#
# Authors: Nathan Binkert
+import array
+import bisect
import imp
+import marshal
import os
+import re
import sys
+import zlib
-from os.path import basename
-from os.path import join as joinpath
-from os.path import exists
-from os.path import isdir
-from os.path import isfile
+from os.path import basename, dirname, exists, isdir, isfile, join as joinpath
import SCons
# Children need to see the environment
Export('env')
-def sort_list(_list):
- """return a sorted copy of '_list'"""
- if isinstance(_list, list):
- _list = _list[:]
- else:
- _list = list(_list)
- _list.sort()
- return _list
-
-class PySourceFile(object):
- def __init__(self, package, source):
- filename = str(source)
- pyname = basename(filename)
- assert pyname.endswith('.py')
- name = pyname[:-3]
- path = package.split('.')
- modpath = path
- if name != '__init__':
- modpath += [name]
- modpath = '.'.join(modpath)
-
- arcpath = package.split('.') + [ pyname + 'c' ]
- arcname = joinpath(*arcpath)
+build_env = [(opt, env[opt]) for opt in export_vars]
- self.source = source
- self.pyname = pyname
- self.srcpath = source.srcnode().abspath
- self.package = package
- self.modpath = modpath
- self.arcname = arcname
- self.filename = filename
- self.compiled = File(filename + 'c')
+from m5.util import code_formatter
########################################################################
# Code for adding source files of various types
#
-cc_sources = []
-def Source(source):
- '''Add a C/C++ source file to the build'''
- if not isinstance(source, SCons.Node.FS.File):
- source = File(source)
+class SourceMeta(type):
+ def __init__(cls, name, bases, dict):
+ super(SourceMeta, cls).__init__(name, bases, dict)
+ cls.all = []
+
+ def get(cls, **kwargs):
+ for src in cls.all:
+ for attr,value in kwargs.iteritems():
+ if getattr(src, attr) != value:
+ break
+ else:
+ yield src
+
+class SourceFile(object):
+ __metaclass__ = SourceMeta
+ def __init__(self, source):
+ tnode = source
+ if not isinstance(source, SCons.Node.FS.File):
+ tnode = File(source)
+
+ self.tnode = tnode
+ self.snode = tnode.srcnode()
+ self.filename = str(tnode)
+ self.dirname = dirname(self.filename)
+ self.basename = basename(self.filename)
+ index = self.basename.rfind('.')
+ if index <= 0:
+ # dot files aren't extensions
+ self.extname = self.basename, None
+ else:
+ self.extname = self.basename[:index], self.basename[index+1:]
+
+ for base in type(self).__mro__:
+ if issubclass(base, SourceFile):
+ base.all.append(self)
+
+ def __lt__(self, other): return self.filename < other.filename
+ def __le__(self, other): return self.filename <= other.filename
+ def __gt__(self, other): return self.filename > other.filename
+ def __ge__(self, other): return self.filename >= other.filename
+ def __eq__(self, other): return self.filename == other.filename
+ def __ne__(self, other): return self.filename != other.filename
+
+class Source(SourceFile):
+ '''Add a c/c++ source file to the build'''
+ def __init__(self, source, Werror=True, swig=False, bin_only=False,
+ skip_lib=False):
+ super(Source, self).__init__(source)
- cc_sources.append(source)
+ self.Werror = Werror
+ self.swig = swig
+ self.bin_only = bin_only
+ self.skip_lib = bin_only or skip_lib
-py_sources = []
-def PySource(package, source):
+class PySource(SourceFile):
'''Add a python source file to the named package'''
- if not isinstance(source, SCons.Node.FS.File):
- source = File(source)
+ invalid_sym_char = re.compile('[^A-z0-9_]')
+ modules = {}
+ tnodes = {}
+ symnames = {}
+
+ def __init__(self, package, source):
+ super(PySource, self).__init__(source)
+
+ modname,ext = self.extname
+ assert ext == 'py'
+
+ if package:
+ path = package.split('.')
