385# Generate a file with all of the compile options in it 386env.Command('python/m5/defines.py', defines_info, makeDefinesPyFile) 387PySource('m5', 'python/m5/defines.py') 388 389# Generate python file containing info about the M5 source code 390def makeInfoPyFile(target, source, env): 391 f = file(str(target[0]), 'w') 392 for src in source: 393 data = ''.join(file(src.srcnode().abspath, 'r').xreadlines()) 394 print >>f, "%s = %s" % (src, repr(data)) 395 f.close() 396 397# Generate a file that wraps the basic top level files 398env.Command('python/m5/info.py', 399 [ '#/AUTHORS', '#/LICENSE', '#/README', '#/RELEASE_NOTES' ], 400 makeInfoPyFile) 401PySource('m5', 'python/m5/info.py') 402 403# Generate the __init__.py file for m5.objects 404def 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() 410 f.close() 411 412# Generate an __init__.py file for the objects package 413env.Command('python/m5/objects/__init__.py', 414 [ Value(o) for o in sort_list(sim_object_modfiles) ], 415 makeObjectsInitFile) 416PySource('m5.objects', 'python/m5/objects/__init__.py') 417 418######################################################################## 419# 420# Create all of the SimObject param headers and enum headers 421# 422 423def createSimObjectParam(target, source, env): 424 assert len(target) == 1 and len(source) == 1 425 426 hh_file = file(target[0].abspath, 'w') 427 name = str(source[0].get_contents()) 428 obj = sim_objects[name] 429 430 print >>hh_file, obj.cxx_decl() 431 432def createSwigParam(target, source, env): 433 assert len(target) == 1 and len(source) == 1 434 435 i_file = file(target[0].abspath, 'w') 436 name = str(source[0].get_contents()) 437 param = all_params[name] 438 439 for line in param.swig_decl(): 440 print >>i_file, line 441 442def createEnumStrings(target, source, env): 443 assert len(target) == 1 and len(source) == 1 444 445 cc_file = file(target[0].abspath, 'w') 446 name = str(source[0].get_contents()) 447 obj = all_enums[name] 448 449 print >>cc_file, obj.cxx_def() 450 cc_file.close() 451 452def createEnumParam(target, source, env): 453 assert len(target) == 1 and len(source) == 1 454 455 hh_file = file(target[0].abspath, 'w') 456 name = str(source[0].get_contents()) 457 obj = all_enums[name] 458 459 print >>hh_file, obj.cxx_decl() 460 461# Generate all of the SimObject param struct header files 462params_hh_files = [] 463for name,simobj in sim_objects.iteritems(): 464 extra_deps = [ File(py_modules[simobj.__module__]) ] 465 466 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) 470 471# Generate any parameter header files needed 472params_i_files = [] 473for name,param in all_params.iteritems(): 474 if isinstance(param, m5.params.VectorParamDesc): 475 ext = 'vptype' 476 else: 477 ext = 'ptype' 478 479 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) 483 484# Generate all enum header files 485for name,enum in all_enums.iteritems(): 486 extra_deps = [ File(py_modules[enum.__module__]) ] 487 488 cc_file = File('enums/%s.cc' % name) 489 env.Command(cc_file, Value(name), createEnumStrings) 490 env.Depends(cc_file, depends + extra_deps) 491 Source(cc_file) 492 493 hh_file = File('enums/%s.hh' % name) 494 env.Command(hh_file, Value(name), createEnumParam) 495 env.Depends(hh_file, depends + extra_deps) 496 497# Build the big monolithic swigged params module (wraps all SimObject 498# param structs and enum structs) 499def 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') 503 504 ordered_objs = [] 505 obj_seen = set() 506 def order_obj(obj): 507 name = str(obj) 508 if name in obj_seen: 509 return 510 511 obj_seen.add(name) 512 if str(obj) != 'SimObject': 513 order_obj(obj.