#
# Authors: Nathan Binkert
+import array
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')
+build_env = dict([(opt, env[opt]) for opt in env.ExportVariables])
+
def sort_list(_list):
"""return a sorted copy of '_list'"""
if isinstance(_list, list):
return _list
class PySourceFile(object):
- def __init__(self, package, source):
- filename = str(source)
+ invalid_sym_char = re.compile('[^A-z0-9_]')
+ def __init__(self, package, tnode):
+ snode = tnode.srcnode()
+ filename = str(tnode)
pyname = basename(filename)
assert pyname.endswith('.py')
name = pyname[:-3]
- path = package.split('.')
- modpath = path
+ if package:
+ path = package.split('.')
+ else:
+ path = []
+
+ modpath = path[:]
if name != '__init__':
modpath += [name]
modpath = '.'.join(modpath)
- arcpath = package.split('.') + [ pyname + 'c' ]
+ arcpath = path + [ pyname ]
arcname = joinpath(*arcpath)
- self.source = source
+ debugname = snode.abspath
+ if not exists(debugname):
+ debugname = tnode.abspath
+
+ self.tnode = tnode
+ self.snode = snode
self.pyname = pyname
- self.srcpath = source.srcnode().abspath
self.package = package
self.modpath = modpath
self.arcname = arcname
- self.filename = filename
+ self.debugname = debugname
self.compiled = File(filename + 'c')
+ self.assembly = File(filename + '.s')
+ self.symname = "PyEMB_" + self.invalid_sym_char.sub('_', modpath)
+
########################################################################
# Code for adding source files of various types
#
-cc_sources = []
+cc_lib_sources = []
def Source(source):
- '''Add a C/C++ source file to the build'''
+ '''Add a source file to the libm5 build'''
+ if not isinstance(source, SCons.Node.FS.File):
+ source = File(source)
+
+ cc_lib_sources.append(source)
+
+cc_bin_sources = []
+def BinSource(source):
+ '''Add a source file to the m5 binary build'''
if not isinstance(source, SCons.Node.FS.File):
source = File(source)
- cc_sources.append(source)
+ cc_bin_sources.append(source)
py_sources = []
def PySource(package, source):
val = source,package
swig_sources.append(val)
+unit_tests = []
+def UnitTest(target, sources):
+ if not isinstance(sources, (list, tuple)):
+ sources = [ sources ]
+
+ srcs = []
+ for source in sources:
+ if not isinstance(source, SCons.Node.FS.File):
+ source = File(source)
+ srcs.append(source)
+
+ unit_tests.append((target, srcs))
+
# Children should have access
Export('Source')
+Export('BinSource')
Export('PySource')
Export('SimObject')
Export('SwigSource')
+Export('UnitTest')
########################################################################
#
# Trace Flags
#
-all_flags = {}
-trace_flags = []
-def TraceFlag(name, desc=''):
- if name in all_flags:
+trace_flags = {}
+def TraceFlag(name, desc=None):
+ if name in trace_flags:
raise AttributeError, "Flag %s already specified" % name
- flag = (name, (), desc)
- trace_flags.append(flag)
- all_flags[name] = ()
+ trace_flags[name] = (name, (), desc)
-def CompoundFlag(name, flags, desc=''):
- if name in all_flags:
+def CompoundFlag(name, flags, desc=None):
+ if name in trace_flags:
raise AttributeError, "Flag %s already specified" % name
compound = tuple(flags)
for flag in compound:
- if flag not in all_flags:
+ if flag not in trace_flags:
raise AttributeError, "Trace flag %s not found" % flag
- if all_flags[flag]:
+ if trace_flags[flag][1]:
raise AttributeError, \
"Compound flag can't point to another compound flag"
- flag = (name, compound, desc)
- trace_flags.append(flag)
- all_flags[name] = compound
+ trace_flags[name] = (name, compound, desc)
Export('TraceFlag')
Export('CompoundFlag')
# files.
env.Append(CPPPATH=Dir('.'))
