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: mempfix.c 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 | * åºå®é·ã¡ã¢ãªãã¼ã«æ©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 "task.h"
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65 | #include "wait.h"
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66 | #include "mempfix.h"
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67 |
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68 | /*
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69 | * ãã¬ã¼ã¹ãã°ãã¯ãã®ããã©ã«ãå®ç¾©
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70 | */
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71 | #ifndef LOG_ACRE_MPF_ENTER
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72 | #define LOG_ACRE_MPF_ENTER(pk_cmpf)
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73 | #endif /* LOG_ACRE_MPF_ENTER */
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74 |
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75 | #ifndef LOG_ACRE_MPF_LEAVE
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76 | #define LOG_ACRE_MPF_LEAVE(ercd)
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77 | #endif /* LOG_ACRE_MPF_LEAVE */
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78 |
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79 | #ifndef LOG_DEL_MPF_ENTER
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80 | #define LOG_DEL_MPF_ENTER(mpfid)
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81 | #endif /* LOG_DEL_MPF_ENTER */
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82 |
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83 | #ifndef LOG_DEL_MPF_LEAVE
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84 | #define LOG_DEL_MPF_LEAVE(ercd)
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85 | #endif /* LOG_DEL_MPF_LEAVE */
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86 |
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87 | #ifndef LOG_GET_MPF_ENTER
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88 | #define LOG_GET_MPF_ENTER(mpfid, p_blk)
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89 | #endif /* LOG_GET_MPF_ENTER */
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90 |
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91 | #ifndef LOG_GET_MPF_LEAVE
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92 | #define LOG_GET_MPF_LEAVE(ercd, p_blk)
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93 | #endif /* LOG_GET_MPF_LEAVE */
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94 |
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95 | #ifndef LOG_PGET_MPF_ENTER
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96 | #define LOG_PGET_MPF_ENTER(mpfid, p_blk)
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97 | #endif /* LOG_PGET_MPF_ENTER */
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98 |
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99 | #ifndef LOG_PGET_MPF_LEAVE
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100 | #define LOG_PGET_MPF_LEAVE(ercd, p_blk)
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101 | #endif /* LOG_PGET_MPF_LEAVE */
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102 |
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103 | #ifndef LOG_TGET_MPF_ENTER
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104 | #define LOG_TGET_MPF_ENTER(mpfid, p_blk, tmout)
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105 | #endif /* LOG_TGET_MPF_ENTER */
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106 |
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107 | #ifndef LOG_TGET_MPF_LEAVE
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108 | #define LOG_TGET_MPF_LEAVE(ercd, p_blk)
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109 | #endif /* LOG_TGET_MPF_LEAVE */
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110 |
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111 | #ifndef LOG_REL_MPF_ENTER
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112 | #define LOG_REL_MPF_ENTER(mpfid, blk)
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113 | #endif /* LOG_REL_MPF_ENTER */
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114 |
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115 | #ifndef LOG_REL_MPF_LEAVE
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116 | #define LOG_REL_MPF_LEAVE(ercd)
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117 | #endif /* LOG_REL_MPF_LEAVE */
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118 |
