Commit d0c7dc03 authored by Hollis Blanchard's avatar Hollis Blanchard Committed by Avi Kivity
Browse files

KVM: ppc: split out common Book E instruction emulation 



The Book E code will be shared with e500.

I've left PID in kvmppc_core_emulate_op() just so that we don't need to move
kvmppc_set_pid() right now. Once we have the e500 implementation, we can
probably share that too.

Signed-off-by: default avatarHollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent cea5d8c9

arch/powerpc/kvm/44x_emulate.c

+15 −202
Original line number Diff line number Diff line
@@ -27,25 +27,12 @@ 
#include "booke.h"

#include "44x_tlb.h"



#define OP_RFI      19



#define XOP_RFI     50

#define XOP_MFMSR   83

#define XOP_WRTEE   131

#define XOP_MTMSR   146

#define XOP_WRTEEI  163

#define XOP_MFDCR   323

#define XOP_MTDCR   451

#define XOP_TLBSX   914

#define XOP_ICCCI   966

#define XOP_TLBWE   978



static void kvmppc_emul_rfi(struct kvm_vcpu *vcpu)

{

	vcpu->arch.pc = vcpu->arch.srr0;

	kvmppc_set_msr(vcpu, vcpu->arch.srr1);

}



int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,

                           unsigned int inst, int *advance)

{
@@ -59,48 +46,9 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, 
	int ws;



	switch (get_op(inst)) {

	case OP_RFI:

		switch (get_xop(inst)) {

		case XOP_RFI:

			kvmppc_emul_rfi(vcpu);

			kvmppc_set_exit_type(vcpu, EMULATED_RFI_EXITS);

			*advance = 0;

			break;



		default:

			emulated = EMULATE_FAIL;

			break;

		}

		break;



	case 31:

		switch (get_xop(inst)) {



		case XOP_MFMSR:

			rt = get_rt(inst);

			vcpu->arch.gpr[rt] = vcpu->arch.msr;

			kvmppc_set_exit_type(vcpu, EMULATED_MFMSR_EXITS);

			break;



		case XOP_MTMSR:

			rs = get_rs(inst);

			kvmppc_set_exit_type(vcpu, EMULATED_MTMSR_EXITS);

			kvmppc_set_msr(vcpu, vcpu->arch.gpr[rs]);

			break;



		case XOP_WRTEE:

			rs = get_rs(inst);

			vcpu->arch.msr = (vcpu->arch.msr & ~MSR_EE)

							 | (vcpu->arch.gpr[rs] & MSR_EE);

			kvmppc_set_exit_type(vcpu, EMULATED_WRTEE_EXITS);

			break;



		case XOP_WRTEEI:

			vcpu->arch.msr = (vcpu->arch.msr & ~MSR_EE)

							 | (inst & MSR_EE);

			kvmppc_set_exit_type(vcpu, EMULATED_WRTEE_EXITS);

			break;



		case XOP_MFDCR:

			dcrn = get_dcrn(inst);

			rt = get_rt(inst);
@@ -186,186 +134,51 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, 
		emulated = EMULATE_FAIL;

	}



	if (emulated == EMULATE_FAIL)

		emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);



	return emulated;

}



int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)

{

	int emulated = EMULATE_DONE;



	switch (sprn) {

	case SPRN_MMUCR:

		vcpu->arch.mmucr = vcpu->arch.gpr[rs]; break;

	case SPRN_PID:

		kvmppc_set_pid(vcpu, vcpu->arch.gpr[rs]); break;

	case SPRN_MMUCR:

		vcpu->arch.mmucr = vcpu->arch.gpr[rs]; break;

	case SPRN_CCR0:

		vcpu->arch.ccr0 = vcpu->arch.gpr[rs]; break;

	case SPRN_CCR1:

		vcpu->arch.ccr1 = vcpu->arch.gpr[rs]; break;

	case SPRN_DEAR:

		vcpu->arch.dear = vcpu->arch.gpr[rs]; break;

	case SPRN_ESR:

		vcpu->arch.esr = vcpu->arch.gpr[rs]; break;

	case SPRN_DBCR0:

		vcpu->arch.dbcr0 = vcpu->arch.gpr[rs]; break;

	case SPRN_DBCR1:

		vcpu->arch.dbcr1 = vcpu->arch.gpr[rs]; break;

	case SPRN_TSR:

		vcpu->arch.tsr &= ~vcpu->arch.gpr[rs]; break;

	case SPRN_TCR:

		vcpu->arch.tcr = vcpu->arch.gpr[rs];

		kvmppc_emulate_dec(vcpu);

		break;