__bases__[0]) 514 515 ordered_objs.append(obj) 516 517 for obj in objs: 518 order_obj(obj) 519 520 enums = set() 521 predecls = [] 522 pd_seen = set() 523 524 def add_pds(*pds): 525 for pd in pds: 526 if pd not in pd_seen: 527 predecls.append(pd) 528 pd_seen.add(pd) 529 530 for obj in ordered_objs: 531 params = obj._params.local.values() 532 for param in params: 533 ptype = param.ptype 534 if issubclass(ptype, m5.params.Enum): 535 if ptype not in enums: 536 enums.add(ptype) 537 pds = param.swig_predecls() 538 if isinstance(pds, (list, tuple)): 539 add_pds(*pds) 540 else: 541 add_pds(pds) 542 543 print >>out, '%module params' 544 545 print >>out, '%{' 546 for obj in ordered_objs: 547 print >>out, '#include "params/%s.hh"' % obj 548 print >>out, '%}' 549 550 for pd in predecls: 551 print >>out, pd 552 553 enums = list(enums) 554 enums.sort() 555 for enum in enums: 556 print >>out, '%%include "enums/%s.hh"' % enum.__name__ 557 print >>out 558 559 for obj in ordered_objs: 560 if obj.swig_objdecls: 561 for decl in obj.swig_objdecls: 562 print >>out, decl 563 continue 564 565 class_path = obj.cxx_class.split('::') 566 classname = class_path[-1] 567 namespaces = class_path[:-1] 568 namespaces.reverse() 569 570 code = '' 571 572 if namespaces: 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) 577 578 code += '// stop swig from creating/wrapping default ctor/dtor\n' 579 code += '%%nodefault %s;\n' % classname 580 code += 'class %s ' % classname 581 if obj._base: 582 code += ': public %s' % obj._base.cxx_class 583 code += ' {};\n' 584 585 for ns in namespaces: 586 new_code = 'namespace %s {\n' % ns 587 new_code += code 588 new_code += '}\n' 589 code = new_code 590 591 print >>out, code 592 593 print >>out, '%%include "src/sim/sim_object_params.hh"' % obj 594 for obj in ordered_objs: 595 print >>out, '%%include "params/%s.hh"' % obj 596 597params_file = File('params/params.i') 598names = sort_list(sim_objects.keys()) 599env.Command(params_file, [ Value(v) for v in names ], buildParams) 600env.Depends(params_file, params_hh_files + params_i_files + depends) 601SwigSource('m5.objects', params_file) 602 603# Build all swig modules 604swig_modules = [] 605cc_swig_sources = [] 606for source,package in swig_sources: 607 filename = str(source) 608 assert filename.endswith('.i') 609 610 base = '.'.join(filename.split('.')[:-1]) 611 module = basename(base) 612 cc_file = base + '_wrap.cc' 613 py_file = base + '.py' 614 615 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) 620 621 swig_modules.append(Value(module)) 622 cc_swig_sources.append(File(cc_file)) 623 PySource(package, py_file) 624 625# Generate the main swig init file 626def 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() 631 print >>f, '}' 632 print >>f, 'void initSwig() {' 633 for module in source: 634 print >>f, ' init_%s();' % module.get_contents() 635 print >>f, '}' 636 f.close() 637 638env.Command('python/swig/init.cc', swig_modules, makeSwigInit) 639Source('python/swig/init.cc') 640 641# Generate traceflags.py 642def traceFlagsPy(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 allFlags.sort() 653 654 print >>f, 'basic = [' 655 for flag, compound, desc in allFlags: 656 if not compound: 657 print >>f, " '%s'," % flag 658 print >>f, " ]" 659 print >>f 660 661 print >>f, 'compound = [' 662 print >>f, " 'All'," 663 for flag, compound, desc in allFlags: 664 if compound: 665 print >>f, " '%s'," % flag 666 print >>f, " ]" 667 print >>f 668 669 print >>f, "all = frozenset(basic + compound)" 670 print >>f 671 672 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: 676 if compound: 677 print >>f, " '%s' : %s," % (flag, compound) 678 print >>f, " }" 679 print >>f 680 681 print >>f, 'descriptions = {' 682 print >>f, " 'All' : 'All flags'," 683 for flag, compound, desc in allFlags: 684 print >>f, " '%s' : '%s'," % (flag, desc) 685 print >>f, " }" 686 687 f.close() 688 689def traceFlagsCC(target, source, env): 690 assert(len(target) == 1) 691 692 f = file(str(target[0]), 'w') 693 694 allFlags = [] 695 for s in source: 696 val = eval(s.get_contents()) 697 allFlags.append(val) 698 699 # file header 700 print >>f, ''' 701/* 702 * DO NOT EDIT THIS FILE! Automatically generated 703 */ 