Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

1 files changed, 15 insertions, 202 deletions

diff --git a/arch/powerpc/kvm/44x_emulate.c b/arch/powerpc/kvm/44x_emulate.c
index 82489a743a6..61af58fcece 100644
--- a/arch/powerpc/kvm/44x_emulate.c
+++ b/arch/powerpc/kvm/44x_emulate.c
@@ -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;
 }