Hi Avi,
Attached is the patch to implement emulation of instruction:
dec reg
opcodes: 0x48 - 0x4f
Please apply.-- Thanks & Regards, Nitin Open Source Technology Center, Intel Corporation ----------------------------------------------------------------- The mind is like a parachute; it works much better when it's open
commit ea06cdff59c8f9d74be2f6d7b7c4137a7c150a50
Author: Nitin A Kamble <[EMAIL PROTECTED]>
Date: Fri Sep 14 14:55:33 2007 -0700
Implement emulation of instruction:
dec reg
opcode: 0x48 - 0x4f
Signed-off-by: Nitin A Kamble <[EMAIL PROTECTED]>
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index f5a4f4a..64909ff 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -100,7 +100,8 @@ static u8 opcode_table[256] = {
ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
/* 0x48 - 0x4F */
- 0, 0, 0, 0, 0, 0, 0, 0,
+ ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
+ ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
/* 0x50 - 0x57 */
ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
@@ -1409,6 +1410,22 @@ pop_instruction:
}
no_wb = 1; /* Disable writeback. */
break;
+ case 0x48 ... 0x4f: /* dec r16/r32 */
+ 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;
signature.asc
Description: This is a digitally signed message part
------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
