88 self.compiled = File(filename + 'c')
89 self.assembly = File(filename + '.s')
90 self.symname = "PyEMB_" + self.invalid_sym_char.sub('_', modpath)
91
92
93########################################################################
94# Code for adding source files of various types
95#
96cc_lib_sources = []
97def Source(source):
98 '''Add a source file to the libm5 build'''
99 if not isinstance(source, SCons.Node.FS.File):
100 source = File(source)
101
102 cc_lib_sources.append(source)
103
104cc_bin_sources = []
105def BinSource(source):
106 '''Add a source file to the m5 binary build'''
107 if not isinstance(source, SCons.Node.FS.File):
108 source = File(source)
109
110 cc_bin_sources.append(source)
111
112py_sources = []
113def PySource(package, source):
114 '''Add a python source file to the named package'''
115 if not isinstance(source, SCons.Node.FS.File):
116 source = File(source)
117
118 source = PySourceFile(package, source)
119 py_sources.append(source)
120
121sim_objects_fixed = False
122sim_object_modfiles = set()
123def SimObject(source):
124 '''Add a SimObject python file as a python source object and add
125 it to a list of sim object modules'''
126
127 if sim_objects_fixed:
128 raise AttributeError, "Too late to call SimObject now."
129
130 if not isinstance(source, SCons.Node.FS.File):
131 source = File(source)
132
133 PySource('m5.objects', source)
134 modfile = basename(str(source))
135 assert modfile.endswith('.py')
136 modname = modfile[:-3]
137 sim_object_modfiles.add(modname)
138
139swig_sources = []
140def SwigSource(package, source):
141 '''Add a swig file to build'''
142 if not isinstance(source, SCons.Node.FS.File):
143 source = File(source)
144 val = source,package
145 swig_sources.append(val)
146
147unit_tests = []
148def UnitTest(target, sources):
149 if not isinstance(sources, (list, tuple)):
150 sources = [ sources ]
151
152 srcs = []
153 for source in sources:
154 if not isinstance(source, SCons.Node.FS.File):
155 source = File(source)
156 srcs.append(source)
157
158 unit_tests.append((target, srcs))
159
160# Children should have access
161Export('Source')
162Export('BinSource')
163Export('PySource')
164Export('SimObject')
165Export('SwigSource')
166Export('UnitTest')
167
168########################################################################
169#
170# Trace Flags
171#
172all_flags = {}
173trace_flags = []
174def TraceFlag(name, desc=''):
175 if name in all_flags:
176 raise AttributeError, "Flag %s already specified" % name
177 flag = (name, (), desc)
178 trace_flags.append(flag)
179 all_flags[name] = ()
180
181def CompoundFlag(name, flags, desc=''):
182 if name in all_flags:
183 raise AttributeError, "Flag %s already specified" % name
184
185 compound = tuple(flags)
186 for flag in compound:
187 if flag not in all_flags:
188 raise AttributeError, "Trace flag %s not found" % flag
189 if all_flags[flag]:
190 raise AttributeError, \
191 "Compound flag can't point to another compound flag"
192
193 flag = (name, compound, desc)
194 trace_flags.append(flag)
195 all_flags[name] = compound
196
197Export('TraceFlag')
198Export('CompoundFlag')
199
200########################################################################
201#
202# Set some compiler variables
203#
204
205# Include file paths are rooted in this directory. SCons will
206# automatically expand '.' to refer to both the source directory and
207# the corresponding build directory to pick up generated include
208# files.
209env.Append(CPPPATH=Dir('.'))
210
211# Add a flag defining what THE_ISA should be for all compilation
212env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())])
213
214########################################################################
215#
216# Walk the tree and execute all SConscripts in subdirectories
217#
218
219for base_dir in base_dir_list:
220 here = Dir('.').srcnode().abspath
221 for root, dirs, files in os.walk(base_dir, topdown=True):
222 if root == here:
223 # we don't want to recurse back into this SConscript
224 continue
225
226 if 'SConscript' in files:
227 build_dir = joinpath(env['BUILDDIR'], root[len(base_dir) + 1:])
228 SConscript(joinpath(root, 'SConscript'), build_dir=build_dir)
229
230for opt in env.ExportOptions:
231 env.ConfigFile(opt)
232
233########################################################################
234#
235# Prevent any SimObjects from being added after this point, they
236# should all have been added in the SConscripts above
237#
238class DictImporter(object):
239 '''This importer takes a dictionary of arbitrary module names that
240 map to arbitrary filenames.'''
241 def __init__(self, modules):
242 self.modules = modules
243 self.installed = set()
244
245 def __del__(self):
246 self.unload()
247
248 def unload(self):
249 import sys
250 for module in self.installed:
251 del sys.modules[module]
252 self.installed = set()
253
254 def find_module(self, fullname, path):
255 if fullname == '__scons':
256 return self
257
258 if fullname == 'm5.objects':
259 return self
260
261 if fullname.startswith('m5.internal'):
262 return None
263
264 if fullname in self.modules and exists(self.modules[fullname]):
265 return self
266
267 return None
268
269 def load_module(self, fullname):
270 mod = imp.new_module(fullname)
271 sys.modules[fullname] = mod
272 self.installed.add(fullname)
273
274 mod.__loader__ = self
275 if fullname == 'm5.objects':
276 mod.__path__ = fullname.split('.')
277 return mod
278
279 if fullname == '__scons':
280 mod.__dict__['m5_build_env'] = build_env
281 return mod
282
283 srcfile = self.modules[fullname]
284 if basename(srcfile) == '__init__.py':
285 mod.__path__ = fullname.split('.')
286 mod.__file__ = srcfile
287
288 exec file(srcfile, 'r') in mod.__dict__
289
290 return mod
291
292py_modules = {}
293for source in py_sources:
294 py_modules[source.modpath] = source.snode.abspath
295
296# install the python importer so we can grab stuff from the source
297# tree itself. We can't have SimObjects added after this point or
298# else we won't know about them for the rest of the stuff.
299sim_objects_fixed = True
300importer = DictImporter(py_modules)
301sys.meta_path[0:0] = [ importer ]
302
303import m5
304
305# import all sim objects so we can populate the all_objects list
306# make sure that we're working with a list, then let's sort it
307sim_objects = list(sim_object_modfiles)
308sim_objects.sort()
309for simobj in sim_objects:
310 exec('from m5.objects import %s' % simobj)
311
312# we need to unload all of the currently imported modules so that they
313# will be re-imported the next time the sconscript is run
314importer.unload()
315sys.meta_path.remove(importer)
316
317sim_objects = m5.SimObject.allClasses
318all_enums = m5.params.allEnums
319
320all_params = {}
321for name,obj in sim_objects.iteritems():
322 for param in obj._params.local.values():
323 if not hasattr(param, 'swig_decl'):
324 continue
325 pname = param.ptype_str
326 if pname not in all_params:
327 all_params[pname] = param
328
329########################################################################
330#
331# calculate extra dependencies
332#
333module_depends = ["m5", "m5.SimObject", "m5.params"]
334depends = [ File(py_modules[dep]) for dep in module_depends ]
335
336########################################################################
337#
338# Commands for the basic automatically generated python files
339#
340
341# Generate Python file containing a dict specifying the current
342# build_env flags.
