pebble/platform/tintin/boot/wscript

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import os
import sys
import waflib.Logs
sys.path.append(os.path.abspath('waftools'))
import objcopy
import gitinfo
def options(opt):
opt.load('compiler_c')
opt.add_option('--board', action='store', default='bb2',
help='Which board to build for '
'(bb2|ev2_4|v1_5|v2_0)',
choices=['bb2',
'ev2_4',
'v1_5',
'v2_0'])
opt.add_option('--nowatchdog', action='store_true',
help='Do not enable watchdog timer or reset upon failure')
opt.add_option('--loglevel', type='int', default=0,
help='Set the logging verbosity [default: %default]')
opt.add_option('--displaydemo', action='store_true',
help='Make the bootloader infinitely loop through boot splash and error codes')
def configure(conf):
CPU_FLAGS = ['-mcpu=cortex-m3', '-mthumb']
OPT_FLAGS = ['-Os', '-g', '-flto', '-fno-fat-lto-objects', '-ffunction-sections',
'-fdata-sections', '-fno-if-conversion', '-fno-optimize-sibling-calls']
C_FLAGS = [
'-std=c11', '-ffreestanding',
'-Wall', '-Wextra', '-Werror', '-Wpointer-arith',
'-Wno-unused-parameter', '-Wno-missing-field-initializers',
'-Wno-error=unused-function', '-Wno-error=unused-variable',
'-Wno-error=unused-parameter', '-Wno-error=unused-but-set-variable',
'-Wno-packed-bitfield-compat'
]
conf.find_program('arm-none-eabi-gcc', var='CC', mandatory=True)
conf.env.AS = conf.env.CC
for tool in 'ar objcopy'.split():
conf.find_program('arm-none-eabi-' + tool, var=tool.upper(),
mandatory=True)
conf.env.BOARD = conf.options.board
conf.env.append_value('CFLAGS', CPU_FLAGS + OPT_FLAGS + C_FLAGS)
conf.env.append_value('DEFINES', [
'_REENT_SMALL=1',
'USE_STDPERIPH_DRIVER=1',
'BOARD_' + conf.options.board.upper()
])
conf.env.append_value('LINKFLAGS', ['-Wl,--cref', '-Wl,--gc-sections',
'-Wl,--sort-section=alignment', '-nostdlib'] +
CPU_FLAGS + OPT_FLAGS)
if conf.options.nowatchdog:
conf.env.append_value('DEFINES', 'NO_WATCHDOG')
if conf.options.displaydemo:
conf.env.append_value('DEFINES', 'DISPLAY_DEMO_LOOP')
conf.env.BOOTLOADER_LENGTH = '16384'
conf.env.append_value(
'DEFINES', 'BOOTLOADER_LENGTH=' + conf.env.BOOTLOADER_LENGTH)
conf.load('gcc gas objcopy ldscript')
conf.load('binary_header')
conf.load('file_name_c_define')
def build(bld):
if bld.cmd == 'install':
raise Exception("install isn't a supported command. Did you mean flash?")
linkflags = ['-Wl,-Map,tintin_boot.map']
sources = (
bld.path.ant_glob('src/*.S') +
bld.path.ant_glob('src/**/*.c'))
bld(features='subst',
source='src/git_version.auto.h.in',
target='src/git_version.auto.h',
**gitinfo.get_git_revision(bld))
bld.recurse('libc')
bld.recurse('vendor')
bld(features='subst',
source='src/stm32f_flash_boot.ld.in',
target='src/stm32f_flash_boot.ld')
bld(features='c asm cprogram objcopy',
source=sources,
includes='src',
target='tintin_boot.elf',
ldscript='src/stm32f_flash_boot.ld',
linkflags=linkflags,
objcopy_bfdname='ihex',
objcopy_target='tintin_boot.hex',
use=['stm32_stdlib', 'pblibc'],
lib=['gcc'])
bld(rule=objcopy.objcopy_simple_bin, source='tintin_boot.elf', target='tintin_boot.bin')
# vim:filetype=python