Merge zizzer:/bk/m5 into vm1.reinhardt.house:/z/stever/bk/m5

--HG--
extra : convert_revision : d5b97b8f5af42115989e7f9f4baa421d61a13b70
This commit is contained in:
Steve Reinhardt 2005-03-07 20:56:17 -05:00
commit 31d9d3bfe1
3 changed files with 214 additions and 176 deletions

View file

@ -1,4 +1,4 @@
Coherence = Enum('uni', 'msi', 'mesi', 'mosi', 'moesi')
class Coherence(Enum): vals = ['uni', 'msi', 'mesi', 'mosi', 'moesi']
simobj CoherenceProtocol(SimObject):
type = 'CoherenceProtocol'

View file

@ -1,6 +1,6 @@
from Pci import PciDevice
IdeID = Enum('master', 'slave')
class IdeID(Enum): vals = ['master', 'slave']
simobj IdeDisk(SimObject):
type = 'IdeDisk'

View file

@ -25,7 +25,7 @@
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
from __future__ import generators
import os, re, sys, types
import os, re, sys, types, inspect
noDot = False
try:
import pydot
@ -172,9 +172,6 @@ def isSubClass(value, cls):
except:
return False
def isParam(self):
return isinstance(self, _Param)
def isConfigNode(value):
try:
return issubclass(value, ConfigNode)
@ -204,8 +201,8 @@ def isParamContext(value):
return False
class_decorator = '_M5M5_SIMOBJECT_'
expr_decorator = '_M5M5_EXPRESSION_'
class_decorator = 'M5M5_SIMOBJECT_'
expr_decorator = 'M5M5_EXPRESSION_'
dot_decorator = '_M5M5_DOT_'
# The metaclass for ConfigNode (and thus for everything that derives
@ -215,9 +212,11 @@ dot_decorator = '_M5M5_DOT_'
# of that class are instantiated, and provides inherited instance
# behavior).
class MetaConfigNode(type):
keywords = { 'abstract' : types.BooleanType,
'check' : types.FunctionType,
'type' : (types.NoneType, types.StringType) }
# Attributes that can be set only at initialization time
init_keywords = {}
# Attributes that can be set any time
keywords = { 'check' : types.FunctionType,
'children' : types.ListType }
# __new__ is called before __init__, and is where the statements
# in the body of the class definition get loaded into the class's
@ -225,77 +224,78 @@ class MetaConfigNode(type):
# and only allow "private" attributes to be passed to the base
# __new__ (starting with underscore).
def __new__(mcls, name, bases, dict):
priv = { 'abstract' : False,
# initialize _params and _values dicts to empty
'_params' : {},
'_values' : {},
'_disable' : {} }
# 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]
# See description of decorators in the importer.py file
# We just strip off the expr_decorator now since we don't
# need from this point on.
if key.startswith(expr_decorator):
key = key[len(expr_decorator):]
if mcls.keywords.has_key(key):
if not isinstance(val, mcls.keywords[key]):
raise TypeError, \
'keyword %s has the wrong type %s should be %s' % \
(key, type(val), mcls.keywords[key])
if isinstance(val, types.FunctionType):
val = classmethod(val)
priv[key] = val
elif key.startswith('_'):
priv[key] = val
elif not isNullPointer(val) and isConfigNode(val):
dict[key] = val()
elif isSimObjSequence(val):
dict[key] = [ v() for v in val ]
else:
dict[key] = val
# If your parent has a value in it that's a config node, clone it.
for base in bases:
if not isConfigNode(base):
continue
for key,value in base._values.iteritems():
if dict.has_key(key):
continue
if isConfigNode(value):
priv['_values'][key] = value()
elif isSimObjSequence(value):
priv['_values'][key] = [ val() for val in value ]
# entries left in dict will get passed to __init__, where we'll
# deal with them as params.
return super(MetaConfigNode, mcls).__new__(mcls, name, bases, priv)
cls_dict['_init_dict'] = dict
return super(MetaConfigNode, mcls).__new__(mcls, name, bases, cls_dict)
# initialization
def __init__(cls, name, bases, dict):
super(MetaConfigNode, cls).__init__(cls, name, bases, {})
super(MetaConfigNode, cls).__init__(name, bases, dict)
# initialize required attributes
cls._params = {}
cls._values = {}
cls._enums = {}
cls._disable = {}
cls._bases = [c for c in cls.__mro__ if isConfigNode(c)]
cls._anon_subclass_counter = 0
# initialize attributes with values from class definition
for key,value in dict.iteritems():
# turn an expression that was munged in the importer
# 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 base in cls._bases:
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 isConfigNode(val):
