[302] | 1 | /*
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| 2 | * TOPPERS/ASP Kernel
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
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| 4 | * Advanced Standard Profile Kernel
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| 5 | *
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[305] | 6 | * Copyright (C) 2006-2016 by Embedded and Real-Time Systems Laboratory
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[302] | 7 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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| 8 | *
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| 9 | * ä¸è¨èä½æ¨©è
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| 10 | ã¯ï¼ä»¥ä¸ã®(1)ã(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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| 11 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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| 12 | * å¤ã»åé
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| 13 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 14 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 15 | * 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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| 16 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 17 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 18 | * ç¨ã§ããå½¢ã§åé
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| 19 | å¸ããå ´åã«ã¯ï¼åé
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| 20 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 21 | * è
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| 22 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 23 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 24 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 25 | * ç¨ã§ããªãå½¢ã§åé
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| 26 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 27 | * ã¨ï¼
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| 28 | * (a) åé
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| 29 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 31 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 32 | * (b) åé
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| 33 | å¸ã®å½¢æ
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| 34 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 35 | * å ±åãããã¨ï¼
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| 36 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 37 | * 害ãããï¼ä¸è¨èä½æ¨©è
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[305] | 38 | ããã³TOPPERSããã¸ã§ã¯ããå
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[302] | 39 | 責ãããã¨ï¼
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| 40 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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| 41 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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| 42 | ããã³TOPPERSããã¸ã§ã¯ãã
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| 43 | * å
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| 44 | 責ãããã¨ï¼
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| 45 | *
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| 46 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 47 | ã
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| 48 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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| 49 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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| 50 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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| 51 | * ã®è²¬ä»»ãè² ããªãï¼
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| 52 | *
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| 53 | * $Id: gic_kernel_impl.h 535 2016-01-16 00:42:29Z ertl-hiro $
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| 54 | */
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| 55 |
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| 56 | /*
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| 57 | * ã«ã¼ãã«ã®å²è¾¼ã¿ã³ã³ããã¼ã©ä¾åé¨ï¼GICç¨ï¼
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| 58 | *
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| 59 | * ãã®ããããã¡ã¤ã«ã¯ï¼target_kernel_impl.hï¼ã¾ãã¯ï¼ããããã¤ã³ã¯
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| 60 | * ã«ã¼ãããããã¡ã¤ã«ï¼ã®ã¿ããã¤ã³ã¯ã«ã¼ããããï¼ä»ã®ãã¡ã¤ã«ãã
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| 61 | * ç´æ¥ã¤ã³ã¯ã«ã¼ããã¦ã¯ãªããªãï¼
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| 62 | */
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| 63 |
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| 64 | #ifndef TOPPERS_GIC_KERNEL_IMPL_H
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| 65 | #define TOPPERS_GIC_KERNEL_IMPL_H
