[FAST486]

Fix Fast486GetCurrentPrivLevel.

svn path=/branches/ntvdm/; revision=60939

diff --git a/lib/fast486/common.h b/lib/fast486/common.h
index 39c629d..a6c05f1 100644 (file)
--- a/lib/fast486/common.h
+++ b/lib/fast486/common.h
@@ -167,7 +167,16 @@ Fast486ExceptionWithErrorCode
 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"