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authorNicholas Piggin <npiggin@gmail.com>2019-08-02 12:56:53 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2019-08-30 03:14:57 +0200
commit9a9c739aa83d031da7468028de8a65608146eccc (patch)
treee49e7bf8cea092aa8b05cfd0e04c916ebaf3732d /arch/powerpc/kernel/exceptions-64s.S
parentpowerpc/64s/exception: KVM_HANDLER reorder arguments to match other macros (diff)
downloadlinux-9a9c739aa83d031da7468028de8a65608146eccc.tar.xz
linux-9a9c739aa83d031da7468028de8a65608146eccc.zip
powerpc/64s/exception: Merge EXCEPTION_PROLOG_COMMON_2/3
Merge EXCEPTION_PROLOG_COMMON_3 into EXCEPTION_PROLOG_COMMON_2. No generated code change except BUG line number constants. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190802105709.27696-29-npiggin@gmail.com
Diffstat (limited to '')
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S18
1 files changed, 6 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index d37420dee447..0643ae57badc 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -399,7 +399,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948)
std r10,GPR1(r1); /* save r1 in stackframe */ \
/* Save original regs values from save area to stack frame. */
-#define EXCEPTION_PROLOG_COMMON_2(area) \
+#define EXCEPTION_PROLOG_COMMON_2(area, trap) \
ld r9,area+EX_R9(r13); /* move r9, r10 to stackframe */ \
ld r10,area+EX_R10(r13); \
std r9,GPR9(r1); \
@@ -415,9 +415,7 @@ BEGIN_FTR_SECTION_NESTED(66); \
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(trap) \
+ std r10,_CTR(r1); \
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 */ \
@@ -453,8 +451,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \
beq 4f; /* if from kernel mode */ \
ACCOUNT_CPU_USER_ENTRY(r13, r9, r10); \
SAVE_PPR(area, r9); \
-4: EXCEPTION_PROLOG_COMMON_2(area); \
- EXCEPTION_PROLOG_COMMON_3(trap); \
+4: EXCEPTION_PROLOG_COMMON_2(area, trap); \
ACCOUNT_STOLEN_TIME
/*
@@ -464,8 +461,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \
#define EXCEPTION_COMMON_STACK(area, trap) \
EXCEPTION_PROLOG_COMMON_1(); \
kuap_save_amr_and_lock r9, r10, cr1; \
- EXCEPTION_PROLOG_COMMON_2(area); \
- EXCEPTION_PROLOG_COMMON_3(trap)
+ EXCEPTION_PROLOG_COMMON_2(area, trap)
/*
* Restore all registers including H/SRR0/1 saved in a stack frame of a
@@ -968,8 +964,7 @@ EXC_COMMON_BEGIN(machine_check_early_common)
EXCEPTION_PROLOG_COMMON_1()
/* We don't touch AMR here, we never go to virtual mode */
- EXCEPTION_PROLOG_COMMON_2(PACA_EXMC)
- EXCEPTION_PROLOG_COMMON_3(0x200)
+ EXCEPTION_PROLOG_COMMON_2(PACA_EXMC, 0x200)
ld r3,PACA_EXMC+EX_DAR(r13)
lwz r4,PACA_EXMC+EX_DSISR(r13)
@@ -1616,8 +1611,7 @@ EXC_COMMON_BEGIN(hmi_exception_early_common)
subi r1,r1,INT_FRAME_SIZE /* alloc stack frame */
EXCEPTION_PROLOG_COMMON_1()
/* We don't touch AMR here, we never go to virtual mode */
- EXCEPTION_PROLOG_COMMON_2(PACA_EXGEN)
- EXCEPTION_PROLOG_COMMON_3(0xe60)
+ EXCEPTION_PROLOG_COMMON_2(PACA_EXGEN, 0xe60)
addi r3,r1,STACK_FRAME_OVERHEAD
bl hmi_exception_realmode
cmpdi cr0,r3,0