1 | /* |
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2 | * COPYRIGHT (c) 1989-2008. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.com/license/LICENSE. |
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8 | * |
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9 | * $Id$ |
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10 | */ |
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11 | |
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12 | #if HAVE_CONFIG_H |
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13 | #include "config.h" |
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14 | #endif |
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15 | |
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16 | #include <rtems/system.h> |
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17 | #include <rtems/config.h> |
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18 | #include <rtems/score/userext.h> |
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19 | #include <rtems/score/wkspace.h> |
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20 | #include <string.h> |
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21 | |
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22 | /** |
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23 | * This routine performs the initialization necessary for this handler. |
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24 | */ |
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25 | |
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26 | void _User_extensions_Handler_initialization(void) |
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27 | { |
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28 | User_extensions_Control *extension; |
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29 | uint32_t i; |
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30 | uint32_t number_of_extensions; |
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31 | User_extensions_Table *initial_extensions; |
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32 | |
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33 | number_of_extensions = Configuration.number_of_initial_extensions; |
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34 | initial_extensions = Configuration.User_extension_table; |
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35 | |
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36 | _Chain_Initialize_empty( &_User_extensions_List ); |
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37 | _Chain_Initialize_empty( &_User_extensions_Switches_list ); |
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38 | |
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39 | if ( initial_extensions ) { |
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40 | extension = (User_extensions_Control *) |
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41 | _Workspace_Allocate_or_fatal_error( |
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42 | number_of_extensions * sizeof( User_extensions_Control ) |
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43 | ); |
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44 | |
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45 | memset ( |
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46 | extension, |
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47 | 0, |
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48 | number_of_extensions * sizeof( User_extensions_Control ) |
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49 | ); |
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50 | |
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51 | for ( i = 0 ; i < number_of_extensions ; i++ ) { |
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52 | _User_extensions_Add_set (extension, &initial_extensions[i]); |
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53 | extension++; |
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54 | } |
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55 | } |
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56 | } |
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57 | |
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