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119 | #ifndef LOG_INI_MPF_ENTER
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120 | #define LOG_INI_MPF_ENTER(mpfid)
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121 | #endif /* LOG_INI_MPF_ENTER */
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122 |
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123 | #ifndef LOG_INI_MPF_LEAVE
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124 | #define LOG_INI_MPF_LEAVE(ercd)
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125 | #endif /* LOG_INI_MPF_LEAVE */
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126 |
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127 | #ifndef LOG_REF_MPF_ENTER
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128 | #define LOG_REF_MPF_ENTER(mpfid, pk_rmpf)
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129 | #endif /* LOG_REF_MPF_ENTER */
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130 |
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131 | #ifndef LOG_REF_MPF_LEAVE
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132 | #define LOG_REF_MPF_LEAVE(ercd, pk_rmpf)
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133 | #endif /* LOG_REF_MPF_LEAVE */
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134 |
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135 | /*
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136 | * åºå®é·ã¡ã¢ãªãã¼ã«ã®æ°
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137 | */
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138 | #define tnum_mpf ((uint_t)(tmax_mpfid - TMIN_MPFID + 1))
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139 | #define tnum_smpf ((uint_t)(tmax_smpfid - TMIN_MPFID + 1))
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140 |
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141 | /*
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142 | * åºå®é·ã¡ã¢ãªãã¼ã«IDããåºå®é·ã¡ã¢ãªãã¼ã«ç®¡çãããã¯ãåãåºãã
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143 | * ãã®ãã¯ã
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144 | */
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145 | #define INDEX_MPF(mpfid) ((uint_t)((mpfid) - TMIN_MPFID))
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146 | #define get_mpfcb(mpfid) (&(mpfcb_table[INDEX_MPF(mpfid)]))
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147 |
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148 | /*
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149 | * ç¹æ®ãªã¤ã³ããã¯ã¹å¤ã®å®ç¾©
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150 | */
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151 | #define INDEX_NULL (~0U) /* 空ããããã¯ãªã¹ãã®æå¾ */
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152 | #define INDEX_ALLOC (~1U) /* å²å½ã¦æ¸ã¿ã®ããã㯠*/
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153 |
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154 | #ifdef TOPPERS_mpfini
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155 |
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156 | /*
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157 | * 使ç¨ãã¦ããªãåºå®é·ã¡ã¢ãªãã¼ã«ç®¡çãããã¯ã®ãªã¹ã
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158 | */
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159 | QUEUE free_mpfcb;
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160 |
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161 | /*
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162 | * åºå®é·ã¡ã¢ãªãã¼ã«æ©è½ã®åæå
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163 | */
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164 | void
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165 | initialize_mempfix(void)
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166 | {
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167 | uint_t i, j;
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168 | MPFCB *p_mpfcb;
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169 | MPFINIB *p_mpfinib;
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170 |
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171 | for (i = 0; i < tnum_smpf; i++) {
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172 | p_mpfcb = &(mpfcb_table[i]);
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173 | queue_initialize(&(p_mpfcb->wait_queue));
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174 | p_mpfcb->p_mpfinib = &(mpfinib_table[i]);
