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- import os
- import re
- import shutil
- PREFIX = 'arm-none-eabi-'
- EXEC_PATH = ''
- if os.getenv('RTT_EXEC_PATH'):
- EXEC_PATH = os.getenv('RTT_EXEC_PATH')
- env = Environment(
- CC = PREFIX + 'gcc',
- AS = PREFIX + 'gcc',
- AR = PREFIX + 'ar', ARFLAGS = '-rc',
- CXX = PREFIX + 'g++',
- LINK = PREFIX + 'gcc',
- TARGET_EXT = 'elf',
- SIZE = PREFIX + 'size',
- OBJDUMP = PREFIX + 'objdump',
- OBJCPY = PREFIX + 'objcopy',
- CCFLAGS=Split('''
- -mcpu=cortex-m0plus
- -mthumb
- -O3
- -DNDEBUG
- -Wl,--build-id=none
- --specs=nosys.specs
- -nostartfiles
- -Wl,
- -Wl,-Map=bs2_default.elf.map
- '''),
- LINKFLAGS=Split('''
- -mcpu=cortex-m0plus
- -mthumb
- -O3
- -DNDEBUG
- --specs=nosys.specs
- -nostartfiles
- -Tsrc/rp2_common/boot_stage2/boot_stage2.ld
- '''),
- CPPDEFINES = Split('''
- PICO_BOARD=\"pico\"
- PICO_BUILD=1
- PICO_NO_HARDWARE=0
- DPICO_ON_DEVICE=1
- '''),
- CPPPATH = Split('''
- src/rp2_common/boot_stage2/asminclude
- src/rp2040/hardware_regs/include
- src/rp2_common/hardware_base/include
- src/common/pico_base/include
- src/boards/include
- src/rp2_common/pico_platform/include
- src/rp2_common/boot_stage2/include
- src/boards/include
- ''')
- )
- env.PrependENVPath('PATH', EXEC_PATH)
- env.Command(
- ['src/common/pico_base/include/pico/config_autogen.h','src/common/pico_base/include/pico/version.h'],
- '',
- 'python3 tools/generate_headers.py'
- )
- env.Program(
- 'bs2_default.elf',
- ['src/rp2_common/boot_stage2/compile_time_choice.S'],
- )
- env.Command(
- 'bs2_default.bin',
- 'bs2_default.elf',
- env['OBJCPY'] + ' -Obinary bs2_default.elf bs2_default.bin',
- )
- env.Command(
- 'bs2_default_padded_checksummed.S',
- 'bs2_default.bin',
- 'python3 src/rp2_common/boot_stage2/pad_checksum -s 0xffffffff bs2_default.bin bs2_default_padded_checksummed.S',
- )
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