From: sxwjean@me.com To: linuxppc-dev@lists.ozlabs.org Cc: oleg@redhat.com, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, ravi.bangoria@linux.ibm.com, christophe.leroy@csgroup.eu, npiggin@gmail.com, aneesh.kumar@linux.ibm.com, sandipan@linux.ibm.com, efremov@linux.com, peterx@redhat.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, Xiongwei Song <sxwjean@gmail.com> Subject: [RFC PATCH 2/4] powerpc/64e: Get esr offset with _ESR macro Date: Mon, 26 Jul 2021 22:30:51 +0800 [thread overview] Message-ID: <20210726143053.532839-2-sxwjean@me.com> (raw) In-Reply-To: <20210726143053.532839-1-sxwjean@me.com> 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
WARNING: multiple messages have this Message-ID (diff)
From: sxwjean@me.com To: linuxppc-dev@lists.ozlabs.org Cc: ravi.bangoria@linux.ibm.com, Xiongwei Song <sxwjean@gmail.com>, aneesh.kumar@linux.ibm.com, oleg@redhat.com, linux-kernel@vger.kernel.org, efremov@linux.com, paulus@samba.org, npiggin@gmail.com, peterx@redhat.com, akpm@linux-foundation.org, sandipan@linux.ibm.com Subject: [RFC PATCH 2/4] powerpc/64e: Get esr offset with _ESR macro Date: Mon, 26 Jul 2021 22:30:51 +0800 [thread overview] Message-ID: <20210726143053.532839-2-sxwjean@me.com> (raw) In-Reply-To: <20210726143053.532839-1-sxwjean@me.com> 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
next prev parent reply other threads:[~2021-07-26 14:31 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-26 14:30 [RFC PATCH 1/4] powerpc: Optimize register usage for esr register sxwjean 2021-07-26 14:30 ` sxwjean 2021-07-26 14:30 ` sxwjean [this message] 2021-07-26 14:30 ` [RFC PATCH 2/4] powerpc/64e: Get esr offset with _ESR macro sxwjean 2021-07-26 14:30 ` [RFC PATCH 3/4] powerpc: Optimize register usage for dear register sxwjean 2021-07-26 14:30 ` sxwjean 2021-08-05 10:09 ` Christophe Leroy 2021-08-05 10:09 ` Christophe Leroy 2021-08-06 3:16 ` Xiongwei Song 2021-08-06 3:16 ` Xiongwei Song 2021-07-26 14:30 ` [RFC PATCH 4/4] powerpc/64e: Get dear offset with _DEAR macro sxwjean 2021-07-26 14:30 ` sxwjean 2021-08-05 10:06 ` [RFC PATCH 1/4] powerpc: Optimize register usage for esr register Christophe Leroy 2021-08-05 10:06 ` Christophe Leroy 2021-08-06 3:16 ` Xiongwei Song 2021-08-06 3:16 ` Xiongwei Song 2021-08-06 7:32 ` Christophe Leroy 2021-08-06 7:32 ` Christophe Leroy 2021-08-06 13:22 ` Xiongwei Song 2021-08-06 13:22 ` Xiongwei Song 2021-08-06 6:53 ` Michael Ellerman 2021-08-06 6:53 ` Michael Ellerman 2021-08-06 13:14 ` Xiongwei Song 2021-08-06 13:14 ` Xiongwei Song 2021-08-06 14:26 ` Segher Boessenkool 2021-08-06 14:26 ` Segher Boessenkool
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