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author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/drivers/bootcount/bootcount_env.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
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; +} |