+ else:
+ path = []
+
+ modpath = path[:]
+ if modname != '__init__':
+ modpath += [ modname ]
+ modpath = '.'.join(modpath)
- source = PySourceFile(package, source)
- py_sources.append(source)
+ arcpath = path + [ self.basename ]
+ abspath = self.snode.abspath
+ if not exists(abspath):
+ abspath = self.tnode.abspath
-sim_objects_fixed = False
-sim_object_modfiles = set()
-def SimObject(source):
+ self.package = package
+ self.modname = modname
+ self.modpath = modpath
+ self.arcname = joinpath(*arcpath)
+ self.abspath = abspath
+ self.compiled = File(self.filename + 'c')
+ self.cpp = File(self.filename + '.cc')
+ self.symname = PySource.invalid_sym_char.sub('_', modpath)
+
+ PySource.modules[modpath] = self
+ PySource.tnodes[self.tnode] = self
+ PySource.symnames[self.symname] = self
+
+class SimObject(PySource):
'''Add a SimObject python file as a python source object and add
it to a list of sim object modules'''
- if sim_objects_fixed:
- raise AttributeError, "Too late to call SimObject now."
+ fixed = False
+ modnames = []
- if not isinstance(source, SCons.Node.FS.File):
- source = File(source)
+ def __init__(self, source):
+ super(SimObject, self).__init__('m5.objects', source)
+ if self.fixed:
+ raise AttributeError, "Too late to call SimObject now."
- PySource('m5.objects', source)
- modfile = basename(str(source))
- assert modfile.endswith('.py')
- modname = modfile[:-3]
- sim_object_modfiles.add(modname)
+ bisect.insort_right(SimObject.modnames, self.modname)
-swig_sources = []
-def SwigSource(package, source):
+class SwigSource(SourceFile):
'''Add a swig file to build'''
- if not isinstance(source, SCons.Node.FS.File):
- source = File(source)
- val = source,package
- swig_sources.append(val)
+
+ def __init__(self, package, source):
+ super(SwigSource, self).__init__(source)
+
+ modname,ext = self.extname
+ assert ext == 'i'
+
+ self.module = modname
+ cc_file = joinpath(self.dirname, modname + '_wrap.cc')
+ py_file = joinpath(self.dirname, modname + '.py')
+
+ self.cc_source = Source(cc_file, swig=True)
+ self.py_source = PySource(package, py_file)
+
+unit_tests = []
+def UnitTest(target, sources):
+ if not isinstance(sources, (list, tuple)):
+ sources = [ sources ]
+
+ sources = [ Source(src, skip_lib=True) for src in sources ]
+ unit_tests.append((target, sources))
# Children should have access
Export('Source')
Export('PySource')
Export('SimObject')
Export('SwigSource')
+Export('UnitTest')
+
+########################################################################
+#
+# Trace Flags
+#
+trace_flags = {}
+def TraceFlag(name, desc=None):
+ if name in trace_flags:
+ raise AttributeError, "Flag %s already specified" % name
+ trace_flags[name] = (name, (), desc)
+
+def CompoundFlag(name, flags, desc=None):
+ if name in trace_flags:
+ raise AttributeError, "Flag %s already specified" % name
+
+ compound = tuple(flags)
+ trace_flags[name] = (name, compound, desc)
+
+Export('TraceFlag')
+Export('CompoundFlag')
########################################################################
#
# files.
env.Append(CPPPATH=Dir('.'))
-# Add a flag defining what THE_ISA should be for all compilation
-env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())])
+for extra_dir in extras_dir_list:
+ env.Append(CPPPATH=Dir(extra_dir))
+
+# Workaround for bug in SCons version > 0.97d20071212
+# Scons bug id: 2006 M5 Bug id: 308
+for root, dirs, files in os.walk(base_dir, topdown=True):
+ Dir(root[len(base_dir) + 1:])
########################################################################
#
-# Walk the tree and execute all SConscripts
+# Walk the tree and execute all SConscripts in subdirectories
#
-scripts = []
-srcdir = env['SRCDIR']
-for root, dirs, files in os.walk(srcdir, topdown=True):
- if root == srcdir:
+
+here = Dir('.').srcnode().abspath
+for root, dirs, files in os.walk(base_dir, topdown=True):
+ if root == here:
# we don't want to recurse back into this SConscript
continue
if 'SConscript' in files:
- # strip off the srcdir part since scons will try to find the
- # script in the build directory
- base = root[len(srcdir) + 1:]
- SConscript(joinpath(base, 'SConscript'))
+ build_dir = joinpath(env['BUILDDIR'], root[len(base_dir) + 1:])
+ SConscript(joinpath(root, 'SConscript'), variant_dir=build_dir)
-for opt in env.ExportOptions:
+for extra_dir in extras_dir_list:
+ prefix_len = len(dirname(extra_dir)) + 1
+ for root, dirs, files in os.walk(extra_dir, topdown=True):
+ if 'SConscript' in files:
+ build_dir = joinpath(env['BUILDDIR'], root[prefix_len:])
+ SConscript(joinpath(root, 'SConscript'), variant_dir=build_dir)
+
+for opt in export_vars:
env.ConfigFile(opt)
+def makeTheISA(source, target, env):
