SConscript.target

   1 import subprocess
   2 import os
   3
   4 Import('env')
   5 env = env.Clone()
   6
   7 host = os.environ.get('HOST', 'arm-none-eabi-')
   8
   9 d = {
  10     'CC': 'gcc',
  11     'LD': 'ld',
  12     'AR': 'ar',
  13     'RANLIB': 'ranlib',
  14     'OBJCOPY': 'objcopy',
  15 }
  16
  17 for k, v in d.items():
  18     env[k] = host + v
  19
  20 env.Append(CCFLAGS = [
  21     '-mcpu=cortex-m0plus',
  22     '-mthumb',
  23     '-ffunction-sections',
  24     '-fdata-sections',
  25     '-Os',
  26 ])
  27
  28 env.Append(LINKFLAGS = [
  29     '-mcpu=cortex-m0plus',
  30     '-mthumb',
  31     '-specs=nano.specs',
  32     '-specs=nosys.specs',
  33     '-nostdlib',
  34     '-nostartfiles',
  35 ])
  36
  37 libgcc_path = \
  38     subprocess.check_output('{} -print-libgcc-file-name'.format(env['CC']),
  39                             shell=True).strip()
  40
  41 env.Append(RUSTCFLAGS = [
  42     '-C', 'opt-level=s',
  43     '--target=thumbv6m-none-eabi',
  44     '-L', '$LIBPATH',
  45 ])
  46
  47 env.Append(LINKFLAGS = [
  48     '-Wl,--gc-sections'
  49 ])
  50
  51 SConscript('SConscript.libcommon', exports='env', duplicate=0)
  52
  53 libbootloader_source_files = [
  54     'src/bootloader/main.rs', # Must be listed first (see below).
  55     'src/bootloader/bootloader.rs',
  56     'src/bootloader/flash.rs',
  57 ]
  58
  59 start_o = env.Object('src/bootloader/start.c')
  60
  61 for s in ['intermediate', 'final']:
  62     libbootloader_env = env.Clone()
  63
  64     libbootloader_env.Append(RUSTCFLAGS = [
  65         '--cfg',
  66         'bootloader_type=\\"{}\\"'.format(s)
  67     ])
  68
  69     libbootloader = libbootloader_env.Rustc('libbootloader-{}.a'.format(s),
  70                                             libbootloader_source_files[0])
  71
  72     for f in libbootloader_source_files:
  73         Depends(libbootloader, f)
  74
  75     Depends(libbootloader, 'libcommon.rlib')
  76     Depends(libbootloader, 'libcommon.a')
  77
  78     bootloader_env = env.Clone()
  79
  80     bootloader_env.Append(LINKFLAGS = [
  81         '-Tsrc/bootloader/bootloader-{}.ld'.format(s),
  82     ])
  83
  84     bootloader_libs = [
  85         'bootloader-{}'.format(s),
  86         'common',
  87         File(libgcc_path),
  88     ]
  89
  90     bootloader_elf = \
  91         bootloader_env.Program('gps-watch-bootloader-{}.elf'.format(s),
  92                                start_o, LIBS = bootloader_libs)
  93
  94     bootloader_bin = bootloader_env.Objcopy(bootloader_elf)
  95
  96     Default(bootloader_bin)
  97
  98 libapplication_source_files = [
  99     'src/application/main.rs', # Must be listed first (see below).
 100 ]
 101
 102 libapplication = env.Rustc('libapplication.a', libapplication_source_files[0])
 103
 104 for f in libapplication_source_files:
 105     Depends(libapplication, f)
 106
 107 Depends(libapplication, 'libcommon.rlib')
 108 Depends(libapplication, 'libcommon.a')
 109
 110 start_o = env.Object('src/application/start.c')
 111
 112 application_env = env.Clone()
 113
 114 application_env.Append(LINKFLAGS = [
 115     '-Tsrc/application/application.ld'
 116 ])
 117
 118 application_libs = [
 119     'application',
 120     'common',
 121     File(libgcc_path),
 122 ]
 123
 124 application_elf = application_env.Program('gps-watch-application.elf',
 125                                           start_o, LIBS = application_libs)
 126
 127 application_bin = application_env.Objcopy(application_elf)
 128
 129 Default(application_bin)