+for extra_dir in extras_dir_list:
+ env.Append(CPPPATH=Dir(extra_dir))
+
# Add a flag defining what THE_ISA should be for all compilation
env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())])
+# 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
#
-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'))
-
-extra_string = env['EXTRAS']
-if extra_string and extra_string != '' and not extra_string.isspace():
- for extra in extra_string.split(':'):
- print 'Adding', extra, 'to source directory list'
- env.Append(CPPPATH=[Dir(extra)])
- for root, dirs, files in os.walk(extra, topdown=True):
- if 'SConscript' in files:
- subdir = root[len(os.path.dirname(extra))+1:]
- print ' Found SConscript in', subdir
- build_dir = joinpath(env['BUILDDIR'], subdir)
- SConscript(joinpath(root, 'SConscript'), build_dir=build_dir)
-
-for opt in env.ExportOptions:
+ build_dir = joinpath(env['BUILDDIR'], root[len(base_dir) + 1:])
+ SConscript(joinpath(root, 'SConscript'), build_dir=build_dir)
+
+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'), build_dir=build_dir)
+
+for opt in env.ExportVariables:
env.ConfigFile(opt)
########################################################################
# Prevent any SimObjects from being added after this point, they
# should all have been added in the SConscripts above
#
-sim_objects_fixed = True
+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()
-########################################################################
-#
-# 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__
+ def __del__(self):
+ self.unload()
-########################################################################
-#
-# 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 unload(self):
+ import sys
+ for module in self.installed:
+ del sys.modules[module]
+ self.installed = set()
+
+ def find_module(self, fullname, path):
+ if fullname == 'defines':
+ return self
+
+ if fullname == 'm5.objects':
+ return self
+
+ if fullname.startswith('m5.internal'):
+ return None
+
+ if fullname in self.modules and exists(self.modules[fullname]):
+ 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 == 'defines':
+ mod.__dict__['buildEnv'] = build_env
+ return mod
+
+ srcfile = self.modules[fullname]
+ if basename(srcfile) == '__init__.py':
+ mod.__path__ = fullname.split('.')
+ mod.__file__ = srcfile
+
+ exec file(srcfile, 'r') in mod.__dict__
+
+ return mod
+
+py_modules = {}
+for source in py_sources:
+ py_modules[source.modpath] = source.snode.abspath
+
+# 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.
+sim_objects_fixed = True
+importer = DictImporter(py_modules)
+sys.meta_path[0:0] = [ importer ]
+
+import m5
+
+# 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
+sim_objects = list(sim_object_modfiles)
+sim_objects.sort()
+for simobj in sim_objects:
+ exec('from m5.objects import %s' % simobj)
+
+# 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 sim_objects.iteritems():
+ for param in obj._params.local.values():
+ 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 = [ File(py_modules[dep]) for dep in module_depends ]
########################################################################
#
# Commands for the basic automatically generated python files
#
+# Generate Python file containing a dict specifying the current
+# build_env flags.
