diff options
| author | Liu Yu <yu.liu@freescale.com> | 2010-01-22 18:50:29 +0800 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 12:36:05 -0300 |
| commit | d86be077a4d62e5615e97674dab8d894ce582b09 (patch) | |
| tree | 15f84f49b54c3bef6e22c1c72e6138a2d7d4ebc6 /arch | |
| parent | d7fa6ab217aeed26293e01d7b64f79a1ac57e823 (diff) | |
KVM: PPC E500: Add register l1csr0 emulation
Latest kernel start to access l1csr0 to contron L1.
We just tell guest no operation is on going.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_e500.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kvm/e500_emulate.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h index 9d497ce49726..569dfd31ee79 100644 --- a/arch/powerpc/include/asm/kvm_e500.h +++ b/arch/powerpc/include/asm/kvm_e500.h @@ -52,6 +52,7 @@ struct kvmppc_vcpu_e500 { u32 mas5; u32 mas6; u32 mas7; + u32 l1csr0; u32 l1csr1; u32 hid0; u32 hid1; diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c index 7644f7a9bac3..95f8ec8fdc71 100644 --- a/arch/powerpc/kvm/e500_emulate.c +++ b/arch/powerpc/kvm/e500_emulate.c @@ -99,6 +99,10 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) vcpu_e500->mas6 = spr_val; break; case SPRN_MAS7: vcpu_e500->mas7 = spr_val; break; + case SPRN_L1CSR0: + vcpu_e500->l1csr0 = spr_val; + vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC); + break; case SPRN_L1CSR1: vcpu_e500->l1csr1 = spr_val; break; case SPRN_HID0: @@ -179,6 +183,8 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) break; } + case SPRN_L1CSR0: + kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break; case SPRN_L1CSR1: kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break; case SPRN_HID0: |