scripts/cfe-bin-header.py

   1 #!/usr/bin/env python3
   2
   3 import argparse
   4 import os
   5 import struct
   6
   7 def auto_int(x):
   8         return int(x, 0)
   9
  10 def create_header(args, size):
  11         header = struct.pack('>III', args.entry_addr, args.load_addr, size)
  12         return header
  13
  14 def create_output(args):
  15         in_st = os.stat(args.input_file)
  16         in_size = in_st.st_size
  17
  18         header = create_header(args, in_size)
  19         print(header)
  20
  21         in_f = open(args.input_file, 'r+b')
  22         in_bytes = in_f.read(in_size)
  23         in_f.close()
  24
  25         out_f = open(args.output_file, 'w+b')
  26         out_f.write(header)
  27         out_f.write(in_bytes)
  28         out_f.close()
  29
  30 def main():
  31         global args
  32
  33         parser = argparse.ArgumentParser(description='')
  34
  35         parser.add_argument('--entry-addr',
  36                 dest='entry_addr',
  37                 action='store',
  38                 type=auto_int,
  39                 help='Entry Address')
  40
  41         parser.add_argument('--input-file',
  42                 dest='input_file',
  43                 action='store',
  44                 type=str,
  45                 help='Input file')
  46
  47         parser.add_argument('--load-addr',
  48                 dest='load_addr',
  49                 action='store',
  50                 type=auto_int,
  51                 help='Load Address')
  52
  53         parser.add_argument('--output-file',
  54                 dest='output_file',
  55                 action='store',
  56                 type=str,
  57                 help='Output file')
  58
  59         args = parser.parse_args()
  60
  61         if (not args.input_file) or (not args.output_file):
  62                 parser.print_help()
  63
  64         if not args.entry_addr:
  65                 args.entry_addr = 0x80010000
  66
  67         if not args.load_addr:
  68                 args.load_addr = 0x80010000
  69
  70         create_output(args)
  71
  72 main()