343def makeDefinesPyFile(target, source, env):
344 f = file(str(target[0]), 'w')
345 print >>f, "m5_build_env = ", source[0]
346 f.close()
347
348# Generate python file containing info about the M5 source code
349def makeInfoPyFile(target, source, env):
350 f = file(str(target[0]), 'w')
351 for src in source:
352 data = ''.join(file(src.srcnode().abspath, 'r').xreadlines())
353 print >>f, "%s = %s" % (src, repr(data))
354 f.close()
355
356# Generate the __init__.py file for m5.objects
357def makeObjectsInitFile(target, source, env):
358 f = file(str(target[0]), 'w')
359 print >>f, 'from params import *'
360 print >>f, 'from m5.SimObject import *'
361 for module in source:
362 print >>f, 'from %s import *' % module.get_contents()
363 f.close()
364
365# Generate a file with all of the compile options in it
366env.Command('python/m5/defines.py', Value(build_env), makeDefinesPyFile)
367PySource('m5', 'python/m5/defines.py')
368
369# Generate a file that wraps the basic top level files
370env.Command('python/m5/info.py',
371 [ '#/AUTHORS', '#/LICENSE', '#/README', '#/RELEASE_NOTES' ],
372 makeInfoPyFile)
373PySource('m5', 'python/m5/info.py')
374
375# Generate an __init__.py file for the objects package
376env.Command('python/m5/objects/__init__.py',
377 [ Value(o) for o in sort_list(sim_object_modfiles) ],
378 makeObjectsInitFile)
379PySource('m5.objects', 'python/m5/objects/__init__.py')
380
381########################################################################
382#
383# Create all of the SimObject param headers and enum headers
384#
385
386def createSimObjectParam(target, source, env):
387 assert len(target) == 1 and len(source) == 1
388
389 hh_file = file(target[0].abspath, 'w')
390 name = str(source[0].get_contents())
391 obj = sim_objects[name]
392
393 print >>hh_file, obj.cxx_decl()
394
395def createSwigParam(target, source, env):
396 assert len(target) == 1 and len(source) == 1
397
398 i_file = file(target[0].abspath, 'w')
399 name = str(source[0].get_contents())
400 param = all_params[name]
401
402 for line in param.swig_decl():
403 print >>i_file, line
404
405def createEnumStrings(target, source, env):
406 assert len(target) == 1 and len(source) == 1
407
408 cc_file = file(target[0].abspath, 'w')
409 name = str(source[0].get_contents())
410 obj = all_enums[name]
411
412 print >>cc_file, obj.cxx_def()
413 cc_file.close()
414
415def createEnumParam(target, source, env):
416 assert len(target) == 1 and len(source) == 1
417
418 hh_file = file(target[0].abspath, 'w')
419 name = str(source[0].get_contents())
420 obj = all_enums[name]
421
422 print >>hh_file, obj.cxx_decl()
423
424# Generate all of the SimObject param struct header files
425params_hh_files = []
426for name,simobj in sim_objects.iteritems():
427 extra_deps = [ File(py_modules[simobj.__module__]) ]
428
429 hh_file = File('params/%s.hh' % name)
430 params_hh_files.append(hh_file)
431 env.Command(hh_file, Value(name), createSimObjectParam)
432 env.Depends(hh_file, depends + extra_deps)
433
434# Generate any parameter header files needed
435params_i_files = []
436for name,param in all_params.iteritems():
437 if isinstance(param, m5.params.VectorParamDesc):
438 ext = 'vptype'
439 else:
440 ext = 'ptype'
441
442 i_file = File('params/%s_%s.i' % (name, ext))
443 params_i_files.append(i_file)
444 env.Command(i_file, Value(name), createSwigParam)
445 env.Depends(i_file, depends)
446
447# Generate all enum header files
448for name,enum in all_enums.iteritems():
449 extra_deps = [ File(py_modules[enum.__module__]) ]
450
451 cc_file = File('enums/%s.cc' % name)
452 env.Command(cc_file, Value(name), createEnumStrings)
453 env.Depends(cc_file, depends + extra_deps)
454 Source(cc_file)
455
456 hh_file = File('enums/%s.hh' % name)
457 env.Command(hh_file, Value(name), createEnumParam)
458 env.Depends(hh_file, depends + extra_deps)
459
460# Build the big monolithic swigged params module (wraps all SimObject
461# param structs and enum structs)
462def buildParams(target, source, env):
463 names = [ s.get_contents() for s in source ]
464 objs = [ sim_objects[name] for name in names ]
465 out = file(target[0].abspath, 'w')
466
467 ordered_objs = []
468 obj_seen = set()
469 def order_obj(obj):
470 name = str(obj)
471 if name in obj_seen:
472 return
473
474 obj_seen.add(name)
475 if str(obj) != 'SimObject':
476 order_obj(obj.__bases__[0])
477
478 ordered_objs.append(obj)
479
480 for obj in objs:
481 order_obj(obj)
482
483 enums = set()
484 predecls = []
485 pd_seen = set()
486
487 def add_pds(*pds):
488 for pd in pds:
489 if pd not in pd_seen:
490 predecls.append(pd)
491 pd_seen.add(pd)
492
493 for obj in ordered_objs:
494 params = obj._params.local.values()
495 for param in params:
496 ptype = param.ptype
497 if issubclass(ptype, m5.params.Enum):
498 if ptype not in enums:
499 enums.add(ptype)
500 pds = param.swig_predecls()
501 if isinstance(pds, (list, tuple)):
502 add_pds(*pds)
503 else:
504 add_pds(pds)
505
506 print >>out, '%module params'
507
508 print >>out, '%{'
509 for obj in ordered_objs:
510 print >>out, '#include "params/%s.hh"' % obj
511 print >>out, '%}'
512
513 for pd in predecls:
514 print >>out, pd
515
516 enums = list(enums)
517 enums.sort()
518 for enum in enums:
519 print >>out, '%%include "enums/%s.hh"' % enum.__name__
520 print >>out
521
522 for obj in ordered_objs:
523 if obj.swig_objdecls:
524 for decl in obj.swig_objdecls:
525 print >>out, decl
526 continue
527
528 code = ''
529 base = obj.get_base()
530
531 code += '// stop swig from creating/wrapping default ctor/dtor\n'
532 code += '%%nodefault %s;\n' % obj.cxx_class
533 code += 'class %s ' % obj.cxx_class
534 if base:
535 code += ': public %s' % base
536 code += ' {};\n'
537
538 klass = obj.cxx_class;
539 if hasattr(obj, 'cxx_namespace'):
540 new_code = 'namespace %s {\n' % obj.cxx_namespace
541 new_code += code
542 new_code += '}\n'
543 code = new_code
544 klass = '%s::%s' % (obj.cxx_namespace, klass)
545
546 print >>out, code
547
548 print >>out, '%%include "src/sim/sim_object_params.hh"' % obj
549 for obj in ordered_objs:
550 print >>out, '%%include "params/%s.hh"' % obj
551
552params_file = File('params/params.i')
553names = sort_list(sim_objects.keys())
554env.Command(params_file, [ Value(v) for v in names ], buildParams)
555env.Depends(params_file, params_hh_files + params_i_files + depends)
556SwigSource('m5.objects', params_file)
557
558# Build all swig modules
559swig_modules = []
560cc_swig_sources = []
561for source,package in swig_sources:
562 filename = str(source)
563 assert filename.endswith('.i')
564
565 base = '.'.join(filename.split('.')[:-1])
566 module = basename(base)
567 cc_file = base + '_wrap.cc'
568 py_file = base + '.py'
569
570 env.Command([cc_file, py_file], source,
571 '$SWIG $SWIGFLAGS -outdir ${TARGETS[1].dir} '
572 '-o ${TARGETS[0]} $SOURCES')
573 env.Depends(py_file, source)
574 env.Depends(cc_file, source)
575
576 swig_modules.append(Value(module))
577 cc_swig_sources.append(File(cc_file))
578 PySource(package, py_file)
579
580# Generate the main swig init file
581def makeSwigInit(target, source, env):
582 f = file(str(target[0]), 'w')
583 print >>f, 'extern "C" {'
584 for module in source:
585 print >>f, ' void init_%s();' % module.get_contents()
586 print >>f, '}'
587 print >>f, 'void initSwig() {'
588 for module in source:
589 print >>f, ' init_%s();' % module.get_contents()
590 print >>f, '}'
591 f.close()
592
593env.Command('python/swig/init.cc', swig_modules, makeSwigInit)
594Source('python/swig/init.cc')
595
596# Generate traceflags.py
597def traceFlagsPy(target, source, env):
598 assert(len(target) == 1)
599
600 f = file(str(target[0]), 'w')
601
602 allFlags = []
603 for s in source:
604 val = eval(s.get_contents())
605 allFlags.append(val)
606
607 print >>f, 'baseFlags = ['
608 for flag, compound, desc in allFlags:
609 if not compound:
610 print >>f, " '%s'," % flag
611 print >>f, " ]"
612 print >>f
613
614 print >>f, 'compoundFlags = ['
615 print >>f, " 'All',"
616 for flag, compound, desc in allFlags:
617 if compound:
618 print >>f, " '%s'," % flag
619 print >>f, " ]"
620 print >>f
621
622 print >>f, "allFlags = frozenset(baseFlags + compoundFlags)"
623 print >>f
624
625 print >>f, 'compoundFlagMap = {'
626 all = tuple([flag for flag,compound,desc in allFlags if not compound])
627 print >>f, " 'All' : %s," % (all, )
628 for flag, compound, desc in allFlags:
629 if compound:
630 print >>f, " '%s' : %s," % (flag, compound)
631 print >>f, " }"
632 print >>f
633
634 print >>f, 'flagDescriptions = {'
635 print >>f, " 'All' : 'All flags',"
636 for flag, compound, desc in allFlags:
637 print >>f, " '%s' : '%s'," % (flag, desc)
638 print >>f, " }"
639
640 f.close()
641
642def traceFlagsCC(target, source, env):
643 assert(len(target) == 1)
644
645 f = file(str(target[0]), 'w')
646
647 allFlags = []
648 for s in source:
649 val = eval(s.get_contents())
650 allFlags.append(val)
651
652 # file header
653 print >>f, '''
654/*
655 * DO NOT EDIT THIS FILE! Automatically generated
656 */
657
658#include "base/traceflags.hh"
659
660using namespace Trace;
661
662const char *Trace::flagStrings[] =
663{'''
664
665 # The string array is used by SimpleEnumParam to map the strings
666 # provided by the user to enum values.
