blob: 8c8178e41daea37c33f8b6e47116ddd052c6576f [file] [log] [blame]
Peter Tyser6b8f5ad2009-10-16 17:36:25 -05001/*
2 * Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
26
Wolfgang Denk54841ab2010-06-28 22:00:46 +020027int do_help(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
Peter Tyser6b8f5ad2009-10-16 17:36:25 -050028{
29 return _do_help(&__u_boot_cmd_start,
30 &__u_boot_cmd_end - &__u_boot_cmd_start,
31 cmdtp, flag, argc, argv);
32}
33
34U_BOOT_CMD(
35 help, CONFIG_SYS_MAXARGS, 1, do_help,
Peter Tyser4e1ca932009-10-16 17:36:26 -050036 "print command description/usage",
37 "\n"
38 " - print brief description of all commands\n"
39 "help command ...\n"
40 " - print detailed usage of 'command'"
Peter Tyser6b8f5ad2009-10-16 17:36:25 -050041);
42
43/* This does not use the U_BOOT_CMD macro as ? can't be used in symbol names */
Peter Tyser6b8f5ad2009-10-16 17:36:25 -050044cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = {
45 "?", CONFIG_SYS_MAXARGS, 1, do_help,
46 "alias for 'help'",
Peter Tyser4e1ca932009-10-16 17:36:26 -050047#ifdef CONFIG_SYS_LONGHELP
Peter Tyser6b8f5ad2009-10-16 17:36:25 -050048 ""
Peter Tyser6b8f5ad2009-10-16 17:36:25 -050049#endif /* CONFIG_SYS_LONGHELP */
Peter Tyser4e1ca932009-10-16 17:36:26 -050050};