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78f6622a WD |
1 | /* |
2 | * (C) Copyright 2000 | |
3 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | /* | |
25 | * Definitions for Command Processor | |
26 | */ | |
27 | #ifndef __COMMAND_H | |
28 | #define __COMMAND_H | |
29 | ||
30 | #ifndef NULL | |
31 | #define NULL 0 | |
32 | #endif | |
33 | ||
34 | #ifndef __ASSEMBLY__ | |
35 | /* | |
36 | * Monitor Command Table | |
37 | */ | |
38 | ||
39 | struct cmd_tbl_s { | |
40 | char *name; /* Command Name */ | |
78f6622a WD |
41 | int maxargs; /* maximum number of arguments */ |
42 | int repeatable; /* autorepeat allowed? */ | |
43 | /* Implementation function */ | |
44 | int (*cmd)(struct cmd_tbl_s *, int, int, char *[]); | |
45 | char *usage; /* Usage message (short) */ | |
46 | #ifdef CFG_LONGHELP | |
47 | char *help; /* Help message (long) */ | |
48 | #endif | |
49 | }; | |
50 | ||
51 | typedef struct cmd_tbl_s cmd_tbl_t; | |
52 | ||
8bde7f77 WD |
53 | extern cmd_tbl_t __u_boot_cmd_start; |
54 | extern cmd_tbl_t __u_boot_cmd_end; | |
78f6622a | 55 | |
78f6622a WD |
56 | |
57 | /* common/command.c */ | |
58 | cmd_tbl_t *find_cmd(const char *cmd); | |
59 | ||
60 | /* | |
61 | * Monitor Command | |
62 | * | |
63 | * All commands use a common argument format: | |
64 | * | |
65 | * void function (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); | |
66 | */ | |
67 | ||
68 | typedef void command_t (cmd_tbl_t *, int, int, char *[]); | |
69 | ||
70 | #endif /* __ASSEMBLY__ */ | |
71 | ||
72 | /* | |
73 | * Command Flags: | |
74 | */ | |
75 | #define CMD_FLAG_REPEAT 0x0001 /* repeat last command */ | |
76 | #define CMD_FLAG_BOOTD 0x0002 /* command is from bootd */ | |
77 | ||
78 | /* | |
79 | * Configurable monitor commands definitions have been moved | |
80 | * to include/cmd_confdefs.h | |
81 | */ | |
82 | ||
8bde7f77 WD |
83 | |
84 | #define Struct_Section __attribute__ ((unused,section (".u_boot_cmd"))) | |
8bde7f77 WD |
85 | |
86 | #ifdef CFG_LONGHELP | |
87 | ||
0d498393 WD |
88 | #define U_BOOT_CMD(name,maxargs,rep,cmd,usage,help) \ |
89 | cmd_tbl_t __u_boot_cmd_##name Struct_Section = {#name, maxargs, rep, cmd, usage, help} | |
8bde7f77 WD |
90 | |
91 | #else /* no long help info */ | |
92 | ||
0d498393 WD |
93 | #define U_BOOT_CMD(name,maxargs,rep,cmd,usage,help) \ |
94 | cmd_tbl_t __u_boot_cmd_##name Struct_Section = {#name, maxargs, rep, cmd, usage} | |
8bde7f77 WD |
95 | |
96 | #endif /* CFG_LONGHELP */ | |
97 | ||
78f6622a | 98 | #endif /* __COMMAND_H */ |