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| author |   Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
|---|---|---|
| committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
| commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
| tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/common/cmd_help.c | |
| parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) | |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/common/cmd_help.c')
| -rw-r--r-- | qemu/roms/u-boot/common/cmd_help.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/common/cmd_help.c b/qemu/roms/u-boot/common/cmd_help.c new file mode 100644 index 000000000..6ff494d79 --- /dev/null +++ b/qemu/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 <common.h> +#include <command.h> + +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 */ +}; |