Changeset 22332 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Aug 18, 2009 4:24:33 PM (15 years ago)

Author:

vboxsync

Message:

Rex and rep prefixes set in windows 7 x64.

File:

• trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp (modified) (3 diffs)

trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp

@@ -1163 +1163 @@
         if (    pDis->pCurInstr->opcode == OP_STOSWD
             &&  CPUMGetGuestCPL(pVCpu, pRegFrame) == 0
-            &&  pDis->prefix == PREFIX_REP
             &&  !pRegFrame->eflags.Bits.u1DF
             &&  pDis->opmode == pDis->mode
@@ -1171 +1170 @@
 
             if (    pDis->mode == CPUMODE_32BIT
+                &&  pDis->prefix == PREFIX_REP
                 &&  pRegFrame->ecx <= 0x20
                 &&  pRegFrame->ecx * 4 <= PAGE_SIZE - ((uintptr_t)pvFault & PAGE_OFFSET_MASK)
@@ -1182 +1182 @@
             else
             if (    pDis->mode == CPUMODE_64BIT
+                &&  pDis->prefix == (PREFIX_REP | PREFIX_REX)
                 &&  pRegFrame->rcx <= 0x20
                 &&  pRegFrame->rcx * 4 <= PAGE_SIZE - ((uintptr_t)pvFault & PAGE_OFFSET_MASK)