Changeset 52361 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Aug 12, 2014 7:04:10 PM (11 years ago)

Author:

vboxsync

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

95493

Message:

iemInitDecoderAndPrefetchOpcodes: Outside 64-bit mode, effective address calculation shall be done using 32-bit precision according to 4.5.3, AMD64 Vol. 2. See xTracker #7408.

File:

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

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

@@ -976 +976 @@
             cbToTryRead = UINT32_MAX;
         }
-        GCPtrPC = pCtx->cs.u64Base + GCPtrPC32;
+        GCPtrPC = (uint32_t)pCtx->cs.u64Base + GCPtrPC32;
+        Assert(GCPtrPC <= UINT32_MAX);
     }