[172] | 1 | /*
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| 2 | * TOPPERS ATK2
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems
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| 4 | * Automotive Kernel Version 2
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| 5 | *
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| 6 | * Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
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| 7 | * Toyohashi Univ. of Technology, JAPAN
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| 8 | * Copyright (C) 2004-2015 by Center for Embedded Computing Systems
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| 9 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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| 10 | * Copyright (C) 2011-2015 by FUJI SOFT INCORPORATED, JAPAN
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| 11 | * Copyright (C) 2011-2013 by Spansion LLC, USA
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| 12 | * Copyright (C) 2011-2015 by NEC Communication Systems, Ltd., JAPAN
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| 13 | * Copyright (C) 2011-2015 by Panasonic Advanced Technology Development Co., Ltd., JAPAN
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| 14 | * Copyright (C) 2011-2014 by Renesas Electronics Corporation, JAPAN
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| 15 | * Copyright (C) 2011-2015 by Sunny Giken Inc., JAPAN
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| 16 | * Copyright (C) 2011-2015 by TOSHIBA CORPORATION, JAPAN
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| 17 | * Copyright (C) 2004-2015 by Witz Corporation
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| 18 | * Copyright (C) 2014-2015 by AISIN COMCRUISE Co., Ltd., JAPAN
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| 19 | * Copyright (C) 2014-2015 by eSOL Co.,Ltd., JAPAN
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| 20 | * Copyright (C) 2014-2015 by SCSK Corporation, JAPAN
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| 21 | * Copyright (C) 2015 by SUZUKI MOTOR CORPORATION
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| 22 | *
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| 23 | * ä¸è¨èä½æ¨©è
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| 24 | ã¯ï¼ä»¥ä¸ã®(1)ã(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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| 25 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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| 26 | * å¤ã»åé
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| 27 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 28 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 29 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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| 30 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 31 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 32 | * ç¨ã§ããå½¢ã§åé
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| 33 | å¸ããå ´åã«ã¯ï¼åé
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| 34 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 35 | * è
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| 36 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 37 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 38 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 39 | * ç¨ã§ããªãå½¢ã§åé
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| 40 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 41 | * ã¨ï¼
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| 42 | * (a) åé
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| 43 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 44 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 45 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 46 | * (b) åé
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| 47 | å¸ã®å½¢æ
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| 48 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 49 | * å ±åãããã¨ï¼
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| 50 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 51 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 52 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 53 | 責ãããã¨ï¼
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| 54 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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| 55 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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| 56 | ããã³TOPPERSããã¸ã§ã¯ãã
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| 57 | * å
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| 58 | 責ãããã¨ï¼
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| 59 | *
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| 60 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼AUTOSARï¼AUTomotive Open System ARchitectureï¼ä»
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| 61 | * æ§ã«åºã¥ãã¦ããï¼ä¸è¨ã®è¨±è«¾ã¯ï¼AUTOSARã®ç¥ç財ç£æ¨©ã許諾ãããã®ã§
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| 62 | * ã¯ãªãï¼AUTOSARã¯ï¼AUTOSARä»æ§ã«åºã¥ããã½ããã¦ã§ã¢ãåç¨ç®çã§å©
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| 63 | * ç¨ããè
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| 64 | ã«å¯¾ãã¦ï¼AUTOSARãã¼ããã¼ã«ãªããã¨ãæ±ãã¦ããï¼
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| 65 | *
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| 66 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 67 | ã
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| 68 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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| 69 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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| 70 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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| 71 | * ã®è²¬ä»»ãè² ããªãï¼
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| 72 | *
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| 73 | * $Id: resource.c 425 2015-12-07 08:06:19Z witz-itoyo $
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| 74 | */
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| 75 |
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| 76 | /*
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| 77 | * ãªã½ã¼ã¹ç®¡çã¢ã¸ã¥ã¼ã«
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| 78 | */
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| 79 |
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| 80 | #include "kernel_impl.h"
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| 81 | #include "check.h"
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| 82 | #include "task.h"
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| 83 | #include "interrupt.h"
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| 84 | #include "resource.h"
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| 85 |
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| 86 | /*