+ isas = [ src.get_contents() for src in source ]
+ target_isa = env['TARGET_ISA']
+ def define(isa):
+ return isa.upper() + '_ISA'
+
+ def namespace(isa):
+ return isa[0].upper() + isa[1:].lower() + 'ISA'
+
+
+ code = code_formatter()
+ code('''\
+#ifndef __CONFIG_THE_ISA_HH__
+#define __CONFIG_THE_ISA_HH__
+
+''')
+
+ for i,isa in enumerate(isas):
+ code('#define $0 $1', define(isa), i + 1)
+
+ code('''
+
+#define THE_ISA ${{define(target_isa)}}
+#define TheISA ${{namespace(target_isa)}}
+
+#endif // __CONFIG_THE_ISA_HH__''')
+
+ code.write(str(target[0]))
+
+env.Command('config/the_isa.hh', map(Value, all_isa_list), makeTheISA)
+
########################################################################
#
# Prevent any SimObjects from being added after this point, they
# should all have been added in the SConscripts above
#
-sim_objects_fixed = True
+SimObject.fixed = True
-########################################################################
-#
-# Manually turn python/generate.py into a python module and import it
-#
-generate_file = File('python/generate.py')
-generate_module = imp.new_module('generate')
-sys.modules['generate'] = generate_module
-exec file(generate_file.srcnode().abspath, 'r') in generate_module.__dict__
+class DictImporter(object):
+ '''This importer takes a dictionary of arbitrary module names that
+ map to arbitrary filenames.'''
+ def __init__(self, modules):
+ self.modules = modules
+ self.installed = set()
-########################################################################
-#
-# build a generate
-#
-from generate import Generate
-optionDict = dict([(opt, env[opt]) for opt in env.ExportOptions])
-generate = Generate(py_sources, sim_object_modfiles, optionDict)
-m5 = generate.m5
+ def __del__(self):
+ self.unload()
+
+ def unload(self):
+ import sys
+ for module in self.installed:
+ del sys.modules[module]
+ self.installed = set()
+
+ def find_module(self, fullname, path):
+ if fullname == 'm5.defines':
+ return self
+
+ if fullname == 'm5.objects':
+ return self
+
+ if fullname.startswith('m5.internal'):
+ return None
+
+ source = self.modules.get(fullname, None)
+ if source is not None and fullname.startswith('m5.objects'):
+ return self
+
+ return None
+
+ def load_module(self, fullname):
+ mod = imp.new_module(fullname)
+ sys.modules[fullname] = mod
+ self.installed.add(fullname)
+
+ mod.__loader__ = self
+ if fullname == 'm5.objects':
+ mod.__path__ = fullname.split('.')
+ return mod
+
+ if fullname == 'm5.defines':
+ mod.__dict__['buildEnv'] = m5.util.SmartDict(build_env)
+ return mod
+
+ source = self.modules[fullname]
+ if source.modname == '__init__':
+ mod.__path__ = source.modpath
+ mod.__file__ = source.abspath
+
+ exec file(source.abspath, 'r') in mod.__dict__
+
+ return mod
+
+import m5.SimObject
+import m5.params
+from m5.util import code_formatter
+
+m5.SimObject.clear()
+m5.params.clear()
+
+# install the python importer so we can grab stuff from the source
+# tree itself. We can't have SimObjects added after this point or
+# else we won't know about them for the rest of the stuff.
+importer = DictImporter(PySource.modules)
+sys.meta_path[0:0] = [ importer ]
+
+# import all sim objects so we can populate the all_objects list
+# make sure that we're working with a list, then let's sort it
+for modname in SimObject.modnames:
+ exec('from m5.objects import %s' % modname)
+
+# we need to unload all of the currently imported modules so that they
+# will be re-imported the next time the sconscript is run
+importer.unload()
+sys.meta_path.remove(importer)
+
+sim_objects = m5.SimObject.allClasses
+all_enums = m5.params.allEnums
+
+all_params = {}
+for name,obj in sorted(sim_objects.iteritems()):
+ for param in obj._params.local.values():
+ # load the ptype attribute now because it depends on the
+ # current version of SimObject.allClasses, but when scons
+ # actually uses the value, all versions of
+ # SimObject.allClasses will have been loaded
+ param.ptype
+
+ if not hasattr(param, 'swig_decl'):
+ continue
+ pname = param.ptype_str
+ if pname not in all_params:
+ all_params[pname] = param
########################################################################
#
# calculate extra dependencies
#
module_depends = ["m5", "m5.SimObject", "m5.params"]
-module_depends = [ File(generate.py_modules[dep]) for dep in module_depends ]
-file_depends = [ generate_file ]
-depends = module_depends + file_depends
+depends = [ PySource.modules[dep].snode for dep in module_depends ]
########################################################################
#
# Commands for the basic automatically generated python files
#
+# Generate Python file containing a dict specifying the current
+# buildEnv flags.
