[363] | 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) 2000-2003 by Embedded and Real-Time Systems Laboratory
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| 7 | * Toyohashi Univ. of Technology, JAPAN
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| 8 | * Copyright (C) 2003-2004 by Naoki Saito
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| 9 | * Nagoya Municipal Industrial Research Institute, JAPAN
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| 10 | * Copyright (C) 2003-2004 by Ryosuke Takeuchi
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| 11 | * Platform Development Center RICOH COMPANY,LTD. 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 | * @(#) $Id: cpu_config.h,v 1.4 2006/08/03 04:15:57 honda Exp $
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| 55 | */
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| 56 |
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| 57 |
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| 58 | /*
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| 59 | * ããã»ããµä¾åã¢ã¸ã¥ã¼ã«ï¼M16Cç¨ï¼
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| 60 | *
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| 61 | * ãã®ã¤ã³ã¯ã«ã¼ããã¡ã¤ã«ã¯ï¼t_config.h ã®ã¿ããã¤ã³ã¯ã«ã¼ããããï¼
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| 62 | * ä»ã®ãã¡ã¤ã«ããç´æ¥ã¤ã³ã¯ã«ã¼ããã¦ã¯ãªããªãï¼
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| 63 | */
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| 64 |
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| 65 | #ifndef _CPU_CONFIG_H_
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| 66 | #define _CPU_CONFIG_H_
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| 67 |
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| 68 | #ifdef NEED_API
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| 69 | #include "api.h"
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| 70 | #endif /* NEED_API */
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| 71 |
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| 72 | /*
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| 73 | * ã«ã¼ãã«ã®å
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| 74 | é¨èå¥åã®ãªãã¼ã
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| 75 | */
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| 76 | #include <cpu_rename.h>
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| 77 |
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| 78 | /*
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| 79 | * ããã»ããµã®ç¹æ®å½ä»¤ã®ã¤ã³ã©ã¤ã³é¢æ°å®ç¾©
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| 80 | */
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| 81 | #ifndef _MACRO_ONLY
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| 82 | #include <cpu_insn.h>
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| 83 | #endif /* _MACRO_ONLY */
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| 84 |
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| 85 | /*
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| 86 | * TCB ä¸ã®ãã£ã¼ã«ãã®ãããå¹
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| 87 | ã®å®ç¾©
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| 88 | *
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| 89 | * cpu_context.h ã«å
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| 90 | ¥ããæ¹ãã¨ã¬ã¬ã³ãã ãï¼åç
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| 91 | §ã®ä¾åæ§ã®é¢ä¿ã§ï¼
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| 92 | * cpu_context.h ã«ã¯å
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| 93 | ¥ããããªãï¼
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| 94 | */
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| 95 | #define TBIT_TCB_TSTAT 8 /* tstat ãã£ã¼ã«ãã®ãããå¹
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| 96 | */
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| 97 | #define TBIT_TCB_PRIORITY 4 /* priority ãã£ã¼ã«ãã®ãããå¹
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| 98 | */
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| 99 |
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| 100 | #ifndef _MACRO_ONLY
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| 101 |
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| 102 | /*
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| 103 | * ã¿ã¹ã¯ã³ã³ããã¹ããããã¯ã®å®ç¾©
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| 104 | */
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| 105 | typedef struct task_context_block {
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| 106 | void *sp; /* ã¹ã¿ãã¯ãã¤ã³ã¿(nearåºå®) */
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| 107 | FP pc; /* ããã°ã©ã ã«ã¦ã³ã¿ */
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| 108 | } CTXB;
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| 109 |
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| 110 | /*
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| 111 | * å²è¾¼ã¿/CPUä¾å¤ãã¹ãã«ã¦ã³ã¿
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| 112 | */
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| 113 | extern char intnest;
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| 114 |
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| 115 | /*
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| 116 | * ã·ã¹ãã ç¶æ
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| 117 | ã®åç
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| 118 | §
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| 119 | */
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| 120 |
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| 121 | /*
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| 122 | * ç¾å¨ã®ã³ã³ããã¹ããè¿ãé¢æ°.
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| 123 | * éã¿ã¹ã¯ã³ã³ããã¹ããªãTRUEãè¿ã.
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| 124 | */
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| 125 | Inline BOOL
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| 126 | sense_context(void)
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| 127 | {
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| 128 | /* ãã¹ãã«ã¦ã³ã¿0ãã大ãªãéã¿ã¹ã¯ã³ã³ããã¹ã */
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| 129 | return(intnest > 0);
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| 130 | }
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| 131 |
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| 132 | /*
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| 133 | * ç¾å¨ã®CPUããã¯ç¶æ
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| 134 | ãè¿ãé¢æ°.
