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184 jermar 1
/*
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 * Copyright (C) 2005 Jakub Jermar
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1248 jermar 29
/**
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 * @file    the.c
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 * @brief   THE structure functions.
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 *
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 * This file contains functions to manage the THE structure.
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 * The THE structure exists at the base address of every kernel
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 * stack and carries information about current settings
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 * (e.g. current CPU, current thread, task and address space
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 * and current preemption counter).
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 */
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184 jermar 40
#include <arch.h>
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#include <typedefs.h>
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/** Initialize THE structure
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 *
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 * Initialize THE structure passed as argument.
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 *
404 jermar 48
 * @param the THE structure to be initialized.
184 jermar 49
 */
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void the_initialize(the_t *the)
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{
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    the->preemption_disabled = 0;
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    the->cpu = NULL;
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    the->thread = NULL;
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    the->task = NULL;
703 jermar 56
    the->as = NULL;
184 jermar 57
}
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/** Copy THE structure
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 *
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 * Copy the source THE structure to the destination THE structure.
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 *
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 * @param src The source THE structure.
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 * @param dst The destination THE structure.
184 jermar 65
 */
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void the_copy(the_t *src, the_t *dst)
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{
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    *dst = *src;
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}