elua中的SconsStruct檔案

import os, sys, shutil, stringimport platform  as syspl# Helper: "normalize" a name to make it a suitable C macro namedef cnorm( name ):  name = name.replace( '-', '' )  name = name.replace( ' ', '' )  return name.upper()# List of toolchainstoolchain_list = {  'arm-gcc' : {     'compile' : 'arm-elf-gcc',     'link' : 'arm-elf-ld',     'asm' : 'arm-elf-as',     'bin' : 'arm-elf-objcopy',     'size' : 'arm-elf-size',    'cross_cpumode' : 'little',    'cross_lua' : 'float_arm 64',    'cross_lualong' : 'int 32'  },  'arm-eabi-gcc' : {    'compile' : 'arm-eabi-gcc',    'link' : 'arm-eabi-ld',    'asm' : 'arm-eabi-as',    'bin' : 'arm-eabi-objcopy',    'size' : 'arm-eabi-size',    'cross_cpumode' : 'little',    'cross_lua' : 'float 64',    'cross_lualong' : 'int 32'  },  'codesourcery' : {     'compile' : 'arm-none-eabi-gcc',     'link' : 'arm-none-eabi-ld',     'asm' : 'arm-none-eabi-as',     'bin' : 'arm-none-eabi-objcopy',     'size' : 'arm-none-eabi-size',    'cross_cpumode' : 'little',    'cross_lua' : 'float 64',    'cross_lualong' : 'int 32'  },  'avr32-gcc' : {     'compile' : 'avr32-gcc',     'link' : 'avr32-ld',     'asm' : 'avr32-as',     'bin' : 'avr32-objcopy',     'size' : 'avr32-size',    'cross_cpumode' : 'big',    'cross_lua' : 'float 64',    'cross_lualong' : 'int 32'  },  'i686-gcc' : {     'compile' : 'i686-elf-gcc',     'link' : 'i686-elf-ld',     'asm' : 'nasm',     'bin' : 'i686-elf-objcopy',     'size' : 'i686-elf-size',    'cross_cpumode' : 'little',    'cross_lua' : 'float 64',    'cross_lualong' : 'int 32'  }}# Toolchain Aliasestoolchain_list['devkitarm'] = toolchain_list['arm-eabi-gcc']# List of platform/CPU/toolchains combinations# The first toolchain in the toolchains list is the default one# (the one that will be used if none is specified)platform_list = {    'at91sam7x' : { 'cpus' : [ 'AT91SAM7X256', 'AT91SAM7X512' ], 'toolchains' : [ 'arm-gcc', 'codesourcery', 'devkitarm', 'arm-eabi-gcc' ] },  'lm3s' : { 'cpus' : [ 'LM3S1968', 'LM3S8962', 'LM3S6965', 'LM3S6918', 'LM3S9B92' ], 'toolchains' : [ 'arm-gcc', 'codesourcery', 'devkitarm', 'arm-eabi-gcc' ] },  'str9' : { 'cpus' : [ 'STR912FAW44' ], 'toolchains' : [ 'arm-gcc', 'codesourcery', 'devkitarm', 'arm-eabi-gcc' ] },  'i386' : { 'cpus' : [ 'I386' ], 'toolchains' : [ 'i686-gcc' ] },  'sim' : { 'cpus' : [ 'LINUX' ], 'toolchains' : [ 'i686-gcc' ] },  'lpc288x' : { 'cpus' : [ 'LPC2888' ], 'toolchains' : [ 'arm-gcc', 'codesourcery', 'devkitarm', 'arm-eabi-gcc' ] },  'str7' : { 'cpus' : [ 'STR711FR2' ], 'toolchains' : [ 'arm-gcc', 'codesourcery', 'devkitarm', 'arm-eabi-gcc' ] },  'stm32' : { 'cpus' : [ 'STM32F103ZE', 'STM32F103RE' ], 'toolchains' : [ 'arm-gcc', 'codesourcery', 'devkitarm', 'arm-eabi-gcc' ] },  'avr32' : { 'cpus' : [ 'AT32UC3A0512', 'AT32UC3A0128', 'AT32UC3B0256' ], 'toolchains' : [ 'avr32-gcc' ] },  'lpc24xx' : { 'cpus' : [ 'LPC2468' ], 'toolchains' : [ 'arm-gcc', 'codesourcery', 'devkitarm', 'arm-eabi-gcc' ] },  'lpc17xx' : { 'cpus' : [ 'LPC1768' ], 'toolchains' : [ 'arm-gcc', 'codesourcery', 'devkitarm', 'arm-eabi-gcc' ] }}# List of board/CPU combinationsboard_list = { 