Merge m5.eecs.umich.edu:/bk/newmem

into  ewok.(none):/home/gblack/m5/newmem

src/arch/sparc/regfile.hh:
    Hand Merge

--HG--
extra : convert_revision : c47202689202069892524a7d71962082469996ee

36 files changed, 580 insertions, 314 deletions

diff --git a/src/python/SConscript b/src/python/SConscript
index 4407e403d..7b0f591eb 100644
--- a/src/python/SConscript
+++ b/src/python/SConscript
@@ -25,183 +25,82 @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Steve Reinhardt
+#          Nathan Binkert
 
 import os, os.path, re, sys
+from zipfile import PyZipFile
 
-Import('env')
+# handy function for path joins
+def join(*args):
+    return os.path.normpath(os.path.join(*args))
 
-import scons_helper
-
-def WriteEmbeddedPyFile(target, source, path, name, ext, filename):
-    if isinstance(source, str):
-        source = file(source, 'r')
-
-    if isinstance(target, str):
-        target = file(target, 'w')
-
-    print >>target, "AddModule(%s, %s, %s, %s, '''\\" % \
-          (`path`, `name`, `ext`, `filename`)
-
-    for line in source:
-        line = line
-        # escape existing backslashes
-        line = line.replace('\\', '\\\\')
-        # escape existing triple quotes
-        line = line.replace("'''", r"\'\'\'")
-
-        print >>target, line,
-
-    print >>target, "''')"
-    print >>target
-
-def WriteCFile(target, source, name):
-    if isinstance(source, str):
-        source = file(source, 'r')
-
-    if isinstance(target, str):
-        target = file(target, 'w')
-
-    print >>target, 'const char %s_string[] = {' % name
-
-    count = 0
-    from array import array
-    try:
-        while True:
-            foo = array('B')
-            foo.fromfile(source, 10000)
-            l = [ str(i) for i in foo.tolist() ]
-            count += len(l)
-            for i in xrange(0,9999,20):
-                print >>target, ','.join(l[i:i+20]) + ','
-    except EOFError:
-        l = [ str(i) for i in foo.tolist() ]
-        count += len(l)
-        for i in xrange(0,len(l),20):
-            print >>target, ','.join(l[i:i+20]) + ','
-        print >>target, ','.join(l[i:]) + ','
-
-    print >>target, '};'
-    print >>target, 'const int %s_length = %d;' % (name, count)
-    print >>target
-
-def splitpath(path):
-    dir,file = os.path.split(path)
-    path = []
-    assert(file)
-    while dir:
-        dir,base = os.path.split(dir)
-        path.insert(0, base)
-    return path, file
-
-def MakeEmbeddedPyFile(target, source, env):
-    target = file(str(target[0]), 'w')
-   
-    tree = {}
-    for src in source:
-        src = str(src)
-        path,pyfile = splitpath(src)
-        node = tree
-        for dir in path:
-            if not node.has_key(dir):
-                node[dir] = { }
-            node = node[dir]
-
-        name,ext = pyfile.split('.')
-        if name == '__init__':
-            node['.hasinit'] = True
-        node[pyfile] = (src,name,ext,src)
-
-    done = False
-    while not done:
-        done = True
-        for name,entry in tree.items():
-            if not isinstance(entry, dict): continue
-            if entry.has_key('.hasinit'): continue
-
-            done = False
-            del tree[name]
-            for key,val in entry.iteritems():
-                if tree.has_key(key):
-                    raise NameError, \
-                          "dir already has %s can't add it again" % key
-                tree[key] = val
-
-    files = []
-    def populate(node, path = []):
-        names = node.keys()
-        names.sort()
-        for name in names:
-            if name == '.hasinit':
-                continue
-            
-            entry = node[name]
-            if isinstance(entry, dict):
-                if not entry.has_key('.hasinit'):
-                    raise NameError, 'package directory missing __init__.py'
-                populate(entry, path + [ name ])
-            else:
-                pyfile,name,ext,filename = entry
-                files.append((pyfile, path, name, ext, filename))
-    populate(tree)
-
-    for pyfile, path, name, ext, filename in files:
-        WriteEmbeddedPyFile(target, pyfile, path, name, ext, filename)
+Import('env')
 
+# This SConscript is in charge of collecting .py files and generating
+# a zip archive that is appended to the m5 binary.
+
+# List of files & directories to include in the zip file.  To include
+# a package, list only the root directory of the package, not any
+# internal .py files (else they will get the path stripped off when
+# they are imported into the zip file).
+pyzip_files = []
+
+# List of additional files on which the zip archive depends, but which
+# are not included in pyzip_files... i.e. individual .py files within
+# a package.
+pyzip_dep_files = []
+
+# Add the specified package to the zip archive.  Adds the directory to
+# pyzip_files and all included .py files to pyzip_dep_files.
+def addPkg(pkgdir):
+    pyzip_files.append(pkgdir)
+    origdir = os.getcwd()
+    srcdir = join(Dir('.').srcnode().abspath, pkgdir)
+    os.chdir(srcdir)
+    for path, dirs, files in os.walk('.'):
+        for i,dir in enumerate(dirs):
+            if dir == 'SCCS':
+                del dirs[i]
+                break
+
+        for f in files:
+            if f.endswith('.py'):
+                pyzip_dep_files.append(join(pkgdir, path, f))
+
+    os.chdir(origdir)
+
+# Generate Python file that contains a dict specifying the current
+# build_env flags.
 def MakeDefinesPyFile(target, source, env):
     f = file(str(target[0]), 'w')
-    print >>f, "import __main__"
-    print >>f, "__main__.m5_build_env = ",
+    print >>f, "m5_build_env = ",
     print >>f, source[0]
     f.close()
 
