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d6c874b0ad
Allow the application start address to be configurable from "make menuconfig". Add a build check to verify the final binary can fit within the configured size. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
#!/usr/bin/env python3
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# Tool to check final CanBoot binary size
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#
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# Copyright (C) 2022 Kevin O'Connor <kevin@koconnor.net>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import sys, argparse
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ERR_MSG = """
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The CanBoot binary is too large for the configured APPLICATION_START.
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Rerun "make menuconfig" and either increase the APPLICATION_START or
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disable features to reduce the final binary size.
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"""
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def main():
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parser = argparse.ArgumentParser(description="Build CanBoot binary")
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parser.add_argument("-b", "--base", help="Address of flash start")
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parser.add_argument("-s", "--start", help="Address of application start")
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parser.add_argument("input_file", help="Raw binary filename")
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parser.add_argument("output_file", help="Final binary filename")
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args = parser.parse_args()
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start = int(args.start, 0)
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base = int(args.base, 0)
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max_size = start - base
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f = open(args.input_file, 'rb')
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data = f.read()
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f.close()
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if len(data) > max_size:
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msg = "\nMaximum size %d. Current size %d.\n\n" % (max_size, len(data))
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sys.stderr.write(ERR_MSG + msg)
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sys.exit(-1)
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f = open(args.output_file, 'wb')
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f.write(data)
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f.close()
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if __name__ == '__main__':
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main()
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