[363] | 1 | /*
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| 2 | * TOPPERS/JSP Kernel
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
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| 4 | * Just 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) 2003 by Advanced Data Controls, Corp
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| 9 | * Copyright (C) 2004 by Embedded and Real-Time Systems Laboratory
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| 10 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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| 11 | * Copyright (C) 2006 by GJ Business Division RICOH COMPANY,LTD. JAPAN
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| 12 | *
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| 13 | * ä¸è¨èä½æ¨©è
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| 14 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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| 15 | * ã«ãã£ã¦å
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| 16 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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| 17 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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| 18 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 19 | å¸ï¼ä»¥ä¸ï¼
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| 20 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 21 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 22 | * 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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| 23 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 24 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 25 | * ç¨ã§ããå½¢ã§åé
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| 26 | å¸ããå ´åã«ã¯ï¼åé
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| 27 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 28 | * è
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| 29 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 30 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 31 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 32 | * ç¨ã§ããªãå½¢ã§åé
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| 33 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 34 | * ã¨ï¼
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| 35 | * (a) åé
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| 36 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 37 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 38 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 39 | * (b) åé
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| 40 | å¸ã®å½¢æ
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| 41 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 42 | * å ±åãããã¨ï¼
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| 43 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 44 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 45 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 46 | 責ãããã¨ï¼
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| 47 | *
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| 48 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 49 | ã
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| 50 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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| 51 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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| 52 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 53 | *
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| 54 | * @(#) $Id$
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| 55 | */
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| 56 |
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| 57 | /*
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| 58 | * ã¿ã¼ã²ããã·ã¹ãã ä¾åã¢ã¸ã¥ã¼ã«ï¼At91sam7sç¨ï¼
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| 59 | */
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| 60 |
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| 61 | #include "jsp_kernel.h"
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| 62 | #include <at91sam7s.h>
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| 63 |
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| 64 |
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| 65 | /*interrupt mask*/
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| 66 | UW int_mode_table[MAX_INT_NUM]={
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| 67 | 0,
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| 68 | 0,
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| 69 | 0,
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| 70 | 0,
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| 71 | 0,
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| 72 | 0,
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| 73 | SMR_US0,
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| 74 | SMR_US1,
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| 75 | 0,
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| 76 | 0,
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| 77 | 0,
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| 78 | 0,
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| 79 | SMR_TC0,
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| 80 | SMR_TC1,
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| 81 | SMR_TC2,
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| 82 | 0,
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| 83 | 0,
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| 84 | 0,
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| 85 | 0,
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| 86 | 0,
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| 87 | 0,
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| 88 | 0,
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| 89 | 0,
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| 90 | 0,
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| 91 | 0,
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| 92 | 0,
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| 93 | 0,
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| 94 | 0,
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| 95 | 0,
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| 96 | 0,
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| 97 | 0,
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| 98 | 0
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| 99 | };
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| 100 |
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| 101 | /*
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| 102 | * ã¿ã¼ã²ããã·ã¹ãã ä¾åã®åæå
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| 103 | */
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| 104 | void
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| 105 | sys_initialize()
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| 106 | {
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| 107 | unsigned int baud = ((MCK * 10) / (115200 * 16));
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| 108 | unsigned long brgr;
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| 109 |
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| 110 | #ifndef VECTOR_IN_ROM
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| 111 | /*
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| 112 | * ARMã®ãã¯ã¿ãã¼ãã«ã¸å²è¾¼ã¿ãã³ãã©ãç»é²
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| 113 | */
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| 114 | arm_install_handler(IRQ_Number,IRQ_Handler);
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| 115 | #endif
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| 116 |
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| 117 | /*
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| 118 | * sys_putc ãå¯è½ã«ãªãããã«UARTãåæå
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| 119 | */
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| 120 | brgr = baud / 10;
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| 121 | if((baud % 10) >= 5)
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| 122 | brgr = (baud / 10) + 1;
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| 123 | sil_wrw_mem((VP)(TADR_PIO_BASE+TOFF_PIO_PDR), (1<<9)|(1<<10));
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| 124 | sil_wrw_mem((VP)(TADR_DBGU_BASE+TOFF_US_IDR), 0xFFFFFFFF);
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| 125 | sil_wrw_mem((VP)(TADR_DBGU_BASE+TOFF_US_CR), US_RSTRX|US_RSTTX|US_RXDIS|US_TXDIS);
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| 126 | sil_wrw_mem((VP)(TADR_DBGU_BASE+TOFF_US_BRGR), brgr);
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| 127 | sil_wrw_mem((VP)(TADR_DBGU_BASE+TOFF_US_MR), 4<<9);
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| 128 | sil_wrw_mem((VP)(TADR_DBGU_BASE+TOFF_US_CR), US_TXEN|US_RXEN);
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| 129 | }
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| 130 |
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| 131 |
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| 132 | /*
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| 133 | * ã¿ã¼ã²ããã·ã¹ãã ã®çµäº
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| 134 | */
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| 135 | void
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| 136 | sys_exit(void)
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| 137 | {
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| 138 | syslog(LOG_EMERG, "End Kernel.....!");
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| 139 | while(1);
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| 140 | }
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| 141 |
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| 142 |
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| 143 | /*
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| 144 | * ã¿ã¼ã²ããã·ã¹ãã ã®æååºå
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| 145 | */
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| 146 |
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| 147 | void
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| 148 | sys_putc(char c)
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| 149 | {
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| 150 | if (c == '\n') {
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| 151 | uart_putc('\r');
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| 152 | }
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| 153 | uart_putc(c);
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| 154 | }
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| 155 |
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| 156 |
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| 157 | /*
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| 158 | * å²è¾¼ã¿ãã³ãã©ã®è¨å®
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| 159 | *
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| 160 | * å²è¾¼ã¿çªå· inhno ã®å²è¾¼ã¿ãã³ãã©ã®èµ·åçªå°ã inthdr ã«è¨å®ããï¼
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| 161 | */
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| 162 | void
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| 163 | define_inh(INHNO inhno, FP inthdr)
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| 164 | {
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| 165 | assert(inhno < MAX_INT_NUM);
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| 166 | sil_wrw_mem((VP)(TADR_AIC_BASE+TOFF_AIC_IDCR), 1<<inhno);
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| 167 | sil_wrw_mem((VP)(TADR_AIC_BASE+TOFF_AIC_SVR+inhno*4), (UW)inthdr);
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| 168 | sil_wrw_mem((VP)(TADR_AIC_BASE+TOFF_AIC_SMR+inhno*4), int_mode_table[inhno]);
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| 169 | sil_wrw_mem((VP)(TADR_AIC_BASE+TOFF_AIC_ICCR), 1<<inhno);
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| 170 | sil_wrw_mem((VP)(TADR_AIC_BASE+TOFF_AIC_IECR), 1<<inhno);
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| 171 | }
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| 172 |
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| 173 | /*
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| 174 | * æªå®ç¾©ã®å²è¾¼ã¿ãå
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| 175 | ¥ã£ãå ´åã®å¦ç
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| 176 | */
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| 177 | void
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| 178 | undef_interrupt(){
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| 179 | syslog(LOG_EMERG, "Unregistered Interrupt occurs.");
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| 180 | while(1);
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| 181 | }
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| 182 |
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