[aandrejevic] 60939: [FAST486] Fix Fast486GetCurrentPrivLevel.

Author: aandrejevic
Date: Mon Nov 11 15:27:54 2013
New Revision: 60939
URL: http://svn.reactos.org/svn/reactos?rev=60939&view=rev
Log:
[FAST486]
Fix Fast486GetCurrentPrivLevel.
Modified:
    branches/ntvdm/lib/fast486/common.h
Modified: branches/ntvdm/lib/fast486/common.h
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/fast486/common.h?rev=…
==============================================================================
--- branches/ntvdm/lib/fast486/common.h [iso-8859-1] (original)
+++ branches/ntvdm/lib/fast486/common.h [iso-8859-1] Mon Nov 11 15:27:54 2013
@@ -167,7 +167,16 @@
 INT
 Fast486GetCurrentPrivLevel(PFAST486_STATE State)
 {
-    return GET_SEGMENT_RPL(State->SegmentRegs[FAST486_REG_CS].Selector);
+    if (State->ControlRegisters[FAST486_REG_CR0] & FAST486_CR0_PE)
+    {
+        /* In protected mode, return the RPL of the CS */
+        return GET_SEGMENT_RPL(State->SegmentRegs[FAST486_REG_CS].Selector);
+    }
+    else
+    {
+        /* Real mode is always in supervisor mode */
+        return 0;
+    }
 }
 #include "common.inl"