+def makeDefinesPyFile(target, source, env):
+ build_env, hg_info = [ x.get_contents() for x in source ]
+
+ code = code_formatter()
+ code("""
+import m5.internal
+import m5.util
+
+buildEnv = m5.util.SmartDict($build_env)
+hgRev = '$hg_info'
+
+compileDate = m5.internal.core.compileDate
+_globals = globals()
+for key,val in m5.internal.core.__dict__.iteritems():
+ if key.startswith('flag_'):
+ flag = key[5:]
+ _globals[flag] = val
+del _globals
+""")
+ code.write(target[0].abspath)
+
+defines_info = [ Value(build_env), Value(env['HG_INFO']) ]
# Generate a file with all of the compile options in it
-env.Command('python/m5/defines.py', Value(optionDict),
- generate.makeDefinesPyFile)
+env.Command('python/m5/defines.py', defines_info, makeDefinesPyFile)
PySource('m5', 'python/m5/defines.py')
+# Generate python file containing info about the M5 source code
+def makeInfoPyFile(target, source, env):
+ code = code_formatter()
+ for src in source:
+ data = ''.join(file(src.srcnode().abspath, 'r').xreadlines())
+ code('$src = ${{repr(data)}}')
+ code.write(str(target[0]))
+
# Generate a file that wraps the basic top level files
env.Command('python/m5/info.py',
[ '#/AUTHORS', '#/LICENSE', '#/README', '#/RELEASE_NOTES' ],
- generate.makeInfoPyFile)
+ makeInfoPyFile)
PySource('m5', 'python/m5/info.py')
-# Generate an __init__.py file for the objects package
-env.Command('python/m5/objects/__init__.py',
- [ Value(o) for o in sort_list(sim_object_modfiles) ],
- generate.makeObjectsInitFile)
-PySource('m5.objects', 'python/m5/objects/__init__.py')
-
########################################################################
#
# Create all of the SimObject param headers and enum headers
#
+def createSimObjectParam(target, source, env):
+ assert len(target) == 1 and len(source) == 1
+
+ name = str(source[0].get_contents())
+ obj = sim_objects[name]
+
+ code = code_formatter()
+ obj.cxx_decl(code)
+ code.write(target[0].abspath)
+
+def createSwigParam(target, source, env):
+ assert len(target) == 1 and len(source) == 1
+
+ name = str(source[0].get_contents())
+ param = all_params[name]
+
+ code = code_formatter()
+ code('%module(package="m5.internal") $0_${name}', param.file_ext)
+ param.swig_decl(code)
+ code.write(target[0].abspath)
+
+def createEnumStrings(target, source, env):
+ assert len(target) == 1 and len(source) == 1
+
+ name = str(source[0].get_contents())
+ obj = all_enums[name]
+
+ code = code_formatter()
+ obj.cxx_def(code)
+ code.write(target[0].abspath)
+
+def createEnumParam(target, source, env):
+ assert len(target) == 1 and len(source) == 1
+
+ name = str(source[0].get_contents())
+ obj = all_enums[name]
+
+ code = code_formatter()
+ obj.cxx_decl(code)
+ code.write(target[0].abspath)
+
+def createEnumSwig(target, source, env):
+ assert len(target) == 1 and len(source) == 1
+
+ name = str(source[0].get_contents())
+ obj = all_enums[name]
+
+ code = code_formatter()
+ code('''\
+%module(package="m5.internal") enum_$name
+
+%{
+#include "enums/$name.hh"
+%}
+
+%include "enums/$name.hh"
+''')
+ code.write(target[0].abspath)
+
# Generate all of the SimObject param struct header files
params_hh_files = []
-for name,simobj in generate.sim_objects.iteritems():
- extra_deps = [ File(generate.py_modules[simobj.__module__]) ]
+for name,simobj in sorted(sim_objects.iteritems()):
+ py_source = PySource.modules[simobj.__module__]
+ extra_deps = [ py_source.tnode ]
hh_file = File('params/%s.hh' % name)
params_hh_files.append(hh_file)
- env.Command(hh_file, Value(name), generate.createSimObjectParam)
+ env.Command(hh_file, Value(name), createSimObjectParam)
env.Depends(hh_file, depends + extra_deps)
# Generate any parameter header files needed
-for name,param in generate.params.iteritems():
- if isinstance(param, m5.params.VectorParamDesc):