'SAM7-EX256' : [ 'AT91SAM7X256', 'AT91SAM7X512' ],               'EK-LM3S1968' : [ 'LM3S1968' ],               'EK-LM3S8962' : [ 'LM3S8962' ],               'EK-LM3S6965' : [ 'LM3S6965' ],               'EK-LM3S9B92' : [ 'LM3S9B92' ],               'STR9-COMSTICK' : [ 'STR912FAW44' ],               'STR-E912' : [ 'STR912FAW44' ],               'PC' : [ 'I386' ],               'SIM' : [ 'LINUX' ],               'LPC-H2888' : [ 'LPC2888' ],               'MOD711' : [ 'STR711FR2' ],               'STM3210E-EVAL' : [ 'STM32F103ZE' ],               'ATEVK1100' : [ 'AT32UC3A0512' ],               'ATEVK1101' : [ 'AT32UC3B0256' ],               'ET-STM32' : [ 'STM32F103RE' ],               'EAGLE-100' : [ 'LM3S6918' ],               'ELUA-PUC' : ['LPC2468' ],               'MBED' : ['LPC1768'],               'MIZAR32' : [ 'AT32UC3A0128' ],               'NETDUINO' : [ 'AT91SAM7X512' ],            }cpu_list = sum([board_list[i] for i in board_list],[])# ROMFS file list "groups"# To include a file in a ROMFS build, include it in a group here (or create one# if you need) and make sure the group is included on your platform's file_list# definition (right after this).# The following table will be left here just as an example# eLua examples were removed from the distro since v0.8#romfs = { 'bisect' : [ 'bisect.lua' ],#          'hangman' : [ 'hangman.lua' ],#          'lhttpd' : [ 'index.pht', 'lhttpd.lua', 'test.lua' ],#          'led' : [ 'led.lua' ],#          'piano' : [ 'piano.lua' ],#          'pwmled' : [ 'pwmled.lua' ],#          'tvbgone' : [ 'tvbgone.lua', 'codes.bin' ],#          'hello' : [ 'hello.lua' ],#          'info' : [ 'info.lua' ],#          'morse' : [ 'morse.lua' ],#          'dualpwm' : [ 'dualpwm.lua' ],#          'adcscope' : [ 'adcscope.lua' ],#          'adcpoll' : [ 'adcpoll.lua' ],#          'life' : [ 'life.lua' ],#          'logo' : ['logo.lua', 'logo.bin' ],#          'pong' : [ 'pong.lua' ],#          'spaceship' : [ 'spaceship.lua' ],#          'tetrives' : [ 'tetrives.lua' ],#          'snake' : [ 'snake.lua' ],#          'dataflash' : [ 'dataflash.lua' ],#          'pachube' : [ 'pachube_demo.lua' ],#          'inttest' : [ 'inttest.lua' ]#        }romfs = {        }# List of board/romfs data combinations# The following table will be left here just as an example# eLua examples were removed from the distro since v0.8#file_list = { 'SAM7-EX256' : [ 'bisect', 'hangman' , 'led', 'piano', 'hello', 'info', 'morse' ],#              'EK-LM3S1968' : [ 'bisect', 'hangman', 'pong', 'led', 'piano', 'pwmled', 'hello', 'info', 'morse', 'adcscope', 'adcpoll', 'logo', 'spaceship', 'tetrives', 'snake' ],#              'EK-LM3S8962' : [ 'lhttpd','bisect', 'led', 'pachube' ],#              'EK-LM3S6965' : [ 'bisect', 'hangman', 'pong', 'led', 'piano', 'pwmled', 'hello', 'info', 'morse', 'adcscope', 'adcpoll', 'logo', 'tetrives' ],#              'EK-LM3S9B92' : [ 'bisect', 'hangman', 'led', 'pwmled', 'hello', 'info', 'adcscope','adcpoll', 'life' ],#              'STR9-COMSTICK' : [ 'bisect', 'hangman', 'led', 'hello', 'info' ],#              'STR-E912' : [ 'bisect', 'hangman', 