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KVM: PPC: BookE: Add MCSR SPR support 

Add support for the MCSR SPR. This only implements the SPR storage
bits, not actual machine checks.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2012-08-13 14:50:54 +02:00
parent 491dd5b8a4
commit 50c871edf5
1 changed files with 6 additions and 0 deletions
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6
arch/powerpc/kvm/booke_emulate.c
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@ -237,6 +237,9 @@ int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
case SPRN_IVOR15:
vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG] = spr_val;
break;
case SPRN_MCSR:
vcpu->arch.mcsr &= ~spr_val;
break;
default:
emulated = EMULATE_FAIL;
@ -329,6 +332,9 @@ int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
case SPRN_IVOR15:
*spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG];
break;
case SPRN_MCSR:
*spr_val = vcpu->arch.mcsr;
break;
default:
emulated = EMULATE_FAIL;