diff options
| author | Wei Yongjun <yjwei@cn.fujitsu.com> | 2010-08-06 11:45:12 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:51:09 +0200 |
| commit | 41167be544603e077b866a2922737556dc2294e8 (patch) | |
| tree | b9d9c97305a2424c5b2a90620442ba77329a2114 | |
| parent | 943858e27544cd10e6095093a40be911a31892b1 (diff) | |
| download | op-kernel-dev-41167be544603e077b866a2922737556dc2294e8.zip op-kernel-dev-41167be544603e077b866a2922737556dc2294e8.tar.gz | |
KVM: x86 emulator: change OUT instruction to use dst instead of src
Change OUT instruction to use dst instead of src, so we can
reuse those code for all out instructions.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/kvm/emulate.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index dc074a0..8e12e1b 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2321,12 +2321,12 @@ static struct opcode opcode_table[256] = { /* 0xE0 - 0xE7 */ N, N, N, N, D(ByteOp | SrcImmUByte | DstAcc), D(SrcImmUByte | DstAcc), - D(ByteOp | SrcImmUByte | DstAcc), D(SrcImmUByte | DstAcc), + D(ByteOp | SrcAcc | DstImmUByte), D(SrcAcc | DstImmUByte), /* 0xE8 - 0xEF */ D(SrcImm | Stack), D(SrcImm | ImplicitOps), D(SrcImmFAddr | No64), D(SrcImmByte | ImplicitOps), D(SrcNone | ByteOp | DstAcc), D(SrcNone | DstAcc), - D(SrcNone | ByteOp | DstAcc), D(SrcNone | DstAcc), + D(ByteOp | SrcAcc | ImplicitOps), D(SrcAcc | ImplicitOps), /* 0xF0 - 0xF7 */ N, N, N, N, D(ImplicitOps | Priv), D(ImplicitOps), G(ByteOp, group3), G(0, group3), @@ -3148,15 +3148,16 @@ special_insn: break; case 0xee: /* out dx,al */ case 0xef: /* out dx,(e/r)ax */ - c->src.val = c->regs[VCPU_REGS_RDX]; + c->dst.val = c->regs[VCPU_REGS_RDX]; do_io_out: - c->dst.bytes = min(c->dst.bytes, 4u); - if (!emulator_io_permited(ctxt, ops, c->src.val, c->dst.bytes)) { + c->src.bytes = min(c->src.bytes, 4u); + if (!emulator_io_permited(ctxt, ops, c->dst.val, + c->src.bytes)) { emulate_gp(ctxt, 0); goto done; } - ops->pio_out_emulated(c->dst.bytes, c->src.val, &c->dst.val, 1, - ctxt->vcpu); + ops->pio_out_emulated(c->src.bytes, c->dst.val, + &c->src.val, 1, ctxt->vcpu); c->dst.type = OP_NONE; /* Disable writeback. */ break; case 0xf4: /* hlt */ |