+def makeDefinesPyFile(target, source, env):
+ f = file(str(target[0]), 'w')
+ build_env, hg_info = [ x.get_contents() for x in source ]
+ print >>f, "buildEnv = %s" % build_env
+ print >>f, "hgRev = '%s'" % hg_info
+ f.close()
+
+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):
+ f = file(str(target[0]), 'w')
+ for src in source:
+ data = ''.join(file(src.srcnode().abspath, 'r').xreadlines())
+ print >>f, "%s = %s" % (src, repr(data))
+ f.close()
+
# 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 the __init__.py file for m5.objects
+def makeObjectsInitFile(target, source, env):
+ f = file(str(target[0]), 'w')
+ print >>f, 'from params import *'
+ print >>f, 'from m5.SimObject import *'
+ for module in source:
+ print >>f, 'from %s import *' % module.get_contents()
+ f.close()
+
# 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)
+ 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
+
+ hh_file = file(target[0].abspath, 'w')
+ name = str(source[0].get_contents())
+ obj = sim_objects[name]
+
+ print >>hh_file, obj.cxx_decl()
+
+def createSwigParam(target, source, env):
+ assert len(target) == 1 and len(source) == 1
+
+ i_file = file(target[0].abspath, 'w')
+ name = str(source[0].get_contents())
+ param = all_params[name]
+
+ for line in param.swig_decl():
+ print >>i_file, line
+
+def createEnumStrings(target, source, env):
+ assert len(target) == 1 and len(source) == 1
+
+ cc_file = file(target[0].abspath, 'w')
+ name = str(source[0].get_contents())
+ obj = all_enums[name]
+
+ print >>cc_file, obj.cxx_def()
+ cc_file.close()
+
+def createEnumParam(target, source, env):
+ assert len(target) == 1 and len(source) == 1
+
+ hh_file = file(target[0].abspath, 'w')
+ name = str(source[0].get_contents())
+ obj = all_enums[name]
+
+ print >>hh_file, obj.cxx_decl()
+
# 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 sim_objects.iteritems():
+ extra_deps = [ File(py_modules[simobj.__module__]) ]
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():
+params_i_files = []
+for name,param in all_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.append(i_file)
+ env.Command(i_file, Value(name), createSwigParam)
env.Depends(i_file, depends)
# Generate all enum header files
-for name,enum in generate.enums.iteritems():
- extra_deps = [ File(generate.py_modules[enum.__module__]) ]
+for name,enum in all_enums.iteritems():
+ extra_deps = [ File(py_modules[enum.__module__]) ]
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)
+def buildParams(target, source, env):
+ names = [ s.get_contents() for s in source ]
+ objs = [ sim_objects[name] for name in names ]
+ out = file(target[0].abspath, 'w')
+
+ ordered_objs = []
+ obj_seen = set()
+ def order_obj(obj):
+ name = str(obj)
+ if name in obj_seen:
+ return
+
+ obj_seen.add(name)
+ if str(obj) != 'SimObject':
+ order_obj(obj.__bases__[0])
+
+ ordered_objs.append(obj)
+
+ for obj in objs:
+ order_obj(obj)
+
+ enums = set()
+ predecls = []
+ pd_seen = set()
+
+ def add_pds(*pds):
+ for pd in pds:
+ if pd not in pd_seen:
+ predecls.append(pd)
+ pd_seen.add(pd)
+
+ for obj in ordered_objs:
+ params = obj._params.local.values()
+ for param in params:
+ ptype = param.ptype
+ if issubclass(ptype, m5.params.Enum):
+ if ptype not in enums:
+ enums.add(ptype)
+ pds = param.swig_predecls()
+ if isinstance(pds, (list, tuple)):
+ add_pds(*pds)
+ else:
+ add_pds(pds)
+
+ print >>out, '%module params'
+
+ print >>out, '%{'
+ for obj in ordered_objs:
+ print >>out, '#include "params/%s.hh"' % obj
+ print >>out, '%}'
+
+ for pd in predecls:
+ print >>out, pd
+
+ enums = list(enums)
+ enums.sort()
+ for enum in enums:
+ print >>out, '%%include "enums/%s.hh"' % enum.__name__
+ print >>out
+
+ for obj in ordered_objs:
+ if obj.swig_objdecls:
+ for decl in obj.swig_objdecls:
+ print >>out, decl
+ continue
+
+ class_path = obj.cxx_class.split('::')
+ classname = class_path[-1]
+ namespaces = class_path[:-1]
+ namespaces.reverse()
+
+ code = ''
+
+ if namespaces:
+ code += '// avoid name conflicts\n'
+ sep_string = '_COLONS_'
+ flat_name = sep_string.join(class_path)
+ code += '%%rename(%s) %s;\n' % (flat_name, classname)
+
+ code += '// stop swig from creating/wrapping default ctor/dtor\n'
+ code += '%%nodefault %s;\n' % classname
+ code += 'class %s ' % classname
+ if obj._base:
+ code += ': public %s' % obj._base.cxx_class
+ code += ' {};\n'
+
+ for ns in namespaces:
+ new_code = 'namespace %s {\n' % ns
+ new_code += code
+ new_code += '}\n'
+ code = new_code
+
+ print >>out, code
+
+ print >>out, '%%include "src/sim/sim_object_params.hh"' % obj
+ for obj in ordered_objs:
+ print >>out, '%%include "params/%s.hh"' % obj
+
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)
+names = sort_list(sim_objects.keys())
+env.Command(params_file, [ Value(v) for v in names ], buildParams)
+env.Depends(params_file, params_hh_files + params_i_files + depends)
SwigSource('m5.objects', params_file)
# Build all swig modules
swig_modules = []
+cc_swig_sources = []
for source,package in swig_sources:
filename = str(source)
assert filename.endswith('.i')
env.Depends(cc_file, source)
swig_modules.append(Value(module))
- Source(cc_file)
+ cc_swig_sources.append(File(cc_file))
PySource(package, py_file)
# Generate the main swig init file
-env.Command('swig/init.cc', swig_modules, generate.makeSwigInit)
-Source('swig/init.cc')
+def makeSwigInit(target, source, env):
+ f = file(str(target[0]), 'w')
+ print >>f, 'extern "C" {'
+ for module in source:
+ print >>f, ' void init_%s();' % module.get_contents()
+ print >>f, '}'
+ print >>f, 'void initSwig() {'
+ for module in source:
+ print >>f, ' init_%s();' % module.get_contents()
+ print >>f, '}'
+ f.close()
+
+env.Command('python/swig/init.cc', swig_modules, makeSwigInit)
+Source('python/swig/init.cc')
# Generate traceflags.py
-flags = [ Value(f) for f in trace_flags ]
-env.Command('base/traceflags.py', flags, generate.traceFlagsPy)
+def traceFlagsPy(target, source, env):
+ assert(len(target) == 1)
+
+ f = file(str(target[0]), 'w')
+
+ allFlags = []
+ for s in source:
+ val = eval(s.get_contents())
+ allFlags.append(val)
+
+ allFlags.sort()
+
+ print >>f, 'basic = ['
+ for flag, compound, desc in allFlags:
+ if not compound:
+ print >>f, " '%s'," % flag
+ print >>f, " ]"
+ print >>f
+
+ print >>f, 'compound = ['
+ print >>f, " 'All',"
+ for flag, compound, desc in allFlags:
+ if compound:
+ print >>f, " '%s'," % flag
+ print >>f, " ]"
+ print >>f
+
+ print >>f, "all = frozenset(basic + compound)"
+ print >>f
+
+ print >>f, 'compoundMap = {'
+ all = tuple([flag for flag,compound,desc in allFlags if not compound])
+ print >>f, " 'All' : %s," % (all, )
+ for flag, compound, desc in allFlags:
+ if compound:
+ print >>f, " '%s' : %s," % (flag, compound)
+ print >>f, " }"
+ print >>f
+
+ print >>f, 'descriptions = {'
+ print >>f, " 'All' : 'All flags',"
+ for flag, compound, desc in allFlags:
+ print >>f, " '%s' : '%s'," % (flag, desc)
+ print >>f, " }"
+
+ f.close()
+
+def traceFlagsCC(target, source, env):
+ assert(len(target) == 1)
+
+ f = file(str(target[0]), 'w')
+
+ allFlags = []
+ for s in source:
+ val = eval(s.get_contents())
+ allFlags.append(val)
+
+ # file header
+ print >>f, '''
+/*
+ * DO NOT EDIT THIS FILE! Automatically generated
+ */
+
+#include "base/traceflags.hh"
+
+using namespace Trace;
+
+const char *Trace::flagStrings[] =
+{'''
+
+ # 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:
+ print >>f, ' "%s",' % flag
+
+ print >>f, ' "All",'
+ for flag, compound, desc in allFlags:
+ if compound:
+ print >>f, ' "%s",' % flag
+
+ print >>f, '};'
+ print >>f
+ print >>f, 'const int Trace::numFlagStrings = %d;' % (len(allFlags) + 1)
+ print >>f
+
+ #
+ # 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])
+ print >>f, 'static const Flags AllMap[] = {'
+ for flag, compound, desc in allFlags:
+ if not compound:
+ print >>f, " %s," % flag
+ print >>f, '};'
+ print >>f
+
+ for flag, compound, desc in allFlags:
+ if not compound:
+ continue
+ print >>f, 'static const Flags %sMap[] = {' % flag
+ for flag in compound:
+ print >>f, " %s," % flag
+ print >>f, " (Flags)-1"
+ print >>f, '};'
+ print >>f
+
+ #
+ # Finally the compoundFlags[] array maps the compound flags
+ # to their individual arrays/
+ #
+ print >>f, 'const Flags *Trace::compoundFlags[] ='
+ print >>f, '{'
+ print >>f, ' AllMap,'
+ for flag, compound, desc in allFlags:
+ if compound:
+ print >>f, ' %sMap,' % flag
+ # file trailer
+ print >>f, '};'
+
+ f.close()
+
+def traceFlagsHH(target, source, env):
+ assert(len(target) == 1)
+
+ f = file(str(target[0]), 'w')
+
+ allFlags = []
+ for s in source:
+ val = eval(s.get_contents())
+ allFlags.append(val)
+
+ # file header boilerplate
+ print >>f, '''
+/*
+ * 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
+ for flag, compound, desc in allFlags:
+ if not compound:
+ print >>f, ' %s = %d,' % (flag, idx)
+ idx += 1
+
+ numBaseFlags = idx
+ print >>f, ' NumFlags = %d,' % idx
+
+ # put a comment in here to separate base from compound flags
+ print >>f, '''
+// 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.'''
+
+ print >>f, ' All = %d,' % idx
+ idx += 1
+ for flag, compound, desc in allFlags:
+ if compound:
+ print >>f, ' %s = %d,' % (flag, idx)
+ idx += 1
+
+ numCompoundFlags = idx - numBaseFlags
+ print >>f, ' NumCompoundFlags = %d' % numCompoundFlags
+
+ # trailer boilerplate
+ print >>f, '''\
+}; // 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__
+'''
+
+ f.close()
+
+flags = [ Value(f) for f in trace_flags.values() ]
+env.Command('base/traceflags.py', flags, traceFlagsPy)
PySource('m5', 'base/traceflags.py')
-env.Command('base/traceflags.hh', flags, generate.traceFlagsHH)
-env.Command('base/traceflags.cc', flags, generate.traceFlagsCC)
+env.Command('base/traceflags.hh', flags, traceFlagsHH)
+env.Command('base/traceflags.cc', flags, traceFlagsCC)
Source('base/traceflags.cc')
-# 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)
-
- # 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))
+# 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 an assembly file that
+# inserts the result into the data section with symbols indicating the
+# beginning, and end (and with the size at the end)
+py_sources_tnodes = {}
+for pysource in py_sources:
+ py_sources_tnodes[pysource.tnode] = pysource
+
+def objectifyPyFile(target, source, env):
+ '''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()
+ dst = file(str(target[0]), 'w')
+
+ pysource = py_sources_tnodes[source[0]]
+ compiled = compile(src, pysource.debugname, 'exec')
+ marshalled = marshal.dumps(compiled)
+ compressed = zlib.compress(marshalled)
+ data = compressed
+
+ # Some C/C++ compilers prepend an underscore to global symbol
+ # names, so if they're going to do that, we need to prepend that
+ # leading underscore to globals in the assembly file.