cls._values[key] = val()
elif isSimObjSequence(val):
cls._values[key] = [ v() for v in val ]
elif isNullPointer(val):
cls._values[key] = val
# now process _init_dict items
for key,val in cls._init_dict.items():
if isinstance(val, _Param):
cls._params[key] = val
# init-time-only keywords
elif cls.init_keywords.has_key(key):
cls._set_keyword(key, val, cls.init_keywords[key])
# enums
elif isinstance(val, type) and issubclass(val, Enum):
cls._enums[key] = val
# See description of decorators in the importer.py file.
# We just strip off the expr_decorator now since we don't
# need from this point on.
elif key.startswith(expr_decorator):
key = key[len(expr_decorator):]
# because it had dots into a list so that we can find the
# proper variable to modify.
key = key.split(dot_decorator)
c = cls
for item in key[:-1]:
c = getattr(c, item)
setattr(c, key[-1], value)
setattr(c, key[-1], val)
# default: use normal path (ends up in __setattr__)
else:
setattr(cls, key, val)
def _isvalue(cls, name):
for c in cls._bases:
@ -329,9 +329,6 @@ class MetaConfigNode(type):
else:
return default
def _setparam(cls, name, value):
cls._params[name] = value
def _hasvalue(cls, name):
for c in cls._bases:
if c._values.has_key(name):
@ -347,7 +344,11 @@ class MetaConfigNode(type):
values[p] = v
for p,v in c._params.iteritems():
if not values.has_key(p) and hasattr(v, 'default'):
try:
v.valid(v.default)
except TypeError:
panic("Invalid default %s for param %s in node %s"
% (v.default,p,cls.__name__))
v = v.default
cls._setvalue(p, v)
values[p] = v
@ -391,12 +392,20 @@ class MetaConfigNode(type):
if cls._isvalue(attr):
return Value(cls, attr)
if attr == '_cppname' and hasattr(cls, 'type'):
if attr == '_cpp_param_decl' and hasattr(cls, 'type'):
return cls.type + '*'
raise AttributeError, \
"object '%s' has no attribute '%s'" % (cls.__name__, attr)
def _set_keyword(cls, keyword, val, kwtype):
if not isinstance(val, kwtype):
raise TypeError, 'keyword %s has bad type %s (expecting %s)' % \
(keyword, type(val), kwtype)
if isinstance(val, types.FunctionType):
val = classmethod(val)
type.__setattr__(cls, keyword, val)
# Set attribute (called on foo.attr = value when foo is an
# instance of class cls).
def __setattr__(cls, attr, value):
@ -406,11 +415,7 @@ class MetaConfigNode(type):
return
if cls.keywords.has_key(attr):
raise TypeError, \
"keyword '%s' can only be set in a simobj definition" % attr
if isParam(value):
cls._setparam(attr, value)
cls._set_keyword(attr, value, cls.keywords[attr])
return
# must be SimObject param
@ -424,8 +429,6 @@ class MetaConfigNode(type):
elif isConfigNode(value) or isSimObjSequence(value):
cls._setvalue(attr, value)
else:
for p,v in cls._getparams().iteritems():
print p,v
raise AttributeError, \
"Class %s has no parameter %s" % (cls.__name__, attr)
@ -530,53 +533,59 @@ class ConfigNode(object):
# Specify metaclass. Any class inheriting from ConfigNode will
# get this metaclass.
__metaclass__ = MetaConfigNode
type = None
def __new__(cls, **kwargs):
return MetaConfigNode(cls.__name__, (cls, ), kwargs)
# Set attribute. All attribute assignments go through here. Must
# be private attribute (starts with '_') or valid parameter entry.
# Basically identical to MetaConfigClass.__setattr__(), except
# this sets attributes on specific instances rather than on classes.
#def __setattr__(self, attr, value):
# if attr.startswith('_'):
# object.__setattr__(self, attr, value)
# return
# not private; look up as param
# param = self.__class__.lookup_param(attr)
# if not param:
# raise AttributeError, \
# "Class %s has no parameter %s" \
# % (self.__class__.__name__, attr)
# It's ok: set attribute by delegating to 'object' class.
# Note the use of param.make_value() to verify/canonicalize
# the assigned value.
# v = param.convert(value)
# object.__setattr__(self, attr, v)
name = cls.__name__ + ("_%d" % cls._anon_subclass_counter)
cls._anon_subclass_counter += 1
return cls.__metaclass__(name, (cls, ), kwargs)
class ParamContext(ConfigNode):
pass
