diff -r d22fdcd09132 -r e5a2dc9bc2c2 src/python/m5/params.py
--- a/src/python/m5/params.py	Sun Apr 18 22:38:00 2010 -0700
+++ b/src/python/m5/params.py	Sun Apr 18 22:38:18 2010 -0700
@@ -770,6 +770,11 @@
     swig_predecls = ['%import "stdint.i"\n' +
                      '%import "base/types.hh"']
 
+    def __new__(cls, value):
+        if isinstance(value, str) and value.endswith('c'):
+            return proxy.Self.clock.latency * int(value[:-1])
+        return NumericParamValue.__new__(cls)
+
     def getValue(self):
         return long(self.value)
 
@@ -847,6 +852,11 @@
     cxx_predecls = ['#include "base/types.hh"']
     swig_predecls = ['%import "stdint.i"\n' +
                      '%import "base/types.hh"']
+    def __new__(cls, value):
+        if isinstance(value, str) and value.endswith('c'):
+            return proxy.Self.clock.latency * int(value[:-1])
+        return ParamValue.__new__(cls)
+
     def __init__(self, value):
         if isinstance(value, (Latency, Clock)):
             self.ticks = value.ticks