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Subject[RFC PATCH 2/4] powerpc/64e: Get esr offset with _ESR macro
Date
From: Xiongwei Song <sxwjean@gmail.com>

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

Signed-off-by: Xiongwei Song <sxwjean@gmail.com>
---
arch/powerpc/kernel/asm-offsets.c | 2 +-
arch/powerpc/kernel/exceptions-64e.S | 10 +++++-----
2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index a47eefa09bcb..f4ebc435fd78 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -287,6 +287,7 @@ int main(void)
STACK_PT_REGS_OFFSET(_XER, xer);
STACK_PT_REGS_OFFSET(_DAR, dar);
STACK_PT_REGS_OFFSET(_DSISR, dsisr);
+ STACK_PT_REGS_OFFSET(_ESR, esr);
STACK_PT_REGS_OFFSET(ORIG_GPR3, orig_gpr3);
STACK_PT_REGS_OFFSET(RESULT, result);
STACK_PT_REGS_OFFSET(_TRAP, trap);
@@ -298,7 +299,6 @@ int main(void)
* we use them to hold SRR0 and SRR1.
*/
STACK_PT_REGS_OFFSET(_DEAR, dar);
- STACK_PT_REGS_OFFSET(_ESR, dsisr);
#else /* CONFIG_PPC64 */
STACK_PT_REGS_OFFSET(SOFTE, softe);
STACK_PT_REGS_OFFSET(_PPR, ppr);
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
index 1401787b0b93..bf8c4c2f98ea 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -546,7 +546,7 @@ __end_interrupts:
mfspr r14,SPRN_DEAR
mfspr r15,SPRN_ESR
std r14,_DAR(r1)
- std r15,_DSISR(r1)
+ std r15,_ESR(r1)
ld r14,PACA_EXGEN+EX_R14(r13)
ld r15,PACA_EXGEN+EX_R15(r13)
EXCEPTION_COMMON(0x300)
@@ -559,7 +559,7 @@ __end_interrupts:
li r15,0
mr r14,r10
std r14,_DAR(r1)
- std r15,_DSISR(r1)
+ std r15,_ESR(r1)
ld r14,PACA_EXGEN+EX_R14(r13)
ld r15,PACA_EXGEN+EX_R15(r13)
EXCEPTION_COMMON(0x400)
@@ -576,7 +576,7 @@ __end_interrupts:
mfspr r14,SPRN_DEAR
mfspr r15,SPRN_ESR
std r14,_DAR(r1)
- std r15,_DSISR(r1)
+ std r15,_ESR(r1)
ld r14,PACA_EXGEN+EX_R14(r13)
ld r15,PACA_EXGEN+EX_R15(r13)
EXCEPTION_COMMON(0x600)
@@ -587,7 +587,7 @@ __end_interrupts:
NORMAL_EXCEPTION_PROLOG(0x700, BOOKE_INTERRUPT_PROGRAM,
PROLOG_ADDITION_1REG)
mfspr r14,SPRN_ESR
- std r14,_DSISR(r1)
+ std r14,_ESR(r1)
ld r14,PACA_EXGEN+EX_R14(r13)
EXCEPTION_COMMON(0x700)
addi r3,r1,STACK_FRAME_OVERHEAD
@@ -1058,7 +1058,7 @@ bad_stack_book3e:
mfspr r10,SPRN_DEAR
mfspr r11,SPRN_ESR
std r10,_DAR(r1)
- std r11,_DSISR(r1)
+ std r11,_ESR(r1)
std r0,GPR0(r1); /* save r0 in stackframe */ \
std r2,GPR2(r1); /* save r2 in stackframe */ \
SAVE_4GPRS(3, r1); /* save r3 - r6 in stackframe */ \
--
2.30.2
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