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| 87 | * ãã¬ã¼ã¹ãã°ãã¯ãã®ããã©ã«ãå®ç¾©
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| 88 | */
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| 89 | #ifndef LOG_GETRES_ENTER
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| 90 | #define LOG_GETRES_ENTER(resid)
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| 91 | #endif /* LOG_GETRES_ENTER */
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| 92 |
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| 93 | #ifndef LOG_GETRES_LEAVE
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| 94 | #define LOG_GETRES_LEAVE(ercd)
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| 95 | #endif /* LOG_GETRES_LEAVE */
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| 96 |
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| 97 | #ifndef LOG_RELRES_ENTER
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| 98 | #define LOG_RELRES_ENTER(resid)
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| 99 | #endif /* LOG_RELRES_ENTER */
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| 100 |
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| 101 | #ifndef LOG_RELRES_LEAVE
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| 102 | #define LOG_RELRES_LEAVE(ercd)
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| 103 | #endif /* LOG_RELRES_LEAVE */
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| 104 |
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| 105 | /*
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| 106 | * ãªã½ã¼ã¹ç®¡çæ©è½ã®åæå
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| 107 | */
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| 108 | #ifdef TOPPERS_resource_initialize
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| 109 |
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| 110 | void
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| 111 | resource_initialize(void)
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| 112 | {
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| 113 | ResourceType i;
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| 114 | RESCB *p_rescb;
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| 115 |
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| 116 | for (i = 0U; i < tnum_stdresource; i++) {
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| 117 | p_rescb = &(rescb_table[i]);
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| 118 | p_rescb->p_resinib = &(resinib_table[i]);
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| 119 | p_rescb->lockflg = FALSE;
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| 120 | }
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| 121 | }
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| 122 |
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| 123 | #endif /* TOPPERS_resource_initialize */
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| 124 |
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| 125 | /*
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| 126 | * ãªã½ã¼ã¹ã®ç²å¾
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| 127 | */
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| 128 | #ifdef TOPPERS_GetResource
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| 129 |
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| 130 | StatusType
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| 131 | GetResource(ResourceType ResID)
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| 132 | {
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| 133 | StatusType ercd = E_OK;
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| 134 | PriorityType ceilpri, curpri;
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| 135 | RESCB *p_rescb;
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| 136 |
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| 137 | LOG_GETRES_ENTER(ResID);
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| 138 | CHECK_DISABLEDINT();
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| 139 | CHECK_CALLEVEL(CALLEVEL_GETRESOURCE);
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| 140 | CHECK_ID(ResID < tnum_stdresource);
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| 141 | p_rescb = get_rescb(ResID);
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| 142 | CHECK_RIGHT(p_rescb->p_resinib->acsbtmp);
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| 143 |
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| 144 | ceilpri = p_rescb->p_resinib->ceilpri;
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| 145 | if (callevel_stat == TCL_TASK) {
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| 146 | CHECK_ACCESS(p_runtsk->p_tinib->inipri >= ceilpri);
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| 147 |
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| 148 | x_nested_lock_os_int();
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| 149 | D_CHECK_ACCESS(p_rescb->lockflg == FALSE);
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| 150 | curpri = p_runtsk->curpri;
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| 151 | p_rescb->prevpri = curpri;
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| 152 | p_rescb->lockflg = TRUE;
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| 153 | p_rescb->p_prevrescb = p_runtsk->p_lastrescb;
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| 154 | p_runtsk->p_lastrescb = p_rescb;
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| 155 | if (ceilpri < curpri) {
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| 156 | p_runtsk->curpri = ceilpri;
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| 157 | if (ceilpri <= TPRI_MINISR) {
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| 158 | x_set_ipm(ceilpri);
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| 159 | }
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| 160 | }
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| 161 | }
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| 162 | else {
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| 163 | CHECK_ACCESS(GET_INTPRI(p_runisr) >= ceilpri);
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| 164 |
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| 165 | x_nested_lock_os_int();
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| 166 | D_CHECK_ACCESS(p_rescb->lockflg == FALSE);
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| 167 | curpri = x_get_ipm();
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| 168 | p_rescb->prevpri = curpri;
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| 169 | p_rescb->lockflg = TRUE;
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| 170 | p_rescb->p_prevrescb = p_runisr->p_lastrescb;
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| 171 | p_runisr->p_lastrescb = p_rescb;
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| 172 | if (ceilpri < curpri) {
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| 173 | x_set_ipm(ceilpri);
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| 174 | }
