Changeset 46973 in vbox for trunk

Timestamp:

Jul 4, 2013 9:46:17 AM (12 years ago)

Author:

vboxsync

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

86981

Message:

VMM/HMVMXR0: Fail more gracefully when trying to run 64-bit guests on Darwin 32-bit/PAE kernels.

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

@@ -2023 +2023 @@
     pVM->hm.s.vmx.enmFlushVpid = VMX_FLUSH_VPID_NONE;
 
+#ifdef VBOX_WITH_HYBRID_32BIT_KERNEL
+    /*
+     * This is for the darwin 32-bit/PAE kernels trying to execute 64-bit guests. We don't bother with
+     * the 32<->64 switcher in this case. This is a rare, legacy use-case with barely any test coverage.
+     */
+    if (   pVM->hm.s.fAllow64BitGuests
+        && !HMVMX_IS_64BIT_HOST_MODE())
+    {
+        LogRel(("VMXR0SetupVM: Unsupported guest and host paging mode combination.\n"));
+        return VERR_PGM_UNSUPPORTED_HOST_PAGING_MODE;
+    }
+#endif
+
     /* Setup the tagged-TLB flush handlers. */
     int rc = hmR0VmxSetupTaggedTlb(pVM);