# SimObject is a minimal extension of ConfigNode, implementing a
# hierarchy node that corresponds to an M5 SimObject. It prints out a
# "type=" line to indicate its SimObject class, prints out the
# assigned parameters corresponding to its class, and allows
# parameters to be set by keyword in the constructor. Note that most
# of the heavy lifting for the SimObject param handling is done in the
# MetaConfigNode metaclass.
class SimObject(ConfigNode):
def _sim_code(cls):
class MetaSimObject(MetaConfigNode):
# init_keywords and keywords are inherited from MetaConfigNode,
# with overrides/additions
init_keywords = MetaConfigNode.init_keywords
init_keywords.update({ 'abstract' : types.BooleanType,
'type' : types.StringType })
keywords = MetaConfigNode.keywords
# no additional keywords
cpp_classes = []
# initialization
def __init__(cls, name, bases, dict):
super(MetaSimObject, cls).__init__(name, bases, dict)
if hasattr(cls, 'type'):
if name == 'SimObject':
cls._cpp_base = None
elif hasattr(cls._bases[1], 'type'):
cls._cpp_base = cls._bases[1].type
else:
panic("SimObject %s derives from a non-C++ SimObject %s "\
"(no 'type')" % (cls, cls_bases[1].__name__))
# This class corresponds to a C++ class: put it on the global
# list of C++ objects to generate param structs, etc.
MetaSimObject.cpp_classes.append(cls)
def _cpp_decl(cls):
name = cls.__name__
code = ""
code += "\n".join([e.cpp_declare() for e in cls._enums.values()])
code += "\n"
param_names = cls._params.keys()
param_names.sort()
code = "BEGIN_DECLARE_SIM_OBJECT_PARAMS(%s)\n" % name
decls = [" " + cls._params[pname].sim_decl(pname) \
for pname in param_names]
code += "\n".join(decls) + "\n"
code += "END_DECLARE_SIM_OBJECT_PARAMS(%s)\n\n" % name
code += "struct Params"
if cls._cpp_base:
code += " : public %s::Params" % cls._cpp_base
code += " {\n "
code += "\n ".join([cls._params[pname].cpp_decl(pname) \
for pname in param_names])
code += "\n};\n"
return code
_sim_code = classmethod(_sim_code)
class NodeParam(object):
def __init__(self, name, param, value):
@ -823,10 +832,13 @@ class Value(object):
# Regular parameter.
class _Param(object):
def __init__(self, ptype_string, *args, **kwargs):
self.ptype_string = ptype_string
# can't eval ptype_string here to get ptype, since the type might
# not have been defined yet. Do it lazily in __getattr__.
def __init__(self, ptype, *args, **kwargs):
if isinstance(ptype, types.StringType):
self.ptype_string = ptype
elif isinstance(ptype, type):
self.ptype = ptype
else:
raise TypeError, "Param type is not a type (%s)" % ptype
if args:
if len(args) == 1:
@ -877,8 +889,8 @@ class _Param(object):
def set(self, name, instance, value):
instance.__dict__[name] = value
def sim_decl(self, name):
return '%s %s;' % (self.ptype._cppname, name)
def cpp_decl(self, name):
return '%s %s;' % (self.ptype._cpp_param_decl, name)
class _ParamProxy(object):
def __init__(self, type):
@ -886,7 +898,18 @@ class _ParamProxy(object):
# E.g., Param.Int(5, "number of widgets")
def __call__(self, *args, **kwargs):
return _Param(self.ptype, *args, **kwargs)
# Param type could be defined only in context of caller (e.g.,
# for locally defined Enum subclass). Need to go look up the
# type in that enclosing scope.
caller_frame = inspect.stack()[1][0]
ptype = caller_frame.f_locals.get(self.ptype, None)
if not ptype: ptype = caller_frame.f_globals.get(self.ptype, None)
if not ptype: ptype = globals().get(self.ptype, None)
# ptype could still be None due to circular references... we'll
# try one more time to evaluate lazily when ptype is first needed.
# In the meantime we'll save the type name as a string.
if not ptype: ptype = self.ptype
return _Param(ptype, *args, **kwargs)
def __getattr__(self, attr):
if attr == '__bases__':
@ -940,8 +963,8 @@ class _VectorParam(_Param):
else:
return self.ptype._string(value)
def sim_decl(self, name):
return 'std::vector<%s> %s;' % (self.ptype._cppname, name)
def cpp_decl(self, name):
return 'std::vector<%s> %s;' % (self.ptype._cpp_param_decl, name)
class _VectorParamProxy(_ParamProxy):
# E.g., VectorParam.Int(5, "number of widgets")
@ -991,7 +1014,7 @@ class CheckedInt(type):
def __new__(cls, cppname, min, max):
# New class derives from _CheckedInt base with proper bounding
# parameters
dict = { '_cppname' : cppname, '_min' : min, '_max' : max }
dict = { '_cpp_param_decl' : cppname, '_min' : min, '_max' : max }
return type.__new__(cls, cppname, (_CheckedInt, ), dict)