	/* Note: SPRG4-7 are user-readable. These values are

	 * loaded into the real SPRGs when resuming the

	 * guest. */

	case SPRN_SPRG4:

		vcpu->arch.sprg4 = vcpu->arch.gpr[rs]; break;

	case SPRN_SPRG5:

		vcpu->arch.sprg5 = vcpu->arch.gpr[rs]; break;

	case SPRN_SPRG6:

		vcpu->arch.sprg6 = vcpu->arch.gpr[rs]; break;

	case SPRN_SPRG7:

		vcpu->arch.sprg7 = vcpu->arch.gpr[rs]; break;



	case SPRN_IVPR:

		vcpu->arch.ivpr = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR0:

		vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR1:

		vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR2:

		vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR3:

		vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR4:

		vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR5:

		vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR6:

		vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR7:

		vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR8:

		vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR9:

		vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR10:

		vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR11:

		vcpu->arch.ivor[BOOKE_IRQPRIO_FIT] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR12:

		vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR13:

		vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR14:

		vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR15:

		vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG] = vcpu->arch.gpr[rs];

		break;



	default:

		return EMULATE_FAIL;

		emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);

	}



	kvmppc_set_exit_type(vcpu, EMULATED_MTSPR_EXITS);

	return EMULATE_DONE;

	return emulated;

}



int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)

{

	int emulated = EMULATE_DONE;



	switch (sprn) {

	/* 440 */

	case SPRN_PID:

		vcpu->arch.gpr[rt] = vcpu->arch.pid; break;

	case SPRN_MMUCR:

		vcpu->arch.gpr[rt] = vcpu->arch.mmucr; break;

	case SPRN_CCR0:

		vcpu->arch.gpr[rt] = vcpu->arch.ccr0; break;

	case SPRN_CCR1:

		vcpu->arch.gpr[rt] = vcpu->arch.ccr1; break;



	/* Book E */

	case SPRN_PID:

		vcpu->arch.gpr[rt] = vcpu->arch.pid; break;

	case SPRN_IVPR:

		vcpu->arch.gpr[rt] = vcpu->arch.ivpr; break;

	case SPRN_DEAR:

		vcpu->arch.gpr[rt] = vcpu->arch.dear; break;

	case SPRN_ESR:

		vcpu->arch.gpr[rt] = vcpu->arch.esr; break;

	case SPRN_DBCR0:

		vcpu->arch.gpr[rt] = vcpu->arch.dbcr0; break;

	case SPRN_DBCR1:

		vcpu->arch.gpr[rt] = vcpu->arch.dbcr1; break;



	case SPRN_IVOR0:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL];

		break;

	case SPRN_IVOR1:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK];

		break;

	case SPRN_IVOR2:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE];

		break;

	case SPRN_IVOR3:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE];

		break;

	case SPRN_IVOR4:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL];

		break;

	case SPRN_IVOR5:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT];

		break;

	case SPRN_IVOR6:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM];

		break;

	case SPRN_IVOR7:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL];

		break;

	case SPRN_IVOR8:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL];

		break;

	case SPRN_IVOR9:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL];

		break;

	case SPRN_IVOR10:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER];

		break;

	case SPRN_IVOR11:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_FIT];

		break;

	case SPRN_IVOR12:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG];

		break;

	case SPRN_IVOR13:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS];

		break;

	case SPRN_IVOR14:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS];

		break;

	case SPRN_IVOR15:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG];

		break;



	default:

		return EMULATE_FAIL;

		emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);

	}



	kvmppc_set_exit_type(vcpu, EMULATED_MFSPR_EXITS);

	return EMULATE_DONE;

	return emulated;

}

arch/powerpc/kvm/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ AFLAGS_booke_interrupts.o := -I$(obj) 


kvm-440-objs := \

	booke.o \

	booke_emulate.o \

	booke_interrupts.o \

	44x.o \

	44x_tlb.o \

arch/powerpc/kvm/booke.h

+6 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 


#include <linux/types.h>

#include <linux/kvm_host.h>

#include <asm/kvm_ppc.h>

#include "timing.h"



/* interrupt priortity ordering */
@@ -57,4 +58,9 @@ static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr) 
	};

}



int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,

                            unsigned int inst, int *advance);

int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);

int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);



#endif /* __KVM_BOOKE_H__ */

arch/powerpc/kvm/booke_emulate.c

0 → 100644
+262 −0
Original line number Diff line number Diff line 
/*

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License, version 2, as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 *

 * Copyright IBM Corp. 2008

 *

 * Authors: Hollis Blanchard <hollisb@us.ibm.com>

 */



#include <linux/kvm_host.h>

#include <asm/disassemble.h>



#include "booke.h"



#define OP_19_XOP_RFI     50



#define OP_31_XOP_MFMSR   83

#define OP_31_XOP_WRTEE   131

#define OP_31_XOP_MTMSR   146

#define OP_31_XOP_WRTEEI  163



static void kvmppc_emul_rfi(struct kvm_vcpu *vcpu)

{

	vcpu->arch.pc = vcpu->arch.srr0;

	kvmppc_set_msr(vcpu, vcpu->arch.srr1);

}



int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,

                            unsigned int inst, int *advance)

{

	int emulated = EMULATE_DONE;

	int rs;

	int rt;



	switch (get_op(inst)) {

	case 19:

		switch (get_xop(inst)) {

		case OP_19_XOP_RFI:

			kvmppc_emul_rfi(vcpu);

			kvmppc_set_exit_type(vcpu, EMULATED_RFI_EXITS);

