Changeset 16084 in vbox for trunk/src/VBox

Timestamp:

Jan 20, 2009 2:20:58 PM (16 years ago)

Author:

vboxsync

Message:

Flush the recompiler code cache when switch from real to protected mode. */

File:

• trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp

@@ -35 +35 @@
 #include <VBox/selm.h>
 #include <VBox/iom.h>
+#include <VBox/rem.h>
 #include <iprt/param.h>
 #include <iprt/assert.h>
@@ -1183 +1184 @@
                     &&  enmGuestMode >= PGMMODE_PROTECTED)
                 {
+                    /* Flush the recompiler code cache as it's not unlikely
+                     * the guest will rewrite code it will later execute in real
+                     * mode (OpenBSD 4.0 is one such example)
+                     */
+                    REMFlushTBs(pVM);
+
                     /* DPL of all hidden selector registers must match the current CPL (0). */
                     pCtx->csHid.Attr.n.u2Dpl  = 0;