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) 2005-2010 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)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: time_manage.c 1747 2010-02-11 18:24:19Z ertl-hiro $
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56 | */
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57 |
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58 | /*
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59 | * ã·ã¹ãã æå»ç®¡çæ©è½
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60 | */
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61 |
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62 | #include "kernel_impl.h"
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63 | #include "check.h"
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64 | #include "time_event.h"
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65 |
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66 | /*
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67 | * ãã¬ã¼ã¹ãã°ãã¯ãã®ããã©ã«ãå®ç¾©
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68 | */
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69 | #ifndef LOG_GET_TIM_ENTER
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70 | #define LOG_GET_TIM_ENTER(p_systim)
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71 | #endif /* LOG_GET_TIM_ENTER */
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72 |
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73 | #ifndef LOG_GET_TIM_LEAVE
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74 | #define LOG_GET_TIM_LEAVE(ercd, systim)
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75 | #endif /* LOG_GET_TIM_LEAVE */
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76 |
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77 | #ifndef LOG_GET_UTM_ENTER
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78 | #define LOG_GET_UTM_ENTER(p_sysutm)
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79 | #endif /* LOG_GET_UTM_ENTER */
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80 |
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81 | #ifndef LOG_GET_UTM_LEAVE
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82 | #define LOG_GET_UTM_LEAVE(ercd, sysutm)
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83 | #endif /* LOG_GET_UTM_LEAVE */
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84 |
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85 | /*
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86 | * ã·ã¹ãã æå»ã®åç
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87 | §
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88 | */
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89 | #ifdef TOPPERS_get_tim
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90 |
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91 | ER
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92 | get_tim(SYSTIM *p_systim)
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93 | {
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94 | ER ercd;
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95 |
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96 | LOG_GET_TIM_ENTER(p_systim);
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97 | CHECK_TSKCTX_UNL();
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98 |
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99 | t_lock_cpu();
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100 | *p_systim = current_time;
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101 | ercd = E_OK;
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102 | t_unlock_cpu();
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103 |
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104 | error_exit:
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105 | LOG_GET_TIM_LEAVE(ercd, *p_systim);
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106 | return(ercd);
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107 | }
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108 |
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109 | #endif /* TOPPERS_get_tim */
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110 |
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111 | /*
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112 | * æ§è½è©ä¾¡ç¨ã·ã¹ãã æå»ã®åç
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113 | §
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114 | */
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115 | #ifdef TOPPERS_get_utm
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116 | #ifdef TOPPERS_SUPPORT_GET_UTM
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117 | #ifndef OMIT_GET_UTM
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118 | #include "target_timer.h"
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119 |
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120 | ER
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121 | get_utm(SYSUTM *p_sysutm)
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122 | {
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123 | SYSUTM utime;
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124 | SYSTIM time;
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125 | #if TIC_DENO != 1
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126 | uint_t subtime;
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127 | #endif /* TIC_DENO != 1 */
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128 | CLOCK clock1, clock2;
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129 | bool_t ireq;
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130 | SIL_PRE_LOC;
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131 |
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132 | LOG_GET_UTM_ENTER(p_sysutm);
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133 |
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134 | SIL_LOC_INT();
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135 | time = next_time;
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136 | #if TIC_DENO != 1
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137 | subtime = next_subtime;
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138 | #endif /* TIC_DENO != 1 */
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139 | clock1 = target_timer_get_current();
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140 | ireq = target_timer_probe_int();
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141 | clock2 = target_timer_get_current();
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142 | SIL_UNL_INT();
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143 |
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144 | utime = ((SYSUTM) time) * 1000U;
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145 | #if TIC_DENO != 1
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146 | utime += subtime * 1000U / TIC_DENO;
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147 | #endif /* TIC_DENO != 1 */
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148 |
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149 | if (!ireq || clock1 > clock2) {
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150 | utime -= TIC_NUME * 1000U / TIC_DENO;
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151 | }
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152 | utime += TO_USEC(clock1);
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153 | *p_sysutm = utime;
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154 |
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155 | LOG_GET_UTM_LEAVE(E_OK, *p_sysutm);
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156 | return(E_OK);
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157 | }
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158 |
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159 | #endif /* OMIT_GET_UTM */
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160 | #endif /* TOPPERS_SUPPORT_GET_UTM */
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161 | #endif /* TOPPERS_get_utm */
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