From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/u-boot/drivers/bootcount/bootcount_env.c | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 qemu/roms/u-boot/drivers/bootcount/bootcount_env.c (limited to 'qemu/roms/u-boot/drivers/bootcount/bootcount_env.c') 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 + +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; +} -- cgit 1.2.3-korg