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authorScott Wood <scottwood@freescale.com>2011-04-28 02:24:21 +0400
committerAvi Kivity <avi@redhat.com>2011-05-22 16:47:53 +0400
commit5ce941ee4258b836cf818d2ac159d8cf3ebad648 (patch)
tree082526b38824e8f763944c39a7e0e9390f298882 /arch/powerpc/kvm/e500.c
parenteab176722f4628b2d9cf76221a43dd3a0e37e632 (diff)
downloadlinux-5ce941ee4258b836cf818d2ac159d8cf3ebad648.tar.xz
KVM: PPC: booke: add sregs support
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/e500.c')
-rw-r--r--arch/powerpc/kvm/e500.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 0c1af1267843..318dbc61ba44 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -97,6 +97,81 @@ int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
return 0;
}
+void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
+{
+ struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
+
+ sregs->u.e.features |= KVM_SREGS_E_ARCH206_MMU | KVM_SREGS_E_SPE |
+ KVM_SREGS_E_PM;
+ sregs->u.e.impl_id = KVM_SREGS_E_IMPL_FSL;
+
+ sregs->u.e.impl.fsl.features = 0;
+ sregs->u.e.impl.fsl.svr = vcpu_e500->svr;
+ sregs->u.e.impl.fsl.hid0 = vcpu_e500->hid0;
+ sregs->u.e.impl.fsl.mcar = vcpu_e500->mcar;
+
+ sregs->u.e.mas0 = vcpu_e500->mas0;
+ sregs->u.e.mas1 = vcpu_e500->mas1;
+ sregs->u.e.mas2 = vcpu_e500->mas2;
+ sregs->u.e.mas7_3 = ((u64)vcpu_e500->mas7 << 32) | vcpu_e500->mas3;
+ sregs->u.e.mas4 = vcpu_e500->mas4;
+ sregs->u.e.mas6 = vcpu_e500->mas6;
+
+ sregs->u.e.mmucfg = mfspr(SPRN_MMUCFG);
+ sregs->u.e.tlbcfg[0] = vcpu_e500->tlb0cfg;
+ sregs->u.e.tlbcfg[1] = vcpu_e500->tlb1cfg;
+ sregs->u.e.tlbcfg[2] = 0;
+ sregs->u.e.tlbcfg[3] = 0;
+
+ sregs->u.e.ivor_high[0] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
+ sregs->u.e.ivor_high[1] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA];
+ sregs->u.e.ivor_high[2] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND];
+ sregs->u.e.ivor_high[3] =
+ vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR];
+
+ kvmppc_get_sregs_ivor(vcpu, sregs);
+}
+
+int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
+{
+ struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
+
+ if (sregs->u.e.impl_id == KVM_SREGS_E_IMPL_FSL) {
+ vcpu_e500->svr = sregs->u.e.impl.fsl.svr;
+ vcpu_e500->hid0 = sregs->u.e.impl.fsl.hid0;
+ vcpu_e500->mcar = sregs->u.e.impl.fsl.mcar;
+ }
+
+ if (sregs->u.e.features & KVM_SREGS_E_ARCH206_MMU) {
+ vcpu_e500->mas0 = sregs->u.e.mas0;
+ vcpu_e500->mas1 = sregs->u.e.mas1;
+ vcpu_e500->mas2 = sregs->u.e.mas2;
+ vcpu_e500->mas7 = sregs->u.e.mas7_3 >> 32;
+ vcpu_e500->mas3 = (u32)sregs->u.e.mas7_3;
+ vcpu_e500->mas4 = sregs->u.e.mas4;
+ vcpu_e500->mas6 = sregs->u.e.mas6;
+ }
+
+ if (!(sregs->u.e.features & KVM_SREGS_E_IVOR))
+ return 0;
+
+ if (sregs->u.e.features & KVM_SREGS_E_SPE) {
+ vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] =
+ sregs->u.e.ivor_high[0];
+ vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] =
+ sregs->u.e.ivor_high[1];
+ vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] =
+ sregs->u.e.ivor_high[2];
+ }
+
+ if (sregs->u.e.features & KVM_SREGS_E_PM) {
+ vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] =
+ sregs->u.e.ivor_high[3];
+ }
+
+ return kvmppc_set_sregs_ivor(vcpu, sregs);
+}
+
struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
{
struct kvmppc_vcpu_e500 *vcpu_e500;