Commit a5e2e82b authored by Mohammed Gamal's avatar Mohammed Gamal Committed by Avi Kivity
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KVM: x86 emulator: Add mov r, imm instructions (opcodes 0xb0-0xbf) 



The emulator only supported one instance of mov r, imm instruction
(opcode 0xb8), this adds the rest of these instructions.

Signed-off-by: default avatarMohammed Gamal <m.gamal005@gmail.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent d657c733

arch/x86/kvm/x86_emulate.c

+11 −4
Original line number Diff line number Diff line
@@ -154,9 +154,16 @@ static u16 opcode_table[256] = { 
	0, 0, ByteOp | ImplicitOps | Mov | String, ImplicitOps | Mov | String,

	ByteOp | ImplicitOps | Mov | String, ImplicitOps | Mov | String,

	ByteOp | ImplicitOps | String, ImplicitOps | String,

	/* 0xB0 - 0xBF */

	0, 0, 0, 0, 0, 0, 0, 0,

	DstReg | SrcImm | Mov, 0, 0, 0, 0, 0, 0, 0,

	/* 0xB0 - 0xB7 */

	ByteOp | DstReg | SrcImm | Mov, ByteOp | DstReg | SrcImm | Mov,

	ByteOp | DstReg | SrcImm | Mov, ByteOp | DstReg | SrcImm | Mov,

	ByteOp | DstReg | SrcImm | Mov, ByteOp | DstReg | SrcImm | Mov,

	ByteOp | DstReg | SrcImm | Mov, ByteOp | DstReg | SrcImm | Mov,

	/* 0xB8 - 0xBF */

	DstReg | SrcImm | Mov, DstReg | SrcImm | Mov,

	DstReg | SrcImm | Mov, DstReg | SrcImm | Mov,

	DstReg | SrcImm | Mov, DstReg | SrcImm | Mov,

	DstReg | SrcImm | Mov, DstReg | SrcImm | Mov,

	/* 0xC0 - 0xC7 */

	ByteOp | DstMem | SrcImm | ModRM, DstMem | SrcImmByte | ModRM,

	0, ImplicitOps | Stack, 0, 0,
@@ -1660,7 +1667,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) 
	case 0xae ... 0xaf:	/* scas */

		DPRINTF("Urk! I don't handle SCAS.\n");

		goto cannot_emulate;

	case 0xb8: /* mov r, imm */

	case 0xb0 ... 0xbf: /* mov r, imm */

		goto mov;

	case 0xc0 ... 0xc1:

		emulate_grp2(ctxt);