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 | *
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9 | * ä¸è¨èä½æ¨©è
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10 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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11 | * ã«ãã£ã¦å
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12 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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13 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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14 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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15 | å¸ï¼ä»¥ä¸ï¼
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16 | * å©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 | *
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44 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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45 | ã
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46 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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47 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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48 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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49 | *
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50 | * @(#) $Id: hw_timer.h,v 1.2 2007/05/30 08:38:51 honda Exp $
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51 | */
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52 |
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53 | /*
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54 | * ã¿ã¼ã²ããä¾åã¿ã¤ãã¢ã¸ã¥ã¼ã«ï¼M32R å
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55 | èµã¿ã¤ã(MFT0)ç¨ï¼
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56 | */
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57 |
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58 | #ifndef _HW_TIMER_H_
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59 | #define _HW_TIMER_H_
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60 |
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61 | #include <s_services.h>
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62 |
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63 | #define WAIT __asm("nop;nop;nop;nop");
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64 |
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65 | /*
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66 | * ã¿ã¤ãå²è¾¼ã¿ãã³ãã©ã®ãã¯ã¿çªå·
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67 | */
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68 | #define INHNO_TIMER 21 //INT_MFT0(16) + TIMER_PORT(5)
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69 |
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70 | #ifndef _MACRO_ONLY
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71 |
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72 | /*
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73 | * ã¿ã¤ãå¤ã®å
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74 | é¨è¡¨ç¾ã®å
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75 | */
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76 | typedef UW CLOCK;
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77 |
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78 | /*
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79 | * ã¿ã¤ãã®èµ·åå¦ç
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80 | *
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81 | * ã¿ã¤ããåæåãï¼å¨æçãªã¿ã¤ãå²è¾¼ã¿è¦æ±ãçºçãããï¼
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82 | */
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83 | Inline void
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84 | hw_timer_initialize()
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85 | {
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86 | *(volatile unsigned short *)(ICUCR(MFT,TIMER_PORT)+2) = 0x1000;
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87 | *(volatile unsigned short *)(MFTMOD(TIMER_PORT)+2) = 0x8000;
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88 | *(volatile unsigned short *)(MFTCUT(TIMER_PORT)+2) = TIMER_CLKCNT;
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89 | *(volatile unsigned short *)(MFTCR+2) = 0x8080 >> TIMER_PORT;
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90 | }
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91 |
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92 | /*
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93 | * ã¿ã¤ãå²è¾¼ã¿è¦æ±ã®ã¯ãªã¢
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94 | */
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95 | Inline void
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96 | hw_timer_int_clear()
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97 | {
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98 | *(volatile unsigned char *)(ICUCR(MFT,TIMER_PORT)+2) = 0x10;
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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 | *(volatile unsigned char *)(ICUCR(MFT,TIMER_PORT)+2) = 0x0;
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110 | }
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111 |
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112 | /*
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113 | * ã¿ã¤ãã®ç¾å¨å¤ã®èªåºã
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114 | */
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115 | Inline CLOCK
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116 | hw_timer_get_current(void)
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117 | {
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118 | return *(volatile unsigned short *)(MFTCUT(TIMER_PORT)+2);
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119 | }
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120 |
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121 | /*
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122 | * ã¿ã¤ãå²è¾¼ã¿è¦æ±ã®ãã§ãã¯
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123 | */
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124 | Inline BOOL
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125 | hw_timer_fetch_interrupt(void)
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126 | { return *(volatile unsigned char *)(ICUCR(MFT,TIMER_PORT)+2) & 0x1; }
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127 |
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128 | #endif /* _MACRO_ONLY */
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129 |
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130 | #endif /* _HW_TIMER_H_ */
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131 |
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