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author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2008-12-17 10:08:55 (GMT) |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2008-12-23 04:13:28 (GMT) |
commit | 322b439455ea62e6480e300c77b258e872896381 (patch) | |
tree | f79b7ac590f7a9448915ffb12a5188ed3b309f49 /arch | |
parent | 5be8554875bf3a1a42b7f04d5999b36e7c2fa88b (diff) | |
download | linux-fsl-qoriq-322b439455ea62e6480e300c77b258e872896381.tar.xz |
powerpc: Prepare xmon_save_regs for use with kdump
Today the arch/powerpc/xmon/setjmp.S file contains only the
xmon_save_regs function. We want to use it for kdump purposes, so
let's move the file into arch/powerpc/kernel/ and give the function a
more generic name (ppc_save_regs).
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/include/asm/reg.h | 4 | ||||
-rw-r--r-- | arch/powerpc/kernel/Makefile | 4 | ||||
-rw-r--r-- | arch/powerpc/kernel/ppc_save_regs.S (renamed from arch/powerpc/xmon/setjmp.S) | 2 | ||||
-rw-r--r-- | arch/powerpc/xmon/Makefile | 2 | ||||
-rw-r--r-- | arch/powerpc/xmon/xmon.c | 5 |
5 files changed, 12 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index c6d1ab6..f484a34 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -783,6 +783,10 @@ extern void scom970_write(unsigned int address, unsigned long value); #define __get_SP() ({unsigned long sp; \ asm volatile("mr %0,1": "=r" (sp)); sp;}) +struct pt_regs; + +extern void ppc_save_regs(struct pt_regs *regs); + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_REG_H */ diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 92673b4..616c889 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -102,6 +102,10 @@ endif obj-$(CONFIG_PPC64) += $(obj64-y) +ifneq ($(CONFIG_XMON),) +obj-y += ppc_save_regs.o +endif + extra-$(CONFIG_PPC_FPU) += fpu.o extra-$(CONFIG_PPC64) += entry_64.o diff --git a/arch/powerpc/xmon/setjmp.S b/arch/powerpc/kernel/ppc_save_regs.S index 04c0b30..5113bd2 100644 --- a/arch/powerpc/xmon/setjmp.S +++ b/arch/powerpc/kernel/ppc_save_regs.S @@ -22,7 +22,7 @@ * that will be different for 32-bit and 64-bit, because of the * different ABIs, though). */ -_GLOBAL(xmon_save_regs) +_GLOBAL(ppc_save_regs) PPC_STL r0,0*SZL(r3) PPC_STL r2,2*SZL(r3) PPC_STL r3,3*SZL(r3) diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile index 51d9758..9cb03b7 100644 --- a/arch/powerpc/xmon/Makefile +++ b/arch/powerpc/xmon/Makefile @@ -4,7 +4,7 @@ ifdef CONFIG_PPC64 EXTRA_CFLAGS += -mno-minimal-toc endif -obj-y += xmon.o setjmp.o start.o nonstdio.o +obj-y += xmon.o start.o nonstdio.o ifdef CONFIG_XMON_DISASSEMBLY obj-y += ppc-dis.o ppc-opc.o diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 076368c..8dfad7d 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -41,6 +41,7 @@ #include <asm/spu_priv1.h> #include <asm/firmware.h> #include <asm/setjmp.h> +#include <asm/reg.h> #ifdef CONFIG_PPC64 #include <asm/hvcall.h> @@ -159,8 +160,6 @@ static int xmon_no_auto_backtrace; extern void xmon_enter(void); extern void xmon_leave(void); -extern void xmon_save_regs(struct pt_regs *); - #ifdef CONFIG_PPC64 #define REG "%.16lx" #define REGS_PER_LINE 4 @@ -532,7 +531,7 @@ int xmon(struct pt_regs *excp) struct pt_regs regs; if (excp == NULL) { - xmon_save_regs(®s); + ppc_save_regs(®s); excp = ®s; } |