667 for flag, compound, desc in allFlags:
668 if not compound:
669 print >>f, ' "%s",' % flag
670
671 print >>f, ' "All",'
672 for flag, compound, desc in allFlags:
673 if compound:
674 print >>f, ' "%s",' % flag
675
676 print >>f, '};'
677 print >>f
678 print >>f, 'const int Trace::numFlagStrings = %d;' % (len(allFlags) + 1)
679 print >>f
680
681 #
682 # Now define the individual compound flag arrays. There is an array
683 # for each compound flag listing the component base flags.
684 #
685 all = tuple([flag for flag,compound,desc in allFlags if not compound])
686 print >>f, 'static const Flags AllMap[] = {'
687 for flag, compound, desc in allFlags:
688 if not compound:
689 print >>f, " %s," % flag
690 print >>f, '};'
691 print >>f
692
693 for flag, compound, desc in allFlags:
694 if not compound:
695 continue
696 print >>f, 'static const Flags %sMap[] = {' % flag
697 for flag in compound:
698 print >>f, " %s," % flag
699 print >>f, " (Flags)-1"
700 print >>f, '};'
701 print >>f
702
703 #
704 # Finally the compoundFlags[] array maps the compound flags
705 # to their individual arrays/
706 #
707 print >>f, 'const Flags *Trace::compoundFlags[] ='
708 print >>f, '{'
709 print >>f, ' AllMap,'
710 for flag, compound, desc in allFlags:
711 if compound:
712 print >>f, ' %sMap,' % flag
713 # file trailer
714 print >>f, '};'
715
716 f.close()
717
718def traceFlagsHH(target, source, env):
719 assert(len(target) == 1)
720
721 f = file(str(target[0]), 'w')
722
723 allFlags = []
724 for s in source:
725 val = eval(s.get_contents())
726 allFlags.append(val)
727
728 # file header boilerplate
729 print >>f, '''
730/*
731 * DO NOT EDIT THIS FILE!
732 *
733 * Automatically generated from traceflags.py
734 */
735
736#ifndef __BASE_TRACE_FLAGS_HH__
737#define __BASE_TRACE_FLAGS_HH__
738
739namespace Trace {
740
741enum Flags {'''
742
743 # Generate the enum. Base flags come first, then compound flags.
744 idx = 0
745 for flag, compound, desc in allFlags:
746 if not compound:
747 print >>f, ' %s = %d,' % (flag, idx)
748 idx += 1
749
750 numBaseFlags = idx
751 print >>f, ' NumFlags = %d,' % idx
752
753 # put a comment in here to separate base from compound flags
754 print >>f, '''
755// The remaining enum values are *not* valid indices for Trace::flags.
756// They are "compound" flags, which correspond to sets of base
757// flags, and are used by changeFlag.'''
758
759 print >>f, ' All = %d,' % idx
760 idx += 1
761 for flag, compound, desc in allFlags:
762 if compound:
763 print >>f, ' %s = %d,' % (flag, idx)
764 idx += 1
765
766 numCompoundFlags = idx - numBaseFlags
767 print >>f, ' NumCompoundFlags = %d' % numCompoundFlags
768
769 # trailer boilerplate
770 print >>f, '''\
771}; // enum Flags
772
773// Array of strings for SimpleEnumParam
774extern const char *flagStrings[];
775extern const int numFlagStrings;
776
777// Array of arraay pointers: for each compound flag, gives the list of
778// base flags to set. Inidividual flag arrays are terminated by -1.
779extern const Flags *compoundFlags[];
780
781/* namespace Trace */ }
782
783#endif // __BASE_TRACE_FLAGS_HH__
784'''
785
786 f.close()
787
788flags = [ Value(f) for f in trace_flags ]
789env.Command('base/traceflags.py', flags, traceFlagsPy)
790PySource('m5', 'base/traceflags.py')
791
792env.Command('base/traceflags.hh', flags, traceFlagsHH)
793env.Command('base/traceflags.cc', flags, traceFlagsCC)
794Source('base/traceflags.cc')
795
796# Generate program_info.cc
797def programInfo(target, source, env):
798 def gen_file(target, rev, node, date):
799 pi_stats = file(target, 'w')
800 print >>pi_stats, 'const char *hgRev = "%s:%s";' % (rev, node)
801 print >>pi_stats, 'const char *hgDate = "%s";' % date
802 pi_stats.close()
803
804 target = str(target[0])
805 scons_dir = str(source[0].get_contents())
806 try:
807 import mercurial.demandimport, mercurial.hg, mercurial.ui
808 import mercurial.util, mercurial.node
809 if not exists(scons_dir) or not isdir(scons_dir) or \
810 not exists(joinpath(scons_dir, ".hg")):
811 raise ValueError
812 repo = mercurial.hg.repository(mercurial.ui.ui(), scons_dir)
813 rev = mercurial.node.nullrev + repo.changelog.count()
814 changenode = repo.changelog.node(rev)
815 changes = repo.changelog.read(changenode)
816 date = mercurial.util.datestr(changes[2])
817
818 gen_file(target, rev, mercurial.node.hex(changenode), date)
819
820 mercurial.demandimport.disable()
821 except ImportError:
822 gen_file(target, "Unknown", "Unknown", "Unknown")
823
824 except:
825 print "in except"
826 gen_file(target, "Unknown", "Unknown", "Unknown")
827 mercurial.demandimport.disable()
828
829env.Command('base/program_info.cc',
830 Value(str(SCons.Node.FS.default_fs.SConstruct_dir)),
831 programInfo)
832
833# embed python files. All .py files that have been indicated by a
834# PySource() call in a SConscript need to be embedded into the M5
835# library. To do that, we compile the file to byte code, marshal the
836# byte code, compress it, and then generate an assembly file that
837# inserts the result into the data section with symbols indicating the
838# beginning, and end (and with the size at the end)
839py_sources_tnodes = {}
840for pysource in py_sources:
841 py_sources_tnodes[pysource.tnode] = pysource
842
843def objectifyPyFile(target, source, env):
844 '''Action function to compile a .py into a code object, marshal
845 it, compress it, and stick it into an asm file so the code appears
846 as just bytes with a label in the data section'''
847
848 src = file(str(source[0]), 'r').read()
849 dst = file(str(target[0]), 'w')
850
851 pysource = py_sources_tnodes[source[0]]
| 94 self.compiled = File(filename + 'c')
95 self.assembly = File(filename + '.s')
96 self.symname = "PyEMB_" + self.invalid_sym_char.sub('_', modpath)
97
98
99########################################################################
100# Code for adding source files of various types
101#
102cc_lib_sources = []
103def Source(source):
104 '''Add a source file to the libm5 build'''
105 if not isinstance(source, SCons.Node.FS.File):
106 source = File(source)
107
108 cc_lib_sources.append(source)
109
110cc_bin_sources = []
111def 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)
115
116 cc_bin_sources.append(source)
117
118py_sources = []
119def 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)
123
124 source = PySourceFile(package, source)
125 py_sources.append(source)
126
127sim_objects_fixed = False
128sim_object_modfiles = set()
129def SimObject(source):
130 '''Add a SimObject python file as a python source object and add
131 it to a list of sim object modules'''
132
133 if sim_objects_fixed:
134 raise AttributeError, "Too late to call SimObject now."
