Changeset 15303 in vbox for trunk/src/VBox

Timestamp:

Dec 11, 2008 1:31:00 PM (16 years ago)

Author:

vboxsync

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

40726

Message:

REM: actually ask for guest bitness when loading apropriate implmentation

File:

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

trunk/src/VBox/VMM/VM.cpp

@@ -3271 +3271 @@
     return pUVMCPU->vm.s.ThreadEMT;
 }
+
+/**
+ * Compute supposed guest bitness.
+ * 
+ * @returns maximum bitness this guest may use
+ * @param   pVM             The VM handle.
+ */
+VMMR3DECL(int32_t)          VMR3GetGuestBitness(PVM pVM)
+{
+    
+    bool hasLongMode = CPUMGetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
+
+    return hasLongMode ? 64 : 32;
+}