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 0CB66DDDEE for ; Thu, 18 Dec 2008 07:09:04 +1100 (EST) Date: Wed, 17 Dec 2008 23:09:01 +0300 From: Anton Vorontsov To: Paul Mackerras Subject: [PATCH 2/7] powerpc/32/kdump: Implement crash_setup_regs() using ppc_save_regs() Message-ID: <20081217200901.GB4624@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: , This patch replaces dummy function with full-fledged crash_setup_regs() implementation. On PPC32 we simply use ppc_save_regs function to dump the registers. Signed-off-by: Anton Vorontsov --- arch/powerpc/include/asm/kexec.h | 15 ++++++--------- 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 3736d9b..6dbffc9 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -33,12 +33,12 @@ #ifndef __ASSEMBLY__ #include +#include 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 616c889..089209a 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 -- 1.5.6.5