Opcode CA This gets used by a DOS based NetWare guest. Signed-off-by: Bruce Rogers <brogers@xxxxxxxx> --- arch/x86/kvm/emulate.c | 23 ++++++++++++++++++++++- 1 files changed, 22 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 2bc1e81..aee238a 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2025,6 +2025,26 @@ static int em_ret_far(struct x86_emulate_ctxt *ctxt) return rc; } +static int em_ret_far_imm(struct x86_emulate_ctxt *ctxt) +{ + int rc; + unsigned long cs; + + rc = emulate_pop(ctxt, &ctxt->_eip, ctxt->op_bytes); + if (rc != X86EMUL_CONTINUE) + return rc; + if (ctxt->op_bytes == 4) + ctxt->_eip = (u32)ctxt->_eip; + rc = emulate_pop(ctxt, &cs, ctxt->op_bytes); + if (rc != X86EMUL_CONTINUE) + return rc; + rc = load_segment_descriptor(ctxt, (u16)cs, VCPU_SREG_CS); + if (rc != X86EMUL_CONTINUE) + return rc; + rsp_increment(ctxt, ctxt->src.val); + return X86EMUL_CONTINUE; +} + static int em_cmpxchg(struct x86_emulate_ctxt *ctxt) { /* Save real source value, then compare EAX against destination. */ @@ -3763,7 +3783,8 @@ static const struct opcode opcode_table[256] = { G(ByteOp, group11), G(0, group11), /* 0xC8 - 0xCF */ I(Stack | SrcImmU16 | Src2ImmByte, em_enter), I(Stack, em_leave), - N, I(ImplicitOps | Stack, em_ret_far), + I(ImplicitOps | Stack | SrcImmU16, em_ret_far_imm), + I(ImplicitOps | Stack, em_ret_far), D(ImplicitOps), DI(SrcImmByte, intn), D(ImplicitOps | No64), II(ImplicitOps, em_iret, iret), /* 0xD0 - 0xD7 */ -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html