_PTR(-EINVAL);
-+ }
-+ if ((count == 2) && (((long)mem & 1) == 0)) {
-+ unsigned short tmp_s = 0;
-+#ifdef __BIG_ENDIAN
-+ tmp_s |= hex(*buf++) << 12;
-+ tmp_s |= hex(*buf++) << 8;
-+ tmp_s |= hex(*buf++) << 4;
-+ tmp_s |= hex(*buf++);
-+#else
-+ tmp_s |= hex(*buf++) << 4;
-+ tmp_s |= hex(*buf++);
-+ tmp_s |= hex(*buf++) << 12;
-+ tmp_s |= hex(*buf++) << 8;
-+#endif
-+ *(unsigned short *)mem = tmp_s;
-+ mem += 2;
-+ } else if ((count == 4) && (((long)mem & 3) == 0)) {
-+ unsigned long tmp_l = 0;
-+#ifdef __BIG_ENDIAN
-+ tmp_l |= hex(*buf++) << 28;
-+ tmp_l |= hex(*buf++) << 24;
-+ tmp_l |= hex(*buf++) << 20;
-+ tmp_l |= hex(*buf++) << 16;
-+ tmp_l |= hex(*buf++) << 12;
-+ tmp_l |= hex(*buf++) << 8;
-+ tmp_l |= hex(*buf++) << 4;
-+ tmp_l |= hex(*buf++);
-+#else
-+ tmp_l |= hex(*buf++) << 4;
-+ tmp_l |= hex(*buf++);
-+ tmp_l |= hex(*buf++) << 12;
-+ tmp_l |= hex(*buf++) << 8;
-+ tmp_l |= hex(*buf++) << 20;
-+ tmp_l |= hex(*buf++) << 16;
-+ tmp_l |= hex(*buf++) << 28;
-+ tmp_l |= hex(*buf++) << 24;
-+#endif
-+ *(unsigned long *)mem = tmp_l;
-+ mem += 4;
-+ } else {
-+ int i;
-+ for (i = 0; i < count; i++) {
-+ unsigned char ch = hex(*buf++) << 4;
-+ ch |= hex(*buf++);
-+ *mem++ = ch;
-+ }
-+ }
-+ kgdb_may_fault = 0;
-+ return (mem);
-+}
-+
-+/*
-+ * While we find nice hex chars, build a long_val.
-+ * Return number of chars processed.
-+ */
-+int kgdb_hex2long(char **ptr, long *long_val)
-+{
-+ int hex_val, num = 0;
-+
-+ *long_val = 0;
-+
-+ while (**ptr) {
-+ hex_val = hex(**ptr);
-+ if (hex_val >= 0) {
-+ *long_val = (*long_val << 4) | hex_val;
-+ num++;
-+ } else
-+ break;
-+
-+ (*ptr)++;
-+ }
-+
-+ return (num);
-+}
-+
-+/* Write memory due to an 'M' or 'X' packet. */
-+static char *write_mem_msg(int binary)
-+{
-+ char *ptr = &remcom_in_buffer[1];
-+ unsigned long addr, length;
-+
-+ if (kgdb_hex2long(&ptr, &addr) > 0 && *(ptr++) == ',' &&
-+ kgdb_hex2long(&ptr, &length) > 0 && *(ptr++) == ':') {
-+ if (binary)
-+ ptr = kgdb_ebin2mem(ptr, (char *)addr, length);
-+ else
-+ ptr = kgdb_hex2mem(ptr, (char *)addr, length);
-+ if (CACHE_FLUSH_IS_SAFE)
-+ flush_icache_range(addr, addr + length + 1);
-+ if (IS_ERR(ptr))
-+ return ptr;
-+ return NULL;
-+ }
-+
-+ return ERR_PTR(-EINVAL);
-+}
-+
-+static inline char *pack_hex_byte(char *pkt, int byte)
-+{
-+ *pkt++ = hexchars[(byte >> 4) & 0xf];
-+ *pkt++ = hexchars[(byte & 0xf)];
-+ return pkt;
-+}
-+
-+static inline void error_packet(char *pkt, int error)
-+{
-+ error = -error;
-+ pkt[0] = 'E';
-+ pkt[1] = hexchars[(error / 10)];
-+ pkt[2] = hexchars[(error % 10)];
-+ pkt[3] = '\0';
-+}
-+
-+static char *pack_threadid(char *pkt, threadref * id)
-+{
-+ char *limit;
-+ unsigned char *altid;
-+
-+ altid = (unsigned char *)id;
-+ limit = pkt + BUF_THREAD_ID_SIZE;
-+ while (pkt < limit)
-+ pkt = pack_hex_byte(pkt, *altid++);
-+
-+ return pkt;
-+}
-+
-+void int_to_threadref(threadref * id, int value)
-+{
-+ unsigned char *scan;
-+ int i = 4;
-+
-+ scan = (unsigned char *)id;
-+ while (i--)
-+ *scan++ = 0;
-+ *scan++ = (value >> 24) & 0xff;
-+ *scan++ = (value >> 16) & 0xff;
-+ *scan++ = (value >> 8) & 0xff;
-+ *scan++ = (value & 0xff);
-+}
-+
-+static struct task_struct *getthread(struct pt_regs *regs, int tid)
-+{
-+ if (last_pid == 0)
-+ return current;
-+
-+ if (num_online_cpus() &&
-+ (tid >= pid_max + num_online_cpus() + kgdb_ops->shadowth))
-+ return NULL;
-+
-+ if (kgdb_ops->shadowth && (tid >= pid_max + num_online_cpus()))
-+ return kgdb_get_shadow_thread(regs, tid - pid_max -
-+ num_online_cpus());
-+
-+ if (tid >= pid_max)
-+ return idle_task(tid - pid_max);
-+
-+ if (!tid)
-+ return NULL;
-+
-+ return find_task_by_pid(tid);
-+}
-+
-+#ifdef CONFIG_SMP
-+static void kgdb_wait(struct pt_regs *regs)
-+{
-+ unsigned long flags;
-+ int processor;
-+
-+ local_irq_save(flags);
-+ processor = smp_processor_id();
-+ kgdb_info[processor].debuggerinfo = regs;
-+ kgdb_info[processor].task = current;
-+ atomic_set(&procindebug[processor], 1);
-+ atomic_set(&kgdb_sync_softlockup[smp_processor_id()], 1);
-+
-+ /* Wait till master processor goes completely into the debugger.
-+ * FIXME: this looks racy */
-+ while (!atomic_read(&procindebug[atomic_read(&debugger_active) - 1])) {
-+ int i = 10; /* an arbitrary number */
-+
-+ while (--i)
-+ cpu_relax();
-+ }
-+
-+ /* Wait till master processor is done with debugging */
-+ spin_lock(&slavecpulocks[processor]);
-+
-+ /* This has been taken from x86 kgdb implementation and
-+ * will be needed by architectures that have SMP support
-+ */
-+ kgdb_correct_hw_break();
-+
-+ kgdb_info[processor].debuggerinfo = NULL;
-+ kgdb_info[processor].task = NULL;
-+
-+ /* Signal the master processor that we are done */
-+ atomic_set(&procindebug[processor], 0);
-+ spin_unlock(&slavecpulocks[processor]);
-+ local_irq_restore(flags);
-+}
-+#endif
-+
-+int kgdb_get_mem(char *addr, unsigned char *buf, int count)
-+{
-+ kgdb_may_fault = 1;
-+ if ((kgdb_fault_setjmp(kgdb_fault_jmp_regs)) != 0) {
-+ kgdb_may_fault = 0;
-+ return -EINVAL;
-+ }
-+ while (count) {
-+ if ((unsigned long)addr < TASK_SIZE)
-+ return -EINVAL;
-+ *buf++ = *addr++;
-+ count--;
-+ }
-+ kgdb_may_fault = 0;
-+ return 0;
-+}
-+
-+int kgdb_set_mem(char *addr, unsigned char *buf, int count)
-+{
-+ kgdb_may_fault = 1;
-+ if ((kgdb_fault_setjmp(kgdb_fault_jmp_regs)) != 0) {
-+ kgdb_may_fault = 0;
-+ return -EINVAL;
-+ }
-+ while (count) {
-+ if ((unsigned long)addr < TASK_SIZE)
-+ return -EINVAL;
-+ *addr++ = *buf++;
-+ count--;
-+ }
-+ kgdb_may_fault = 0;
-+ return 0;
-+}
-+int kgdb_activate_sw_breakpoints(void)
-+{
-+ int i;
-+ int error = 0;
-+ unsigned long addr;
-+ for (i = 0; i < MAX_BREAKPOINTS; i++) {
-+ if (kgdb_break[i].state != bp_set)
-+ continue;
-+ addr = kgdb_break[i].bpt_addr;
