1 | /*
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2 | * TOPPERS/SSP Kernel
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3 | * Smallest Set Profile Kernel
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4 | *
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5 | * Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
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6 | * Toyohashi Univ. of Technology, JAPAN
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7 | * Copyright (C) 2005,2006 by Embedded and Real-Time Systems Laboratory
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8 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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9 | * Copyright (C) 2008-2010 by Witz Corporation, JAPAN
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10 | *
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11 | * ãLì ÒÍCÈºÌ (1)`(4) Ìð©CFree Software Foundation
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12 | * ÉæÁÄö\³êÄ¢é GNU General Public License Ì Version 2 ÉL
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13 | * q³êÄ¢éðð½·êÉÀèC{\tgEFAi{\tgEFA
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14 | * ðüϵ½àÌðÜÞDȺ¯¶jðgpE¡»EüÏEÄzziȺC
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15 | * pÆÄÔj·é±Æð³Åø·éD
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16 | * (1) {\tgEFAð\[XR[hÌ`Åp·éêÉÍCãLÌì
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17 | * \¦C±Ìpð¨æÑºLÌ³ÛØKèªC»ÌÜÜÌ`Å\[
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18 | * XR[hÉÜÜêĢ鱯D
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19 | * (2) {\tgEFAðCCu`®ÈÇC¼Ì\tgEFAJÉg
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20 | * pÅ«é`ÅÄzz·éêÉÍCÄzzɺ¤hL
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21 | gip
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22 | * Ò}j
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23 | AÈÇjÉCãLÌì \¦C±Ìpð¨æÑºL
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24 | * Ì³ÛØKèðfÚ·é±ÆD
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25 | * (3) {\tgEFAðC@íÉgÝÞÈÇC¼Ì\tgEFAJÉg
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26 | * pūȢ`ÅÄzz·éêÉÍCÌ¢¸ê©Ìðð½·±
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27 | * ÆD
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28 | * (a) Äzzɺ¤hL
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29 | gipÒ}j
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30 | AÈÇjÉCãLÌ
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31 | * ì \¦C±Ìpð¨æÑºLÌ³ÛØKèðfÚ·é±ÆD
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32 | * (b) ÄzzÌ`ÔðCÊÉèßéû@ÉæÁÄCTOPPERSvWFNgÉ
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33 | * ñ·é±ÆD
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34 | * (4) {\tgEFAÌpÉæè¼ÚIܽÍÔÚIɶ¶é¢©Èé¹
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35 | * Q©çàCãLì Ò¨æÑTOPPERSvWFNgðÆÓ·é±ÆD
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36 | *
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37 | * {\tgEFAÍC³ÛØÅñ³êÄ¢éàÌÅ éDãLì Ò¨
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38 | * æÑTOPPERSvWFNgÍC{\tgEFAÉÖµÄC»ÌKpÂ\«à
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39 | * ÜßÄC¢©ÈéÛØàsíÈ¢DܽC{\tgEFAÌpÉæè¼
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40 | * ÚIܽÍÔÚIɶ¶½¢©Èé¹QÉÖµÄàC»ÌÓCðíÈ¢D
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41 | *
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42 | */
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43 |
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44 | /*
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45 | * vZbT˶W
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46 | [iRX630pj
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47 | */
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48 |
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49 | #include "kernel_impl.h"
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50 | #include "sil.h"
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51 |
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52 |
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53 | /*
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54 | * ݶñðÛ¶·éÏ
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55 | */
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56 | uint16_t intnest;
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57 |
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58 | /*
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59 | * CPUbNtOÀ»Ì½ßÌÏ
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60 | */
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61 | #if TIPM_LOCK != -15
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62 | bool_t lock_flag; /* CPUbNtOÌlðÛ·éÏ */
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63 | uint32_t saved_ipl; /* ÝDæxxðÛ¶·éÏ */
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64 | #endif /* TIPM_LOCK != -15 */
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65 |
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66 |
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67 | /*
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68 | * vZbT˶Ìú»
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69 | */
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70 | void
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71 | prc_initialize( void )
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72 | {
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73 | /*
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74 | * ݶñÌú»
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75 | *
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76 | * X^[gAbvÍSÝbNóÔ & ñ^XNReLXg
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77 | * ÉÄ®ì·é½ß, ñ^XNReLXgÉU·é.