-CFileCounter = 0
-def MakePythonCFile(target, source, env):
-    global CFileCounter
-    target = file(str(target[0]), 'w')
-
-    print >>target, '''\
-#include "base/embedfile.hh"
-
-namespace {
-'''
-    for src in source:
-        src = str(src)
-        fname = os.path.basename(src)
-        name = 'embedded_file%d' % CFileCounter
-        CFileCounter += 1
-        WriteCFile(target, src, name)
-        print >>target, '''\
-EmbedMap %(name)s("%(fname)s",
-    %(name)s_string, %(name)s_length);
-
-''' % locals()
-    print >>target, '''\
-
-/* namespace */ }
-'''
-
-# base list of .py files to embed
-embedded_py_files = [ os.path.join(env['ROOT'], 'util/pbs/jobfile.py') ]
-# add all .py files in python/m5 
-objpath = os.path.join(env['SRCDIR'], 'python', 'm5')
-for root, dirs, files in os.walk(objpath, topdown=True):
-    for i,dir in enumerate(dirs):
-        if dir == 'SCCS':
-            del dirs[i]
-            break
-
-    assert(root.startswith(objpath))
-    for f in files:
-        if f.endswith('.py'):
-            embedded_py_files.append(os.path.join(root, f))
-
-embedfile_hh = os.path.join(env['SRCDIR'], 'base/embedfile.hh')
-
 optionDict = dict([(opt, env[opt]) for opt in env.ExportOptions])
-env.Command('defines.py', Value(optionDict), MakeDefinesPyFile)
-
-env.Command('embedded_py.py', embedded_py_files, MakeEmbeddedPyFile)
-env.Depends('embedded_py.cc', embedfile_hh)
-env.Command('embedded_py.cc',
-            ['string_importer.py', 'defines.py', 'embedded_py.py'],
-            MakePythonCFile)
+env.Command('m5/defines.py', Value(optionDict), MakeDefinesPyFile)
+
+# Now specify the packages & files for the zip archive.
+addPkg('m5')
+pyzip_files.append('m5/defines.py')
+pyzip_files.append(join(env['ROOT'], 'util/pbs/jobfile.py'))
+
+env.Command(['swig/main_wrap.cc', 'm5/main.py'],
+            'swig/main.i',
+            '$SWIG $SWIGFLAGS -outdir ${TARGETS[1].dir} '
+            '-o ${TARGETS[0]} $SOURCES')
+
+pyzip_dep_files.append('m5/main.py')
+
+# Action function to build the zip archive.  Uses the PyZipFile module
+# included in the standard Python library.
+def buildPyZip(target, source, env):
+    pzf = PyZipFile(str(target[0]), 'w')
+    for s in source:
+        pzf.writepy(str(s))
+
+# Add the zip file target to the environment.
+env.Command('m5py.zip', pyzip_files, buildPyZip)
+env.Depends('m5py.zip', pyzip_dep_files)
diff --git a/src/python/m5/__init__.py b/src/python/m5/__init__.py
index 9bb68a090..60a61d66e 100644
--- a/src/python/m5/__init__.py
+++ b/src/python/m5/__init__.py
@@ -23,24 +23,30 @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
+#          Steve Reinhardt
+
+import sys, os, time, atexit, optparse
 
-import sys, os
+# import the SWIG-wrapped main C++ functions
+import main
+# import a few SWIG-wrapped items (those that are likely to be used
+# directly by user scripts) completely into this module for
+# convenience
+from main import simulate, SimLoopExitEvent
+
+# import the m5 compile options
+import defines
 
 # define this here so we can use it right away if necessary
 def panic(string):
     print >>sys.stderr, 'panic:', string
     sys.exit(1)
 
-def m5execfile(f, global_dict):
-    # copy current sys.path
-    oldpath = sys.path[:]
-    # push file's directory onto front of path
-    sys.path.insert(0, os.path.abspath(os.path.dirname(f)))
-    execfile(f, global_dict)
-    # restore original path
-    sys.path = oldpath
-
-# Prepend given directory to system module search path.
+# Prepend given directory to system module search path.  We may not
+# need this anymore if we can structure our config library more like a
+# Python package.
 def AddToPath(path):
     # if it's a relative path and we know what directory the current
     # python script is in, make the path relative to that directory.
@@ -51,24 +57,58 @@ def AddToPath(path):
     # so place the new dir right after that.
     sys.path.insert(1, path)
 
-# find the m5 compile options: must be specified as a dict in
-# __main__.m5_build_env.
-import __main__
-if not hasattr(__main__, 'm5_build_env'):
-    panic("__main__ must define m5_build_env")
+
+# Callback to set trace flags.  Not necessarily the best way to do
+# things in the long run (particularly if we change how these global
+# options are handled).
+def setTraceFlags(option, opt_str, value, parser):
+    objects.Trace.flags = value
+
+# Standard optparse options.  Need to be explicitly included by the
+# user script when it calls optparse.OptionParser().
+standardOptions = [
+    optparse.make_option("--traceflags", type="string", action="callback",
+                         callback=setTraceFlags)
+    ]
 
 # make a SmartDict out of the build options for our local use
 import smartdict
 build_env = smartdict.SmartDict()
-build_env.update(__main__.m5_build_env)
+build_env.update(defines.m5_build_env)
 
 # make a SmartDict out of the OS environment too
 env = smartdict.SmartDict()
 env.update(os.environ)
 
-# import the main m5 config code
-from config import *
+# The final hook to generate .ini files.  Called from the user script
+# once the config is built.
+def instantiate(root):
+    config.ticks_per_sec = float(root.clock.frequency)
+    # ugly temporary hack to get output to config.ini
+    sys.stdout = file('config.ini', 'w')
+    root.print_ini()
+    sys.stdout.close() # close config.ini
+    sys.stdout = sys.__stdout__ # restore to original
+    main.initialize()  # load config.ini into C++ and process it
+    noDot = True # temporary until we fix dot
+    if not noDot:
+       dot = pydot.Dot()
+       instance.outputDot(dot)
+       dot.orientation = "portrait"
+       dot.size = "8.5,11"
+       dot.ranksep="equally"
+       dot.rank="samerank"
+       dot.write("config.dot")
+       dot.write_ps("config.ps")
+
+# Export curTick to user script.
+def curTick():
+    return main.cvar.curTick
 
-# import the built-in object definitions
-from objects import *
+# register our C++ exit callback function with Python
+atexit.register(main.doExitCleanup)
 
+# This import allows user scripts to reference 'm5.objects.Foo' after
+# just doing an 'import m5' (without an 'import m5.objects').  May not
+# matter since most scripts will probably 'from m5.objects import *'.
+import objects
diff --git a/src/python/m5/config.py b/src/python/m5/config.py
index 1e25e0d09..97e13c900 100644
--- a/src/python/m5/config.py
+++ b/src/python/m5/config.py
@@ -23,12 +23,14 @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Steve Reinhardt
+#          Nathan Binkert
 
-from __future__ import generators
 import os, re, sys, types, inspect
 
 import m5
-panic = m5.panic
+from m5 import panic
 from convert import *
 from multidict import multidict
 
@@ -134,8 +136,15 @@ class Singleton(type):
 def isSimObject(value):
     return isinstance(value, SimObject)
 
-def isSimObjSequence(value):
-    if not isinstance(value, (list, tuple)):
+def isSimObjectClass(value):
+    try:
+        return issubclass(value, SimObject)
+    except TypeError:
+        # happens if value is not a class at all
+        return False
+
+def isSimObjectSequence(value):
+    if not isinstance(value, (list, tuple)) or len(value) == 0:
         return False
 
     for val in value:
@@ -144,9 +153,41 @@ def isSimObjSequence(value):
 
     return True
 
+def isSimObjectClassSequence(value):
+    if not isinstance(value, (list, tuple)) or len(value) == 0:
+        return False
+
+    for val in value:
+        if not isNullPointer(val) and not isSimObjectClass(val):
+            return False
+
+    return True
+
+def isSimObjectOrSequence(value):
+    return isSimObject(value) or isSimObjectSequence(value)
+
+def isSimObjectClassOrSequence(value):
+    return isSimObjectClass(value) or isSimObjectClassSequence(value)
+
 def isNullPointer(value):
     return isinstance(value, NullSimObject)
 