135
136 if not isinstance(source, SCons.Node.FS.File):
137 source = File(source)
138
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)
144
145swig_sources = []
146def SwigSource(package, source):
147 '''Add a swig file to build'''
148 if not isinstance(source, SCons.Node.FS.File):
149 source = File(source)
150 val = source,package
151 swig_sources.append(val)
152
153unit_tests = []
154def UnitTest(target, sources):
155 if not isinstance(sources, (list, tuple)):
156 sources = [ sources ]
157
158 srcs = []
159 for source in sources:
160 if not isinstance(source, SCons.Node.FS.File):
161 source = File(source)
162 srcs.append(source)
163
164 unit_tests.append((target, srcs))
165
166# Children should have access
167Export('Source')
168Export('BinSource')
169Export('PySource')
170Export('SimObject')
171Export('SwigSource')
172Export('UnitTest')
173
174########################################################################
175#
176# Trace Flags
177#
178all_flags = {}
179trace_flags = []
180def TraceFlag(name, desc=''):
181 if name in all_flags:
182 raise AttributeError, "Flag %s already specified" % name
183 flag = (name, (), desc)
184 trace_flags.append(flag)
185 all_flags[name] = ()
186
187def CompoundFlag(name, flags, desc=''):
188 if name in all_flags:
189 raise AttributeError, "Flag %s already specified" % name
190
191 compound = tuple(flags)
192 for flag in compound:
193 if flag not in all_flags:
194 raise AttributeError, "Trace flag %s not found" % flag
195 if all_flags[flag]:
196 raise AttributeError, \
197 "Compound flag can't point to another compound flag"
198
199 flag = (name, compound, desc)
200 trace_flags.append(flag)
201 all_flags[name] = compound
202
203Export('TraceFlag')
204Export('CompoundFlag')
205
206########################################################################
207#
208# Set some compiler variables
209#
210
211# Include file paths are rooted in this directory. SCons will
212# automatically expand '.' to refer to both the source directory and
213# the corresponding build directory to pick up generated include
214# files.
215env.Append(CPPPATH=Dir('.'))
216
217# Add a flag defining what THE_ISA should be for all compilation
218env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())])
219
220########################################################################
221#
222# Walk the tree and execute all SConscripts in subdirectories
223#
224
225for base_dir in base_dir_list:
226 here = Dir('.').srcnode().abspath
227 for root, dirs, files in os.walk(base_dir, topdown=True):
228 if root == here:
229 # we don't want to recurse back into this SConscript
230 continue
231
232 if 'SConscript' in files:
233 build_dir = joinpath(env['BUILDDIR'], root[len(base_dir) + 1:])
234 SConscript(joinpath(root, 'SConscript'), build_dir=build_dir)
235
236for opt in env.ExportOptions:
237 env.ConfigFile(opt)
238
239########################################################################
240#
241# Prevent any SimObjects from being added after this point, they
242# should all have been added in the SConscripts above
243#
244class DictImporter(object):
245 '''This importer takes a dictionary of arbitrary module names that
246 map to arbitrary filenames.'''
247 def __init__(self, modules):
248 self.modules = modules
249 self.installed = set()
250
251 def __del__(self):
252 self.unload()
253
254 def unload(self):
255 import sys
256 for module in self.installed:
257 del sys.modules[module]
258 self.installed = set()
259
260 def find_module(self, fullname, path):
261 if fullname == '__scons':
262 return self
263
264 if fullname == 'm5.objects':
265 return self
266
267 if fullname.startswith('m5.internal'):
268 return None
269
270 if fullname in self.modules and exists(self.modules[fullname]):
271 return self
272
273 return None
274
275 def load_module(self, fullname):
276 mod = imp.new_module(fullname)
277 sys.modules[fullname] = mod
278 self.installed.add(fullname)
279
280 mod.__loader__ = self
281 if fullname == 'm5.objects':
282 mod.__path__ = fullname.split('.')
283 return mod
284
285 if fullname == '__scons':
286 mod.__dict__['m5_build_env'] = build_env
287 return mod
288
289 srcfile = self.modules[fullname]
290 if basename(srcfile) == '__init__.py':
291 mod.__path__ = fullname.split('.')
292 mod.__file__ = srcfile
293
294 exec file(srcfile, 'r') in mod.__dict__
295
296 return mod
297
298py_modules = {}
299for source in py_sources:
300 py_modules[source.modpath] = source.snode.abspath
301
302# install the python importer so we can grab stuff from the source
303# tree itself. We can't have SimObjects added after this point or
304# else we won't know about them for the rest of the stuff.
305sim_objects_fixed = True
306importer = DictImporter(py_modules)
307sys.meta_path[0:0] = [ importer ]
308
309import m5
310
311# import all sim objects so we can populate the all_objects list
312# make sure that we're working with a list, then let's sort it
313sim_objects = list(sim_object_modfiles)
314sim_objects.sort()
315for simobj in sim_objects:
316 exec('from m5.objects import %s' % simobj)
317
318# we need to unload all of the currently imported modules so that they
319# will be re-imported the next time the sconscript is run
320importer.unload()
321sys.meta_path.remove(importer)
322
323sim_objects = m5.SimObject.allClasses
324all_enums = m5.params.allEnums
325
326all_params = {}
327for name,obj in sim_objects.iteritems():
328 for param in obj._params.local.values():
329 if not hasattr(param, 'swig_decl'):
330 continue
331 pname = param.ptype_str
332 if pname not in all_params:
333 all_params[pname] = param
334
335########################################################################
336#
337# calculate extra dependencies
338#
339module_depends = ["m5", "m5.SimObject", "m5.params"]
340depends = [ File(py_modules[dep]) for dep in module_depends ]
341
342########################################################################
343#
344# Commands for the basic automatically generated python files
345#
346
347# Generate Python file containing a dict specifying the current
348# build_env flags.
