Changeset 42607 in vbox

Timestamp:

Aug 5, 2012 7:27:20 PM (13 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

79793

Message:

PGM.cpp: Must update the GCPhysA20Mask member when changing fA20Enabled at reset (and other times). Fixes the assertion in PGMR3PhysTlbGCPhys2Ptr when resetting before the guest has reprogrammed the A20 gate.

File:

• trunk/src/VBox/VMM/VMMR3/PGM.cpp (modified) (3 diffs)

trunk/src/VBox/VMM/VMMR3/PGM.cpp

@@ -1286 +1286 @@
 
         pPGM->fA20Enabled      = true;
-        pPGM->GCPhysA20Mask    = ~(RTGCPHYS)(!pPGM->fA20Enabled << 20);
+        pPGM->GCPhysA20Mask    = ~((RTGCPHYS)!pPGM->fA20Enabled << 20);
     }
 
@@ -2487 +2487 @@
      */
     pVCpu->pgm.s.fA20Enabled = true;
+    pVCpu->pgm.s.GCPhysA20Mask = ~((RTGCPHYS)!pVCpu->pgm.s.fA20Enabled << 20);
 
     /*
@@ -2564 +2565 @@
 
         pVCpu->pgm.s.fA20Enabled = true;
+        pVCpu->pgm.s.GCPhysA20Mask = ~((RTGCPHYS)!pVCpu->pgm.s.fA20Enabled << 20);
         pVCpu->pgm.s.fGst32BitPageSizeExtension = false;
         PGMNotifyNxeChanged(pVCpu, false);