-+ if ((error = kgdb_arch_set_breakpoint(addr,
-+ kgdb_break[i].saved_instr)))
-+ return error;
-+
-+ if (CACHE_FLUSH_IS_SAFE) {
-+ if (current->mm && addr < TASK_SIZE)
-+ flush_cache_range(current->mm->mmap_cache,
-+ addr, addr + BREAK_INSTR_SIZE);
-+ else
-+ flush_icache_range(addr, addr +
-+ BREAK_INSTR_SIZE);
-+ }
-+
-+ kgdb_break[i].state = bp_active;
-+ }
-+ return 0;
-+}
-+
-+static int kgdb_set_sw_break(unsigned long addr)
-+{
-+ int i, breakno = -1;
-+ int error = 0;
-+ if ((error = kgdb_validate_break_address(addr)) < 0)
-+ return error;
-+ for (i = 0; i < MAX_BREAKPOINTS; i++) {
-+ if ((kgdb_break[i].state == bp_set) &&
-+ (kgdb_break[i].bpt_addr == addr))
-+ return -EEXIST;
-+ }
-+ for (i = 0; i < MAX_BREAKPOINTS; i++) {
-+ if (kgdb_break[i].state == bp_removed &&
-+ kgdb_break[i].bpt_addr == addr) {
-+ breakno = i;
-+ break;
-+ }
-+ }
-+
-+ if (breakno == -1) {
-+ for (i = 0; i < MAX_BREAKPOINTS; i++) {
-+ if (kgdb_break[i].state == bp_none) {
-+ breakno = i;
-+ break;
-+ }
-+ }
-+ }
-+ if (breakno == -1)
-+ return -E2BIG;
-+
-+ kgdb_break[breakno].state = bp_set;
-+ kgdb_break[breakno].type = bp_breakpoint;
-+ kgdb_break[breakno].bpt_addr = addr;
-+
-+ return 0;
-+}
-+
-+int kgdb_deactivate_sw_breakpoints(void)
-+{
-+ int i;
-+ int error = 0;
-+ unsigned long addr;
-+ for (i = 0; i < MAX_BREAKPOINTS; i++) {
-+ if (kgdb_break[i].state != bp_active)
-+ continue;
-+ addr = kgdb_break[i].bpt_addr;
-+ if ((error = kgdb_arch_remove_breakpoint(addr,
-+ kgdb_break[i].saved_instr)))
-+ return error;
-+
-+ if (CACHE_FLUSH_IS_SAFE && current->mm &&
-+ addr < TASK_SIZE)
-+ flush_cache_range(current->mm->mmap_cache,
-+ addr, addr + BREAK_INSTR_SIZE);
-+ else if (CACHE_FLUSH_IS_SAFE)
-+ flush_icache_range(addr,
-+ addr + BREAK_INSTR_SIZE);
-+ kgdb_break[i].state = bp_set;
-+ }
-+ return 0;
-+}
-+
-+static int kgdb_remove_sw_break(unsigned long addr)
-+{
-+ int i;
-+
-+ for (i = 0; i < MAX_BREAKPOINTS; i++) {
-+ if ((kgdb_break[i].state == bp_set) &&
-+ (kgdb_break[i].bpt_addr == addr)) {
-+ kgdb_break[i].state = bp_removed;
-+ return 0;
-+ }
-+ }
-+ return -ENOENT;
-+}
-+
-+int kgdb_isremovedbreak(unsigned long addr)
-+{
-+ int i;
-+ for (i = 0; i < MAX_BREAKPOINTS; i++) {
-+ if ((kgdb_break[i].state == bp_removed) &&
-+ (kgdb_break[i].bpt_addr == addr)) {
-+ return 1;
-+ }
-+ }
-+ return 0;
-+}
-+
-+int remove_all_break(void)
-+{
-+ int i;
-+ int error;
-+ unsigned long addr;
-+
-+ /* Clear memory breakpoints. */
-+ for (i = 0; i < MAX_BREAKPOINTS; i++) {
-+ if (kgdb_break[i].state != bp_set)
-+ continue;
-+ addr = kgdb_break[i].bpt_addr;
-+ if ((error = kgdb_arch_remove_breakpoint(addr,
-+ kgdb_break[i].saved_instr)))
-+ return error;
-+ kgdb_break[i].state = bp_removed;
-+ }
-+
-+ /* Clear hardware breakpoints. */
-+ kgdb_remove_all_hw_break();
-+
-+ return 0;
-+}
-+
-+static inline int shadow_pid(int realpid)
-+{
-+ if (realpid) {
-+ return realpid;
-+ }
-+ return pid_max + smp_processor_id();
-+}
-+
-+static char gdbmsgbuf[BUFMAX + 1];
-+static void kgdb_msg_write(const char *s, int len)
-+{
-+ int i;
-+ int wcount;
-+ char *bufptr;
-+
-+ /* 'O'utput */
-+ gdbmsgbuf[0] = 'O';
-+
-+ /* Fill and send buffers... */
-+ while (len > 0) {
-+ bufptr = gdbmsgbuf + 1;
-+
-+ /* Calculate how many this time */
-+ if ((len << 1) > (BUFMAX - 2))
-+ wcount = (BUFMAX - 2) >> 1;
-+ else
-+ wcount = len;
-+
-+ /* Pack in hex chars */
-+ for (i = 0; i < wcount; i++)
-+ bufptr = pack_hex_byte(bufptr, s[i]);
-+ *bufptr = '\0';
-+
-+ /* Move up */
-+ s += wcount;
-+ len -= wcount;
-+
-+ /* Write packet */
-+ put_packet(gdbmsgbuf);
-+ }
-+}
-+
-+/*
-+ * This function does all command procesing for interfacing to gdb.
-+ *
-+ * Locking hierarchy:
-+ * interface locks, if any (begin_session)
-+ * kgdb lock (debugger_active)
-+ *
-+ * Note that since we can be in here prior to our cpumask being filled
-+ * out, we err on the side of caution and loop over NR_CPUS instead
-+ * of a for_each_online_cpu.
-+ *
-+ */
-+int kgdb_handle_exception(int ex_vector, int signo, int err_code,
-+ struct pt_regs *linux_regs)
-+{
-+ unsigned long length, addr;
-+ char *ptr;
-+ unsigned long flags;
-+ unsigned i;
-+ long threadid;
-+ threadref thref;
-+ struct task_struct *thread = NULL;
-+ unsigned procid;
-+ int numshadowth = num_online_cpus() + kgdb_ops->shadowth;
-+ long kgdb_usethreadid = 0;
-+ int error = 0, all_cpus_synced = 0;
-+ struct pt_regs *shadowregs;
-+ int processor = smp_processor_id();
-+ void *local_debuggerinfo;
-+
-+ /* Panic on recursive debugger calls. */
-+ if (atomic_read(&debugger_active) == smp_processor_id() + 1)
-+ return 0;
-+
-+ acquirelock:
-+
-+ /* Call the I/O drivers pre_exception routine if the I/O
-+ * driver defined one
-+ */
-+ if (kgdb_io_ops.pre_exception)
-+ kgdb_io_ops.pre_exception();
-+
-+ /*
-+ * Interrupts will be restored by the 'trap return' code, except when
-+ * single stepping.
-+ */
-+ local_irq_save(flags);
-+
-+ /* Hold debugger_active */
-+ procid = smp_processor_id();
-+
-+ while (cmpxchg(&atomic_read(&debugger_active), 0, (procid + 1)) != 0) {
-+ int i = 25; /* an arbitrary number */
-+
-+ while (--i)
-+ cpu_relax();
-+
-+ if (atomic_read(&cpu_doing_single_step) != -1 &&
-+ atomic_read(&cpu_doing_single_step) != procid)
-+ udelay(1);
-+ }
-+
-+ atomic_set(&kgdb_sync_softlockup[smp_processor_id()], 1);
-+
-+ /*
-+ * Don't enter if the last instance of the exception handler wanted to
-+ * come into the debugger again.
-+ */
-+ if (atomic_read(&cpu_doing_single_step) != -1 &&
-+ atomic_read(&cpu_doing_single_step) != procid) {
-+ atomic_set(&debugger_active, 0);
-+ local_irq_restore(flags);
-+ goto acquirelock;
-+ }
-+
-+ /*
-+ * Don't enter if we have hit a removed breakpoint.
