1 | /*
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2 | * TOPPERS Software
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3 | * Toyohashi Open Platform for Embedded Real-Time Systems
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4 | *
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5 | * Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
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6 | * Toyohashi Univ. of Technology, JAPAN
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7 | * Copyright (C) 2006-2015 by Embedded and Real-Time Systems Laboratory
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8 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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9 | *
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10 | * ä¸è¨èä½æ¨©è
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11 | ã¯ï¼ä»¥ä¸ã®(1)ã(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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12 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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13 | * å¤ã»åé
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14 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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15 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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16 | * 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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17 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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18 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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19 | * ç¨ã§ããå½¢ã§åé
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20 | å¸ããå ´åã«ã¯ï¼åé
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21 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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22 | * è
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23 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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24 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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25 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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26 | * ç¨ã§ããªãå½¢ã§åé
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27 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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28 | * ã¨ï¼
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29 | * (a) åé
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30 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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31 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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32 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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33 | * (b) åé
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34 | å¸ã®å½¢æ
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35 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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36 | * å ±åãããã¨ï¼
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37 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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38 | * 害ãããï¼ä¸è¨èä½æ¨©è
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39 | ããã³TOPPERSããã¸ã§ã¯ããå
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40 | 責ãããã¨ï¼
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41 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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42 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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43 | ããã³TOPPERSããã¸ã§ã¯ãã
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44 | * å
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45 | 責ãããã¨ï¼
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46 | *
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47 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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48 | ã
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49 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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50 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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51 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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52 | * ã®è²¬ä»»ãè² ããªãï¼
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53 | *
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54 | * $Id: arm_insn.h 438 2015-08-09 01:37:47Z ertl-hiro $
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55 | */
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56 |
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57 | /*
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58 | * ARMã³ã¢ã®ç¹æ®å½ä»¤ã®ã¤ã³ã©ã¤ã³é¢æ°å®ç¾©
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59 | *
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60 | * ãã®ããããã¡ã¤ã«ã¯ï¼arm.hããã¤ã³ã¯ã«ã¼ããããï¼arm.hããåé¢ã
