diff options
Diffstat (limited to 'cmd/bootcount.c')
-rw-r--r-- | cmd/bootcount.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/cmd/bootcount.c b/cmd/bootcount.c new file mode 100644 index 00000000000..5e3b66e676b --- /dev/null +++ b/cmd/bootcount.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <command.h> +#include <bootcount.h> + +static int do_bootcount_print(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + printf("%lu\n", bootcount_load()); + return CMD_RET_SUCCESS; +} + +static int do_bootcount_reset(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + /* + * note that we're explicitly not resetting the environment + * variable, so you still have the old bootcounter available + */ + bootcount_store(0); + return CMD_RET_SUCCESS; +} + +static struct cmd_tbl bootcount_sub[] = { + U_BOOT_CMD_MKENT(print, 1, 1, do_bootcount_print, "", ""), + U_BOOT_CMD_MKENT(reset, 1, 1, do_bootcount_reset, "", ""), +}; + +static int do_bootcount(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct cmd_tbl *cp; + + if (argc < 2) + return CMD_RET_USAGE; + + /* drop initial "bootcount" arg */ + argc--; + argv++; + + cp = find_cmd_tbl(argv[0], bootcount_sub, ARRAY_SIZE(bootcount_sub)); + if (cp) + return cp->cmd(cmdtp, flag, argc, argv); + + return CMD_RET_USAGE; +} + +U_BOOT_LONGHELP(bootcount, + "print - print current bootcounter\n" + "reset - reset the bootcounter"); + +U_BOOT_CMD(bootcount, 2, 1, do_bootcount, + "bootcount", + bootcount_help_text +); |