704 705#include "base/traceflags.hh" 706 707using namespace Trace; 708 709const char *Trace::flagStrings[] = 710{''' 711 712 # 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: 715 if not compound: 716 print >>f, ' "%s",' % flag 717 718 print >>f, ' "All",' 719 for flag, compound, desc in allFlags: 720 if compound: 721 print >>f, ' "%s",' % flag 722 723 print >>f, '};' 724 print >>f 725 print >>f, 'const int Trace::numFlagStrings = %d;' % (len(allFlags) + 1) 726 print >>f 727 728 # 729 # Now define the individual compound flag arrays. There is an array 730 # for each compound flag listing the component base flags. 731 # 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: 735 if not compound: 736 print >>f, " %s," % flag 737 print >>f, '};' 738 print >>f 739 740 for flag, compound, desc in allFlags: 741 if not compound: 742 continue 743 print >>f, 'static const Flags %sMap[] = {' % flag 744 for flag in compound: 745 print >>f, " %s," % flag 746 print >>f, " (Flags)-1" 747 print >>f, '};' 748 print >>f 749 750 # 751 # Finally the compoundFlags[] array maps the compound flags 752 # to their individual arrays/ 753 # 754 print >>f, 'const Flags *Trace::compoundFlags[] =' 755 print >>f, '{' 756 print >>f, ' AllMap,' 757 for flag, compound, desc in allFlags: 758 if compound: 759 print >>f, ' %sMap,' % flag 760 # file trailer 761 print >>f, '};' 762 763 f.close() 764 765def traceFlagsHH(target, source, env): 766 assert(len(target) == 1) 767 768 f = file(str(target[0]), 'w') 769 770 allFlags = [] 771 for s in source: 772 val = eval(s.get_contents()) 773 allFlags.append(val) 774 775 # file header boilerplate 776 print >>f, ''' 777/* 778 * DO NOT EDIT THIS FILE! 779 * 780 * Automatically generated from traceflags.py 781 */ 782 783#ifndef __BASE_TRACE_FLAGS_HH__ 784#define __BASE_TRACE_FLAGS_HH__ 785 786namespace Trace { 787 788enum Flags {''' 789 790 # Generate the enum. Base flags come first, then compound flags. 791 idx = 0 792 for flag, compound, desc in allFlags: 793 if not compound: 794 print >>f, ' %s = %d,' % (flag, idx) 795 idx += 1 796 797 numBaseFlags = idx 798 print >>f, ' NumFlags = %d,' % idx 799 800 # put a comment in here to separate base from compound flags 801 print >>f, ''' 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.''' 805 806 print >>f, ' All = %d,' % idx 807 idx += 1 808 for flag, compound, desc in allFlags: 809 if compound: 810 print >>f, ' %s = %d,' % (flag, idx) 811 idx += 1 812 813 numCompoundFlags = idx - numBaseFlags 814 print >>f, ' NumCompoundFlags = %d' % numCompoundFlags 815 816 # trailer boilerplate 817 print >>f, '''\ 818}; // enum Flags 819 820// Array of strings for SimpleEnumParam 821extern const char *flagStrings[]; 822extern const int numFlagStrings; 823 824// Array of arraay pointers: for each compound flag, gives the list of 825// base flags to set. Inidividual flag arrays are terminated by -1. 826extern const Flags *compoundFlags[]; 827 828/* namespace Trace */ } 829 830#endif // __BASE_TRACE_FLAGS_HH__ 831''' 832 833 f.close() 834 835flags = [ Value(f) for f in trace_flags.values() ] 836env.Command('base/traceflags.py', flags, traceFlagsPy) 837PySource('m5', 'base/traceflags.py') 838 839env.Command('base/traceflags.hh', flags, traceFlagsHH) 840env.Command('base/traceflags.cc', flags, traceFlagsCC) 841Source('base/traceflags.cc') 842 843# 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) 849py_sources_tnodes = {} 850for pysource in py_sources: 851 py_sources_tnodes[pysource.tnode] = pysource 852 853def 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''' 857 858 src = file(str(source[0]), 'r').read() 859 dst = file(str(target[0]), 'w') 860 861 pysource = py_sources_tnodes[source[0]] 862 compiled = compile(src, pysource.debugname, 'exec') 863 marshalled = marshal.dumps(compiled) 864 compressed = zlib.compress(marshalled) 865 data = compressed 866 867 # 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 872 else: 873 sym = pysource.symname 874 875 step = 16 876 print >>dst, ".data" 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) 885 886for source in py_sources: 887 env.Command(source.assembly, source.tnode, objectifyPyFile) 888 Source(source.assembly) 889 890# 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. 