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| 66 |
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| 67 | #include <sil.h>
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| 68 | #include "arm.h"
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| 69 |
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| 70 | /*
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| 71 | * å²è¾¼ã¿çªå·ã®æ°ï¼æå°å¤ã¨æ大å¤
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| 72 | */
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| 73 | #define TNUM_INTNO GIC_TNUM_INTNO
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| 74 | #define TMIN_INTNO UINT_C(0)
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| 75 | #define TMAX_INTNO (GIC_TNUM_INTNO - 1)
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| 76 |
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| 77 | /*
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| 78 | * å²è¾¼ã¿ãã³ãã©çªå·ã®æ°
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| 79 | */
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| 80 | #define TNUM_INHNO GIC_TNUM_INTNO
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[305] | 81 |
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| 82 | /*
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[302] | 83 | * å²è¾¼ã¿çªå·ã®å®ç¾©
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| 84 | */
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| 85 | #define GIC_INTNO_SGI0 0U
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| 86 | #define GIC_INTNO_PPI0 16U
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| 87 | #define GIC_INTNO_SPI0 32U
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| 88 |
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| 89 | /*
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| 90 | * å²è¾¼ã¿åªå
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| 91 | 度ã®æä½
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| 92 | *
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| 93 | * å²è¾¼ã¿åªå
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| 94 | 度ã®å
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| 95 | é¨è¡¨ç¾ã¯ï¼uint_tåã§è¡¨ãï¼0ãæé«åªå
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| 96 | 度ã§ï¼å¤ã大ã
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| 97 | * ãã»ã©åªå
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| 98 | 度ãä¸ãããã®ã¨ããï¼GICã®ã¬ã¸ã¹ã¿æ§æã¨æ´åãããããã«ï¼
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| 99 | * åªå
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| 100 | 度ã®æ®µæ°ã256段éã®æã«ãããã¦è¡¨ãï¼
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| 101 | */
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| 102 | #define GIC_PRI_LEVEL (TMAX_INTPRI - TMIN_INTPRI + 2)
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| 103 |
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| 104 | #if GIC_PRI_LEVEL == 16
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| 105 | #define GIC_PRI_SHIFT 4
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| 106 | #define GIC_PRI_MASK UINT_C(0x0f)
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| 107 | #elif GIC_PRI_LEVEL == 32
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| 108 | #define GIC_PRI_SHIFT 3
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| 109 | #define GIC_PRI_MASK UINT_C(0x1f)
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| 110 | #elif GIC_PRI_LEVEL == 64
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| 111 | #define GIC_PRI_SHIFT 2
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| 112 | #define GIC_PRI_MASK UINT_C(0x3f)
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| 113 | #elif GIC_PRI_LEVEL == 128
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| 114 | #define GIC_PRI_SHIFT 1
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| 115 | #define GIC_PRI_MASK UINT_C(0x7f)
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| 116 | #elif GIC_PRI_LEVEL == 256
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| 117 | #define GIC_PRI_SHIFT 0
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| 118 | #define GIC_PRI_MASK UINT_C(0xff)
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| 119 | #else
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| 120 | #error Invalid number of priority levels for GIC.
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| 121 | #endif /* GIC_PRI_LEVEL == 16 */
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| 122 |
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| 123 | /* å¤é¨è¡¨ç¾ã¸ã®å¤æ */
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| 124 | #define EXT_IPM(pri) \
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| 125 | (((PRI)((pri) >> GIC_PRI_SHIFT)) - (GIC_PRI_LEVEL - 1))
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| 126 |
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| 127 | /* å
