u-boot/drivers/bootcount/bootcount_env.c

30 lines
521 B
C
Raw Normal View History

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