1 | /*
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2 | * TOPPERS ATK2
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3 | * Toyohashi Open Platform for Embedded Real-Time Systems
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4 | * Automotive Kernel Version 2
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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) 2004-2015 by Center for Embedded Computing Systems
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9 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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10 | * Copyright (C) 2011-2015 by FUJI SOFT INCORPORATED, JAPAN
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11 | * Copyright (C) 2011-2013 by Spansion LLC, USA
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12 | * Copyright (C) 2011-2015 by NEC Communication Systems, Ltd., JAPAN
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13 | * Copyright (C) 2011-2015 by Panasonic Advanced Technology Development Co., Ltd., JAPAN
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14 | * Copyright (C) 2011-2014 by Renesas Electronics Corporation, JAPAN
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15 | * Copyright (C) 2011-2015 by Sunny Giken Inc., JAPAN
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16 | * Copyright (C) 2011-2015 by TOSHIBA CORPORATION, JAPAN
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17 | * Copyright (C) 2011-2015 by Witz Corporation
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18 | * Copyright (C) 2014-2015 by AISIN COMCRUISE Co., Ltd., JAPAN
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19 | * Copyright (C) 2014-2015 by eSOL Co.,Ltd., JAPAN
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20 | * Copyright (C) 2014-2015 by SCSK Corporation, JAPAN
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21 | * Copyright (C) 2015 by SUZUKI MOTOR CORPORATION
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22 | *
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23 | * ä¸è¨èä½æ¨©è
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24 | ã¯ï¼ä»¥ä¸ã®(1)ã(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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25 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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26 | * å¤ã»åé
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27 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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28 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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29 | * 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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30 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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31 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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32 | * ç¨ã§ããå½¢ã§åé
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33 | å¸ããå ´åã«ã¯ï¼åé
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34 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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35 | * è
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36 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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37 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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38 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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39 | * ç¨ã§ããªãå½¢ã§åé
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40 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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41 | * ã¨ï¼
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42 | * (a) åé
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43 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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44 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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45 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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46 | * (b) åé
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47 | å¸ã®å½¢æ
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48 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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49 | * å ±åãããã¨ï¼
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50 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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51 | * 害ãããï¼ä¸è¨èä½æ¨©è
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52 | ããã³TOPPERSããã¸ã§ã¯ããå
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53 | 責ãããã¨ï¼
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54 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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55 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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56 | ããã³TOPPERSããã¸ã§ã¯ãã
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57 | * å
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58 | 責ãããã¨ï¼
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59 | *
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60 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼AUTOSARï¼AUTomotive Open System ARchitectureï¼ä»
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61 | * æ§ã«åºã¥ãã¦ããï¼ä¸è¨ã®è¨±è«¾ã¯ï¼AUTOSARã®ç¥ç財ç£æ¨©ã許諾ãããã®ã§
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62 | * ã¯ãªãï¼AUTOSARã¯ï¼AUTOSARä»æ§ã«åºã¥ããã½ããã¦ã§ã¢ãåç¨ç®çã§å©
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63 | * ç¨ããè
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64 | ã«å¯¾ãã¦ï¼AUTOSARãã¼ããã¼ã«ãªããã¨ãæ±ãã¦ããï¼
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65 | *
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66 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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67 | ã
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68 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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69 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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70 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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71 | * ã®è²¬ä»»ãè² ããªãï¼
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72 | *
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73 | * $Id: memory.c 425 2015-12-07 08:06:19Z witz-itoyo $
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74 | */
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75 |
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76 | #include "kernel_impl.h"
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77 | #include "check.h"
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78 | #include "task.h"
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79 | #include "interrupt.h"