+# Apply method to object.
+# applyMethod(obj, 'meth', <args>) is equivalent to obj.meth(<args>)
+def applyMethod(obj, meth, *args, **kwargs):
+    return getattr(obj, meth)(*args, **kwargs)
+
+# If the first argument is an (non-sequence) object, apply the named
+# method with the given arguments.  If the first argument is a
+# sequence, apply the method to each element of the sequence (a la
+# 'map').
+def applyOrMap(objOrSeq, meth, *args, **kwargs):
+    if not isinstance(objOrSeq, (list, tuple)):
+        return applyMethod(objOrSeq, meth, *args, **kwargs)
+    else:
+        return [applyMethod(o, meth, *args, **kwargs) for o in objOrSeq]
+
+
 # The metaclass for ConfigNode (and thus for everything that derives
 # from ConfigNode, including SimObject).  This class controls how new
 # classes that derive from ConfigNode are instantiated, and provides
@@ -167,24 +208,32 @@ class MetaSimObject(type):
     # and only allow "private" attributes to be passed to the base
     # __new__ (starting with underscore).
     def __new__(mcls, name, bases, dict):
-        # Copy "private" attributes (including special methods such as __new__)
-        # to the official dict.  Everything else goes in _init_dict to be
-        # filtered in __init__.
-        cls_dict = {}
-        for key,val in dict.items():
-            if key.startswith('_'):
-                cls_dict[key] = val
-                del dict[key]
-        cls_dict['_init_dict'] = dict
+        if dict.has_key('_init_dict'):
+            # must have been called from makeSubclass() rather than
+            # via Python class declaration; bypass filtering process.
+            cls_dict = dict
+        else:
+            # Copy "private" attributes (including special methods
+            # such as __new__) to the official dict.  Everything else
+            # goes in _init_dict to be filtered in __init__.
+            cls_dict = {}
+            for key,val in dict.items():
+                if key.startswith('_'):
+                    cls_dict[key] = val
+                    del dict[key]
+            cls_dict['_init_dict'] = dict
         return super(MetaSimObject, mcls).__new__(mcls, name, bases, cls_dict)
 
-    # initialization
+    # subclass initialization
     def __init__(cls, name, bases, dict):
+        # calls type.__init__()... I think that's a no-op, but leave
+        # it here just in case it's not.
         super(MetaSimObject, cls).__init__(name, bases, dict)
 
         # initialize required attributes
         cls._params = multidict()
         cls._values = multidict()
+        cls._instantiated = False # really instantiated or subclassed
         cls._anon_subclass_counter = 0
 
         # We don't support multiple inheritance.  If you want to, you
@@ -194,27 +243,14 @@ class MetaSimObject(type):
 
         base = bases[0]
 
+        # the only time the following is not true is when we define
+        # the SimObject class itself
         if isinstance(base, MetaSimObject):
             cls._params.parent = base._params
             cls._values.parent = base._values
+            base._instantiated = True
 
-            # If your parent has a value in it that's a config node, clone
-            # it.  Do this now so if we update any of the values'
-            # attributes we are updating the clone and not the original.
-            for key,val in base._values.iteritems():
-
-                # don't clone if (1) we're about to overwrite it with
-                # a local setting or (2) we've already cloned a copy
-                # from an earlier (more derived) base
-                if cls._init_dict.has_key(key) or cls._values.has_key(key):
-                    continue
-
-                if isSimObject(val):
-                    cls._values[key] = val()
-                elif isSimObjSequence(val) and len(val):
-                    cls._values[key] = [ v() for v in val ]
-
-        # now process remaining _init_dict items
+        # now process the _init_dict items
         for key,val in cls._init_dict.items():
             if isinstance(val, (types.FunctionType, types.TypeType)):
                 type.__setattr__(cls, key, val)
@@ -231,6 +267,27 @@ class MetaSimObject(type):
             else:
                 setattr(cls, key, val)
 
+        # Pull the deep-copy memoization dict out of the class dict if
+        # it's there...
+        memo = cls.__dict__.get('_memo', {})
+
+        # Handle SimObject values
+        for key,val in cls._values.iteritems():
+            # SimObject instances need to be promoted to classes.
+            # Existing classes should not have any instance values, so
+            # these can only occur at the lowest level dict (the
+            # parameters just being set in this class definition).
+            if isSimObjectOrSequence(val):
+                assert(val == cls._values.local[key])
+                cls._values[key] = applyOrMap(val, 'makeClass', memo)
+            # SimObject classes need to be subclassed so that
+            # parameters that get set at this level only affect this
+            # level and derivatives.
+            elif isSimObjectClassOrSequence(val):
+                assert(not cls._values.local.has_key(key))
+                cls._values[key] = applyOrMap(val, 'makeSubclass', {}, memo)
+
+
     def _set_keyword(cls, keyword, val, kwtype):
         if not isinstance(val, kwtype):
             raise TypeError, 'keyword %s has bad type %s (expecting %s)' % \
@@ -260,6 +317,11 @@ class MetaSimObject(type):
         param = cls._params.get(attr, None)
         if param:
             # It's ok: set attribute by delegating to 'object' class.
+            if isSimObjectOrSequence(value) and cls._instantiated:
+                raise AttributeError, \
+                  "Cannot set SimObject parameter '%s' after\n" \
+                  "    class %s has been instantiated or subclassed" \
+                  % (attr, cls.__name__)
             try:
                 cls._values[attr] = param.convert(value)
             except Exception, e:
@@ -268,7 +330,7 @@ class MetaSimObject(type):
                 e.args = (msg, )
                 raise
         # I would love to get rid of this
-        elif isSimObject(value) or isSimObjSequence(value):
+        elif isSimObjectOrSequence(value):
            cls._values[attr] = value
         else:
             raise AttributeError, \
@@ -281,6 +343,22 @@ class MetaSimObject(type):
         raise AttributeError, \
               "object '%s' has no attribute '%s'" % (cls.__name__, attr)
 
