diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/bootcount/bootcount_env.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/bootcount/bootcount_env.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/bootcount/bootcount_env.c b/qemu/roms/u-boot/drivers/bootcount/bootcount_env.c new file mode 100644 index 000000000..2d6e8db12 --- /dev/null +++ b/qemu/roms/u-boot/drivers/bootcount/bootcount_env.c @@ -0,0 +1,29 @@ +/* + * (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; +} |