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80 | #include "memory.h"
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81 |
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82 | /*
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83 | * ã¡ã¢ãªãªãã¸ã§ã¯ã管çã¢ã¸ã¥ã¼ã«
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84 | */
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85 |
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86 | /*
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87 | * ãã¬ã¼ã¹ãã¯ãã®ããã©ã«ãå®ç¾©
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88 | */
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89 |
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90 | #ifndef LOG_CHKISRMEMACS_ENTER
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91 | #define LOG_CHKISRMEMACS_ENTER(ISRID, Address, Size)
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92 | #endif /* LOG_CHKISRMEMACS_ENTER */
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93 |
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94 | #ifndef LOG_CHKISRMEMACS_LEAVE
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95 | #define LOG_CHKISRMEMACS_LEAVE(ercd)
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96 | #endif /* LOG_CHKISRMEMACS_LEAVE */
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97 |
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98 | #ifndef LOG_CHKTSKMEMACS_ENTER
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99 | #define LOG_CHKTSKMEMACS_ENTER(TaskID, Address, Size)
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100 | #endif /* LOG_CHKTSKMEMACS_ENTER */
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101 |
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102 | #ifndef LOG_CHKTSKMEMACS_LEAVE
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103 | #define LOG_CHKTSKMEMACS_LEAVE(ercd)
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104 | #endif /* LOG_CHKTSKMEMACS_LEAVE */
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105 |
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106 |
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107 | /*
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108 | * å
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109 | é¨é¢æ°ã®ãããã¿ã¤ã宣è¨
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110 | */
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111 | #ifndef USE_TSKINICTXB
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112 |
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113 | LOCAL_INLINE AccessType check_address_sstack(const MemoryStartAddressType base, MemorySizeType size, const TINIB *p_tinib);
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114 | LOCAL_INLINE AccessType check_address_ustack(const MemoryStartAddressType base, MemorySizeType size, const TINIB *p_tinib);
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115 |
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116 | #endif /* USE_TSKINICTXB */
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117 |
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118 | /*
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119 | * ã¿ã¹ã¯ã¡ã¢ãªã¢ã¯ã»ã¹ãã§ãã¯ã·ã¹ãã ãµã¼ãã¹
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120 | * æå®ããã ã¿ã¹ã¯ ã® æå®ãããã¡ã¢ãªé åã®ã¢ã¯ã»ã¹æ¨©ããã§ãã¯ãã
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121 | */
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122 | #ifdef TOPPERS_CheckTaskMemoryAccess
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123 |
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124 | AccessType
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125 | CheckTaskMemoryAccess(TaskType TaskID, MemoryStartAddressType Address, MemorySizeType Size)
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126 | {
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127 | AccessType access;
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128 | StatusType ercd;
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129 | TCB *p_tcb;
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130 | boolean over_region;
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131 |
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132 | LOG_CHKTSKMEMACS_ENTER(TaskID, Address, Size);
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133 |
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134 | CHECK_DISABLEDINT();
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135 | CHECK_CALLEVEL(CALLEVEL_CHECKTASKMEMORYACCESS);
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136 | CHECK_ID(TaskID < tnum_task);
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137 | CHECK_VALUE(Size > 0U);
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138 |
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139 | p_tcb = get_tcb(TaskID);
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140 |
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141 | access = check_task_memory(p_tcb, Address, Size, &over_region);
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142 | CHECK_ILLEGAL_ADDRESS(over_region == FALSE);
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143 |
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144 | exit_finish:
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145 | LOG_CHKTSKMEMACS_LEAVE(access);
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146 | return(access);
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147 |
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148 | #ifdef CFG_USE_ERRORHOOK
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149 | exit_errorhook:
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150 | x_nested_lock_os_int();
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151 | #ifdef CFG_USE_PARAMETERACCESS
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152 | _errorhook_par1.tskid = TaskID;
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153 | _errorhook_par2.adr = Address;
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154 | _errorhook_par3.sz = Size;
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155 | #endif /* CFG_USE_PARAMETERACCESS */
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156 | call_errorhook(ercd, OSServiceId_CheckTaskMemoryAccess);
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157 | x_nested_unlock_os_int();
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158 | #endif /* CFG_USE_ERRORHOOK */
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159 |
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160 | exit_no_errorhook:
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161 | access = AP_NoAccess;
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162 | goto exit_finish;
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163 | }
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164 |
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165 | #endif /* TOPPERS_CheckTaskMemoryAccess */
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166 |
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167 | /*