+    # Create a subclass of this class.  Basically a function interface
+    # to the standard Python class definition mechanism, primarily for
+    # internal use.  'memo' dict param supports "deep copy" (really
+    # "deep subclass") operations... within a given operation,
+    # multiple references to a class should result in a single
+    # subclass object with multiple references to it (as opposed to
+    # mutiple unique subclasses).
+    def makeSubclass(cls, init_dict, memo = {}):
+        subcls = memo.get(cls)
+        if not subcls:
+            name = cls.__name__ + '_' + str(cls._anon_subclass_counter)
+            cls._anon_subclass_counter += 1
+            subcls = MetaSimObject(name, (cls,),
+                                   { '_init_dict': init_dict, '_memo': memo })
+        return subcls
+
 # The ConfigNode class is the root of the special hierarchy.  Most of
 # the code in this class deals with the configuration hierarchy itself
 # (parent/child node relationships).
@@ -289,27 +367,80 @@ class SimObject(object):
     # get this metaclass.
     __metaclass__ = MetaSimObject
 
-    def __init__(self, _value_parent = None, **kwargs):
+    # __new__ operator allocates new instances of the class.  We
+    # override it here just to support "deep instantiation" operation
+    # via the _memo dict.  When recursively instantiating an object
+    # hierarchy we want to make sure that each class is instantiated
+    # only once, and that if there are multiple references to the same
+    # original class, we end up with the corresponding instantiated
+    # references all pointing to the same instance.
+    def __new__(cls, _memo = None, **kwargs):
+        if _memo is not None and _memo.has_key(cls):
+            # return previously instantiated object
+            assert(len(kwargs) == 0)
+            return _memo[cls]
+        else:
+            # Need a new one... if it needs to be memoized, this will
+            # happen in __init__.  We defer the insertion until then
+            # so __init__ can use the memo dict to tell whether or not
+            # to perform the initialization.
+            return super(SimObject, cls).__new__(cls, **kwargs)
+
+    # Initialize new instance previously allocated by __new__.  For
+    # objects with SimObject-valued params, we need to recursively
+    # instantiate the classes represented by those param values as
+    # well (in a consistent "deep copy"-style fashion; see comment
+    # above).
+    def __init__(self, _memo = None, **kwargs):
+        if _memo is not None:
+            # We're inside a "deep instantiation"
+            assert(isinstance(_memo, dict))
+            assert(len(kwargs) == 0)
+            if _memo.has_key(self.__class__):
+                # __new__ returned an existing, already initialized
+                # instance, so there's nothing to do here
+                assert(_memo[self.__class__] == self)
+                return
+            # no pre-existing object, so remember this one here
+            _memo[self.__class__] = self
+        else:
+            # This is a new top-level instantiation... don't memoize
+            # this objcet, but prepare to memoize any recursively
+            # instantiated objects.
+            _memo = {}
+
+        self.__class__._instantiated = True
+
         self._children = {}
-        if _value_parent and type(_value_parent) != type(self):
-            # this was called as a type conversion rather than a clone
-            raise TypeError, "Cannot convert %s to %s" % \
-                  (_value_parent.__class__.__name__, self.__class__.__name__)
-        if not _value_parent:
-            _value_parent = self.__class__
-        # clone values
-        self._values = multidict(_value_parent._values)
-        for key,val in _value_parent._values.iteritems():
-            if isSimObject(val):
-                setattr(self, key, val())
-            elif isSimObjSequence(val) and len(val):
-                setattr(self, key, [ v() for v in val ])
+        # Inherit parameter values from class using multidict so
+        # individual value settings can be overridden.
+        self._values = multidict(self.__class__._values)
+        # For SimObject-valued parameters, the class should have
+        # classes (not instances) for the values.  We need to
+        # instantiate these classes rather than just inheriting the
+        # class object.
+        for key,val in self.__class__._values.iteritems():
+            if isSimObjectClass(val):
+                setattr(self, key, val(_memo))
+            elif isSimObjectClassSequence(val) and len(val):
+                setattr(self, key, [ v(_memo) for v in val ])
         # apply attribute assignments from keyword args, if any
         for key,val in kwargs.iteritems():
             setattr(self, key, val)
 
+    # Use this instance as a template to create a new class.
+    def makeClass(self, memo = {}):
+        cls = memo.get(self)
+        if not cls:
+            cls =  self.__class__.makeSubclass(self._values.local)
+            memo[self] = cls
+        return cls
+
+    # Direct instantiation of instances (cloning) is no longer
+    # allowed; must generate class from instance first.
     def __call__(self, **kwargs):
-        return self.__class__(_value_parent = self, **kwargs)
+        raise TypeError, "cannot instantiate SimObject; "\
+              "use makeClass() to make class first"
 
     def __getattr__(self, attr):
         if self._values.has_key(attr):
@@ -338,7 +469,7 @@ class SimObject(object):
                 e.args = (msg, )
                 raise
         # I would love to get rid of this
-        elif isSimObject(value) or isSimObjSequence(value):
+        elif isSimObjectOrSequence(value):
             pass
         else:
             raise AttributeError, "Class %s has no parameter %s" \
@@ -349,7 +480,7 @@ class SimObject(object):
 
         if isSimObject(value):
             value.set_path(self, attr)
-        elif isSimObjSequence(value):
+        elif isSimObjectSequence(value):
             value = SimObjVector(value)
             [v.set_path(self, "%s%d" % (attr, i)) for i,v in enumerate(value)]
 
@@ -725,7 +856,7 @@ class ParamDesc(object):
     def __getattr__(self, attr):
         if attr == 'ptype':
             try:
-                ptype = eval(self.ptype_str, m5.__dict__)
+                ptype = eval(self.ptype_str, m5.objects.__dict__)
                 if not isinstance(ptype, type):
                     panic("Param qualifier is not a type: %s" % self.ptype)
                 self.ptype = ptype
@@ -772,7 +903,7 @@ class VectorParamDesc(ParamDesc):
         if isinstance(value, (list, tuple)):
             # list: coerce each element into new list
             tmp_list = [ ParamDesc.convert(self, v) for v in value ]
-            if isSimObjSequence(tmp_list):
+            if isSimObjectSequence(tmp_list):
                 return SimObjVector(tmp_list)
             else:
                 return VectorParamValue(tmp_list)
@@ -794,7 +925,7 @@ class ParamFactory(object):
 
     # E.g., Param.Int(5, "number of widgets")
     def __call__(self, *args, **kwargs):
-        caller_frame = inspect.stack()[1][0]
+        caller_frame = inspect.currentframe().f_back
         ptype = None
         try:
             ptype = eval(self.ptype_str,
@@ -1066,7 +1197,10 @@ class EthernetAddr(ParamValue):
 
     def __str__(self):
         if self.value == NextEthernetAddr:
-            return self.addr
+            if hasattr(self, 'addr'):
+                return self.addr
+            else:
+                return "NextEthernetAddr (unresolved)"
         else:
             return self.value
 
@@ -1287,23 +1421,6 @@ AllMemory = AddrRange(0, MaxAddr)
 