class CheckedIntType(CheckedInt):
@ -1047,7 +1070,8 @@ def RangeSize(start, size):
class Range(type):
def __new__(cls, type):
dict = { '_cppname' : 'Range<%s>' % type._cppname, '_type' : type }
dict = { '_cpp_param_decl' : 'Range<%s>' % type._cpp_param_decl,
'_type' : type }
clsname = 'Range_' + type.__name__
return super(cls, Range).__new__(cls, clsname, (_Range, ), dict)
@ -1055,7 +1079,7 @@ AddrRange = Range(Addr)
# Boolean parameter type.
class Bool(object):
_cppname = 'bool'
_cpp_param_decl = 'bool'
def _convert(value):
t = type(value)
if t == bool:
@ -1083,7 +1107,7 @@ class Bool(object):
# String-valued parameter.
class String(object):
_cppname = 'string'
_cpp_param_decl = 'string'
# Constructor. Value must be Python string.
def _convert(cls,value):
@ -1123,7 +1147,7 @@ class NextEthernetAddr(object):
self.addr = IncEthernetAddr(self.addr, inc)
class EthernetAddr(object):
_cppname = 'EthAddr'
_cpp_param_decl = 'EthAddr'
def _convert(cls, value):
if value == NextEthernetAddr:
@ -1155,15 +1179,10 @@ class EthernetAddr(object):
# only one copy of a particular node
class NullSimObject(object):
__metaclass__ = Singleton
_cppname = 'NULL'
def __call__(cls):
return cls
def _sim_code(cls):
pass
_sim_code = classmethod(_sim_code)
def _instantiate(self, parent = None, path = ''):
pass
@ -1200,12 +1219,48 @@ Null = NULL = NullSimObject()
# derive the new type from the appropriate base class on the fly.
# Base class for Enum types.
class _Enum(object):
# Metaclass for Enum types
class MetaEnum(type):
def __init__(cls, name, bases, init_dict):
if init_dict.has_key('map'):
if not isinstance(cls.map, dict):
raise TypeError, "Enum-derived class attribute 'map' " \
"must be of type dict"
# build list of value strings from map
cls.vals = cls.map.keys()
cls.vals.sort()
elif init_dict.has_key('vals'):
if not isinstance(cls.vals, list):
raise TypeError, "Enum-derived class attribute 'vals' " \
"must be of type list"
# build string->value map from vals sequence
cls.map = {}
for idx,val in enumerate(cls.vals):
cls.map[val] = idx
else:
raise TypeError, "Enum-derived class must define "\
"attribute 'map' or 'vals'"
cls._cpp_param_decl = name
super(MetaEnum, cls).__init__(name, bases, init_dict)
def cpp_declare(cls):
s = 'enum %s {\n ' % cls.__name__
s += ',\n '.join(['%s = %d' % (v,cls.map[v]) for v in cls.vals])
s += '\n};\n'
return s
# Base class for enum types.
class Enum(object):
__metaclass__ = MetaEnum
vals = []
def _convert(self, value):
if value not in self.map:
raise TypeError, "Enum param got bad value '%s' (not in %s)" \
% (value, self.map)
% (value, self.vals)
return value
_convert = classmethod(_convert)
@ -1213,36 +1268,6 @@ class _Enum(object):
def _string(self, value):
return str(value)
_string = classmethod(_string)
# Enum metaclass... calling Enum(foo) generates a new type (class)
# that derives from _ListEnum or _DictEnum as appropriate.
class Enum(type):
# counter to generate unique names for generated classes
counter = 1
def __new__(cls, *args):
if len(args) > 1:
enum_map = args
else:
enum_map = args[0]
if isinstance(enum_map, dict):
map = enum_map
elif issequence(enum_map):
map = {}
for idx,val in enumerate(enum_map):
map[val] = idx
else:
raise TypeError, "Enum map must be list or dict (got %s)" % map
classname = "Enum%04d" % Enum.counter
Enum.counter += 1
# New class derives from _Enum base, and gets a 'map'
# attribute containing the specified list or dict.
return type.__new__(cls, classname, (_Enum, ), { 'map': map })
#
# "Constants"... handy aliases for various values.
#
@ -1277,5 +1302,18 @@ def instantiate(root):
dot.write("config.dot")
dot.write_ps("config.ps")
# SimObject is a minimal extension of ConfigNode, implementing a
# hierarchy node that corresponds to an M5 SimObject. It prints out a
# "type=" line to indicate its SimObject class, prints out the
# assigned parameters corresponding to its class, and allows
# parameters to be set by keyword in the constructor. Note that most
# of the heavy lifting for the SimObject param handling is done in the
# MetaConfigNode metaclass.
class SimObject(ConfigNode):
__metaclass__ = MetaSimObject
type = 'SimObject'
from objects import *
cpp_classes = MetaSimObject.cpp_classes
cpp_classes.sort()