895py_sources_symbols = {} 896for pysource in py_sources: 897 py_sources_symbols[pysource.symname] = pysource 898def pythonInit(target, source, env): 899 dst = file(str(target[0]), 'w') 900 901 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) 908 909 print >>dst, '#include "sim/init.hh"' 910 911 for sym in source: 912 sym = sym.get_contents() 913 print >>dst, "extern const char %s_beg[], %s_end[];" % (sym, sym) 914 915 print >>dst, "const EmbeddedPyModule embeddedPyImporter = " 916 dump_mod("PyEMB_importer", endchar=';'); 917 print >>dst 918 919 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 924 continue 925 dump_mod(sym) 926 print >>dst, " { 0, 0, 0, 0, 0, 0 }" 927 print >>dst, "};" 928 929symbols = [Value(s.symname) for s in py_sources] 930env.Command('sim/init_python.cc', symbols, pythonInit) 931Source('sim/init_python.cc') 932 933######################################################################## 934# 935# Define binaries. Each different build type (debug, opt, etc.) gets 936# a slightly different build environment. 937# 938 939# List of constructed environments to pass back to SConstruct 940envList = [] 941 942# 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 946# date.cc. 947def make_objs(sources, env, static): 948 if static: 949 XObject = env.StaticObject 950 else: 951 XObject = env.SharedObject 952 953 objs = [ XObject(s) for s in sources ] 954 955 # 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') 958 959 env.Depends(date_obj, objs) 960 objs.append(date_obj) 961 return objs 962 963# 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. 967def 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 972
| 366# Generate a file with all of the compile options in it 367env.Command('python/m5/defines.py', defines_info, makeDefinesPyFile) 368PySource('m5', 'python/m5/defines.py') 369 370# Generate python file containing info about the M5 source code 371def makeInfoPyFile(target, source, env): 372 f = file(str(target[0]), 'w') 373 for src in source: 374 data = ''.join(file(src.srcnode().abspath, 'r').xreadlines()) 375 print >>f, "%s = %s" % (src, repr(data)) 376 f.close() 377 378# Generate a file that wraps the basic top level files 379env.Command('python/m5/info.py', 380 [ '#/AUTHORS', '#/LICENSE', '#/README', '#/RELEASE_NOTES' ], 381 makeInfoPyFile) 382PySource('m5', 'python/m5/info.py') 383 384# Generate the __init__.py file for m5.objects 385def makeObjectsInitFile(target, source, env): 386 f = file(str(target[0]), 'w') 387 print >>f, 'from params import *' 388 print >>f, 'from m5.SimObject import *' 389 for module in source: 390 print >>f, 'from %s import *' % module.get_contents() 391 f.close() 392 393# Generate an __init__.py file for the objects package 394env.Command('python/m5/objects/__init__.py', 395 [ Value(o) for o in sort_list(sim_object_modfiles) ], 396 makeObjectsInitFile) 397PySource('m5.objects', 'python/m5/objects/__init__.py') 398 399######################################################################## 400# 401# Create all of the SimObject param headers and enum headers 402# 403 404def createSimObjectParam(target, source, env): 405 assert len(target) == 1 and len(source) == 1 406 407 hh_file = file(target[0].abspath, 'w') 408 name = str(source[0].get_contents()) 409 obj = sim_objects[name] 410 411 print >>hh_file, obj.cxx_decl() 412 413def createSwigParam(target, source, env): 414 assert len(target) == 1 and len(source) == 1 415 416 i_file = file(target[0].abspath, 'w') 417 name = str(source[0].get_contents()) 418 param = all_params[name] 419 420 for line in param.swig_decl(): 421 print >>i_file, line 