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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 /arch
parentb8c649a99d582a6d8afd8457ba6145c624b8a76f (diff)
downloadblackbird-op-linux-37ecb257f68ce4fb7c7048a1123bbcbbe36d9575.tar.gz
blackbird-op-linux-37ecb257f68ce4fb7c7048a1123bbcbbe36d9575.zip
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>
Diffstat (limited to 'arch')
-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 4685b8cf2249..27a4b2877c10 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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