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61 | * ã¦ããã®ã¯ï¼ã³ã³ãã¤ã©ã«ããã¤ã³ã©ã¤ã³ã¢ã»ã³ãã©ã®è¨è¿°æ¹æ³ã®éãã
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62 | * å¸åããããã«ï¼ãã®ãã¡ã¤ã«ã®ã¿ãç½®ãæããã°ããããã«ããããã§
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63 | * ããï¼
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64 | */
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65 |
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66 | #ifndef TOPPERS_ARM_INSN_H
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67 | #define TOPPERS_ARM_INSN_H
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68 |
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69 | #include <t_stddef.h>
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70 |
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71 | /*
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72 | * CLZï¼Count Leading Zeroï¼å½ä»¤
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73 | */
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74 | #if __TARGET_ARCH_ARM >= 6
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75 |
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76 | Inline uint32_t
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77 | count_leading_zero(uint32_t val)
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78 | {
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79 | uint32_t count;
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80 |
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81 | Asm("clz %0, %1" : "=r"(count) : "r"(val));
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82 | return(count);
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83 | }
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84 |
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85 | #endif /* __TARGET_ARCH_ARM >= 6 */
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86 |
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87 | /*
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88 | * ã¡ã¢ãªãå¤æ´ããããã¨ãã³ã³ãã¤ã©ã«ä¼ããããã®ãã¯ã
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89 | */
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90 | #define ARM_MEMORY_CHANGED Asm("":::"memory")
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91 |
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92 | /*
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93 | * ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã®æä½é¢æ°
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94 | */
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95 | #ifndef __thumb__
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96 |
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97 | /*
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98 | * ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ï¼CPSRï¼ã®ç¾å¨å¤ã®èªåºã
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99 | */
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100 | Inline uint32_t
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101 | current_cpsr(void)
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102 | {
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103 | uint32_t cpsr;
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104 |
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105 | Asm("mrs %0, cpsr" : "=r"(cpsr));
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106 | return(cpsr);
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107 | }
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108 |
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109 | /*
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110 | * ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ï¼CPSRï¼ã®ç¾å¨å¤ã®å¤æ´
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111 | */
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112 | Inline void
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113 | set_cpsr(uint32_t cpsr)
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114 | {
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115 | Asm("msr cpsr_cxsf, %0" : : "r"(cpsr) : "memory","cc");
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116 | }
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117 |
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118 | #else /* __thumb__ */
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119 | /*
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120 | * Thumbã¢ã¼ãã§ã¯mrs/msrå½ä»¤ã使ç¨ã§ããªãããï¼é¢æ°ã¨ãã¦å®ç¾ãã¦ï¼
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121 | * ARMã¢ã¼ãã«ç§»è¡ãã¦å®è¡ããï¼
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122 | */
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123 |
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124 | /*
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125 | * ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ï¼CPSRï¼ã®ç¾å¨å¤ã®èªåºã
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126 | */
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127 | extern uint32_t current_cpsr(void);
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128 |
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129 | /*
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130 | * ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ï¼CPSRï¼ã®ç¾å¨å¤ã®å¤æ´
