# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxxx
# Date 1168099012 0
# Node ID 9ba91a854787816f5c2086612074baa8a913ada6
# Parent d3e40fd6038ecc67c197b2cf996729b345cbd5f6
[XEN] Emulate MOV imm->reg.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
xen/arch/x86/x86_emulate.c | 23 +++++++++++++++++++++--
1 files changed, 21 insertions(+), 2 deletions(-)
diff -r d3e40fd6038e -r 9ba91a854787 xen/arch/x86/x86_emulate.c
--- a/xen/arch/x86/x86_emulate.c Sat Jan 06 12:56:58 2007 +0000
+++ b/xen/arch/x86/x86_emulate.c Sat Jan 06 15:56:52 2007 +0000
@@ -111,8 +111,14 @@ static uint8_t opcode_table[256] = {
/* 0xA8 - 0xAF */
0, 0, ByteOp|ImplicitOps|Mov, ImplicitOps|Mov,
ByteOp|ImplicitOps|Mov, ImplicitOps|Mov, 0, 0,
- /* 0xB0 - 0xBF */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 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, 0,
0, 0, ByteOp|DstMem|SrcImm|ModRM|Mov, DstMem|SrcImm|ModRM|Mov,
@@ -906,6 +912,19 @@ x86_emulate(
goto done;
register_address_increment(_regs.esp, dst.bytes);
break;
+ case 0xb0 ... 0xb7: /* mov imm8,r8 */
+ dst.reg = decode_register(
+ (b & 7) | ((rex_prefix & 1) << 3), &_regs, (rex_prefix == 0));
+ dst.val = src.val;
+ break;
+ case 0xb8 ... 0xbf: /* mov imm{16,32,64},r{16,32,64} */
+ if ( dst.bytes == 8 ) /* Fetch more bytes to obtain imm64 */
+ src.val = ((uint32_t)src.val |
+ ((uint64_t)insn_fetch_type(uint32_t) << 32));
+ dst.reg = decode_register(
+ (b & 7) | ((rex_prefix & 1) << 3), &_regs, 0);
+ dst.val = src.val;
+ break;
case 0xc0 ... 0xc1: grp2: /* Grp2 */
switch ( modrm_reg & 7 )
{
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