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78 | */
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79 | intnest = 1U;
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80 |
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81 | #if TIPM_LOCK != -15
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82 | /*
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83 | * CPUbNtOÀ»Ì½ßÌÏÌú»
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84 | */
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85 | lock_flag = true;
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86 | saved_ipl = IPL_ENAALL;
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87 | #endif /* TIPM_LOCK != -15 */
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88 | }
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89 |
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90 |
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91 | /*
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92 | * vZbT˶ÌI¹
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93 | */
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94 | void
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95 | prc_terminate( void )
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96 | {
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97 | /*
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98 | * ÁÉKvÈÍÈ¢
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99 | */
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100 | }
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101 |
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102 |
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103 | /*
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104 | * CPUáO̶óµÌOoÍ
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105 | *
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106 | * CPUáOnhÌ©çCCPUáOîñ|C^ip_excinfjðøÆµ
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107 | * ÄÄÑo·±ÆÅCCPUáO̶óµðVXeOÉoÍ·éD
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108 | */
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109 | #ifdef SUPPORT_XLOG_SYS
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110 | void
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111 | xlog_sys( void *p_excinf )
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112 | {
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113 | syslog(LOG_ERROR , "r1 = %u") , *((uint32_t*)((intptr_t)p_excinf + 14));
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114 | syslog(LOG_ERROR , "r2 = %u") , *((uint32_t*)((intptr_t)p_excinf + 15));
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115 | syslog(LOG_ERROR , "r3 = %u") , *((uint32_t*)((intptr_t)p_excinf + 16));
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116 | syslog(LOG_ERROR , "r4 = %u") , *((uint32_t*)((intptr_t)p_excinf + 17));
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117 | syslog(LOG_ERROR , "r5 = %u") , *((uint32_t*)((intptr_t)p_excinf + 18));
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118 | syslog(LOG_ERROR , "r6 = %u") , *((uint32_t*)((intptr_t)p_excinf + 1));
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119 | syslog(LOG_ERROR , "r7 = %u") , *((uint32_t*)((intptr_t)p_excinf + 2));
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120 | syslog(LOG_ERROR , "r8 = %u") , *((uint32_t*)((intptr_t)p_excinf + 3));
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121 | syslog(LOG_ERROR , "r9 = %u") , *((uint32_t*)((intptr_t)p_excinf + 4));
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122 | syslog(LOG_ERROR , "r10 = %u") , *((uint32_t*)((intptr_t)p_excinf + 5));
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123 | syslog(LOG_ERROR , "r11 = %u") , *((uint32_t*)((intptr_t)p_excinf + 6));
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124 | syslog(LOG_ERROR , "r12 = %u") , *((uint32_t*)((intptr_t)p_excinf + 7));
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125 | syslog(LOG_ERROR , "r13 = %u") , *((uint32_t*)((intptr_t)p_excinf + 8));
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126 | syslog(LOG_ERROR , "r14 = %u") , *((uint32_t*)((intptr_t)p_excinf + 12));
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127 | syslog(LOG_ERROR , "r15 = %u") , *((uint32_t*)((intptr_t)p_excinf + 13));
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128 | syslog(LOG_ERROR , "fpsw = %u") , *((uint32_t*)((intptr_t)p_excinf + 11));
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129 | syslog(LOG_ERROR , "acclo = %u") , *((uint32_t*)((intptr_t)p_excinf + 10));
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130 | syslog(LOG_ERROR , "acchi = %u") , *((uint32_t*)((intptr_t)p_excinf + 9));
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131 | syslog(LOG_ERROR , "pc = %x") , *((uint32_t*)((intptr_t)p_excinf + 19));
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132 | syslog(LOG_ERROR , "psw = %x") , *((uint32_t*)((intptr_t)p_excinf + 20));
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133 | }
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134 | #endif /* SUPPORT_XLOG_SYS */
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135 |
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136 |
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137 | /*
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138 | * ÝvCÌ®«ÌÝè
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139 | *
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140 | * ASPJ[lÅÌpðzèµÄCp[^G[ÍAT[VÅ`Fb
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141 | * NµÄ¢éDcfg_intT[rXR[ðݯéêÉÍCG[ðÔ·æ¤
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142 | * ɷ׫Šë¤D
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143 | */
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144 | void
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145 | x_config_int( INTNO intno, ATR intatr, PRI intpri )
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146 | {
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147 | uint8_t irq_offset;
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148 | uint8_t irq_val;
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149 |
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150 | assert( VALID_INTNO_CFGINT(intno) );
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151 |
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152 | assert( ( -15 <= intpri ) && ( intpri <= TMAX_INTPRI ) );