349def makeDefinesPyFile(target, source, env):
350 f = file(str(target[0]), 'w')
351 print >>f, "m5_build_env = ", source[0]
352 f.close()
353
354# Generate python file containing info about the M5 source code
355def makeInfoPyFile(target, source, env):
356 f = file(str(target[0]), 'w')
357 for src in source:
358 data = ''.join(file(src.srcnode().abspath, 'r').xreadlines())
359 print >>f, "%s = %s" % (src, repr(data))
360 f.close()
361
362# Generate the __init__.py file for m5.objects
363def makeObjectsInitFile(target, source, env):
364 f = file(str(target[0]), 'w')
365 print >>f, 'from params import *'
366 print >>f, 'from m5.SimObject import *'
367 for module in source:
368 print >>f, 'from %s import *' % module.get_contents()
369 f.close()
370
371# Generate a file with all of the compile options in it
372env.Command('python/m5/defines.py', Value(build_env), makeDefinesPyFile)
373PySource('m5', 'python/m5/defines.py')
374
375# Generate a file that wraps the basic top level files
376env.Command('python/m5/info.py',
377 [ '#/AUTHORS', '#/LICENSE', '#/README', '#/RELEASE_NOTES' ],
378 makeInfoPyFile)
379PySource('m5', 'python/m5/info.py')
380
381# Generate an __init__.py file for the objects package
382env.Command('python/m5/objects/__init__.py',
383 [ Value(o) for o in sort_list(sim_object_modfiles) ],
384 makeObjectsInitFile)
385PySource('m5.objects', 'python/m5/objects/__init__.py')
386
387########################################################################
388#
389# Create all of the SimObject param headers and enum headers
390#
391
392def createSimObjectParam(target, source, env):
393 assert len(target) == 1 and len(source) == 1
394
395 hh_file = file(target[0].abspath, 'w')
396 name = str(source[0].get_contents())
397 obj = sim_objects[name]
398
399 print >>hh_file, obj.cxx_decl()
400
401def createSwigParam(target, source, env):
402 assert len(target) == 1 and len(source) == 1
403
404 i_file = file(target[0].abspath, 'w')
405 name = str(source[0].get_contents())
406 param = all_params[name]
407
408 for line in param.swig_decl():
409 print >>i_file, line
410
411def createEnumStrings(target, source, env):
412 assert len(target) == 1 and len(source) == 1
413
414 cc_file = file(target[0].abspath, 'w')
415 name = str(source[0].get_contents())
416 obj = all_enums[name]
417
418 print >>cc_file, obj.cxx_def()
419 cc_file.close()
420
421def createEnumParam(target, source, env):
422 assert len(target) == 1 and len(source) == 1
423
424 hh_file = file(target[0].abspath, 'w')
425 name = str(source[0].get_contents())
426 obj = all_enums[name]
427
428 print >>hh_file, obj.cxx_decl()
429
430# Generate all of the SimObject param struct header files
431params_hh_files = []
432for name,simobj in sim_objects.iteritems():
433 extra_deps = [ File(py_modules[simobj.__module__]) ]
434
435 hh_file = File('params/%s.hh' % name)
436 params_hh_files.append(hh_file)
437 env.Command(hh_file, Value(name), createSimObjectParam)
438 env.Depends(hh_file, depends + extra_deps)
439
440# Generate any parameter header files needed
441params_i_files = []
442for name,param in all_params.iteritems():
443 if isinstance(param, m5.params.VectorParamDesc):
444 ext = 'vptype'
445 else:
446 ext = 'ptype'
447
448 i_file = File('params/%s_%s.i' % (name, ext))
449 params_i_files.append(i_file)
450 env.Command(i_file, Value(name), createSwigParam)
451 env.Depends(i_file, depends)
452
453# Generate all enum header files
454for name,enum in all_enums.iteritems():
455 extra_deps = [ File(py_modules[enum.__module__]) ]
456
457 cc_file = File('enums/%s.cc' % name)
458 env.Command(cc_file, Value(name), createEnumStrings)
459 env.Depends(cc_file, depends + extra_deps)
460 Source(cc_file)
461
462 hh_file = File('enums/%s.hh' % name)
463 env.Command(hh_file, Value(name), createEnumParam)
464 env.Depends(hh_file, depends + extra_deps)
465
466# Build the big monolithic swigged params module (wraps all SimObject
467# param structs and enum structs)
468def buildParams(target, source, env):
469 names = [ s.get_contents() for s in source ]
470 objs = [ sim_objects[name] for name in names ]
471 out = file(target[0].abspath, 'w')
472
473 ordered_objs = []
474 obj_seen = set()
475 def order_obj(obj):
476 name = str(obj)
477 if name in obj_seen:
478 return
479
480 obj_seen.add(name)
481 if str(obj) != 'SimObject':
482 order_obj(obj.__bases__[0])
483
484 ordered_objs.append(obj)
485
486 for obj in objs:
487 order_obj(obj)
488
489 enums = set()
490 predecls = []
491 pd_seen = set()
492
493 def add_pds(*pds):
494 for pd in pds:
495 if pd not in pd_seen:
496 predecls.append(pd)
497 pd_seen.add(pd)
498
499 for obj in ordered_objs:
500 params = obj._params.local.values()
501 for param in params:
502 ptype = param.ptype
503 if issubclass(ptype, m5.params.Enum):
504 if ptype not in enums:
505 enums.add(ptype)
506 pds = param.swig_predecls()
507 if isinstance(pds, (list, tuple)):
508 add_pds(*pds)
509 else:
510 add_pds(pds)
511
512 print >>out, '%module params'
513
514 print >>out, '%{'
515 for obj in ordered_objs:
516 print >>out, '#include "params/%s.hh"' % obj
517 print >>out, '%}'
518
519 for pd in predecls:
520 print >>out, pd
521
522 enums = list(enums)
523 enums.sort()
524 for enum in enums:
525 print >>out, '%%include "enums/%s.hh"' % enum.__name__
526 print >>out
527
528 for obj in ordered_objs:
529 if obj.swig_objdecls:
530 for decl in obj.swig_objdecls:
531 print >>out, decl
532 continue
533
534 code = ''
535 base = obj.get_base()
536
537 code += '// stop swig from creating/wrapping default ctor/dtor\n'
538 code += '%%nodefault %s;\n' % obj.cxx_class
539 code += 'class %s ' % obj.cxx_class
540 if base:
541 code += ': public %s' % base
542 code += ' {};\n'
543
544 klass = obj.cxx_class;
545 if hasattr(obj, 'cxx_namespace'):
546 new_code = 'namespace %s {\n' % obj.cxx_namespace
547 new_code += code
548 new_code += '}\n'
549 code = new_code
550 klass = '%s::%s' % (obj.cxx_namespace, klass)
551
552 print >>out, code
553
554 print >>out, '%%include "src/sim/sim_object_params.hh"' % obj
555 for obj in ordered_objs:
556 print >>out, '%%include "params/%s.hh"' % obj
557
558params_file = File('params/params.i')
559names = sort_list(sim_objects.keys())
560env.Command(params_file, [ Value(v) for v in names ], buildParams)
561env.Depends(params_file, params_hh_files + params_i_files + depends)
562SwigSource('m5.objects', params_file)
563
564# Build all swig modules
565swig_modules = []
566cc_swig_sources = []
567for source,package in swig_sources:
568 filename = str(source)
569 assert filename.endswith('.i')
570
571 base = '.'.join(filename.split('.')[:-1])
572 module = basename(base)
573 cc_file = base + '_wrap.cc'
574 py_file = base + '.py'
575
576 env.Command([cc_file, py_file], source,
577 '$SWIG $SWIGFLAGS -outdir ${TARGETS[1].dir} '
578 '-o ${TARGETS[0]} $SOURCES')
579 env.Depends(py_file, source)
580 env.Depends(cc_file, source)
581
582 swig_modules.append(Value(module))
583 cc_swig_sources.append(File(cc_file))
584 PySource(package, py_file)
585
586# Generate the main swig init file
587def makeSwigInit(target, source, env):
588 f = file(str(target[0]), 'w')
589 print >>f, 'extern "C" {'
590 for module in source:
591 print >>f, ' void init_%s();' % module.get_contents()
592 print >>f, '}'
593 print >>f, 'void initSwig() {'
594 for module in source:
595 print >>f, ' init_%s();' % module.get_contents()
596 print >>f, '}'
597 f.close()
598
599env.Command('python/swig/init.cc', swig_modules, makeSwigInit)
600Source('python/swig/init.cc')
601
602# Generate traceflags.py
603def traceFlagsPy(target, source, env):
604 assert(len(target) == 1)
605
606 f = file(str(target[0]), 'w')
607
608 allFlags = []
609 for s in source:
610 val = eval(s.get_contents())
611 allFlags.append(val)
612
613 print >>f, 'baseFlags = ['
614 for flag, compound, desc in allFlags:
615 if not compound:
616 print >>f, " '%s'," % flag
617 print >>f, " ]"
618 print >>f
619
620 print >>f, 'compoundFlags = ['
621 print >>f, " 'All',"
622 for flag, compound, desc in allFlags:
623 if compound:
624 print >>f, " '%s'," % flag
625 print >>f, " ]"
626 print >>f
627
628 print >>f, "allFlags = frozenset(baseFlags + compoundFlags)"
629 print >>f
630
631 print >>f, 'compoundFlagMap = {'
632 all = tuple([flag for flag,compound,desc in allFlags if not compound])
633 print >>f, " 'All' : %s," % (all, )
634 for flag, compound, desc in allFlags:
635 if compound:
636 print >>f, " '%s' : %s," % (flag, compound)
637 print >>f, " }"
638 print >>f
639
640 print >>f, 'flagDescriptions = {'
641 print >>f, " 'All' : 'All flags',"
642 for flag, compound, desc in allFlags:
643 print >>f, " '%s' : '%s'," % (flag, desc)
644 print >>f, " }"
645
646 f.close()
647
648def traceFlagsCC(target, source, env):
649 assert(len(target) == 1)
650
651 f = file(str(target[0]), 'w')
652
653 allFlags = []
654 for s in source:
655 val = eval(s.get_contents())
656 allFlags.append(val)
657
658 # file header
659 print >>f, '''
660/*
661 * DO NOT EDIT THIS FILE! Automatically generated
662 */
663
664#include "base/traceflags.hh"
665
666using namespace Trace;
667
668const char *Trace::flagStrings[] =
669{'''
670
671 # The string array is used by SimpleEnumParam to map the strings
672 # provided by the user to enum values.
