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| /*
| * Copyright 2000-2009
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
| *
| * SPDX-License-Identifier: GPL-2.0+
| */
|
| #include <common.h>
| #include <command.h>
|
| static int do_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
| {
| #ifdef CONFIG_CMDLINE
| cmd_tbl_t *start = ll_entry_start(cmd_tbl_t, cmd);
| const int len = ll_entry_count(cmd_tbl_t, cmd);
| return _do_help(start, len, cmdtp, flag, argc, argv);
| #else
| return 0;
| #endif
| }
|
| U_BOOT_CMD(
| help, CONFIG_SYS_MAXARGS, 1, do_help,
| "print command description/usage",
| "\n"
| " - print brief description of all commands\n"
| "help command ...\n"
| " - print detailed usage of 'command'"
| );
|
| /* This does not use the U_BOOT_CMD macro as ? can't be used in symbol names */
| ll_entry_declare(cmd_tbl_t, question_mark, cmd) = {
| "?", CONFIG_SYS_MAXARGS, 1, do_help,
| "alias for 'help'",
| #ifdef CONFIG_SYS_LONGHELP
| ""
| #endif /* CONFIG_SYS_LONGHELP */
| };
|
|
