1 | /*
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2 | * TOPPERS/ASP Kernel
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3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
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4 | * Advanced 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) 2005-2016 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)ï½(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»æ¹
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14 | * å¤ã»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®èä½
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17 | * 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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18 | * ã¹ã³ã¼ãä¸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¿
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20 | * ç¨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¨
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23 | * è
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24 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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25 | * ã®ç¡ä¿è¨¼è¦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¿
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27 | * ç¨ã§ããªãå½¢ã§åé
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28 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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29 | * ã¨ï¼
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30 | * (a) åé
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31 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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32 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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33 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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34 | * (b) åé
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35 | å¸ã®å½¢æ
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36 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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37 | * å ±åãããã¨ï¼
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38 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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39 | * 害ãããï¼ä¸è¨èä½æ¨©è
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40 | ããã³TOPPERSããã¸ã§ã¯ããå
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41 | 責ãããã¨ï¼
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42 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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43 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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44 | ããã³TOPPERSããã¸ã§ã¯ãã
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45 | * å
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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¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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51 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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52 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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53 | * ã®è²¬ä»»ãè² ããªãï¼
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54 | *
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55 | * $Id: chip_timer.h 270 2017-02-09 04:03:47Z coas-nagasima $
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56 | */
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57 |
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58 | /*
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59 | * ã¿ã¤ããã©ã¤ãï¼RZ/A1 OSã¿ã¤ãç¨ï¼
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60 | *
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61 | * RZ/A1ã¯2ãã£ã³ãã«ã®OSã¿ã¤ããæã¤ãï¼ãã®å
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62 | ã®1ã¤ãç¨ãã¦é«å解è½ã¿
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63 | * ã¤ããï¼ãã1ã¤ãç¨ãã¦ãªã¼ãã©ã³ã¿ã¤ããå®ç¾ããï¼
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64 | */
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65 |
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66 | #ifndef TOPPERS_CHIP_TIMER_H
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67 | #define TOPPERS_CHIP_TIMER_H
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68 |
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69 | #include <sil.h>
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70 | #include "rza1.h"
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71 |
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72 | /*
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73 | * ã¿ã¤ãå²è¾¼ã¿ãã³ãã©ç»é²ã®ããã®å®æ°
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74 | */
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75 | #define INHNO_TIMER INTNO_OSTM0 /* å²è¾¼ã¿ãã³ãã©çªå· */
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76 | #define INTNO_TIMER INTNO_OSTM0 /* å²è¾¼ã¿çªå· */
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77 | #define INTPRI_TIMER (TMAX_INTPRI - 1) /* å²è¾¼ã¿åªå
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78 | 度 */
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79 | #define INTATR_TIMER TA_EDGE /* å²è¾¼ã¿å±æ§ */
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80 |
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81 | /*
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82 | * ãªã¼ãã©ã³ã¿ã¤ãå²è¾¼ã¿ãã³ãã©ç»é²ã®ããã®å®æ°
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83 | */
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84 | #ifdef TOPPERS_SUPPORT_OVRHDR
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85 | #define INHNO_OVRTIMER INTNO_OSTM1 /* å²è¾¼ã¿ãã³ãã©çªå· */
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86 | #define INTNO_OVRTIMER INTNO_OSTM1 /* å²è¾¼ã¿çªå· */
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87 | #define INTPRI_OVRTIMER TMAX_INTPRI /* å²è¾¼ã¿åªå
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88 | 度 */
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89 | #define INTATR_OVRTIMER TA_EDGE /* å²è¾¼ã¿å±æ§ */
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90 | #endif /* TOPPERS_SUPPORT_OVRHDR */
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91 |
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92 | /*
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93 | * OSã¿ã¤ãã®å¨æ³¢æ°ã®æ³å®å¤ã®ãã§ãã¯
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94 | *
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95 | * ç¾å¨ã®å®è£
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96 | ã¯ï¼ã¯ããã¯ã33.33â¦MHzã®å ´åã®ã¿ã«å¯¾å¿ãã¦ããï¼
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97 | */
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98 | #if OSTM_CLK != 33333333UL
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99 | #error Unsupported OS time clock.
