[317] | 1 | /*
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| 2 | * TOPPERS/ASP Kernel
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
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| 4 | * Advanced Standard Profile Kernel
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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) 2005,2006 by Embedded and Real-Time Systems Laboratory
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| 9 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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| 10 | * Copyright (C) 2008-2010 by Witz Corporation, JAPAN
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| 11 | *
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| 12 | * ä¸è¨èä½æ¨©è
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| 13 | ã¯ï¼ä»¥ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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| 14 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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| 15 | * å¤ã»åé
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| 16 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 17 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 18 | * 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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| 19 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 20 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 21 | * ç¨ã§ããå½¢ã§åé
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| 22 | å¸ããå ´åã«ã¯ï¼åé
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| 23 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 24 | * è
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| 25 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 26 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 27 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 28 | * ç¨ã§ããªãå½¢ã§åé
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| 29 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 30 | * ã¨ï¼
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| 31 | * (a) åé
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| 32 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 33 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 34 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 35 | * (b) åé
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| 36 | å¸ã®å½¢æ
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| 37 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 38 | * å ±åãããã¨ï¼
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| 39 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 40 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 41 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 42 | 責ãããã¨ï¼
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| 43 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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| 44 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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| 45 | ããã³TOPPERSããã¸ã§ã¯ãã
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| 46 | * å
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| 47 | 責ãããã¨ï¼
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| 48 | *
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| 49 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 50 | ã
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| 51 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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| 52 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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| 53 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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| 54 | * ã®è²¬ä»»ãè² ããªãï¼
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| 55 | *
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| 56 | * @(#) $Id: prc_kernel_impl.c 317 2017-08-03 13:14:26Z coas-nagasima $
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| 57 | */
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| 58 |
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| 59 | /*
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| 60 | * ããã»ããµä¾åã¢ã¸ã¥ã¼ã«ï¼RX630ç¨ï¼
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| 61 | */
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| 62 |
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| 63 | #include "kernel_impl.h"
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| 64 | #include "sil.h"
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| 65 |
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| 66 |
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| 67 | /*
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| 68 | * å²è¾¼ã¿çºçåæ°ãä¿åããå¤æ°
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| 69 | */
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| 70 | uint16_t intnest;
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| 71 |
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| 72 | /*
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| 73 | * CPUããã¯ãã©ã°å®ç¾ã®ããã®å¤æ°
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| 74 | */
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| 75 | #if TIPM_LOCK != -15
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| 76 | bool_t lock_flag; /* CPUããã¯ãã©ã°ã®å¤ãä¿æããå¤æ° */
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| 77 | uint32_t saved_ipl; /* å²è¾¼ã¿åªå
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| 78 | 度ã¬ãã«ãä¿åããå¤æ° */
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| 79 | #endif /* TIPM_LOCK != -15 */
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| 80 |
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| 81 |
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| 82 | /*
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| 83 | * ããã»ããµä¾åã®åæå
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| 84 | */
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| 85 | void
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| 86 | prc_initialize( void )
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| 87 | {
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| 88 | /*
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| 89 | * å²è¾¼ã¿çºçåæ°ã®åæå
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| 90 | *
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| 91 | * ã¹ã¿ã¼ãã¢ããã¯å
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| 92 | ¨å²è¾¼ã¿ããã¯ç¶æ
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| 93 | & éã¿ã¹ã¯ã³ã³ããã¹ã
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| 94 | * ã«ã¦åä½ãããã, éã¿ã¹ã¯ã³ã³ããã¹ãã«å½è£
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| 95 | ãã.
