blob: c358418ebe5fcabbd2bdc6cdffbea8958b500184 [file] [log] [blame]
Alex Kiernanb11ed7d2018-05-12 05:49:47 +00001// SPDX-License-Identifier: GPL-2.0+
2
3#include <common.h>
4#include <command.h>
5#include <bootcount.h>
6
7static int do_bootcount_print(cmd_tbl_t *cmdtp, int flag, int argc,
8 char * const argv[])
9{
10 printf("%lu\n", bootcount_load());
11 return CMD_RET_SUCCESS;
12}
13
14static int do_bootcount_reset(cmd_tbl_t *cmdtp, int flag, int argc,
15 char * const argv[])
16{
17 /*
18 * note that we're explicitly not resetting the environment
19 * variable, so you still have the old bootcounter available
20 */
21 bootcount_store(0);
22 return CMD_RET_SUCCESS;
23}
24
25static cmd_tbl_t bootcount_sub[] = {
26 U_BOOT_CMD_MKENT(print, 1, 1, do_bootcount_print, "", ""),
27 U_BOOT_CMD_MKENT(reset, 1, 1, do_bootcount_reset, "", ""),
28};
29
30static int do_bootcount(cmd_tbl_t *cmdtp, int flag, int argc,
31 char * const argv[])
32{
33 cmd_tbl_t *cp;
34
35 if (argc < 2)
36 return CMD_RET_USAGE;
37
38 /* drop initial "bootcount" arg */
39 argc--;
40 argv++;
41
42 cp = find_cmd_tbl(argv[0], bootcount_sub, ARRAY_SIZE(bootcount_sub));
43 if (cp)
44 return cp->cmd(cmdtp, flag, argc, argv);
45
46 return CMD_RET_USAGE;
47}
48
49#if CONFIG_IS_ENABLED(SYS_LONGHELP)
50static char bootcount_help_text[] =
51 "print - print current bootcounter\n"
52 "reset - reset the bootcounter"
53 ;
54#endif
55
56U_BOOT_CMD(bootcount, 2, 1, do_bootcount,
57 "bootcount",
58#if CONFIG_IS_ENABLED(SYS_LONGHELP)
59 bootcount_help_text
60#endif
61);