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| 135 | * CPUããã¯ç¶æ
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| 136 | ãªãTRUEãè¿ã.
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| 137 | */
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| 138 | Inline BOOL
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| 139 | sense_lock(void)
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| 140 | {
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| 141 | return((current_flgreg() & FLG_I_MASK) == 0);
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| 142 | }
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| 143 |
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| 144 | #define t_sense_lock sense_lock
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| 145 | #define i_sense_lock sense_lock
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| 146 |
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| 147 | /*
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| 148 | * CPUããã¯ã¨ãã®è§£é¤
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| 149 | */
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| 150 | Inline void
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| 151 | lock_cpu(void)
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| 152 | {
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| 153 | disint();
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| 154 | }
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| 155 |
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| 156 | Inline void
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| 157 | unlock_cpu(void)
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| 158 | {
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| 159 | enaint();
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| 160 | }
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| 161 |
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| 162 | #define t_lock_cpu lock_cpu
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| 163 | #define i_lock_cpu lock_cpu
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| 164 | #define t_unlock_cpu unlock_cpu
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| 165 | #define i_unlock_cpu unlock_cpu
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| 166 |
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| 167 | /*
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| 168 | * ã¿ã¹ã¯ãã£ã¹ãããã£
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| 169 | */
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| 170 |
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| 171 | /*
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| 172 | * æé«åªå
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| 173 | é ä½ã¿ã¹ã¯ã¸ã®ãã£ã¹ãããï¼cpu_support.a30ï¼
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| 174 | *
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| 175 | * dispatch ã¯ï¼ã¿ã¹ã¯ã³ã³ããã¹ãããå¼ã³åºããã
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| 176 | * ãµã¼ãã¹ã³ã¼ã«å¦çã®ä¸ããï¼CPUããã¯ç¶æ
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| 177 | ã§å¼ã³åºããªããã°ãªããªãï¼
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| 178 | */
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| 179 | extern void dispatch(void);
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| 180 |
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| 181 | /*
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| 182 | * ç¾å¨ã®ã³ã³ããã¹ããæ¨ã¦ã¦ãã£ã¹ããã(cpu_support.a30)
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| 183 | * exit_and_dispatch ã¯ï¼CPUããã¯ç¶æ
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| 184 | ã§å¼ã³åºããªããã°ãªããªãï¼
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| 185 | */
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| 186 | extern void exit_and_dispatch(void);
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| 187 |
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| 188 | /*
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| 189 | * å²è¾¼ã¿ãã³ãã©ï¼CPUä¾å¤ãã³ãã©ã®è¨å®
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| 190 | */
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| 191 |
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| 192 | /*
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| 193 | * å²è¾¼ã¿ãã³ãã©ã®è¨å®
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| 194 | *
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| 195 | * ãã¯ãã«çªå· inhno ã®å²è¾¼ã¿ãã³ãã©ã®èµ·åçªå°ã inthdr ã«è¨å®ããï¼
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| 196 | * å²è¾¼ã¿ãã³ãã©ãç»é²ãããã¯ã¿ãã¼ãã«ã¯ROMä¸ã«åã,
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| 197 | * ããã«æ¸ãè¾¼ã. ãã®ããããã§ã¯ä½ãããªãï¼
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| 198 | */
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| 199 |
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| 200 | Inline void
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| 201 | define_inh(INHNO inhno, FP inthdr)
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| 202 | {
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| 203 | }
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| 204 |
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| 205 | /*
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| 206 | * CPUä¾å¤ãã³ãã©ã®è¨å®
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| 207 | *
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| 208 | * ãã¯ãã«çªå· excno ã®CPUä¾å¤ãã³ãã©ã®èµ·åçªå°ã exchdr ã«è¨å®ããï¼
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| 209 | * å²è¾¼ã¿ãã³ãã©ãç»é²ãããã¯ã¿ãã¼ãã«ã¯ROMä¸ã«åã,
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| 210 | * ããã«æ¸ãè¾¼ã. ãã®ããããã§ã¯ä½ãããªãï¼
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| 211 | */
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| 212 | Inline void
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| 213 | define_exc(EXCNO excno, FP exchdr)
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| 214 | {
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| 215 | }
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| 216 |
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| 217 | /*
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| 218 | * å²è¾¼ã¿ãã³ãã©ï¼CPUä¾å¤ãã³ãã©ã®åºå
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| 219 | ¥å£å¦ç
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| 220 | *
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| 221 | * å²è¾¼ã¿ï¼CPUä¾å¤ãçºçæã®CPUã®ç¶æ
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| 222 | ã¯æ¬¡ã®ã¨ãã.
