Changeset 31395 in vbox for trunk/src/VBox

Timestamp:

Aug 5, 2010 12:15:00 PM (15 years ago)

Author:

vboxsync

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

64458

Message:

CPUM.cpp: Added /CPUM/EnableNX config option, defaults to false. Useful for raw-mode where we don't normally enable NXE.

File:

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

trunk/src/VBox/VMM/CPUM.cpp

@@ -931 +931 @@
      */
     bool fEnable;
-    rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);    AssertRCReturn(rc, rc);
+    rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);      AssertRCReturn(rc, rc);
     if (fEnable)
         CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
+
+    /*
+     * We don't normally enable NX for raw-mode, so give the user a chance to
+     * force it on.
+     */
+    rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableNX", &fEnable, false);                 AssertRCReturn(rc, rc);
+    if (fEnable)
+        CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
 
     /*