/* * (C) 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 */ /* * Definitions for Command Processor */ #ifndef __COMMAND_H #define __COMMAND_H #include <config.h> #ifndef NULL #define NULL 0 #endif /* Default to a width of 8 characters for help message command width */ #ifndef CONFIG_SYS_HELP_CMD_WIDTH #define CONFIG_SYS_HELP_CMD_WIDTH 8 #endif #ifndef __ASSEMBLY__ /* * Monitor Command Table */ struct cmd_tbl_s { char *name; /* Command Name */ int maxargs; /* maximum number of arguments */ int repeatable; /* autorepeat allowed? */ /* Implementation function */ int (*cmd)(struct cmd_tbl_s *, int, int, char * const []); char *usage; /* Usage message (short) */ #ifdef CONFIG_SYS_LONGHELP char *help; /* Help message (long) */ #endif #ifdef CONFIG_AUTO_COMPLETE /* do auto completion on the arguments */ int (*complete)(int argc, char * const argv[], char last_char, int maxv, char *cmdv[]); #endif }; typedef struct cmd_tbl_s cmd_tbl_t; extern cmd_tbl_t __u_boot_cmd_start; extern cmd_tbl_t __u_boot_cmd_end; /* common/command.c */ int _do_help (cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]); cmd_tbl_t *find_cmd(const char *cmd); cmd_tbl_t *find_cmd_tbl (const char *cmd, cmd_tbl_t *table, int table_len); extern int cmd_usage(const cmd_tbl_t *cmdtp); #ifdef CONFIG_AUTO_COMPLETE extern int var_complete(int argc, char * const argv[], char last_char, int maxv, char *cmdv[]); extern int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *colp); #endif /* * Monitor Command * * All commands use a common argument format: * * void function (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); */ #if defined(CONFIG_CMD_MEMORY) \ || defined(CONFIG_CMD_I2C) \ || defined(CONFIG_CMD_ITEST) \ || defined(CONFIG_CMD_PCI) \ || defined(CONFIG_CMD_PORTIO) #define CMD_DATA_SIZE extern int cmd_get_data_size(char* arg, int default_size); #endif #ifdef CONFIG_CMD_BOOTD extern int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); #endif #ifdef CONFIG_CMD_BOOTM extern int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); extern int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd); #else static inline int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd) { return 0; } #endif extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); #endif /* __ASSEMBLY__ */ /* * Command Flags: */ #define CMD_FLAG_REPEAT 0x0001 /* repeat last command */ #define CMD_FLAG_BOOTD 0x0002 /* command is from bootd */ #define Struct_Section __attribute__((unused, section(".u_boot_cmd"), \ aligned(4))) #ifdef CONFIG_AUTO_COMPLETE # define _CMD_COMPLETE(x) x, #else # define _CMD_COMPLETE(x) #endif #ifdef CONFIG_SYS_LONGHELP # define _CMD_HELP(x) x, #else # define _CMD_HELP(x) #endif #define U_BOOT_CMD_MKENT_COMPLETE(name,maxargs,rep,cmd,usage,help,comp) \ {#name, maxargs, rep, cmd, usage, _CMD_HELP(help) _CMD_COMPLETE(comp)} #define U_BOOT_CMD_MKENT(name,maxargs,rep,cmd,usage,help) \ U_BOOT_CMD_MKENT_COMPLETE(name,maxargs,rep,cmd,usage,help,NULL) #define U_BOOT_CMD_COMPLETE(name,maxargs,rep,cmd,usage,help,comp) \ cmd_tbl_t __u_boot_cmd_##name Struct_Section = \ U_BOOT_CMD_MKENT_COMPLETE(name,maxargs,rep,cmd,usage,help,comp) #define U_BOOT_CMD(name,maxargs,rep,cmd,usage,help) \ U_BOOT_CMD_COMPLETE(name,maxargs,rep,cmd,usage,help,NULL) #if defined(CONFIG_NEEDS_MANUAL_RELOC) void fixup_cmdtable(cmd_tbl_t *cmdtp, int size); #endif #endif /* __COMMAND_H */