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| 175 | }
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| 176 |
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| 177 | d_exit_no_errorhook:
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| 178 | x_nested_unlock_os_int();
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| 179 | exit_no_errorhook:
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| 180 | LOG_GETRES_LEAVE(ercd);
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| 181 | return(ercd);
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| 182 |
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| 183 | #ifdef CFG_USE_ERRORHOOK
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| 184 | exit_errorhook:
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| 185 | x_nested_lock_os_int();
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| 186 | d_exit_errorhook:
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| 187 | #ifdef CFG_USE_PARAMETERACCESS
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| 188 | _errorhook_par1.resid = ResID;
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| 189 | #endif /* CFG_USE_PARAMETERACCESS */
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| 190 | call_errorhook(ercd, OSServiceId_GetResource);
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| 191 | goto d_exit_no_errorhook;
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| 192 | #endif /* CFG_USE_ERRORHOOK */
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| 193 | }
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| 194 |
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| 195 | #endif /* TOPPERS_GetResource */
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| 196 |
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| 197 | /*
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| 198 | * ãªã½ã¼ã¹ã®è¿å´
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| 199 | */
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| 200 | #ifdef TOPPERS_ReleaseResource
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| 201 |
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| 202 | StatusType
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| 203 | ReleaseResource(ResourceType ResID)
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| 204 | {
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| 205 | StatusType ercd = E_OK;
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| 206 | RESCB *p_rescb;
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| 207 |
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| 208 | LOG_RELRES_ENTER(ResID);
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| 209 | CHECK_DISABLEDINT();
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| 210 | CHECK_CALLEVEL(CALLEVEL_RELEASERESOURCE);
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| 211 | CHECK_ID(ResID < tnum_stdresource);
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| 212 | p_rescb = get_rescb(ResID);
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| 213 | CHECK_RIGHT(p_rescb->p_resinib->acsbtmp);
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| 214 |
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| 215 | if (callevel_stat == TCL_TASK) {
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| 216 | CHECK_NOFUNC(p_runtsk->p_lastrescb == p_rescb);
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| 217 |
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| 218 | x_nested_lock_os_int();
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| 219 | if (p_rescb->prevpri <= TPRI_MINISR) {
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| 220 | x_set_ipm(p_rescb->prevpri);
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| 221 | }
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| 222 | else {
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| 223 | if (p_runtsk->curpri <= TPRI_MINISR) {
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| 224 | x_set_ipm((PriorityType) TIPM_ENAALL);
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| 225 | }
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| 226 | }
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| 227 | p_runtsk->curpri = p_rescb->prevpri;
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| 228 | p_runtsk->p_lastrescb = p_rescb->p_prevrescb;
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| 229 | p_rescb->lockflg = FALSE;
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| 230 | if (p_runtsk->curpri > nextpri) {
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| 231 | preempt();
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| 232 | dispatch();
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| 233 | }
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| 234 | }
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| 235 | else {
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| 236 | CHECK_NOFUNC(p_runisr->p_lastrescb == p_rescb);
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| 237 |
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| 238 | x_nested_lock_os_int();
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| 239 | x_set_ipm(p_rescb->prevpri);
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| 240 | p_runisr->p_lastrescb = p_rescb->p_prevrescb;
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| 241 | p_rescb->lockflg = FALSE;
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| 242 | }
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| 243 |
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| 244 | d_exit_no_errorhook:
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| 245 | x_nested_unlock_os_int();
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| 246 | exit_no_errorhook:
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| 247 | LOG_RELRES_LEAVE(ercd);
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| 248 | return(ercd);
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| 249 |
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| 250 | #ifdef CFG_USE_ERRORHOOK
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| 251 | exit_errorhook:
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| 252 | x_nested_lock_os_int();
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| 253 | #ifdef CFG_USE_PARAMETERACCESS
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| 254 | _errorhook_par1.resid = ResID;
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| 255 | #endif /* CFG_USE_PARAMETERACCESS */
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| 256 | call_errorhook(ercd, OSServiceId_ReleaseResource);
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| 257 | goto d_exit_no_errorhook;
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| 258 | #endif /* CFG_USE_ERRORHOOK */
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| 259 | }
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| 260 |
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| 261 | #endif /* TOPPERS_ReleaseResource */
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