Move all of the parameters of the Root SimObject so they are

directly configured by python.  Move stuff from root.(cc|hh) to
core.(cc|hh) since it really belogs there now.
In the process, simplify how ticks are used in the python code.

--HG--
extra : convert_revision : cf82ee1ea20f9343924f30bacc2a38d4edee8df3

src/python/m5/convert.py

@@ -148,7 +148,7 @@ def toLatency(value):
 
     raise ValueError, "cannot convert '%s' to latency" % value
 
-def toClockPeriod(value):
+def anyToLatency(value):
     """result is a clock period"""
 
     if not isinstance(value, str):
@@ -170,6 +170,27 @@ def toClockPeriod(value):
 
     raise ValueError, "cannot convert '%s' to clock period" % value
 
+def anyToFrequency(value):
+    """result is a clock period"""
+
+    if not isinstance(value, str):
+        raise TypeError, "wrong type '%s' should be str" % type(value)
+
+    try:
+        val = toFrequency(value)
+        return val
+    except ValueError:
+        pass
+
+    try:
+        val = toLatency(value)
+        if val != 0:
+            val = 1 / val
+        return val
+    except ValueError:
+        pass
+
+    raise ValueError, "cannot convert '%s' to clock period" % value
 
 def toNetworkBandwidth(value):
     if not isinstance(value, str):