From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from buildserver.ru.mvista.com (unknown [85.21.88.6]) by ozlabs.org (Postfix) with ESMTP id A1AD7DDDEE for ; Thu, 18 Dec 2008 07:08:56 +1100 (EST) Date: Wed, 17 Dec 2008 23:08:55 +0300 From: Anton Vorontsov To: Paul Mackerras Subject: [PATCH 1/7] powerpc: Prepare xmon_save_regs for use with kdump Message-ID: <20081217200855.GA4624@oksana.dev.rtsoft.ru> References: <20081217200610.GA31887@oksana.dev.rtsoft.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1251 In-Reply-To: <20081217200610.GA31887@oksana.dev.rtsoft.ru> Cc: Milton Miller , linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 --- This is "git-format-patch -M"-style patch. arch/powerpc/include/asm/reg.h | 4 ++++ arch/powerpc/kernel/Makefile | 4 ++++ .../{xmon/setjmp.S => kernel/ppc_save_regs.S} | 2 +- arch/powerpc/xmon/Makefile | 2 +- arch/powerpc/xmon/xmon.c | 5 ++--- 5 files changed, 12 insertions(+), 5 deletions(-) rename arch/powerpc/{xmon/setjmp.S => kernel/ppc_save_regs.S} (98%) 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 similarity index 98% rename from arch/powerpc/xmon/setjmp.S rename to 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 #include #include +#include #ifdef CONFIG_PPC64 #include @@ -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; } -- 1.5.6.5