- ext = 'vptype'
- else:
- ext = 'ptype'
-
- i_file = File('params/%s_%s.i' % (name, ext))
- env.Command(i_file, Value(name), generate.createSwigParam)
+params_i_files = []
+for name,param in all_params.iteritems():
+ i_file = File('python/m5/internal/%s_%s.i' % (param.file_ext, name))
+ params_i_files.append(i_file)
+ env.Command(i_file, Value(name), createSwigParam)
env.Depends(i_file, depends)
+ SwigSource('m5.internal', i_file)
# Generate all enum header files
-for name,enum in generate.enums.iteritems():
- extra_deps = [ File(generate.py_modules[enum.__module__]) ]
+for name,enum in sorted(all_enums.iteritems()):
+ py_source = PySource.modules[enum.__module__]
+ extra_deps = [ py_source.tnode ]
cc_file = File('enums/%s.cc' % name)
- env.Command(cc_file, Value(name), generate.createEnumStrings)
+ env.Command(cc_file, Value(name), createEnumStrings)
env.Depends(cc_file, depends + extra_deps)
Source(cc_file)
hh_file = File('enums/%s.hh' % name)
- env.Command(hh_file, Value(name), generate.createEnumParam)
+ env.Command(hh_file, Value(name), createEnumParam)
env.Depends(hh_file, depends + extra_deps)
-# Build the big monolithic swigged params module (wraps all SimObject
-# param structs and enum structs)
-params_file = File('params/params.i')
-names = sort_list(generate.sim_objects.keys())
-env.Command(params_file, [ Value(v) for v in names ],
- generate.buildParams)
-env.Depends(params_file, params_hh_files + depends)
-SwigSource('m5.objects', params_file)
+ i_file = File('python/m5/internal/enum_%s.i' % name)
+ env.Command(i_file, Value(name), createEnumSwig)
+ env.Depends(i_file, depends + extra_deps)
+ SwigSource('m5.internal', i_file)
-# Build all swig modules
-swig_modules = []
-for source,package in swig_sources:
- filename = str(source)
- assert filename.endswith('.i')
+def buildParam(target, source, env):
+ name = source[0].get_contents()
+ obj = sim_objects[name]
+ class_path = obj.cxx_class.split('::')
+ classname = class_path[-1]
+ namespaces = class_path[:-1]
+ params = obj._params.local.values()
+
+ code = code_formatter()
+
+ code('%module(package="m5.internal") param_$name')
+ code()
+ code('%{')
+ code('#include "params/$obj.hh"')
+ for param in params:
+ param.cxx_predecls(code)
+ code('%}')
+ code()
- base = '.'.join(filename.split('.')[:-1])
- module = basename(base)
- cc_file = base + '_wrap.cc'
- py_file = base + '.py'
+ for param in params:
+ param.swig_predecls(code)
- env.Command([cc_file, py_file], source,
+ code()
+ if obj._base:
+ code('%import "python/m5/internal/param_${{obj._base}}.i"')
+ code()
+ obj.swig_objdecls(code)
+ code()
+
+ code('%include "params/$obj.hh"')
+
+ code.write(target[0].abspath)
+
+for name in sim_objects.iterkeys():
+ params_file = File('python/m5/internal/param_%s.i' % name)
+ env.Command(params_file, Value(name), buildParam)
+ env.Depends(params_file, depends)
+ SwigSource('m5.internal', params_file)
+
+# Generate the main swig init file
+def makeEmbeddedSwigInit(target, source, env):
+ code = code_formatter()
+ module = source[0].get_contents()
+ code('''\
+#include "sim/init.hh"
+
+extern "C" {
+ void init_${module}();
+}
+
+EmbeddedSwig embed_swig_${module}(init_${module});
+''')
+ code.write(str(target[0]))
+
+# Build all swig modules
+for swig in SwigSource.all:
+ env.Command([swig.cc_source.tnode, swig.py_source.tnode], swig.tnode,
'$SWIG $SWIGFLAGS -outdir ${TARGETS[1].dir} '
'-o ${TARGETS[0]} $SOURCES')
- env.Depends(py_file, source)
- env.Depends(cc_file, source)
+ init_file = 'python/swig/init_%s.cc' % swig.module
+ env.Command(init_file, Value(swig.module), makeEmbeddedSwigInit)
+ Source(init_file)
+ env.Depends(swig.py_source.tnode, swig.tnode)
+ env.Depends(swig.cc_source.tnode, swig.tnode)
- swig_modules.append(Value(module))
