From 3f2546b2ef55b661fd8dd69682b38992225e86f6 Mon Sep 17 00:00:00 2001 From: fishsoupisgood Date: Mon, 29 Apr 2019 01:17:54 +0100 Subject: Initial import of qemu-2.4.1 --- roms/u-boot/common/cmd_help.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 roms/u-boot/common/cmd_help.c (limited to 'roms/u-boot/common/cmd_help.c') diff --git a/roms/u-boot/common/cmd_help.c b/roms/u-boot/common/cmd_help.c new file mode 100644 index 00000000..6ff494d7 --- /dev/null +++ b/roms/u-boot/common/cmd_help.c @@ -0,0 +1,34 @@ +/* + * Copyright 2000-2009 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include + +static int do_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const 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 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 */ +}; -- cgit v1.2.3