 #####################################################################
 
-# The final hook to generate .ini files.  Called from configuration
-# script once config is built.
-def instantiate(root):
-    global ticks_per_sec
-    ticks_per_sec = float(root.clock.frequency)
-    root.print_ini()
-    noDot = True # temporary until we fix dot
-    if not noDot:
-       dot = pydot.Dot()
-       instance.outputDot(dot)
-       dot.orientation = "portrait"
-       dot.size = "8.5,11"
-       dot.ranksep="equally"
-       dot.rank="samerank"
-       dot.write("config.dot")
-       dot.write_ps("config.ps")
-
 # __all__ defines the list of symbols that get exported when
 # 'from config import *' is invoked.  Try to keep this reasonably
 # short to avoid polluting other namespaces.
@@ -1319,5 +1436,5 @@ __all__ = ['SimObject', 'ParamContext', 'Param', 'VectorParam',
            'NetworkBandwidth', 'MemoryBandwidth',
            'Range', 'AddrRange', 'MaxAddr', 'MaxTick', 'AllMemory',
            'Null', 'NULL',
-           'NextEthernetAddr', 'instantiate']
+           'NextEthernetAddr']
 
diff --git a/src/python/m5/convert.py b/src/python/m5/convert.py
index 73181e985..580a579bc 100644
--- a/src/python/m5/convert.py
+++ b/src/python/m5/convert.py
@@ -23,6 +23,8 @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
 
 # metric prefixes
 exa  = 1.0e18
diff --git a/src/python/m5/multidict.py b/src/python/m5/multidict.py
index fd40ebbbd..34fc3139b 100644
--- a/src/python/m5/multidict.py
+++ b/src/python/m5/multidict.py
@@ -23,13 +23,15 @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
 
 __all__ = [ 'multidict' ]
 
 class multidict(object):
     __nodefault = object()
     def __init__(self, parent = {}, **kwargs):
-        self.dict = dict(**kwargs)
+        self.local = dict(**kwargs)
         self.parent = parent
         self.deleted = {}
 
@@ -40,11 +42,11 @@ class multidict(object):
         return `dict(self.items())`
 
     def __contains__(self, key):
-        return self.dict.has_key(key) or self.parent.has_key(key)
+        return self.local.has_key(key) or self.parent.has_key(key)
 
     def __delitem__(self, key):
         try:
-            del self.dict[key]
+            del self.local[key]
         except KeyError, e:
             if key in self.parent:
                 self.deleted[key] = True
@@ -53,11 +55,11 @@ class multidict(object):
 
     def __setitem__(self, key, value):
         self.deleted.pop(key, False)
-        self.dict[key] = value
+        self.local[key] = value
 
     def __getitem__(self, key):
         try:
-            return self.dict[key]
+            return self.local[key]
         except KeyError, e:
             if not self.deleted.get(key, False) and key in self.parent:
                 return self.parent[key]
@@ -65,15 +67,15 @@ class multidict(object):
                 raise KeyError, e
 
     def __len__(self):
-        return len(self.dict) + len(self.parent)
+        return len(self.local) + len(self.parent)
 
     def next(self):
-        for key,value in self.dict.items():
+        for key,value in self.local.items():
             yield key,value
 
         if self.parent:
             for key,value in self.parent.next():
-                if key not in self.dict and key not in self.deleted:
+                if key not in self.local and key not in self.deleted:
                     yield key,value
 
     def has_key(self, key):
@@ -114,22 +116,22 @@ class multidict(object):
             return self[key]
         except KeyError:
             self.deleted.pop(key, False)
-            self.dict[key] = default
+            self.local[key] = default
             return default
 
     def _dump(self):
         print 'multidict dump'
         node = self
         while isinstance(node, multidict):
-            print '    ', node.dict
+            print '    ', node.local
             node = node.parent
 
     def _dumpkey(self, key):
         values = []
         node = self
         while isinstance(node, multidict):
-            if key in node.dict:
-                values.append(node.dict[key])
+            if key in node.local:
+                values.append(node.local[key])
             node = node.parent
         print key, values
 
diff --git a/src/python/m5/objects/AlphaConsole.py b/src/python/m5/objects/AlphaConsole.py
index 68e6089ab..329b8c5bd 100644
--- a/src/python/m5/objects/AlphaConsole.py
+++ b/src/python/m5/objects/AlphaConsole.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from Device import BasicPioDevice
 
 class AlphaConsole(BasicPioDevice):
diff --git a/src/python/m5/objects/AlphaFullCPU.py b/src/python/m5/objects/AlphaFullCPU.py
index 48989d057..2988305d3 100644
--- a/src/python/m5/objects/AlphaFullCPU.py
+++ b/src/python/m5/objects/AlphaFullCPU.py
@@ -1,13 +1,15 @@
-from m5 import *
+from m5 import build_env
+from m5.config import *
 from BaseCPU import BaseCPU
 
 class DerivAlphaFullCPU(BaseCPU):
     type = 'DerivAlphaFullCPU'
-
+    activity = Param.Unsigned("Initial count")
     numThreads = Param.Unsigned("number of HW thread contexts")
 
-    if not build_env['FULL_SYSTEM']:
-        mem = Param.FunctionalMemory(NULL, "memory")
+    checker = Param.BaseCPU(NULL, "checker")
+
+    cachePorts = Param.Unsigned("Cache Ports")
 
     decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
     renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
@@ -41,22 +43,26 @@ class DerivAlphaFullCPU(BaseCPU):
     executeFloatWidth = Param.Unsigned("Floating point execute width")
     executeBranchWidth = Param.Unsigned("Branch execute width")
     executeMemoryWidth = Param.Unsigned("Memory execute width")
+    fuPool = Param.FUPool(NULL, "Functional Unit pool")
 
     iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
                "delay")
     renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
     commitWidth = Param.Unsigned("Commit width")
     squashWidth = Param.Unsigned("Squash width")
+    trapLatency = Param.Tick("Trap latency")
+    fetchTrapLatency = Param.Tick("Fetch trap latency")
 
-    local_predictor_size = Param.Unsigned("Size of local predictor")
-    local_ctr_bits = Param.Unsigned("Bits per counter")
-    local_history_table_size = Param.Unsigned("Size of local history table")
-    local_history_bits = Param.Unsigned("Bits for the local history")
-    global_predictor_size = Param.Unsigned("Size of global predictor")
-    global_ctr_bits = Param.Unsigned("Bits per counter")
-    global_history_bits = Param.Unsigned("Bits of history")
-    choice_predictor_size = Param.Unsigned("Size of choice predictor")
-    choice_ctr_bits = Param.Unsigned("Bits of choice counters")
+    predType = Param.String("Branch predictor type ('local', 'tournament')")
+    localPredictorSize = Param.Unsigned("Size of local predictor")
+    localCtrBits = Param.Unsigned("Bits per counter")
+    localHistoryTableSize = Param.Unsigned("Size of local history table")
+    localHistoryBits = Param.Unsigned("Bits for the local history")
+    globalPredictorSize = Param.Unsigned("Size of global predictor")
+    globalCtrBits = Param.Unsigned("Bits per counter")
+    globalHistoryBits = Param.Unsigned("Bits of history")
+    choicePredictorSize = Param.Unsigned("Size of choice predictor")
+    choiceCtrBits = Param.Unsigned("Bits of choice counters")
 
