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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
This commit is contained in:
Nicholas Piggin 2019-08-02 20:56:53 +10:00 committed by Michael Ellerman
parent 7027d53d1a
commit 9a9c739aa8
1 changed files with 6 additions and 12 deletions
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18
arch/powerpc/kernel/exceptions-64s.S
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@ -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 */ \ std r10,GPR1(r1); /* save r1 in stackframe */ \
/* Save original regs values from save area to stack frame. */ /* 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 r9,area+EX_R9(r13); /* move r9, r10 to stackframe */ \
ld r10,area+EX_R10(r13); \ ld r10,area+EX_R10(r13); \
std r9,GPR9(r1); \ std r9,GPR9(r1); \
@ -415,9 +415,7 @@ BEGIN_FTR_SECTION_NESTED(66); \
std r10,ORIG_GPR3(r1); \ std r10,ORIG_GPR3(r1); \
END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \ END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \
GET_CTR(r10, area); \ GET_CTR(r10, area); \
std r10,_CTR(r1); std r10,_CTR(r1); \
#define EXCEPTION_PROLOG_COMMON_3(trap) \
std r2,GPR2(r1); /* save r2 in stackframe */ \ std r2,GPR2(r1); /* save r2 in stackframe */ \
SAVE_4GPRS(3, r1); /* save r3 - r6 in stackframe */ \ SAVE_4GPRS(3, r1); /* save r3 - r6 in stackframe */ \
SAVE_2GPRS(7, r1); /* save r7, r8 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 */ \ beq 4f; /* if from kernel mode */ \
ACCOUNT_CPU_USER_ENTRY(r13, r9, r10); \ ACCOUNT_CPU_USER_ENTRY(r13, r9, r10); \
SAVE_PPR(area, r9); \ SAVE_PPR(area, r9); \
4: EXCEPTION_PROLOG_COMMON_2(area); \ 4: EXCEPTION_PROLOG_COMMON_2(area, trap); \
EXCEPTION_PROLOG_COMMON_3(trap); \
ACCOUNT_STOLEN_TIME ACCOUNT_STOLEN_TIME
/* /*
@ -464,8 +461,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \
#define EXCEPTION_COMMON_STACK(area, trap) \ #define EXCEPTION_COMMON_STACK(area, trap) \
EXCEPTION_PROLOG_COMMON_1(); \ EXCEPTION_PROLOG_COMMON_1(); \
kuap_save_amr_and_lock r9, r10, cr1; \ kuap_save_amr_and_lock r9, r10, cr1; \
EXCEPTION_PROLOG_COMMON_2(area); \ EXCEPTION_PROLOG_COMMON_2(area, trap)
EXCEPTION_PROLOG_COMMON_3(trap)
/* /*
* Restore all registers including H/SRR0/1 saved in a stack frame of a * 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() EXCEPTION_PROLOG_COMMON_1()
/* We don't touch AMR here, we never go to virtual mode */ /* We don't touch AMR here, we never go to virtual mode */
EXCEPTION_PROLOG_COMMON_2(PACA_EXMC) EXCEPTION_PROLOG_COMMON_2(PACA_EXMC, 0x200)
EXCEPTION_PROLOG_COMMON_3(0x200)
ld r3,PACA_EXMC+EX_DAR(r13) ld r3,PACA_EXMC+EX_DAR(r13)
lwz r4,PACA_EXMC+EX_DSISR(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 */ subi r1,r1,INT_FRAME_SIZE /* alloc stack frame */
EXCEPTION_PROLOG_COMMON_1() EXCEPTION_PROLOG_COMMON_1()
/* We don't touch AMR here, we never go to virtual mode */ /* We don't touch AMR here, we never go to virtual mode */
EXCEPTION_PROLOG_COMMON_2(PACA_EXGEN) EXCEPTION_PROLOG_COMMON_2(PACA_EXGEN, 0xe60)
EXCEPTION_PROLOG_COMMON_3(0xe60)
addi r3,r1,STACK_FRAME_OVERHEAD addi r3,r1,STACK_FRAME_OVERHEAD
bl hmi_exception_realmode bl hmi_exception_realmode
cmpdi cr0,r3,0 cmpdi cr0,r3,0