Hi Avi,
Attached is the patch to implement instructions:
inc reg
opcode: 0x40 - 0x47
Please apply.
--
Thanks & Regards,
Nitin
Open Source Technology Center, Intel Corporation
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commit c47e7ccd17a9fe79e0f5e8b3198d6cd84e7c85ed Author: Nitin A Kamble <[EMAIL PROTECTED]> Date: Fri Sep 14 14:47:42 2007 -0700
Implement emulation of instruction:
inc reg
opcode: 0x40 - 0x47
Signed-off-by: Nitin A Kamble <[EMAIL PROTECTED]>
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index ab7db47..f5a4f4a 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -96,8 +96,11 @@ static u8 opcode_table[256] = {
ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM,
0, 0, 0, 0,
- /* 0x40 - 0x4F */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ /* 0x40 - 0x47 */
+ ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
+ ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
+ /* 0x48 - 0x4F */
+ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x50 - 0x57 */
ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
@@ -1390,6 +1393,22 @@ pop_instruction:
_eip = ctxt->vcpu->rip;
}
switch (b) {
+ case 0x40 ... 0x47: /* inc reg */
+ dst.ptr = (unsigned long *)&_regs[b & 0x7];
+ dst.val = *dst.ptr;
+ switch (op_bytes) {
+ case 2:
+ *(u16 *)dst.ptr = (u16)dst.val + 1;
+ break;
+ case 4:
+ *dst.ptr = (u32)dst.val + 1;
+ break; /* 64b: zero-ext */
+ case 8:
+ *dst.ptr = dst.val + 1;
+ break;
+ }
+ no_wb = 1; /* Disable writeback. */
+ break;
case 0xa4 ... 0xa5: /* movs */
dst.type = OP_MEM;
dst.bytes = (d & ByteOp) ? 1 : op_bytes;
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