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168 | * ISRã¡ã¢ãªã¢ã¯ã»ã¹ãã§ãã¯ã·ã¹ãã ãµã¼ãã¹
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169 | * æå®ããã ISR ã® æå®ãããã¡ã¢ãªé åã®ã¢ã¯ã»ã¹æ¨©ããã§ãã¯ãã
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170 | */
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171 | #ifdef TOPPERS_CheckISRMemoryAccess
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172 |
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173 | AccessType
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174 | CheckISRMemoryAccess(ISRType ISRID, MemoryStartAddressType Address, MemorySizeType Size)
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175 | {
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176 | AccessType access;
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177 | StatusType ercd;
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178 | ISRCB *p_isrcb;
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179 | boolean over_region;
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180 |
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181 | LOG_CHKISRMEMACS_ENTER(ISRID, Address, Size);
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182 |
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183 | CHECK_DISABLEDINT();
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184 | CHECK_CALLEVEL(CALLEVEL_CHECKISRMEMORYACCESS);
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185 | CHECK_ID(ISRID < tnum_isr2);
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186 | CHECK_VALUE(Size > 0U);
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187 |
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188 | p_isrcb = get_isrcb(ISRID);
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189 |
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190 | access = check_isr_memory(p_isrcb, Address, Size, &over_region);
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191 | CHECK_ILLEGAL_ADDRESS(over_region == FALSE);
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192 |
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193 | exit_finish:
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194 | LOG_CHKISRMEMACS_LEAVE(access);
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195 | return(access);
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196 |
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197 | #ifdef CFG_USE_ERRORHOOK
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198 | exit_errorhook:
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199 | x_nested_lock_os_int();
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200 | #ifdef CFG_USE_PARAMETERACCESS
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201 | _errorhook_par1.isrid = ISRID;
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202 | _errorhook_par2.adr = Address;
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203 | _errorhook_par3.sz = Size;
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204 | #endif /* CFG_USE_PARAMETERACCESS */
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205 | call_errorhook(ercd, OSServiceId_CheckISRMemoryAccess);
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206 | x_nested_unlock_os_int();
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207 | #endif /* CFG_USE_ERRORHOOK */
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208 |
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209 | exit_no_errorhook:
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210 | access = AP_NoAccess;
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211 | goto exit_finish;
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212 | }
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213 |
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214 | #endif /* TOPPERS_CheckISRMemoryAccess */
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215 |
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216 | /*
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217 | * ã¡ã¢ãªã¢ã¯ã»ã¹ãã§ãã¯é¢æ°
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218 | */
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219 |
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220 | /*
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221 | * ã¹ã¿ãã¯ã¢ã¯ã»ã¹ãã§ãã¯æ¬ä½
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222 | */
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223 | #ifdef TOPPERS_check_address_stack
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224 |
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225 | AccessType
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226 | check_address_stack(const MemoryStartAddressType base, MemorySizeType size, const MemoryStartAddressType mobase, MemorySizeType mosize)
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227 | {
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228 | AccessType result;
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229 | if (within_memobj(base, size, mobase, mosize) != FALSE) {
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230 | result = AP_Readable | AP_Writable | AP_StackSpace;
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231 | }
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232 | else {
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233 | result = NO_ACCESS;
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234 | }
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235 | return(result);
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236 | }
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237 |
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238 | #endif /* TOPPERS_check_address_stack */
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239 |
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240 | #ifndef USE_TSKINICTXB
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241 |
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242 | LOCAL_INLINE AccessType
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243 | check_address_sstack(const MemoryStartAddressType base, MemorySizeType size, const TINIB *p_tinib)
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244 | {
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245 | return(check_address_stack(base, size, p_tinib->sstk, p_tinib->sstksz));
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246 | }
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247 |
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248 | LOCAL_INLINE AccessType
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249 | check_address_ustack(const MemoryStartAddressType base, MemorySizeType size, const TINIB *p_tinib)
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250 | {
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251 | return(check_address_stack(base, size, p_tinib->ustk, p_tinib->ustksz));
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252 | }
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253 |
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254 | #endif /* USE_TSKINICTXB */
