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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