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KVM: PPC: Stub emulate CFAR and PURR SPRs

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Recent Linux versions use the CFAR and PURR SPRs, but don't really care about
their contents (yet). So for now, we can simply return 0 when the guest wants
to read them.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf
2011-08-08 17:22:59 +02:00
committed by Avi Kivity
parent 0254f07429
commit aacf9aa3a7
1 changed files with 4 additions and 0 deletions
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4
arch/powerpc/kvm/book3s_emulate.c
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@@ -473,6 +473,10 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
case SPRN_HID5: case SPRN_HID5:
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[5]); kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[5]);
break; break;
case SPRN_CFAR:
case SPRN_PURR:
kvmppc_set_gpr(vcpu, rt, 0);
break;
case SPRN_GQR0: case SPRN_GQR0:
case SPRN_GQR1: case SPRN_GQR1:
case SPRN_GQR2: case SPRN_GQR2: