x86 emulator: Add stc instruction (opcode 0xf9)

Commit Message

Mohammed Gamal Aug. 5, 2010, 12:42 p.m. UTC

None

Patch

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index f0f4a43..f345df0 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2269,7 +2269,7 @@  static struct opcode opcode_table[256] = {
 	N, N, N, N,
 	D(ImplicitOps | Priv), D(ImplicitOps), G(ByteOp, group3), G(0, group3),
 	/* 0xF8 - 0xFF */
-	D(ImplicitOps), N, D(ImplicitOps), D(ImplicitOps),
+	D(ImplicitOps), D(ImplicitOps), D(ImplicitOps), D(ImplicitOps),
 	D(ImplicitOps), D(ImplicitOps), G(0, group4), G(0, group5),
 };
 
@@ -3129,6 +3129,10 @@  special_insn:
 		ctxt->eflags &= ~EFLG_CF;
 		c->dst.type = OP_NONE;	/* Disable writeback. */
 		break;
+	case 0xf9: /* stc */
+		ctxt->eflags |= EFLG_CF;
+		c->dst.type = OP_NONE;	/* Disable writeback */
+		break;
 	case 0xfa: /* cli */
 		if (emulator_bad_iopl(ctxt, ops)) {
 			emulate_gp(ctxt, 0);