1 // SPDX-License-Identifier: GPL-2.0+
2
3 #include <common.h>
4 #include <command.h>
5 #include <bootcount.h>
6
do_bootcount_print(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])7 static 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
do_bootcount_reset(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])14 static 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
25 static 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
do_bootcount(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])30 static 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)
50 static char bootcount_help_text[] =
51 "print - print current bootcounter\n"
52 "reset - reset the bootcounter"
53 ;
54 #endif
55
56 U_BOOT_CMD(bootcount, 2, 1, do_bootcount,
57 "bootcount",
58 #if CONFIG_IS_ENABLED(SYS_LONGHELP)
59 bootcount_help_text
60 #endif
61 );
62