mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-27 05:23:34 +00:00
23 lines
333 B
C
23 lines
333 B
C
|
/*
|
||
|
|
* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: GPL-2.0+
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _TABLES_CSUM_H_
|
||
|
|
#define _TABLES_CSUM_H_
|
||
|
|
|
||
|
|
static inline 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;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|