422 423def createEnumStrings(target, source, env): 424 assert len(target) == 1 and len(source) == 1 425 426 cc_file = file(target[0].abspath, 'w') 427 name = str(source[0].get_contents()) 428 obj = all_enums[name] 429 430 print >>cc_file, obj.cxx_def() 431 cc_file.close() 432 433def createEnumParam(target, source, env): 434 assert len(target) == 1 and len(source) == 1 435 436 hh_file = file(target[0].abspath, 'w') 437 name = str(source[0].get_contents()) 438 obj = all_enums[name] 439 440 print >>hh_file, obj.cxx_decl() 441 442# Generate all of the SimObject param struct header files 443params_hh_files = [] 444for name,simobj in sim_objects.iteritems(): 445 extra_deps = [ File(py_modules[simobj.__module__]) ] 446 447 hh_file = File('params/%s.hh' % name) 448 params_hh_files.append(hh_file) 449 env.Command(hh_file, Value(name), createSimObjectParam) 450 env.Depends(hh_file, depends + extra_deps) 451 452# Generate any parameter header files needed 453params_i_files = [] 454for name,param in all_params.iteritems(): 455 if isinstance(param, m5.params.VectorParamDesc): 456 ext = 'vptype' 457 else: 458 ext = 'ptype' 459 460 i_file = File('params/%s_%s.i' % (name, ext)) 461 params_i_files.append(i_file) 462 env.Command(i_file, Value(name), createSwigParam) 463 env.Depends(i_file, depends) 464 465# Generate all enum header files 466for name,enum in all_enums.iteritems(): 467 extra_deps = [ File(py_modules[enum.__module__]) ] 468 469 cc_file = File('enums/%s.cc' % name) 470 env.Command(cc_file, Value(name), createEnumStrings) 471 env.Depends(cc_file, depends + extra_deps) 472 Source(cc_file) 473 474 hh_file = File('enums/%s.hh' % name) 475 env.Command(hh_file, Value(name), createEnumParam) 476 env.Depends(hh_file, depends + extra_deps) 477 478# Build the big monolithic swigged params module (wraps all SimObject 479# param structs and enum structs) 480def buildParams(target, source, env): 481 names = [ s.get_contents() for s in source ] 482 objs = [ sim_objects[name] for name in names ] 483 out = file(target[0].abspath, 'w') 484 485 ordered_objs = [] 486 obj_seen = set() 487 def order_obj(obj): 488 name = str(obj) 489 if name in obj_seen: 490 return 491 492 obj_seen.add(name) 493 if str(obj) != 'SimObject': 494 order_obj(obj.__bases__[0]) 495 496 ordered_objs.append(obj) 497 498 for obj in objs: 499 order_obj(obj) 500 501 enums = set() 502 predecls = [] 503 pd_seen = set() 504 505 def add_pds(*pds): 506 for pd in pds: 507 if pd not in pd_seen: 508 predecls.append(pd) 509 pd_seen.add(pd) 510 511 for obj in ordered_objs: 512 params = obj._params.local.values() 513 for param in params: 514 ptype = param.ptype 515 if issubclass(ptype, m5.params.Enum): 516 if ptype not in enums: 517 enums.add(ptype) 518 pds = param.swig_predecls() 519 if isinstance(pds, (list, tuple)): 520 add_pds(*pds) 521 else: 522 add_pds(pds) 523 524 print >>out, '%module params' 525 526 print >>out, '%{' 527 for obj in ordered_objs: 528 print >>out, '#include "params/%s.hh"' % obj 529 print >>out, '%}' 530 531 for pd in predecls: 532 print >>out, pd 533 534 enums = list(enums) 535 enums.sort() 536 for enum in enums: 537 print >>out, '%%include "enums/%s.hh"' % enum.__name__ 538 print >>out 539 540 for obj in ordered_objs: 541 if obj.swig_objdecls: 542 for decl in obj.swig_objdecls: 543 print >>out, decl 544 continue 545 546 class_path = obj.cxx_class.split('::') 547 classname = class_path[-1] 548 namespaces = class_path[:-1] 549 namespaces.reverse() 550 551 code = '' 552 553 if namespaces: 554 code += '// avoid name conflicts\n' 555 sep_string = '_COLONS_' 556 flat_name = sep_string.join(class_path) 557 code += '%%rename(%s) %s;\n' % (flat_name, classname) 558 559 code += '// stop swig from creating/wrapping default ctor/dtor\n' 560 code += '%%nodefault %s;\n' % classname 561 code += 'class %s ' % classname 562 if obj._base: 563 code += ': public %s' % obj._base.cxx_class 564 code += ' {};\n' 565 566 for ns in