[136] | 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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