]> git.kernelconcepts.de Git - karo-tx-uboot.git/blob - common/cmd_help.c
arm: mx6: fix NFC clock get/set routines for i.MX6QP,i.MX6UL
[karo-tx-uboot.git] / common / cmd_help.c
1 /*
2  * Copyright 2000-2009
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7
8 #include <common.h>
9 #include <command.h>
10
11 static int do_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
12 {
13         cmd_tbl_t *start = ll_entry_start(cmd_tbl_t, cmd);
14         const int len = ll_entry_count(cmd_tbl_t, cmd);
15         return _do_help(start, len, cmdtp, flag, argc, argv);
16 }
17
18 U_BOOT_CMD(
19         help,   CONFIG_SYS_MAXARGS,     1,      do_help,
20         "print command description/usage",
21         "\n"
22         "       - print brief description of all commands\n"
23         "help command ...\n"
24         "       - print detailed usage of 'command'"
25 );
26
27 /* This does not use the U_BOOT_CMD macro as ? can't be used in symbol names */
28 ll_entry_declare(cmd_tbl_t, question_mark, cmd) = {
29         "?",    CONFIG_SYS_MAXARGS,     1,      do_help,
30         "alias for 'help'",
31 #ifdef  CONFIG_SYS_LONGHELP
32         ""
33 #endif /* CONFIG_SYS_LONGHELP */
34 };