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255 |
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256 |
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257 | #ifndef OMIT_STANDARD_MEMINIB
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258 | /*
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259 | * ã¡ã¢ãªãªãã¸ã§ã¯ãåæåãããã¯ã®æ¤ç´¢
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260 | */
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261 | #ifdef TOPPERS_search_meminib
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262 |
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263 | uint32
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264 | search_meminib(MemoryStartAddressType addr)
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265 | {
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266 | uint32 left, right, i;
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267 |
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268 | left = 0U;
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269 | right = tnum_meminib - 1U;
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270 | while (left < right) {
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271 | i = (left + right + 1U) / 2U;
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272 | if (addr < (MemoryStartAddressType const) memtop_table[i]) {
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273 | right = i - 1U;
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274 | }
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275 | else {
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276 | left = i;
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277 | }
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278 | }
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279 | return(left);
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280 | }
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281 |
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282 | #endif /* TOPPERS_search_meminib */
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283 | /*
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284 | * ã¡ã¢ãªã¢ã¯ã»ã¹ãã§ãã¯
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285 | * ã¡ã¢ãªãããã¯ã·ã§ã³åä½(OSã¢ããªã±ã¼ã·ã§ã³) ã§ã®ãã§ãã¯ãè¡ã
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286 | *
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287 | * ä¿¡é ¼OSã¢ããªã±ã¼ã·ã§ã³ã®å ´åã¯ï¼ããã¯ã°ã©ã¦ã³ãããã§ãã¯ãã
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288 | * ç¾å®è£
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289 | ã§ã¯å
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290 | ¨é åã¢ã¯ã»ã¹å¯è½
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291 | * éä¿¡é ¼OSã¢ããªã±ã¼ã·ã§ã³ã®å ´åã¯ï¼ã¡ã¢ãªãªãã¸ã§ã¯ãã®å±æ§ãè¿å´ãã
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292 | */
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293 | #ifdef TOPPERS_check_osap_memory
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294 |
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295 | AccessType
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296 | check_osap_memory(OSAPCB *p_osapcb, const MemoryStartAddressType adr, MemorySizeType size)
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297 | {
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298 | AccessType access = AP_NoAccess;
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299 | const MEMINIB *p_meminib;
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300 | uint32 pos;
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301 | uint32 btptn;
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302 | MemoryStartAddressType sadr = adr;
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303 | MemoryStartAddressType eadr = (MemoryStartAddressType) ((MemorySizeType) sadr + size);
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304 |
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305 | if (p_osapcb->p_osapinib->osap_trusted != FALSE) {
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306 | access = probe_trusted_osap_mem(sadr, eadr);
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307 | }
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308 | else {
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309 |
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310 | pos = search_meminib(sadr);
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311 | p_meminib = &(meminib_table[pos]);
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312 | if ((pos + 1U) < tnum_meminib) {
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313 | if (((uint8 *) eadr - 1) < (uint8 * const) memtop_table[pos + 1U]) {
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314 | btptn = p_osapcb->p_osapinib->btptn;
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315 | access |= ((p_meminib->acptnr & btptn) != 0U) ? AP_Readable : AP_NoAccess;
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316 | access |= ((p_meminib->acptnw & btptn) != 0U) ? AP_Writable : AP_NoAccess;
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317 | access |= ((p_meminib->acptnx & btptn) != 0U) ? AP_Executable : AP_NoAccess;
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318 | }
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319 | }
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320 | }
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321 | return(access);
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322 | }
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323 |
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324 | #endif /* TOPPERS_check_osap_memory */
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325 |
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326 | /*
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327 | * ISRã¡ã¢ãªã¢ã¯ã»ã¹ãã§ãã¯ã·ã¹ãã ãµã¼ãã¹(ã«ã¼ãã«å
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328 | é¨ç¨)
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329 | */
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330 | #ifdef TOPPERS_check_isr_memory
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331 |
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332 | AccessType
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333 | check_isr_memory(ISRCB *p_isrcb, const MemoryStartAddressType adr, MemorySizeType size, boolean *over_region)
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334 | {
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335 | AccessType access = AP_NoAccess;
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336 | uint32 pos;
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337 | MemoryStartAddressType sadr = adr;
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338 | MemorySizeType memsize;
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339 |
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340 | pos = search_meminib(sadr);
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341 | memsize = (MemorySizeType) (((uint8 *) (((pos + 1U) < tnum_meminib) ?