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| 128 | é¨è¡¨ç¾ã¸ã®å¤æ */
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| 129 | #define INT_IPM(ipm) \
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| 130 | (((uint_t)((ipm) + (GIC_PRI_LEVEL - 1))) << GIC_PRI_SHIFT)
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| 131 |
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| 132 | /*
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| 133 | * GICã¬ã¸ã¹ã¿ã®ã¢ãã¬ã¹ãå®ç¾©ããããã®ãã¯ã
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| 134 | *
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| 135 | * GICã¬ã¸ã¹ã¿ã®ã¢ãã¬ã¹ãï¼ã¢ã»ã³ããªè¨èªãããåç
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| 136 | §ã§ããããã«ããã
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| 137 | * ãã®ãã¯ãï¼
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| 138 | */
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| 139 | #ifndef GIC_REG
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| 140 | #define GIC_REG(base, offset) ((uint32_t *)((base) + (offset ## U)))
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| 141 | #endif /* GIC_REG */
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| 142 |
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| 143 | /*
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| 144 | * CPUã¤ã³ã¿ãã§ã¼ã¹é¢é£ã®å®ç¾©
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| 145 | */
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| 146 | #define GICC_CTLR GIC_REG(GICC_BASE, 0x00)
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| 147 | #define GICC_PMR GIC_REG(GICC_BASE, 0x04)
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| 148 | #define GICC_BPR GIC_REG(GICC_BASE, 0x08)
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| 149 | #define GICC_IAR GIC_REG(GICC_BASE, 0x0C)
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| 150 | #define GICC_EOIR GIC_REG(GICC_BASE, 0x10)
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| 151 | #define GICC_RPR GIC_REG(GICC_BASE, 0x14)
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| 152 | #define GICC_HPIR GIC_REG(GICC_BASE, 0x18)
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| 153 |
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| 154 | /*
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| 155 | * CPUã¤ã³ã¿ãã§ã¼ã¹å¶å¾¡ã¬ã¸ã¹ã¿ï¼GICC_CTLRï¼ã®è¨å®å¤ï¼GICv1ã§ã»ãã¥ãª
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| 156 | * ãã£æ¡å¼µããªãå ´åï¼
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| 157 | */
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| 158 | #define GICC_CTLR_DISABLE UINT_C(0x00)
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| 159 | #define GICC_CTLR_ENABLE UINT_C(0x01)
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| 160 |
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| 161 | /*
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| 162 | * CPUã¤ã³ã¿ãã§ã¼ã¹å¶å¾¡ã¬ã¸ã¹ã¿ï¼GICC_CTLRï¼ã®è¨å®å¤ï¼GICv2ã§ã»ãã¥ãª
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| 163 | * ãã£æ¡å¼µããªãå ´åãï¼æ¡å¼µãããå ´åã®ã»ãã¥ã¢ã¢ã¼ãï¼
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| 164 | */
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| 165 | #ifdef TOPPERS_SAFEG_SECURE
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| 166 | #define GICC_CTLR_ENABLEGRP0 UINT_C(0x01)
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| 167 | #define GICC_CTLR_ENABLEGRP1 UINT_C(0x02)
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| 168 | #define GICC_CTLR_FIQEN UINT_C(0x08)
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| 169 | #define GICC_CTLR_CBPR UINT_C(0x10)
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| 170 | #endif /* TOPPERS_SAFEG_SECURE */
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| 171 |
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| 172 | /*
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| 173 | * ãã£ã¹ããªãã¥ã¼ã¿é¢é£ã®å®ç¾©
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| 174 | */
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| 175 | #define GICD_CTLR GIC_REG(GICD_BASE, 0x000)
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| 176 | #define GICD_TYPER GIC_REG(GICD_BASE, 0x004)
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| 177 | #define GICD_IIDR GIC_REG(GICD_BASE, 0x008)
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| 178 | #define GICD_IGROUPR(n) GIC_REG(GICD_BASE, 0x080 + n * 4)
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| 179 | #define GICD_ISENABLER(n) GIC_REG(GICD_BASE, 0x100 + n * 4)
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| 180 | #define GICD_ICENABLER(n) GIC_REG(GICD_BASE, 0x180 + n * 4)
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| 181 | #define GICD_ISPENDR(n) GIC_REG(GICD_BASE, 0x200 + n * 4)