'led', 'hello', 'info', 'piano', 'adcscope' ],#              'PC' : [ 'bisect', 'hello', 'info', 'life', 'hangman' ],#              'SIM' : [ 'bisect', 'hello', 'info', 'life', 'hangman' ],#              'LPC-H2888' : [ 'bisect', 'hangman', 'led', 'hello', 'info' ],#              'MOD711' : [ 'bisect', 'hangman', 'led', 'hello', 'info', 'dualpwm' ],#              'STM3210E-EVAL' : [ 'bisect', 'hello', 'info' ],#              'ATEVK1100' : [ 'bisect', 'hangman', 'led', 'hello', 'info', 'dataflash' ],#              'ATEVK1101' : [ 'bisect', 'led', 'hello', 'info', 'dataflash' ],#              'ET-STM32' : [ 't' ],#              'EAGLE-100' : [ 'bisect', 'hangman', 'lhttpd', 'led', 'hello', 'info' ],#              'ELUA-PUC' : [ 'bisect', 'hangman', 'led', 'hello', 'info', 'pwmled', 'adcscope', 'adcpoll', 'inttest' ],#              'MBED' : [ 'bisect', 'hangman', 'hello', 'info', 'led', 'pwmled', 'dualpwm', 'life', 'adcscope', 'adcpoll' ],#              'MIZAR32' : [ ],#              'NETDUINO': [ ],#}file_list = { 'SAM7-EX256' : [ ],              'EK-LM3S1968' : [ ],              'EK-LM3S8962' : [ ],              'EK-LM3S6965' : [ ],              'EK-LM3S9B92' : [ ],              'STR9-COMSTICK' : [ ],              'STR-E912' : [ ],              'PC' : [ ],              'SIM' : [ ],              'LPC-H2888' : [ ],              'MOD711' : [ ],              'STM3210E-EVAL' : [ ],              'ATEVK1100' : [ ],              'ATEVK1101' : [ ],              'ET-STM32' : [ ],              'EAGLE-100' : [ ],              'ELUA-PUC' : [ ],              'MBED' : [ ],              'MIZAR32' : [ ],              'NETDUINO': [ ],}comp = Environment( tools = [],                    OBJSUFFIX = ".o",                    PROGSUFFIX = ".elf",                    ENV = os.environ,                    CPPDEFINES = {} )if comp['PLATFORM'] == 'win32':  Tool('mingw')(comp)else:  Tool('default')(comp)# Replacement for standard EnumVariable functionality to derive case from original listclass InsensitiveString(object):  def __init__(self, s):    self.s = s  def __cmp__(self, other):    return cmp(self.s.lower(), other.lower())def _validator(key, val, env, vals):   if not val in vals:     raise SCons.Errors.UserError(       'Invalid value for option %s: %s' % (key, val)) def MatchEnumVariable(key, help, default, allowed_values, map={}):  help = '%s (%s)' % (help, string.join(allowed_values, '|'))    validator = lambda key, val, env, vals=allowed_values: \              _validator(key, InsensitiveString(val), env, vals)  converter = lambda val, map=map: \              map.get(val, allowed_values[allowed_values.index(InsensitiveString(val))])    return (key, help, default, validator, converter) # Add Configurable Variablesvars = Variables()vars.AddVariables(  MatchEnumVariable('target',                    'build "regular" float lua or integer-only "lualong"',                     'lua',                    allowed_values = [ 'lua', 'lualong' ] ),  MatchEnumVariable('cpu',                    'build for the specified CPU (board will be inferred, if possible)',                    'auto',                    