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Diffstat (limited to 'arch/powerpc/include/asm/exception-64s.h')
-rw-r--r--arch/powerpc/include/asm/exception-64s.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 243ce69ad685..66830618cc19 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -301,9 +301,12 @@ do_kvm_##n: \
beq 4f; /* if from kernel mode */ \
ACCOUNT_CPU_USER_ENTRY(r9, r10); \
SAVE_PPR(area, r9, r10); \
-4: std r2,GPR2(r1); /* save r2 in stackframe */ \
- SAVE_4GPRS(3, r1); /* save r3 - r6 in stackframe */ \
- SAVE_2GPRS(7, r1); /* save r7, r8 in stackframe */ \
+4: EXCEPTION_PROLOG_COMMON_2(area) \
+ EXCEPTION_PROLOG_COMMON_3(n) \
+ ACCOUNT_STOLEN_TIME
+
+/* Save original regs values from save area to stack frame. */
+#define EXCEPTION_PROLOG_COMMON_2(area) \
ld r9,area+EX_R9(r13); /* move r9, r10 to stackframe */ \
ld r10,area+EX_R10(r13); \
std r9,GPR9(r1); \
@@ -318,11 +321,16 @@ do_kvm_##n: \
ld r10,area+EX_CFAR(r13); \
std r10,ORIG_GPR3(r1); \
END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \
+ GET_CTR(r10, area); \
+ std r10,_CTR(r1);
+
+#define EXCEPTION_PROLOG_COMMON_3(n) \
+ std r2,GPR2(r1); /* save r2 in stackframe */ \
+ SAVE_4GPRS(3, r1); /* save r3 - r6 in stackframe */ \
+ SAVE_2GPRS(7, r1); /* save r7, r8 in stackframe */ \
mflr r9; /* Get LR, later save to stack */ \
ld r2,PACATOC(r13); /* get kernel TOC into r2 */ \
std r9,_LINK(r1); \
- GET_CTR(r10, area); \
- std r10,_CTR(r1); \
lbz r10,PACASOFTIRQEN(r13); \
mfspr r11,SPRN_XER; /* save XER in stackframe */ \
std r10,SOFTE(r1); \
@@ -332,8 +340,7 @@ do_kvm_##n: \
li r10,0; \
ld r11,exception_marker@toc(r2); \
std r10,RESULT(r1); /* clear regs->result */ \
- std r11,STACK_FRAME_OVERHEAD-16(r1); /* mark the frame */ \
- ACCOUNT_STOLEN_TIME
+ std r11,STACK_FRAME_OVERHEAD-16(r1); /* mark the frame */
/*
* Exception vectors.