KVM: x86 emulator: implement 'push imm' (opcode 0x68)

Encountered in FC6 boot sequence, now that we don't force ss.rpl = 0 during
the protected mode transition.  Not really necessary, but nice to have.

Signed-off-by: Avi Kivity <avi@qumranet.com>

diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index 4e037ea8fe643dc49f3efc70537d56970d826340..b90857c765698430ea9e0c19683b529fa276afff 100644 (file)
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -121,7 +121,7 @@ static u16 opcode_table[256] = {
        0, 0, 0, DstReg | SrcMem32 | ModRM | Mov /* movsxd (x86/64) */ ,
        0, 0, 0, 0,
        /* 0x68 - 0x6F */
-       0, 0, SrcImmByte | Mov | Stack, 0,
+       SrcImm | Mov | Stack, 0, SrcImmByte | Mov | Stack, 0,
        SrcNone  | ByteOp  | ImplicitOps, SrcNone  | ImplicitOps, /* insb, insw/insd */
        SrcNone  | ByteOp  | ImplicitOps, SrcNone  | ImplicitOps, /* outsb, outsw/outsd */
        /* 0x70 - 0x77 */
@@ -1424,6 +1424,7 @@ special_insn:
                        goto cannot_emulate;
                c->dst.val = (s32) c->src.val;
                break;
+       case 0x68: /* push imm */
        case 0x6a: /* push imm8 */
                emulate_push(ctxt);
                break;