673 for flag, compound, desc in allFlags:
674 if not compound:
675 print >>f, ' "%s",' % flag
676
677 print >>f, ' "All",'
678 for flag, compound, desc in allFlags:
679 if compound:
680 print >>f, ' "%s",' % flag
681
682 print >>f, '};'
683 print >>f
684 print >>f, 'const int Trace::numFlagStrings = %d;' % (len(allFlags) + 1)
685 print >>f
686
687 #
688 # Now define the individual compound flag arrays. There is an array
689 # for each compound flag listing the component base flags.
690 #
691 all = tuple([flag for flag,compound,desc in allFlags if not compound])
692 print >>f, 'static const Flags AllMap[] = {'
693 for flag, compound, desc in allFlags:
694 if not compound:
695 print >>f, " %s," % flag
696 print >>f, '};'
697 print >>f
698
699 for flag, compound, desc in allFlags:
700 if not compound:
701 continue
702 print >>f, 'static const Flags %sMap[] = {' % flag
703 for flag in compound:
704 print >>f, " %s," % flag
705 print >>f, " (Flags)-1"
706 print >>f, '};'
707 print >>f
708
709 #
710 # Finally the compoundFlags[] array maps the compound flags
711 # to their individual arrays/
712 #
713 print >>f, 'const Flags *Trace::compoundFlags[] ='
714 print >>f, '{'
715 print >>f, ' AllMap,'
716 for flag, compound, desc in allFlags:
717 if compound:
718 print >>f, ' %sMap,' % flag
719 # file trailer
720 print >>f, '};'
721
722 f.close()
723
724def traceFlagsHH(target, source, env):
725 assert(len(target) == 1)
726
727 f = file(str(target[0]), 'w')
728
729 allFlags = []
730 for s in source:
731 val = eval(s.get_contents())
732 allFlags.append(val)
733
734 # file header boilerplate
735 print >>f, '''
736/*
737 * DO NOT EDIT THIS FILE!
738 *
739 * Automatically generated from traceflags.py
740 */
741
742#ifndef __BASE_TRACE_FLAGS_HH__
743#define __BASE_TRACE_FLAGS_HH__
744
745namespace Trace {
746
747enum Flags {'''
748
749 # Generate the enum. Base flags come first, then compound flags.
750 idx = 0
751 for flag, compound, desc in allFlags:
752 if not compound:
753 print >>f, ' %s = %d,' % (flag, idx)
754 idx += 1
755
756 numBaseFlags = idx
757 print >>f, ' NumFlags = %d,' % idx
758
759 # put a comment in here to separate base from compound flags
760 print >>f, '''
761// The remaining enum values are *not* valid indices for Trace::flags.
762// They are "compound" flags, which correspond to sets of base
763// flags, and are used by changeFlag.'''
764
765 print >>f, ' All = %d,' % idx
766 idx += 1
767 for flag, compound, desc in allFlags:
768 if compound:
769 print >>f, ' %s = %d,' % (flag, idx)
770 idx += 1
771
772 numCompoundFlags = idx - numBaseFlags
773 print >>f, ' NumCompoundFlags = %d' % numCompoundFlags
774
775 # trailer boilerplate
776 print >>f, '''\
777}; // enum Flags
778
779// Array of strings for SimpleEnumParam
780extern const char *flagStrings[];
781extern const int numFlagStrings;
782
783// Array of arraay pointers: for each compound flag, gives the list of
784// base flags to set. Inidividual flag arrays are terminated by -1.
785extern const Flags *compoundFlags[];
786
787/* namespace Trace */ }
788
789#endif // __BASE_TRACE_FLAGS_HH__
790'''
791
792 f.close()
793
794flags = [ Value(f) for f in trace_flags ]
795env.Command('base/traceflags.py', flags, traceFlagsPy)
796PySource('m5', 'base/traceflags.py')
797
798env.Command('base/traceflags.hh', flags, traceFlagsHH)
799env.Command('base/traceflags.cc', flags, traceFlagsCC)
800Source('base/traceflags.cc')
801
802# Generate program_info.cc
803def programInfo(target, source, env):
804 def gen_file(target, rev, node, date):
805 pi_stats = file(target, 'w')
806 print >>pi_stats, 'const char *hgRev = "%s:%s";' % (rev, node)
807 print >>pi_stats, 'const char *hgDate = "%s";' % date
808 pi_stats.close()
809
810 target = str(target[0])
811 scons_dir = str(source[0].get_contents())
812 try:
813 import mercurial.demandimport, mercurial.hg, mercurial.ui
814 import mercurial.util, mercurial.node
815 if not exists(scons_dir) or not isdir(scons_dir) or \
816 not exists(joinpath(scons_dir, ".hg")):
817 raise ValueError
818 repo = mercurial.hg.repository(mercurial.ui.ui(), scons_dir)
819 rev = mercurial.node.nullrev + repo.changelog.count()
820 changenode = repo.changelog.node(rev)
821 changes = repo.changelog.read(changenode)
822 date = mercurial.util.datestr(changes[2])
823
824 gen_file(target, rev, mercurial.node.hex(changenode), date)
825
826 mercurial.demandimport.disable()
827 except ImportError:
828 gen_file(target, "Unknown", "Unknown", "Unknown")
829
830 except:
831 print "in except"
832 gen_file(target, "Unknown", "Unknown", "Unknown")
833 mercurial.demandimport.disable()
834
835env.Command('base/program_info.cc',
836 Value(str(SCons.Node.FS.default_fs.SConstruct_dir)),
837 programInfo)
838
839# embed python files. All .py files that have been indicated by a
840# PySource() call in a SConscript need to be embedded into the M5
841# library. To do that, we compile the file to byte code, marshal the
842# byte code, compress it, and then generate an assembly file that
843# inserts the result into the data section with symbols indicating the
844# beginning, and end (and with the size at the end)
845py_sources_tnodes = {}
846for pysource in py_sources:
847 py_sources_tnodes[pysource.tnode] = pysource
848
849def objectifyPyFile(target, source, env):
850 '''Action function to compile a .py into a code object, marshal
851 it, compress it, and stick it into an asm file so the code appears
852 as just bytes with a label in the data section'''
853
854 src = file(str(source[0]), 'r').read()
855 dst = file(str(target[0]), 'w')
856
857 pysource = py_sources_tnodes[source[0]]
|
853 marshalled = marshal.dumps(compiled)
854 compressed = zlib.compress(marshalled)
855 data = compressed
856
857 # Some C/C++ compilers prepend an underscore to global symbol
858 # names, so if they're going to do that, we need to prepend that
859 # leading underscore to globals in the assembly file.
