2 * Copyright (c) 2005 Jakub Jermar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 /** @addtogroup kernel_generic_proc
35 * @brief CURRENT structure functions.
37 * This file contains functions to manage the CURRENT structure.
38 * The CURRENT structure exists at the base address of every kernel
39 * stack and carries information about current settings
40 * (e.g. current CPU, current thread, task and address space
41 * and current preemption counter).
47 /** Initialize CURRENT structure
49 * Initialize CURRENT structure passed as argument.
51 * @param the CURRENT structure to be initialized.
54 void current_initialize(current_t
*the
)
64 /** Copy CURRENT structure
66 * Copy the source CURRENT structure to the destination CURRENT structure.
68 * @param src The source CURRENT structure.
69 * @param dst The destination CURRENT structure.
72 NO_TRACE
void current_copy(current_t
*src
, current_t
*dst
)
74 assert(src
->magic
== MAGIC
);