historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/u-boot/lib/tables_csum.c

20 lines
305 B
C
Raw Normal View History

2024-01-16 17:20:27 +00:00
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
*/
#include <common.h>
#include <linux/ctype.h>
u8 table_compute_checksum(void *v, int len)
{
u8 *bytes = v;
u8 checksum = 0;
int i;
for (i = 0; i < len; i++)
checksum -= bytes[i];
return checksum;
}