From 80795e6cbed51cc3bebeb016ba14f0cbb811386f Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Wed, 21 Sep 2016 17:43:32 +1000 Subject: [PATCH] powerpc/64s: Consolidate Data Storage 0x300 interrupt Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/exceptions-64s.S | 53 ++++++++++++++++++------------------ 1 file changed, 27 insertions(+), 26 deletions(-) diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index afdb204..edab8cc 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -515,6 +515,33 @@ EXC_COMMON_BEGIN(unrecover_mce) EXC_REAL(data_access, 0x300, 0x380) +EXC_VIRT(data_access, 0x4300, 0x4380, 0x300) +TRAMP_KVM_SKIP(PACA_EXGEN, 0x300) + +EXC_COMMON_BEGIN(data_access_common) + /* + * Here r13 points to the paca, r9 contains the saved CR, + * SRR0 and SRR1 are saved in r11 and r12, + * r9 - r13 are saved in paca->exgen. + */ + mfspr r10,SPRN_DAR + std r10,PACA_EXGEN+EX_DAR(r13) + mfspr r10,SPRN_DSISR + stw r10,PACA_EXGEN+EX_DSISR(r13) + EXCEPTION_PROLOG_COMMON(0x300, PACA_EXGEN) + RECONCILE_IRQ_STATE(r10, r11) + ld r12,_MSR(r1) + ld r3,PACA_EXGEN+EX_DAR(r13) + lwz r4,PACA_EXGEN+EX_DSISR(r13) + li r5,0x300 + std r3,_DAR(r1) + std r4,_DSISR(r1) +BEGIN_MMU_FTR_SECTION + b do_hash_page /* Try to handle as hpte fault */ +MMU_FTR_SECTION_ELSE + b handle_page_fault +ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX) + EXC_REAL_BEGIN(data_access_slb, 0x380, 0x400) SET_SCRATCH0(r13) @@ -720,7 +747,6 @@ EXC_REAL_NONE(0x1800, 0x1900) /*** Out of line interrupts support ***/ /* moved from 0x200 */ -TRAMP_KVM_SKIP(PACA_EXGEN, 0x300) TRAMP_KVM_SKIP(PACA_EXSLB, 0x380) TRAMP_KVM(PACA_EXGEN, 0x400) TRAMP_KVM(PACA_EXSLB, 0x480) @@ -990,7 +1016,6 @@ EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception) * come here. */ -EXC_VIRT(data_access, 0x4300, 0x4380, 0x300) EXC_VIRT_BEGIN(data_access_slb, 0x4380, 0x4400) SET_SCRATCH0(r13) @@ -1115,30 +1140,6 @@ EXC_VIRT_NONE(0x5800, 0x5900) EXC_COMMON_BEGIN(ppc64_runlatch_on_trampoline) b __ppc64_runlatch_on -/* - * Here r13 points to the paca, r9 contains the saved CR, - * SRR0 and SRR1 are saved in r11 and r12, - * r9 - r13 are saved in paca->exgen. - */ -EXC_COMMON_BEGIN(data_access_common) - mfspr r10,SPRN_DAR - std r10,PACA_EXGEN+EX_DAR(r13) - mfspr r10,SPRN_DSISR - stw r10,PACA_EXGEN+EX_DSISR(r13) - EXCEPTION_PROLOG_COMMON(0x300, PACA_EXGEN) - RECONCILE_IRQ_STATE(r10, r11) - ld r12,_MSR(r1) - ld r3,PACA_EXGEN+EX_DAR(r13) - lwz r4,PACA_EXGEN+EX_DSISR(r13) - li r5,0x300 - std r3,_DAR(r1) - std r4,_DSISR(r1) -BEGIN_MMU_FTR_SECTION - b do_hash_page /* Try to handle as hpte fault */ -MMU_FTR_SECTION_ELSE - b handle_page_fault -ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX) - EXC_COMMON_BEGIN(h_data_storage_common) mfspr r10,SPRN_HDAR std r10,PACA_EXGEN+EX_DAR(r13) -- 2.7.4