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ntoskrnl.exe: Emulate some more mov eax -> drX.

This commit is contained in:
Marcus Meissner 2014-09-07 20:22:33 +02:00 committed by Alexandre Julliard
parent 1681667293
commit bd6e1976b3
1 changed files with 18 additions and 2 deletions
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20
dlls/ntoskrnl.exe/instr.c
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@ -366,18 +366,34 @@ static DWORD emulate_instruction( EXCEPTION_RECORD *rec, CONTEXT *context )
context->Eip += prefixlen+3;
return ExceptionContinueExecution;
}
ERR("Unsupported DR register, eip+2 is %02x\n", instr[2]);
ERR("Unsupported DR register -> EAX, eip+2 is %02x\n", instr[2]);
/* fallthrough to illegal instruction */
break;
case 0x23: /* mov eax drX */
switch (instr[2])
{
case 0xc0: /* mov eax, dr0 */
context->Dr0 = context->Eax;
context->Eip += prefixlen+3;
return ExceptionContinueExecution;
case 0xc8: /* mov eax, dr1 */
context->Dr1 = context->Eax;
context->Eip += prefixlen+3;
return ExceptionContinueExecution;
case 0xd0: /* mov eax, dr2 */
context->Dr2 = context->Eax;
context->Eip += prefixlen+3;
return ExceptionContinueExecution;
case 0xd8: /* mov eax, dr3 */
context->Dr3 = context->Eax;
context->Eip += prefixlen+3;
return ExceptionContinueExecution;
case 0xf8: /* mov eax, dr7 */
context->Dr7 = context->Eax;
context->Eip += prefixlen+3;
return ExceptionContinueExecution;
}
ERR("Unsupported DR register, eip+2 is %02x\n", instr[2]);
ERR("Unsupported EAX -> DR register, eip+2 is %02x\n", instr[2]);
/* fallthrough to illegal instruction */
break;
}