[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) 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) 2004-2010 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 | *
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| 11 | * ä¸è¨èä½æ¨©è
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| 12 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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| 13 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»
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| 14 | * åé
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| 15 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 16 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½æ¨©
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| 17 | * 表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼ã¹
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| 18 | * ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 19 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿ç¨
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| 20 | * ã§ããå½¢ã§åé
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| 21 | å¸ããå ´åã«ã¯ï¼åé
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| 22 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 23 | ã
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| 24 | * ãã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿
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| 25 | * 証è¦å®ãæ²è¼ãããã¨ï¼
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| 26 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿ç¨
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| 27 | * ã§ããªãå½¢ã§åé
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| 28 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºãããã¨ï¼
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| 29 | * (a) åé
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| 30 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 31 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½
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| 32 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 33 | * (b) åé
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| 34 | å¸ã®å½¢æ
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| 35 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«å ±
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| 36 | * åãããã¨ï¼
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| 37 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害
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| 38 | * ãããï¼ä¸è¨èä½æ¨©è
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| 39 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 40 | 責ãããã¨ï¼ã¾ãï¼
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| 41 | * æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãçç±ã«åºã¥
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| 42 | * ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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| 43 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 44 | 責ãããã¨ï¼
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| 45 | *
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| 46 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 47 | ãã
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| 48 | * ã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®çã«å¯¾ã
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| 49 | * ãé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨
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| 50 | * ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè²
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| 51 | * ããªãï¼
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| 52 | */
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| 53 |
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| 54 | /*
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| 55 | * ããã»ããµä¾åã¢ã¸ã¥ã¼ã«ï¼Xstormy16ç¨ï¼
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| 56 | */
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| 57 |
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| 58 | #include "jsp_kernel.h"
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| 59 | #include <s_services.h>
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| 60 | #include <hw_timer.h>
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| 61 | #include <hw_serial.h>
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| 62 | #include <cpu_sfrs.h>
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| 63 |
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| 64 | /*
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| 65 | * ã¿ã¤ã ãã£ãã¯ã®å¨æ
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| 66 | */
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| 67 | UINT _kernel_tic_nume = 1u ;
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| 68 |
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| 69 | /*
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| 70 | * ããã»ããµä¾åã®åæå
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| 71 | */
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| 72 | void
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| 73 | cpu_initialize(void)
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| 74 | {
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| 75 | /*
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| 76 | * ä¾å¤ã®è¨±å¯
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| 77 | */
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| 78 | __UNLOCK_EXCP() ; /* unlock writing EXCPL/EXCPH */
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| 79 | __SFR_BITSET( __EXCPL, 0 ) ; /* enable invalid instruction exception */
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| 80 | __SFR_BITSET( __EXCPL, 2 ) ; /* enable odd/word access exception */
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| 81 | __SFR_BITSET( __EXCPL, 4 ) ; /* enable outrange access exception */
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| 82 | __LOCK_EXCP() ; /* lock writing EXCPL/EXCPH */
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| 83 | /*
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| 84 | * ã«ã¼ãã«ã¿ã¤ãã¼ã®èµ·å
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| 85 | */
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| 86 | hw_timer_initialize() ;
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| 87 | }
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| 88 |
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| 89 | /*
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| 90 | * ããã»ããµä¾åã®çµäºå¦ç
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| 91 | */
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| 92 | void
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| 93 | cpu_terminate(void)
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| 94 | {
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| 95 | /*
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| 96 | * ã«ã¼ãã«ã¿ã¤ãã¼ã®åæ¢
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| 97 | */
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| 98 | hw_timer_terminate() ;
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| 99 | /*
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| 100 | * ä¾å¤ã®ç¦æ¢
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| 101 | */
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| 102 | __UNLOCK_EXCP() ; /* unlock writing EXCPL/EXCPH */
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| 103 | __SFR_BITCLR( __EXCPL, 0 ) ; /* disable invalid instruction exception */
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| 104 | __SFR_BITCLR( __EXCPL, 2 ) ; /* disable odd/word access exception */
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| 105 | __SFR_BITCLR( __EXCPL, 4 ) ; /* disable outrange access exception */
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| 106 | __LOCK_EXCP() ; /* lock writing EXCPL/EXCPH */
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| 107 | }
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| 108 |
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| 109 | /*
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| 110 | * å²ãè¾¼ã¿ãã³ãã©ã®ç»é²
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| 111 | */
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| 112 | void _kernel_define_inh(INHNO inhno, FP inthdr)
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| 113 | {
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| 114 | extern FP _kernel_ih_table[TNUM_INTERRUPT] ;
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| 115 | if ( inhno < TNUM_INTERRUPT ) {
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| 116 | _kernel_ih_table[inhno] = inthdr ;
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| 117 | }
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| 118 | }
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| 119 |
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| 120 | /*
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| 121 | * ä¾å¤ãã³ãã©ã®ç»é²
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| 122 | */
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| 123 | void _kernel_define_exc(EXCNO excno, FP exchdr)
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| 124 | {
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| 125 | extern FP _kernel_eh_table[TNUM_EXCEPTION] ;
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| 126 | if ( excno < TNUM_EXCEPTION ) {
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| 127 | _kernel_eh_table[excno] = exchdr ;
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| 128 | }
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| 129 | }
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| 130 |
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| 131 | /*
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| 132 | * ã¿ã¼ã²ããã·ã¹ãã ã®æååºå
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| 133 | */
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| 134 | void sys_putc(char c)
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| 135 | {
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| 136 | sio_asnd_chr( (INT)c ) ;
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| 137 | }
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| 138 |
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| 139 | /*
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| 140 | * å¾®å°æéå¾
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| 141 | ã¡
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| 142 | */
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| 143 | void sil_dly_nse( UINT dlytim )
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| 144 | {
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| 145 | UINT n ;
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| 146 | for ( n = 3 ; n < dlytim ; n++ ) __asm__ volatile ( "nop" ) ;
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| 147 | }
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| 148 |
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