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131 | */
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132 | extern void set_cpsr(uint32_t cpsr);
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133 |
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134 | #endif /* __thumb__ */
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135 |
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136 | /*
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137 | * å²è¾¼ã¿ç¦æ¢ï¼è¨±å¯é¢æ°
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138 | *
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139 | * ARMv6ãã追å ãããã·ã¹ãã ç¶æ
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140 | ãå¤æ´ããå½ä»¤ã使ã£ãå²è¾¼ã¿ç¦æ¢ï¼è¨±
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141 | * å¯ã®ããã®é¢æ°ï¼
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142 | */
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143 | #if __TARGET_ARCH_ARM >= 6
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144 |
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145 | /*
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146 | * IRQã®ç¦æ¢
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147 | */
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148 | Inline void
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149 | disable_irq(void)
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150 | {
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151 | Asm("cpsid i");
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152 | }
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153 |
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154 | /*
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155 | * IRQã®è¨±å¯
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156 | */
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157 | Inline void
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158 | enable_irq(void)
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159 | {
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160 | Asm("cpsie i");
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161 | }
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162 |
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163 | /*
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164 | * FIQã®ç¦æ¢
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165 | */
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166 | Inline void
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167 | disable_fiq(void)
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168 | {
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169 | Asm("cpsid f");
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170 | }
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171 |
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172 | /*
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173 | * FIQã®è¨±å¯
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174 | */
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175 | Inline void
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176 | enable_fiq(void)
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177 | {
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178 | Asm("cpsie f");
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179 | }
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180 |
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181 | /*
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182 | * FIQã¨IRQã®ç¦æ¢
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183 | */
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184 | Inline void
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185 | disable_fiq_irq(void)
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186 | {
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187 | Asm("cpsid fi");
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188 | }
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189 |
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190 | /*
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191 | * FIQã¨IRQã®è¨±å¯
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192 | */
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193 | Inline void
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194 | enable_fiq_irq(void)
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195 | {
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196 | Asm("cpsie fi");
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197 | }
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198 |
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199 | #endif /* __TARGET_ARCH_ARM >= 6 */
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200 |
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201 | /*
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202 | * CP15ã®IDã¬ã¸ã¹ã¿æä½ãã¯ã
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203 | */
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204 |
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205 | /* ã¡ã¤ã³IDã¬ã¸ã¹ã¿ */
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206 | #define CP15_READ_MIDR(reg) Asm("mrc p15, 0, %0, c0, c0, 0":"=r"(reg))
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207 |