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175 | p_mpfcb->fblkcnt = p_mpfcb->p_mpfinib->blkcnt;
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176 | p_mpfcb->unused = 0U;
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177 | p_mpfcb->freelist = INDEX_NULL;
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178 | }
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179 | queue_initialize(&free_mpfcb);
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180 | for (j = 0; i < tnum_mpf; i++, j++) {
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181 | p_mpfcb = &(mpfcb_table[i]);
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182 | p_mpfinib = &(ampfinib_table[j]);
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183 | p_mpfinib->mpfatr = TA_NOEXS;
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184 | p_mpfcb->p_mpfinib = ((const MPFINIB *) p_mpfinib);
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185 | queue_insert_prev(&free_mpfcb, &(p_mpfcb->wait_queue));
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186 | }
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187 | }
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188 |
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189 | #endif /* TOPPERS_mpfini */
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190 |
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191 | /*
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192 | * åºå®é·ã¡ã¢ãªãã¼ã«ãããããã¯ãç²å¾
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193 | */
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194 | #ifdef TOPPERS_mpfget
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195 |
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196 | void
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197 | get_mpf_block(MPFCB *p_mpfcb, void **p_blk)
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198 | {
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199 | uint_t blkidx;
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200 |
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201 | if (p_mpfcb->freelist != INDEX_NULL) {
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202 | blkidx = p_mpfcb->freelist;
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203 | p_mpfcb->freelist = (p_mpfcb->p_mpfinib->p_mpfmb + blkidx)->next;
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204 | }
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205 | else {
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206 | blkidx = p_mpfcb->unused;
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207 | p_mpfcb->unused++;
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208 | }
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209 | *p_blk = (void *)((char *)(p_mpfcb->p_mpfinib->mpf)
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210 | + p_mpfcb->p_mpfinib->blksz * blkidx);
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211 | p_mpfcb->fblkcnt--;
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212 | (p_mpfcb->p_mpfinib->p_mpfmb + blkidx)->next = INDEX_ALLOC;
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213 | }
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214 |
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215 | #endif /* TOPPERS_mpfget */
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216 |
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217 | /*
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218 | * åºå®é·ã¡ã¢ãªãã¼ã«ã®çæ
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219 | */
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220 | #ifdef TOPPERS_acre_mpf
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221 |
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222 | ER_UINT
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223 | acre_mpf(const T_CMPF *pk_cmpf)
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224 | {
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225 | MPFCB *p_mpfcb;
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226 | MPFINIB *p_mpfinib;
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227 | ATR mpfatr;
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228 | uint_t blkcnt;
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229 | uint_t blksz;
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230 | MPF_T *mpf;
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231 | MPFMB *p_mpfmb;
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232 | ER ercd;
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233 |
