/*
* Copyright (C) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup genericconsole
* @{
*/
/** @file
*/
#ifndef KERN_KCONSOLE_H_
#define KERN_KCONSOLE_H_
#include <typedefs.h>
#include <adt/list.h>
#include <synch/spinlock.h>
#define MAX_CMDLINE 256
#define KCONSOLE_HISTORY 10
enum cmd_arg_type {
ARG_TYPE_INVALID = 0,
ARG_TYPE_INT,
ARG_TYPE_STRING,
ARG_TYPE_VAR /**< Variable type - either symbol or string */
};
/** Structure representing one argument of kconsole command line. */
struct cmd_arg {
cmd_arg_type_t type; /**< Type descriptor. */
void *buffer; /**< Buffer where to store data. */
size_t len; /**< Size of the buffer. */
unative_t intval; /**< Integer value */
cmd_arg_type_t vartype; /**< Resulting type of variable arg */
};
/** Structure representing one kconsole command. */
struct cmd_info {
link_t link; /**< Command list link. */
SPINLOCK_DECLARE(lock); /**< This lock protects everything below. */
const char *name; /**< Command name. */
const char *description; /**< Textual description. */
int (* func)(cmd_arg_t *); /**< Function implementing the command. */
count_t argc; /**< Number of arguments. */
cmd_arg_t *argv; /**< Argument vector. */
void (* help)(void); /**< Function for printing detailed help. */
};
extern spinlock_t cmd_lock;
extern link_t cmd_head;
extern void kconsole_init(void);
extern void kconsole(void *prompt);
extern int cmd_register(cmd_info_t *cmd);
#endif
/** @}
*/