From 90d34b0e45df3bfe522e9e9d604c4c1a0253699d Mon Sep 17 00:00:00 2001
From: Scott Wood <scottwood@freescale.com>
Date: Tue, 29 Mar 2011 16:49:10 -0500
Subject: [PATCH] KVM: PPC: e500: emulate SVR
Return the actual host SVR for now, as we already do for PVR. Eventually
we may support Qemu overriding PVR/SVR if the situation is appropriate,
once we implement KVM_SET_SREGS on e500.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
arch/powerpc/include/asm/kvm_e500.h | 1 +
arch/powerpc/kvm/e500.c | 1 +
arch/powerpc/kvm/e500_emulate.c | 2 ++
3 files changed, 4 insertions(+)
diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h
index 7fea26fffb25..bb2a0890600f 100644
--- a/arch/powerpc/include/asm/kvm_e500.h
+++ b/arch/powerpc/include/asm/kvm_e500.h
@@ -43,6 +43,7 @@ struct kvmppc_vcpu_e500 {
u32 host_pid[E500_PID_NUM];
u32 pid[E500_PID_NUM];
+ u32 svr;
u32 mas0;
u32 mas1;
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index e3768ee9b595..0c1af1267843 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -63,6 +63,7 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu)
/* Registers init */
vcpu->arch.pvr = mfspr(SPRN_PVR);
+ vcpu_e500->svr = mfspr(SPRN_SVR);
/* Since booke kvm only support one core, update all vcpus' PIR to 0 */
vcpu->vcpu_id = 0;
diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index 8e3edfbc9634..e2fb47f035a5 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -175,6 +175,8 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
case SPRN_HID1:
kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
+ case SPRN_SVR:
+ kvmppc_set_gpr(vcpu, rt, vcpu_e500->svr); break;
case SPRN_MMUCSR0:
kvmppc_set_gpr(vcpu, rt, 0); break;
--
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