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234 | LOG_ACRE_MPF_ENTER(pk_cmpf);
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235 | CHECK_TSKCTX_UNL();
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236 |
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237 | mpfatr = pk_cmpf->mpfatr;
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238 | blkcnt = pk_cmpf->blkcnt;
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239 | blksz = pk_cmpf->blksz;
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240 | mpf = pk_cmpf->mpf;
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241 | p_mpfmb = pk_cmpf->mpfmb;
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242 |
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243 | CHECK_RSATR(mpfatr, TA_TPRI);
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244 | CHECK_PAR(blkcnt != 0);
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245 | CHECK_PAR(blksz != 0);
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246 | if (mpf != NULL) {
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247 | CHECK_PAR(MPF_ALIGN(mpf));
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248 | }
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249 | if (p_mpfmb != NULL) {
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250 | CHECK_PAR(MB_ALIGN(p_mpfmb));
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251 | }
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252 |
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253 | lock_cpu();
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254 | if (tnum_mpf == 0 || queue_empty(&free_mpfcb)) {
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255 | ercd = E_NOID;
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256 | }
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257 | else {
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258 | if (mpf == NULL) {
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259 | mpf = kernel_malloc(ROUND_MPF_T(blksz) * blkcnt);
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260 | mpfatr |= TA_MEMALLOC;
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261 | }
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262 | if (mpf == NULL) {
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263 | ercd = E_NOMEM;
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264 | }
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265 | else {
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266 | if (p_mpfmb == NULL) {
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267 | p_mpfmb = kernel_malloc(sizeof(MPFMB) * blkcnt);
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268 | mpfatr |= TA_MBALLOC;
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269 | }
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270 | if (p_mpfmb == NULL) {
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271 | if (mpf == NULL) {
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272 | kernel_free(mpf);
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273 | }
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274 | ercd = E_NOMEM;
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275 | }
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276 | else {
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277 | p_mpfcb = ((MPFCB *) queue_delete_next(&free_mpfcb));
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278 | p_mpfinib = (MPFINIB *)(p_mpfcb->p_mpfinib);
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279 | p_mpfinib->mpfatr = mpfatr;
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280 | p_mpfinib->blkcnt = blkcnt;
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281 | p_mpfinib->blksz = ROUND_MPF_T(blksz);
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282 | p_mpfinib->mpf = mpf;
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283 | p_mpfinib->p_mpfmb = p_mpfmb;
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284 |
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285 | queue_initialize(&(p_mpfcb->wait_queue));
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286 | p_mpfcb->fblkcnt = p_mpfcb->p_mpfinib->blkcnt;
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287 | p_mpfcb->unused = 0U;
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288 | p_mpfcb->freelist = INDEX_NULL;
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289 | ercd = MPFID(p_mpfcb);
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290 | }