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342 | ((uint8 * const) memtop_table[pos + 1U]) : 0U)) - (const uint8 *) adr);
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343 |
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344 | /* ãªã¼ã¸ã§ã³ãè·¨ã£ããå¤å® */
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345 | if (size > memsize) {
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346 | *over_region = TRUE;
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347 | }
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348 | else {
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349 | *over_region = FALSE;
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350 | access = check_address_stack(adr, size, _ostk, _ostksz);
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351 | }
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352 |
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353 | /* æ©è½ã¬ãã«2ã§ã¯C2ISRã¯ä¿¡é ¼ãããªãã®ã§ï¼å
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354 | ¨ã¢ã¯ã»ã¹å¯è½ã«ãã */
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355 | access |= (AP_Readable | AP_Writable | AP_Executable);
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356 |
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357 | return(access);
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358 | }
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359 |
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360 | #endif /* TOPPERS_check_isr_memory */
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361 |
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362 | /*
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363 | * ã¿ã¹ã¯ã¡ã¢ãªã¢ã¯ã»ã¹ãã§ãã¯ã·ã¹ãã ãµã¼ãã¹(ã«ã¼ãã«å
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364 | é¨ç¨)
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365 | */
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366 | #ifdef TOPPERS_check_task_memory
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367 |
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368 | AccessType
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369 | check_task_memory(const TCB *p_tcb, const MemoryStartAddressType adr, MemorySizeType size, boolean *over_region)
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370 | {
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371 | AccessType access = AP_NoAccess;
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372 | const MEMINIB *p_meminib;
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373 | uint32 pos;
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374 | uint32 btptn;
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375 | MemoryStartAddressType sadr = adr;
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376 | MemorySizeType memsize;
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377 |
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378 | pos = search_meminib(sadr);
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379 | memsize = (MemorySizeType) (((uint8 *) (((pos + 1U) < tnum_meminib) ?
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380 | ((uint8 * const) memtop_table[pos + 1U]) : 0U)) - (const uint8 *) adr);
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381 |
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382 | /* ãªã¼ã¸ã§ã³ãè·¨ã£ããå¤å® */
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383 | if (size > memsize) {
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384 | *over_region = TRUE;
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385 | }
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386 | else {
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387 | *over_region = FALSE;
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388 | }
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389 |
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390 | if (p_tcb->p_tinib->p_osapcb->p_osapinib->osap_trusted != FALSE) {
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391 | access = check_address_sstack(adr, size, p_tcb->p_tinib);
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392 |
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393 | /* ä¿¡é ¼ã¿ã¹ã¯ã®å ´åã¯å
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394 | ¨ã¢ã¯ã»ã¹å¯è½ */
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395 | access |= (AP_Readable | AP_Writable | AP_Executable);
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396 | }
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397 | else if (*over_region == FALSE) {
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398 | p_meminib = &(meminib_table[pos]);
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399 | if ((p_meminib->mematr & TOPPERS_USTACK) == 0U) {
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400 | btptn = p_tcb->p_tinib->p_osapcb->p_osapinib->btptn;
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401 | access |= ((p_meminib->acptnr & btptn) != 0U) ? AP_Readable : AP_NoAccess;
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402 | access |= ((p_meminib->acptnw & btptn) != 0U) ? AP_Writable : AP_NoAccess;
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403 | access |= ((p_meminib->acptnx & btptn) != 0U) ? AP_Executable : AP_NoAccess;
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404 | }
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405 | else {
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406 | access = check_address_ustack(adr, size, p_tcb->p_tinib);
