From: Takuya Yoshikawa Date: Wed, 23 Nov 2011 03:27:39 +0000 (+0900) Subject: KVM: x86 emulator: Use opcode::execute for INS/OUTS from/to port in DX X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2b5e97e1fadf1ade87558f2a2003616879f9e228;p=linux-beck.git KVM: x86 emulator: Use opcode::execute for INS/OUTS from/to port in DX INSB : 6C INSW/INSD : 6D OUTSB : 6E OUTSW/OUTSD: 6F The I/O port address is read from the DX register when we decode the operand because we see the SrcDX/DstDX flag is set. Signed-off-by: Takuya Yoshikawa Signed-off-by: Avi Kivity --- diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 4cd3313b4131..ac8e5ed78834 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -3321,8 +3321,8 @@ static struct opcode opcode_table[256] = { I(DstReg | SrcMem | ModRM | Src2Imm, em_imul_3op), I(SrcImmByte | Mov | Stack, em_push), I(DstReg | SrcMem | ModRM | Src2ImmByte, em_imul_3op), - D2bvIP(DstDI | SrcDX | Mov | String, ins, check_perm_in), /* insb, insw/insd */ - D2bvIP(SrcSI | DstDX | String, outs, check_perm_out), /* outsb, outsw/outsd */ + I2bvIP(DstDI | SrcDX | Mov | String, em_in, ins, check_perm_in), /* insb, insw/insd */ + I2bvIP(SrcSI | DstDX | String, em_out, outs, check_perm_out), /* outsb, outsw/outsd */ /* 0x70 - 0x7F */ X16(D(SrcImmByte)), /* 0x80 - 0x87 */ @@ -4027,16 +4027,6 @@ special_insn: goto cannot_emulate; ctxt->dst.val = (s32) ctxt->src.val; break; - case 0x6c: /* insb */ - case 0x6d: /* insw/insd */ - ctxt->src.val = ctxt->regs[VCPU_REGS_RDX]; - rc = em_in(ctxt); - break; - case 0x6e: /* outsb */ - case 0x6f: /* outsw/outsd */ - ctxt->dst.val = ctxt->regs[VCPU_REGS_RDX]; - rc = em_out(ctxt); - break; case 0x70 ... 0x7f: /* jcc (short) */ if (test_cc(ctxt->b, ctxt->eflags)) jmp_rel(ctxt, ctxt->src.val);