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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** |
29 | /** |
30 | * @file the.c |
30 | * @file the.c |
31 | * @brief THE structure functions. |
31 | * @brief THE structure functions. |
32 | * |
32 | * |
33 | * This file contains functions to manage the THE structure. |
33 | * This file contains functions to manage the THE structure. |
34 | * The THE structure exists at the base address of every kernel |
34 | * The THE structure exists at the base address of every kernel |
35 | * stack and carries information about current settings |
35 | * stack and carries information about current settings |
36 | * (e.g. current CPU, current thread, task and address space |
36 | * (e.g. current CPU, current thread, task and address space |
37 | * and current preemption counter). |
37 | * and current preemption counter). |
38 | */ |
38 | */ |
39 | 39 | ||
40 | #include <arch.h> |
40 | #include <arch.h> |
41 | #include <typedefs.h> |
41 | #include <typedefs.h> |
42 | 42 | ||
43 | 43 | ||
44 | /** Initialize THE structure |
44 | /** Initialize THE structure |
45 | * |
45 | * |
46 | * Initialize THE structure passed as argument. |
46 | * Initialize THE structure passed as argument. |
47 | * |
47 | * |
48 | * @param the THE structure to be initialized. |
48 | * @param the THE structure to be initialized. |
49 | */ |
49 | */ |
50 | void the_initialize(the_t *the) |
50 | void the_initialize(the_t *the) |
51 | { |
51 | { |
52 | the->preemption_disabled = 0; |
52 | the->preemption_disabled = 0; |
53 | the->cpu = NULL; |
53 | the->cpu = NULL; |
54 | the->thread = NULL; |
54 | the->thread = NULL; |
55 | the->task = NULL; |
55 | the->task = NULL; |
56 | the->as = NULL; |
56 | the->as = NULL; |
57 | } |
57 | } |
58 | 58 | ||
59 | /** Copy THE structure |
59 | /** Copy THE structure |
60 | * |
60 | * |
61 | * Copy the source THE structure to the destination THE structure. |
61 | * Copy the source THE structure to the destination THE structure. |
62 | * |
62 | * |
63 | * @param src The source THE structure. |
63 | * @param src The source THE structure. |
64 | * @param dst The destination THE structure. |
64 | * @param dst The destination THE structure. |
65 | */ |
65 | */ |
66 | void the_copy(the_t *src, the_t *dst) |
66 | void the_copy(the_t *src, the_t *dst) |
67 | { |
67 | { |
68 | *dst = *src; |
68 | *dst = *src; |
69 | } |
69 | } |
70 | 70 |