KVM: PPC: Stub emulate CFAR and PURR SPRs

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

View file

@ -473,6 +473,10 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
case SPRN_HID5:
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[5]);
break;
case SPRN_CFAR:
case SPRN_PURR:
kvmppc_set_gpr(vcpu, rt, 0);
break;
case SPRN_GQR0:
case SPRN_GQR1:
case SPRN_GQR2: