From 37ecb257f68ce4fb7c7048a1123bbcbbe36d9575 Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Fri, 4 Jan 2013 18:02:14 +0100 Subject: [PATCH] KVM: PPC: BookE: Emulate mfspr on EPR The EPR register is potentially valid for PR KVM as well, so we need to emulate accesses to it. It's only defined for reading, so only handle the mfspr case. Signed-off-by: Alexander Graf --- arch/powerpc/kvm/booke_emulate.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/powerpc/kvm/booke_emulate.c b/arch/powerpc/kvm/booke_emulate.c index 4685b8c..27a4b28 100644 --- a/arch/powerpc/kvm/booke_emulate.c +++ b/arch/powerpc/kvm/booke_emulate.c @@ -269,6 +269,9 @@ int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val) case SPRN_ESR: *spr_val = vcpu->arch.shared->esr; break; + case SPRN_EPR: + *spr_val = vcpu->arch.epr; + break; case SPRN_CSRR0: *spr_val = vcpu->arch.csrr0; break; -- 2.7.4