860 if env['LEADING_UNDERSCORE']:
861 sym = '_' + pysource.symname
862 else:
863 sym = pysource.symname
864
865 step = 16
866 print >>dst, ".data"
867 print >>dst, ".globl %s_beg" % sym
868 print >>dst, ".globl %s_end" % sym
869 print >>dst, "%s_beg:" % sym
870 for i in xrange(0, len(data), step):
871 x = array.array('B', data[i:i+step])
872 print >>dst, ".byte", ','.join([str(d) for d in x])
873 print >>dst, "%s_end:" % sym
874 print >>dst, ".long %d" % len(marshalled)
875
876for source in py_sources:
877 env.Command(source.assembly, source.tnode, objectifyPyFile)
878 Source(source.assembly)
879
880# Generate init_python.cc which creates a bunch of EmbeddedPyModule
881# structs that describe the embedded python code. One such struct
882# contains information about the importer that python uses to get at
883# the embedded files, and then there's a list of all of the rest that
884# the importer uses to load the rest on demand.
885py_sources_symbols = {}
886for pysource in py_sources:
887 py_sources_symbols[pysource.symname] = pysource
888def pythonInit(target, source, env):
889 dst = file(str(target[0]), 'w')
890
891 def dump_mod(sym, endchar=','):
892 pysource = py_sources_symbols[sym]
893 print >>dst, ' { "%s",' % pysource.arcname
894 print >>dst, ' "%s",' % pysource.modpath
895 print >>dst, ' %s_beg, %s_end,' % (sym, sym)
896 print >>dst, ' %s_end - %s_beg,' % (sym, sym)
897 print >>dst, ' *(int *)%s_end }%s' % (sym, endchar)
898
899 print >>dst, '#include "sim/init.hh"'
900
901 for sym in source:
902 sym = sym.get_contents()
903 print >>dst, "extern const char %s_beg[], %s_end[];" % (sym, sym)
904
905 print >>dst, "const EmbeddedPyModule embeddedPyImporter = "
906 dump_mod("PyEMB_importer", endchar=';');
907 print >>dst
908
909 print >>dst, "const EmbeddedPyModule embeddedPyModules[] = {"
910 for i,sym in enumerate(source):
911 sym = sym.get_contents()
912 if sym == "PyEMB_importer":
913 # Skip the importer since we've already exported it
914 continue
915 dump_mod(sym)
916 print >>dst, " { 0, 0, 0, 0, 0, 0 }"
917 print >>dst, "};"
918
919symbols = [Value(s.symname) for s in py_sources]
920env.Command('sim/init_python.cc', symbols, pythonInit)
921Source('sim/init_python.cc')
922
923########################################################################
924#
925# Define binaries. Each different build type (debug, opt, etc.) gets
926# a slightly different build environment.
927#
928
929# List of constructed environments to pass back to SConstruct
930envList = []
931
932# This function adds the specified sources to the given build
933# environment, and returns a list of all the corresponding SCons
934# Object nodes (including an extra one for date.cc). We explicitly
935# add the Object nodes so we can set up special dependencies for
936# date.cc.
937def make_objs(sources, env, static):
938 if static:
939 XObject = env.StaticObject
940 else:
941 XObject = env.SharedObject
942
943 objs = [ XObject(s) for s in sources ]
944
945 # make date.cc depend on all other objects so it always gets
946 # recompiled whenever anything else does
947 date_obj = XObject('base/date.cc')
948
949 # Make the generation of program_info.cc dependend on all
950 # the other cc files and the compiling of program_info.cc
951 # dependent on all the objects but program_info.o
952 pinfo_obj = XObject('base/program_info.cc')
953 env.Depends('base/program_info.cc', sources)
954 env.Depends(date_obj, objs)
955 env.Depends(pinfo_obj, objs)
956 objs.extend([date_obj, pinfo_obj])
957 return objs
958
959# Function to create a new build environment as clone of current
960# environment 'env' with modified object suffix and optional stripped
961# binary. Additional keyword arguments are appended to corresponding
962# build environment vars.
963def makeEnv(label, objsfx, strip = False, **kwargs):
964 # SCons doesn't know to append a library suffix when there is a '.' in the
965 # name. Use '_' instead.
966 libname = 'm5_' + label
967 exename = 'm5.' + label
968
969 new_env = env.Copy(OBJSUFFIX=objsfx, SHOBJSUFFIX=objsfx + 's')
970 new_env.Label = label
971 new_env.Append(**kwargs)
972
973 swig_env = new_env.Copy()
974 if env['GCC']:
975 swig_env.Append(CCFLAGS='-Wno-uninitialized')
976 swig_env.Append(CCFLAGS='-Wno-sign-compare')
977 swig_env.Append(CCFLAGS='-Wno-parentheses')
978
979 static_objs = make_objs(cc_lib_sources, new_env, static=True)
980 shared_objs = make_objs(cc_lib_sources, new_env, static=False)
981 static_objs += [ swig_env.StaticObject(s) for s in cc_swig_sources ]
982 shared_objs += [ swig_env.SharedObject(s) for s in cc_swig_sources ]
983
984 # First make a library of everything but main() so other programs can
985 # link against m5.
986 static_lib = new_env.StaticLibrary(libname, static_objs + static_objs)
987 shared_lib = new_env.SharedLibrary(libname, shared_objs + shared_objs)
988
989 for target, sources in unit_tests:
990 objs = [ new_env.StaticObject(s) for s in sources ]
991 new_env.Program("unittest/%s.%s" % (target, label), objs + static_lib)
992
993 # Now link a stub with main() and the static library.
994 objects = [new_env.Object(s) for s in cc_bin_sources] + static_lib
995 if strip:
996 unstripped_exe = exename + '.unstripped'
997 new_env.Program(unstripped_exe, objects)
998 if sys.platform == 'sunos5':
999 cmd = 'cp $SOURCE $TARGET; strip $TARGET'
1000 else:
1001 cmd = 'strip $SOURCE -o $TARGET'
1002 targets = new_env.Command(exename, unstripped_exe, cmd)
1003 else:
1004 targets = new_env.Program(exename, objects)
1005
1006 new_env.M5Binary = targets[0]
1007 envList.append(new_env)
1008
1009# Debug binary
1010ccflags = {}
1011if env['GCC']:
1012 if sys.platform == 'sunos5':
1013 ccflags['debug'] = '-gstabs+'
1014 else:
1015 ccflags['debug'] = '-ggdb3'
1016 ccflags['opt'] = '-g -O3'
1017 ccflags['fast'] = '-O3'
1018 ccflags['prof'] = '-O3 -g -pg'
1019elif env['SUNCC']:
1020 ccflags['debug'] = '-g0'
1021 ccflags['opt'] = '-g -O'
1022 ccflags['fast'] = '-fast'
1023 ccflags['prof'] = '-fast -g -pg'
1024elif env['ICC']:
1025 ccflags['debug'] = '-g -O0'
1026 ccflags['opt'] = '-g -O'
1027 ccflags['fast'] = '-fast'
1028 ccflags['prof'] = '-fast -g -pg'
1029else:
1030 print 'Unknown compiler, please fix compiler options'
1031 Exit(1)
1032
1033makeEnv('debug', '.do',
1034 CCFLAGS = Split(ccflags['debug']),
1035 CPPDEFINES = ['DEBUG', 'TRACING_ON=1'])
1036
1037# Optimized binary
1038makeEnv('opt', '.o',
1039 CCFLAGS = Split(ccflags['opt']),
1040 CPPDEFINES = ['TRACING_ON=1'])
1041
1042# "Fast" binary
1043makeEnv('fast', '.fo', strip = True,
1044 CCFLAGS = Split(ccflags['fast']),
1045 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'])
1046
1047# Profiled binary
1048makeEnv('prof', '.po',
1049 CCFLAGS = Split(ccflags['prof']),
1050 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
1051 LINKFLAGS = '-pg')
1052
1053Return('envList')
| 859 marshalled = marshal.dumps(compiled)
860 compressed = zlib.compress(marshalled)
861 data = compressed
862
863 # Some C/C++ compilers prepend an underscore to global symbol
864 # names, so if they're going to do that, we need to prepend that
865 # leading underscore to globals in the assembly file.
