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KVM: ppc: Add extra E500 exceptions

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e500 has additional interrupt vectors (and corresponding IVORs) for SPE and
performance monitoring interrupts.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Hollis Blanchard
2009-01-03 16:23:13 -06:00
committed by Avi Kivity
parent bdc89f13ec
commit bb3a8a178d
7 changed files with 92 additions and 15 deletions
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27
arch/powerpc/kvm/e500_emulate.c
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@@ -107,6 +107,20 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
case SPRN_HID1:
vcpu_e500->hid1 = vcpu->arch.gpr[rs]; break;
/* extra exceptions */
case SPRN_IVOR32:
vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = vcpu->arch.gpr[rs];
break;
case SPRN_IVOR33:
vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = vcpu->arch.gpr[rs];
break;
case SPRN_IVOR34:
vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = vcpu->arch.gpr[rs];
break;
case SPRN_IVOR35:
vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = vcpu->arch.gpr[rs];
break;
default:
emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
}
@@ -160,6 +174,19 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
case SPRN_HID1:
vcpu->arch.gpr[rt] = vcpu_e500->hid1; break;
/* extra exceptions */
case SPRN_IVOR32:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
break;
case SPRN_IVOR33:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA];
break;
case SPRN_IVOR34:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND];
break;
case SPRN_IVOR35:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR];
break;
default:
emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
}