1
0
Fork 0
wasp-os/tools/hex2c.py
Daniel Thompson 0678128c26 tools: hex2c: Add crc32s for each segment
Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>
2020-06-09 21:31:55 +01:00

41 lines
1.1 KiB
Python
Executable file

#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2020 Daniel Thompson
import binascii
import intelhex
import sys
def generate_c(ihex):
print('/* this file is auto-generated - DO NOT EDIT */')
print()
print('#include <stdint.h>')
print()
print('struct segment {')
print(' uint32_t start;');
print(' uint32_t end;');
print(' uint32_t crc32;')
print(' const uint8_t *data;')
print('};')
print()
for i, segment in enumerate(ihex.segments()):
print(f'static const uint8_t segment{i}[] = {{', end='')
for j in range(segment[0], segment[1]):
if 0 == j % 12:
print('\n ', end='')
print(f' 0x{ihex[j]:02x},', end='')
print('\n};\n')
print(f'const struct segment segments[] = {{')
for i, segment in enumerate(ihex.segments()):
sg = ihex.tobinarray(start=segment[0], end=segment[1]-1)
crc = binascii.crc32(sg)
print(f' 0x{segment[0]:08x}, 0x{segment[1]:08x}, 0x{crc:08x}, segment{i},')
print('};')
ihex = intelhex.IntelHex()
ihex.loadhex(sys.argv[1])
generate_c(ihex)