pebble/platform/snowy/boot/wscript

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import os
import sys
import waflib.Logs
sys.path.append(os.path.abspath('waftools'))
import gitinfo
def options(opt):
opt.load('compiler_c')
opt.add_option('--board', action='store', default='snowy_bb',
help='Which board to build for '
'(snowy_bb|snowy_evt|snowy_evt2|spalding)',
choices=[ 'snowy_bb',
'snowy_bb2', # Alias for snowy_evt2
'snowy_dvt', # Alias for snowy_evt2
'snowy_s3',
'snowy_evt',
'snowy_evt2',
'spalding'])
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('--big-bootloader', action='store_true',
help='Build for boards with an unprogrammed FPGA, loading '
'and launching firmware at 0x08010000')
def configure(conf):
if conf.options.board in ('snowy_bb2', 'snowy_dvt', 'snowy_s3'):
conf.options.board = 'snowy_evt2'
CPU_FLAGS = [
'-mcpu=cortex-m4', '-mthumb',
'-mfpu=fpv4-sp-d16', '-mfloat-abi=softfp',
]
OPT_FLAGS = [ '-Os' ,'-g' ]
C_FLAGS = [
'-std=c11', '-ffunction-sections',
'-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.MICRO_FAMILY = 'STM32F4'
conf.env.append_unique('CFLAGS', CPU_FLAGS + OPT_FLAGS + C_FLAGS)
conf.env.append_unique('DEFINES', [
'_REENT_SMALL=1',
'USE_STDPERIPH_DRIVER=1',
'BOARD_' + conf.options.board.upper(),
'MICRO_FAMILY_' + conf.env.MICRO_FAMILY,
])
conf.env.append_unique('LINKFLAGS',
['-Wl,--cref', '-Wl,--gc-sections', '-specs=nano.specs']
+ CPU_FLAGS + OPT_FLAGS)
if conf.options.nowatchdog:
conf.env.append_unique('DEFINES', 'NO_WATCHDOG')
if conf.options.loglevel >= 1:
conf.env.append_unique('DEFINES', 'PBL_LOG_ENABLED')
if conf.options.loglevel >= 2:
conf.env.append_unique('DEFINES', 'VERBOSE_LOGGING')
if conf.options.big_bootloader:
conf.env.append_unique('DEFINES', 'BLANK_FPGA')
conf.env.BOOTLOADER_LENGTH = '65536'
else:
conf.env.BOOTLOADER_LENGTH = '16384'
conf.env.append_unique(
'DEFINES', 'BOOTLOADER_LENGTH=' + conf.env.BOOTLOADER_LENGTH)
conf.load('gcc gas objcopy ldscript')
conf.load('binary_header')
conf.load('file_name_c_define')
conf.recurse('vendor')
def build(bld):
if bld.cmd == 'install':
raise Exception("install isn't a supported command. Did you mean flash?")
linkflags = ['-Wl,-Map,snowy_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))
_generate_fpga_header(bld)
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='snowy_boot.elf',
ldscript='src/stm32f_flash_boot.ld',
linkflags=linkflags,
objcopy_bfdname='ihex',
objcopy_target='snowy_boot.hex',
use='stm32_stdlib')
def _generate_fpga_header(bld):
# This is temporary. The bootloader FPGA image will not need to be included
# in the bootloader once it is burned into the FPGA's NVCM.
if bld.env.BOARD in ('snowy_bb', 'snowy_evt'):
fpga_src = 'snowy_bb1_boot.fpga'
elif bld.env.BOARD in ('snowy_evt2',):
fpga_src = 'snowy_boot.fpga'
elif bld.env.BOARD in ('spalding',):
fpga_src = 'spalding_boot.fpga'
else:
fpga_src = None
if fpga_src:
bld(features='binary_header',
source='../' + fpga_src,
target='src/drivers/display/bootloader_fpga_bitstream.auto.h',
array_name='s_fpga_bitstream')
# vim:filetype=python