[302] | 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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[304] | 7 | * Copyright (C) 2006-2016 by Embedded and Real-Time Systems Laboratory
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[302] | 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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[304] | 39 | ããã³TOPPERSããã¸ã§ã¯ããå
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[302] | 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 547 2016-01-16 06:26:08Z 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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[304] | 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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[302] | 346 |
|
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| 347 | #endif /* __TARGET_ARCH_ARM == 7 */
|
---|
| 348 |
|
---|
| 349 | /*
|
---|
| 350 | * CP15ã«ããã¡ã¢ãªããªã¢æä½ãã¯ã
|
---|
| 351 | */
|
---|
| 352 | #define CP15_INST_SYNC_BARRIER() \
|
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| 353 | Asm("mcr p15, 0, %0, c7, c5, 4"::"r"(0):"memory")
|
---|
| 354 | #define CP15_DATA_SYNC_BARRIER() \
|
---|
| 355 | Asm("mcr p15, 0, %0, c7, c10, 4"::"r"(0):"memory")
|
---|
| 356 | #define CP15_DATA_MEMORY_BARRIER() \
|
---|
[304] | 357 | Asm("mcr p15, 0, %0, c7, c10, 5"::"r"(0):"memory")
|
---|
| 358 |
|
---|
| 359 | /*
|
---|
[302] | 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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[304] | 363 | * ããªã¢ã¯ï¼ARMv7ã§ã¯å°ç¨å½ä»¤ï¼ARMv6ã§ã¯CP15ã¸ã®æ¸è¾¼ã¿ã§å®ç¾ãããï¼
|
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[302] | 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 | * ARMv5以åã§ã¯ï¼ã¡ã¢ãªããªã¢æ©è½ã¯å®è£
|
---|
| 369 | ä¾åã§ããããï¼ããããï¼
|
---|
| 370 | * DATA_MEMORY_BARRIERï¼DATA_SYNC_BARRIERï¼INST_SYNC_BARRIERãå®ç¾©ãã
|
---|
| 371 | * ãã¨ã«ãã£ã¦ï¼é¢æ°ã®å
|
---|
| 372 | 容ãå
|
---|
| 373 | ¥ãæããããããã«ãã¦ããï¼
|
---|
| 374 | */
|
---|
[304] | 375 |
|
---|
| 376 | /*
|
---|
| 377 | * ãã¼ã¿ã¡ã¢ãªããªã¢
|
---|
[302] | 378 | *
|
---|
| 379 | * ãã®ããªã¢ã®åå¾ã§ï¼ã¡ã¢ãªã¢ã¯ã»ã¹ã®é åºãå
|
---|
| 380 | ¥ãæãããªãããã«ããï¼
|
---|
[304] | 381 | * ãã«ãã³ã¢ï¼å³å¯ã«ã¯ãã«ããã¹ã¿ï¼ã§ã®ä½¿ç¨ãæ³å®ããå½ä»¤ï¼
|
---|
[302] | 382 | */
|
---|
| 383 | Inline void
|
---|
| 384 | data_memory_barrier(void)
|
---|
| 385 | {
|
---|
| 386 | #ifdef DATA_MEMORY_BARRIER
|
---|
| 387 | DATA_MEMORY_BARRIER();
|
---|
| 388 | #elif __TARGET_ARCH_ARM <= 6
|
---|
| 389 | CP15_DATA_MEMORY_BARRIER();
|
---|
| 390 | #else /* __TARGET_ARCH_ARM <= 6 */
|
---|
| 391 | Asm("dmb":::"memory");
|
---|
| 392 | #endif
|
---|
| 393 | }
|
---|
| 394 |
|
---|
[304] | 395 | /*
|
---|
| 396 | * ãã¼ã¿åæããªã¢
|
---|
| 397 | *
|
---|
[302] | 398 | * å
|
---|
| 399 | è¡ããã¡ã¢ãªã¢ã¯ã»ã¹ãå®äºããã®ãå¾
|
---|
| 400 | ã¤ï¼ã¡ã¢ãªã¢ã¯ã»ã¹ãå¯ä½ç¨ã
|
---|
[304] | 401 | * æã¤æã«ï¼ãã®å¯ä½ç¨ãèµ·ããã®ãå¾
|
---|
[302] | 402 | ã¤ããã®ä½¿ç¨ãæ³å®ããå½ä»¤ï¼
|
---|
| 403 | */
|
---|
| 404 | Inline void
|
---|
| 405 | data_sync_barrier(void)
|
---|
| 406 | {
|
---|
| 407 | #ifdef DATA_SYNC_BARRIER
|
---|
| 408 | DATA_SYNC_BARRIER();
|
---|
| 409 | #elif __TARGET_ARCH_ARM <= 6
|
---|
| 410 | CP15_DATA_SYNC_BARRIER();
|
---|
| 411 | #else /* __TARGET_ARCH_ARM <= 6 */
|
---|
| 412 | Asm("dsb":::"memory");
|
---|
| 413 | #endif
|
---|
| 414 | }
|
---|
| 415 |
|
---|
| 416 | /*
|
---|
| 417 | * å½ä»¤åæããªã¢
|
---|
| 418 | *
|
---|
| 419 | * ããã°ã©ã ãæ¸ãæããããï¼ã¾ãã¯ï¼ã·ã¹ãã ç¶æ
|
---|
| 420 | ã®å¤åã«ããå®è¡ã
|
---|
| 421 | * ã¹ãããã°ã©ã ãå¤ãã£ãï¼æã«ï¼ãã¤ãã©ã¤ã³ããã©ãã·ã¥ãããªã©ï¼
|
---|
| 422 | * æ°ããããã°ã©ã ãèªã¿è¾¼ãããã«ããï¼ARMv6ã§ã¯ï¼ããªãã§ãããã©ã
|
---|
| 423 | * ã·ã¥ã¨å¼ã°ãã¦ããï¼
|
---|
| 424 | */
|
---|
| 425 | Inline void
|
---|
| 426 | inst_sync_barrier(void)
|
---|
| 427 | {
|
---|
| 428 | #ifdef INST_SYNC_BARRIER
|
---|
| 429 | INST_SYNC_BARRIER();
|
---|
| 430 | #elif __TARGET_ARCH_ARM <= 6
|
---|
| 431 | CP15_INST_SYNC_BARRIER();
|
---|
| 432 | #else /* __TARGET_ARCH_ARM <= 6 */
|
---|
| 433 | Asm("isb":::"memory");
|
---|
| 434 | #endif
|
---|
| 435 | }
|
---|
| 436 |
|
---|
| 437 | #endif /* TOPPERS_ARM_INSN_H */
|
---|