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Commit dfb507c4 authored by Mohammed Gamal's avatar Mohammed Gamal Committed by Avi Kivity
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KVM: x86 emulator: Add test acc, imm instruction (opcodes 0xA8 - 0xA9) 



This adds test acc, imm instruction to the x86 emulator

Signed-off-by: default avatarMohammed Gamal <m.gamal005@gmail.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 24955b6c

arch/x86/kvm/emulate.c

+4 −1
Original line number Diff line number Diff line
@@ -181,7 +181,7 @@ static u32 opcode_table[256] = { 
	ByteOp | SrcSI | DstDI | Mov | String, SrcSI | DstDI | Mov | String,

	ByteOp | SrcSI | DstDI | String, SrcSI | DstDI | String,

	/* 0xA8 - 0xAF */

	0, 0, ByteOp | DstDI | Mov | String, DstDI | Mov | String,

	DstAcc | SrcImmByte | ByteOp, DstAcc | SrcImm, ByteOp | DstDI | Mov | String, DstDI | Mov | String,

	ByteOp | SrcSI | DstAcc | Mov | String, SrcSI | DstAcc | Mov | String,

	ByteOp | DstDI | String, DstDI | String,

	/* 0xB0 - 0xB7 */
@@ -2754,6 +2754,7 @@ special_insn: 
		}

		break;

	case 0x84 ... 0x85:

	test:

		emulate_2op_SrcV("test", c->src, c->dst, ctxt->eflags);

		break;

	case 0x86 ... 0x87:	/* xchg */
@@ -2852,6 +2853,8 @@ special_insn: 
		c->dst.type = OP_NONE; /* Disable writeback. */

		DPRINTF("cmps: mem1=0x%p mem2=0x%p\n", c->src.ptr, c->dst.ptr);

		goto cmp;

	case 0xa8 ... 0xa9:	/* test ax, imm */

		goto test;

	case 0xaa ... 0xab:	/* stos */

		c->dst.val = c->regs[VCPU_REGS_RAX];

		break;