Include check for making sure caches are enabled.

--HG--
extra : convert_revision : e3902b065db524ebe5bf762e44a840133ccb8d75

configs/common/Simulation.py

@@ -39,6 +39,9 @@ def setCPUClass(options):
     if options.timing:
         TmpClass = TimingSimpleCPU
     elif options.detailed:
+        if not options.caches:
+            print "O3 CPU must be used with caches"
+            sys.exit(1)
         TmpClass = DerivO3CPU
     else:
         TmpClass = AtomicSimpleCPU