namespaces: 567 new_code = 'namespace %s {\n' % ns 568 new_code += code 569 new_code += '}\n' 570 code = new_code 571 572 print >>out, code 573 574 print >>out, '%%include "src/sim/sim_object_params.hh"' % obj 575 for obj in ordered_objs: 576 print >>out, '%%include "params/%s.hh"' % obj 577 578params_file = File('params/params.i') 579names = sort_list(sim_objects.keys()) 580env.Command(params_file, [ Value(v) for v in names ], buildParams) 581env.Depends(params_file, params_hh_files + params_i_files + depends) 582SwigSource('m5.objects', params_file) 583 584# Build all swig modules 585swig_modules = [] 586cc_swig_sources = [] 587for source,package in swig_sources: 588 filename = str(source) 589 assert filename.endswith('.i') 590 591 base = '.'.join(filename.split('.')[:-1]) 592 module = basename(base) 593 cc_file = base + '_wrap.cc' 594 py_file = base + '.py' 595 596 env.Command([cc_file, py_file], source, 597 '$SWIG $SWIGFLAGS -outdir ${TARGETS[1].dir} ' 598 '-o ${TARGETS[0]} $SOURCES') 599 env.Depends(py_file, source) 600 env.Depends(cc_file, source) 601 602 swig_modules.append(Value(module)) 603 cc_swig_sources.append(File(cc_file)) 604 PySource(package, py_file) 605 606# Generate the main swig init file 607def makeSwigInit(target, source, env): 608 f = file(str(target[0]), 'w') 609 print >>f, 'extern "C" {' 610 for module in source: 611 print >>f, ' void init_%s();' % module.get_contents() 612 print >>f, '}' 613 print >>f, 'void initSwig() {' 614 for module in source: 615 print >>f, ' init_%s();' % module.get_contents() 616 print >>f, '}' 617 f.close() 618 619env.Command('python/swig/init.cc', swig_modules, makeSwigInit) 620Source('python/swig/init.cc') 621 622# Generate traceflags.py 623def traceFlagsPy(target, source, env): 624 assert(len(target) == 1) 625 626 f = file(str(target[0]), 'w') 627 628 allFlags = [] 629 for s in source: 630 val = eval(s.get_contents()) 631 allFlags.append(val) 632 633 allFlags.sort() 634 635 print >>f, 'basic = [' 636 for flag, compound, desc in allFlags: 637 if not compound: 638 print >>f, " '%s'," % flag 639 print >>f, " ]" 640 print >>f 641 642 print >>f, 'compound = [' 643 print >>f, " 'All'," 644 for flag, compound, desc in allFlags: 645 if compound: 646 print >>f, " '%s'," % flag 647 print >>f, " ]" 648 print >>f 649 650 print >>f, "all = frozenset(basic + compound)" 651 print >>f 652 653 print >>f, 'compoundMap = {' 654 all = tuple([flag for flag,compound,desc in allFlags if not compound]) 655 print >>f, " 'All' : %s," % (all, ) 656 for flag, compound, desc in allFlags: 657 if compound: 658 print >>f, " '%s' : %s," % (flag, compound) 659 print >>f, " }" 660 print >>f 661 662 print >>f, 'descriptions = {' 663 print >>f, " 'All' : 'All flags'," 664 for flag, compound, desc in allFlags: 665 print >>f, " '%s' : '%s'," % (flag, desc) 666 print >>f, " }" 667 668 f.close() 669 670def traceFlagsCC(target, source, env): 671 assert(len(target) == 1) 672 673 f = file(str(target[0]), 'w') 674 675 allFlags = [] 676 for s in source: 677 val = eval(s.get_contents()) 678 allFlags.append(val) 679 680 # file header 681 print >>f, ''' 682/* 683 * DO NOT EDIT THIS FILE! Automatically generated 684 */ 685 686#include "base/traceflags.hh" 687 688using namespace Trace; 689 690const char *Trace::flagStrings[] = 691{''' 692 693 # The string array is used by SimpleEnumParam to map the strings 694 # provided by the user to enum values. 695 for flag, compound, desc in allFlags: 696 if not compound: 697 print >>f, ' "%s",' % flag 698 699 print >>f, ' "All",' 700 for flag, compound, desc in allFlags: 701 if compound: 702 print >>f, ' "%s",' % flag 703 704 print >>f, '};' 705 print >>f 706 print >>f, 'const int Trace::numFlagStrings = %d;' % (len(allFlags) + 1) 707 print >>f 708 709 # 710 # Now define the individual compound flag arrays. There is an array 711 # for each compound flag listing the component base flags. 