     BTBEntries = Param.Unsigned("Number of BTB entries")
     BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
@@ -68,6 +74,8 @@ class DerivAlphaFullCPU(BaseCPU):
     LFSTSize = Param.Unsigned("Last fetched store table size")
     SSITSize = Param.Unsigned("Store set ID table size")
 
+    numRobs = Param.Unsigned("Number of Reorder Buffers");
+
     numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
     numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
                "registers")
@@ -78,3 +86,13 @@ class DerivAlphaFullCPU(BaseCPU):
 
     function_trace = Param.Bool(False, "Enable function trace")
     function_trace_start = Param.Tick(0, "Cycle to start function trace")
+
+    smtNumFetchingThreads = Param.Unsigned("SMT Number of Fetching Threads")
+    smtFetchPolicy = Param.String("SMT Fetch policy")
+    smtLSQPolicy    = Param.String("SMT LSQ Sharing Policy")
+    smtLSQThreshold = Param.String("SMT LSQ Threshold Sharing Parameter")
+    smtIQPolicy    = Param.String("SMT IQ Sharing Policy")
+    smtIQThreshold = Param.String("SMT IQ Threshold Sharing Parameter")
+    smtROBPolicy   = Param.String("SMT ROB Sharing Policy")
+    smtROBThreshold = Param.String("SMT ROB Threshold Sharing Parameter")
+    smtCommitPolicy = Param.String("SMT Commit Policy")
diff --git a/src/python/m5/objects/AlphaTLB.py b/src/python/m5/objects/AlphaTLB.py
index 5edf8e13d..11c1792ee 100644
--- a/src/python/m5/objects/AlphaTLB.py
+++ b/src/python/m5/objects/AlphaTLB.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 class AlphaTLB(SimObject):
     type = 'AlphaTLB'
     abstract = True
diff --git a/src/python/m5/objects/BadDevice.py b/src/python/m5/objects/BadDevice.py
index 9cb9a8f03..186b733fa 100644
--- a/src/python/m5/objects/BadDevice.py
+++ b/src/python/m5/objects/BadDevice.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from Device import BasicPioDevice
 
 class BadDevice(BasicPioDevice):
diff --git a/src/python/m5/objects/BaseCPU.py b/src/python/m5/objects/BaseCPU.py
index 49cb2a8f3..2e78578df 100644
--- a/src/python/m5/objects/BaseCPU.py
+++ b/src/python/m5/objects/BaseCPU.py
@@ -1,4 +1,6 @@
-from m5 import *
+from m5 import build_env
+from m5.config import *
+
 class BaseCPU(SimObject):
     type = 'BaseCPU'
     abstract = True
diff --git a/src/python/m5/objects/BaseCache.py b/src/python/m5/objects/BaseCache.py
index 79d21572a..33f44759b 100644
--- a/src/python/m5/objects/BaseCache.py
+++ b/src/python/m5/objects/BaseCache.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from BaseMem import BaseMem
 
 class Prefetch(Enum): vals = ['none', 'tagged', 'stride', 'ghb']
diff --git a/src/python/m5/objects/Bridge.py b/src/python/m5/objects/Bridge.py
index ada715ce9..880535755 100644
--- a/src/python/m5/objects/Bridge.py
+++ b/src/python/m5/objects/Bridge.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from MemObject import MemObject
 
 class Bridge(MemObject):
diff --git a/src/python/m5/objects/Bus.py b/src/python/m5/objects/Bus.py
index 8c5397281..c37dab438 100644
--- a/src/python/m5/objects/Bus.py
+++ b/src/python/m5/objects/Bus.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from MemObject import MemObject
 
 class Bus(MemObject):
diff --git a/src/python/m5/objects/CoherenceProtocol.py b/src/python/m5/objects/CoherenceProtocol.py
index 7013000d6..64b6cbacf 100644
--- a/src/python/m5/objects/CoherenceProtocol.py
+++ b/src/python/m5/objects/CoherenceProtocol.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 class Coherence(Enum): vals = ['uni', 'msi', 'mesi', 'mosi', 'moesi']
 
 class CoherenceProtocol(SimObject):
diff --git a/src/python/m5/objects/Device.py b/src/python/m5/objects/Device.py
index 2a71bbc65..7798f5f04 100644
--- a/src/python/m5/objects/Device.py
+++ b/src/python/m5/objects/Device.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from MemObject import MemObject
 
 class PioDevice(MemObject):
diff --git a/src/python/m5/objects/DiskImage.py b/src/python/m5/objects/DiskImage.py
index 0d55e9329..70d8b2e45 100644
--- a/src/python/m5/objects/DiskImage.py
+++ b/src/python/m5/objects/DiskImage.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 class DiskImage(SimObject):
     type = 'DiskImage'
     abstract = True
diff --git a/src/python/m5/objects/Ethernet.py b/src/python/m5/objects/Ethernet.py
index 4286c71c8..418670592 100644
--- a/src/python/m5/objects/Ethernet.py
+++ b/src/python/m5/objects/Ethernet.py
@@ -1,4 +1,5 @@
-from m5 import *
+from m5 import build_env
+from m5.config import *
 from Device import DmaDevice
 from Pci import PciDevice
 
diff --git a/src/python/m5/objects/FUPool.py b/src/python/m5/objects/FUPool.py
new file mode 100644
index 000000000..cbf1089cf
--- /dev/null
+++ b/src/python/m5/objects/FUPool.py
@@ -0,0 +1,5 @@
+from m5.config import *
+
+class FUPool(SimObject):
+    type = 'FUPool'
+    FUList = VectorParam.FUDesc("list of FU's for this pool")
diff --git a/src/python/m5/objects/Ide.py b/src/python/m5/objects/Ide.py
index 2403e6d36..9ee578177 100644
--- a/src/python/m5/objects/Ide.py
+++ b/src/python/m5/objects/Ide.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from Pci import PciDevice
 