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153 | #if TIPM_LOCK != -15
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154 | if( intatr == TA_NONKERNEL ){
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155 | assert( intpri < TMIN_INTPRI );
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156 | }
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157 | else{
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158 | assert( TMIN_INTPRI <= intpri );
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159 | }
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160 | #endif
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161 |
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162 | /*
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163 | * ÝÌ}XN
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164 | *
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165 | * Ýðó¯t¯½ÜÜCxgK^GbWgKÌÝèâC
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166 | * ÝDæxÌÝèðs¤ÌÍë¯È½ßCÝ®«É©©íç¸C
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167 | * êU}XN·éD
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168 | */
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169 | ( void )x_disable_int( intno );
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170 |
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171 | /*
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172 | * xgK/GbWgKÌÝè
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173 | *
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174 | * IRQÌÝT|[g·é
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175 | */
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176 | if( INTNO_IRQ( intno ) != 0U ){
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177 | irq_offset = INTNO_IRQ_OFFSET( intno );
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178 |
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179 | if( ( intatr & TA_POSEDGE ) != 0U ){
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180 | irq_val = IRQ_POSEDGE;
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181 | }
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182 | else if( ( intatr & TA_NEGEDGE ) != 0U ){
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183 | irq_val = IRQ_NEGEDGE;
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184 | }
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185 | else if( ( intatr & TA_BOTHEDGE ) != 0U ){
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186 | irq_val = IRQ_BOTHEDGE;
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187 | }
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188 | else if( ( intatr & TA_LOWLEVEL ) != 0U ){
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189 | irq_val = IRQ_LOWLEVEL;
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190 | }
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191 | else{
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192 | /*
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193 | * RtBM
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194 | [^ÉÄ`FbNµÄ¢é½ß,
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195 | * ±±Öé±ÆÍ è¦È¢.
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196 | */
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197 | irq_val = 0U;
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198 | }
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199 |
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200 | sil_wrb_mem((uint8_t *)irqcr_reg_addr[irq_offset], irq_val);
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201 | }
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202 |
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203 | /*
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204 | * ÝxÌÝè
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205 | *
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206 | * ÝÔÉε½IPRlðÝè·é.
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207 | */
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208 | sil_wrb_mem((uint8_t *)ipr_reg_addr[intno], cfg_int_table[intno].intpri);
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209 |
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210 | /*
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211 | * ÝÌ}XNð
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212 | */
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213 | if( ( intatr & TA_ENAINT ) != 0U ){
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214 | ( void )x_enable_int( intno );
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215 | }
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216 | }
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217 |
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218 |
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219 | #ifndef OMIT_DEFAULT_INT_HANDLER
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220 | /*
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221 | * ¢o^Ìݪ¶µ½êÉÄÑo³êé
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222 | */
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223 | void
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224 | default_int_handler( void )
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225 | {
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226 | syslog(LOG_EMERG, "Unregistered Interrupt occurs.");
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227 | }
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228 | #endif /* OMIT_DEFAULT_INT_HANDLER */
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229 |
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230 | #ifndef OMIT_DEFAULT_EXC_HANDLER
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231 | /*
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232 | * ¢o^ÌáOª¶µ½êÉÄÑo³êé
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233 | */
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234 | void
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235 | default_exc_handler( void )
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236 | {
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237 | syslog(LOG_EMERG, "Unregistered Expevt error occurs.");
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238 | }
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239 | #endif /* OMIT_DEFAULT_EXC_HANDLER */
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240 |
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