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authorScott Wood <scottwood@freescale.com>2011-08-19 00:25:21 +0400
committerAvi Kivity <avi@redhat.com>2012-03-05 16:52:24 +0400
commitdc83b8bc0256ee682506ed83853a98eaba529c6f (patch)
tree0d5f73b725392104320894d606bba10151a9ea3c /arch/powerpc/kvm/e500_emulate.c
parent0164c0f0c404017fb04defb0ceb23fd1c3c3a53e (diff)
downloadlinux-dc83b8bc0256ee682506ed83853a98eaba529c6f.tar.xz
KVM: PPC: e500: MMU API
This implements a shared-memory API for giving host userspace access to the guest's TLB. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/kvm/e500_emulate.c')
-rw-r--r--arch/powerpc/kvm/e500_emulate.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index d48ae396f41e..e0d36099c756 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -95,13 +95,17 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
case SPRN_MAS2:
vcpu_e500->mas2 = spr_val; break;
case SPRN_MAS3:
- vcpu_e500->mas3 = spr_val; break;
+ vcpu_e500->mas7_3 &= ~(u64)0xffffffff;
+ vcpu_e500->mas7_3 |= spr_val;
+ break;
case SPRN_MAS4:
vcpu_e500->mas4 = spr_val; break;
case SPRN_MAS6:
vcpu_e500->mas6 = spr_val; break;
case SPRN_MAS7:
- vcpu_e500->mas7 = spr_val; break;
+ vcpu_e500->mas7_3 &= (u64)0xffffffff;
+ vcpu_e500->mas7_3 |= (u64)spr_val << 32;
+ break;
case SPRN_L1CSR0:
vcpu_e500->l1csr0 = spr_val;
vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
@@ -158,13 +162,13 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
case SPRN_MAS2:
kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas2); break;
case SPRN_MAS3:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas3); break;
+ kvmppc_set_gpr(vcpu, rt, (u32)vcpu_e500->mas7_3); break;
case SPRN_MAS4:
kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas4); break;
case SPRN_MAS6:
kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas6); break;
case SPRN_MAS7:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas7); break;
+ kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas7_3 >> 32); break;
case SPRN_TLB0CFG:
kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb0cfg); break;