1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/*
* (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>
#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;
extern cmd_tbl_t __u_boot_cmd_start;
extern cmd_tbl_t __u_boot_cmd_end;
#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
/*
* 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 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[]);
/*
* 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.
* @return 0 if the command succeeded, 1 if it failed
*/
int cmd_process(int flag, int argc, char * const argv[],
int *repeatable);
#endif /* __ASSEMBLY__ */
/*
* Command Flags:
*/
#define CMD_FLAG_REPEAT 0x0001 /* repeat last command */
#define CMD_FLAG_BOOTD 0x0002 /* command is from bootd */
#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) \
ll_entry_declare(cmd_tbl_t, _name, cmd, cmd) = \
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 */
|
