Changeset 1969 in vbox for trunk/src/VBox

Timestamp:

Apr 6, 2007 9:52:23 AM (18 years ago)

Author:

vboxsync

Message:

Check for protected mode in CPUMGetGuestCPL.

File:

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

trunk/src/VBox/VMM/VMMAll/CPUMAllRegs.cpp

@@ -1489 +1489 @@
     uint32_t cpl;
 
-    if (!pCtxCore->eflags.Bits.u1VM)
+    if (pVM->cpum.s.Guest.cr0 & X86_CR0_PE)
     {
-        cpl = (pCtxCore->ss & X86_SEL_RPL);
+        if (!pCtxCore->eflags.Bits.u1VM)
+        {
+            cpl = (pCtxCore->ss & X86_SEL_RPL);
 #ifndef IN_RING0
-        if (cpl == 1)
-            cpl = 0;
+            if (cpl == 1)
+                cpl = 0;
 #endif
+        }
+        else
+            cpl = 3;
     }
     else
-        cpl = 3;
+        cpl = 0;        /* real mode; cpl is zero */
 
     return cpl;