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100 | #endif /* OSTM_CLK != 33333333UL */
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101 |
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102 | /*
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103 | * OSã¿ã¤ãã¬ã¸ã¹ã¿ã®çªå°ã®å®ç¾©
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104 | */
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105 | #define OSTM_CMP(base) ((uint32_t *)(base + 0x00U))
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106 | #define OSTM_CNT(base) ((uint32_t *)(base + 0x04U))
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107 | #define OSTM_TE(base) ((uint8_t *)(base + 0x10U))
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108 | #define OSTM_TS(base) ((uint8_t *)(base + 0x14U))
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109 | #define OSTM_TT(base) ((uint8_t *)(base + 0x18U))
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110 | #define OSTM_CTL(base) ((uint8_t *)(base + 0x20U))
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111 |
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112 | /*
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113 | * OSã¿ã¤ã ã«ã¦ã³ãéå§ããªã¬ã¬ã¸ã¹ã¿ã®è¨å®å¤ã®å®ç¾©
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114 | */
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115 | #define OSTM_TS_START 0x01U
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116 |
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117 | /*
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118 | * OSã¿ã¤ã ã«ã¦ã³ãåæ¢ããªã¬ã¬ã¸ã¹ã¿ã®è¨å®å¤ã®å®ç¾©
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119 | */
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120 | #define OSTM_TT_STOP 0x01U
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121 |
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122 | /*
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123 | * OSã¿ã¤ã å¶å¾¡ã¬ã¸ã¹ã¿ã®è¨å®å¤ã®å®ç¾©
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124 | */
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125 | #define OSTM_CTL_INTERVAL 0x00U /* ã¤ã³ã¿ã¼ãã«ã¿ã¤ãã¢ã¼ã */
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126 | #define OSTM_CTL_FRCMP 0x02U /* ããªã¼ã©ã³ãã³ã°ã³ã³ãã¢ã¢ã¼ã */
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127 |
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128 | #ifndef TOPPERS_MACRO_ONLY
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129 |
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130 | /*
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131 | * é«å解è½ã¿ã¤ãã®èµ·åå¦ç
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132 | */
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133 | extern void target_hrt_initialize(intptr_t exinf);
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134 |
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135 | /*
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136 | * é«å解è½ã¿ã¤ãã®åæ¢å¦ç
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137 | */
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138 | extern void target_hrt_terminate(intptr_t exinf);
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139 |
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140 | /*
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141 | * é«å解è½ã¿ã¤ãã®ç¾å¨ã®ã«ã¦ã³ãå¤ã®èªåºã
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142 | */
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143 | Inline HRTCNT
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144 | target_hrt_get_current(void)
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145 | {
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146 | uint32_t cnt, cnt1;
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147 |
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148 | cnt = sil_rew_mem(OSTM_CNT(OSTM0_BASE));
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149 |
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150 | /* μç§åä½ã«å¤æï¼ã¯ããã¯ã33.33â¦MHzã§ããåæï¼*/
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151 | cnt1 = cnt / 1000000000;
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152 | return((HRTCNT)((cnt - cnt1 * 999999999) * 3 / 100 + cnt1 * 30000000));
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153 | }
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154 |
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155 | /*
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156 | * é«å解è½ã¿ã¤ãã¸ã®å²è¾¼ã¿ã¿ã¤ãã³ã°ã®è¨å®
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157 | *
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158 | * é«å解è½ã¿ã¤ããï¼hrtcntã§æå®ããå¤ã«ã¦ã³ãã¢ãããããå²è¾¼ã¿ãçº
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159 | * çãããããã«è¨å®ããï¼
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160 | */
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161 | extern void target_hrt_set_event(HRTCNT hrtcnt);
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162 |
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163 | /*
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164 | * é«å解è½ã¿ã¤ãå²è¾¼ã¿ã®è¦æ±
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165 | */
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166 | extern void target_hrt_raise_event(void);
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167 |
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168 | /*
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169 | * å²è¾¼ã¿ã¿ã¤ãã³ã°ã«æå®ããæ大å¤
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170 | */
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171 | #define HRTCNT_BOUND 100000002U
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172 |
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173 | /*
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174 | * é«å解è½ã¿ã¤ãå²è¾¼ã¿ãã³ãã©
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175 | */
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176 | extern void target_hrt_handler(void);
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177 |
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178 | #ifdef TOPPERS_SUPPORT_OVRHDR
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179 |
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180 | /*
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181 | * ãªã¼ãã©ã³ã¿ã¤ãã®åæåå¦ç
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182 | */
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183 | extern void target_ovrtimer_initialize(intptr_t exinf);
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184 |
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185 | /*
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186 | * ãªã¼ãã©ã³ã¿ã¤ãã®åæ¢å¦ç
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187 | */
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188 | extern void target_ovrtimer_terminate(intptr_t exinf);
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189 |
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190 | /*
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191 | * ãªã¼ãã©ã³ã¿ã¤ãã®åä½éå§
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192 | */
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193 | Inline void
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194 | target_ovrtimer_start(PRCTIM ovrtim)
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195 | {
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196 | uint32_t cnt = ovrtim * 33 + ovrtim / 3 + 1;
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197 |
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198 | sil_wrw_mem(OSTM_CMP(OSTM1_BASE), cnt);
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199 | sil_wrb_mem(OSTM_TS(OSTM1_BASE), OSTM_TS_START);
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200 | }
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201 |
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202 | /*
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203 | * ãªã¼ãã©ã³ã¿ã¤ãã®åæ¢
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204 | */
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205 | extern PRCTIM target_ovrtimer_stop(void);
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206 |
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207 | /*
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208 | * ãªã¼ãã©ã³ã¿ã¤ãã®ç¾å¨å¤ã®èªåºã
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209 | */
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210 | extern PRCTIM target_ovrtimer_get_current(void);
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211 |
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212 | /*
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213 | * ãªã¼ãã©ã³ã¿ã¤ãå²è¾¼ã¿ãã³ãã©
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214 | */
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215 | extern void target_ovrtimer_handler(void);
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216 |
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217 | #endif /* TOPPERS_SUPPORT_OVRHDR */
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218 | #endif /* TOPPERS_MACRO_ONLY */
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219 | #endif /* TOPPERS_CHIP_TIMER_H */
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