 class IdeID(Enum): vals = ['master', 'slave']
diff --git a/src/python/m5/objects/IntrControl.py b/src/python/m5/objects/IntrControl.py
index 66c82c182..514c3fc62 100644
--- a/src/python/m5/objects/IntrControl.py
+++ b/src/python/m5/objects/IntrControl.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 class IntrControl(SimObject):
     type = 'IntrControl'
     cpu = Param.BaseCPU(Parent.any, "the cpu")
diff --git a/src/python/m5/objects/MemObject.py b/src/python/m5/objects/MemObject.py
index 4d68243e6..d957dae17 100644
--- a/src/python/m5/objects/MemObject.py
+++ b/src/python/m5/objects/MemObject.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 
 class MemObject(SimObject):
     type = 'MemObject'
diff --git a/src/python/m5/objects/MemTest.py b/src/python/m5/objects/MemTest.py
index 34299faf0..9916d7cb4 100644
--- a/src/python/m5/objects/MemTest.py
+++ b/src/python/m5/objects/MemTest.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 class MemTest(SimObject):
     type = 'MemTest'
     cache = Param.BaseCache("L1 cache")
diff --git a/src/python/m5/objects/OzoneCPU.py b/src/python/m5/objects/OzoneCPU.py
new file mode 100644
index 000000000..f2d9aea84
--- /dev/null
+++ b/src/python/m5/objects/OzoneCPU.py
@@ -0,0 +1,91 @@
+from m5 import build_env
+from m5.config import *
+from BaseCPU import BaseCPU
+
+class DerivOzoneCPU(BaseCPU):
+    type = 'DerivOzoneCPU'
+
+    numThreads = Param.Unsigned("number of HW thread contexts")
+
+    if not build_env['FULL_SYSTEM']:
+        mem = Param.FunctionalMemory(NULL, "memory")
+
+    checker = Param.BaseCPU("Checker CPU")
+
+    width = Param.Unsigned("Width")
+    frontEndWidth = Param.Unsigned("Front end width")
+    backEndWidth = Param.Unsigned("Back end width")
+    backEndSquashLatency = Param.Unsigned("Back end squash latency")
+    backEndLatency = Param.Unsigned("Back end latency")
+    maxInstBufferSize = Param.Unsigned("Maximum instruction buffer size")
+    maxOutstandingMemOps = Param.Unsigned("Maximum number of outstanding memory operations")
+    decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
+    renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
+    iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
+               "delay")
+    commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
+    fetchWidth = Param.Unsigned("Fetch width")
+
+    renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
+    iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
+               "delay")
+    commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
+    fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
+    decodeWidth = Param.Unsigned("Decode width")
+
+    iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
+               "delay")
+    commitToRenameDelay = Param.Unsigned("Commit to rename delay")
+    decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
+    renameWidth = Param.Unsigned("Rename width")
+
+    commitToIEWDelay = Param.Unsigned("Commit to "
+               "Issue/Execute/Writeback delay")
+    renameToIEWDelay = Param.Unsigned("Rename to "
+               "Issue/Execute/Writeback delay")
+    issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
+              "to the IEW stage)")
+    issueWidth = Param.Unsigned("Issue width")
+    executeWidth = Param.Unsigned("Execute width")
+    executeIntWidth = Param.Unsigned("Integer execute width")
+    executeFloatWidth = Param.Unsigned("Floating point execute width")
+    executeBranchWidth = Param.Unsigned("Branch execute width")
+    executeMemoryWidth = Param.Unsigned("Memory execute width")
+
+    iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
+               "delay")
+    renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
+    commitWidth = Param.Unsigned("Commit width")
+    squashWidth = Param.Unsigned("Squash width")
+
+    predType = Param.String("Type of branch predictor ('local', 'tournament')")
+    localPredictorSize = Param.Unsigned("Size of local predictor")
+    localCtrBits = Param.Unsigned("Bits per counter")
+    localHistoryTableSize = Param.Unsigned("Size of local history table")
+    localHistoryBits = Param.Unsigned("Bits for the local history")
+    globalPredictorSize = Param.Unsigned("Size of global predictor")
+    globalCtrBits = Param.Unsigned("Bits per counter")
+    globalHistoryBits = Param.Unsigned("Bits of history")
+    choicePredictorSize = Param.Unsigned("Size of choice predictor")
+    choiceCtrBits = Param.Unsigned("Bits of choice counters")
+
+    BTBEntries = Param.Unsigned("Number of BTB entries")
+    BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
+
+    RASSize = Param.Unsigned("RAS size")
+
+    LQEntries = Param.Unsigned("Number of load queue entries")
+    SQEntries = Param.Unsigned("Number of store queue entries")
+    LFSTSize = Param.Unsigned("Last fetched store table size")
+    SSITSize = Param.Unsigned("Store set ID table size")
+
+    numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
+    numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
+               "registers")
+    numIQEntries = Param.Unsigned("Number of instruction queue entries")
+    numROBEntries = Param.Unsigned("Number of reorder buffer entries")
+
+    instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
+
+    function_trace = Param.Bool(False, "Enable function trace")
+    function_trace_start = Param.Tick(0, "Cycle to start function trace")
diff --git a/src/python/m5/objects/Pci.py b/src/python/m5/objects/Pci.py
index 85cefcd44..9e1e91b13 100644
--- a/src/python/m5/objects/Pci.py
+++ b/src/python/m5/objects/Pci.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from Device import BasicPioDevice, DmaDevice
 
 class PciConfigData(SimObject):
diff --git a/src/python/m5/objects/PhysicalMemory.py b/src/python/m5/objects/PhysicalMemory.py
index c59910093..bed90d555 100644
--- a/src/python/m5/objects/PhysicalMemory.py
+++ b/src/python/m5/objects/PhysicalMemory.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from MemObject import *
 
