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KVM: PPC: BOOKE : Emulate rfdi instruction
This patch adds "rfdi" instruction emulation which is required for guest debug hander on BOOKE-HV Signed-off-by: Bharat Bhushan <Bharat.Bhushan@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
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@ -139,6 +139,7 @@ enum kvm_exit_types {
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EMULATED_TLBWE_EXITS,
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EMULATED_RFI_EXITS,
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EMULATED_RFCI_EXITS,
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EMULATED_RFDI_EXITS,
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DEC_EXITS,
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EXT_INTR_EXITS,
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HALT_WAKEUP,
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@ -25,6 +25,7 @@
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#define OP_19_XOP_RFI 50
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#define OP_19_XOP_RFCI 51
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#define OP_19_XOP_RFDI 39
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#define OP_31_XOP_MFMSR 83
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#define OP_31_XOP_WRTEE 131
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@ -37,6 +38,12 @@ static void kvmppc_emul_rfi(struct kvm_vcpu *vcpu)
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kvmppc_set_msr(vcpu, vcpu->arch.shared->srr1);
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}
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static void kvmppc_emul_rfdi(struct kvm_vcpu *vcpu)
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{
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vcpu->arch.pc = vcpu->arch.dsrr0;
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kvmppc_set_msr(vcpu, vcpu->arch.dsrr1);
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}
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static void kvmppc_emul_rfci(struct kvm_vcpu *vcpu)
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{
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vcpu->arch.pc = vcpu->arch.csrr0;
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@ -65,6 +72,12 @@ int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
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*advance = 0;
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break;
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case OP_19_XOP_RFDI:
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kvmppc_emul_rfdi(vcpu);
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kvmppc_set_exit_type(vcpu, EMULATED_RFDI_EXITS);
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*advance = 0;
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break;
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default:
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emulated = EMULATE_FAIL;
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break;
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