[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, 2007 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_context.h,v 1.4 2007/03/23 07:08:04 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 | * ã¿ã¹ã¯ã³ã³ããã¹ãæä½ã«ã¼ãã³ï¼M16Cç¨ï¼
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| 60 | *
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| 61 | * ãã®ãã¡ã¤ã«ã cpu_config.h ã¨åé¢ãã¦ããã®ã¯ï¼ãã®ãã¡ã¤ã«ã¯ TCB
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| 62 | * ãå®ç¾©ãããå¾ã«èªãå¿
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| 63 | è¦ãããã®ã«å¯¾ãã¦ï¼cpu_config.h ã«ã¯ TCB ã
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| 64 | * å®ç¾©ããåã«èªãå¿
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| 65 | è¦ãããå®ç¾©ãå«ãã§ããããã§ããï¼
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| 66 | */
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| 67 |
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| 68 | #ifndef _CPU_CONTEXT_H_
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| 69 | #define _CPU_CONTEXT_H_
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| 70 |
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| 71 | #include "task.h"
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| 72 |
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| 73 | #ifndef _MACRO_ONLY
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| 74 |
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| 75 | /*
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| 76 | * ã¿ã¹ã¯ã³ã³ããã¹ãã®åæå
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| 77 | *
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| 78 | * ã¿ã¹ã¯ãä¼æ¢ç¶æ
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| 79 | ã«ç§»è¡ããæï¼ã¿ã¹ã¯ã®çææï¼ã¿ã¹ã¯ã®çµäºæï¼ã«å¼
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| 80 | * ã°ããï¼åºæ¬çã«ã¯ï¼ã¿ã¹ã¯ã³ã³ããã¹ããã¿ã¹ã¯ãèµ·åã§ããç¶æ
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| 81 | ã«è¨
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| 82 | * å®ããå¦çãï¼create_context 㨠activate_context ã§è¡ãã°ããï¼
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| 83 | */
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| 84 | Inline void
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| 85 | create_context(TCB *tcb)
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| 86 | {
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| 87 | }
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| 88 |
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| 89 | /*
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| 90 | * ã¿ã¹ã¯ã®èµ·åæºå
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| 91 | *
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| 92 | * ã¿ã¹ã¯ãä¼æ¢ç¶æ
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| 93 | ããå®è¡ã§ããç¶æ
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| 94 | ã«ç§»è¡ããæã«å¼ã°ããï¼
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| 95 | */
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| 96 | extern void activate_r(void);
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| 97 |
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| 98 | Inline void
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| 99 | activate_context(TCB *tcb)
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| 100 | {
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| 101 | VW *sp;
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| 102 | VW return_point = (VW)ext_tsk;
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| 103 |
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| 104 | sp = (VW *)(((VB *) tcb->tinib->stk) + tcb->tinib->stksz);
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| 105 |
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| 106 | *--sp = (VW)(tcb->tinib->exinf);
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| 107 | sp = (VW *)((VB*)sp - 1);
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| 108 | *(VB*)sp = (VB)(return_point >> 16);
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| 109 | sp = (VW *)((VH*)sp - 1);
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| 110 | *(VH*)sp = (VH)return_point;
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| 111 | *--sp = (VW)(tcb->tinib->task);
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| 112 |
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| 113 | tcb->tskctxb.pc = activate_r; /* cpu_support.a30 */
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| 114 | tcb->tskctxb.sp = sp;
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| 115 | }
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| 116 |
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| 117 | /*
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| 118 | * ext_tsk ãã¹ã¿ãã¯ä¸ã«ç¢ºä¿ããããã¼é åã®ãµã¤ãº
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| 119 | */
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| 120 | #define ACTIVATED_STACK_SIZE (sizeof(VW) * 3)
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| 121 |
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| 122 | /*
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| 123 | * calltex ã使ç¨ããªã
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| 124 | */
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| 125 | #define OMIT_CALLTEX
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| 126 |
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| 127 | #endif /* _MACRO_ONLY */
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| 128 | #endif /* _CPU_CONTEXT_H_ */
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