99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* Definitions for Command Processor
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*/
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#ifndef __COMMAND_H
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#define __COMMAND_H
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#ifndef NULL
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#define NULL 0
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#endif
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#ifndef __ASSEMBLY__
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/*
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* Monitor Command Table
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*/
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struct cmd_tbl_s {
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char *name; /* Command Name */
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int maxargs; /* maximum number of arguments */
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int repeatable; /* autorepeat allowed? */
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/* Implementation function */
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int (*cmd)(struct cmd_tbl_s *, int, int, char *[]);
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char *usage; /* Usage message (short) */
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#ifdef CFG_LONGHELP
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char *help; /* Help message (long) */
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#endif
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};
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typedef struct cmd_tbl_s cmd_tbl_t;
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extern cmd_tbl_t __u_boot_cmd_start;
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extern cmd_tbl_t __u_boot_cmd_end;
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/* common/command.c */
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cmd_tbl_t *find_cmd(const char *cmd);
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/*
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* Monitor Command
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*
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* All commands use a common argument format:
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*
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* void function (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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*/
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typedef void command_t (cmd_tbl_t *, int, int, char *[]);
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#endif /* __ASSEMBLY__ */
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/*
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* Command Flags:
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*/
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#define CMD_FLAG_REPEAT 0x0001 /* repeat last command */
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#define CMD_FLAG_BOOTD 0x0002 /* command is from bootd */
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/*
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* Configurable monitor commands definitions have been moved
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* to include/cmd_confdefs.h
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*/
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#define Struct_Section __attribute__ ((unused,section (".u_boot_cmd")))
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#ifdef CFG_LONGHELP
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#define U_BOOT_CMD(name,maxargs,rep,cmd,usage,help) \
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cmd_tbl_t __u_boot_cmd_##name Struct_Section = {#name, maxargs, rep, cmd, usage, help}
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#else /* no long help info */
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#define U_BOOT_CMD(name,maxargs,rep,cmd,usage,help) \
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cmd_tbl_t __u_boot_cmd_##name Struct_Section = {#name, maxargs, rep, cmd, usage}
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#endif /* CFG_LONGHELP */
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#endif /* __COMMAND_H */
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