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Diffstat (limited to 'qemu/roms/u-boot/drivers/bootcount/bootcount_env.c')
-rw-r--r--qemu/roms/u-boot/drivers/bootcount/bootcount_env.c29
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;
+}