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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/powerpc/kvm/booke_emulate.c
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>
Diffstat (limited to 'arch/powerpc/kvm/booke_emulate.c')
-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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