-+ */
-+ if (kgdb_skipexception(ex_vector, linux_regs))
-+ goto kgdb_restore;
-+
-+ kgdb_info[processor].debuggerinfo = linux_regs;
-+ kgdb_info[processor].task = current;
-+
-+ kgdb_disable_hw_debug(linux_regs);
-+
-+ if (!debugger_step || !kgdb_contthread)
-+ for (i = 0; i < NR_CPUS; i++)
-+ spin_lock(&slavecpulocks[i]);
-+
-+ /* Make sure we get the other CPUs */
-+ if (!debugger_step || !kgdb_contthread)
-+ kgdb_roundup_cpus(flags);
-+
-+ /* spin_lock code is good enough as a barrier so we don't
-+ * need one here */
-+ atomic_set(&procindebug[processor], 1);
-+
-+ /* Wait a reasonable time for the other CPUs to be notified and
-+ * be waiting for us. Very early on this could be imperfect
-+ * as num_online_cpus() could be 0.*/
-+ for (i = 0; i < ROUNDUP_WAIT; i++) {
-+ int cpu, num = 0;
-+ for (cpu = 0; cpu < NR_CPUS; cpu++) {
-+ if (atomic_read(&procindebug[cpu]))
-+ num++;
-+ }
-+ if (num >= num_online_cpus()) {
-+ all_cpus_synced = 1;
-+ break;
-+ }
-+ }
-+
-+ /* Clear the out buffer. */
-+ memset(remcom_out_buffer, 0, sizeof(remcom_out_buffer));
-+
-+ /* Master processor is completely in the debugger */
-+ kgdb_post_master_code(linux_regs, ex_vector, err_code);
-+ kgdb_deactivate_sw_breakpoints();
-+ debugger_step = 0;
-+ kgdb_contthread = NULL;
-+
-+ if (kgdb_connected) {
-+ /* If we're still unable to roundup all of the CPUs,
-+ * send an 'O' packet informing the user again. */
-+ if (!all_cpus_synced)
-+ kgdb_msg_write("Not all CPUs have been synced for "
-+ "KGDB\n", 39);
-+ /* Reply to host that an exception has occurred */
-+ ptr = remcom_out_buffer;
-+ *ptr++ = 'T';
-+ *ptr++ = hexchars[(signo >> 4) % 16];
-+ *ptr++ = hexchars[signo % 16];
-+ ptr += strlen(strcpy(ptr, "thread:"));
-+ int_to_threadref(&thref, shadow_pid(current->pid));
-+ ptr = pack_threadid(ptr, &thref);
-+ *ptr++ = ';';
-+
-+ put_packet(remcom_out_buffer);
-+ }
-+
-+ kgdb_usethread = kgdb_info[processor].task;
-+ kgdb_usethreadid = shadow_pid(kgdb_info[processor].task->pid);
-+
-+ while (kgdb_io_ops.read_char) {
-+ char *bpt_type;
-+ error = 0;
-+
-+ /* Clear the out buffer. */
-+ memset(remcom_out_buffer, 0, sizeof(remcom_out_buffer));
-+
-+ get_packet(remcom_in_buffer);
-+
-+ switch (remcom_in_buffer[0]) {
-+ case '?':
-+ /* We know that this packet is only sent
-+ * during initial connect. So to be safe,
-+ * we clear out our breakpoints now incase
-+ * GDB is reconnecting. */
-+ remove_all_break();
-+ /* Also, if we haven't been able to roundup all
-+ * CPUs, send an 'O' packet informing the user
-+ * as much. Only need to do this once. */
-+ if (!all_cpus_synced)
-+ kgdb_msg_write("Not all CPUs have been "
-+ "synced for KGDB\n", 39);
-+ remcom_out_buffer[0] = 'S';
-+ remcom_out_buffer[1] = hexchars[signo >> 4];
-+ remcom_out_buffer[2] = hexchars[signo % 16];
-+ break;
-+
-+ case 'g': /* return the value of the CPU registers */
-+ thread = kgdb_usethread;
-+
-+ if (!thread) {
-+ thread = kgdb_info[processor].task;
-+ local_debuggerinfo =
-+ kgdb_info[processor].debuggerinfo;
-+ } else {
-+ local_debuggerinfo = NULL;
-+ for (i = 0; i < NR_CPUS; i++) {
-+ /* Try to find the task on some other
-+ * or possibly this node if we do not
-+ * find the matching task then we try
-+ * to approximate the results.
-+ */
-+ if (thread == kgdb_info[i].task)
-+ local_debuggerinfo =
-+ kgdb_info[i].debuggerinfo;
-+ }
-+ }
-+
-+ /* All threads that don't have debuggerinfo should be
-+ * in __schedule() sleeping, since all other CPUs
-+ * are in kgdb_wait, and thus have debuggerinfo. */
-+ if (kgdb_ops->shadowth &&
-+ kgdb_usethreadid >= pid_max + num_online_cpus()) {
-+ shadowregs = kgdb_shadow_regs(linux_regs,
-+ kgdb_usethreadid -
-+ pid_max -
-+ num_online_cpus
-+ ());
-+ if (!shadowregs) {
-+ error_packet(remcom_out_buffer,
-+ -EINVAL);
-+ break;
-+ }
-+ regs_to_gdb_regs(gdb_regs, shadowregs);
-+ } else if (local_debuggerinfo)
-+ regs_to_gdb_regs(gdb_regs, local_debuggerinfo);
-+ else {
-+ /* Pull stuff saved during
-+ * switch_to; nothing else is
-+ * accessible (or even particularly relevant).
-+ * This should be enough for a stack trace. */
-+ sleeping_thread_to_gdb_regs(gdb_regs, thread);
-+ }
-+ kgdb_mem2hex((char *)gdb_regs, remcom_out_buffer,
-+ NUMREGBYTES);
-+ break;
-+
-+ /* set the value of the CPU registers - return OK */
-+ case 'G':
-+ kgdb_hex2mem(&remcom_in_buffer[1], (char *)gdb_regs,
-+ NUMREGBYTES);
-+
-+ if (kgdb_usethread && kgdb_usethread != current)
-+ error_packet(remcom_out_buffer, -EINVAL);
-+ else {
-+ gdb_regs_to_regs(gdb_regs, linux_regs);
-+ strcpy(remcom_out_buffer, "OK");
-+ }
-+ break;
-+
-+ /* mAA..AA,LLLL Read LLLL bytes at address AA..AA */
-+ case 'm':
-+ ptr = &remcom_in_buffer[1];
-+ if (kgdb_hex2long(&ptr, &addr) > 0 && *ptr++ == ',' &&
-+ kgdb_hex2long(&ptr, &length) > 0) {
-+ if (IS_ERR(ptr = kgdb_mem2hex((char *)addr,
-+ remcom_out_buffer,
-+ length)))
-+ error_packet(remcom_out_buffer,
-+ PTR_ERR(ptr));
-+ } else
-+ error_packet(remcom_out_buffer, -EINVAL);
-+ break;
-+
-+ /* MAA..AA,LLLL: Write LLLL bytes at address AA..AA */
-+ case 'M':
-+ if (IS_ERR(ptr = write_mem_msg(0)))
-+ error_packet(remcom_out_buffer, PTR_ERR(ptr));
-+ else
-+ strcpy(remcom_out_buffer, "OK");
-+ break;
-+ /* XAA..AA,LLLL: Write LLLL bytes at address AA..AA */
-+ case 'X':
-+ if (IS_ERR(ptr = write_mem_msg(1)))
-+ error_packet(remcom_out_buffer, PTR_ERR(ptr));
-+ else
-+ strcpy(remcom_out_buffer, "OK");
-+ break;
-+
-+ /* kill or detach. KGDB should treat this like a
-+ * continue.
-+ */
-+ case 'D':
-+ if ((error = remove_all_break()) < 0) {
-+ error_packet(remcom_out_buffer, error);
-+ } else {
-+ strcpy(remcom_out_buffer, "OK");
-+ kgdb_connected = 0;
-+ }
-+ put_packet(remcom_out_buffer);
-+ goto default_handle;
-+
-+ case 'k':
-+ /* Don't care about error from remove_all_break */
-+ remove_all_break();
-+ kgdb_connected = 0;
-+ goto default_handle;
-+
-+ /* Reboot */
-+ case 'R':
-+ /* For now, only honor R0 */
-+ if (strcmp(remcom_in_buffer, "R0") == 0) {
-+ printk(KERN_CRIT "Executing reboot\n");
-+ strcpy(remcom_out_buffer, "OK");
-+ put_packet(remcom_out_buffer);
-+ emergency_sync();
-+ /* Execution should not return from
-+ * machine_restart()
-+ */
-+ machine_restart(NULL);
-+ kgdb_connected = 0;
-+ goto default_handle;
-+ }
-+
-+ /* query */
-+ case 'q':
-+ switch (remcom_in_buffer[1]) {
-+ case 's':
-+ case 'f':
-+ if (memcmp(remcom_in_buffer + 2, "ThreadInfo",
-+ 10)) {
-+ error_packet(remcom_out_buffer,
-+ -EINVAL);
-+ break;
-+ }
-+
-+ /*
-+ * If we have not yet completed in
-+ * pidhash_init() there isn't much we
-+ * can give back.