712 # 713 all = tuple([flag for flag,compound,desc in allFlags if not compound]) 714 print >>f, 'static const Flags AllMap[] = {' 715 for flag, compound, desc in allFlags: 716 if not compound: 717 print >>f, " %s," % flag 718 print >>f, '};' 719 print >>f 720 721 for flag, compound, desc in allFlags: 722 if not compound: 723 continue 724 print >>f, 'static const Flags %sMap[] = {' % flag 725 for flag in compound: 726 print >>f, " %s," % flag 727 print >>f, " (Flags)-1" 728 print >>f, '};' 729 print >>f 730 731 # 732 # Finally the compoundFlags[] array maps the compound flags 733 # to their individual arrays/ 734 # 735 print >>f, 'const Flags *Trace::compoundFlags[] =' 736 print >>f, '{' 737 print >>f, ' AllMap,' 738 for flag, compound, desc in allFlags: 739 if compound: 740 print >>f, ' %sMap,' % flag 741 # file trailer 742 print >>f, '};' 743 744 f.close() 745 746def traceFlagsHH(target, source, env): 747 assert(len(target) == 1) 748 749 f = file(str(target[0]), 'w') 750 751 allFlags = [] 752 for s in source: 753 val = eval(s.get_contents()) 754 allFlags.append(val) 755 756 # file header boilerplate 757 print >>f, ''' 758/* 759 * DO NOT EDIT THIS FILE! 760 * 761 * Automatically generated from traceflags.py 762 */ 763 764#ifndef __BASE_TRACE_FLAGS_HH__ 765#define __BASE_TRACE_FLAGS_HH__ 766 767namespace Trace { 768 769enum Flags {''' 770 771 # Generate the enum. Base flags come first, then compound flags. 772 idx = 0 773 for flag, compound, desc in allFlags: 774 if not compound: 775 print >>f, ' %s = %d,' % (flag, idx) 776 idx += 1 777 778 numBaseFlags = idx 779 print >>f, ' NumFlags = %d,' % idx 780 781 # put a comment in here to separate base from compound flags 782 print >>f, ''' 783// The remaining enum values are *not* valid indices for Trace::flags. 784// They are "compound" flags, which correspond to sets of base 785// flags, and are used by changeFlag.''' 786 787 print >>f, ' All = %d,' % idx 788 idx += 1 789 for flag, compound, desc in allFlags: 790 if compound: 791 print >>f, ' %s = %d,' % (flag, idx) 792 idx += 1 793 794 numCompoundFlags = idx - numBaseFlags 795 print >>f, ' NumCompoundFlags = %d' % numCompoundFlags 796 797 # trailer boilerplate 798 print >>f, '''\ 799}; // enum Flags 800 801// Array of strings for SimpleEnumParam 802extern const char *flagStrings[]; 803extern const int numFlagStrings; 804 805// Array of arraay pointers: for each compound flag, gives the list of 806// base flags to set. Inidividual flag arrays are terminated by -1. 807extern const Flags *compoundFlags[]; 808 809/* namespace Trace */ } 810 811#endif // __BASE_TRACE_FLAGS_HH__ 812''' 813 814 f.close() 815 816flags = [ Value(f) for f in trace_flags.values() ] 817env.Command('base/traceflags.py', flags, traceFlagsPy) 818PySource('m5', 'base/traceflags.py') 819 820env.Command('base/traceflags.hh', flags, traceFlagsHH) 821env.Command('base/traceflags.cc', flags, traceFlagsCC) 822Source('base/traceflags.cc') 823 824# embed python files. All .py files that have been indicated by a 825# PySource() call in a SConscript need to be embedded into the M5 826# library. To do that, we compile the file to byte code, marshal the 827# byte code, compress it, and then generate an assembly file that 828# inserts the result into the data section with symbols indicating the 829# beginning, and end (and with the size at the end) 830py_sources_tnodes = {} 831for pysource in py_sources: 832 py_sources_tnodes[pysource.tnode] = pysource 833 834def objectifyPyFile(target, source, env): 835 '''Action function to compile a .py into a code object, marshal 836 it, compress it, and stick it into an asm file so the code appears 837 as just bytes with a label in the data section''' 838 839 src = file(str(source[0]), 'r').read() 840 dst = file(str(target[0]), 'w') 841 842 pysource = py_sources_tnodes[source[0]] 843 compiled = compile(src, pysource.debugname, 'exec') 844 marshalled = marshal.dumps(compiled) 845 compressed = zlib.compress(marshalled) 846 