 class PhysicalMemory(MemObject):
diff --git a/src/python/m5/objects/Platform.py b/src/python/m5/objects/Platform.py
index 4da0ffab4..89fee9991 100644
--- a/src/python/m5/objects/Platform.py
+++ b/src/python/m5/objects/Platform.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 class Platform(SimObject):
     type = 'Platform'
     abstract = True
diff --git a/src/python/m5/objects/Process.py b/src/python/m5/objects/Process.py
index 60b00229e..0091d8654 100644
--- a/src/python/m5/objects/Process.py
+++ b/src/python/m5/objects/Process.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 class Process(SimObject):
     type = 'Process'
     abstract = True
diff --git a/src/python/m5/objects/Repl.py b/src/python/m5/objects/Repl.py
index afd256082..8e9f1094f 100644
--- a/src/python/m5/objects/Repl.py
+++ b/src/python/m5/objects/Repl.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 class Repl(SimObject):
     type = 'Repl'
     abstract = True
diff --git a/src/python/m5/objects/Root.py b/src/python/m5/objects/Root.py
index 205a93c76..373475a7a 100644
--- a/src/python/m5/objects/Root.py
+++ b/src/python/m5/objects/Root.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from Serialize import Serialize
 from Statistics import Statistics
 from Trace import Trace
diff --git a/src/python/m5/objects/SimConsole.py b/src/python/m5/objects/SimConsole.py
index df3061908..9e1452c6d 100644
--- a/src/python/m5/objects/SimConsole.py
+++ b/src/python/m5/objects/SimConsole.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 class ConsoleListener(SimObject):
     type = 'ConsoleListener'
     port = Param.TcpPort(3456, "listen port")
diff --git a/src/python/m5/objects/SimpleDisk.py b/src/python/m5/objects/SimpleDisk.py
index e34155ace..44ef709af 100644
--- a/src/python/m5/objects/SimpleDisk.py
+++ b/src/python/m5/objects/SimpleDisk.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 class SimpleDisk(SimObject):
     type = 'SimpleDisk'
     disk = Param.DiskImage("Disk Image")
diff --git a/src/python/m5/objects/SimpleOzoneCPU.py b/src/python/m5/objects/SimpleOzoneCPU.py
new file mode 100644
index 000000000..5d968cab0
--- /dev/null
+++ b/src/python/m5/objects/SimpleOzoneCPU.py
@@ -0,0 +1,87 @@
+from m5 import build_env
+from m5.config import *
+from BaseCPU import BaseCPU
+
+class SimpleOzoneCPU(BaseCPU):
+    type = 'SimpleOzoneCPU'
+
+    numThreads = Param.Unsigned("number of HW thread contexts")
+
+    if not build_env['FULL_SYSTEM']:
+        mem = Param.FunctionalMemory(NULL, "memory")
+
+    width = Param.Unsigned("Width")
+    frontEndWidth = Param.Unsigned("Front end width")
+    backEndWidth = Param.Unsigned("Back end width")
+    backEndSquashLatency = Param.Unsigned("Back end squash latency")
+    backEndLatency = Param.Unsigned("Back end latency")
+    maxInstBufferSize = Param.Unsigned("Maximum instruction buffer size")
+    decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
+    renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
+    iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
+               "delay")
+    commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
+    fetchWidth = Param.Unsigned("Fetch width")
+
+    renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
+    iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
+               "delay")
+    commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
+    fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
+    decodeWidth = Param.Unsigned("Decode width")
+
+    iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
+               "delay")
+    commitToRenameDelay = Param.Unsigned("Commit to rename delay")
+    decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
+    renameWidth = Param.Unsigned("Rename width")
+
+    commitToIEWDelay = Param.Unsigned("Commit to "
+               "Issue/Execute/Writeback delay")
+    renameToIEWDelay = Param.Unsigned("Rename to "
+               "Issue/Execute/Writeback delay")
+    issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
+              "to the IEW stage)")
+    issueWidth = Param.Unsigned("Issue width")
+    executeWidth = Param.Unsigned("Execute width")
+    executeIntWidth = Param.Unsigned("Integer execute width")
+    executeFloatWidth = Param.Unsigned("Floating point execute width")
+    executeBranchWidth = Param.Unsigned("Branch execute width")
+    executeMemoryWidth = Param.Unsigned("Memory execute width")
+
+    iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
+               "delay")
+    renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
+    commitWidth = Param.Unsigned("Commit width")
+    squashWidth = Param.Unsigned("Squash width")
+
+    localPredictorSize = Param.Unsigned("Size of local predictor")
+    localCtrBits = Param.Unsigned("Bits per counter")
+    localHistoryTableSize = Param.Unsigned("Size of local history table")
+    localHistoryBits = Param.Unsigned("Bits for the local history")
+    globalPredictorSize = Param.Unsigned("Size of global predictor")
+    globalCtrBits = Param.Unsigned("Bits per counter")
+    globalHistoryBits = Param.Unsigned("Bits of history")
+    choicePredictorSize = Param.Unsigned("Size of choice predictor")
+    choiceCtrBits = Param.Unsigned("Bits of choice counters")
+
+    BTBEntries = Param.Unsigned("Number of BTB entries")
+    BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
+
+    RASSize = Param.Unsigned("RAS size")
+
+    LQEntries = Param.Unsigned("Number of load queue entries")
+    SQEntries = Param.Unsigned("Number of store queue entries")
+    LFSTSize = Param.Unsigned("Last fetched store table size")
+    SSITSize = Param.Unsigned("Store set ID table size")
+
+    numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
+    numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
+               "registers")
+    numIQEntries = Param.Unsigned("Number of instruction queue entries")
+    numROBEntries = Param.Unsigned("Number of reorder buffer entries")
+
+    instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
+
+    function_trace = Param.Bool(False, "Enable function trace")
+    function_trace_start = Param.Tick(0, "Cycle to start function trace")
diff --git a/src/python/m5/objects/System.py b/src/python/m5/objects/System.py
index 622b5a870..9a1e1d690 100644
--- a/src/python/m5/objects/System.py
+++ b/src/python/m5/objects/System.py
@@ -1,4 +1,5 @@
-from m5 import *
+from m5 import build_env
+from m5.config import *
 
 class System(SimObject):
     type = 'System'
@@ -7,8 +8,6 @@ class System(SimObject):
         boot_cpu_frequency = Param.Frequency(Self.cpu[0].clock.frequency,
                                              "boot processor frequency")
         init_param = Param.UInt64(0, "numerical value to pass into simulator")
-        bin = Param.Bool(False, "is this system binned")
-        binned_fns = VectorParam.String([], "functions broken down and binned")
         boot_osflags = Param.String("a", "boot flags to pass to the kernel")
         kernel = Param.String("file that contains the kernel code")
         readfile = Param.String("", "file to read startup script from")
diff --git a/src/python/m5/objects/Tsunami.py b/src/python/m5/objects/Tsunami.py
index 27ea0bce8..4613571d8 100644
--- a/src/python/m5/objects/Tsunami.py
+++ b/src/python/m5/objects/Tsunami.py
@@ -1,4 +1,4 @@
-from m5 import *
+from m5.config import *
 from Device import BasicPioDevice
 from Platform import Platform
 
diff --git a/src/python/m5/objects/Uart.py b/src/python/m5/objects/Uart.py
index 54754aeb9..8e1fd1a37 100644
--- a/src/python/m5/objects/Uart.py
+++ b/src/python/m5/objects/Uart.py
@@ -1,4 +1,5 @@
-from m5 import *
+from m5 import build_env
+from m5.config import *
 from Device import BasicPioDevice
 
 class Uart(BasicPioDevice):
diff --git a/src/python/m5/smartdict.py b/src/python/m5/smartdict.py
index cd38d7326..d85dbd517 100644
--- a/src/python/m5/smartdict.py
+++ b/src/python/m5/smartdict.py
@@ -23,6 +23,8 @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Nathan Binkert
 
 # The SmartDict class fixes a couple of issues with using the content
 # of os.environ or similar dicts of strings as Python variables: