3 # Copyright (c) 2004-2005 The Regents of The University of Michigan
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions are
8 # met: redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer;
10 # redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution;
13 # neither the name of the copyright holders nor the names of its
14 # contributors may be used to endorse or promote products derived from
15 # this software without specific prior written permission.
17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 # Authors: Nathan Binkert
39 from os.path import basename, dirname, exists, isdir, isfile, join as joinpath
43 # This file defines how to build a particular configuration of M5
44 # based on variable settings in the 'env' build environment.
48 # Children need to see the environment
51 build_env = dict([(opt, env[opt]) for opt in env.ExportOptions])
54 """return a sorted copy of '_list'"""
55 if isinstance(_list, list):
62 class PySourceFile(object):
63 invalid_sym_char = re.compile('[^A-z0-9_]')
64 def __init__(self, package, tnode):
65 snode = tnode.srcnode()
67 pyname = basename(filename)
68 assert pyname.endswith('.py')
71 path = package.split('.')
76 if name != '__init__':
78 modpath = '.'.join(modpath)
80 arcpath = path + [ pyname ]
81 arcname = joinpath(*arcpath)
83 debugname = snode.abspath
84 if not exists(debugname):
85 debugname = tnode.abspath
90 self.package = package
91 self.modpath = modpath
92 self.arcname = arcname
93 self.debugname = debugname
94 self.compiled = File(filename + 'c')
95 self.assembly = File(filename + '.s')
96 self.symname = "PyEMB_" + self.invalid_sym_char.sub('_', modpath)
99 ########################################################################
100 # Code for adding source files of various types
104 '''Add a source file to the libm5 build'''
105 if not isinstance(source, SCons.Node.FS.File):
106 source = File(source)
108 cc_lib_sources.append(source)
111 def BinSource(source):
112 '''Add a source file to the m5 binary build'''
113 if not isinstance(source, SCons.Node.FS.File):
114 source = File(source)
116 cc_bin_sources.append(source)
119 def PySource(package, source):
120 '''Add a python source file to the named package'''
121 if not isinstance(source, SCons.Node.FS.File):
122 source = File(source)
124 source = PySourceFile(package, source)
125 py_sources.append(source)
127 sim_objects_fixed = False
128 sim_object_modfiles = set()
129 def SimObject(source):
130 '''Add a SimObject python file as a python source object and add
131 it to a list of sim object modules'''
133 if sim_objects_fixed:
134 raise AttributeError, "Too late to call SimObject now."
136 if not isinstance(source, SCons.Node.FS.File):
137 source = File(source)
139 PySource('m5.objects', source)
140 modfile = basename(str(source))
141 assert modfile.endswith('.py')
142 modname = modfile[:-3]
143 sim_object_modfiles.add(modname)
146 def SwigSource(package, source):
147 '''Add a swig file to build'''
148 if not isinstance(source, SCons.Node.FS.File):
149 source = File(source)
151 swig_sources.append(val)
154 def UnitTest(target, sources):
155 if not isinstance(sources, (list, tuple)):
156 sources = [ sources ]
159 for source in sources:
160 if not isinstance(source, SCons.Node.FS.File):
161 source = File(source)
164 unit_tests.append((target, srcs))
166 # Children should have access
174 ########################################################################
179 def TraceFlag(name, desc=None):
180 if name in trace_flags:
181 raise AttributeError, "Flag %s already specified" % name
182 trace_flags[name] = (name, (), desc)
184 def CompoundFlag(name, flags, desc=None):
185 if name in trace_flags:
186 raise AttributeError, "Flag %s already specified" % name
188 compound = tuple(flags)
189 for flag in compound:
190 if flag not in trace_flags:
191 raise AttributeError, "Trace flag %s not found" % flag
192 if trace_flags[flag][1]:
193 raise AttributeError, \
194 "Compound flag can't point to another compound flag"
196 trace_flags[name] = (name, compound, desc)
199 Export('CompoundFlag')
201 ########################################################################
203 # Set some compiler variables
206 # Include file paths are rooted in this directory. SCons will
207 # automatically expand '.' to refer to both the source directory and
208 # the corresponding build directory to pick up generated include
210 env.Append(CPPPATH=Dir('.'))
212 for extra_dir in extras_dir_list:
213 env.Append(CPPPATH=Dir(extra_dir))
215 # Add a flag defining what THE_ISA should be for all compilation
216 env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())])
218 # Workaround for bug in SCons version > 0.97d20071212
219 # Scons bug id: 2006 M5 Bug id: 308
220 for root, dirs, files in os.walk(base_dir, topdown=True):
221 Dir(root[len(base_dir) + 1:])
223 ########################################################################
225 # Walk the tree and execute all SConscripts in subdirectories
228 here = Dir('.').srcnode().abspath
229 for root, dirs, files in os.walk(base_dir, topdown=True):
231 # we don't want to recurse back into this SConscript
234 if 'SConscript' in files:
235 build_dir = joinpath(env['BUILDDIR'], root[len(base_dir) + 1:])
236 SConscript(joinpath(root, 'SConscript'), build_dir=build_dir)
238 for extra_dir in extras_dir_list:
239 prefix_len = len(dirname(extra_dir)) + 1
240 for root, dirs, files in os.walk(extra_dir, topdown=True):
241 if 'SConscript' in files:
242 build_dir = joinpath(env['BUILDDIR'], root[prefix_len:])
243 SConscript(joinpath(root, 'SConscript'), build_dir=build_dir)
245 for opt in env.ExportOptions:
248 ########################################################################
250 # Prevent any SimObjects from being added after this point, they
251 # should all have been added in the SConscripts above
253 class DictImporter(object):
254 '''This importer takes a dictionary of arbitrary module names that
255 map to arbitrary filenames.'''
256 def __init__(self, modules):
257 self.modules = modules
258 self.installed = set()
265 for module in self.installed:
266 del sys.modules[module]
267 self.installed = set()
269 def find_module(self, fullname, path):
270 if fullname == 'defines':
273 if fullname == 'm5.objects':
276 if fullname.startswith('m5.internal'):
279 if fullname in self.modules and exists(self.modules[fullname]):
284 def load_module(self, fullname):
285 mod = imp.new_module(fullname)
286 sys.modules[fullname] = mod
287 self.installed.add(fullname)
289 mod.__loader__ = self
290 if fullname == 'm5.objects':
291 mod.__path__ = fullname.split('.')
294 if fullname == 'defines':
295 mod.__dict__['buildEnv'] = build_env
298 srcfile = self.modules[fullname]
299 if basename(srcfile) == '__init__.py':
300 mod.__path__ = fullname.split('.')
301 mod.__file__ = srcfile
303 exec file(srcfile, 'r') in mod.__dict__
308 for source in py_sources:
309 py_modules[source.modpath] = source.snode.abspath
311 # install the python importer so we can grab stuff from the source
312 # tree itself. We can't have SimObjects added after this point or
313 # else we won't know about them for the rest of the stuff.
314 sim_objects_fixed = True
315 importer = DictImporter(py_modules)
316 sys.meta_path[0:0] = [ importer ]
320 # import all sim objects so we can populate the all_objects list
321 # make sure that we're working with a list, then let's sort it
322 sim_objects = list(sim_object_modfiles)
324 for simobj in sim_objects:
325 exec('from m5.objects import %s' % simobj)
327 # we need to unload all of the currently imported modules so that they
328 # will be re-imported the next time the sconscript is run
330 sys.meta_path.remove(importer)
332 sim_objects = m5.SimObject.allClasses
333 all_enums = m5.params.allEnums
336 for name,obj in sim_objects.iteritems():
337 for param in obj._params.local.values():
338 if not hasattr(param, 'swig_decl'):
340 pname = param.ptype_str
341 if pname not in all_params:
342 all_params[pname] = param
344 ########################################################################
346 # calculate extra dependencies
348 module_depends = ["m5", "m5.SimObject", "m5.params"]
349 depends = [ File(py_modules[dep]) for dep in module_depends ]
351 ########################################################################
353 # Commands for the basic automatically generated python files
356 scons_dir = str(SCons.Node.FS.default_fs.SConstruct_dir)
359 hg_demandimport = False
361 if not exists(scons_dir) or not isdir(scons_dir) or \
362 not exists(joinpath(scons_dir, ".hg")):
363 raise ValueError(".hg directory not found")
365 output = subprocess.Popen("hg id -n -i -t -b".split(),
366 stdout=subprocess.PIPE).communicate()[0]
367 hg_info = output.strip()
368 except ImportError, e:
369 print "Mercurial not found"
370 except ValueError, e:
373 print "Other mercurial exception: %s" % e
375 # Generate Python file containing a dict specifying the current
377 def makeDefinesPyFile(target, source, env):
378 f = file(str(target[0]), 'w')
379 build_env, hg_info = [ x.get_contents() for x in source ]
380 print >>f, "buildEnv = %s" % build_env
381 print >>f, "hgRev = '%s'" % hg_info
384 defines_info = [ Value(build_env), Value(hg_info) ]
385 # Generate a file with all of the compile options in it
386 env.Command('python/m5/defines.py', defines_info, makeDefinesPyFile)
387 PySource('m5', 'python/m5/defines.py')
389 # Generate python file containing info about the M5 source code
390 def makeInfoPyFile(target, source, env):
391 f = file(str(target[0]), 'w')
393 data = ''.join(file(src.srcnode().abspath, 'r').xreadlines())
394 print >>f, "%s = %s" % (src, repr(data))
397 # Generate a file that wraps the basic top level files
398 env.Command('python/m5/info.py',
399 [ '#/AUTHORS', '#/LICENSE', '#/README', '#/RELEASE_NOTES' ],
401 PySource('m5', 'python/m5/info.py')
403 # Generate the __init__.py file for m5.objects
404 def makeObjectsInitFile(target, source, env):
405 f = file(str(target[0]), 'w')
406 print >>f, 'from params import *'
407 print >>f, 'from m5.SimObject import *'
408 for module in source:
409 print >>f, 'from %s import *' % module.get_contents()
412 # Generate an __init__.py file for the objects package
413 env.Command('python/m5/objects/__init__.py',
414 [ Value(o) for o in sort_list(sim_object_modfiles) ],
416 PySource('m5.objects', 'python/m5/objects/__init__.py')
418 ########################################################################
420 # Create all of the SimObject param headers and enum headers
423 def createSimObjectParam(target, source, env):
424 assert len(target) == 1 and len(source) == 1
426 hh_file = file(target[0].abspath, 'w')
427 name = str(source[0].get_contents())
428 obj = sim_objects[name]
430 print >>hh_file, obj.cxx_decl()
432 def createSwigParam(target, source, env):
433 assert len(target) == 1 and len(source) == 1
435 i_file = file(target[0].abspath, 'w')
436 name = str(source[0].get_contents())
437 param = all_params[name]
439 for line in param.swig_decl():
442 def createEnumStrings(target, source, env):
443 assert len(target) == 1 and len(source) == 1
445 cc_file = file(target[0].abspath, 'w')
446 name = str(source[0].get_contents())
447 obj = all_enums[name]
449 print >>cc_file, obj.cxx_def()
452 def createEnumParam(target, source, env):
453 assert len(target) == 1 and len(source) == 1
455 hh_file = file(target[0].abspath, 'w')
456 name = str(source[0].get_contents())
457 obj = all_enums[name]
459 print >>hh_file, obj.cxx_decl()
461 # Generate all of the SimObject param struct header files
463 for name,simobj in sim_objects.iteritems():
464 extra_deps = [ File(py_modules[simobj.__module__]) ]
466 hh_file = File('params/%s.hh' % name)
467 params_hh_files.append(hh_file)
468 env.Command(hh_file, Value(name), createSimObjectParam)
469 env.Depends(hh_file, depends + extra_deps)
471 # Generate any parameter header files needed
473 for name,param in all_params.iteritems():
474 if isinstance(param, m5.params.VectorParamDesc):
479 i_file = File('params/%s_%s.i' % (name, ext))
480 params_i_files.append(i_file)
481 env.Command(i_file, Value(name), createSwigParam)
482 env.Depends(i_file, depends)
484 # Generate all enum header files
485 for name,enum in all_enums.iteritems():
486 extra_deps = [ File(py_modules[enum.__module__]) ]
488 cc_file = File('enums/%s.cc' % name)
489 env.Command(cc_file, Value(name), createEnumStrings)
490 env.Depends(cc_file, depends + extra_deps)
493 hh_file = File('enums/%s.hh' % name)
494 env.Command(hh_file, Value(name), createEnumParam)
495 env.Depends(hh_file, depends + extra_deps)
497 # Build the big monolithic swigged params module (wraps all SimObject
498 # param structs and enum structs)
499 def buildParams(target, source, env):
500 names = [ s.get_contents() for s in source ]
501 objs = [ sim_objects[name] for name in names ]
502 out = file(target[0].abspath, 'w')
512 if str(obj) != 'SimObject':
513 order_obj(obj.__bases__[0])
515 ordered_objs.append(obj)
526 if pd not in pd_seen:
530 for obj in ordered_objs:
531 params = obj._params.local.values()
534 if issubclass(ptype, m5.params.Enum):
535 if ptype not in enums:
537 pds = param.swig_predecls()
538 if isinstance(pds, (list, tuple)):
543 print >>out, '%module params'
546 for obj in ordered_objs:
547 print >>out, '#include "params/%s.hh"' % obj
556 print >>out, '%%include "enums/%s.hh"' % enum.__name__
559 for obj in ordered_objs:
560 if obj.swig_objdecls:
561 for decl in obj.swig_objdecls:
565 class_path = obj.cxx_class.split('::')
566 classname = class_path[-1]
567 namespaces = class_path[:-1]
573 code += '// avoid name conflicts\n'
574 sep_string = '_COLONS_'
575 flat_name = sep_string.join(class_path)
576 code += '%%rename(%s) %s;\n' % (flat_name, classname)
578 code += '// stop swig from creating/wrapping default ctor/dtor\n'
579 code += '%%nodefault %s;\n' % classname
580 code += 'class %s ' % classname
582 code += ': public %s' % obj._base.cxx_class
585 for ns in namespaces:
586 new_code = 'namespace %s {\n' % ns
593 print >>out, '%%include "src/sim/sim_object_params.hh"' % obj
594 for obj in ordered_objs:
595 print >>out, '%%include "params/%s.hh"' % obj
597 params_file = File('params/params.i')
598 names = sort_list(sim_objects.keys())
599 env.Command(params_file, [ Value(v) for v in names ], buildParams)
600 env.Depends(params_file, params_hh_files + params_i_files + depends)
601 SwigSource('m5.objects', params_file)
603 # Build all swig modules
606 for source,package in swig_sources:
607 filename = str(source)
608 assert filename.endswith('.i')
610 base = '.'.join(filename.split('.')[:-1])
611 module = basename(base)
612 cc_file = base + '_wrap.cc'
613 py_file = base + '.py'
615 env.Command([cc_file, py_file], source,
616 '$SWIG $SWIGFLAGS -outdir ${TARGETS[1].dir} '
617 '-o ${TARGETS[0]} $SOURCES')
618 env.Depends(py_file, source)
619 env.Depends(cc_file, source)
621 swig_modules.append(Value(module))
622 cc_swig_sources.append(File(cc_file))
623 PySource(package, py_file)
625 # Generate the main swig init file
626 def makeSwigInit(target, source, env):
627 f = file(str(target[0]), 'w')
628 print >>f, 'extern "C" {'
629 for module in source:
630 print >>f, ' void init_%s();' % module.get_contents()
632 print >>f, 'void initSwig() {'
633 for module in source:
634 print >>f, ' init_%s();' % module.get_contents()
638 env.Command('python/swig/init.cc', swig_modules, makeSwigInit)
639 Source('python/swig/init.cc')
641 # Generate traceflags.py
642 def traceFlagsPy(target, source, env):
643 assert(len(target) == 1)
645 f = file(str(target[0]), 'w')
649 val = eval(s.get_contents())
654 print >>f, 'basic = ['
655 for flag, compound, desc in allFlags:
657 print >>f, " '%s'," % flag
661 print >>f, 'compound = ['
663 for flag, compound, desc in allFlags:
665 print >>f, " '%s'," % flag
669 print >>f, "all = frozenset(basic + compound)"
672 print >>f, 'compoundMap = {'
673 all = tuple([flag for flag,compound,desc in allFlags if not compound])
674 print >>f, " 'All' : %s," % (all, )
675 for flag, compound, desc in allFlags:
677 print >>f, " '%s' : %s," % (flag, compound)
681 print >>f, 'descriptions = {'
682 print >>f, " 'All' : 'All flags',"
683 for flag, compound, desc in allFlags:
684 print >>f, " '%s' : '%s'," % (flag, desc)
689 def traceFlagsCC(target, source, env):
690 assert(len(target) == 1)
692 f = file(str(target[0]), 'w')
696 val = eval(s.get_contents())
702 * DO NOT EDIT THIS FILE! Automatically generated
705 #include "base/traceflags.hh"
707 using namespace Trace;
709 const char *Trace::flagStrings[] =
712 # The string array is used by SimpleEnumParam to map the strings
713 # provided by the user to enum values.
714 for flag, compound, desc in allFlags:
716 print >>f, ' "%s",' % flag
719 for flag, compound, desc in allFlags:
721 print >>f, ' "%s",' % flag
725 print >>f, 'const int Trace::numFlagStrings = %d;' % (len(allFlags) + 1)
729 # Now define the individual compound flag arrays. There is an array
730 # for each compound flag listing the component base flags.
732 all = tuple([flag for flag,compound,desc in allFlags if not compound])
733 print >>f, 'static const Flags AllMap[] = {'
734 for flag, compound, desc in allFlags:
736 print >>f, " %s," % flag
740 for flag, compound, desc in allFlags:
743 print >>f, 'static const Flags %sMap[] = {' % flag
744 for flag in compound:
745 print >>f, " %s," % flag
746 print >>f, " (Flags)-1"
751 # Finally the compoundFlags[] array maps the compound flags
752 # to their individual arrays/
754 print >>f, 'const Flags *Trace::compoundFlags[] ='
756 print >>f, ' AllMap,'
757 for flag, compound, desc in allFlags:
759 print >>f, ' %sMap,' % flag
765 def traceFlagsHH(target, source, env):
766 assert(len(target) == 1)
768 f = file(str(target[0]), 'w')
772 val = eval(s.get_contents())
775 # file header boilerplate
778 * DO NOT EDIT THIS FILE!
780 * Automatically generated from traceflags.py
783 #ifndef __BASE_TRACE_FLAGS_HH__
784 #define __BASE_TRACE_FLAGS_HH__
790 # Generate the enum. Base flags come first, then compound flags.
792 for flag, compound, desc in allFlags:
794 print >>f, ' %s = %d,' % (flag, idx)
798 print >>f, ' NumFlags = %d,' % idx
800 # put a comment in here to separate base from compound flags
802 // The remaining enum values are *not* valid indices for Trace::flags.
803 // They are "compound" flags, which correspond to sets of base
804 // flags, and are used by changeFlag.'''
806 print >>f, ' All = %d,' % idx
808 for flag, compound, desc in allFlags:
810 print >>f, ' %s = %d,' % (flag, idx)
813 numCompoundFlags = idx - numBaseFlags
814 print >>f, ' NumCompoundFlags = %d' % numCompoundFlags
816 # trailer boilerplate
820 // Array of strings for SimpleEnumParam
821 extern const char *flagStrings[];
822 extern const int numFlagStrings;
824 // Array of arraay pointers: for each compound flag, gives the list of
825 // base flags to set. Inidividual flag arrays are terminated by -1.
826 extern const Flags *compoundFlags[];
828 /* namespace Trace */ }
830 #endif // __BASE_TRACE_FLAGS_HH__
835 flags = [ Value(f) for f in trace_flags.values() ]
836 env.Command('base/traceflags.py', flags, traceFlagsPy)
837 PySource('m5', 'base/traceflags.py')
839 env.Command('base/traceflags.hh', flags, traceFlagsHH)
840 env.Command('base/traceflags.cc', flags, traceFlagsCC)
841 Source('base/traceflags.cc')
843 # embed python files. All .py files that have been indicated by a
844 # PySource() call in a SConscript need to be embedded into the M5
845 # library. To do that, we compile the file to byte code, marshal the
846 # byte code, compress it, and then generate an assembly file that
847 # inserts the result into the data section with symbols indicating the
848 # beginning, and end (and with the size at the end)
849 py_sources_tnodes = {}
850 for pysource in py_sources:
851 py_sources_tnodes[pysource.tnode] = pysource
853 def objectifyPyFile(target, source, env):
854 '''Action function to compile a .py into a code object, marshal
855 it, compress it, and stick it into an asm file so the code appears
856 as just bytes with a label in the data section'''
858 src = file(str(source[0]), 'r').read()
859 dst = file(str(target[0]), 'w')
861 pysource = py_sources_tnodes[source[0]]
862 compiled = compile(src, pysource.debugname, 'exec')
863 marshalled = marshal.dumps(compiled)
864 compressed = zlib.compress(marshalled)
867 # Some C/C++ compilers prepend an underscore to global symbol
868 # names, so if they're going to do that, we need to prepend that
869 # leading underscore to globals in the assembly file.
870 if env['LEADING_UNDERSCORE']:
871 sym = '_' + pysource.symname
873 sym = pysource.symname
877 print >>dst, ".globl %s_beg" % sym
878 print >>dst, ".globl %s_end" % sym
879 print >>dst, "%s_beg:" % sym
880 for i in xrange(0, len(data), step):
881 x = array.array('B', data[i:i+step])
882 print >>dst, ".byte", ','.join([str(d) for d in x])
883 print >>dst, "%s_end:" % sym
884 print >>dst, ".long %d" % len(marshalled)
886 for source in py_sources:
887 env.Command(source.assembly, source.tnode, objectifyPyFile)
888 Source(source.assembly)
890 # Generate init_python.cc which creates a bunch of EmbeddedPyModule
891 # structs that describe the embedded python code. One such struct
892 # contains information about the importer that python uses to get at
893 # the embedded files, and then there's a list of all of the rest that
894 # the importer uses to load the rest on demand.
895 py_sources_symbols = {}
896 for pysource in py_sources:
897 py_sources_symbols[pysource.symname] = pysource
898 def pythonInit(target, source, env):
899 dst = file(str(target[0]), 'w')
901 def dump_mod(sym, endchar=','):
902 pysource = py_sources_symbols[sym]
903 print >>dst, ' { "%s",' % pysource.arcname
904 print >>dst, ' "%s",' % pysource.modpath
905 print >>dst, ' %s_beg, %s_end,' % (sym, sym)
906 print >>dst, ' %s_end - %s_beg,' % (sym, sym)
907 print >>dst, ' *(int *)%s_end }%s' % (sym, endchar)
909 print >>dst, '#include "sim/init.hh"'
912 sym = sym.get_contents()
913 print >>dst, "extern const char %s_beg[], %s_end[];" % (sym, sym)
915 print >>dst, "const EmbeddedPyModule embeddedPyImporter = "
916 dump_mod("PyEMB_importer", endchar=';');
919 print >>dst, "const EmbeddedPyModule embeddedPyModules[] = {"
920 for i,sym in enumerate(source):
921 sym = sym.get_contents()
922 if sym == "PyEMB_importer":
923 # Skip the importer since we've already exported it
926 print >>dst, " { 0, 0, 0, 0, 0, 0 }"
929 symbols = [Value(s.symname) for s in py_sources]
930 env.Command('sim/init_python.cc', symbols, pythonInit)
931 Source('sim/init_python.cc')
933 ########################################################################
935 # Define binaries. Each different build type (debug, opt, etc.) gets
936 # a slightly different build environment.