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291 | }
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292 | }
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293 | unlock_cpu();
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294 |
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295 | error_exit:
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296 | LOG_ACRE_MPF_LEAVE(ercd);
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297 | return(ercd);
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298 | }
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299 |
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300 | #endif /* TOPPERS_acre_mpf */
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301 |
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302 | /*
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303 | * åºå®é·ã¡ã¢ãªãã¼ã«ã®åé¤
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304 | */
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305 | #ifdef TOPPERS_del_mpf
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306 |
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307 | ER
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308 | del_mpf(ID mpfid)
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309 | {
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310 | MPFCB *p_mpfcb;
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311 | MPFINIB *p_mpfinib;
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312 | ER ercd;
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313 |
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314 | LOG_DEL_MPF_ENTER(mpfid);
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315 | CHECK_TSKCTX_UNL();
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316 | CHECK_ID(VALID_MPFID(mpfid));
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317 | p_mpfcb = get_mpfcb(mpfid);
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318 |
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319 | lock_cpu();
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320 | if (p_mpfcb->p_mpfinib->mpfatr == TA_NOEXS) {
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321 | ercd = E_NOEXS;
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322 | }
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323 | else if (mpfid <= tmax_smpfid) {
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324 | ercd = E_OBJ;
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325 | }
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326 | else {
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327 | init_wait_queue(&(p_mpfcb->wait_queue));
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328 | p_mpfinib = (MPFINIB *)(p_mpfcb->p_mpfinib);
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329 | if ((p_mpfinib->mpfatr & TA_MEMALLOC) != 0U) {
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330 | kernel_free(p_mpfinib->mpf);
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331 | }
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332 | if ((p_mpfinib->mpfatr & TA_MBALLOC) != 0U) {
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333 | kernel_free(p_mpfinib->p_mpfmb);
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334 | }
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335 | p_mpfinib->mpfatr = TA_NOEXS;
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336 | queue_insert_prev(&free_mpfcb, &(p_mpfcb->wait_queue));
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337 | if (p_runtsk != p_schedtsk) {
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338 | dispatch();
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339 | }
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340 | ercd = E_OK;
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341 | }
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342 | unlock_cpu();
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343 |
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344 | error_exit:
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345 | LOG_DEL_MPF_LEAVE(ercd);
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346 | return(ercd);
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347 | }
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348 |
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349 | #endif /* TOPPERS_del_mpf */
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350 |
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351 | /*
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352 | * åºå®é·ã¡ã¢ãªãããã¯ã®ç²å¾
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353 | */
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354 | #ifdef TOPPERS_get_mpf
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355 |
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356 | ER
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357 | get_mpf(ID mpfid, void **p_blk)
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358 | {
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359 | MPFCB *p_mpfcb;
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360 | WINFO_MPF winfo_mpf;
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361 | ER ercd;
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362 |
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363 | LOG_GET_MPF_ENTER(mpfid, p_blk);
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364 | CHECK_DISPATCH();
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365 | CHECK_ID(VALID_MPFID(mpfid));
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366 | p_mpfcb = get_mpfcb(mpfid);
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367 |
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368 | lock_cpu_dsp();
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369 | if (p_mpfcb->p_mpfinib->mpfatr == TA_NOEXS) {
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370 | ercd = E_NOEXS;
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371 | }
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372 | else if (p_runtsk->raster) {
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373 | ercd = E_RASTER;
|
---|
374 | }
|
---|
375 | else if (p_mpfcb->fblkcnt > 0) {
|
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376 | get_mpf_block(p_mpfcb, p_blk);
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---|
377 | ercd = E_OK;
|
---|
378 | }
|
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379 | else {
|
---|
380 | p_runtsk->tstat = TS_WAITING_MPF;
|
---|
381 | wobj_make_wait((WOBJCB *) p_mpfcb, (WINFO_WOBJ *) &winfo_mpf);
|
---|
382 | dispatch();
|
---|
383 | ercd = winfo_mpf.winfo.wercd;
|
---|
384 | if (ercd == E_OK) {
|
---|
385 | *p_blk = winfo_mpf.blk;
|
---|
386 | }
|
---|
387 | }
|
---|
388 | unlock_cpu_dsp();
|
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389 |
|
---|
390 | error_exit:
|
---|
391 | LOG_GET_MPF_LEAVE(ercd, p_blk);
|
---|
392 | return(ercd);
|
---|
393 | }
|
---|
394 |
|
---|
395 | #endif /* TOPPERS_get_mpf */
|
---|
396 |
|
---|
397 | /*
|
---|
398 | * åºå®é·ã¡ã¢ãªãããã¯ã®ç²å¾ï¼ãã¼ãªã³ã°ï¼
|
---|
399 | */
|
---|
400 | #ifdef TOPPERS_pget_mpf
|
---|
401 |
|
---|
402 | ER
|
---|
403 | pget_mpf(ID mpfid, void **p_blk)
|
---|
404 | {
|
---|
405 | MPFCB *p_mpfcb;
|
---|
406 | ER ercd;
|
---|
407 |
|
---|
408 | LOG_PGET_MPF_ENTER(mpfid, p_blk);
|
---|
409 | CHECK_TSKCTX_UNL();
|
---|
410 | CHECK_ID(VALID_MPFID(mpfid));
|
---|
411 | p_mpfcb = get_mpfcb(mpfid);
|
---|
412 |
|
---|
413 | lock_cpu();
|
---|
414 | if (p_mpfcb->p_mpfinib->mpfatr == TA_NOEXS) {
|
---|
415 | ercd = E_NOEXS;
|
---|
416 | }
|
---|
417 | else if (p_mpfcb->fblkcnt > 0) {
|
---|
418 | get_mpf_block(p_mpfcb, p_blk);
|
---|
419 | ercd = E_OK;
|
---|
420 | }
|
---|
421 | else {
|
---|
422 | ercd = E_TMOUT;
|
---|
423 | }
|
---|
424 | unlock_cpu();
|
---|
425 |
|
---|
426 | error_exit:
|
---|
427 | LOG_PGET_MPF_LEAVE(ercd, p_blk);
|
---|
428 | return(ercd);
|
---|
429 | }
|
---|
430 |
|
---|
431 | #endif /* TOPPERS_pget_mpf */
|
---|
432 |
|
---|
433 | /*
|
---|
434 | * åºå®é·ã¡ã¢ãªãããã¯ã®ç²å¾ï¼ã¿ã¤ã ã¢ã¦ãããï¼
|
---|
435 | */
|
---|
436 | #ifdef TOPPERS_tget_mpf
|
---|
437 |
|
---|
438 | ER
|
---|
439 | tget_mpf(ID mpfid, void **p_blk, TMO tmout)
|
---|
440 | {
|
---|
441 | MPFCB *p_mpfcb;
|
---|
442 | WINFO_MPF winfo_mpf;
|
---|
443 | TMEVTB tmevtb;
|
---|
444 | ER ercd;
|
---|
445 |
|
---|
446 | LOG_TGET_MPF_ENTER(mpfid, p_blk, tmout);
|
---|
447 | CHECK_DISPATCH();
|
---|
448 | CHECK_ID(VALID_MPFID(mpfid));
|
---|
449 | CHECK_PAR(VALID_TMOUT(tmout));
|
---|
450 | p_mpfcb = get_mpfcb(mpfid);
|
---|
451 |
|
---|
452 | lock_cpu_dsp();
|
---|
453 | if (p_mpfcb->p_mpfinib->mpfatr == TA_NOEXS) {
|
---|
454 | ercd = E_NOEXS;
|
---|
455 | }
|
---|
456 | else if (p_runtsk->raster) {
|
---|
457 | ercd = E_RASTER;
|
---|
458 | }
|
---|
459 | else if (p_mpfcb->fblkcnt > 0) {
|
---|
460 | get_mpf_block(p_mpfcb, p_blk);
|
---|
461 | ercd = E_OK;
|
---|
462 | }
|
---|
463 | else if (tmout == TMO_POL) {
|
---|
464 | ercd = E_TMOUT;
|
---|
465 | }
|
---|
466 | else {
|
---|
