From e575a7f777ef8af1f7916333f9d812cd0c46e505 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 14 May 2020 18:19:35 +0200 Subject: [PATCH] scripts: support tags for CFE binaries MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit CFE loads binaries based on a 12 byte header which corresponds to: - u32: Load Address - u32: Entry Address - u32: Size Signed-off-by: Álvaro Fernández Rojas --- scripts/cfe-bin-header.py | 72 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100755 scripts/cfe-bin-header.py diff --git a/scripts/cfe-bin-header.py b/scripts/cfe-bin-header.py new file mode 100755 index 0000000000..476a36d8dd --- /dev/null +++ b/scripts/cfe-bin-header.py @@ -0,0 +1,72 @@ +#!/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()