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208 | /* ãã«ãããã»ããµã¢ãã£ããã£ã¬ã¸ã¹ã¿ï¼ARMv6以éï¼*/
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209 | #if __TARGET_ARCH_ARM >= 6
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210 | #define CP15_READ_MPIDR(reg) Asm("mrc p15, 0, %0, c0, c0, 5":"=r"(reg))
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211 | #endif /* __TARGET_ARCH_ARM >= 6 */
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212 |
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213 | /* ãã£ãã·ã¥ã¿ã¤ãã¬ã¸ã¹ã¿ */
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214 | #define CP15_READ_CTR(reg) Asm("mrc p15, 0, %0, c0, c0, 1":"=r"(reg))
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215 |
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216 | #if __TARGET_ARCH_ARM == 7
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217 | /* ãã£ãã·ã¥ã¬ãã«IDã¬ã¸ã¹ã¿ï¼ARMv7ï¼ */
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218 | #define CP15_READ_CLIDR(reg) Asm("mrc p15, 1, %0, c0, c0, 1":"=r"(reg))
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219 |
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220 | /* ãã£ãã·ã¥ãµã¤ãºé¸æã¬ã¸ã¹ã¿ï¼ARMv7ï¼*/
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221 | #define CP15_WRITE_CSSELR(reg) Asm("mcr p15, 2, %0, c0, c0, 0"::"r"(reg))
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222 |
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223 | /* ãã£ãã·ã¥ãµã¤ãºIDã¬ã¸ã¹ã¿ï¼ARMv7ï¼*/
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224 | #define CP15_READ_CCSIDR(reg) Asm("mrc p15, 1, %0, c0, c0, 0":"=r"(reg))
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225 | #endif /* __TARGET_ARCH_ARM == 7 */
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226 |
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227 | /*
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228 | * CP15ã®ã·ã¹ãã å¶å¾¡ã¬ã¸ã¹ã¿æä½ãã¯ã
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229 | */
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230 |
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231 | /* ã·ã¹ãã å¶å¾¡ã¬ã¸ã¹ã¿ */
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232 | #define CP15_READ_SCTLR(reg) Asm("mrc p15, 0, %0, c1, c0, 0":"=r"(reg))
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233 | #define CP15_WRITE_SCTLR(reg) Asm("mcr p15, 0, %0, c1, c0, 0"::"r"(reg))
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234 |
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235 | /* è£å©å¶å¾¡ã¬ã¸ã¹ã¿ï¼æ©è½ã¯ãããä¾åï¼*/
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236 | #define CP15_READ_ACTLR(reg) Asm("mrc p15, 0, %0, c1, c0, 1":"=r"(reg))
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237 | #define CP15_WRITE_ACTLR(reg) Asm("mcr p15, 0, %0, c1, c0, 1"::"r"(reg))
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238 |
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239 | /*
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240 | * CP15ã«ãããã£ãã·ã¥æä½ãã¯ã
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241 | */
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242 |
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243 | /* å½ä»¤ãã£ãã·ã¥å
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244 | ¨ä½ã®ç¡å¹å */
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245 | #define CP15_INVALIDATE_ICACHE() \
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246 | Asm("mcr p15, 0, %0, c7, c5, 0"::"r"(0))
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247 |
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248 | /* ãã¼ã¿ãã£ãã·ã¥å
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249 | ¨ä½ã®ç¡å¹åï¼ARMv6以åï¼*/
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250 | #if __TARGET_ARCH_ARM <= 6
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251 | #define CP15_INVALIDATE_DCACHE() Asm("mcr p15, 0, %0, c7, c6, 0"::"r"(0))
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252 | #endif /* __TARGET_ARCH_ARM <= 6 */
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253 |
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254 | /* çµ±åãã£ãã·ã¥å
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255 | ¨ä½ã®ç¡å¹åï¼ARMv6以åï¼*/
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256 | #if __TARGET_ARCH_ARM <= 6
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257 | #define CP15_INVALIDATE_UCACHE() Asm("mcr p15, 0, %0, c7, c7, 0"::"r"(0))
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258 | #endif /* __TARGET_ARCH_ARM <= 6 */
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259 |
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260 | /* ãã¼ã¿ãã£ãã·ã¥å
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261 | ¨ä½ã®ã¯ãªã¼ã³ã¨ç¡å¹åï¼ARMv5ã®ã¿ï¼*/
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262 | #if __TARGET_ARCH_ARM <= 5
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263 | #define ARMV5_CLEAN_AND_INVALIDATE_DCACHE() \
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264 | Asm("1: mrc p15, 0, apsr_nzcv, c7, c14, 3; bne 1b")
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265 | #endif /* __TARGET_ARCH_ARM <= 5 */
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266 |
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267 | /* ãã¼ã¿ãã£ãã·ã¥å
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268 | ¨ä½ã®ã¯ãªã¼ã³ã¨ç¡å¹åï¼ARMv6ã®ã¿ï¼*/
