zephyr/scripts/mergehex.py

59 lines
1.7 KiB
Python

#!/usr/bin/env python3
#
# Copyright (c) 2018 Nordic Semiconductor ASA
#
# SPDX-License-Identifier: Apache-2.0
# This merges a set of input hex files into a single output hex file.
# Any conflicts will result in an error being reported.
from intelhex import IntelHex
from intelhex import AddressOverlapError
import argparse
def merge_hex_files(output, input_hex_files, overlap):
ih = IntelHex()
for hex_file_path in input_hex_files:
to_merge = IntelHex(hex_file_path)
# Since 'arm-none-eabi-objcopy' incorrectly inserts record
# type '03 - Start Segment Address', we need to remove the
# start_addr to avoid conflicts when merging.
to_merge.start_addr = None
try:
ih.merge(to_merge, overlap=overlap)
except AddressOverlapError:
raise AddressOverlapError("{} has merge issues".format(hex_file_path))
print("Merged {}".format(hex_file_path))
ih.write_hex_file(output)
def parse_args():
parser = argparse.ArgumentParser(
description="Merge hex files.",
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument("-o", "--output", required=False, default="merged.hex",
type=argparse.FileType('w', encoding='UTF-8'),
help="Output file name.")
parser.add_argument("--overlap", default="error",
help="What to do when files overlap (error, ignore, replace). "
"See IntelHex.merge() for more info.")
parser.add_argument("input_files", nargs='*')
return parser.parse_args()
def main():
args = parse_args()
merge_hex_files(args.output, args.input_files, args.overlap)
if __name__ == "__main__":
main()