Changeset 9986 in vbox for trunk

Timestamp:

Jun 27, 2008 10:14:36 AM (17 years ago)

Author:

vboxsync

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

32429

Message:

Introduced CPUMIsGuestInLongModeEx

Location:

trunk

Files:

• include/VBox/cpum.h (modified) (1 diff)
• src/VBox/VMM/HWACCM.cpp (modified) (1 diff)

trunk/include/VBox/cpum.h

@@ -535 +535 @@
 
 /**
+ * Tests if the guest is running in long mode or not.
+ *
+ * @returns true if in long mode, otherwise false.
+ * @param   pVM     The VM handle.
+ */
+DECLINLINE(bool) CPUMIsGuestInLongModeEx(PCPUMCTX pCtx)
+{
+    return (pCtx->msrEFER & MSR_K6_EFER_LMA) == MSR_K6_EFER_LMA;
+}
+
+/**
  * Tests if the guest is running in 16 bits paged protected or not.
  *

trunk/src/VBox/VMM/HWACCM.cpp

@@ -643 +643 @@
     /** @note The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
 
-    if (!CPUMIsGuestInLongMode(pVM))
+    if (!CPUMIsGuestInLongModeEx(pCtx))
     {
         /* Too early for VT-x; Solaris guests will fail with a guru meditation otherwise; same for XP. */