data = compressed 847 848 # Some C/C++ compilers prepend an underscore to global symbol 849 # names, so if they're going to do that, we need to prepend that 850 # leading underscore to globals in the assembly file. 851 if env['LEADING_UNDERSCORE']: 852 sym = '_' + pysource.symname 853 else: 854 sym = pysource.symname 855 856 step = 16 857 print >>dst, ".data" 858 print >>dst, ".globl %s_beg" % sym 859 print >>dst, ".globl %s_end" % sym 860 print >>dst, "%s_beg:" % sym 861 for i in xrange(0, len(data), step): 862 x = array.array('B', data[i:i+step]) 863 print >>dst, ".byte", ','.join([str(d) for d in x]) 864 print >>dst, "%s_end:" % sym 865 print >>dst, ".long %d" % len(marshalled) 866 867for source in py_sources: 868 env.Command(source.assembly, source.tnode, objectifyPyFile) 869 Source(source.assembly) 870 871# Generate init_python.cc which creates a bunch of EmbeddedPyModule 872# structs that describe the embedded python code. One such struct 873# contains information about the importer that python uses to get at 874# the embedded files, and then there's a list of all of the rest that 875# the importer uses to load the rest on demand. 876py_sources_symbols = {} 877for pysource in py_sources: 878 py_sources_symbols[pysource.symname] = pysource 879def pythonInit(target, source, env): 880 dst = file(str(target[0]), 'w') 881 882 def dump_mod(sym, endchar=','): 883 pysource = py_sources_symbols[sym] 884 print >>dst, ' { "%s",' % pysource.arcname 885 print >>dst, ' "%s",' % pysource.modpath 886 print >>dst, ' %s_beg, %s_end,' % (sym, sym) 887 print >>dst, ' %s_end - %s_beg,' % (sym, sym) 888 print >>dst, ' *(int *)%s_end }%s' % (sym, endchar) 889 890 print >>dst, '#include "sim/init.hh"' 891 892 for sym in source: 893 sym = sym.get_contents() 894 print >>dst, "extern const char %s_beg[], %s_end[];" % (sym, sym) 895 896 print >>dst, "const EmbeddedPyModule embeddedPyImporter = " 897 dump_mod("PyEMB_importer", endchar=';'); 898 print >>dst 899 900 print >>dst, "const EmbeddedPyModule embeddedPyModules[] = {" 901 for i,sym in enumerate(source): 902 sym = sym.get_contents() 903 if sym == "PyEMB_importer": 904 # Skip the importer since we've already exported it 905 continue 906 dump_mod(sym) 907 print >>dst, " { 0, 0, 0, 0, 0, 0 }" 908 print >>dst, "};" 909 910symbols = [Value(s.symname) for s in py_sources] 911env.Command('sim/init_python.cc', symbols, pythonInit) 912Source('sim/init_python.cc') 913 914######################################################################## 915# 916# Define binaries. Each different build type (debug, opt, etc.) gets 917# a slightly different build environment. 918# 919 920# List of constructed environments to pass back to SConstruct 921envList = [] 922 923# This function adds the specified sources to the given build 924# environment, and returns a list of all the corresponding SCons 925# Object nodes (including an extra one for date.cc). We explicitly 926# add the Object nodes so we can set up special dependencies for 927# date.cc. 928def make_objs(sources, env, static): 929 if static: 930 XObject = env.StaticObject 931 else: 932 XObject = env.SharedObject 933 934 objs = [ XObject(s) for s in sources ] 935 936 # make date.cc depend on all other objects so it always gets 937 # recompiled whenever anything else does 938 date_obj = XObject('base/date.cc') 939 940 env.Depends(date_obj, objs) 941 objs.append(date_obj) 942 return objs 943 944# Function to create a new build environment as clone of current 945# environment 'env' with modified object suffix and optional stripped 946# binary. Additional keyword arguments are appended to corresponding 947# build environment vars. 948def makeEnv(label, objsfx, strip = False, **kwargs): 949 # SCons doesn't know to append a library suffix when there is a '.' in the 950 # name. Use '_' instead. 951 libname = 'm5_' + label 952 exename = 'm5.' + label 953
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