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| 96 | */
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| 97 | intnest = 1U;
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| 98 |
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| 99 | #if TIPM_LOCK != -15
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| 100 | /*
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| 101 | * CPUããã¯ãã©ã°å®ç¾ã®ããã®å¤æ°ã®åæå
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| 102 | */
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| 103 | lock_flag = true;
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| 104 | saved_ipl = IPL_ENAALL;
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| 105 | #endif /* TIPM_LOCK != -15 */
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| 106 | }
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| 107 |
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| 108 |
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| 109 | /*
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| 110 | * ããã»ããµä¾åã®çµäºå¦ç
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| 111 | */
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| 112 | void
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| 113 | prc_terminate( void )
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| 114 | {
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| 115 | /*
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| 116 | * ç¹ã«å¿
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| 117 | è¦ãªå¦çã¯ãªã
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| 118 | */
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| 119 | }
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| 120 |
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| 121 |
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| 122 | /*
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| 123 | * CPUä¾å¤ã®çºçç¶æ³ã®ãã°åºå
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| 124 | *
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| 125 | * CPUä¾å¤ãã³ãã©ã®ä¸ããï¼CPUä¾å¤æ
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| 126 | å ±ãã¤ã³ã¿ï¼p_excinfï¼ãå¼æ°ã¨ã
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| 127 | * ã¦å¼ã³åºããã¨ã§ï¼CPUä¾å¤ã®çºçç¶æ³ãã·ã¹ãã ãã°ã«åºåããï¼
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| 128 | */
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| 129 | #ifdef SUPPORT_XLOG_SYS
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| 130 | void
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| 131 | xlog_sys( void *p_excinf )
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| 132 | {
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| 133 | syslog(LOG_ERROR , "r1 = %u") , *((uint32_t*)((intptr_t)p_excinf + 14));
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| 134 | syslog(LOG_ERROR , "r2 = %u") , *((uint32_t*)((intptr_t)p_excinf + 15));
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| 135 | syslog(LOG_ERROR , "r3 = %u") , *((uint32_t*)((intptr_t)p_excinf + 16));
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| 136 | syslog(LOG_ERROR , "r4 = %u") , *((uint32_t*)((intptr_t)p_excinf + 17));
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| 137 | syslog(LOG_ERROR , "r5 = %u") , *((uint32_t*)((intptr_t)p_excinf + 18));
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| 138 | syslog(LOG_ERROR , "r6 = %u") , *((uint32_t*)((intptr_t)p_excinf + 1));
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| 139 | syslog(LOG_ERROR , "r7 = %u") , *((uint32_t*)((intptr_t)p_excinf + 2));
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| 140 | syslog(LOG_ERROR , "r8 = %u") , *((uint32_t*)((intptr_t)p_excinf + 3));
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| 141 | syslog(LOG_ERROR , "r9 = %u") , *((uint32_t*)((intptr_t)p_excinf + 4));
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| 142 | syslog(LOG_ERROR , "r10 = %u") , *((uint32_t*)((intptr_t)p_excinf + 5));
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| 143 | syslog(LOG_ERROR , "r11 = %u") , *((uint32_t*)((intptr_t)p_excinf + 6));
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| 144 | syslog(LOG_ERROR , "r12 = %u") , *((uint32_t*)((intptr_t)p_excinf + 7));
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| 145 | syslog(LOG_ERROR , "r13 = %u") , *((uint32_t*)((intptr_t)p_excinf + 8));
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| 146 | syslog(LOG_ERROR , "r14 = %u") , *((uint32_t*)((intptr_t)p_excinf + 12));
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| 147 | syslog(LOG_ERROR , "r15 = %u") , *((uint32_t*)((intptr_t)p_excinf + 13));
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| 148 | syslog(LOG_ERROR , "fpsw = %u") , *((uint32_t*)((intptr_t)p_excinf + 11));
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| 149 | syslog(LOG_ERROR , "acclo = %u") , *((uint32_t*)((intptr_t)p_excinf + 10));
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| 150 | syslog(LOG_ERROR , "acchi = %u") , *((uint32_t*)((intptr_t)p_excinf + 9));
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| 151 | syslog(LOG_ERROR , "pc = %x") , *((uint32_t*)((intptr_t)p_excinf + 19));
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| 152 | syslog(LOG_ERROR , "psw = %x") , *((uint32_t*)((intptr_t)p_excinf + 20));
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| 153 | }
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| 154 | #endif /* SUPPORT_XLOG_SYS */
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| 155 |
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| 156 |
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| 157 | /*
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| 158 | * å²è¾¼ã¿è¦æ±ã©ã¤ã³ã®å±æ§ã®è¨å®
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| 159 | *
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| 160 | * ASPã«ã¼ãã«ã§ã®å©ç¨ãæ³å®ãã¦ï¼ãã©ã¡ã¼ã¿ã¨ã©ã¼ã¯ã¢ãµã¼ã·ã§ã³ã§ãã§ã
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| 161 | * ã¯ãã¦ããï¼cfg_intãµã¼ãã¹ã³ã¼ã«ãè¨ããå ´åã«ã¯ï¼ã¨ã©ã¼ãè¿ããã
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| 162 | * ã«ãã¹ãã§ãããï¼
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| 163 | */
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| 164 | void
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| 165 | config_int( INTNO intno, ATR intatr, PRI intpri )
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| 166 | {
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| 167 | uint8_t irq_offset;
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| 168 | uint8_t irq_val;
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| 169 |
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| 170 | assert( VALID_INTNO_CFGINT(intno) );
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| 171 |
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| 172 | assert( ( -15 <= intpri ) && ( intpri <= TMAX_INTPRI ) );