-+ */
-+ if (last_pid == 0) {
-+ if (remcom_in_buffer[1] == 'f')
-+ strcpy(remcom_out_buffer,
-+ "m0000000000000001");
-+ break;
-+ }
-+
-+ if (remcom_in_buffer[1] == 'f') {
-+ threadid = 1;
-+ }
-+ remcom_out_buffer[0] = 'm';
-+ ptr = remcom_out_buffer + 1;
-+ for (i = 0; i < 17 && threadid < pid_max +
-+ numshadowth; threadid++) {
-+ thread = getthread(linux_regs,
-+ threadid);
-+ if (thread) {
-+ int_to_threadref(&thref,
-+ threadid);
-+ pack_threadid(ptr, &thref);
-+ ptr += 16;
-+ *(ptr++) = ',';
-+ i++;
-+ }
-+ }
-+ *(--ptr) = '\0';
-+ break;
-+
-+ case 'C':
-+ /* Current thread id */
-+ strcpy(remcom_out_buffer, "QC");
-+
-+ threadid = shadow_pid(current->pid);
-+
-+ int_to_threadref(&thref, threadid);
-+ pack_threadid(remcom_out_buffer + 2, &thref);
-+ break;
-+ case 'T':
-+ if (memcmp(remcom_in_buffer + 1,
-+ "ThreadExtraInfo,", 16)) {
-+ error_packet(remcom_out_buffer,
-+ -EINVAL);
-+ break;
-+ }
-+ threadid = 0;
-+ ptr = remcom_in_buffer + 17;
-+ kgdb_hex2long(&ptr, &threadid);
-+ if (!getthread(linux_regs, threadid)) {
-+ error_packet(remcom_out_buffer,
-+ -EINVAL);
-+ break;
-+ }
-+ if (threadid < pid_max) {
-+ kgdb_mem2hex(getthread(linux_regs,
-+ threadid)->comm,
-+ remcom_out_buffer, 16);
-+ } else if (threadid >= pid_max +
-+ num_online_cpus()) {
-+ kgdb_shadowinfo(linux_regs,
-+ remcom_out_buffer,
-+ threadid - pid_max -
-+ num_online_cpus());
-+ } else {
-+ static char tmpstr[23 +
-+ BUF_THREAD_ID_SIZE];
-+ sprintf(tmpstr, "Shadow task %d"
-+ " for pid 0",
-+ (int)(threadid - pid_max));
-+ kgdb_mem2hex(tmpstr, remcom_out_buffer,
-+ strlen(tmpstr));
-+ }
-+ break;
-+ }
-+ break;
-+
-+ /* task related */
-+ case 'H':
-+ switch (remcom_in_buffer[1]) {
-+ case 'g':
-+ ptr = &remcom_in_buffer[2];
-+ kgdb_hex2long(&ptr, &threadid);
-+ thread = getthread(linux_regs, threadid);
-+ if (!thread && threadid > 0) {
-+ error_packet(remcom_out_buffer,
-+ -EINVAL);
-+ break;
-+ }
-+ kgdb_usethread = thread;
-+ kgdb_usethreadid = threadid;
-+ strcpy(remcom_out_buffer, "OK");
-+ break;
-+
-+ case 'c':
-+ ptr = &remcom_in_buffer[2];
-+ kgdb_hex2long(&ptr, &threadid);
-+ if (!threadid) {
-+ kgdb_contthread = NULL;
-+ } else {
-+ thread = getthread(linux_regs,
-+ threadid);
-+ if (!thread && threadid > 0) {
-+ error_packet(remcom_out_buffer,
-+ -EINVAL);
-+ break;
-+ }
-+ kgdb_contthread = thread;
-+ }
-+ strcpy(remcom_out_buffer, "OK");
-+ break;
-+ }
-+ break;
-+
-+ /* Query thread status */
-+ case 'T':
-+ ptr = &remcom_in_buffer[1];
-+ kgdb_hex2long(&ptr, &threadid);
-+ thread = getthread(linux_regs, threadid);
-+ if (thread)
-+ strcpy(remcom_out_buffer, "OK");
-+ else
-+ error_packet(remcom_out_buffer, -EINVAL);
-+ break;
-+ /* Since GDB-5.3, it's been drafted that '0' is a software
-+ * breakpoint, '1' is a hardware breakpoint, so let's do
-+ * that.
-+ */
-+ case 'z':
-+ case 'Z':
-+ bpt_type = &remcom_in_buffer[1];
-+ ptr = &remcom_in_buffer[2];
-+
-+ if (kgdb_ops->set_hw_breakpoint && *bpt_type >= '1') {
-+ /* Unsupported */
-+ if (*bpt_type > '4')
-+ break;
-+ } else if (*bpt_type != '0' && *bpt_type != '1')
-+ /* Unsupported. */
-+ break;
-+ /* Test if this is a hardware breakpoint, and
-+ * if we support it. */
-+ if (*bpt_type == '1' &&
-+ !kgdb_ops->flags & KGDB_HW_BREAKPOINT)
-+ /* Unsupported. */
-+ break;
-+
-+ if (*(ptr++) != ',') {
-+ error_packet(remcom_out_buffer, -EINVAL);
-+ break;
-+ } else if (kgdb_hex2long(&ptr, &addr)) {
-+ if (*(ptr++) != ',' ||
-+ !kgdb_hex2long(&ptr, &length)) {
-+ error_packet(remcom_out_buffer,
-+ -EINVAL);
-+ break;
-+ }
-+ } else {
-+ error_packet(remcom_out_buffer, -EINVAL);
-+ break;
-+ }
-+
-+ if (remcom_in_buffer[0] == 'Z' && *bpt_type == '0')
-+ error = kgdb_set_sw_break(addr);
-+ else if (remcom_in_buffer[0] == 'Z' && *bpt_type == '1')
-+ error = kgdb_set_hw_break(addr);
-+ else if (remcom_in_buffer[0] == 'z' && *bpt_type == '0')
-+ error = kgdb_remove_sw_break(addr);
-+ else if (remcom_in_buffer[0] == 'z' && *bpt_type == '1')
-+ error = kgdb_remove_hw_break(addr);
-+ else if (remcom_in_buffer[0] == 'Z')
-+ error = kgdb_ops->set_hw_breakpoint(addr,
-+ (int)length,
-+ *bpt_type);
-+ else if (remcom_in_buffer[0] == 'z')
-+ error = kgdb_ops->remove_hw_breakpoint(addr,
-+ (int)
-+ length,
-+ *bpt_type);
-+
-+ if (error == 0)
-+ strcpy(remcom_out_buffer, "OK");
-+ else
-+ error_packet(remcom_out_buffer, error);
-+
-+ break;
-+ case 'c':
-+ case 's':
-+ if (kgdb_contthread && kgdb_contthread != current) {
-+ /* Can't switch threads in kgdb */
-+ error_packet(remcom_out_buffer, -EINVAL);
-+ break;
-+ }
-+ kgdb_activate_sw_breakpoints();
-+ /* Followthrough to default processing */
-+ default:
-+ default_handle:
-+ error = kgdb_arch_handle_exception(ex_vector, signo,
-+ err_code,
-+ remcom_in_buffer,
-+ remcom_out_buffer,
-+ linux_regs);
-+
-+ if (error >= 0 || remcom_in_buffer[0] == 'D' ||
-+ remcom_in_buffer[0] == 'k')
-+ goto kgdb_exit;
-+
-+ } /* switch */
-+
-+ /* reply to the request */
-+ put_packet(remcom_out_buffer);
-+ }
-+
-+ kgdb_exit:
-+ /* Call the I/O driver's post_exception routine if the I/O
-+ * driver defined one.
-+ */
-+ if (kgdb_io_ops.post_exception)
-+ kgdb_io_ops.post_exception();
-+
-+ kgdb_info[processor].debuggerinfo = NULL;
-+ kgdb_info[processor].task = NULL;
-+ atomic_set(&procindebug[processor], 0);
-+
-+ if (!debugger_step || !kgdb_contthread) {
-+ for (i = 0; i < NR_CPUS; i++)
-+ spin_unlock(&slavecpulocks[i]);
-+ /* Wait till all the processors have quit
-+ * from the debugger. */
-+ for (i = 0; i < NR_CPUS; i++) {
-+ while (atomic_read(&procindebug[i])) {
-+ int j = 10; /* an arbitrary number */
-+
-+ while (--j)
-+ cpu_relax();
-+ }
-+ }
-+ }
-+
-+#ifdef CONFIG_SMP
-+ /* This delay has a real purpose. The problem is that if you
-+ * are single-stepping, you are sending an NMI to all the
-+ * other processors to stop them. Interrupts come in, but
-+ * don't get handled. Then you let them go just long enough
-+ * to get into their interrupt routines and use up some stack.
-+ * You stop them again, and then do the same thing. After a
-+ * while you blow the stack on the other processors. This
-+ * delay gives some time for interrupts to be cleared out on
-+ * the other processors.
-+ */
-+ if (debugger_step)
-+ mdelay(2);
-+#endif
-+kgdb_restore:
-+ /* Free debugger_active */
-+ atomic_set(&debugger_active, 0);
-+ local_irq_restore(flags);
-+
-+ return error;
-+}
-+
-+/*
-+ * GDB places a breakpoint at this function to know dynamically
-+ * loaded objects. It's not defined static so that only one instance with this
-+ * name exists in the kernel.
-+ */
-+
-+int module_event(struct notifier_block *self, unsigned long val, void *data)
-+{
-+ return 0;
-+}
-+
-+static struct notifier_block kgdb_module_load_nb = {
-+ .notifier_call = module_event,
-+};
-+
-+void kgdb_nmihook(int cpu, void *regs)
-+{
-+#ifdef CONFIG_SMP
-+ if (!atomic_read(&procindebug[cpu]) && atomic_read(&debugger_active) != (cpu + 1))
-+ kgdb_wait((struct pt_regs *)regs);
-+#endif
-+}
-+
-+/*
-+ * This is called when a panic happens. All we need to do is
-+ * breakpoint().
-+ */
-+static int kgdb_panic_notify(struct notifier_block *self, unsigned long cmd,
-+ void *ptr)
-+{
-+ breakpoint();
-+
-+ return 0;
-+}
-+
-+static struct notifier_block kgdb_panic_notifier = {
-+ .notifier_call = kgdb_panic_notify,
-+};
-+
-+/*
-+ * Initialization that needs to be done in either of our entry points.
