mirror of https://github.com/google/pebble
64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
# Build script for the silk loader
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import sys
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import os
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from waflib import Logs
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def options(opt):
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opt.load('gcc')
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def configure(conf):
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# Find our binary tools
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conf.find_program('arm-none-eabi-gcc', var='CC', mandatory=True)
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conf.env.AS = conf.env.CC
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conf.find_program('arm-none-eabi-gcc-ar', var='AR', mandatory=True)
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conf.load('gcc')
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for tool in 'ar objcopy'.split():
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conf.find_program('arm-none-eabi-' + tool, var=tool.upper(), mandatory=True)
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# Set up our compiler configuration
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CPU_FLAGS = ['-mcpu=cortex-m3', '-mthumb']
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OPT_FLAGS = ['-Os', '-g']
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C_FLAGS = [
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'-std=c11', '-ffunction-sections',
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'-Wall', '-Wextra', '-Werror', '-Wpointer-arith',
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'-Wno-unused-parameter', '-Wno-missing-field-initializers',
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'-Wno-error=unused-function', '-Wno-error=unused-variable',
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'-Wno-error=unused-parameter', '-Wno-error=unused-but-set-variable',
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'-Wno-packed-bitfield-compat'
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]
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LINK_FLAGS = ['-Wl,--gc-sections', '-specs=nano.specs']
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conf.env.append_unique('CFLAGS', CPU_FLAGS + OPT_FLAGS + C_FLAGS)
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conf.env.append_unique('LINKFLAGS', LINK_FLAGS + CPU_FLAGS + OPT_FLAGS)
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conf.env.append_unique('DEFINES', ['_REENT_SMALL=1'])
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# Load up other waftools that we need
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conf.load('objcopy ldscript', tooldir='waftools')
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def build(bld):
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elf_node = bld.path.get_bld().make_node('loader.elf')
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linkflags = ['-Wl,-Map,loader.map']
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sources = ['src/**/*.c']
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includes = ['src']
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bld.program(features="objcopy",
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source=bld.path.ant_glob(sources),
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includes=includes,
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target=elf_node,
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ldscript='src/stm32f4_loader.ld',
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linkflags=linkflags,
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objcopy_bfdname='ihex',
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objcopy_target=elf_node.change_ext('.hex'))
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import objcopy
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bld(rule=objcopy.objcopy_simple_bin, source='loader.elf', target='loader.bin')
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# vim:filetype=python
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