mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-22 01:48:52 +09:00
![Simon Glass](/assets/img/avatar_default.png)
Command parsing and processing code is not needed when the command line is disabled. Remove this code in that case. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
226 lines
6.8 KiB
C
226 lines
6.8 KiB
C
/*
|
|
* (C) Copyright 2000-2009
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
/*
|
|
* Definitions for Command Processor
|
|
*/
|
|
#ifndef __COMMAND_H
|
|
#define __COMMAND_H
|
|
|
|
#include <linker_lists.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;
|
|
|
|
|
|
#if defined(CONFIG_CMD_RUN)
|
|
extern int do_run(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
|
|
#endif
|
|
|
|
/* 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
|
|
|
|
/**
|
|
* cmd_process_error() - report and process a possible error
|
|
*
|
|
* @cmdtp: Command which caused the error
|
|
* @err: Error code (0 if none, -ve for error, like -EIO)
|
|
* @return 0 if there is not error, 1 (CMD_RET_FAILURE) if an error is found
|
|
*/
|
|
int cmd_process_error(cmd_tbl_t *cmdtp, int err);
|
|
|
|
/*
|
|
* 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_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
|
|
|
|
extern int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
|
|
|
|
extern int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc,
|
|
char *const argv[]);
|
|
|
|
extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
|
|
extern int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
|
|
|
|
/*
|
|
* Error codes that commands return to cmd_process(). We use the standard 0
|
|
* and 1 for success and failure, but add one more case - failure with a
|
|
* request to call cmd_usage(). But the cmd_process() function handles
|
|
* CMD_RET_USAGE itself and after calling cmd_usage() it will return 1.
|
|
* This is just a convenience for commands to avoid them having to call
|
|
* cmd_usage() all over the place.
|
|
*/
|
|
enum command_ret_t {
|
|
CMD_RET_SUCCESS, /* 0 = Success */
|
|
CMD_RET_FAILURE, /* 1 = Failure */
|
|
CMD_RET_USAGE = -1, /* Failure, please report 'usage' error */
|
|
};
|
|
|
|
/**
|
|
* Process a command with arguments. We look up the command and execute it
|
|
* if valid. Otherwise we print a usage message.
|
|
*
|
|
* @param flag Some flags normally 0 (see CMD_FLAG_.. above)
|
|
* @param argc Number of arguments (arg 0 must be the command text)
|
|
* @param argv Arguments
|
|
* @param repeatable This function sets this to 0 if the command is not
|
|
* repeatable. If the command is repeatable, the value
|
|
* is left unchanged.
|
|
* @param ticks If ticks is not null, this function set it to the
|
|
* number of ticks the command took to complete.
|
|
* @return 0 if the command succeeded, 1 if it failed
|
|
*/
|
|
int cmd_process(int flag, int argc, char * const argv[],
|
|
int *repeatable, unsigned long *ticks);
|
|
|
|
void fixup_cmdtable(cmd_tbl_t *cmdtp, int size);
|
|
|
|
/**
|
|
* board_run_command() - Fallback function to execute a command
|
|
*
|
|
* When no command line features are enabled in U-Boot, this function is
|
|
* called to execute a command. Typically the function can look at the
|
|
* command and perform a few very specific tasks, such as booting the
|
|
* system in a particular way.
|
|
*
|
|
* This function is only used when CONFIG_CMDLINE is not enabled.
|
|
*
|
|
* In normal situations this function should not return, since U-Boot will
|
|
* simply hang.
|
|
*
|
|
* @cmdline: Command line string to execute
|
|
* @return 0 if OK, 1 for error
|
|
*/
|
|
int board_run_command(const char *cmdline);
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
/*
|
|
* Command Flags:
|
|
*/
|
|
#define CMD_FLAG_REPEAT 0x0001 /* repeat last command */
|
|
#define CMD_FLAG_BOOTD 0x0002 /* command is from bootd */
|
|
#define CMD_FLAG_ENV 0x0004 /* command is from the environment */
|
|
|
|
#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
|
|
|
|
#ifdef CONFIG_CMDLINE
|
|
#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_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, _help, _comp) \
|
|
ll_entry_declare(cmd_tbl_t, _name, cmd) = \
|
|
U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd, \
|
|
_usage, _help, _comp);
|
|
|
|
#else
|
|
#define U_BOOT_SUBCMD_START(name) static cmd_tbl_t name[] = {};
|
|
#define U_BOOT_SUBCMD_END
|
|
|
|
#define _CMD_REMOVE(_name, _cmd) \
|
|
int __remove_ ## _name(void) \
|
|
{ \
|
|
if (0) \
|
|
_cmd(NULL, 0, 0, NULL); \
|
|
return 0; \
|
|
}
|
|
#define U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, \
|
|
_help, _comp) \
|
|
{ #_name, _maxargs, _rep, 0 ? _cmd : NULL, _usage, \
|
|
_CMD_HELP(_help) _CMD_COMPLETE(_comp) }
|
|
|
|
#define U_BOOT_CMD_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, _help, \
|
|
_comp) \
|
|
_CMD_REMOVE(sub_ ## _name, _cmd)
|
|
|
|
#endif /* CONFIG_CMDLINE */
|
|
|
|
#define U_BOOT_CMD(_name, _maxargs, _rep, _cmd, _usage, _help) \
|
|
U_BOOT_CMD_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, _help, NULL)
|
|
|
|
#define U_BOOT_CMD_MKENT(_name, _maxargs, _rep, _cmd, _usage, _help) \
|
|
U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd, \
|
|
_usage, _help, NULL)
|
|
|
|
#endif /* __COMMAND_H */
|