-+ */
-+static void __init kgdb_internal_init(void)
-+{
-+ int i;
-+
-+ /* Initialize our spinlocks. */
-+ for (i = 0; i < NR_CPUS; i++)
-+ spin_lock_init(&slavecpulocks[i]);
-+
-+ for (i = 0; i < MAX_BREAKPOINTS; i++)
-+ kgdb_break[i].state = bp_none;
-+
-+ /* Initialize the I/O handles */
-+ memset(&kgdb_io_ops_prev, 0, sizeof(kgdb_io_ops_prev));
-+
-+ /* We can't do much if this fails */
-+ register_module_notifier(&kgdb_module_load_nb);
-+
-+ kgdb_initialized = 1;
-+}
-+
-+static void kgdb_register_for_panic(void)
-+{
-+ /* Register for panics(). */
-+ /* The registration is done in the kgdb_register_for_panic
-+ * routine because KGDB should not try to handle a panic when
-+ * there are no kgdb_io_ops setup. It is assumed that the
-+ * kgdb_io_ops are setup at the time this method is called.
-+ */
-+ if (!kgdb_from_module_registered) {
-+ atomic_notifier_chain_register(&panic_notifier_list,
-+ &kgdb_panic_notifier);
-+ kgdb_from_module_registered = 1;
-+ }
-+}
-+
-+static void kgdb_unregister_for_panic(void)
-+{
-+ /* When this routine is called KGDB should unregister from the
-+ * panic handler and clean up, making sure it is not handling any
-+ * break exceptions at the time.
-+ */
-+ if (kgdb_from_module_registered) {
-+ kgdb_from_module_registered = 0;
-+ atomic_notifier_chain_unregister(&panic_notifier_list,
-+ &kgdb_panic_notifier);
-+ }
-+}
-+
-+int kgdb_register_io_module(struct kgdb_io *local_kgdb_io_ops)
-+{
-+
-+ if (kgdb_connected) {
-+ printk(KERN_ERR "kgdb: Cannot load I/O module while KGDB "
-+ "connected.\n");
-+ return -EINVAL;
-+ }
-+
-+ /* Save the old values so they can be restored */
-+ if (kgdb_io_handler_cnt >= MAX_KGDB_IO_HANDLERS) {
-+ printk(KERN_ERR "kgdb: No more I/O handles available.\n");
-+ return -EINVAL;
-+ }
-+
-+ /* Check to see if there is an existing driver and if so save its
-+ * values. Also check to make sure the same driver was not trying
-+ * to re-register.
-+ */
-+ if (kgdb_io_ops.read_char != NULL &&
-+ kgdb_io_ops.read_char != local_kgdb_io_ops->read_char) {
-+ memcpy(&kgdb_io_ops_prev[kgdb_io_handler_cnt],
-+ &kgdb_io_ops, sizeof(struct kgdb_io));
-+ kgdb_io_handler_cnt++;
-+ }
-+
-+ /* Initialize the io values for this module */
-+ memcpy(&kgdb_io_ops, local_kgdb_io_ops, sizeof(struct kgdb_io));
-+
-+ /* Make the call to register kgdb if is not initialized */
-+ kgdb_register_for_panic();
-+
-+ return 0;
-+}
-+
-+void kgdb_unregister_io_module(struct kgdb_io *local_kgdb_io_ops)
-+{
-+ int i;
-+
-+ /* Unregister KGDB if there were no other prior io hooks, else
-+ * restore the io hooks.
-+ */
-+ if (kgdb_io_handler_cnt > 0 && kgdb_io_ops_prev[0].read_char != NULL) {
-+ /* First check if the hook that is in use is the one being
-+ * removed */
-+ if (kgdb_io_ops.read_char == local_kgdb_io_ops->read_char) {
-+ /* Set 'i' to the value of where the list should be
-+ * shifed */
-+ i = kgdb_io_handler_cnt - 1;
-+ memcpy(&kgdb_io_ops, &kgdb_io_ops_prev[i],
-+ sizeof(struct kgdb_io));
-+ } else {
-+ /* Simple case to remove an entry for an I/O handler
-+ * that is not in use */
-+ for (i = 0; i < kgdb_io_handler_cnt; i++) {
-+ if (kgdb_io_ops_prev[i].read_char ==
-+ local_kgdb_io_ops->read_char)
-+ break;
-+ }
-+ }
-+
-+ /* Shift all the entries in the handler array so it is
-+ * ordered from oldest to newest.
-+ */
-+ kgdb_io_handler_cnt--;
-+ for (; i < kgdb_io_handler_cnt; i++) {
-+ memcpy(&kgdb_io_ops_prev[i], &kgdb_io_ops_prev[i + 1],
-+ sizeof(struct kgdb_io));
-+ }
-+ /* Handle the case if we are on the last element and set it
-+ * to NULL; */
-+ memset(&kgdb_io_ops_prev[kgdb_io_handler_cnt], 0,
-+ sizeof(struct kgdb_io));
-+
-+ if (kgdb_connected)
-+ printk(KERN_ERR "kgdb: WARNING: I/O method changed "
-+ "while kgdb was connected state.\n");
-+ } else {
-+ /* KGDB is no longer able to communicate out, so
-+ * unregister our hooks and reset state. */
-+ kgdb_unregister_for_panic();
-+ if (kgdb_connected) {
-+ printk(KERN_CRIT "kgdb: I/O module was unloaded while "
-+ "a debugging session was running. "
-+ "KGDB will be reset.\n");
-+ if (remove_all_break() < 0)
-+ printk(KERN_CRIT "kgdb: Reset failed.\n");
-+ kgdb_connected = 0;
-+ }
-+ memset(&kgdb_io_ops, 0, sizeof(struct kgdb_io));
-+ }
-+}
-+
-+/*
-+ * There are times we need to call a tasklet to cause a breakpoint
-+ * as calling breakpoint() at that point might be fatal. We have to
-+ * check that the exception stack is setup, as tasklets may be scheduled
-+ * prior to this. When that happens, it is up to the architecture to
-+ * schedule this when it is safe to run.
-+ */
-+static void kgdb_tasklet_bpt(unsigned long ing)
-+{
-+ if(CHECK_EXCEPTION_STACK())
-+ breakpoint();
-+}
-+
-+DECLARE_TASKLET(kgdb_tasklet_breakpoint, kgdb_tasklet_bpt, 0);
-+
-+/*
-+ * This function can be called very early, either via early_param() or
-+ * an explicit breakpoint() early on.
-+ */
-+static void __init kgdb_early_entry(void)
-+{
-+ /*
-+ * Don't try and do anything until the architecture is able to
-+ * setup the exception stack. In this case, it is up to the
-+ * architecture to hook in and look at us when they are ready.
-+ */
-+ if(!CHECK_EXCEPTION_STACK()) {
-+ kgdb_initialized = -1;
-+ tasklet_schedule(&kgdb_tasklet_breakpoint);
-+ return;
-+ }
-+
-+ /* Let the architecture do any setup that it needs to. */
-+ kgdb_arch_init();
-+
-+ /* Now try the I/O. */
-+ /* For early entry kgdb_io_ops.init must be defined */
-+ if (!kgdb_io_ops.init || kgdb_io_ops.init()) {
-+ /* Try again later. */
-+ kgdb_initialized = -1;
-+ return;
-+ }
-+
-+ /* Finish up. */
-+ kgdb_internal_init();
-+
-+ /* KGDB can assume that if kgdb_io_ops.init was defined that the
-+ * panic registion should be performed at this time. This means
-+ * kgdb_io_ops.init did not come from a kernel module and was
-+ * initialized statically by a built in.
-+ */
-+ if (kgdb_io_ops.init)
-+ kgdb_register_for_panic();
-+}
-+
-+/*
-+ * This function will always be invoked to make sure that KGDB will grab
-+ * what it needs to so that if something happens while the system is
-+ * running, KGDB will get involved. If kgdb_early_entry() has already
-+ * been invoked, there is little we need to do.
-+ */
-+static int __init kgdb_late_entry(void)
-+{
-+ int need_break = 0;
-+
-+ /* If kgdb_initialized is -1 then we were passed kgdbwait. */
-+ if (kgdb_initialized == -1)
-+ need_break = 1;
-+
-+ /*
-+ * If we haven't tried to initialize KGDB yet, we need to call
-+ * kgdb_arch_init before moving onto the I/O.
-+ */
-+ if (!kgdb_initialized)
-+ kgdb_arch_init();
-+
-+ if (kgdb_initialized != 1) {
-+ if (kgdb_io_ops.init && kgdb_io_ops.init()) {
-+ /* When KGDB allows I/O via modules and the core
-+ * I/O init fails KGDB must default to defering the
-+ * I/O setup, and appropriately print an error about
-+ * it.
-+ */
-+ printk(KERN_ERR "kgdb: Could not setup core I/O "
-+ "for KGDB.\n");
-+ printk(KERN_INFO "kgdb: Defering I/O setup to kernel "
-+ "module.\n");
-+ memset(&kgdb_io_ops, 0, sizeof(struct kgdb_io));
-+ }
-+
-+ kgdb_internal_init();
-+
-+ /* KGDB can assume that if kgdb_io_ops.init was defined that
-+ * panic registion should be performed at this time. This means
-+ * kgdb_io_ops.init did not come from a kernel module and was
-+ * initialized statically by a built in.
