Files
Linux_Drivers/u-boot-2021.10/drivers/bootcount/bootcount_env.c
sam.xiang f8fc109960 [uboot] create uboot from github:
repo: https://github.com/u-boot/u-boot
	commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91

Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29
2023-03-10 20:30:57 +08:00

30 lines
540 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2013
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*/
#include <common.h>
#include <env.h>
void bootcount_store(ulong a)
{
int upgrade_available = env_get_ulong("upgrade_available", 10, 0);
if (upgrade_available) {
env_set_ulong("bootcount", a);
env_save();
}
}
ulong bootcount_load(void)
{
int upgrade_available = env_get_ulong("upgrade_available", 10, 0);
ulong val = 0;
if (upgrade_available)
val = env_get_ulong("bootcount", 10, 0);
return val;
}