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| 182 | #define GICD_ICPENDR(n) GIC_REG(GICD_BASE, 0x280 + n * 4)
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| 183 | #define GICD_ISACTIVER(n) GIC_REG(GICD_BASE, 0x300 + n * 4)
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[305] | 184 | #define GICD_ICACTIVER(n) GIC_REG(GICD_BASE, 0x380 + n * 4)
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[302] | 185 | #define GICD_IPRIORITYR(n) GIC_REG(GICD_BASE, 0x400 + n * 4)
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| 186 | #define GICD_ITARGETSR(n) GIC_REG(GICD_BASE, 0x800 + n * 4)
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[305] | 187 | #define GICD_ICFGR(n) GIC_REG(GICD_BASE, 0xc00 + n * 4)
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[302] | 188 | #define GICD_NSCAR(n) GIC_REG(GICD_BASE, 0xe00 + n * 4)
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| 189 | #define GICD_SGIR GIC_REG(GICD_BASE, 0xf00)
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| 190 | #define GICD_CPENDSGIR(n) GIC_REG(GICD_BASE, 0xf10 + n * 4)
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| 191 | #define GICD_SPENDSGIR(n) GIC_REG(GICD_BASE, 0xf20 + n * 4)
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| 192 |
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| 193 | /*
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| 194 | * ãã£ã¹ããªãã¥ã¼ã¿å¶å¾¡ã¬ã¸ã¹ã¿ï¼GICD_CTLRï¼ã®è¨å®å¤
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| 195 | */
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| 196 | #define GICD_CTLR_DISABLE UINT_C(0x00)
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| 197 | #define GICD_CTLR_ENABLE UINT_C(0x01)
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| 198 |
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| 199 | /*
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| 200 | * å²è¾¼ã¿ã³ã³ãã£ã®ã¥ã¬ã¼ã·ã§ã³ã¬ã¸ã¹ã¿ï¼GICD_ICFGRnï¼ã®è¨å®å¤
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| 201 | *
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| 202 | * 第1ãããã¯ï¼ARM11 MPCoreã§ã¯å²è¾¼ã¿ã®éç¥å
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| 203 | ããã»ããµãè¨å®ãããã
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| 204 | * ã«ä½¿ç¨ããã¦ãããï¼GICv1ããã³GICv2ã§ã¯äºç´ãããã¨ãªã£ã¦ããï¼
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| 205 | */
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| 206 | #define GICD_ICFGRn_LEVEL UINT_C(0x00)
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| 207 | #define GICD_ICFGRn_EDGE UINT_C(0x02)
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| 208 | #ifdef GIC_ARM11MPCORE
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| 209 | #define GICD_ICFGRn_N_N UINT_C(0x00)
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| 210 | #define GICD_ICFGRn_1_N UINT_C(0x01)
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| 211 | #endif /* GIC_ARM11MPCORE */
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| 212 |
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| 213 | #ifndef TOPPERS_MACRO_ONLY
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| 214 |
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| 215 | /*
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| 216 | * CPUã¤ã³ã¿ãã§ã¼ã¹ã®æä½
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| 217 | */
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| 218 |
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| 219 | /*
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| 220 | * å²è¾¼ã¿åªå
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| 221 | 度ãã¹ã¯ãè¨å®ï¼priã¯å
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| 222 | é¨è¡¨ç¾ï¼
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| 223 | */
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| 224 | Inline void
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| 225 | gicc_set_priority(uint_t pri)
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| 226 | {
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| 227 | sil_wrw_mem(GICC_PMR, pri);
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| 228 | }
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| 229 |
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| 230 | /*
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| 231 | * å²è¾¼ã¿åªå
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| 232 | 度ãã¹ã¯ãåå¾ï¼å
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| 233 | é¨è¡¨ç¾ã§è¿ãï¼
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| 234 | */
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| 235 | Inline uint_t
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| 236 | gicc_get_priority(void)
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| 237 | {
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| 238 | return(sil_rew_mem(GICC_PMR));
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| 239 | }
