* Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
-int do_help(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+static int do_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- return _do_help(&__u_boot_cmd_start,
- &__u_boot_cmd_end - &__u_boot_cmd_start,
- cmdtp, flag, argc, argv);
+ 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);
}
U_BOOT_CMD(
help, CONFIG_SYS_MAXARGS, 1, do_help,
- "print online help",
- "[command ...]\n"
- " - show help information (for 'command')\n"
- "'help' prints online help for the monitor commands.\n\n"
- "Without arguments, it prints a short usage message for all commands.\n\n"
- "To get detailed help information for specific commands you can type\n"
- "'help' with one or more command names as arguments."
+ "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 */
-#ifdef CONFIG_SYS_LONGHELP
-cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = {
+ll_entry_declare(cmd_tbl_t, question_mark, cmd) = {
"?", CONFIG_SYS_MAXARGS, 1, do_help,
"alias for 'help'",
+#ifdef CONFIG_SYS_LONGHELP
""
-};
-#else
-cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = {
- "?", CONFIG_SYS_MAXARGS, 1, do_help,
- "alias for 'help'"
-};
#endif /* CONFIG_SYS_LONGHELP */
+};