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