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| 223 | *
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| 224 | * FLGã¬ã¸ã¹ã¿ã®Iããã㯠0(å²è¾¼ã¿ç¦æ¢)
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| 225 | * FLGã¬ã¸ã¹ã¿ã®IPLã¯åãä»ããå²è¾¼ã¿ã®IPL
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| 226 | * FLGã¬ã¸ã¹ã¿ã®Uãããã¯, å²è¾¼ã¿ã®ç¨®é¡ã«ãã£ã¦ç°ãªãã,
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| 227 | * ã«ã¼ãã«ã§ã¯ISPã®ã¿ã使ç¨ã, USPã使ç¨ãã¦ããªããã,
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| 228 | * ããã§ã¯åé¡ã¨ãªããªã.
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| 229 | *
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| 230 | * å²è¾¼ã¿/ä¾å¤çºçæã«ã¯, èªåçã« FLG, PCãã¹ã¿ãã¯ã¸ä¿åããã.
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| 231 | * åºå
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| 232 | ¥ãå£å¦çã§ã¯ã¾ãæ®ãã®ã¬ã¸ã¹ã¿ãã¹ã¿ãã¯ã«ä¿åãã.
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| 233 | * å段ã®å²è¾¼ã¿ã®å ´åã¯ã¿ã¹ã¯ã®ã¹ã¿ãã¯ã«,
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| 234 | * å¤éå²ãè¾¼ã¿ã®å ´åã¯å²è¾¼ã¿ç¨ã®ã¹ã¿ãã¯ã«, ããããä¿åããã.
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| 235 | *
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| 236 | * ãã®å¾, ã¹ã¿ãã¯ãã¤ã³ã¿ã®å¤ã r1 ã«,
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| 237 | * å²è¾¼ã¿ãã³ãã©ã®ã¢ãã¬ã¹ã a1 㨠a0 ã«æ ¼ç´ããç¶æ
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| 238 | ã§
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| 239 | * å²è¾¼ã¿åºå
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| 240 | ¥å£å¦çã®å¾åã¸ã¸ã£ã³ããã.
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| 241 | */
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| 242 |
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| 243 | /*
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| 244 | * å²è¾¼ã¿ãã³ãã©ã®åºå
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| 245 | ¥å£å¦çã®çæãã¯ã
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| 246 | *
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| 247 | * å²è¾¼ã¿çºçæãå®è¡ä¸ã®ã¬ã¸ã¹ã¿ã®å¤ãã¹ã¿ãã¯ã«éé¿ããï¼ãã®å¾ãã¹
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| 248 | * ã¿ãã¯ã®å¤ãR1ã¬ã¸ã¹ã¿ã«ã»ãããã¢ã»ã³ãã©ã§è¨è¿°ããããã³ããªã³ã°
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| 249 | * ããã°ã©ã ã«åå²ããï¼
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| 250 | */
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| 251 |
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| 252 | #define INTHDR_ENTRY(inthdr)\
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| 253 | extern void inthdr##_entry(void);\
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| 254 | asm(" .glb _" #inthdr " ");\
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| 255 | asm(" .glb __kernel_interrupt ");\
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| 256 | asm(" .section program, code, align ");\
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| 257 | asm("_" #inthdr "_entry: ");\
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| 258 | asm(" pushm r0,r1,r2,r3,a0,a1,sb,fb ; ã¬ã¸ã¹ã¿ãã¿ã¹ã¯ã¹ã¿ãã¯ã¸éé¿");\
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| 259 | asm(" stc isp, r1 ; ã¹ã¿ãã¯ãã¤ã³ã¿ãåãåºã ");\
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| 260 | asm(" mov.w #_" #inthdr "&0ffffh, a0; å²è¾¼ã¿ãã³ãã©ã®ä¸ä½2ãã¤ã ");\
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| 261 | asm(" mov.w #_" #inthdr ">>16, a1 ; å²è¾¼ã¿ãã³ãã©ã®ä¸ä½2ãã¤ã ");\
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| 262 | asm(" jmp __kernel_interrupt ; å²è¾¼ã¿å¦çã«ã¼ãã³å¾å㸠");
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| 263 |
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| 264 | #define INT_ENTRY(inthdr) inthdr##_entry
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| 265 |
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| 266 | /*
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| 267 | * CPUä¾å¤ãã³ãã©ã®åºå
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| 268 | ¥å£å¦çã®çæãã¯ã
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| 269 | *
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| 270 | * CPUä¾å¤ãã³ãã©ã®åºæ¬çãªå¦çã¯å²è¾¼ã¿ãã³ãã©ã¨å
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| 271 | ±æããï¼å²è¾¼ã¿ã
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| 272 | * ã³ãã©ã¨ã®éãã¯ã¹ã¿ãã¯å¤ãéé¿ããR1ã¬ã¸ã¹ã¿ã®å¤ãp_excinfã¨ãã¦
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| 273 | * 使ç¨ããããããªããã®å·®ç°ã®ã¿ã§ãï¼
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| 274 | */
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| 275 |
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| 276 | #define EXCHDR_ENTRY(exchdr)\
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| 277 | extern void exchdr##_entry(void);\
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| 278 | asm(" .glb $" #exchdr " ");\
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| 279 | asm(" .glb __kernel_interrupt ");\
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| 280 | asm(" .section program, code, align ");\
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| 281 | asm("_" #exchdr "_entry: ");\
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| 282 | asm(" pushm r0,r1,r2,r3,a0,a1,sb,fb ; ã¬ã¸ã¹ã¿ãã¿ã¹ã¯ã¹ã¿ãã¯ã¸éé¿");\
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| 283 | asm(" stc isp, r1 ; ã¹ã¿ãã¯ãã¤ã³ã¿ãåãåºã ");\
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| 284 | asm(" mov.w #$" #exchdr "&0ffffh, a0; å²è¾¼ã¿ãã³ãã©ã®ä¸ä½2ãã¤ã ");\
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| 285 | asm(" mov.w #$" #exchdr ">>16, a1 ; å²è¾¼ã¿ãã³ãã©ã®ä¸ä½2ãã¤ã ");\
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| 286 | asm(" jmp __kernel_interrupt ; å²è¾¼ã¿å¦çã«ã¼ãã³å¾å㸠");
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| 287 |
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| 288 | #define EXC_ENTRY(exchdr) exchdr##_entry
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| 289 |
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| 290 | /*
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| 291 | * CPUä¾å¤ã®çºçããæã®ã·ã¹ãã ç¶æ
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| 292 | ã®åç
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| 293 | §
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| 294 | */
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| 295 |
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| 296 | /*
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| 297 | * CPUä¾å¤ã®çºçããæã®ã³ã³ããã¹ãã®åç
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| 298 | §
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| 299 | */
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| 300 | Inline BOOL
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| 301 | exc_sense_context(VP p_excinf)
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| 302 | {
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| 303 | /*
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| 304 | * ãã¹ãã«ã¦ã³ã¿ã1ãã大ãªãéã¿ã¹ã¯ã³ã³ããã¹ã
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| 305 | */
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| 306 | return( intnest > 1);
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| 307 | }
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| 308 |
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| 309 | /*
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| 310 | * CPUä¾å¤ã®çºçããæã®CPUããã¯ç¶æ
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| 311 | ã®åç
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| 312 | §
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| 313 | */
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| 314 | Inline BOOL
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| 315 | exc_sense_lock(VP p_excinf)
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| 316 | {
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| 317 | /*
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| 318 | * ä¾å¤çºçåã®FLGã¬ã¸ã¹ã¿Iãããã0ãªãCPUããã¯ç¶æ
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| 319 |
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| 320 | *
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| 321 | * ä¸å¼ã®å®æ°18ã¯CPUä¾å¤å
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| 322 | ¥ãå£å¦çã§ã¬ã¸ã¹ã¿ãã¹ã¿ãã¯ã«ã©ã
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| 323 | * ä¿åããã¦ãããã«ä¾åãã¦æ±ºå®ããæ°å¤
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| 324 | */
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| 325 | return( ( *(char *)((char *)p_excinf+18) & FLG_I_MASK ) == 0);
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| 326 | }
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| 327 |
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| 328 | /*
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| 329 | * ããã»ããµä¾åã®åæå(cpu_config.c)
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| 330 | */
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| 331 | extern void cpu_initialize(void);
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| 332 |
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| 333 | /*
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| 334 | * ããã»ããµä¾åã®çµäºæå¦ç(cpu_config.c)
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| 335 | */
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| 336 | extern void cpu_terminate(void);
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| 337 |
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| 338 | /*
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| 339 | * å²ãè¾¼ã¿å¶å¾¡ã¬ã¸ã¹ã¿å²ãè¾¼ã¿åªå
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| 340 | 度å¤æ´
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| 341 | */
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| 342 | extern void set_ic_ilvl(VP addr, UB val);
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| 343 |
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| 344 | #endif /* _MACRO_ONLY */
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| 345 | #endif /* _CPU_CONFIG_H_ */
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