Changeset 32392 in vbox for trunk/src/VBox/VMM

Timestamp:

Sep 10, 2010 12:06:31 PM (14 years ago)

Author:

vboxsync

Message:

pgm pool update for 32-bit dirty page handling

File:

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

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

@@ -1426 +1426 @@
     PVM      pVM        = pPool->CTX_SUFF(pVM);
 
+    if ((pPage->GCPhys & PAGE_OFFSET_MASK) == 0x800)
+    {
+        /* Go to the 2nd half of the 32-bit PT. */
+        pGstPT = (PCX86PT)&pGstPT->a[512];
+    }
+
 #ifdef VBOX_STRICT
     for (unsigned i = 0; i < RT_MIN(RT_ELEMENTS(pShwPT->a), pPage->iFirstPresent); i++)
@@ -1561 +1567 @@
     unsigned cChanged = 0;
 
+    if ((pPage->GCPhys & PAGE_OFFSET_MASK) == 0x800)
+    {
+        /* Go to the 2nd half of the 32-bit PT. */
+        pGstPT    = (PCX86PT)&pGstPT->a[512];
+        pOldGstPT = (PCX86PT)&pOldGstPT->a[512];
+    }
 #ifdef VBOX_STRICT
     for (unsigned i = 0; i < RT_MIN(RT_ELEMENTS(pShwPT->a), pPage->iFirstPresent); i++)
@@ -1744 +1756 @@
      */
     void *pvGst;
-    int   rc  = PGM_GCPHYS_2_PTR(pVM, pPage->GCPhys, &pvGst); AssertReleaseRC(rc);
+    int   rc  = PGM_GCPHYS_2_PTR(pVM, pPage->GCPhys & PAGE_BASE_GC_MASK, &pvGst); AssertReleaseRC(rc);
     memcpy(&pPool->aDirtyPages[idxFree].aPage[0], pvGst, PAGE_SIZE);
 #ifdef VBOX_STRICT