Changeset 30908 in vbox

Timestamp:

Jul 19, 2010 1:02:45 PM (15 years ago)

Author:

vboxsync

Message:

PGM.cpp: Fixed initialization bug in r63735 affecting 32-bit guests (not PAE).

File:

• trunk/src/VBox/VMM/PGM.cpp (modified) (1 diff)

trunk/src/VBox/VMM/PGM.cpp

@@ -2051 +2051 @@
          *        address width is relevant.  See table 5-9 in the intel
          *        manual vs the PDE4M descriptions.  Write testcase (NP). */
-        pVCpu->pgm.s.fGst32BitMbzBigPdeMask  = (uint32_t)(fMbzPageFrameMask >> (32 - 13)) | X86_PDE4M_MBZ_MASK;
+        pVCpu->pgm.s.fGst32BitMbzBigPdeMask  = ((uint32_t)(fMbzPageFrameMask >> (32 - 13)) & X86_PDE4M_PG_HIGH_MASK)
+                                             | X86_PDE4M_MBZ_MASK;
 
         pVCpu->pgm.s.fGstPaeMbzPteMask       = fMbzPageFrameMask | X86_PTE_PAE_MBZ_MASK_NO_NX;