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#!/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()
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