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| 173 | #if TIPM_LOCK != -15
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| 174 | if( intatr == TA_NONKERNEL ){
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| 175 | assert( intpri < TMIN_INTPRI );
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| 176 | }
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| 177 | else{
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| 178 | assert( TMIN_INTPRI <= intpri );
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| 179 | }
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| 180 | #endif
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| 181 |
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| 182 | /*
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| 183 | * å²è¾¼ã¿ã®ãã¹ã¯
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| 184 | *
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| 185 | * å²è¾¼ã¿ãåãä»ããã¾ã¾ï¼ã¬ãã«ããªã¬ï¼ã¨ãã¸ããªã¬ã®è¨å®ãï¼å²
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| 186 | * è¾¼ã¿åªå
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| 187 | 度ã®è¨å®ãè¡ãã®ã¯å±éºãªããï¼å²è¾¼ã¿å±æ§ã«ãããããï¼
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| 188 | * ä¸æ¦ãã¹ã¯ããï¼
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| 189 | */
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| 190 | ( void )disable_int( intno );
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| 191 |
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| 192 | /*
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| 193 | * ã¬ãã«ããªã¬/ã¨ãã¸ããªã¬ã®è¨å®
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| 194 | *
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| 195 | * IRQã®ã¿ãµãã¼ããã
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| 196 | */
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| 197 | if( INTNO_IRQ( intno ) != 0U ){
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| 198 | irq_offset = INTNO_IRQ_OFFSET( intno );
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| 199 |
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| 200 | if( ( intatr & TA_POSEDGE ) != 0U ){
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| 201 | irq_val = IRQ_POSEDGE;
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| 202 | }
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| 203 | else if( ( intatr & TA_NEGEDGE ) != 0U ){
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| 204 | irq_val = IRQ_NEGEDGE;
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| 205 | }
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| 206 | else if( ( intatr & TA_BOTHEDGE ) != 0U ){
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| 207 | irq_val = IRQ_BOTHEDGE;
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| 208 | }
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| 209 | else if( ( intatr & TA_LOWLEVEL ) != 0U ){
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| 210 | irq_val = IRQ_LOWLEVEL;
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| 211 | }
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| 212 | else{
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| 213 | /*
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| 214 | * ã³ã³ãã£ã®ã¥ã¬ã¼ã¿ã«ã¦ãã§ãã¯ãã¦ãããã,
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| 215 | * ããã¸ãããã¨ã¯ããããªã.
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| 216 | */
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| 217 | irq_val = 0U;
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| 218 | }
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| 219 |
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| 220 | sil_wrb_mem((uint8_t *)irqcr_reg_addr[irq_offset], irq_val);
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| 221 | }
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| 222 |
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| 223 | /*
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| 224 | * å²è¾¼ã¿ã¬ãã«ã®è¨å®
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| 225 | *
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| 226 | * å²è¾¼ã¿çªå·ã«å¯¾å¿ããIPRå¤ãè¨å®ãã.
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| 227 | */
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| 228 | sil_wrb_mem((uint8_t *)ipr_reg_addr[intno], cfg_int_table[intno].intpri);
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| 229 |
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| 230 | /*
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| 231 | * å²è¾¼ã¿ã®ãã¹ã¯è§£é¤
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| 232 | */
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| 233 | if( ( intatr & TA_ENAINT ) != 0U ){
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| 234 | ( void )enable_int( intno );
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| 235 | }
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| 236 | }
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| 237 |
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| 238 |
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| 239 | #ifndef OMIT_DEFAULT_INT_HANDLER
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| 240 | /*
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| 241 | * æªç»é²ã®å²è¾¼ã¿ãçºçããå ´åã«å¼ã³åºããã
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| 242 | */
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| 243 | void
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| 244 | default_int_handler( void )
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| 245 | {
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| 246 | syslog(LOG_EMERG, "Unregistered Interrupt occurs.");
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| 247 | }
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| 248 | #endif /* OMIT_DEFAULT_INT_HANDLER */
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| 249 |
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| 250 | #ifndef OMIT_DEFAULT_EXC_HANDLER
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| 251 | /*
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| 252 | * æªç»é²ã®ä¾å¤ãçºçããå ´åã«å¼ã³åºããã
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| 253 | */
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| 254 | void
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| 255 | default_exc_handler( void )
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| 256 | {
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| 257 | syslog(LOG_EMERG, "Unregistered Expevt error occurs.");
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| 258 | }
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| 259 | #endif /* OMIT_DEFAULT_EXC_HANDLER */
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| 260 |
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