summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kvm/e500_emulate.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kvm/e500_emulate.c')
-rw-r--r--arch/powerpc/kvm/e500_emulate.c110
1 files changed, 66 insertions, 44 deletions
diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index 9b2dcda71950..8b99e076dc81 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -140,11 +140,10 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
return emulated;
}
-int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
+int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
{
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
int emulated = EMULATE_DONE;
- ulong spr_val = kvmppc_get_gpr(vcpu, rs);
switch (sprn) {
#ifndef CONFIG_KVM_BOOKE_HV
@@ -154,25 +153,32 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
case SPRN_PID1:
if (spr_val != 0)
return EMULATE_FAIL;
- vcpu_e500->pid[1] = spr_val; break;
+ vcpu_e500->pid[1] = spr_val;
+ break;
case SPRN_PID2:
if (spr_val != 0)
return EMULATE_FAIL;
- vcpu_e500->pid[2] = spr_val; break;
+ vcpu_e500->pid[2] = spr_val;
+ break;
case SPRN_MAS0:
- vcpu->arch.shared->mas0 = spr_val; break;
+ vcpu->arch.shared->mas0 = spr_val;
+ break;
case SPRN_MAS1:
- vcpu->arch.shared->mas1 = spr_val; break;
+ vcpu->arch.shared->mas1 = spr_val;
+ break;
case SPRN_MAS2:
- vcpu->arch.shared->mas2 = spr_val; break;
+ vcpu->arch.shared->mas2 = spr_val;
+ break;
case SPRN_MAS3:
vcpu->arch.shared->mas7_3 &= ~(u64)0xffffffff;
vcpu->arch.shared->mas7_3 |= spr_val;
break;
case SPRN_MAS4:
- vcpu->arch.shared->mas4 = spr_val; break;
+ vcpu->arch.shared->mas4 = spr_val;
+ break;
case SPRN_MAS6:
- vcpu->arch.shared->mas6 = spr_val; break;
+ vcpu->arch.shared->mas6 = spr_val;
+ break;
case SPRN_MAS7:
vcpu->arch.shared->mas7_3 &= (u64)0xffffffff;
vcpu->arch.shared->mas7_3 |= (u64)spr_val << 32;
@@ -183,11 +189,14 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
break;
case SPRN_L1CSR1:
- vcpu_e500->l1csr1 = spr_val; break;
+ vcpu_e500->l1csr1 = spr_val;
+ break;
case SPRN_HID0:
- vcpu_e500->hid0 = spr_val; break;
+ vcpu_e500->hid0 = spr_val;
+ break;
case SPRN_HID1:
- vcpu_e500->hid1 = spr_val; break;
+ vcpu_e500->hid1 = spr_val;
+ break;
case SPRN_MMUCSR0:
emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
@@ -216,90 +225,103 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
break;
#endif
default:
- emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
+ emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, spr_val);
}
return emulated;
}
-int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
+int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
{
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
int emulated = EMULATE_DONE;
switch (sprn) {
#ifndef CONFIG_KVM_BOOKE_HV
- unsigned long val;
-
case SPRN_PID:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break;
+ *spr_val = vcpu_e500->pid[0];
+ break;
case SPRN_PID1:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break;
+ *spr_val = vcpu_e500->pid[1];
+ break;
case SPRN_PID2:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break;
+ *spr_val = vcpu_e500->pid[2];
+ break;
case SPRN_MAS0:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas0); break;
+ *spr_val = vcpu->arch.shared->mas0;
+ break;
case SPRN_MAS1:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas1); break;
+ *spr_val = vcpu->arch.shared->mas1;
+ break;
case SPRN_MAS2:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas2); break;
+ *spr_val = vcpu->arch.shared->mas2;
+ break;
case SPRN_MAS3:
- val = (u32)vcpu->arch.shared->mas7_3;
- kvmppc_set_gpr(vcpu, rt, val);
+ *spr_val = (u32)vcpu->arch.shared->mas7_3;
break;
case SPRN_MAS4:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas4); break;
+ *spr_val = vcpu->arch.shared->mas4;
+ break;
case SPRN_MAS6:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas6); break;
+ *spr_val = vcpu->arch.shared->mas6;
+ break;
case SPRN_MAS7:
- val = vcpu->arch.shared->mas7_3 >> 32;
- kvmppc_set_gpr(vcpu, rt, val);
+ *spr_val = vcpu->arch.shared->mas7_3 >> 32;
break;
#endif
case SPRN_TLB0CFG:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.tlbcfg[0]); break;
+ *spr_val = vcpu->arch.tlbcfg[0];
+ break;
case SPRN_TLB1CFG:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.tlbcfg[1]); break;
+ *spr_val = vcpu->arch.tlbcfg[1];
+ break;
case SPRN_L1CSR0:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;
+ *spr_val = vcpu_e500->l1csr0;
+ break;
case SPRN_L1CSR1:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;
+ *spr_val = vcpu_e500->l1csr1;
+ break;
case SPRN_HID0:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
+ *spr_val = vcpu_e500->hid0;
+ break;
case SPRN_HID1:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
+ *spr_val = vcpu_e500->hid1;
+ break;
case SPRN_SVR:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->svr); break;
+ *spr_val = vcpu_e500->svr;
+ break;
case SPRN_MMUCSR0:
- kvmppc_set_gpr(vcpu, rt, 0); break;
+ *spr_val = 0;
+ break;
case SPRN_MMUCFG:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.mmucfg); break;
+ *spr_val = vcpu->arch.mmucfg;
+ break;
/* extra exceptions */
case SPRN_IVOR32:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]);
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
break;
case SPRN_IVOR33:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]);
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA];
break;
case SPRN_IVOR34:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]);
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND];
break;
case SPRN_IVOR35:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]);
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR];
break;
#ifdef CONFIG_KVM_BOOKE_HV
case SPRN_IVOR36:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL]);
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL];
break;
case SPRN_IVOR37:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL_CRIT]);
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL_CRIT];
break;
#endif
default:
- emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
+ emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, spr_val);
}
return emulated;
OpenPOWER on IntegriCloud