mirror of https://github.com/google/pebble
				
				
				
			
		
			
				
	
	
		
			103 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Python
		
	
	
	
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='silk',
 | 
						|
                   help='Which board to build for '
 | 
						|
                   '(silk)',
 | 
						|
                   choices=['silk'])
 | 
						|
    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-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.append_value('CFLAGS', CPU_FLAGS + OPT_FLAGS + C_FLAGS)
 | 
						|
    conf.env.append_value('DEFINES', [
 | 
						|
        '_REENT_SMALL=1',
 | 
						|
        'USE_STDPERIPH_DRIVER=1',
 | 
						|
        'BOARD_{}=1'.format(conf.options.board.upper())
 | 
						|
        ])
 | 
						|
 | 
						|
    conf.env.append_unique('LINKFLAGS',
 | 
						|
            ['-Wl,--cref', '-Wl,--gc-sections', '-specs=nano.specs']
 | 
						|
            + 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.recurse('vendor')
 | 
						|
 | 
						|
 | 
						|
def build(bld):
 | 
						|
    if bld.cmd == 'install':
 | 
						|
        raise Exception("install isn't a supported command. Did you mean flash?")
 | 
						|
 | 
						|
    linkflags = ['-Wl,-Map,silk_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('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',
 | 
						|
        lib=['gcc'])
 | 
						|
    bld(rule=objcopy.objcopy_simple_bin, source='tintin_boot.elf', target='tintin_boot.bin')
 | 
						|
# vim:filetype=python
 |