mirror of https://github.com/m-labs/artiq
48 lines
1.2 KiB
Python
Executable File
48 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
import argparse
|
|
import struct
|
|
|
|
|
|
def get_argparser():
|
|
parser = argparse.ArgumentParser(description="ARTIQ flash storage image generator")
|
|
|
|
parser.add_argument("output", help="output file")
|
|
|
|
parser.add_argument("-s", nargs=2, action="append", default=[],
|
|
metavar=("KEY", "STRING"),
|
|
help="add string")
|
|
parser.add_argument("-f", nargs=2, action="append", default=[],
|
|
metavar=("KEY", "FILENAME"),
|
|
help="add file contents")
|
|
|
|
return parser
|
|
|
|
|
|
def write_record(f, key, value):
|
|
key_size = len(key) + 1
|
|
value_size = len(value)
|
|
record_size = key_size + value_size + 4
|
|
f.write(struct.pack(">l", record_size))
|
|
f.write(key.encode())
|
|
f.write(b"\x00")
|
|
f.write(value)
|
|
|
|
|
|
def write_end_marker(f):
|
|
f.write(b"\xff\xff\xff\xff")
|
|
|
|
|
|
def main():
|
|
args = get_argparser().parse_args()
|
|
with open(args.output, "wb") as fo:
|
|
for key, string in args.s:
|
|
write_record(fo, key, string.encode())
|
|
for key, filename in args.f:
|
|
with open(filename, "rb") as fi:
|
|
write_record(fo, key, fi.read())
|
|
write_end_marker(fo)
|
|
|
|
if __name__ == "__main__":
|
|
main()
|