[PATCH v2 2/4] powerpc/64e: Get esr offset with _ESR macro
From: <hidden>
Date: 2021-08-07 01:03:36
Also in:
linuxppc-dev
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
From: Xiongwei Song <redacted> Use _ESR to get the offset of esr register in pr_regs for 64e cpus. Signed-off-by: Xiongwei Song <redacted> --- 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