From 50c871edf59b4585fd2c17acfe4e7cd3752418b7 Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Mon, 13 Aug 2012 14:50:54 +0200 Subject: [PATCH] KVM: PPC: BookE: Add MCSR SPR support Add support for the MCSR SPR. This only implements the SPR storage bits, not actual machine checks. Signed-off-by: Alexander Graf --- arch/powerpc/kvm/booke_emulate.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/kvm/booke_emulate.c b/arch/powerpc/kvm/booke_emulate.c index cc99a0b..514790f 100644 --- a/arch/powerpc/kvm/booke_emulate.c +++ b/arch/powerpc/kvm/booke_emulate.c @@ -237,6 +237,9 @@ int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) case SPRN_IVOR15: vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG] = spr_val; break; + case SPRN_MCSR: + vcpu->arch.mcsr &= ~spr_val; + break; default: emulated = EMULATE_FAIL; @@ -329,6 +332,9 @@ int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val) case SPRN_IVOR15: *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG]; break; + case SPRN_MCSR: + *spr_val = vcpu->arch.mcsr; + break; default: emulated = EMULATE_FAIL; -- 2.7.4