| 1 | /*
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| 2 | * Copyright (C) 2005 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #ifndef __KCONSOLE_H__
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| 30 | #define __KCONSOLE_H__
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| 31 |
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| 32 | #include <typedefs.h>
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| 33 | #include <list.h>
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| 34 | #include <synch/spinlock.h>
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| 35 |
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| 36 | enum cmd_arg_type {
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| 37 | ARG_TYPE_INVALID = 0,
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| 38 | ARG_TYPE_INT,
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| 39 | ARG_TYPE_STRING,
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| 40 | ARG_TYPE_VAR /**< Variable type - either symbol or string */
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| 41 | };
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| 42 |
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| 43 | /** Structure representing one argument of kconsole command line. */
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| 44 | struct cmd_arg {
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| 45 | cmd_arg_type_t type; /**< Type descriptor. */
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| 46 | void *buffer; /**< Buffer where to store data. */
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| 47 | size_t len; /**< Size of the buffer. */
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| 48 | __native intval; /**< Integer value */
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| 49 | cmd_arg_type_t vartype; /**< Resulting type of variable arg */
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| 50 | };
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| 51 |
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| 52 | /** Structure representing one kconsole command. */
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| 53 | struct cmd_info {
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| 54 | link_t link; /**< Command list link. */
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| 55 | spinlock_t lock; /**< This lock protects everything below. */
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| 56 | const char *name; /**< Command name. */
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| 57 | const char *description; /**< Textual description. */
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| 58 | int (* func)(cmd_arg_t *); /**< Function implementing the command. */
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| 59 | count_t argc; /**< Number of arguments. */
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| 60 | cmd_arg_t *argv; /**< Argument vector. */
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| 61 | void (* help)(void); /**< Function for printing detailed help. */
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| 62 | };
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| 63 |
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| 64 | extern spinlock_t cmd_lock;
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| 65 | extern link_t cmd_head;
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| 66 |
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| 67 | extern void kconsole_init(void);
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| 68 | extern void kconsole(void *arg);
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| 69 |
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| 70 | extern int cmd_register(cmd_info_t *cmd);
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| 71 |
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| 72 | #endif
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