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authorAlexander Graf <agraf@suse.de>2013-01-04 18:02:14 +0100
committerAlexander Graf <agraf@suse.de>2013-01-10 13:42:30 +0100
commit37ecb257f68ce4fb7c7048a1123bbcbbe36d9575 (patch)
treeb81bf7e547600dbad56b8dc2325173efd52073c1
parentb8c649a99d582a6d8afd8457ba6145c624b8a76f (diff)
downloadop-kernel-dev-37ecb257f68ce4fb7c7048a1123bbcbbe36d9575.zip
op-kernel-dev-37ecb257f68ce4fb7c7048a1123bbcbbe36d9575.tar.gz
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 <agraf@suse.de>
-rw-r--r--arch/powerpc/kvm/booke_emulate.c3
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;
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