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KVM: ppc: e500: Add MMUCFG and PVR emulation

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Latest kernel started to use these two registers.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Liu Yu 2009-06-05 14:54:31 +08:00 committed by Avi Kivity
parent 5b7c1a2c17
commit 06579dd9c1
2 changed files with 5 additions and 0 deletions
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3
arch/powerpc/kvm/e500_emulate.c
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@ -180,6 +180,9 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
case SPRN_MMUCSR0:
vcpu->arch.gpr[rt] = 0; break;
case SPRN_MMUCFG:
vcpu->arch.gpr[rt] = mfspr(SPRN_MMUCFG); break;
/* extra exceptions */
case SPRN_IVOR32:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];

2
arch/powerpc/kvm/emulate.c
View File

@ -188,6 +188,8 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
vcpu->arch.gpr[rt] = vcpu->arch.srr1; break;
case SPRN_PVR:
vcpu->arch.gpr[rt] = mfspr(SPRN_PVR); break;
case SPRN_PIR:
vcpu->arch.gpr[rt] = mfspr(SPRN_PIR); break;
/* Note: mftb and TBRL/TBWL are user-accessible, so
* the guest can always access the real TB anyways.