From patchwork Mon Jan 7 19:38:58 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/4] KVM: PPC: BookE: Emulate mfspr on EPR From: Alexander Graf X-Patchwork-Id: 210070 Message-Id: <1357587540-12135-3-git-send-email-agraf@suse.de> To: kvm-ppc@vger.kernel.org Cc: KVM list , Scott Wood Date: Mon, 7 Jan 2013 20:38:58 +0100 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 files changed, 3 insertions(+), 0 deletions(-) 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;