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269 | #if __TARGET_ARCH_ARM == 6
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270 | #define CP15_CLEAN_AND_INVALIDATE_DCACHE() \
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271 | Asm("mcr p15, 0, %0, c7, c14, 0"::"r"(0))
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272 | #endif /* __TARGET_ARCH_ARM == 6 */
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273 |
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274 | /* çµ±åãã£ãã·ã¥å
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275 | ¨ä½ã®ã¯ãªã¼ã³ã¨ç¡å¹åï¼ARMv6ã®ã¿ï¼*/
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276 | #if __TARGET_ARCH_ARM == 6
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277 | #define CP15_CLEAN_AND_INVALIDATE_UCACHE() \
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278 | Asm("mcr p15, 0, %0, c7, c15, 0"::"r"(0))
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279 | #endif /* __TARGET_ARCH_ARM == 6 */
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280 |
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281 | /* ãã¼ã¿ãã£ãã·ã¥ã®ã»ããï¼ã¦ã§ã¤åä½ã®ç¡å¹å */
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282 | #define CP15_WRITE_DCISW(reg) Asm("mcr p15, 0, %0, c7, c6, 2"::"r"(reg))
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283 |
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284 | /* ãã¼ã¿ãã£ãã·ã¥ã®ã»ããï¼ã¦ã§ã¤åä½ã®ã¯ãªã¼ã³ã¨ç¡å¹å */
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285 | #define CP15_WRITE_DCCISW(reg) Asm("mcr p15, 0, %0, c7, c14, 2"::"r"(reg))
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286 |
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287 | /*
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288 | * CP15ã®ãã©ã¼ã«ãç¶æ
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289 | ï¼ã¢ãã¬ã¹ã®æä½ãã¯ã
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290 | */
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291 | #if __TARGET_ARCH_ARM >= 6
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292 | #define CP15_READ_DFSR(reg) Asm("mrc p15, 0, %0, c5, c0, 0":"=r"(reg))
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293 | #define CP15_READ_DFAR(reg) Asm("mrc p15, 0, %0, c6, c0, 0":"=r"(reg))
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294 | #define CP15_READ_IFSR(reg) Asm("mrc p15, 0, %0, c5, c0, 1":"=r"(reg))
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295 | #define CP15_READ_IFAR(reg) Asm("mrc p15, 0, %0, c6, c0, 2":"=r"(reg))
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296 | #else /* __TARGET_ARCH_ARM >= 6 */
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297 | #define CP15_READ_FSR(reg) Asm("mrc p15, 0, %0, c5, c0, 0":"=r"(reg))
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298 | #define CP15_READ_FAR(reg) Asm("mrc p15, 0, %0, c6, c0, 0":"=r"(reg))
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299 | #endif /* __TARGET_ARCH_ARM >= 6 */
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300 |
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301 | /*
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302 | * CP15ã«ããMMUã®æä½ãã¯ãï¼VMSAï¼
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303 | */
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304 |
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305 | /* å¤æãã¼ãã«ãã¼ã¹å¶å¾¡ã¬ã¸ã¹ã¿ï¼ARMv6以éï¼*/
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306 | #if __TARGET_ARCH_ARM >= 6
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307 | #define CP15_WRITE_TTBCR(reg) Asm("mcr p15, 0, %0, c2, c0, 2"::"r"(reg))
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308 | #endif /* __TARGET_ARCH_ARM >= 6 */
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309 |
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310 | /* å¤æãã¼ãã«ãã¼ã¹ã¬ã¸ã¹ã¿0 */
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311 | #define CP15_READ_TTBR0(reg) Asm("mrc p15, 0, %0, c2, c0, 0":"=r"(reg))
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312 | #define CP15_WRITE_TTBR0(reg) Asm("mcr p15, 0, %0, c2, c0, 0"::"r"(reg))
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313 |
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314 | /* ãã¡ã¤ã³ã¢ã¯ã»ã¹å¶å¾¡ã¬ã¸ã¹ã¿ */
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315 | #define CP15_WRITE_DACR(reg) Asm("mcr p15, 0, %0, c3, c0, 0":: "r"(reg))
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316 |
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317 | /* ã³ã³ããã¹ãIDã¬ã¸ã¹ã¿ï¼ARMv6以éï¼*/
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318 | #if __TARGET_ARCH_ARM >= 6
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319 | #define CP15_WRITE_CONTEXTIDR(reg) Asm("mcr p15, 0, %0, c13, c0, 1" ::"r"(reg))
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320 | #endif /* __TARGET_ARCH_ARM >= 6 */
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321 |
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322 | /*
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323 | * CP15ã«ããTLBæä½ãã¯ãï¼VMSAï¼
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324 | */
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325 |
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326 | /* TLBå