467 | p_runtsk->tstat = TS_WAITING_MPF;
|
---|
468 | wobj_make_wait_tmout((WOBJCB *) p_mpfcb, (WINFO_WOBJ *) &winfo_mpf,
|
---|
469 | &tmevtb, tmout);
|
---|
470 | dispatch();
|
---|
471 | ercd = winfo_mpf.winfo.wercd;
|
---|
472 | if (ercd == E_OK) {
|
---|
473 | *p_blk = winfo_mpf.blk;
|
---|
474 | }
|
---|
475 | }
|
---|
476 | unlock_cpu_dsp();
|
---|
477 |
|
---|
478 | error_exit:
|
---|
479 | LOG_TGET_MPF_LEAVE(ercd, p_blk);
|
---|
480 | return(ercd);
|
---|
481 | }
|
---|
482 |
|
---|
483 | #endif /* TOPPERS_tget_mpf */
|
---|
484 |
|
---|
485 | /*
|
---|
486 | * åºå®é·ã¡ã¢ãªãããã¯ã®è¿å´
|
---|
487 | */
|
---|
488 | #ifdef TOPPERS_rel_mpf
|
---|
489 |
|
---|
490 | ER
|
---|
491 | rel_mpf(ID mpfid, void *blk)
|
---|
492 | {
|
---|
493 | MPFCB *p_mpfcb;
|
---|
494 | size_t blkoffset;
|
---|
495 | uint_t blkidx;
|
---|
496 | TCB *p_tcb;
|
---|
497 | ER ercd;
|
---|
498 |
|
---|
499 | LOG_REL_MPF_ENTER(mpfid, blk);
|
---|
500 | CHECK_TSKCTX_UNL();
|
---|
501 | CHECK_ID(VALID_MPFID(mpfid));
|
---|
502 | p_mpfcb = get_mpfcb(mpfid);
|
---|
503 |
|
---|
504 | lock_cpu();
|
---|
505 | if (p_mpfcb->p_mpfinib->mpfatr == TA_NOEXS) {
|
---|
506 | ercd = E_NOEXS;
|
---|
507 | }
|
---|
508 | else {
|
---|
509 | blkoffset = ((char *) blk) - (char *)(p_mpfcb->p_mpfinib->mpf);
|
---|
510 | blkidx = (uint_t)(blkoffset / p_mpfcb->p_mpfinib->blksz);
|
---|
511 | if (!(p_mpfcb->p_mpfinib->mpf <= blk)
|
---|
512 | || !(blkoffset % p_mpfcb->p_mpfinib->blksz == 0U)
|
---|
513 | || !(blkoffset / p_mpfcb->p_mpfinib->blksz < p_mpfcb->unused)
|
---|
514 | || !((p_mpfcb->p_mpfinib->p_mpfmb + blkidx)->next
|
---|
515 | == INDEX_ALLOC)) {
|
---|
516 | ercd = E_PAR;
|
---|
517 | }
|
---|
518 | else if (!queue_empty(&(p_mpfcb->wait_queue))) {
|
---|
519 | p_tcb = (TCB *) queue_delete_next(&(p_mpfcb->wait_queue));
|
---|
520 | ((WINFO_MPF *)(p_tcb->p_winfo))->blk = blk;
|
---|
521 | wait_complete(p_tcb);
|
---|
522 | if (p_runtsk != p_schedtsk) {
|
---|
523 | dispatch();
|
---|
524 | }
|
---|
525 | ercd = E_OK;
|
---|
526 | }
|
---|
527 | else {
|
---|
528 | p_mpfcb->fblkcnt++;
|
---|
529 | (p_mpfcb->p_mpfinib->p_mpfmb + blkidx)->next = p_mpfcb->freelist;
|
---|
530 | p_mpfcb->freelist = blkidx;
|
---|
531 | ercd = E_OK;
|
---|
532 | }
|
---|
533 | }
|
---|
534 | unlock_cpu();
|
---|
535 |
|
---|
536 | error_exit:
|
---|
537 | LOG_REL_MPF_LEAVE(ercd);
|
---|
538 | return(ercd);
|
---|
539 | }
|
---|
540 |
|
---|
541 | #endif /* TOPPERS_rel_mpf */
|
---|
542 |
|
---|
543 | /*
|
---|
544 | * åºå®é·ã¡ã¢ãªãã¼ã«ã®ååæå
|
---|
545 | */
|
---|
546 | #ifdef TOPPERS_ini_mpf
|
---|
547 |
|
---|
548 | ER
|
---|
549 | ini_mpf(ID mpfid)
|
---|
550 | {
|
---|
551 | MPFCB *p_mpfcb;
|
---|
552 | ER ercd;
|
---|
553 |
|
---|
554 | LOG_INI_MPF_ENTER(mpfid);
|
---|
555 | CHECK_TSKCTX_UNL();
|
---|
556 | CHECK_ID(VALID_MPFID(mpfid));
|
---|
557 | p_mpfcb = get_mpfcb(mpfid);
|
---|
558 |
|
---|
559 | lock_cpu();
|
---|
560 | if (p_mpfcb->p_mpfinib->mpfatr == TA_NOEXS) {
|
---|
561 | ercd = E_NOEXS;
|
---|
562 | }
|
---|
563 | else {
|
---|
564 | init_wait_queue(&(p_mpfcb->wait_queue));
|
---|
565 | p_mpfcb->fblkcnt = p_mpfcb->p_mpfinib->blkcnt;
|
---|
566 | p_mpfcb->unused = 0U;
|
---|
567 | p_mpfcb->freelist = INDEX_NULL;
|
---|
568 | if (p_runtsk != p_schedtsk) {
|
---|
569 | dispatch();
|
---|
570 | }
|
---|
571 | ercd = E_OK;
|
---|
572 | }
|
---|
573 | unlock_cpu();
|
---|
574 |
|
---|
575 | error_exit:
|
---|
576 | LOG_INI_MPF_LEAVE(ercd);
|
---|
577 | return(ercd);
|
---|
578 | }
|
---|
579 |
|
---|
580 | #endif /* TOPPERS_ini_mpf */
|
---|
581 |
|
---|
582 | /*
|
---|
583 | * åºå®é·ã¡ã¢ãªãã¼ã«ã®ç¶æ
|
---|
584 | åç
|
---|
585 | §
|
---|
586 | */
|
---|
587 | #ifdef TOPPERS_ref_mpf
|
---|
588 |
|
---|
589 | ER
|
---|
590 | ref_mpf(ID mpfid, T_RMPF *pk_rmpf)
|
---|
591 | {
|
---|
592 | MPFCB *p_mpfcb;
|
---|
593 | ER ercd;
|
---|
594 |
|
---|
595 | LOG_REF_MPF_ENTER(mpfid, pk_rmpf);
|
---|
596 | CHECK_TSKCTX_UNL();
|
---|
597 | CHECK_ID(VALID_MPFID(mpfid));
|
---|
598 | p_mpfcb = get_mpfcb(mpfid);
|
---|
599 |
|
---|
600 | lock_cpu();
|
---|
601 | if (p_mpfcb->p_mpfinib->mpfatr == TA_NOEXS) {
|
---|
602 | ercd = E_NOEXS;
|
---|
603 | }
|
---|
604 | else {
|
---|
605 | pk_rmpf->wtskid = wait_tskid(&(p_mpfcb->wait_queue));
|
---|
606 | pk_rmpf->fblkcnt = p_mpfcb->fblkcnt;
|
---|
607 | ercd = E_OK;
|
---|
608 | }
|
---|
609 | unlock_cpu();
|
---|
610 |
|
---|
611 | error_exit:
|
---|
612 | LOG_REF_MPF_LEAVE(ercd, pk_rmpf);
|
---|
613 | return(ercd);
|
---|
614 | }
|
---|
615 |
|
---|
616 | #endif /* TOPPERS_ref_mpf */
|
---|