Commit 73753313 authored by Anton Vorontsov's avatar Anton Vorontsov Committed by Paul Mackerras

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: default avatarAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 322b4394
......@@ -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 */
......
......@@ -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
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment