From b38c2458d4ccbabbfdf1beb9df483b609a9513f8 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Tue, 4 Feb 2020 17:00:28 +0100 Subject: scripts/signrom: remove Python 2 support, add shebang MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Philippe Mathieu-Daudé Signed-off-by: Paolo Bonzini Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20200204160028.16211-1-pbonzini@redhat.com> Signed-off-by: Philippe Mathieu-Daudé --- scripts/signrom.py | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'scripts') diff --git a/scripts/signrom.py b/scripts/signrom.py index 313ee28a17..9be5dab1cf 100644 --- a/scripts/signrom.py +++ b/scripts/signrom.py @@ -1,3 +1,5 @@ +#!/usr/bin/env python3 + from __future__ import print_function # # Option ROM signing utility @@ -44,14 +46,8 @@ 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) + checksum = (checksum - b) & 255 + fout.write(struct.pack('B', checksum)) fin.close() -- cgit v1.2.3