diff options
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s_asm.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv_interrupts.S | 22 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv_rmhandlers.S | 10 |
3 files changed, 33 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h index f3a91dc02c981f..821725c1bf4624 100644 --- a/arch/powerpc/include/asm/kvm_book3s_asm.h +++ b/arch/powerpc/include/asm/kvm_book3s_asm.h @@ -94,7 +94,7 @@ struct kvmppc_host_state { unsigned long xics_phys; u32 saved_xirr; u64 dabr; - u64 host_mmcr[3]; + u64 host_mmcr[7]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */ u32 host_pmc[8]; u64 host_purr; u64 host_spurr; diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S index e873796b1a2931..e18e3cfc32debe 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupts.S +++ b/arch/powerpc/kvm/book3s_hv_interrupts.S @@ -71,6 +71,14 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S) mtmsrd r10,1 /* Save host PMU registers */ +BEGIN_FTR_SECTION + /* Work around P8 PMAE bug */ + li r3, -1 + clrrdi r3, r3, 10 + mfspr r8, SPRN_MMCR2 + mtspr SPRN_MMCR2, r3 /* freeze all counters using MMCR2 */ + isync +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) li r3, 1 sldi r3, r3, 31 /* MMCR0_FC (freeze counters) bit */ mfspr r7, SPRN_MMCR0 /* save MMCR0 */ @@ -87,9 +95,18 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) cmpwi r5, 0 beq 31f /* skip if not */ mfspr r5, SPRN_MMCR1 + mfspr r9, SPRN_SIAR + mfspr r10, SPRN_SDAR std r7, HSTATE_MMCR(r13) std r5, HSTATE_MMCR + 8(r13) std r6, HSTATE_MMCR + 16(r13) + std r9, HSTATE_MMCR + 24(r13) + std r10, HSTATE_MMCR + 32(r13) +BEGIN_FTR_SECTION + mfspr r9, SPRN_SIER + std r8, HSTATE_MMCR + 40(r13) + std r9, HSTATE_MMCR + 48(r13) +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) mfspr r3, SPRN_PMC1 mfspr r5, SPRN_PMC2 mfspr r6, SPRN_PMC3 @@ -110,6 +127,11 @@ BEGIN_FTR_SECTION stw r10, HSTATE_PMC + 24(r13) stw r11, HSTATE_PMC + 28(r13) END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201) +BEGIN_FTR_SECTION + mfspr r9, SPRN_SIER + std r8, HSTATE_MMCR + 40(r13) + std r9, HSTATE_MMCR + 48(r13) +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) 31: /* diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 42bd2e694b1bc8..4963335198fa94 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -109,8 +109,18 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201) ld r3, HSTATE_MMCR(r13) ld r4, HSTATE_MMCR + 8(r13) ld r5, HSTATE_MMCR + 16(r13) + ld r6, HSTATE_MMCR + 24(r13) + ld r7, HSTATE_MMCR + 32(r13) mtspr SPRN_MMCR1, r4 mtspr SPRN_MMCRA, r5 + mtspr SPRN_SIAR, r6 + mtspr SPRN_SDAR, r7 +BEGIN_FTR_SECTION + ld r8, HSTATE_MMCR + 40(r13) + ld r9, HSTATE_MMCR + 48(r13) + mtspr SPRN_MMCR2, r8 + mtspr SPRN_SIER, r9 +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) mtspr SPRN_MMCR0, r3 isync 23: |