- Source(cc_file)
- PySource(package, py_file)
+def getFlags(source_flags):
+ flagsMap = {}
+ flagsList = []
+ for s in source_flags:
+ val = eval(s.get_contents())
+ name, compound, desc = val
+ flagsList.append(val)
+ flagsMap[name] = bool(compound)
+
+ for name, compound, desc in flagsList:
+ for flag in compound:
+ if flag not in flagsMap:
+ raise AttributeError, "Trace flag %s not found" % flag
+ if flagsMap[flag]:
+ raise AttributeError, \
+ "Compound flag can't point to another compound flag"
-# Generate the main swig init file
-env.Command('swig/init.cc', swig_modules, generate.makeSwigInit)
-Source('swig/init.cc')
+ flagsList.sort()
+ return flagsList
+
+
+# Generate traceflags.py
+def traceFlagsPy(target, source, env):
+ assert(len(target) == 1)
+ code = code_formatter()
+
+ allFlags = getFlags(source)
+
+ code('basic = [')
+ code.indent()
+ for flag, compound, desc in allFlags:
+ if not compound:
+ code("'$flag',")
+ code(']')
+ code.dedent()
+ code()
+
+ code('compound = [')
+ code.indent()
+ code("'All',")
+ for flag, compound, desc in allFlags:
+ if compound:
+ code("'$flag',")
+ code("]")
+ code.dedent()
+ code()
+
+ code("all = frozenset(basic + compound)")
+ code()
+
+ code('compoundMap = {')
+ code.indent()
+ all = tuple([flag for flag,compound,desc in allFlags if not compound])
+ code("'All' : $all,")
+ for flag, compound, desc in allFlags:
+ if compound:
+ code("'$flag' : $compound,")
+ code('}')
+ code.dedent()
+ code()
+
+ code('descriptions = {')
+ code.indent()
+ code("'All' : 'All flags',")
+ for flag, compound, desc in allFlags:
+ code("'$flag' : '$desc',")
+ code("}")
+ code.dedent()
+
+ code.write(str(target[0]))
+
+def traceFlagsCC(target, source, env):
+ assert(len(target) == 1)
+
+ allFlags = getFlags(source)
+ code = code_formatter()
+
+ # file header
+ code('''
+/*
+ * DO NOT EDIT THIS FILE! Automatically generated
+ */
+
+#include "base/traceflags.hh"
+
+using namespace Trace;
+
+const char *Trace::flagStrings[] =
+{''')
+
+ code.indent()
+ # The string array is used by SimpleEnumParam to map the strings
+ # provided by the user to enum values.
+ for flag, compound, desc in allFlags:
+ if not compound:
+ code('"$flag",')
+
+ code('"All",')
+ for flag, compound, desc in allFlags:
+ if compound:
+ code('"$flag",')
+ code.dedent()
+
+ code('''\
+};
+
+const int Trace::numFlagStrings = ${{len(allFlags) + 1}};
+
+''')
+
+ # Now define the individual compound flag arrays. There is an array
+ # for each compound flag listing the component base flags.
+ all = tuple([flag for flag,compound,desc in allFlags if not compound])
+ code('static const Flags AllMap[] = {')
+ code.indent()
+ for flag, compound, desc in allFlags:
+ if not compound:
+ code('$flag,')
+ code.dedent()
+ code('};')
+ code()
+
+ for flag, compound, desc in allFlags:
+ if not compound:
+ continue
+ code('static const Flags ${flag}Map[] = {')
+ code.indent()
+ for flag in compound:
+ code('$flag,')
+ code('(Flags)-1')
+ code.dedent()
+ code('};')
+ code()
+
+ # Finally the compoundFlags[] array maps the compound flags
+ # to their individual arrays/
+ code('const Flags *Trace::compoundFlags[] = {')
+ code.indent()
+ code('AllMap,')
+ for flag, compound, desc in allFlags:
+ if compound:
+ code('${flag}Map,')
+ # file trailer
+ code.dedent()
+ code('};')
-# Build the zip file
-py_compiled = []
-py_zip_depends = []
-for source in py_sources:
- env.Command(source.compiled, source.source, generate.compilePyFile)
- py_compiled.append(source.compiled)
+ code.write(str(target[0]))
- # make the zipfile depend on the archive name so that the archive
- # is rebuilt if the name changes
- py_zip_depends.append(Value(source.arcname))
+def traceFlagsHH(target, source, env):
+ assert(len(target) == 1)
-# Add the zip file target to the environment.