-+ */
-+ if (kgdb_io_ops.init)
-+ kgdb_register_for_panic();
-+ }
-+
-+ /* Registering to reboot notifier list*/
-+ register_reboot_notifier(&kgdb_reboot_notifier);
-+
-+ /* Now do any late init of the I/O. */
-+ if (kgdb_io_ops.late_init)
-+ kgdb_io_ops.late_init();
-+
-+ if (need_break) {
-+ printk(KERN_CRIT "kgdb: Waiting for connection from remote"
-+ " gdb...\n");
-+ breakpoint();
-+ }
-+
-+ return 0;
-+}
-+
-+late_initcall(kgdb_late_entry);
-+
-+/*
-+ * This function will generate a breakpoint exception. It is used at the
-+ * beginning of a program to sync up with a debugger and can be used
-+ * otherwise as a quick means to stop program execution and "break" into
-+ * the debugger.
-+ */
-+void breakpoint(void)
-+{
-+ if (kgdb_initialized != 1) {
-+ kgdb_early_entry();
-+ if (kgdb_initialized == 1)
-+ printk(KERN_CRIT "Waiting for connection from remote "
-+ "gdb...\n");
-+ else {
-+ printk(KERN_CRIT "KGDB cannot initialize I/O yet.\n");
-+ return;
-+ }
-+ }
-+
-+ atomic_set(&kgdb_setting_breakpoint, 1);
-+ wmb();
-+ BREAKPOINT();
-+ wmb();
-+ atomic_set(&kgdb_setting_breakpoint, 0);
-+}
-+
-+EXPORT_SYMBOL(breakpoint);
-+
-+#ifdef CONFIG_MAGIC_SYSRQ
-+static void sysrq_handle_gdb(int key, struct pt_regs *pt_regs,
-+ struct tty_struct *tty)
-+{
-+ printk("Entering GDB stub\n");
-+ breakpoint();
-+}
-+static struct sysrq_key_op sysrq_gdb_op = {
-+ .handler = sysrq_handle_gdb,
-+ .help_msg = "Gdb",
-+ .action_msg = "GDB",
-+};
-+
-+static int gdb_register_sysrq(void)
-+{
-+ printk("Registering GDB sysrq handler\n");
-+ register_sysrq_key('g', &sysrq_gdb_op);
-+ return 0;
-+}
-+
-+module_init(gdb_register_sysrq);
-+#endif
-+
-+static int kgdb_notify_reboot(struct notifier_block *this,
-+ unsigned long code, void *x)
-+{
-+
-+ unsigned long flags;
-+
-+ /* If we're debugging, or KGDB has not connected, don't try
-+ * and print. */
-+ if (!kgdb_connected || atomic_read(&debugger_active) != 0)
-+ return 0;
-+ if ((code == SYS_RESTART) || (code == SYS_HALT) || (code == SYS_POWER_OFF)){
-+ local_irq_save(flags);
-+ put_packet("X00");
-+ local_irq_restore(flags);
-+ }
-+ return NOTIFY_DONE;
-+}
-+
-+#ifdef CONFIG_KGDB_CONSOLE
-+void kgdb_console_write(struct console *co, const char *s, unsigned count)
-+{
-+ unsigned long flags;
-+
-+ /* If we're debugging, or KGDB has not connected, don't try
-+ * and print. */
-+ if (!kgdb_connected || atomic_read(&debugger_active) != 0)
-+ return;
-+
-+ local_irq_save(flags);
-+ kgdb_msg_write(s, count);
-+ local_irq_restore(flags);
-+}
-+
-+struct console kgdbcons = {
-+ .name = "kgdb",
-+ .write = kgdb_console_write,
-+ .flags = CON_PRINTBUFFER | CON_ENABLED,
-+};
-+static int __init kgdb_console_init(void)
-+{
-+ register_console(&kgdbcons);
-+ return 0;
-+}
-+
-+console_initcall(kgdb_console_init);
-+#endif
-+
-+static int __init opt_kgdb_enter(char *str)
-+{
-+ /* We've already done this by an explicit breakpoint() call. */
-+ if (kgdb_initialized)
-+ return 0;
-+
-+ /* Call breakpoint() which will take care of init. */
-+ breakpoint();
-+
-+ return 0;
-+}
-+
-+early_param("kgdbwait", opt_kgdb_enter);
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/kernel/kgdbarchlib.c linux-2.6.18-53.1.14.kgdb/kernel/kgdbarchlib.c
---- linux-2.6.18-53.1.14/kernel/kgdbarchlib.c 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/kernel/kgdbarchlib.c 2008-06-10 15:37:25.000000000 +0400
-@@ -0,0 +1,198 @@
-+#include <linux/kgdb.h>
-+
-+struct kgdb_arch *kgdb_ops = &arch_kgdb_ops;
-+
-+/**
-+ * kgdb_arch_init - Perform any architecture specific initalization.
-+ *
-+ * RETURN:
-+ * The return value is ignored.
-+ *
-+ * This function will handle the initalization of any architecture
-+ * specific hooks.
-+ */
-+int __attribute__ ((weak))
-+ kgdb_arch_init(void)
-+{
-+ return 0;
-+}
-+
-+/**
-+ * kgdb_disable_hw_debug - Disable hardware debugging while we in kgdb.
-+ * @regs: Current &struct pt_regs.
-+ *
-+ * This function will be called if the particular architecture must
-+ * disable hardware debugging while it is processing gdb packets or
-+ * handling exception.
-+ */
-+void __attribute__ ((weak))
-+ kgdb_disable_hw_debug(struct pt_regs *regs)
-+{
-+}
-+
-+/*
-+ * Skip an int3 exception when it occurs after a breakpoint has been
-+ * removed. Backtrack eip by 1 since the int3 would have caused it to
-+ * increment by 1.
-+ */
-+int __attribute__ ((weak))
-+ kgdb_skipexception(int exception, struct pt_regs *regs)
-+{
-+ return 0;
-+}
-+
-+/**
-+ * kgdb_set_hw_break - Set a hardware breakpoint at @addr.
-+ * @addr: The address to set a hardware breakpoint at.
-+ */
-+int __attribute__ ((weak))
-+ kgdb_set_hw_break(unsigned long addr)
-+{
-+ return 0;
-+}
-+
-+/**
-+ * kgdb_remove_hw_break - Remove a hardware breakpoint at @addr.
-+ * @addr: The address to remove a hardware breakpoint from.
-+ */
-+int __attribute__ ((weak))
-+ kgdb_remove_hw_break(unsigned long addr)
-+{
-+ return 0;
-+}
-+
-+/**
-+ * kgdb_remove_all_hw_break - Clear all hardware breakpoints.
-+ */
-+void __attribute__ ((weak))
-+ kgdb_remove_all_hw_break(void)
-+{
-+}
-+
-+/**
-+ * kgdb_correct_hw_break - Correct hardware breakpoints.
-+ *
-+ * A hook to allow for changes to the hardware breakpoint, called
-+ * after a single step (s) or continue (c) packet, and once we're about
-+ * to let the kernel continue running.
-+ *
-+ * This is used to set the hardware breakpoint registers for all the
-+ * slave cpus on an SMP configuration. This must be called after any
-+ * changes are made to the hardware breakpoints (such as by a single
-+ * step (s) or continue (c) packet. This is only required on
-+ * architectures that support SMP and every processor has its own set
-+ * of breakpoint registers.
-+ */
-+void __attribute__ ((weak))
-+ kgdb_correct_hw_break(void)
-+{
-+}
-+
-+/**
-+ * kgdb_post_master_code - Save error vector/code numbers.
-+ * @regs: Original pt_regs.
-+ * @e_vector: Original error vector.
-+ * @err_code: Original error code.
-+ *
-+ * This is needed on architectures which support SMP and KGDB.
-+ * This function is called after all the slave cpus have been put
-+ * to a know spin state and the master CPU has control over KGDB.
-+ */
-+
-+void __attribute__ ((weak))
-+ kgdb_post_master_code(struct pt_regs *regs, int e_vector, int err_code)
-+{
-+}
-+
-+/**
-+ * kgdb_roundup_cpus - Get other CPUs into a holding pattern
-+ * @flags: Current IRQ state
-+ *
-+ * On SMP systems, we need to get the attention of the other CPUs
-+ * and get them be in a known state. This should do what is needed
-+ * to get the other CPUs to call kgdb_wait(). Note that on some arches,
-+ * the NMI approach is not used for rounding up all the CPUs. For example,
-+ * in case of MIPS, smp_call_function() is used to roundup CPUs. In
-+ * this case, we have to make sure that interrupts are enabled before
-+ * calling smp_call_function(). The argument to this function is
-+ * the flags that will be used when restoring the interrupts. There is
-+ * local_irq_save() call before kgdb_roundup_cpus().
-+ */
-+void __attribute__ ((weak))
-+ kgdb_roundup_cpus(unsigned long flags)
-+{
-+}
-+
-+/**
-+ * kgdb_shadowinfo - Get shadowed information on @threadid.
-+ * @regs: The &struct pt_regs of the current process.
-+ * @buffer: A buffer of %BUFMAX size.
-+ * @threadid: The thread id of the shadowed process to get information on.
-+ */
-+void __attribute__ ((weak))
-+ kgdb_shadowinfo(struct pt_regs *regs, char *buffer, unsigned threadid)
-+{
-+}
-+
-+/**
-+ * kgdb_get_shadow_thread - Get the shadowed &task_struct of @threadid.
-+ * @regs: The &struct pt_regs of the current thread.
-+ * @threadid: The thread id of the shadowed process to get information on.