+ if env['LEADING_UNDERSCORE']:
+ sym = '_' + pysource.symname
+ else:
+ sym = pysource.symname
+
+ step = 16
+ print >>dst, ".data"
+ print >>dst, ".globl %s_beg" % sym
+ print >>dst, ".globl %s_end" % sym
+ print >>dst, "%s_beg:" % sym
+ for i in xrange(0, len(data), step):
+ x = array.array('B', data[i:i+step])
+ print >>dst, ".byte", ','.join([str(d) for d in x])
+ print >>dst, "%s_end:" % sym
+ print >>dst, ".long %d" % len(marshalled)
-# 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)
+for source in py_sources:
+ env.Command(source.assembly, source.tnode, objectifyPyFile)
+ Source(source.assembly)
+
+# Generate init_python.cc which creates a bunch of EmbeddedPyModule
+# structs that describe the embedded python code. One such struct
+# contains information about the importer that python uses to get at
+# the embedded files, and then there's a list of all of the rest that
+# the importer uses to load the rest on demand.
+py_sources_symbols = {}
+for pysource in py_sources:
+ py_sources_symbols[pysource.symname] = pysource
+def pythonInit(target, source, env):
+ dst = file(str(target[0]), 'w')
+
+ def dump_mod(sym, endchar=','):
+ pysource = py_sources_symbols[sym]
+ print >>dst, ' { "%s",' % pysource.arcname
+ print >>dst, ' "%s",' % pysource.modpath
+ print >>dst, ' %s_beg, %s_end,' % (sym, sym)
+ print >>dst, ' %s_end - %s_beg,' % (sym, sym)
+ print >>dst, ' *(int *)%s_end }%s' % (sym, endchar)
+
+ print >>dst, '#include "sim/init.hh"'
+
+ for sym in source:
+ sym = sym.get_contents()
+ print >>dst, "extern const char %s_beg[], %s_end[];" % (sym, sym)
+
+ print >>dst, "const EmbeddedPyModule embeddedPyImporter = "
+ dump_mod("PyEMB_importer", endchar=';');
+ print >>dst
+
+ print >>dst, "const EmbeddedPyModule embeddedPyModules[] = {"
+ for i,sym in enumerate(source):
+ sym = sym.get_contents()
+ if sym == "PyEMB_importer":
+ # Skip the importer since we've already exported it
+ continue
+ dump_mod(sym)
+ print >>dst, " { 0, 0, 0, 0, 0, 0 }"
+ print >>dst, "};"
+
+symbols = [Value(s.symname) for s in py_sources]
+env.Command('sim/init_python.cc', symbols, pythonInit)
+Source('sim/init_python.cc')
########################################################################
#
# 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]
+def make_objs(sources, env, static):
+ if static:
+ XObject = env.StaticObject
+ else:
+ XObject = env.SharedObject
+
+ objs = [ XObject(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')
+ date_obj = XObject('base/date.cc')
+
env.Depends(date_obj, objs)
objs.append(date_obj)
return objs
# 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()
+ if env['GCC']:
+ swig_env.Append(CCFLAGS='-Wno-uninitialized')
+ swig_env.Append(CCFLAGS='-Wno-sign-compare')
+ swig_env.Append(CCFLAGS='-Wno-parentheses')
+
+ static_objs = make_objs(cc_lib_sources, new_env, static=True)
+ shared_objs = make_objs(cc_lib_sources, new_env, static=False)
+ static_objs += [ swig_env.StaticObject(s) for s in cc_swig_sources ]
+ shared_objs += [ swig_env.SharedObject(s) for s in cc_swig_sources ]
+
+ # 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 = [ new_env.StaticObject(s) 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.
+ objects = [new_env.Object(s) for s in cc_bin_sources] + static_objs
if strip:
- stripped_bin = bin + '.stripped'
+ unstripped_exe = exename + '.unstripped'
+ new_env.Program(unstripped_exe, objects)
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, unstripped_exe, cmd)
+ else:
+ targets = new_env.Program(exename, objects)
+
+ new_env.M5Binary = targets[0]
+ envList.append(new_env)
# Debug binary
ccflags = {}
projects / gem5.git / blobdiff