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| author | Alexander Graf <agraf@suse.de> | 2010-03-24 23:48:27 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-05-17 13:17:06 +0400 |
| commit | 1c85e73303fa70cd6bc2bf138484acb4ffe30efd (patch) | |
| tree | 3cea3df0bdc1ed14181f05c4e208bda88f550d75 /arch/powerpc/kvm/emulate.c | |
| parent | 1bec1677ca5b3406dc1f174b61beaeb832eed715 (diff) | |
| download | linux-1c85e73303fa70cd6bc2bf138484acb4ffe30efd.tar.xz | |
KVM: PPC: Implement emulation for lbzux and lhax
We get MMIOs with the weirdest instructions. But every time we do,
we need to improve our emulator to implement them.
So let's do that - this time it's lbzux and lhax's round.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/kvm/emulate.c')
| -rw-r--r-- | arch/powerpc/kvm/emulate.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index 2410ec2a756a..dbb5d6842a51 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -38,10 +38,12 @@ #define OP_31_XOP_LBZX 87 #define OP_31_XOP_STWX 151 #define OP_31_XOP_STBX 215 +#define OP_31_XOP_LBZUX 119 #define OP_31_XOP_STBUX 247 #define OP_31_XOP_LHZX 279 #define OP_31_XOP_LHZUX 311 #define OP_31_XOP_MFSPR 339 +#define OP_31_XOP_LHAX 343 #define OP_31_XOP_STHX 407 #define OP_31_XOP_STHUX 439 #define OP_31_XOP_MTSPR 467 @@ -173,6 +175,19 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); break; + case OP_31_XOP_LBZUX: + rt = get_rt(inst); + ra = get_ra(inst); + rb = get_rb(inst); + + ea = kvmppc_get_gpr(vcpu, rb); + if (ra) + ea += kvmppc_get_gpr(vcpu, ra); + + emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); + kvmppc_set_gpr(vcpu, ra, ea); + break; + case OP_31_XOP_STWX: rs = get_rs(inst); emulated = kvmppc_handle_store(run, vcpu, @@ -202,6 +217,11 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) kvmppc_set_gpr(vcpu, rs, ea); break; + case OP_31_XOP_LHAX: + rt = get_rt(inst); + emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1); + break; + case OP_31_XOP_LHZX: rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); |