[101] | 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¨æѺL̳ÛØKèªC»ÌÜÜÌ`Å\[
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| 18 | * XR[hÉÜÜêÄ¢é±ÆD
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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¨æѺL
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| 24 | * ̳ÛØKèðfÚ·é±ÆD
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| 25 | * (3) {\tgEFAðC@íÉgÝÞÈÇC¼Ì\tgEFAJÉg
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| 26 | * pÅ«È¢`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¨æѺL̳ÛØKèðfÚ·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_excinfjðøƵ
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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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