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KVM: PPC: BookE: Emulate mfspr on EPR

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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>
This commit is contained in:
Alexander Graf
2013-01-04 18:02:14 +01:00
parent b8c649a99d
commit 37ecb257f6
1 changed files with 3 additions and 0 deletions
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3
arch/powerpc/kvm/booke_emulate.c
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@ -269,6 +269,9 @@ int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
case SPRN_ESR: case SPRN_ESR:
*spr_val = vcpu->arch.shared->esr; *spr_val = vcpu->arch.shared->esr;
break; break;
case SPRN_EPR:
*spr_val = vcpu->arch.epr;
break;
case SPRN_CSRR0: case SPRN_CSRR0:
*spr_val = vcpu->arch.csrr0; *spr_val = vcpu->arch.csrr0;
break; break;