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| 510 | jermar | 1 | /* |
| 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 | |||
| 1888 | jermar | 29 | /** @addtogroup genericconsole |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1888 | jermar | 35 | #ifndef KERN_KCONSOLE_H_ |
| 36 | #define KERN_KCONSOLE_H_ |
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| 510 | jermar | 37 | |
| 517 | jermar | 38 | #include <typedefs.h> |
| 788 | jermar | 39 | #include <adt/list.h> |
| 517 | jermar | 40 | #include <synch/spinlock.h> |
| 41 | |||
| 596 | jermar | 42 | #define MAX_CMDLINE 256 |
| 601 | palkovsky | 43 | #define KCONSOLE_HISTORY 10 |
| 596 | jermar | 44 | |
| 517 | jermar | 45 | enum cmd_arg_type { |
| 46 | ARG_TYPE_INVALID = 0, |
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| 47 | ARG_TYPE_INT, |
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| 585 | palkovsky | 48 | ARG_TYPE_STRING, |
| 49 | ARG_TYPE_VAR /**< Variable type - either symbol or string */ |
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| 517 | jermar | 50 | }; |
| 51 | |||
| 52 | /** Structure representing one argument of kconsole command line. */ |
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| 53 | struct cmd_arg { |
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| 54 | cmd_arg_type_t type; /**< Type descriptor. */ |
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| 55 | void *buffer; /**< Buffer where to store data. */ |
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| 518 | jermar | 56 | size_t len; /**< Size of the buffer. */ |
| 1780 | jermar | 57 | unative_t intval; /**< Integer value */ |
| 585 | palkovsky | 58 | cmd_arg_type_t vartype; /**< Resulting type of variable arg */ |
| 517 | jermar | 59 | }; |
| 60 | |||
| 61 | /** Structure representing one kconsole command. */ |
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| 62 | struct cmd_info { |
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| 63 | link_t link; /**< Command list link. */ |
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| 623 | jermar | 64 | SPINLOCK_DECLARE(lock); /**< This lock protects everything below. */ |
| 517 | jermar | 65 | const char *name; /**< Command name. */ |
| 66 | const char *description; /**< Textual description. */ |
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| 518 | jermar | 67 | int (* func)(cmd_arg_t *); /**< Function implementing the command. */ |
| 517 | jermar | 68 | count_t argc; /**< Number of arguments. */ |
| 69 | cmd_arg_t *argv; /**< Argument vector. */ |
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| 518 | jermar | 70 | void (* help)(void); /**< Function for printing detailed help. */ |
| 517 | jermar | 71 | }; |
| 72 | |||
| 73 | extern spinlock_t cmd_lock; |
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| 74 | extern link_t cmd_head; |
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| 75 | |||
| 76 | extern void kconsole_init(void); |
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| 609 | palkovsky | 77 | extern void kconsole(void *prompt); |
| 510 | jermar | 78 | |
| 517 | jermar | 79 | extern int cmd_register(cmd_info_t *cmd); |
| 80 | |||
| 510 | jermar | 81 | #endif |
| 1702 | cejka | 82 | |
| 1888 | jermar | 83 | /** @} |
| 1702 | cejka | 84 | */ |