Changeset 25920 in vbox for trunk/src

Timestamp:

Jan 20, 2010 10:16:55 AM (15 years ago)

Author:

vboxsync

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

56752

Message:

Turn on NXE for 32 bits guests if PAE is enabled. (vt-x and amd-v only; we don't support it in the raw mode switchers)

File:

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

trunk/src/VBox/VMM/HWACCM.cpp

@@ -1104 +1104 @@
                     CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
                 }
+                else
+                /* Turn on NXE if PAE has been enabled. */
+                if (CPUMGetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE))
+                    CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
+
                 LogRel((pVM->hwaccm.s.fAllow64BitGuests
                         ? "HWACCM: 32-bit and 64-bit guests supported.\n"
@@ -1249 +1254 @@
                     CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
                 }
+                else
+                /* Turn on NXE if PAE has been enabled. */
+                if (CPUMGetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE))
+                    CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
 #endif
+
                 LogRel((pVM->hwaccm.s.fAllow64BitGuests
                         ? "HWACCM:    32-bit and 64-bit guest supported.\n"