[26] | 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) 2000,2001 by Embedded and Real-Time Systems Laboratory
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| 7 | * Toyohashi Univ. of Technology, JAPAN
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| 8 | * Copyright (C) 2002 by Monami software, Limited Partners.
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| 9 | * Copyright (C) 2002 by MURANAKA Masaki
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| 10 | * Copyright (C) 2008- by Monami Software Limited Partnership, 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)ã(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: hw_timer.h,v 1.1 2004/07/21 02:49:36 monaka Exp $
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| 57 | */
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| 58 |
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| 59 | /*
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| 60 | * ã¿ã¼ã²ããä¾åã¿ã¤ãã¢ã¸ã¥ã¼ã«ï¼PC/ATç¨ï¼
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| 61 | */
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| 62 |
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| 63 | #ifndef _HW_TIMER_H_
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| 64 | #define _HW_TIMER_H_
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| 65 |
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| 66 | #include <s_services.h>
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| 67 | #include <irc.h>
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| 68 |
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| 69 | /*
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| 70 | * ã¿ã¤ãå²è¾¼ã¿ãã³ãã©ã®ãã¯ã¿çªå·
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| 71 | */
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| 72 | #define INHNO_TIMER PIT_INHNO
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| 73 |
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| 74 | #ifndef _MACRO_ONLY
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| 75 |
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| 76 | /*
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| 77 | * ã¿ã¤ãã®èµ·åå¦ç
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| 78 | *
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| 79 | * ã¿ã¤ããåæåãï¼å¨æçãªã¿ã¤ãå²è¾¼ã¿è¦æ±ãçºçãããï¼
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| 80 | */
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| 81 | Inline void
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| 82 | hw_timer_initialize()
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| 83 | {
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| 84 | static const int count = (UD)14318180 * TIC_NUME / 12 / 1000 / TIC_DENO;
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| 85 | assert(2 <= count && count <= 0x10000);
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| 86 | sil_wrb_iop((VP)0x43, 0x34);
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| 87 | sil_wrb_iop((VP)0x40, count & 0xff);
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| 88 | sil_wrb_iop((VP)0x40, count >> 8);
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| 89 |
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| 90 | irc_ena_irq(TO_INTNO(PIT_INHNO));
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| 91 | }
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| 92 |
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| 93 | /*
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| 94 | * ã¿ã¤ãå²è¾¼ã¿è¦æ±ã®ã¯ãªã¢
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| 95 | */
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| 96 | Inline void
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| 97 | hw_timer_int_clear()
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| 98 | {
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| 99 | }
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| 100 |
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| 101 | /*
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| 102 | * ã¿ã¤ãã®åæ¢å¦ç
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| 103 | *
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| 104 | * ã¿ã¤ãã®åä½ãåæ¢ãããï¼
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| 105 | */
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| 106 | Inline void
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| 107 | hw_timer_terminate()
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| 108 | {
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| 109 | irc_dis_irq(TO_INTNO(PIT_INHNO));
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| 110 | }
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| 111 |
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| 112 | #endif /* _MACRO_ONLY */
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| 113 |
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| 114 | #endif /* _HW_TIMER_H_ */
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