allowed_values = cpu_list + [ 'auto' ] ),  MatchEnumVariable('allocator',                    'select memory allocator',                    'auto',                    allowed_values=[ 'newlib', 'multiple', 'simple', 'auto' ] ),  MatchEnumVariable('board',                    'selects board for target (cpu will be inferred)',                    'auto',                    allowed_values=board_list.keys() + [ 'auto' ] ),  MatchEnumVariable('toolchain',                    'specifies toolchain to use (auto=search for usable toolchain)',                    'auto',                    allowed_values=toolchain_list.keys() + [ 'auto' ] ),  BoolVariable(     'optram',                    'enables Lua Tiny RAM enhancements',                    True ),  MatchEnumVariable('boot',                    'boot mode, standard will boot to shell, luarpc boots to an rpc server',                    'standard',                    allowed_values=[ 'standard' , 'luarpc' ] ),  MatchEnumVariable('romfs',                    'ROMFS compilation mode',                    'verbatim',                    allowed_values=[ 'verbatim' , 'compress', 'compile' ] ) )vars.Update(comp)if not GetOption( 'help' ):  conf = Configure(comp)  # Variants: board = <board>  #           cpu = <cpuname>  #           board = <board> cpu=<cpuname>  if comp['board'] == 'auto' and comp['cpu'] == 'auto':    print "Must specifiy board, cpu, or both"    Exit( -1 )  elif comp['board'] != 'auto' and comp['cpu'] != 'auto':    # Check if the board, cpu pair is correct    if not comp['cpu'] in board_list[ comp['board'] ]:      print "Invalid CPU %s for board %s" % ( comp['cpu'], comp['board'] )      Exit( -1 )  elif comp['board'] != 'auto':    # Find CPU    comp['cpu'] = board_list[ comp['board'] ][ 0 ]  else:    # cpu = <cputype>    # Find board name    for b, v in board_list.items():      if comp['cpu'] in v:        comp['board'] = b        break    else:      print "CPU %s not found" % comp['cpu']      Exit( -1 )  # Look for the given CPU in the list of platforms  platform = None  for p, v in platform_list.items():    if comp['cpu'] in v[ 'cpus' ]:      platform = p      break  else:    print "Unknown CPU %s" % comp['cpu']    print "List of accepted CPUs: "    for p, v in platform_list.items():      print " ", p, "-->",      for cpu in v[ 'cpus' ]:        print cpu,      print    Exit( -1 )  # Check the toolchain  if comp['toolchain'] != 'auto':    if not comp['toolchain'] in platform_list[ platform ][ 'toolchains' ]:      print "Invalid toolchain '%s' for CPU '%s'" % ( comp['toolchain'], comp['cpu'] )      Exit( -1 )    toolset = toolchain_list[ comp['toolchain'] ]    comp[ 'CC' ] = toolset[ 'compile' ]    comp[ 'AS' ] = toolset[ 'compile' ]  else:    # if 'auto' try to match a working toolchain with target    usable_chains = [toolchain_list[ toolchain ][ 'compile' ] for toolchain in platform_list[ platform ]['toolchains']]    comp['CC'] = comp.Detect( usable_chains )    if comp['CC']:        comp['toolchain'] =  platform_list[ platform ]['toolchains'][usable_chains.index(comp['CC'])]        comp['AS'] = comp['CC']        toolset = toolchain_list[ comp['toolchain'] ]    else:      print "Unable to find usable toolchain in your path."      print "List of accepted toolchains (for %s):" % ( comp['cpu'] )      print ', '.join(usable_chains)      Exit( -1 )    if not conf.CheckCC():      print "Test compile failed with selected toolchain: %s" % (comp['toolchain'])      Exit( -1 )  # CPU/allocator mapping (if allocator not specified)  if comp['allocator'] == 'auto':    if comp['board'] in ['LPC-H2888', 'ATEVK1100', 'MBED']:      comp['allocator'] = 'multiple'    else:      comp['allocator'] = 'newlib'  # Build the compilation command now  compcmd = ''  if comp['romfs'] == 'compile':    if syspl.system() == 'Windows':      suffix = '.exe'    else:      suffix = '.elf'    # First check for luac.cross in the current directory    if not os.path.isfile( "luac.cross" + suffix ):      print "The eLua cross compiler was not found."      print "Build it by running 'scons -f cross-lua.py'"      Exit( -1 )    compcmd = os.path.join( os.getcwd(), 'luac.cross%s -ccn %s -cce %s -o %%s -s %%s' % ( suffix, toolset[ 'cross_%s' % comp['target'] ], toolset[ 'cross_cpumode' ] ) )  elif comp['romfs'] == 'compress':    compcmd = 'lua luasrcdiet.lua --quiet --maximum --opt-comments --opt-whitespace --opt-emptylines --opt-eols --opt-strings --opt-numbers --opt-locals -o %s %s'  # User report  if not GetOption( 'clean' ):    print    print "*********************************"    print "Compiling eLua ..."    print "CPU:            ", comp['cpu']    print "Board:          ", comp['board']    print "Platform:       ", platform    print "Allocator:      ", comp['allocator']    print "Boot Mode:      ", comp['boot']    print "Target:         ", comp['target']    print "Toolchain:      ", comp['toolchain']    print "ROMFS mode:     ", comp['romfs']    print "*********************************"    print  output = 'elua_' + comp['target'] + '_' + comp['cpu'].lower()  comp.Append(CPPDEFINES = { 'ELUA_CPU' : comp['cpu'],                             'ELUA_BOARD' : comp['board'],                             'ELUA_PLATFORM' : platform.upper() } )  comp.Append(CPPDEFINES = {'__BUFSIZ__' : 128})  # Also make the above into direct defines (to use in conditional C code)  conf.env.Append(CPPDEFINES = ["ELUA_CPU_" + cnorm( comp['cpu'] ), "ELUA_BOARD_" + cnorm( comp['board'] ), "ELUA_PLATFORM_" +  cnorm( platform )])  if comp['allocator'] == 'multiple':     conf.env.Append(CPPDEFINES = ['USE_MULTIPLE_ALLOCATOR'])  elif comp['allocator'] == 'simple':     conf.env.Append(CPPDEFINES = ['USE_SIMPLE_ALLOCATOR'])  if comp['boot'] == 'luarpc':    conf.env.Append(CPPDEFINES = ['ELUA_BOOT_RPC'])  # Special macro definitions for the SYM target  if platform == 'sim':    conf.env.Append(CPPDEFINES = ['ELUA_SIMULATOR',"ELUA_SIM_" + cnorm( comp['cpu'] ) ] )  # Lua source files and include path  lua_files = """lapi.c lcode.c ldebug.c ldo.c ldump.c lfunc.c lgc.c llex.c lmem.c lobject.c lopcodes.c    lparser.c lstate.c lstring.c ltable.c ltm.c lundump.c lvm.c lzio.c lauxlib.c lbaselib.c    ldblib.c liolib.c lmathlib.c loslib.c ltablib.c lstrlib.c loadlib.c linit.c lua.c lrotable.c legc.c"""  