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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-23 07:58:09 +00:00
trezor-firmware/legacy/bootloader/firmware_align.py
2019-04-18 17:40:55 +02:00

18 lines
353 B
Python
Executable File

#!/usr/bin/env python3
import os
import sys
TOTALSIZE = 32768
MAXSIZE = TOTALSIZE - 32
fn = sys.argv[1]
fs = os.stat(fn).st_size
if fs > MAXSIZE:
raise Exception(
"bootloader has to be smaller than %d bytes (current size is %d)"
% (MAXSIZE, fs)
)
with open(fn, "ab") as f:
f.write(b"\x00" * (TOTALSIZE - fs))
f.close()