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| author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2008-12-17 10:09:01 +0000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-12-23 15:13:28 +1100 |
| commit | 73753313884e8d063d9bf9d3e36325743ca006ba (patch) | |
| tree | 671d11f4f25c0eb86bdc9ad2ba2d92333556d10a | |
| parent | 322b439455ea62e6480e300c77b258e872896381 (diff) | |
| download | linux-73753313884e8d063d9bf9d3e36325743ca006ba.tar.gz linux-73753313884e8d063d9bf9d3e36325743ca006ba.tar.bz2 linux-73753313884e8d063d9bf9d3e36325743ca006ba.zip | |
powerpc/32/kdump: Implement crash_setup_regs() using ppc_save_regs()
This replaces the dummy crash_setup_regs function with full-fledged
crash_setup_regs implementation. On PPC32 we simply use the new
ppc_save_regs function to dump the registers.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
| -rw-r--r-- | arch/powerpc/include/asm/kexec.h | 15 | ||||
| -rw-r--r-- | arch/powerpc/kernel/Makefile | 2 |
2 files changed, 7 insertions, 10 deletions
diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index 3736d9b33289..6dbffc981702 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -33,12 +33,12 @@ #ifndef __ASSEMBLY__ #include <linux/cpumask.h> +#include <asm/reg.h> typedef void (*crash_shutdown_t)(void); #ifdef CONFIG_KEXEC -#ifdef __powerpc64__ /* * This function is responsible for capturing register states if coming * via panic or invoking dump using sysrq-trigger. @@ -48,6 +48,7 @@ static inline void crash_setup_regs(struct pt_regs *newregs, { if (oldregs) memcpy(newregs, oldregs, sizeof(*newregs)); +#ifdef __powerpc64__ else { /* FIXME Merge this with xmon_save_regs ?? */ unsigned long tmp1, tmp2; @@ -100,15 +101,11 @@ static inline void crash_setup_regs(struct pt_regs *newregs, : "b" (newregs) : "memory"); } -} #else -/* - * Provide a dummy definition to avoid build failures. Will remain - * empty till crash dump support is enabled. - */ -static inline void crash_setup_regs(struct pt_regs *newregs, - struct pt_regs *oldregs) { } -#endif /* !__powerpc64 __ */ + else + ppc_save_regs(newregs); +#endif /* __powerpc64__ */ +} extern void kexec_smp_wait(void); /* get and clear naca physid, wait for master to copy new code to 0 */ diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 616c8891d858..089209aa2132 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -102,7 +102,7 @@ endif obj-$(CONFIG_PPC64) += $(obj64-y) -ifneq ($(CONFIG_XMON),) +ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC),) obj-y += ppc_save_regs.o endif |