3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
27 static int do_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
29 cmd_tbl_t *start = ll_entry_start(cmd_tbl_t, cmd);
30 const int len = ll_entry_count(cmd_tbl_t, cmd);
31 return _do_help(start, len, cmdtp, flag, argc, argv);
35 help, CONFIG_SYS_MAXARGS, 1, do_help,
36 "print command description/usage",
38 " - print brief description of all commands\n"
40 " - print detailed usage of 'command'"
43 /* This does not use the U_BOOT_CMD macro as ? can't be used in symbol names */
44 ll_entry_declare(cmd_tbl_t, question_mark, cmd) = {
45 "?", CONFIG_SYS_MAXARGS, 1, do_help,
47 #ifdef CONFIG_SYS_LONGHELP
49 #endif /* CONFIG_SYS_LONGHELP */