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| 240 |
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| 241 | /*
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| 242 | * CPUã¤ã³ã¿ãã§ã¼ã¹ã®åæå
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| 243 | */
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| 244 | extern void gicc_initialize(void);
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| 245 |
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| 246 | /*
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| 247 | * CPUã¤ã³ã¿ãã§ã¼ã¹ã®çµäº
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| 248 | */
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| 249 | extern void gicc_terminate(void);
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| 250 |
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| 251 | /*
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| 252 | * ãã£ã¹ããªãã¥ã¼ã¿ã®æä½
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| 253 | */
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| 254 |
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| 255 | /*
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| 256 | * å²è¾¼ã¿ç¦æ¢ï¼å²è¾¼ã¿ã¤ãã¼ãã«ã®ã¯ãªã¢ï¼
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| 257 | */
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| 258 | Inline void
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| 259 | gicd_disable_int(INTNO intno)
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| 260 | {
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| 261 | sil_wrw_mem(GICD_ICENABLER(intno / 32), (1U << (intno % 32)));
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| 262 | }
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| 263 |
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| 264 | /*
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| 265 | * å²è¾¼ã¿è¨±å¯ï¼å²è¾¼ã¿ã¤ãã¼ãã«ã®ã»ããï¼
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| 266 | */
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| 267 | Inline void
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| 268 | gicd_enable_int(INTNO intno)
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| 269 | {
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| 270 | sil_wrw_mem(GICD_ISENABLER(intno / 32), (1U << (intno % 32)));
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| 271 | }
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| 272 |
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| 273 | /*
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| 274 | * å²è¾¼ã¿ãã³ãã£ã³ã°ã®ã¯ãªã¢
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| 275 | */
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| 276 | Inline void
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| 277 | gicd_clear_pending(INTNO intno)
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| 278 | {
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| 279 | sil_wrw_mem(GICD_ICPENDR(intno / 32), (1U << (intno % 32)));
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| 280 | }
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| 281 |
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| 282 | /*
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| 283 | * å²è¾¼ã¿ãã³ãã£ã³ã°ã®ã»ãã
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| 284 | */
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| 285 | Inline void
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| 286 | gicd_set_pending(INTNO intno)
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| 287 | {
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| 288 | sil_wrw_mem(GICD_ISPENDR(intno / 32), (1U << (intno % 32)));
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| 289 | }
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| 290 |
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| 291 | /*
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| 292 | * å²è¾¼ã¿ãã³ãã£ã³ã°ã®ãã§ãã¯
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| 293 | */
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| 294 | Inline bool_t
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| 295 | gicd_probe_pending(INTNO intno)
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| 296 | {
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| 297 | return((sil_rew_mem(GICD_ISPENDR(intno / 32)) & (1U << (intno % 32)))
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| 298 | != 0U);
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| 299 | }
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| 300 |
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| 301 | /*
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| 302 | * å²è¾¼ã¿ã®ã³ã³ãã£ã°ã¬ã¼ã·ã§ã³
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| 303 | */
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| 304 | Inline void
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| 305 | gicd_config(INTNO intno, uint_t config)
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| 306 | {
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| 307 | uint_t shift = (intno % 16) * 2;
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| 308 | uint32_t reg;
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| 309 |
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| 310 | reg = sil_rew_mem(GICD_ICFGR(intno / 16));
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| 311 | reg &= ~(0x03U << shift);
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| 312 | reg |= (config << shift);
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| 313 | sil_wrw_mem(GICD_ICFGR(intno / 16), reg);
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| 314 | }
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| 315 |
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| 316 | /*
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| 317 | * å²è¾¼ã¿ã°ã«ã¼ãã®è¨å®ï¼ã»ãã¥ãªãã£æ¡å¼µï¼
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| 318 | */
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| 319 | Inline void
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| 320 | gicd_config_group(INTNO intno, uint_t group)
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| 321 | {
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| 322 | uint_t shift = intno % 32;
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| 323 | uint32_t reg;
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| 324 |
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| 325 | reg = sil_rew_mem(GICD_IGROUPR(intno / 32));
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| 326 | reg &= ~(0x01U << shift);
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| 327 | reg |= (group << shift);
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| 328 | sil_wrw_mem(GICD_IGROUPR(intno / 32), reg);
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| 329 | }
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| 330 |
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| 331 | /*
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| 332 | * å²è¾¼ã¿è¦æ±ã©ã¤ã³ã«å¯¾ããå²è¾¼ã¿åªå
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| 333 | 度ã®è¨å®ï¼priã¯å
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| 334 | é¨è¡¨ç¾ï¼
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| 335 | */
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| 336 | Inline void
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| 337 | gicd_set_priority(INTNO intno, uint_t pri)
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| 338 | {
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| 339 | uint_t shift = (intno % 4) * 8;
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| 340 | uint32_t reg;
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| 341 |
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| 342 | reg = sil_rew_mem(GICD_IPRIORITYR(intno / 4));
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| 343 | reg &= ~(0xffU << shift);
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| 344 | reg |= (pri << shift);
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| 345 | sil_wrw_mem(GICD_IPRIORITYR(intno / 4), reg);
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| 346 | }
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| 347 |
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| 348 | /*
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| 349 | * å²è¾¼ã¿ã¿ã¼ã²ããããã»ããµã®è¨å®
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| 350 | *
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| 351 | * prcsã¯ï¼ã¿ã¼ã²ããã¨ããããã»ããµã表ããããã®ãããæ¯è«çåã§æ
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| 352 | * å®ããï¼
|
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| 353 | * ããã»ããµ0 : 0x01
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| 354 | * ããã»ããµ1 : 0x02
|
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| 355 | * ããã»ããµ2 : 0x04
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| 356 | * ããã»ããµ3 : 0x08
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| 357 | */
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| 358 | Inline void
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| 359 | gicd_set_target(INTNO intno, uint_t prcs)
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| 360 | {
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| 361 | uint_t shift = (intno % 4) * 8;
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| 362 | uint32_t reg;
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| 363 |
|
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| 364 | reg = sil_rew_mem(GICD_ITARGETSR(intno / 4));
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| 365 | reg &= ~(0xffU << shift);
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| 366 | reg |= (prcs << shift);
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| 367 | sil_wrw_mem(GICD_ITARGETSR(intno / 4), reg);
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| 368 | }
|
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| 369 |
|
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| 370 | /*
|
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| 371 | * ãã£ã¹ããªãã¥ã¼ã¿ã®åæå
|
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| 372 | */
|
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| 373 | extern void gicd_initialize(void);
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| 374 |
|
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| 375 | /*
|
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| 376 | * ãã£ã¹ããªãã¥ã¼ã¿ã®çµäº
|
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| 377 | */
|
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| 378 | extern void gicd_terminate(void);
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| 379 |
|
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| 380 | #endif /* TOPPERS_MACRO_ONLY */
|
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| 381 |
|
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| 382 | /*
|
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| 383 | * å²è¾¼ã¿çªå·ã®ç¯å²ã®å¤å®
|
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| 384 | */
|
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| 385 | #define VALID_INTNO(intno) (TMIN_INTNO <= (intno) && (intno) <= TMAX_INTNO)
|
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| 386 |
|
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| 387 | /*
|
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| 388 | * å²è¾¼ã¿è¦æ±ã©ã¤ã³ã®ããã®æ¨æºçãªåæåæ
|
---|
| 389 | å ±ãçæãã
|
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| 390 | */
|
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| 391 | #define USE_INTINIB_TABLE
|
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| 392 |
|
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| 393 | /*
|
---|
| 394 | * å²è¾¼ã¿è¦æ±ã©ã¤ã³è¨å®ãã¼ãã«ãçæãã
|
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| 395 | */
|
---|
| 396 | #define USE_INTCFG_TABLE
|
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| 397 |
|
---|
| 398 | /*
|
---|
| 399 | * ã³ã¢ä¾åé¨
|
---|
| 400 | */
|
---|
| 401 | #include "core_kernel_impl.h"
|
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| 402 |
|
---|
| 403 | /*
|
---|
| 404 | * ã¿ã¼ã²ããéä¾åé¨ã«æä¾ããé¢æ°
|
---|
| 405 | */
|
---|
| 406 | #ifndef TOPPERS_MACRO_ONLY
|
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| 407 |
|
---|
| 408 | /*
|
---|
| 409 | * å²è¾¼ã¿åªå
|
---|
| 410 | 度ãã¹ã¯ã®è¨å®
|
---|
| 411 | */
|
---|
| 412 | Inline void
|
---|
| 413 | t_set_ipm(PRI intpri)
|
---|
| 414 | {
|
---|
| 415 | gicc_set_priority(INT_IPM(intpri));
|
---|
| 416 | }
|
---|
| 417 |
|
---|
| 418 | /*
|
---|
| 419 | * å²è¾¼ã¿åªå
|
---|
| 420 | 度ãã¹ã¯ã®åç
|
---|
| 421 | §
|
---|
| 422 | */
|
---|
| 423 | Inline PRI
|
---|
| 424 | t_get_ipm(void)
|
---|
| 425 | {
|
---|
| 426 | return(EXT_IPM(gicc_get_priority()));
|
---|
| 427 | }
|
---|
| 428 |
|
---|
| 429 | /*
|
---|
| 430 | * å²è¾¼ã¿è¦æ±ç¦æ¢ãã©ã°ã®ã»ãã
|
---|
| 431 | *
|
---|
| 432 | * intnoã§æå®ãããå²è¾¼ã¿è¦æ±ã©ã¤ã³ã«å¯¾ããå²è¾¼ã¿è¦æ±ç¦æ¢ãã©ã°ã®ã»ã
|
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| 433 | * ããï¼å²è¾¼ã¿ãç¦æ¢ããï¼å²è¾¼ã¿å±æ§ãè¨å®ããã¦ããªãå²è¾¼ã¿è¦æ±ã©ã¤
|
---|
| 434 | * ã³ãæå®ãããå ´åã«ã¯ï¼falseãè¿ãï¼
|
---|
| 435 | */
|
---|
| 436 | Inline bool_t
|
---|
| 437 | disable_int(INTNO intno)
|
---|
| 438 | {
|
---|
| 439 | if (intcfg_table[intno] == 0U) {
|
---|
| 440 | return(false);
|
---|
| 441 | }
|
---|
| 442 | gicd_disable_int(intno);
|
---|
| 443 | return(true);
|
---|
| 444 | }
|
---|
| 445 |
|
---|
| 446 | /*
|
---|
| 447 | * å²è¾¼ã¿è¦æ±ç¦æ¢ãã©ã°ã®ã¯ãªã¢
|
---|
| 448 | *
|
---|
| 449 | * intnoã§æå®ãããå²è¾¼ã¿è¦æ±ã©ã¤ã³ã«å¯¾ããå²è¾¼ã¿è¦æ±ç¦æ¢ãã©ã°ã®ã¯ãª
|
---|
| 450 | * ã¢ãï¼å²è¾¼ã¿ã許å¯ããï¼å²è¾¼ã¿å±æ§ãè¨å®ããã¦ããªãå²è¾¼ã¿è¦æ±ã©ã¤
|
---|
| 451 | * ã³ãæå®ãããå ´åã«ã¯ï¼falseãè¿ãï¼
|
---|
| 452 | */
|
---|
| 453 | Inline bool_t
|
---|
| 454 | enable_int(INTNO intno)
|
---|
| 455 | {
|
---|
| 456 | if (intcfg_table[intno] == 0U) {
|
---|
| 457 | return(false);
|
---|
| 458 | }
|
---|
| 459 | gicd_enable_int(intno);
|
---|
| 460 | return(true);
|
---|
| 461 | }
|
---|
| 462 |
|
---|
| 463 | /*
|
---|
| 464 | * å²è¾¼ã¿è¦æ±ã®ã¯ãªã¢
|
---|
| 465 | */
|
---|
| 466 | Inline void
|
---|
| 467 | clear_int(INTNO intno)
|
---|
| 468 | {
|
---|
| 469 | gicd_clear_pending(intno);
|
---|
| 470 | }
|
---|
| 471 |
|
---|
| 472 | /*
|
---|
| 473 | * å²è¾¼ã¿è¦æ±ã®ãã§ãã¯
|
---|
| 474 | */
|
---|
| 475 | Inline bool_t
|
---|
| 476 | probe_int(INTNO intno)
|
---|
| 477 | {
|
---|
| 478 | return(gicd_probe_pending(intno));
|
---|
| 479 | }
|
---|
| 480 |
|
---|
| 481 | #endif /* TOPPERS_MACRO_ONLY */
|
---|
| 482 | #endif /* TOPPERS_GIC_KERNEL_IMPL_H */
|
---|