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Subject[PATCH 33/48] KVM: ppc: e500: Add MMUCFG and PVR emulation
Date
From: Liu Yu <yu.liu@freescale.com>

Latest kernel started to use these two registers.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/powerpc/kvm/e500_emulate.c | 3 +++
arch/powerpc/kvm/emulate.c | 2 ++
2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index 3f76041..be95b8d 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -180,6 +180,9 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
case SPRN_MMUCSR0:
vcpu->arch.gpr[rt] = 0; break;

+ case SPRN_MMUCFG:
+ vcpu->arch.gpr[rt] = mfspr(SPRN_MMUCFG); break;
+
/* extra exceptions */
case SPRN_IVOR32:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index f8b8248..28a8237 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -188,6 +188,8 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
vcpu->arch.gpr[rt] = vcpu->arch.srr1; break;
case SPRN_PVR:
vcpu->arch.gpr[rt] = mfspr(SPRN_PVR); break;
+ case SPRN_PIR:
+ vcpu->arch.gpr[rt] = mfspr(SPRN_PIR); break;

/* Note: mftb and TBRL/TBWL are user-accessible, so
* the guest can always access the real TB anyways.
--
1.6.3.3


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