-+ *
-+ * RETURN:
-+ * This returns a pointer to the &struct task_struct of the shadowed
-+ * thread, @threadid.
-+ */
-+struct task_struct __attribute__ ((weak))
-+ * kgdb_get_shadow_thread(struct pt_regs *regs, int threadid)
-+{
-+ return NULL;
-+}
-+
-+/**
-+ * kgdb_shadow_regs - Return the shadowed registers of @threadid.
-+ * @regs: The &struct pt_regs of the current thread.
-+ * @threadid: The thread id we want the &struct pt_regs for.
-+ *
-+ * RETURN:
-+ * The a pointer to the &struct pt_regs of the shadowed thread @threadid.
-+ */
-+struct pt_regs __attribute__ ((weak))
-+ * kgdb_shadow_regs(struct pt_regs *regs, int threadid)
-+{
-+ return NULL;
-+}
-+
-+int __attribute__ ((weak))
-+ kgdb_validate_break_address(unsigned long addr)
-+{
-+ int error = 0;
-+ char tmp_variable[BREAK_INSTR_SIZE];
-+ error = kgdb_get_mem((char *)addr, tmp_variable, BREAK_INSTR_SIZE);
-+ return error;
-+}
-+
-+int __attribute__ ((weak))
-+ kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr)
-+{
-+ int error = 0;
-+ if ((error = kgdb_get_mem((char *)addr,
-+ saved_instr, BREAK_INSTR_SIZE)) < 0)
-+ return error;
-+
-+ if ((error = kgdb_set_mem((char *)addr, kgdb_ops->gdb_bpt_instr,
-+ BREAK_INSTR_SIZE)) < 0)
-+ return error;
-+ return 0;
-+}
-+
-+int __attribute__ ((weak))
-+ kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle)
-+{
-+
-+ int error = 0;
-+ if ((error =kgdb_set_mem((char *)addr, (char *)bundle,
-+ BREAK_INSTR_SIZE)) < 0)
-+ return error;
-+ return 0;
-+}
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/kernel/module.c linux-2.6.18-53.1.14.kgdb/kernel/module.c
---- linux-2.6.18-53.1.14/kernel/module.c 2008-03-06 05:54:13.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/kernel/module.c 2008-06-10 15:39:15.000000000 +0400
-@@ -65,6 +65,7 @@ static DEFINE_SPINLOCK(modlist_lock);
- /* List of modules, protected by module_mutex AND modlist_lock */
- static DEFINE_MUTEX(module_mutex);
- static LIST_HEAD(modules);
-+static DECLARE_MUTEX(notify_mutex);
-
- static BLOCKING_NOTIFIER_HEAD(module_notify_list);
-
-@@ -701,6 +702,12 @@ sys_delete_module(const char __user *nam
- if (ret != 0)
- goto out;
-
-+ down(¬ify_mutex);
-+ blocking_notifier_call_chain(&module_notify_list, MODULE_STATE_GOING,
-+ mod);
-+ up(¬ify_mutex);
-+
-+
- /* Never wait if forced. */
- if (!forced && module_refcount(mod) != 0)
- wait_for_zero_refcount(mod);
-@@ -713,6 +720,11 @@ sys_delete_module(const char __user *nam
- }
- free_module(mod);
-
-+ down(¬ify_mutex);
-+ blocking_notifier_call_chain(&module_notify_list, MODULE_STATE_GONE,
-+ NULL);
-+ up(¬ify_mutex);
-+
- out:
- mutex_unlock(&module_mutex);
- return ret;
-@@ -1119,6 +1131,11 @@ static void free_module(struct module *m
- /* Arch-specific cleanup. */
- module_arch_cleanup(mod);
-
-+#ifdef CONFIG_KGDB
-+ /* kgdb info */
-+ vfree(mod->mod_sections);
-+#endif
-+
- /* Module unload stuff */
- module_unload_free(mod);
-
-@@ -1378,6 +1395,31 @@ static void setup_modinfo(struct module
- }
- }
-
-+#ifdef CONFIG_KGDB
-+int add_modsects (struct module *mod, Elf_Ehdr *hdr, Elf_Shdr *sechdrs, const
-+ char *secstrings)
-+{
-+ int i;
-+
-+ mod->num_sections = hdr->e_shnum - 1;
-+ mod->mod_sections = vmalloc((hdr->e_shnum - 1)*
-+ sizeof (struct mod_section));
-+
-+ if (mod->mod_sections == NULL) {
-+ return -ENOMEM;
-+ }
-+
-+ for (i = 1; i < hdr->e_shnum; i++) {
-+ mod->mod_sections[i - 1].address = (void *)sechdrs[i].sh_addr;
-+ strncpy(mod->mod_sections[i - 1].name, secstrings +
-+ sechdrs[i].sh_name, MAX_SECTNAME);
-+ mod->mod_sections[i - 1].name[MAX_SECTNAME] = '\0';
-+ }
-+
-+ return 0;
-+}
-+#endif
-+
- #ifdef CONFIG_KALLSYMS
- int is_exported(const char *name, const struct module *mod)
- {
-@@ -1796,6 +1838,12 @@ static struct module *load_module(void _
-
- add_kallsyms(mod, sechdrs, symindex, strindex, secstrings);
-
-+#ifdef CONFIG_KGDB
-+ if ((err = add_modsects(mod, hdr, sechdrs, secstrings)) < 0) {
-+ goto nomodsectinfo;
-+ }
-+#endif
-+
- err = module_finalize(hdr, sechdrs, mod);
- if (err < 0)
- goto cleanup;
-@@ -1856,6 +1904,11 @@ static struct module *load_module(void _
- arch_cleanup:
- module_arch_cleanup(mod);
- cleanup:
-+
-+#ifdef CONFIG_KGDB
-+nomodsectinfo:
-+ vfree(mod->mod_sections);
-+#endif
- module_unload_free(mod);
- module_free(mod, mod->module_init);
- free_core:
-@@ -1927,6 +1980,10 @@ sys_init_module(void __user *umod,
- /* Init routine failed: abort. Try to protect us from
- buggy refcounters. */
- mod->state = MODULE_STATE_GOING;
-+ down(¬ify_mutex);
-+ blocking_notifier_call_chain(&module_notify_list, MODULE_STATE_GOING,
-+ mod);
-+ up(¬ify_mutex);
- synchronize_sched();
- if (mod->unsafe)
- printk(KERN_ERR "%s: module is now stuck!\n",
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/kernel/sched.c linux-2.6.18-53.1.14.kgdb/kernel/sched.c
---- linux-2.6.18-53.1.14/kernel/sched.c 2008-03-06 05:54:44.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/kernel/sched.c 2008-06-10 15:37:25.000000000 +0400
-@@ -52,6 +52,7 @@
- #include <linux/acct.h>
- #include <linux/kprobes.h>
- #include <linux/delayacct.h>
-+#include <linux/kgdb.h>
- #include <asm/tlb.h>
-
- #include <asm/unistd.h>
-@@ -6835,6 +6836,9 @@ void __might_sleep(char *file, int line)
- #ifdef in_atomic
- static unsigned long prev_jiffy; /* ratelimiting */
-
-+ if (atomic_read(&debugger_active))
-+ return;
-+
- if ((in_atomic() || irqs_disabled()) &&
- system_state == SYSTEM_RUNNING && !oops_in_progress) {
- if (time_before(jiffies, prev_jiffy + HZ) && prev_jiffy)
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/kernel/softlockup.c linux-2.6.18-53.1.14.kgdb/kernel/softlockup.c
---- linux-2.6.18-53.1.14/kernel/softlockup.c 2008-03-06 05:54:44.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/kernel/softlockup.c 2008-06-10 15:39:21.000000000 +0400
-@@ -13,6 +13,7 @@
- #include <linux/kthread.h>
- #include <linux/notifier.h>
- #include <linux/module.h>
-+#include <linux/kgdb.h>
-
- static DEFINE_SPINLOCK(print_lock);
-
-@@ -37,6 +38,9 @@ static struct notifier_block panic_block
- void touch_softlockup_watchdog(void)
- {
- __raw_get_cpu_var(touch_timestamp) = jiffies;
-+#ifdef CONFIG_KGDB
-+ atomic_set(&kgdb_sync_softlockup[raw_smp_processor_id()], 0);
-+#endif
- }
- EXPORT_SYMBOL(touch_softlockup_watchdog);
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/kernel/timer.c linux-2.6.18-53.1.14.kgdb/kernel/timer.c
---- linux-2.6.18-53.1.14/kernel/timer.c 2008-03-06 05:54:50.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/kernel/timer.c 2008-06-10 15:39:21.000000000 +0400
-@@ -34,6 +34,7 @@
- #include <linux/cpu.h>
- #include <linux/syscalls.h>
- #include <linux/delay.h>
-+#include <linux/kgdb.h>
-
- #include <asm/uaccess.h>
- #include <asm/unistd.h>
-@@ -1385,7 +1386,11 @@ static void run_timer_softirq(struct sof
- */
- void run_local_timers(void)
- {
-+ int this_cpu = smp_processor_id();
- raise_softirq(TIMER_SOFTIRQ);
-+#ifdef CONFIG_KGDB
-+ if(!atomic_read(&kgdb_sync_softlockup[this_cpu]))
-+#endif
- softlockup_tick();
- }
-
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/lib/Kconfig.debug linux-2.6.18-53.1.14.kgdb/lib/Kconfig.debug
---- linux-2.6.18-53.1.14/lib/Kconfig.debug 2008-03-06 05:54:32.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/lib/Kconfig.debug 2008-06-10 15:38:56.000000000 +0400
-@@ -324,7 +324,7 @@ config DEBUG_LIST
-
- config FRAME_POINTER
- bool "Compile the kernel with frame pointers"
-- depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390)
-+ depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390 || SUPERH)
- default y if DEBUG_INFO && UML
- help
- If you say Y here the resulting kernel image will be slightly larger
-@@ -377,3 +377,158 @@ config RCU_TORTURE_TEST
- at boot time (you probably don't).
