From f7b200af8f1da748cc67993caeff3923d6014070 Mon Sep 17 00:00:00 2001 From: Hollis Blanchard Date: Sat, 3 Jan 2009 16:23:07 -0600 Subject: [PATCH] KVM: ppc: Add dbsr in kvm_vcpu_arch Kernel for E500 need clear dbsr when startup. So add dbsr register in kvm_vcpu_arch for BOOKE. Signed-off-by: Liu Yu Signed-off-by: Hollis Blanchard Signed-off-by: Avi Kivity --- arch/powerpc/include/asm/kvm_host.h | 1 + arch/powerpc/kvm/booke_emulate.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 65c4d492d722..50e5ce1b400a 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -163,6 +163,7 @@ struct kvm_vcpu_arch { u32 ccr1; u32 dbcr0; u32 dbcr1; + u32 dbsr; #ifdef CONFIG_KVM_EXIT_TIMING struct kvmppc_exit_timing timing_exit; diff --git a/arch/powerpc/kvm/booke_emulate.c b/arch/powerpc/kvm/booke_emulate.c index 8aa78f1a1f87..aebc65e93f4b 100644 --- a/arch/powerpc/kvm/booke_emulate.c +++ b/arch/powerpc/kvm/booke_emulate.c @@ -111,6 +111,8 @@ int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) vcpu->arch.dbcr0 = vcpu->arch.gpr[rs]; break; case SPRN_DBCR1: vcpu->arch.dbcr1 = vcpu->arch.gpr[rs]; break; + case SPRN_DBSR: + vcpu->arch.dbsr &= ~vcpu->arch.gpr[rs]; break; case SPRN_TSR: vcpu->arch.tsr &= ~vcpu->arch.gpr[rs]; break; case SPRN_TCR: @@ -204,6 +206,8 @@ int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) vcpu->arch.gpr[rt] = vcpu->arch.dbcr0; break; case SPRN_DBCR1: vcpu->arch.gpr[rt] = vcpu->arch.dbcr1; break; + case SPRN_DBSR: + vcpu->arch.gpr[rt] = vcpu->arch.dbsr; break; case SPRN_IVOR0: vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL];