| 1 | /*
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| 2 | * TOPPERS/JSP Kernel
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
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| 4 | * Just Standard Profile Kernel
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| 5 | *
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| 6 | * Copyright (C) 2000-2004 by Embedded and Real-Time Systems Laboratory
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| 7 | * Toyohashi Univ. of Technology, JAPAN
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| 8 | * Copyright (C) 2001-2004 by Dep. of Computer Science and Engineering
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| 9 | * Tomakomai National College of Technology, JAPAN
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| 10 | * Copyright (C) 2001-2007 by Industrial Technology Institute,
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| 11 | * Miyagi Prefectural Government, JAPAN
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| 12 | *
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| 13 | * ä¸è¨èä½æ¨©è
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| 14 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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| 15 | * ã«ãã£ã¦å
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| 16 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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| 17 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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| 18 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 19 | å¸ï¼ä»¥ä¸ï¼
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| 20 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 21 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 22 | * 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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| 23 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 24 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 25 | * ç¨ã§ããå½¢ã§åé
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| 26 | å¸ããå ´åã«ã¯ï¼åé
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| 27 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 28 | * è
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| 29 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 30 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 31 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 32 | * ç¨ã§ããªãå½¢ã§åé
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| 33 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 34 | * ã¨ï¼
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| 35 | * (a) åé
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| 36 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 37 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 38 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 39 | * (b) åé
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| 40 | å¸ã®å½¢æ
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| 41 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 42 | * å ±åãããã¨ï¼
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| 43 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 44 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 45 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 46 | 責ãããã¨ï¼
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| 47 | *
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| 48 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 49 | ã
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| 50 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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| 51 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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| 52 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 53 | */
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| 54 |
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| 55 | #ifndef _UTIL_H_
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| 56 | #define _UTIL_H_
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| 57 |
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| 58 | /*
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| 59 | * ãã®ããããã¡ã¤ã«ã«å«ã¾ãã¦ãããã¯ãã¯ãååã¨ãã¦ãã«ã¼ãã«éçºè
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| 60 | ã«å¯¾ãã¦
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| 61 | * å
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| 62 | ¬éããã¦ãããã®ã§ããããã®ããããã©ã¡ã¼ã¿ãã§ãã¯ãªã©ãä¸ååã§ããã
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| 63 | * ã¦ã¼ã¶ã¼ã«ãã£ã¦ã¯ãèªå·±è²¬ä»»ã«ããã¦å©ç¨ãããã¨ã
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| 64 | */
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| 65 |
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| 66 | /*
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| 67 | * ãããçªå·ã®å®ç¾©
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| 68 | */
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| 69 | #define BIT0 0x1
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| 70 | #define BIT1 0x2
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| 71 | #define BIT2 0x4
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| 72 | #define BIT3 0x8
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| 73 | #define BIT4 0x10
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| 74 | #define BIT5 0x20
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| 75 | #define BIT6 0x40
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| 76 | #define BIT7 0x80
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| 77 | #define BIT8 0x100
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| 78 | #define BIT9 0x200
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| 79 | #define BIT10 0x400
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| 80 | #define BIT11 0x800
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| 81 | #define BIT12 0x1000
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| 82 | #define BIT13 0x2000
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| 83 | #define BIT14 0x4000
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| 84 | #define BIT15 0x8000
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| 85 |
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| 86 | #define DUMMY 0
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| 87 |
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| 88 | /*
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| 89 | * ãã¤ããã¼ã¿æä½ç¨ãã¯ã
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| 90 | */
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| 91 | /* 以ä¸ã«ããã¦ãxï¼ä¸å® */
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| 92 |
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| 93 | /* 以ä¸ã®ãããªæ¸ãæ¹ã¨ãã©ã£ã¡ãè¯ããï¼
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| 94 | (UH) (((UW) (c)) & 0x0000ffff)
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| 95 | (UH) (((UW) (c)) & 0xffff0000) >> 16
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| 96 | */
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| 97 |
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| 98 | /* (UH) xxaa -> (UB) aa */ /* ä¸ä½1ãã¤ãåãåºã */
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| 99 | #define LO8(c) (UB)( (UH)(c) & 0xff )
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| 100 | /* (UH) aaxx -> (UB) aa */ /* ä¸ä½1ãã¤ãåãåºã */
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| 101 | #define HI8(c) LO8( (UH)(c) >> 8 )
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| 102 |
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| 103 | /* (UW) xxxxaaaa -> (UH) aaaa */ /* ä¸ä½2ãã¤ãåãåºã */
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| 104 | #define LO16(c) (UH)( (UW)(c) & 0xffff )
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| 105 | /* (UW) aaaaxxxx -> (UH) aaaa */ /* ä¸ä½2ãã¤ãåãåºã */
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| 106 | #define HI16(c) LO16( (UW)(c) >> 16 )
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| 107 |
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| 108 | /* (UH) aaaa, (UH) bbbb -> (UW) aaaabbbb */ /* 2ãã¤ããã¼ã¿ã®çµå */
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| 109 | #define JOIN16(hi, lo) (UW)( ((UW)(hi) << 16) | (lo) )
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| 110 | /* (UB) aa, (UB) bb -> (UH) aabb */ /* 1ãã¤ããã¼ã¿ã®çµå */
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| 111 | #define JOIN8(hi, lo) (UH)( ((UH)(hi) << 8) | (lo) )
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| 112 |
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| 113 | /* (BIN) : ï¼é²æ° */
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| 114 | /* (BIN) xxxxaaaa -> (BIN) 0000aaaa */ /* 0-3ãããã«é
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| 115 | ç½® */
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| 116 | #define TO_LO4(c) ( (UB)(c) & 0xf )
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| 117 | /* (BIN) xxxxaaaa -> (BIN) aaaa0000 */ /* 4-7ãããã«é
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| 118 | ç½® */
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| 119 | #define TO_HI4(c) (((UB)(c) << 4) & 0xf0)
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| 120 |
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| 121 | /*
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| 122 | * ã·ã³ãã«åã®çµå
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| 123 | */
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| 124 | #define JOINT(a,b) _JOINT(a,b)
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| 125 | #define _JOINT(a,b) a##b
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| 126 |
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| 127 | #define JOINT3(a,b,c) _JOINT3(a,b,c)
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| 128 | #define _JOINT3(a,b,c) JOINT(a,JOINT(b,c))
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| 129 |
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| 130 | #define JOINT4(a,b,c,d) _JOINT4(a,b,c,d)
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| 131 | #define _JOINT4(a,b,c,d) JOINT(a,JOINT3(b,c,d))
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| 132 |
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| 133 | #endif /* _UTIL_H_ */
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