[tools] Move dumptool to ltchiptool
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# Copyright (c) Kuba Szczodrzyński 2022-06-12.
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@@ -1,69 +0,0 @@
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# Copyright 2022-04-24 kuba2k2
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import sys
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from os.path import dirname, join
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sys.path.append(join(dirname(__file__), ".."))
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from argparse import ArgumentParser, FileType
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from binascii import crc32
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from os import makedirs
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from os.path import basename, dirname, join
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from tools.util.crc16 import CRC16
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from tools.util.platform import get_board_manifest
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if __name__ == "__main__":
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parser = ArgumentParser("dumptool", description="Convert flash dump images")
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parser.add_argument("action", choices=["split"])
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parser.add_argument("board", help="Board name or board.json file", type=str)
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parser.add_argument("file", help="Input file", type=FileType("rb"))
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parser.add_argument("--output", "-o", help="Output directory", type=str)
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parser.add_argument("--no-trim", "-n", help="Don't trim output binaries")
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parser.add_argument("--no-checksum", "-c", help="Don't append checksum to filename")
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args = parser.parse_args()
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board = get_board_manifest(args.board)
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if "flash" not in board:
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print("Flash layout not defined")
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exit()
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flash_layout = board["flash"]
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output = join(dirname(args.file.name), basename(args.file.name) + ".split")
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output = args.output or output
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makedirs(output, exist_ok=True)
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with args.file as f:
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dump = f.read()
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for name, layout in flash_layout.items():
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(offset, _, length) = layout.partition("+")
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offset = int(offset, 16)
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length = int(length, 16)
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if offset + length > len(dump):
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print(f"Partition '{name}' is out of bounds!")
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print(f" - Dump size: {hex(len(dump))}")
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print(f" - Partition start: {hex(offset)}")
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print(f" - Partition length: {hex(length)}")
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print(f" - Partition end: {hex(offset+length)}")
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exit()
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part = dump[offset : offset + length]
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offset = offset.to_bytes(length=3, byteorder="big").hex().upper()
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filename = f"{offset}_{name}.bin"
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if not args.no_trim:
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part = part.rstrip(b"\xff")
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if not args.no_checksum:
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if length > 0x10000: # 64 KiB
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cs = crc32(part)
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cs = cs.to_bytes(length=4, byteorder="big")
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else:
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cs = CRC16.ARC.calc(part)
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cs = cs.to_bytes(length=2, byteorder="big")
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filename = f"{offset}_{name}_{cs.hex().upper()}.bin"
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print(f"Writing {filename}")
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with open(join(output, filename), "wb") as f:
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f.write(part)
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