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407 | }
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408 | }
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409 | else {
|
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410 | /* ä¸è¨ä»¥å¤ã®å ´åï¼å¦çã¯è¡ããªã(æ»ãå¤ï¼AP_NoAccess) */
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411 | }
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412 |
|
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413 | return(access);
|
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414 | }
|
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415 |
|
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416 | #endif /* TOPPERS_check_task_memory */
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417 | #endif /* OMIT_STANDARD_MEMINIB */
|
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418 |
|
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419 | /*
|
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420 | * ã¡ã¢ãªã¢ã¯ã»ã¹æ¨©ã®ãã§ãã¯
|
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421 | */
|
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422 | #ifdef TOPPERS_probe_memory_access
|
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423 |
|
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424 | AccessType
|
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425 | probe_memory_access(const MemoryStartAddressType base, MemorySizeType size)
|
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426 | {
|
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427 | AccessType access;
|
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428 | boolean dummy;
|
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429 | MemoryStartAddressType base_adr = base;
|
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430 |
|
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431 | if (run_trusted != FALSE) {
|
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432 | /* ç¹æ¨©ã¢ã¼ãã®å ´åã¯ï¼ããã¯ã°ã©ã¦ã³ãããã§ãã¯ãã */
|
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433 | access = probe_trusted_osap_mem(base, (MemoryStartAddressType) ((uint8 *) base_adr + size));
|
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434 | }
|
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435 | else {
|
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436 | access = check_task_memory(p_runtsk, base, size, &dummy);
|
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437 | }
|
---|
438 | return(access);
|
---|
439 | }
|
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440 |
|
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441 | #endif /* TOPPERS_probe_memory_access */
|
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442 |
|
---|
443 | /*
|
---|
444 | * ã¡ã¢ãªã¸ã®æ¸è¾¼ã¿æ¨©ã®ãã§ãã¯
|
---|
445 | */
|
---|
446 | #ifdef TOPPERS_probe_memory_read
|
---|
447 |
|
---|
448 | boolean
|
---|
449 | probe_memory_read(const MemoryStartAddressType base, MemorySizeType size)
|
---|
450 | {
|
---|
451 | return((probe_memory_access(base, size) & AP_Readable) == AP_Readable);
|
---|
452 | }
|
---|
453 |
|
---|
454 | #endif /* TOPPERS_probe_memory_read */
|
---|
455 |
|
---|
456 | /*
|
---|
457 | * ã¡ã¢ãªã¸ã®æ¸è¾¼ã¿æ¨©ã®ãã§ãã¯
|
---|
458 | */
|
---|
459 | #ifdef TOPPERS_probe_memory_write
|
---|
460 |
|
---|
461 | boolean
|
---|
462 | probe_memory_write(const MemoryStartAddressType base, MemorySizeType size)
|
---|
463 | {
|
---|
464 | return((probe_memory_access(base, size) & AP_Writable) == AP_Writable);
|
---|
465 | }
|
---|
466 |
|
---|
467 | #endif /* TOPPERS_probe_memory_write */
|
---|
468 |
|
---|
469 | /*
|
---|
470 | * ã¡ã¢ãªã«å¯¾ããèªæ¸ã権ã®ãã§ãã¯
|
---|
471 | */
|
---|
472 | #ifdef TOPPERS_probe_memory_read_write
|
---|
473 |
|
---|
474 | boolean
|
---|
475 | probe_memory_read_write(const MemoryStartAddressType base, MemorySizeType size)
|
---|
476 | {
|
---|
477 | return((probe_memory_access(base, size) & (AP_Readable | AP_Writable)) == (AP_Readable | AP_Writable));
|
---|
478 | }
|
---|
479 |
|
---|
480 | #endif /* TOPPERS_probe_memory_read_write */
|
---|
481 |
|
---|
482 | /*
|
---|
483 | * DATAã»ã¯ã·ã§ã³ã¨BSSã»ã¯ã·ã§ã³ã®åæå
|
---|
484 | */
|
---|
485 | #ifdef TOPPERS_initialize_sections
|
---|
486 | #ifndef OMIT_INITIALIZE_SECTIONS
|
---|
487 |
|
---|
488 | void
|
---|
489 | initialize_sections(void)
|
---|
490 | {
|
---|
491 | uint32 i;
|
---|
492 | uint8 *p_src, *p_dst;
|
---|
493 | const DATASECINIB *p_datasecinib;
|
---|
494 | const BSSSECINIB *p_bsssecinib;
|
---|
495 |
|
---|
496 | for (i = 0U; i < tnum_datasec; i++) {
|
---|
497 | p_datasecinib = &(datasecinib_table[i]);
|
---|
498 | p_src = (uint8 *) p_datasecinib->start_idata;
|
---|
499 | for (p_dst = (uint8 *) p_datasecinib->start_data;
|
---|
500 | ((const MemoryStartAddressType) p_dst) < (const MemoryStartAddressType) p_datasecinib->end_data; p_dst++) {
|
---|
501 | *p_dst = *p_src;
|
---|
502 | p_src++;
|
---|
503 | }
|
---|
504 | }
|
---|
505 | for (i = 0U; i < tnum_bsssec; i++) {
|
---|
506 | p_bsssecinib = &(bsssecinib_table[i]);
|
---|
507 | for (p_dst = (uint8 *) p_bsssecinib->start_bss;
|
---|
508 | ((const MemoryStartAddressType) p_dst) < (const MemoryStartAddressType) p_bsssecinib->end_bss; p_dst++) {
|
---|
509 | *p_dst = 0U;
|
---|
510 | }
|
---|
511 | }
|
---|
512 | }
|
---|
513 |
|
---|
514 | #endif /* OMIT_INITIALIZE_SECTIONS */
|
---|
515 | #endif /* TOPPERS_initialize_sections */
|
---|