mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 20:19:44 +00:00
f03868bd56
Change all Python code to use print as a function.
This is necessary for Python 3 compatibility.
Done using:
$ py=$( (g grep -l -E '^#!.*python';find -name '*.py' -printf '%P\n';) | \
sort -u | grep -v README.sh4)
$ futurize -w -f libfuturize.fixes.fix_print_with_import $py
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20180608122952.2009-2-ehabkost@redhat.com>
[ehabkost: fixup tests/docker/docker.py]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
59 lines
1.4 KiB
Python
59 lines
1.4 KiB
Python
from __future__ import print_function
|
|
#
|
|
# Option ROM signing utility
|
|
#
|
|
# Authors:
|
|
# Jan Kiszka <jan.kiszka@siemens.com>
|
|
#
|
|
# This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
# See the COPYING file in the top-level directory.
|
|
|
|
import sys
|
|
import struct
|
|
|
|
if len(sys.argv) < 3:
|
|
print('usage: signrom.py input output')
|
|
sys.exit(1)
|
|
|
|
fin = open(sys.argv[1], 'rb')
|
|
fout = open(sys.argv[2], 'wb')
|
|
|
|
magic = fin.read(2)
|
|
if magic != b'\x55\xaa':
|
|
sys.exit("%s: option ROM does not begin with magic 55 aa" % sys.argv[1])
|
|
|
|
size_byte = ord(fin.read(1))
|
|
fin.seek(0)
|
|
data = fin.read()
|
|
|
|
size = size_byte * 512
|
|
if len(data) > size:
|
|
sys.stderr.write('error: ROM is too large (%d > %d)\n' % (len(data), size))
|
|
sys.exit(1)
|
|
elif len(data) < size:
|
|
# Add padding if necessary, rounding the whole input to a multiple of
|
|
# 512 bytes according to the third byte of the input.
|
|
# size-1 because a final byte is added below to store the checksum.
|
|
data = data.ljust(size-1, b'\0')
|
|
else:
|
|
if ord(data[-1:]) != 0:
|
|
sys.stderr.write('WARNING: ROM includes nonzero checksum\n')
|
|
data = data[:size-1]
|
|
|
|
fout.write(data)
|
|
|
|
checksum = 0
|
|
for b in data:
|
|
# catch Python 2 vs. 3 differences
|
|
if isinstance(b, int):
|
|
checksum += b
|
|
else:
|
|
checksum += ord(b)
|
|
checksum = (256 - checksum) % 256
|
|
|
|
# Python 3 no longer allows chr(checksum)
|
|
fout.write(struct.pack('B', checksum))
|
|
|
|
fin.close()
|
|
fout.close()
|