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184 | 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 | |||
1757 | jermar | 29 | /** @addtogroup genericproc |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | |||
1248 | jermar | 33 | /** |
1702 | cejka | 34 | * @file |
1248 | jermar | 35 | * @brief THE structure functions. |
36 | * |
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37 | * This file contains functions to manage the THE structure. |
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38 | * The THE structure exists at the base address of every kernel |
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39 | * stack and carries information about current settings |
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40 | * (e.g. current CPU, current thread, task and address space |
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41 | * and current preemption counter). |
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42 | */ |
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43 | |||
184 | jermar | 44 | #include <arch.h> |
45 | #include <typedefs.h> |
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46 | |||
47 | |||
48 | /** Initialize THE structure |
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49 | * |
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50 | * Initialize THE structure passed as argument. |
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51 | * |
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404 | jermar | 52 | * @param the THE structure to be initialized. |
184 | jermar | 53 | */ |
54 | void the_initialize(the_t *the) |
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55 | { |
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56 | the->preemption_disabled = 0; |
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57 | the->cpu = NULL; |
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58 | the->thread = NULL; |
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59 | the->task = NULL; |
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703 | jermar | 60 | the->as = NULL; |
1820 | decky | 61 | the->context = 0; |
184 | jermar | 62 | } |
63 | |||
64 | /** Copy THE structure |
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65 | * |
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66 | * Copy the source THE structure to the destination THE structure. |
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67 | * |
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404 | jermar | 68 | * @param src The source THE structure. |
69 | * @param dst The destination THE structure. |
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184 | jermar | 70 | */ |
71 | void the_copy(the_t *src, the_t *dst) |
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72 | { |
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73 | *dst = *src; |
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74 | } |
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1702 | cejka | 75 | |
1757 | jermar | 76 | /** @} |
1702 | cejka | 77 | */ |