939 # List of constructed environments to pass back to SConstruct
942 # This function adds the specified sources to the given build
943 # environment, and returns a list of all the corresponding SCons
944 # Object nodes (including an extra one for date.cc). We explicitly
945 # add the Object nodes so we can set up special dependencies for
947 def make_objs(sources, env, static):
949 XObject = env.StaticObject
951 XObject = env.SharedObject
953 objs = [ XObject(s) for s in sources ]
955 # make date.cc depend on all other objects so it always gets
956 # recompiled whenever anything else does
957 date_obj = XObject('base/date.cc')
959 env.Depends(date_obj, objs)
960 objs.append(date_obj)
963 # Function to create a new build environment as clone of current
964 # environment 'env' with modified object suffix and optional stripped
965 # binary. Additional keyword arguments are appended to corresponding
966 # build environment vars.
967 def makeEnv(label, objsfx, strip = False, **kwargs):
968 # SCons doesn't know to append a library suffix when there is a '.' in the
969 # name. Use '_' instead.
970 libname = 'm5_' + label
971 exename = 'm5.' + label
973 new_env = env.Copy(OBJSUFFIX=objsfx, SHOBJSUFFIX=objsfx + 's')
974 new_env.Label = label
975 new_env.Append(**kwargs)
977 swig_env = new_env.Copy()
979 swig_env.Append(CCFLAGS='-Wno-uninitialized')
980 swig_env.Append(CCFLAGS='-Wno-sign-compare')
981 swig_env.Append(CCFLAGS='-Wno-parentheses')
983 static_objs = make_objs(cc_lib_sources, new_env, static=True)
984 shared_objs = make_objs(cc_lib_sources, new_env, static=False)
985 static_objs += [ swig_env.StaticObject(s) for s in cc_swig_sources ]
986 shared_objs += [ swig_env.SharedObject(s) for s in cc_swig_sources ]
988 # First make a library of everything but main() so other programs can
990 static_lib = new_env.StaticLibrary(libname, static_objs)
991 shared_lib = new_env.SharedLibrary(libname, shared_objs)
993 for target, sources in unit_tests:
994 objs = [ new_env.StaticObject(s) for s in sources ]
995 new_env.Program("unittest/%s.%s" % (target, label), objs + static_lib)
997 # Now link a stub with main() and the static library.
998 objects = [new_env.Object(s) for s in cc_bin_sources] + static_lib
1000 unstripped_exe = exename + '.unstripped'
1001 new_env.Program(unstripped_exe, objects)
1002 if sys.platform == 'sunos5':
1003 cmd = 'cp $SOURCE $TARGET; strip $TARGET'
1005 cmd = 'strip $SOURCE -o $TARGET'
1006 targets = new_env.Command(exename, unstripped_exe, cmd)
1008 targets = new_env.Program(exename, objects)
1010 new_env.M5Binary = targets[0]
1011 envList.append(new_env)
1016 if sys.platform == 'sunos5':
1017 ccflags['debug'] = '-gstabs+'
1019 ccflags['debug'] = '-ggdb3'
1020 ccflags['opt'] = '-g -O3'
1021 ccflags['fast'] = '-O3'
1022 ccflags['prof'] = '-O3 -g -pg'
1024 ccflags['debug'] = '-g0'
1025 ccflags['opt'] = '-g -O'
1026 ccflags['fast'] = '-fast'
1027 ccflags['prof'] = '-fast -g -pg'
1029 ccflags['debug'] = '-g -O0'
1030 ccflags['opt'] = '-g -O'
1031 ccflags['fast'] = '-fast'
1032 ccflags['prof'] = '-fast -g -pg'
1034 print 'Unknown compiler, please fix compiler options'
1037 makeEnv('debug', '.do',
1038 CCFLAGS = Split(ccflags['debug']),
1039 CPPDEFINES = ['DEBUG', 'TRACING_ON=1'])
1042 makeEnv('opt', '.o',
1043 CCFLAGS = Split(ccflags['opt']),
1044 CPPDEFINES = ['TRACING_ON=1'])
1047 makeEnv('fast', '.fo', strip = True,
1048 CCFLAGS = Split(ccflags['fast']),
1049 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'])
1052 makeEnv('prof', '.po',
1053 CCFLAGS = Split(ccflags['prof']),
1054 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],