lua_full_files = " " + " ".join( [ "src/lua/%s" % name for name in lua_files.split() ] )    comp.Append(CPPPATH = ['inc', 'inc/newlib',  'inc/remotefs', 'src/platform', 'src/lua'])  if comp['target'] == 'lualong':    conf.env.Append(CPPDEFINES = ['LUA_NUMBER_INTEGRAL'])  conf.env.Append(CPPPATH = ['src/modules', 'src/platform/%s' % platform])  conf.env.Append(CPPDEFINES = {"LUA_OPTIMIZE_MEMORY" : ( comp['optram'] != 0 and 2 or 0 ) } )  # Additional libraries  local_libs = ''  # Application files  app_files = """ src/main.c src/romfs.c src/semifs.c src/xmodem.c src/shell.c src/term.c src/common.c src/common_tmr.c src/buf.c src/elua_adc.c src/dlmalloc.c                   src/salloc.c src/luarpc_elua_uart.c src/elua_int.c src/linenoise.c src/common_uart.c src/eluarpc.c """  # Newlib related files  newlib_files = " src/newlib/devman.c src/newlib/stubs.c src/newlib/genstd.c src/newlib/stdtcp.c"  # UIP files  uip_files = "uip_arp.c uip.c uiplib.c dhcpc.c psock.c resolv.c"  uip_files = " src/elua_uip.c " + " ".join( [ "src/uip/%s" % name for name in uip_files.split() ] )  comp.Append(CPPPATH = ['src/uip'])  # FatFs files  app_files = app_files + "src/elua_mmc.c src/mmcfs.c src/fatfs/ff.c src/fatfs/ccsbcs.c "  comp.Append(CPPPATH = ['src/fatfs'])  # Lua module files  module_names = "pio.c spi.c tmr.c pd.c uart.c term.c pwm.c lpack.c bit.c net.c cpu.c adc.c can.c luarpc.c bitarray.c elua.c i2c.c"  module_files = " " + " ".join( [ "src/modules/%s" % name for name in module_names.split() ] )  # Remote file system files  rfs_names = "remotefs.c client.c elua_os_io.c elua_rfs.c"  rfs_files = " " + " ".join( [ "src/remotefs/%s" % name for name in rfs_names.split() ] )  # Optimizer flags (speed or size)  comp.Append(CCFLAGS = ['-Os','-fomit-frame-pointer'])  #opt += " -ffreestanding"  #opt += " -fconserve-stack" # conserve stack at potential speed cost, >=GCC4.4  # Toolset data (filled by each platform in part)  tools = {}  # We get platform-specific data by executing the platform script  execfile( "src/platform/%s/conf.py" % platform )  # Complete file list  source_files = Split( app_files + specific_files + newlib_files + uip_files + lua_full_files + module_files + rfs_files )    comp = conf.Finish()  # Make ROM File System first  if not GetOption( 'clean' ):    print "Building ROM File System..."    romdir = "romfs"    flist = []    for sample in file_list[ comp['board'] ]:      flist += romfs[ sample ]    import mkfs    mkfs.mkfs( romdir, "romfiles", flist, comp['romfs'], compcmd )    print    if os.path.exists( "inc/romfiles.h" ):       os.remove( "inc/romfiles.h" )    shutil.move( "romfiles.h", "inc/" )    if os.path.exists( "src/fs.o" ):       os.remove( "src/fs.o" )  # comp.TargetSignatures( 'content' )  # comp.SourceSignatures( 'MD5' )  comp[ 'INCPREFIX' ] = "-I"  Default( comp.Program( target = output, source = source_files ) )  Decider( 'MD5-timestamp' )  # Programming target  prog = Environment( BUILDERS = { 'program' : Builder( action = Action ( tools[ platform ][ 'progfunc' ] ) ) }, ENV = os.environ )  prog.program( "prog", output + ".elf" )Help(vars.GenerateHelpText(comp))