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KVM: PPC: e500: emulate SVR

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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>
This commit is contained in:
Scott Wood 2011-03-29 16:49:10 -05:00 committed by Avi Kivity
parent 2fb92db1ec
commit 90d34b0e45
3 changed files with 4 additions and 0 deletions
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1
arch/powerpc/include/asm/kvm_e500.h
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@ -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;

1
arch/powerpc/kvm/e500.c
View file

@ -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;

2
arch/powerpc/kvm/e500_emulate.c
View file

@ -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;