PATCH: dr7,eax moves
Marcus Meissner
marcus at jet.franken.de
Sun Feb 15 14:16:41 CST 2004
Hi,
Changelog:
Support emulation of the privileged mov dr7,eax instruction.
Index: dlls/kernel/instr.c
===================================================================
RCS file: /home/wine/wine/dlls/kernel/instr.c,v
retrieving revision 1.11
diff -u -r1.11 instr.c
--- dlls/kernel/instr.c 27 Nov 2003 00:59:36 -0000 1.11
+++ dlls/kernel/instr.c 15 Feb 2004 20:15:09 -0000
@@ -559,6 +559,20 @@
}
/* fallthrough to illegal instruction */
break;
+ case 0x21: /* mov drX, eax */
+ switch (instr[2])
+ {
+ case 0xf8: /* mov dr7, eax */
+ TRACE("mov dr7,eax at 0x%08lx\n",context->Eip);
+ context->Eax = 0;
+ context->Eip += prefixlen+3;
+ return ExceptionContinueExecution;
+ default: /* fallthrough to illegal instruction */
+ ERR("Unknown DR register, eip+2 is %02x\n", instr[2]);
+ break;
+ }
+ /* fallthrough to illegal instruction */
+ break;
case 0xa1: /* pop fs */
{
WORD seg = *(WORD *)get_stack( context );
--
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