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- import argparse
- import binascii
- import struct
- import sys
-
- def any_int(x):
- try:
- return int(x, 0)
- except:
- raise argparse.ArgumentTypeError("expected an integer, not '{!r}'".format(x))
-
- parser = argparse.ArgumentParser()
- parser.add_argument("ifile", help="Input application binary (binary)")
- parser.add_argument("ofile", help="Output header file (binary)")
- parser.add_argument("-a", "--addr", help="Load address of the application image",
- type=any_int, default=0x10004000)
- parser.add_argument("-m", "--map", help="Map file to scan for application image section")
- parser.add_argument("-s", "--section", help="Section name to look for in map file",
- default=".app_bin")
- args = parser.parse_args()
-
- try:
- idata = open(args.ifile, "rb").read()
- except:
- sys.exit("Could not open input file '{}'".format(args.ifile))
-
- if args.map:
- vtor = None
- with open(args.map) as mapfile:
- for line in mapfile:
- if line.startswith(args.section):
- parts = line.split()
- if len(parts)>1:
- vtor = int(parts[1],0)
- print('found address 0x%x for %s in %s'%(vtor,args.section,args.map))
- break
-
- if vtor is None:
- sys.exit("Could not find section {} in {}".format(args.section,args.map))
- else:
- vtor = args.addr
-
- size = len(idata)
- crc = binascii.crc32(idata)
-
- odata = vtor.to_bytes(4, byteorder='little') + size.to_bytes(4, byteorder='little') + crc.to_bytes(4, byteorder='little')
-
- try:
- with open(args.ofile, "wb") as ofile:
- ofile.write(odata)
- except:
- sys.exit("Could not open output file '{}'".format(args.ofile))
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