-m5zip = File('m5py.zip')
-env.Command(m5zip, py_compiled, generate.buildPyZip)
-env.Depends(m5zip, py_zip_depends)
+ allFlags = getFlags(source)
+ code = code_formatter()
+
+ # file header boilerplate
+ code('''\
+/*
+ * DO NOT EDIT THIS FILE!
+ *
+ * Automatically generated from traceflags.py
+ */
+
+#ifndef __BASE_TRACE_FLAGS_HH__
+#define __BASE_TRACE_FLAGS_HH__
+
+namespace Trace {
+
+enum Flags {''')
+
+ # Generate the enum. Base flags come first, then compound flags.
+ idx = 0
+ code.indent()
+ for flag, compound, desc in allFlags:
+ if not compound:
+ code('$flag = $idx,')
+ idx += 1
+
+ numBaseFlags = idx
+ code('NumFlags = $idx,')
+ code.dedent()
+ code()
+
+ # put a comment in here to separate base from compound flags
+ code('''
+// The remaining enum values are *not* valid indices for Trace::flags.
+// They are "compound" flags, which correspond to sets of base
+// flags, and are used by changeFlag.''')
+
+ code.indent()
+ code('All = $idx,')
+ idx += 1
+ for flag, compound, desc in allFlags:
+ if compound:
+ code('$flag = $idx,')
+ idx += 1
+
+ numCompoundFlags = idx - numBaseFlags
+ code('NumCompoundFlags = $numCompoundFlags')
+ code.dedent()
+
+ # trailer boilerplate
+ code('''\
+}; // enum Flags
+
+// Array of strings for SimpleEnumParam
+extern const char *flagStrings[];
+extern const int numFlagStrings;
+
+// Array of arraay pointers: for each compound flag, gives the list of
+// base flags to set. Inidividual flag arrays are terminated by -1.
+extern const Flags *compoundFlags[];
+
+/* namespace Trace */ }
+
+#endif // __BASE_TRACE_FLAGS_HH__
+''')
+
+ code.write(str(target[0]))
+
+flags = map(Value, trace_flags.values())
+env.Command('base/traceflags.py', flags, traceFlagsPy)
+PySource('m5', 'base/traceflags.py')
+
+env.Command('base/traceflags.hh', flags, traceFlagsHH)
+env.Command('base/traceflags.cc', flags, traceFlagsCC)
+Source('base/traceflags.cc')
+
+# Embed python files. All .py files that have been indicated by a
+# PySource() call in a SConscript need to be embedded into the M5
+# library. To do that, we compile the file to byte code, marshal the
+# byte code, compress it, and then generate a c++ file that
+# inserts the result into an array.
+def embedPyFile(target, source, env):
+ def c_str(string):
+ if string is None:
+ return "0"
+ return '"%s"' % string
+
+ '''Action function to compile a .py into a code object, marshal
+ it, compress it, and stick it into an asm file so the code appears
+ as just bytes with a label in the data section'''
+
+ src = file(str(source[0]), 'r').read()
+
+ pysource = PySource.tnodes[source[0]]
+ compiled = compile(src, pysource.abspath, 'exec')
+ marshalled = marshal.dumps(compiled)
+ compressed = zlib.compress(marshalled)
+ data = compressed
+ sym = pysource.symname
+
+ code = code_formatter()
+ code('''\
+#include "sim/init.hh"
+
+namespace {
+
+const char data_${sym}[] = {
+''')
+ code.indent()
+ step = 16
+ for i in xrange(0, len(data), step):
+ x = array.array('B', data[i:i+step])
+ code(''.join('%d,' % d for d in x))
+ code.dedent()
+
+ code('''};
+
+EmbeddedPython embedded_${sym}(
+ ${{c_str(pysource.arcname)}},
+ ${{c_str(pysource.abspath)}},
+ ${{c_str(pysource.modpath)}},
+ data_${sym},
+ ${{len(data)}},
+ ${{len(marshalled)}});
+
+/* namespace */ }
+''')
+ code.write(str(target[0]))
+
+for source in PySource.all:
+ env.Command(source.cpp, source.tnode, embedPyFile)
+ Source(source.cpp)
########################################################################
#
# List of constructed environments to pass back to SConstruct
envList = []
-# This function adds the specified sources to the given build
-# environment, and returns a list of all the corresponding SCons
-# Object nodes (including an extra one for date.cc). We explicitly
-# add the Object nodes so we can set up special dependencies for
-# date.cc.