			*advance = 0;

			break;



		default:

			emulated = EMULATE_FAIL;

			break;

		}

		break;



	case 31:

		switch (get_xop(inst)) {



		case OP_31_XOP_MFMSR:

			rt = get_rt(inst);

			vcpu->arch.gpr[rt] = vcpu->arch.msr;

			kvmppc_set_exit_type(vcpu, EMULATED_MFMSR_EXITS);

			break;



		case OP_31_XOP_MTMSR:

			rs = get_rs(inst);

			kvmppc_set_exit_type(vcpu, EMULATED_MTMSR_EXITS);

			kvmppc_set_msr(vcpu, vcpu->arch.gpr[rs]);

			break;



		case OP_31_XOP_WRTEE:

			rs = get_rs(inst);

			vcpu->arch.msr = (vcpu->arch.msr & ~MSR_EE)

							 | (vcpu->arch.gpr[rs] & MSR_EE);

			kvmppc_set_exit_type(vcpu, EMULATED_WRTEE_EXITS);

			break;



		case OP_31_XOP_WRTEEI:

			vcpu->arch.msr = (vcpu->arch.msr & ~MSR_EE)

							 | (inst & MSR_EE);

			kvmppc_set_exit_type(vcpu, EMULATED_WRTEE_EXITS);

			break;



		default:

			emulated = EMULATE_FAIL;

		}



		break;



	default:

		emulated = EMULATE_FAIL;

	}



	return emulated;

}



int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)

{

	int emulated = EMULATE_DONE;



	switch (sprn) {

	case SPRN_DEAR:

		vcpu->arch.dear = vcpu->arch.gpr[rs]; break;

	case SPRN_ESR:

		vcpu->arch.esr = vcpu->arch.gpr[rs]; break;

	case SPRN_DBCR0:

		vcpu->arch.dbcr0 = vcpu->arch.gpr[rs]; break;

	case SPRN_DBCR1:

		vcpu->arch.dbcr1 = vcpu->arch.gpr[rs]; break;

	case SPRN_TSR:

		vcpu->arch.tsr &= ~vcpu->arch.gpr[rs]; break;

	case SPRN_TCR:

		vcpu->arch.tcr = vcpu->arch.gpr[rs];

		kvmppc_emulate_dec(vcpu);

		break;



	/* Note: SPRG4-7 are user-readable. These values are

	 * loaded into the real SPRGs when resuming the

	 * guest. */

	case SPRN_SPRG4:

		vcpu->arch.sprg4 = vcpu->arch.gpr[rs]; break;

	case SPRN_SPRG5:

		vcpu->arch.sprg5 = vcpu->arch.gpr[rs]; break;

	case SPRN_SPRG6:

		vcpu->arch.sprg6 = vcpu->arch.gpr[rs]; break;

	case SPRN_SPRG7:

		vcpu->arch.sprg7 = vcpu->arch.gpr[rs]; break;



	case SPRN_IVPR:

		vcpu->arch.ivpr = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR0:

		vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR1:

		vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR2:

		vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR3:

		vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR4:

		vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR5:

		vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR6:

		vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR7:

		vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR8:

		vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR9:

		vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR10:

		vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR11:

		vcpu->arch.ivor[BOOKE_IRQPRIO_FIT] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR12:

		vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR13:

		vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR14:

		vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS] = vcpu->arch.gpr[rs];

		break;

	case SPRN_IVOR15:

		vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG] = vcpu->arch.gpr[rs];

		break;



	default:

		emulated = EMULATE_FAIL;

	}



	return emulated;

}



int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)

{

	int emulated = EMULATE_DONE;



	switch (sprn) {

	case SPRN_IVPR:

		vcpu->arch.gpr[rt] = vcpu->arch.ivpr; break;

	case SPRN_DEAR:

		vcpu->arch.gpr[rt] = vcpu->arch.dear; break;

	case SPRN_ESR:

		vcpu->arch.gpr[rt] = vcpu->arch.esr; break;

	case SPRN_DBCR0:

		vcpu->arch.gpr[rt] = vcpu->arch.dbcr0; break;

	case SPRN_DBCR1:

		vcpu->arch.gpr[rt] = vcpu->arch.dbcr1; break;



	case SPRN_IVOR0:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL];

		break;

	case SPRN_IVOR1:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK];

		break;

	case SPRN_IVOR2:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE];

		break;

	case SPRN_IVOR3:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE];

		break;

	case SPRN_IVOR4:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL];

		break;

	case SPRN_IVOR5:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT];

		break;

	case SPRN_IVOR6:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM];

		break;

	case SPRN_IVOR7:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL];

		break;

	case SPRN_IVOR8:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL];

		break;

	case SPRN_IVOR9:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL];

		break;

	case SPRN_IVOR10:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER];

		break;

	case SPRN_IVOR11:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_FIT];

		break;

	case SPRN_IVOR12:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG];

		break;

	case SPRN_IVOR13:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS];

		break;

	case SPRN_IVOR14:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS];

		break;

	case SPRN_IVOR15:

		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG];

		break;



	default:

		emulated = EMULATE_FAIL;

	}



	return emulated;

}