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powerpc/64e: Get esr offset with _ESR macro

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Use _ESR to get the offset of esr register in pr_regs for 64e cpus.

Signed-off-by: Xiongwei Song <sxwjean@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210807010239.416055-3-sxwjean@me.com
This commit is contained in:
Xiongwei Song 2021-08-07 09:02:37 +08:00 committed by Michael Ellerman
parent 4f8e78c075
commit cfa47772ca
2 changed files with 6 additions and 6 deletions
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2
arch/powerpc/kernel/asm-offsets.c
View File

@ -287,6 +287,7 @@ int main(void)
STACK_PT_REGS_OFFSET(_XER, xer); STACK_PT_REGS_OFFSET(_XER, xer);
STACK_PT_REGS_OFFSET(_DAR, dar); STACK_PT_REGS_OFFSET(_DAR, dar);
STACK_PT_REGS_OFFSET(_DSISR, dsisr); STACK_PT_REGS_OFFSET(_DSISR, dsisr);
STACK_PT_REGS_OFFSET(_ESR, esr);
STACK_PT_REGS_OFFSET(ORIG_GPR3, orig_gpr3); STACK_PT_REGS_OFFSET(ORIG_GPR3, orig_gpr3);
STACK_PT_REGS_OFFSET(RESULT, result); STACK_PT_REGS_OFFSET(RESULT, result);
STACK_PT_REGS_OFFSET(_TRAP, trap); STACK_PT_REGS_OFFSET(_TRAP, trap);
@ -298,7 +299,6 @@ int main(void)
* we use them to hold SRR0 and SRR1. * we use them to hold SRR0 and SRR1.
*/ */
STACK_PT_REGS_OFFSET(_DEAR, dar); STACK_PT_REGS_OFFSET(_DEAR, dar);
STACK_PT_REGS_OFFSET(_ESR, dsisr);
#else /* CONFIG_PPC64 */ #else /* CONFIG_PPC64 */
STACK_PT_REGS_OFFSET(SOFTE, softe); STACK_PT_REGS_OFFSET(SOFTE, softe);
STACK_PT_REGS_OFFSET(_PPR, ppr); STACK_PT_REGS_OFFSET(_PPR, ppr);

10
arch/powerpc/kernel/exceptions-64e.S
View File

@ -546,7 +546,7 @@ __end_interrupts:
mfspr r14,SPRN_DEAR mfspr r14,SPRN_DEAR
mfspr r15,SPRN_ESR mfspr r15,SPRN_ESR
std r14,_DAR(r1) std r14,_DAR(r1)
std r15,_DSISR(r1) std r15,_ESR(r1)
ld r14,PACA_EXGEN+EX_R14(r13) ld r14,PACA_EXGEN+EX_R14(r13)
ld r15,PACA_EXGEN+EX_R15(r13) ld r15,PACA_EXGEN+EX_R15(r13)
EXCEPTION_COMMON(0x300) EXCEPTION_COMMON(0x300)
@ -559,7 +559,7 @@ __end_interrupts:
li r15,0 li r15,0
mr r14,r10 mr r14,r10
std r14,_DAR(r1) std r14,_DAR(r1)
std r15,_DSISR(r1) std r15,_ESR(r1)
ld r14,PACA_EXGEN+EX_R14(r13) ld r14,PACA_EXGEN+EX_R14(r13)
ld r15,PACA_EXGEN+EX_R15(r13) ld r15,PACA_EXGEN+EX_R15(r13)
EXCEPTION_COMMON(0x400) EXCEPTION_COMMON(0x400)
@ -576,7 +576,7 @@ __end_interrupts:
mfspr r14,SPRN_DEAR mfspr r14,SPRN_DEAR
mfspr r15,SPRN_ESR mfspr r15,SPRN_ESR
std r14,_DAR(r1) std r14,_DAR(r1)
std r15,_DSISR(r1) std r15,_ESR(r1)
ld r14,PACA_EXGEN+EX_R14(r13) ld r14,PACA_EXGEN+EX_R14(r13)
ld r15,PACA_EXGEN+EX_R15(r13) ld r15,PACA_EXGEN+EX_R15(r13)
EXCEPTION_COMMON(0x600) EXCEPTION_COMMON(0x600)
@ -587,7 +587,7 @@ __end_interrupts:
NORMAL_EXCEPTION_PROLOG(0x700, BOOKE_INTERRUPT_PROGRAM, NORMAL_EXCEPTION_PROLOG(0x700, BOOKE_INTERRUPT_PROGRAM,
PROLOG_ADDITION_1REG) PROLOG_ADDITION_1REG)
mfspr r14,SPRN_ESR mfspr r14,SPRN_ESR
std r14,_DSISR(r1) std r14,_ESR(r1)
ld r14,PACA_EXGEN+EX_R14(r13) ld r14,PACA_EXGEN+EX_R14(r13)
EXCEPTION_COMMON(0x700) EXCEPTION_COMMON(0x700)
addi r3,r1,STACK_FRAME_OVERHEAD addi r3,r1,STACK_FRAME_OVERHEAD
@ -1058,7 +1058,7 @@ bad_stack_book3e:
mfspr r10,SPRN_DEAR mfspr r10,SPRN_DEAR
mfspr r11,SPRN_ESR mfspr r11,SPRN_ESR
std r10,_DAR(r1) std r10,_DAR(r1)
std r11,_DSISR(r1) std r11,_ESR(r1)
std r0,GPR0(r1); /* save r0 in stackframe */ \ std r0,GPR0(r1); /* save r0 in stackframe */ \
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 */ \