866 if env['LEADING_UNDERSCORE']:
867 sym = '_' + pysource.symname
868 else:
869 sym = pysource.symname
870
871 step = 16
872 print >>dst, ".data"
873 print >>dst, ".globl %s_beg" % sym
874 print >>dst, ".globl %s_end" % sym
875 print >>dst, "%s_beg:" % sym
876 for i in xrange(0, len(data), step):
877 x = array.array('B', data[i:i+step])
878 print >>dst, ".byte", ','.join([str(d) for d in x])
879 print >>dst, "%s_end:" % sym
880 print >>dst, ".long %d" % len(marshalled)
881
882for source in py_sources:
883 env.Command(source.assembly, source.tnode, objectifyPyFile)
884 Source(source.assembly)
885
886# Generate init_python.cc which creates a bunch of EmbeddedPyModule
887# structs that describe the embedded python code. One such struct
888# contains information about the importer that python uses to get at
889# the embedded files, and then there's a list of all of the rest that
890# the importer uses to load the rest on demand.
891py_sources_symbols = {}
892for pysource in py_sources:
893 py_sources_symbols[pysource.symname] = pysource
894def pythonInit(target, source, env):
895 dst = file(str(target[0]), 'w')
896
897 def dump_mod(sym, endchar=','):
898 pysource = py_sources_symbols[sym]
899 print >>dst, ' { "%s",' % pysource.arcname
900 print >>dst, ' "%s",' % pysource.modpath
901 print >>dst, ' %s_beg, %s_end,' % (sym, sym)
902 print >>dst, ' %s_end - %s_beg,' % (sym, sym)
903 print >>dst, ' *(int *)%s_end }%s' % (sym, endchar)
904
905 print >>dst, '#include "sim/init.hh"'
906
907 for sym in source:
908 sym = sym.get_contents()
909 print >>dst, "extern const char %s_beg[], %s_end[];" % (sym, sym)
910
911 print >>dst, "const EmbeddedPyModule embeddedPyImporter = "
912 dump_mod("PyEMB_importer", endchar=';');
913 print >>dst
914
915 print >>dst, "const EmbeddedPyModule embeddedPyModules[] = {"
916 for i,sym in enumerate(source):
917 sym = sym.get_contents()
918 if sym == "PyEMB_importer":
919 # Skip the importer since we've already exported it
920 continue
921 dump_mod(sym)
922 print >>dst, " { 0, 0, 0, 0, 0, 0 }"
923 print >>dst, "};"
924
925symbols = [Value(s.symname) for s in py_sources]
926env.Command('sim/init_python.cc', symbols, pythonInit)
927Source('sim/init_python.cc')
928
929########################################################################
930#
931# Define binaries. Each different build type (debug, opt, etc.) gets
932# a slightly different build environment.
933#
934
935# List of constructed environments to pass back to SConstruct
936envList = []
937
938# This function adds the specified sources to the given build
939# environment, and returns a list of all the corresponding SCons
940# Object nodes (including an extra one for date.cc). We explicitly
941# add the Object nodes so we can set up special dependencies for
942# date.cc.
943def make_objs(sources, env, static):
944 if static:
945 XObject = env.StaticObject
946 else:
947 XObject = env.SharedObject
948
949 objs = [ XObject(s) for s in sources ]
950
951 # make date.cc depend on all other objects so it always gets
952 # recompiled whenever anything else does
953 date_obj = XObject('base/date.cc')
954
955 # Make the generation of program_info.cc dependend on all
956 # the other cc files and the compiling of program_info.cc
957 # dependent on all the objects but program_info.o
958 pinfo_obj = XObject('base/program_info.cc')
959 env.Depends('base/program_info.cc', sources)
960 env.Depends(date_obj, objs)
961 env.Depends(pinfo_obj, objs)
962 objs.extend([date_obj, pinfo_obj])
963 return objs
964
965# Function to create a new build environment as clone of current
966# environment 'env' with modified object suffix and optional stripped
967# binary. Additional keyword arguments are appended to corresponding
968# build environment vars.
969def makeEnv(label, objsfx, strip = False, **kwargs):
970 # SCons doesn't know to append a library suffix when there is a '.' in the
971 # name. Use '_' instead.
972 libname = 'm5_' + label
973 exename = 'm5.' + label
974
975 new_env = env.Copy(OBJSUFFIX=objsfx, SHOBJSUFFIX=objsfx + 's')
976 new_env.Label = label
977 new_env.Append(**kwargs)
978
979 swig_env = new_env.Copy()
980 if env['GCC']:
981 swig_env.Append(CCFLAGS='-Wno-uninitialized')
982 swig_env.Append(CCFLAGS='-Wno-sign-compare')
983 swig_env.Append(CCFLAGS='-Wno-parentheses')
984
985 static_objs = make_objs(cc_lib_sources, new_env, static=True)
986 shared_objs = make_objs(cc_lib_sources, new_env, static=False)
987 static_objs += [ swig_env.StaticObject(s) for s in cc_swig_sources ]
988 shared_objs += [ swig_env.SharedObject(s) for s in cc_swig_sources ]
989
990 # First make a library of everything but main() so other programs can
991 # link against m5.
992 static_lib = new_env.StaticLibrary(libname, static_objs + static_objs)
993 shared_lib = new_env.SharedLibrary(libname, shared_objs + shared_objs)
994
995 for target, sources in unit_tests:
996 objs = [ new_env.StaticObject(s) for s in sources ]
997 new_env.Program("unittest/%s.%s" % (target, label), objs + static_lib)
998
999 # Now link a stub with main() and the static library.
1000 objects = [new_env.Object(s) for s in cc_bin_sources] + static_lib
1001 if strip:
1002 unstripped_exe = exename + '.unstripped'
1003 new_env.Program(unstripped_exe, objects)
1004 if sys.platform == 'sunos5':
1005 cmd = 'cp $SOURCE $TARGET; strip $TARGET'
1006 else:
1007 cmd = 'strip $SOURCE -o $TARGET'
1008 targets = new_env.Command(exename, unstripped_exe, cmd)
1009 else:
1010 targets = new_env.Program(exename, objects)
1011
1012 new_env.M5Binary = targets[0]
1013 envList.append(new_env)
1014
1015# Debug binary
1016ccflags = {}
1017if env['GCC']:
1018 if sys.platform == 'sunos5':
1019 ccflags['debug'] = '-gstabs+'
1020 else:
1021 ccflags['debug'] = '-ggdb3'
1022 ccflags['opt'] = '-g -O3'
1023 ccflags['fast'] = '-O3'
1024 ccflags['prof'] = '-O3 -g -pg'
1025elif env['SUNCC']:
1026 ccflags['debug'] = '-g0'
1027 ccflags['opt'] = '-g -O'
1028 ccflags['fast'] = '-fast'
1029 ccflags['prof'] = '-fast -g -pg'
1030elif env['ICC']:
1031 ccflags['debug'] = '-g -O0'
1032 ccflags['opt'] = '-g -O'
1033 ccflags['fast'] = '-fast'
1034 ccflags['prof'] = '-fast -g -pg'
1035else:
1036 print 'Unknown compiler, please fix compiler options'
1037 Exit(1)
1038
1039makeEnv('debug', '.do',
1040 CCFLAGS = Split(ccflags['debug']),
1041 CPPDEFINES = ['DEBUG', 'TRACING_ON=1'])
1042
1043# Optimized binary
1044makeEnv('opt', '.o',
1045 CCFLAGS = Split(ccflags['opt']),
1046 CPPDEFINES = ['TRACING_ON=1'])
1047
1048# "Fast" binary
1049makeEnv('fast', '.fo', strip = True,
1050 CCFLAGS = Split(ccflags['fast']),
1051 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'])
1052
1053# Profiled binary
1054makeEnv('prof', '.po',
1055 CCFLAGS = Split(ccflags['prof']),
1056 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
1057 LINKFLAGS = '-pg')
1058
1059Return('envList')
|