xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sh: Add die chain notifiers.

Browse Source 
Add the atomic die chains in, kprobes needs these.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2007-05-01 16:33:10 +09:00
committed by Paul Mundt
parent 3dde7a3c74
commit 3a2e117e22
5 changed files with 104 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
arch/sh/kernel/process.c
View File

@@ -7,7 +7,7 @@
*
* SuperH version: Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima
* Copyright (C) 2006 Lineo Solutions Inc. support SH4A UBC
* Copyright (C) 2002 - 2006 Paul Mundt
* Copyright (C) 2002 - 2007 Paul Mundt
*/
#include <linux/module.h>
#include <linux/mm.h>
@@ -15,6 +15,7 @@
#include <linux/pm.h>
#include <linux/kallsyms.h>
#include <linux/kexec.h>
#include <asm/kdebug.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
#include <asm/ubc.h>
@@ -299,8 +300,8 @@ static void ubc_set_tracing(int asid, unsigned long pc)
ctrl_outl(0, UBC_BAMRA);
if (current_cpu_data.type == CPU_SH7729 ||
current_cpu_data.type == CPU_SH7710 ||
current_cpu_data.type == CPU_SH7712 ) {
current_cpu_data.type == CPU_SH7710 ||
current_cpu_data.type == CPU_SH7712) {
ctrl_outw(BBR_INST | BBR_READ | BBR_CPU, UBC_BBRA);
ctrl_outl(BRCR_PCBA | BRCR_PCTE, UBC_BRCR);
} else {
@@ -496,6 +497,10 @@ asmlinkage void debug_trap_handler(unsigned long r4, unsigned long r5,
/* Rewind */
regs->pc -= 2;
if (notify_die(DIE_TRAP, regs, regs->tra & 0xff,
SIGTRAP) == NOTIFY_STOP)
return;
force_sig(SIGTRAP, current);
}
@@ -511,6 +516,10 @@ asmlinkage void bug_trap_handler(unsigned long r4, unsigned long r5,
/* Rewind */
regs->pc -= 2;
if (notify_die(DIE_TRAP, regs, TRAPA_BUG_OPCODE & 0xff,
SIGTRAP) == NOTIFY_STOP)
return;
#ifdef CONFIG_BUG
if (__kernel_text_address(instruction_pointer(regs))) {
u16 insn = *(u16 *)instruction_pointer(regs);