text: #!/usr/bin/env python3
  
  import argparse
  import os
  import struct
  
  def auto_int(x):
  	return int(x, 0)
  
  def create_header(args, size):
  	header = struct.pack('>III', args.entry_addr, args.load_addr, size)
  	return header
  
  def create_output(args):
  	in_st = os.stat(args.input_file)
  	in_size = in_st.st_size
  
  	header = create_header(args, in_size)
  	print(header)
  
  	in_f = open(args.input_file, 'r+b')
  	in_bytes = in_f.read(in_size)
  	in_f.close()
  
  	out_f = open(args.output_file, 'w+b')
  	out_f.write(header)
  	out_f.write(in_bytes)
  	out_f.close()
  
  def main():
  	global args
  
  	parser = argparse.ArgumentParser(description='')
  
  	parser.add_argument('--entry-addr',
  		dest='entry_addr',
  		action='store',
  		type=auto_int,
  		help='Entry Address')
  
  	parser.add_argument('--input-file',
  		dest='input_file',
  		action='store',
  		type=str,
  		help='Input file')
  
  	parser.add_argument('--load-addr',
  		dest='load_addr',
  		action='store',
  		type=auto_int,
  		help='Load Address')
  
  	parser.add_argument('--output-file',
  		dest='output_file',
  		action='store',
  		type=str,
  		help='Output file')
  
  	args = parser.parse_args()
  
  	if (not args.input_file) or (not args.output_file):
  		parser.print_help()
  
  	if not args.entry_addr:
  		args.entry_addr = 0x80010000
  
  	if not args.load_addr:
  		args.load_addr = 0x80010000
  
  	create_output(args)
  
  main()
  