- Say M if you want the RCU torture tests to build as a module.
- Say N if you are unsure.
-+
-+config WANT_EXTRA_DEBUG_INFORMATION
-+ bool
-+ select DEBUG_INFO
-+ select FRAME_POINTER if X86 || SUPERH
-+ default n
-+
-+config KGDB
-+ bool "KGDB: kernel debugging with remote gdb"
-+ select WANT_EXTRA_DEBUG_INFORMATION
-+ depends on DEBUG_KERNEL && (ARM || X86 || MIPS || (SUPERH && !SUPERH64) || IA64 || X86_64 || PPC)
-+ help
-+ If you say Y here, it will be possible to remotely debug the
-+ kernel using gdb. It is strongly suggested that you enable
-+ DEBUG_INFO, and if available on your platform, FRAME_POINTER.
-+ Documentation of kernel debugger available at
-+ http://kgdb.sourceforge.net as well as in DocBook form
-+ in Documentation/DocBook/. If unsure, say N.
-+
-+config KGDB_CONSOLE
-+ bool "KGDB: Console messages through gdb"
-+ depends on KGDB
-+ help
-+ If you say Y here, console messages will appear through gdb.
-+ Other consoles such as tty or ttyS will continue to work as usual.
-+ Note, that if you use this in conjunction with KGDB_ETH, if the
-+ ethernet driver runs into an error condition during use with KGDB
-+ it is possible to hit an infinite recusrion, causing the kernel
-+ to crash, and typically reboot. For this reason, it is preferable
-+ to use NETCONSOLE in conjunction with KGDB_ETH instead of
-+ KGDB_CONSOLE.
-+
-+choice
-+ prompt "Method for KGDB communication"
-+ depends on KGDB
-+ default KGDB_8250_NOMODULE
-+ default KGDB_MPSC if SERIAL_MPSC
-+ default KGDB_CPM_UART if (8xx || 8260)
-+ default KGDB_SIBYTE if SIBYTE_SB1xxx_SOC
-+ help
-+ There are a number of different ways in which you can communicate
-+ with KGDB. The most common is via serial, with the 8250 driver
-+ (should your hardware have an 8250, or ns1655x style uart).
-+ Another option is to use the NETPOLL framework and UDP, should
-+ your ethernet card support this. Other options may exist.
-+ You can elect to have one core I/O driver that is built into the
-+ kernel for debugging as the kernel is booting, or using only
-+ kernel modules.
-+
-+config KGDB_ONLY_MODULES
-+ bool "KGDB: Use only kernel modules for I/O"
-+ depends on MODULES
-+ help
-+ Use only kernel modules to configure KGDB I/O after the
-+ kernel is booted.
-+
-+config KGDB_8250_NOMODULE
-+ bool "KGDB: On generic serial port (8250)"
-+ select KGDB_8250
-+ help
-+ Uses generic serial port (8250) to communicate with the host
-+ GDB. This is independent of the normal (SERIAL_8250) driver
-+ for this chipset.
-+
-+config KGDBOE_NOMODULE
-+ bool "KGDB: On ethernet - in kernel"
-+ select KGDBOE
-+ select NETPOLL
-+ select NETPOLL_TRAP
-+ select NETPOLL_RX
-+ help
-+ Uses the NETPOLL API to communicate with the host GDB via UDP.
-+ In order for this to work, the ethernet interface specified must
-+ support the NETPOLL API, and this must be initialized at boot.
-+ See the documentation for syntax.
-+
-+config KGDB_MPSC
-+ bool "KGDB on MV64x60 MPSC"
-+ depends on SERIAL_MPSC
-+ help
-+ Uses a Marvell GT64260B or MV64x60 Multi-Purpose Serial
-+ Controller (MPSC) channel. Note that the GT64260A is not
-+ supported.
-+
-+config KGDB_CPM_UART
-+ bool "KGDB: On CPM UART"
-+ depends on PPC && (CPM2 || 8xx)
-+ help
-+ Uses CPM UART to communicate with the host GDB.
-+
-+config KGDB_SIBYTE
-+ bool "KGDB: On the Broadcom SWARM serial port"
-+ depends on MIPS && SIBYTE_SB1xxx_SOC
-+endchoice
-+
-+config KGDBOE
-+ tristate "KGDB: On ethernet" if !KGDBOE_NOMODULE
-+ depends on m && KGDB
-+ select NETPOLL
-+ select NETPOLL_TRAP
-+ select NETPOLL_RX
-+ help
-+ Uses the NETPOLL API to communicate with the host GDB via UDP.
-+ In order for this to work, the ethernet interface specified must
-+ support the NETPOLL API, and this must be initialized at boot.
-+ See the documentation for syntax.
-+
-+config KGDB_8250
-+ tristate "KGDB: On generic serial port (8250)" if !KGDB_8250_NOMODULE
-+ depends on m && KGDB_ONLY_MODULES
-+ help
-+ Uses generic serial port (8250) to communicate with the host
-+ GDB. This is independent of the normal (SERIAL_8250) driver
-+ for this chipset.
-+
-+config KGDB_SIMPLE_SERIAL
-+ bool "Simple selection of KGDB serial port"
-+ depends on KGDB_8250_NOMODULE
-+ default y
-+ help
-+ If you say Y here, you will only have to pick the baud rate
-+ and port number that you wish to use for KGDB. Note that this
-+ only works on architectures that register known serial ports
-+ early on. If you say N, you will have to provide, either here
-+ or on the command line, the type (I/O or MMIO), IRQ and
-+ address to use. If in doubt, say Y.
-+
-+config KGDB_BAUDRATE
-+ int "Debug serial port baud rate"
-+ depends on (KGDB_8250 && KGDB_SIMPLE_SERIAL)
-+ default "115200"
-+ help
-+ gdb and the kernel stub need to agree on the baud rate to be
-+ used. Standard rates from 9600 to 115200 are allowed, and this
-+ may be overridden via the commandline.
-+
-+config KGDB_PORT_NUM
-+ int "Serial port number for KGDB"
-+ range 0 1 if KGDB_MPSC
-+ range 0 3
-+ depends on (KGDB_8250 && KGDB_SIMPLE_SERIAL) || KGDB_MPSC
-+ default "1"
-+ help
-+ Pick the port number (0 based) for KGDB to use.
-+
-+config KGDB_8250_CONF_STRING
-+ string "Configuration string for KGDB"
-+ depends on KGDB_8250_NOMODULE && !KGDB_SIMPLE_SERIAL
-+ default "io,2f8,115200,3" if X86
-+ help
-+ The format of this string should be <io or
-+ mmio>,<address>,<baud rate>,<irq>. For example, to use the
-+ serial port on an i386 box located at 0x2f8 and 115200 baud
-+ on IRQ 3 at use:
-+ io,2f8,115200,3
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/net/core/netpoll.c linux-2.6.18-53.1.14.kgdb/net/core/netpoll.c
---- linux-2.6.18-53.1.14/net/core/netpoll.c 2008-03-06 05:54:27.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/net/core/netpoll.c 2008-06-10 15:37:49.000000000 +0400
-@@ -525,7 +525,8 @@ int __netpoll_rx(struct sk_buff *skb)
-
- np->rx_hook(np, ntohs(uh->source),
- (char *)(uh+1),
-- ulen - sizeof(struct udphdr));
-+ ulen - sizeof(struct udphdr),
-+ skb);
-
- kfree_skb(skb);
- return 1;
-diff -rupbBN -X ../client-cleanup/dontdiff linux-2.6.18-53.1.14/scripts/dwarfh.awk linux-2.6.18-53.1.14.kgdb/scripts/dwarfh.awk
---- linux-2.6.18-53.1.14/scripts/dwarfh.awk 1970-01-01 03:00:00.000000000 +0300
-+++ linux-2.6.18-53.1.14.kgdb/scripts/dwarfh.awk 2008-06-10 15:39:01.000000000 +0400
-@@ -0,0 +1,19 @@
-+BEGIN {
-+ print "#ifndef _ELF_DWARF_H"
-+ print "/* Machine generated from dwarf2.h by scripts/dwarfh.awk */"
-+}
-+$2 == "=" {
-+ gsub(/,/, "", $3)
-+ print "#define " $1 "\t " $3
-+}
-+$1 == "#define" {
-+ print $0
-+ while( index($0,"\\") == length($0)){
-+ getline
-+ print $0
-+ }
-+}
-+/.*/ {}
-+END {
-+ print "#endif"
-+}
git://git.whamcloud.com / fs / lustre-release.git / commitdiff