Changeset 44715 in vbox for trunk/src/VBox/VMM

Timestamp:

Feb 15, 2013 2:23:06 PM (12 years ago)

Author:

vboxsync

Message:

iomMMIODoRead: Don't let 64-bit read thru unless the read mode is IOMMIO_FLAGS_READ_DWORD_QWORD.

File:

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

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

@@ -492 +492 @@
     if (RT_LIKELY(pRange->CTX_SUFF(pfnReadCallback)))
     {
-        if (   (cbValue == 4 && !(GCPhys & 3))
+        if (   (   cbValue == 4
+                && !(GCPhys & 3))
             || (pRange->fFlags & IOMMMIO_FLAGS_READ_MODE) == IOMMMIO_FLAGS_READ_PASSTHRU
-            || (cbValue == 8 && !(GCPhys & 7)) )
+            || (    cbValue == 8
+                && !(GCPhys & 7)
+                && (pRange->fFlags & IOMMMIO_FLAGS_READ_MODE) == IOMMMIO_FLAGS_READ_DWORD_QWORD ) )
             rc = pRange->CTX_SUFF(pfnReadCallback)(pRange->CTX_SUFF(pDevIns), pRange->CTX_SUFF(pvUser), GCPhys, pvValue, cbValue);
         else