From: Dale Farnsworth <[EMAIL PROTECTED]>
Signed-off-by: Dale Farnsworth <[EMAIL PROTECTED]>
Signed-off-by: Anton Vorontsov <[EMAIL PROTECTED]>
---
include/asm-powerpc/kexec.h | 60 ++++++++++++++++++++++++++++++++++++------
1 files changed, 51 insertions(+), 9 deletions(-)
diff --git a/include/asm-powerpc/kexec.h b/include/asm-powerpc/kexec.h
index acdcdc6..9ecc307 100644
--- a/include/asm-powerpc/kexec.h
+++ b/include/asm-powerpc/kexec.h
@@ -38,7 +38,6 @@ 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.
@@ -51,6 +50,7 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
else {
/* FIXME Merge this with xmon_save_regs ?? */
unsigned long tmp1, tmp2;
+#ifdef __powerpc64__
__asm__ __volatile__ (
"std 0,0(%2)\n"
"std 1,8(%2)\n"
@@ -99,16 +99,58 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
: "=&r" (tmp1), "=&r" (tmp2)
: "b" (newregs)
: "memory");
+#else /* __powerpc64__ */
+ __asm__ __volatile__ (
+ "stw 0,0(%2)\n"
+ "stw 1,4(%2)\n"
+ "stw 2,8(%2)\n"
+ "stw 3,12(%2)\n"
+ "stw 4,16(%2)\n"
+ "stw 5,20(%2)\n"
+ "stw 6,24(%2)\n"
+ "stw 7,28(%2)\n"
+ "stw 8,32(%2)\n"
+ "stw 9,36(%2)\n"
+ "stw 10,40(%2)\n"
+ "stw 11,44(%2)\n"
+ "stw 12,48(%2)\n"
+ "stw 13,52(%2)\n"
+ "stw 14,56(%2)\n"
+ "stw 15,60(%2)\n"
+ "stw 16,64(%2)\n"
+ "stw 17,68(%2)\n"
+ "stw 18,72(%2)\n"
+ "stw 19,76(%2)\n"
+ "stw 20,80(%2)\n"
+ "stw 21,84(%2)\n"
+ "stw 22,88(%2)\n"
+ "stw 23,92(%2)\n"
+ "stw 24,96(%2)\n"
+ "stw 25,100(%2)\n"
+ "stw 26,104(%2)\n"
+ "stw 27,108(%2)\n"
+ "stw 28,112(%2)\n"
+ "stw 29,116(%2)\n"
+ "stw 30,120(%2)\n"
+ "stw 31,124(%2)\n"
+ "mfmsr %0\n"
+ "stw %0,132(%2)\n"
+ "mfctr %0\n"
+ "stw %0,140(%2)\n"
+ "mflr %0\n"
+ "stw %0,144(%2)\n"
+ "bl 1f\n"
+ "1: mflr %1\n"
+ "stw %1,128(%2)\n"
+ "mtlr %0\n"
+ "mfxer %0\n"
+ "stw %0,148(%2)\n"
+ : "=&r" (tmp1), "=&r" (tmp2)
+ : "b" (newregs)
+ : "memory");
+#endif /* __powerpc64 __ */
}
}
-#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 __ */
extern void kexec_smp_wait(void); /* get and clear naca physid, wait for
master to copy new code to 0 */
--
1.5.5.4
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