-def make_objs(sources, env):
- objs = [env.Object(s) for s in sources]
- # make date.cc depend on all other objects so it always gets
- # recompiled whenever anything else does
- date_obj = env.Object('base/date.cc')
- env.Depends(date_obj, objs)
- objs.append(date_obj)
- return objs
+date_source = Source('base/date.cc', skip_lib=True)
# Function to create a new build environment as clone of current
# environment 'env' with modified object suffix and optional stripped
# binary. Additional keyword arguments are appended to corresponding
# build environment vars.
def makeEnv(label, objsfx, strip = False, **kwargs):
- newEnv = env.Copy(OBJSUFFIX=objsfx)
- newEnv.Label = label
- newEnv.Append(**kwargs)
- exe = 'm5.' + label # final executable
- bin = exe + '.bin' # executable w/o appended Python zip archive
- newEnv.Program(bin, make_objs(cc_sources, newEnv))
+ # SCons doesn't know to append a library suffix when there is a '.' in the
+ # name. Use '_' instead.
+ libname = 'm5_' + label
+ exename = 'm5.' + label
+
+ new_env = env.Clone(OBJSUFFIX=objsfx, SHOBJSUFFIX=objsfx + 's')
+ new_env.Label = label
+ new_env.Append(**kwargs)
+
+ swig_env = new_env.Clone()
+ swig_env.Append(CCFLAGS='-Werror')
+ if env['GCC']:
+ swig_env.Append(CCFLAGS='-Wno-uninitialized')
+ swig_env.Append(CCFLAGS='-Wno-sign-compare')
+ swig_env.Append(CCFLAGS='-Wno-parentheses')
+
+ werror_env = new_env.Clone()
+ werror_env.Append(CCFLAGS='-Werror')
+
+ def make_obj(source, static, extra_deps = None):
+ '''This function adds the specified source to the correct
+ build environment, and returns the corresponding SCons Object
+ nodes'''
+
+ if source.swig:
+ env = swig_env
+ elif source.Werror:
+ env = werror_env
+ else:
+ env = new_env
+
+ if static:
+ obj = env.StaticObject(source.tnode)
+ else:
+ obj = env.SharedObject(source.tnode)
+
+ if extra_deps:
+ env.Depends(obj, extra_deps)
+
+ return obj
+
+ static_objs = [ make_obj(s, True) for s in Source.get(skip_lib=False)]
+ shared_objs = [ make_obj(s, False) for s in Source.get(skip_lib=False)]
+
+ static_date = make_obj(date_source, static=True, extra_deps=static_objs)
+ static_objs.append(static_date)
+
+ shared_date = make_obj(date_source, static=False, extra_deps=shared_objs)
+ shared_objs.append(shared_date)
+
+ # First make a library of everything but main() so other programs can
+ # link against m5.
+ static_lib = new_env.StaticLibrary(libname, static_objs)
+ shared_lib = new_env.SharedLibrary(libname, shared_objs)
+
+ for target, sources in unit_tests:
+ objs = [ make_obj(s, static=True) for s in sources ]
+ new_env.Program("unittest/%s.%s" % (target, label), objs + static_objs)
+
+ # Now link a stub with main() and the static library.
+ bin_objs = [make_obj(s, True) for s in Source.get(bin_only=True) ]
+ progname = exename
+ if strip:
+ progname += '.unstripped'
+
+ targets = new_env.Program(progname, bin_objs + static_objs)
+
if strip:
- stripped_bin = bin + '.stripped'
if sys.platform == 'sunos5':
cmd = 'cp $SOURCE $TARGET; strip $TARGET'
else:
cmd = 'strip $SOURCE -o $TARGET'
- newEnv.Command(stripped_bin, bin, cmd)
- bin = stripped_bin
- targets = newEnv.Concat(exe, [bin, 'm5py.zip'])
- newEnv.M5Binary = targets[0]
- envList.append(newEnv)
+ targets = new_env.Command(exename, progname, cmd)
+
+ new_env.M5Binary = targets[0]
+ envList.append(new_env)
# Debug binary
ccflags = {}
projects / gem5.git / blobdiff