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327 | ¨ä½ã®ç¡å¹å */
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328 | #define CP15_INVALIDATE_TLB() Asm("mcr p15, 0, %0, c8, c7, 0"::"r"(0))
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329 |
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330 | /*
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331 | * CP15ã®ããã©ã¼ãã³ã¹ã¢ãã¿æä½ãã¯ãï¼ARMv7ã®ã¿ï¼
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332 | */
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333 | #if __TARGET_ARCH_ARM == 7
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334 |
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335 | /* ããã©ã¼ãã³ã¹ã¢ãã¿å¶å¾¡ã¬ã¸ã¹ã¿ */
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336 | #define CP15_READ_PMCR(reg) Asm("mrc p15, 0, %0, c9, c12, 0":"=r"(reg))
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337 | #define CP15_WRITE_PMCR(reg) Asm("mcr p15, 0, %0, c9, c12, 0"::"r"(reg))
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338 |
|
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339 | /* ããã©ã¼ãã³ã¹ã¢ãã¿ã«ã¦ã³ãã¤ãã¼ãã«ã»ããã¬ã¸ã¹ã¿ */
|
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340 | #define CP15_READ_PMCNTENSET(reg) Asm("mrc p15, 0, %0, c9, c12, 1":"=r"(reg))
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341 | #define CP15_WRITE_PMCNTENSET(reg) Asm("mcr p15, 0, %0, c9, c12, 1"::"r"(reg))
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342 |
|
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343 | /* ããã©ã¼ãã³ã¹ã¢ãã¿ã«ã¦ã³ã¿ãµã¤ã¯ã«ã¬ã¸ã¹ã¿ */
|
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344 | #define CP15_READ_PMCCNTR(reg) Asm("mrc p15, 0, %0, c9, c13, 0":"=r"(reg))
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345 | #define CP15_WRITE_PMCCNTR(reg) Asm("mcr p15, 0, %0, c9, c13, 0"::"r"(reg))
|
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346 |
|
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347 | #endif /* __TARGET_ARCH_ARM == 7 */
|
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348 |
|
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349 | /*
|
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350 | * CP15ã«ããã¡ã¢ãªããªã¢æä½ãã¯ã
|
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351 | */
|
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352 | #define CP15_INST_SYNC_BARRIER() \
|
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353 | Asm("mcr p15, 0, %0, c7, c5, 4"::"r"(0):"memory")
|
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354 | #define CP15_DATA_SYNC_BARRIER() \
|
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355 | Asm("mcr p15, 0, %0, c7, c10, 4"::"r"(0):"memory")
|
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356 | #define CP15_DATA_MEMORY_BARRIER() \
|
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357 | Asm("mcr p15, 0, %0, c7, c10, 5"::"r"(0):"memory")
|
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358 |
|
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359 | /*
|
---|
360 | * ã¡ã¢ãªããªã¢
|
---|
361 | *
|
---|
362 | * ARMv6ã¨ARMv7ãæã¤3ã¤ã®ã¡ã¢ãªããªã¢æ©è½ã使ç¨ããããã®é¢æ°ï¼ã¡ã¢ãª
|
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363 | * ããªã¢ã¯ï¼ARMv7ã§ã¯å°ç¨å½ä»¤ï¼ARMv6ã§ã¯CP15ã¸ã®æ¸è¾¼ã¿ã§å®ç¾ãããï¼
|
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364 | * ARMv7ã®ã¡ã¢ãªããªã¢å½ä»¤ã¯ï¼åæãåãç¯å²ãæå®ã§ãããï¼ä»¥ä¸ã®é¢æ°
|
---|
365 | * ã§ã¯æ大ç¯å²ï¼ã·ã¹ãã å
|
---|
366 | ¨ä½ï¼ãªã¼ãï¼ã©ã¤ãã®ä¸¡æ¹ï¼ã§åæãåãï¼
|
---|
367 | */
|
---|
368 |
|
---|
369 | /*
|
---|
370 | * ãã¼ã¿ã¡ã¢ãªããªã¢
|
---|
371 | *
|
---|
372 | * ãã®ããªã¢ã®åå¾ã§ï¼ã¡ã¢ãªã¢ã¯ã»ã¹ã®é åºãå
|
---|
373 | ¥ãæãããªãããã«ããï¼
|
---|
374 | * ãã«ãã³ã¢ï¼å³å¯ã«ã¯ãã«ããã¹ã¿ï¼ã§ã®ä½¿ç¨ãæ³å®ããå½ä»¤ï¼
|
---|
375 | */
|
---|
376 | Inline void
|
---|
377 | data_memory_barrier(void)
|
---|
378 | {
|
---|
379 | #if __TARGET_ARCH_ARM <= 6
|
---|
380 | CP15_DATA_MEMORY_BARRIER();
|
---|
381 | #else /* __TARGET_ARCH_ARM <= 6 */
|
---|
382 | Asm("dmb":::"memory");
|
---|
383 | #endif /* __TARGET_ARCH_ARM <= 6 */
|
---|
384 | }
|
---|
385 |
|
---|
386 | /*
|
---|
387 | * ãã¼ã¿åæããªã¢
|
---|
388 | *
|
---|
389 | * å
|
---|
390 | è¡ããã¡ã¢ãªã¢ã¯ã»ã¹ãå®äºããã®ãå¾
|
---|
391 | ã¤ï¼ã¡ã¢ãªã¢ã¯ã»ã¹ãå¯ä½ç¨ã
|
---|
392 | * æã¤æã«ï¼ãã®å¯ä½ç¨ãèµ·ããã®ãå¾
|
---|
393 | ã¤ããã®ä½¿ç¨ãæ³å®ããå½ä»¤ï¼
|
---|
394 | */
|
---|
395 | Inline void
|
---|
396 | data_sync_barrier(void)
|
---|
397 | {
|
---|
398 | #if __TARGET_ARCH_ARM <= 6
|
---|
399 | CP15_DATA_SYNC_BARRIER();
|
---|
400 | #else /* __TARGET_ARCH_ARM <= 6 */
|
---|
401 | Asm("dsb":::"memory");
|
---|
402 | #endif /* __TARGET_ARCH_ARM <= 6 */
|
---|
403 | }
|
---|
404 |
|
---|
405 | /*
|
---|
406 | * å½ä»¤åæããªã¢
|
---|
407 | *
|
---|
408 | * ããã°ã©ã ãæ¸ãæããããï¼ã¾ãã¯ï¼ã·ã¹ãã ç¶æ
|
---|
409 | ã®å¤åã«ããå®è¡ã
|
---|
410 | * ã¹ãããã°ã©ã ãå¤ãã£ãï¼æã«ï¼ãã¤ãã©ã¤ã³ããã©ãã·ã¥ãããªã©ï¼
|
---|
411 | * æ°ããããã°ã©ã ãèªã¿è¾¼ãããã«ããï¼ARMv6ã§ã¯ï¼ããªãã§ãããã©ã
|
---|
412 | * ã·ã¥ã¨å¼ã°ãã¦ããï¼
|
---|
413 | */
|
---|
414 | Inline void
|
---|
415 | inst_sync_barrier(void)
|
---|
416 | {
|
---|
417 | #if __TARGET_ARCH_ARM <= 6
|
---|
418 | CP15_INST_SYNC_BARRIER();
|
---|
419 | #else /* __TARGET_ARCH_ARM <= 6 */
|
---|
420 | Asm("isb":::"memory");
|
---|
421 | #endif /* __TARGET_ARCH_ARM <= 6 */
|
---|
422 | }
|
---|
423 |
|
---|
424 | #endif /* TOPPERS_ARM_INSN_H */
|
---|