[363] | 1 |
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| 2 | ï¼ TOPPERS/JSPã«ã¼ãã« ã¦ã¼ã¶ãºããã¥ã¢ã« ï¼
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| 3 | ï¼MIPS3 ã¿ã¼ã²ããä¾åé¨ï¼
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| 4 |
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| 5 | ï¼Release 1.4.1 対å¿ï¼æçµæ´æ°: 9-Aug-2004ï¼
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| 6 |
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| 7 | ------------------------------------------------------------------------
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| 8 | TOPPERS/JSP Kernel
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| 9 | Toyohashi Open Platform for Embedded Real-Time Systems/
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| 10 | Just Standard Profile Kernel
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| 11 |
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| 12 | Copyright (C) 2000-2004 by Embedded and Real-Time Systems Laboratory
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| 13 | Toyohashi Univ. of Technology, JAPAN
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| 14 | Copyright (C) 2001-2004 by Industrial Technology Institute,
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| 15 | Miyagi Prefectural Government, JAPAN
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| 16 |
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| 17 | ä¸è¨èä½æ¨©è
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| 18 | ã¯ï¼Free Software Foundation ã«ãã£ã¦å
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| 19 | ¬è¡¨ããã¦ãã
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| 20 | GNU General Public License ã® Version 2 ã«è¨è¿°ããã¦ããæ¡ä»¶ãï¼ä»¥
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| 21 | ä¸ã®(1)ã(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§
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| 22 | ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 23 | å¸ï¼ä»¥ä¸ï¼
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| 24 | å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 25 | (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 26 | 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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| 27 | ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 28 | (2) æ¬ã½ããã¦ã§ã¢ãåå©ç¨å¯è½ãªãã¤ããªã³ã¼ãï¼ãªãã±ã¼ã¿ãã«ãªã
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| 29 | ã¸ã§ã¯ããã¡ã¤ã«ãã©ã¤ãã©ãªãªã©ï¼ã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼å©ç¨
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| 30 | ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 31 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼
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| 32 | ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 33 | (3) æ¬ã½ããã¦ã§ã¢ãåå©ç¨ä¸å¯è½ãªãã¤ããªã³ã¼ãã®å½¢ã¾ãã¯æ©å¨ã«çµ
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| 34 | ã¿è¾¼ãã å½¢ã§å©ç¨ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºãããã¨ï¼
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| 35 | (a) å©ç¨ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 36 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½
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| 37 | 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 38 | (b) å©ç¨ã®å½¢æ
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| 39 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼ä¸è¨èä½æ¨©è
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| 40 | ã«å ±åãã
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| 41 | ãã¨ï¼
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| 42 | (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 43 | 害ãããï¼ä¸è¨èä½æ¨©è
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| 44 | ãå
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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¯ï¼
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| 49 | æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ã
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| 50 | ãªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çããã
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| 51 | ããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 52 | ------------------------------------------------------------------------
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| 53 |
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| 54 | ï¼ï¼MIPS3 ã¿ã¼ã²ããä¾åé¨ã®æ¦è¦
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| 55 |
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| 56 | 1.1 ã¿ã¼ã²ããã·ã¹ãã ã¨éçºç°å¢
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| 57 |
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| 58 | MIPS3ããã»ããµã®ã¿ã¼ã²ããã·ã¹ãã ã¨ãã¦ã¯ã以ä¸ã®ããã»ããµããµãã¼ãã
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| 59 | ã¦ããã
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| 60 |
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| 61 | ã»VR5500 (NEC)
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| 62 | ã»VR4131 (NEC)
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| 63 |
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| 64 | ãµãã¼ããã¦ãããã¼ãã¯ã以ä¸ã®éãã§ããã
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| 65 |
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| 66 | ã»æ ªå¼ä¼ç¤¾ãã¤ãã¹ã»ã©ã製 RTE-VR5500-CB(64) (CPU:VR5500)
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| 67 | ã»äº¬é½ãã¤ã¯ãã³ã³ãã¥ã¼ã¿æ ªå¼ä¼ç¤¾è£½ KZ-Vr4131PCI-01 (CPU:VR4131)
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| 68 |
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| 69 | éçºç°å¢ã«ã¯ãGCC ãªã©ã® GNUéçºç°å¢ãç¨ãããªãã¸ã§ã¯ããã¡ã¤ã«ãã©ã¼ãã
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| 70 | ã㯠ELF ãæ¨æºã¨ããã
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| 71 |
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| 72 | 以ä¸ãvr5500, vr4131ãã£ã¬ã¯ããªãé¤ããmips3ãã£ã¬ã¯ããªã®ç¯å²ãããã»ããµ
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| 73 | ä¾åé¨ã¨å¼ã³ãvr5500, vr4131ãã£ã¬ã¯ããªã«é¢ãããã¨ããã·ã¹ãã ä¾åé¨ã¨å¼
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| 74 | ã¶ã
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| 75 | MIPS3ã¿ã¼ã²ããä¾åé¨ = ããã»ããµä¾åé¨ + ã·ã¹ãã ä¾åé¨
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| 76 |
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| 77 | 1.2 ãµãã¼ãããæ©è½ã®æ¦è¦
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| 78 |
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| 79 | MIPS3ã¿ã¼ã²ããä¾åã®æ©è½ã¨ãã¦ãå²è¾¼ã¿ãã¹ã¯ã®å¤æ´ã»åç
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| 80 | §(chg_ipmãget_ipm)
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| 81 | ã¨ãæ§è½è©ä¾¡ç¨ã·ã¹ãã æå»åç
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| 82 | §æ©è½(vxget_tim)ããµãã¼ããã¦ãããå²è¾¼ã¿ã®
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| 83 | ç¦æ¢ã¨è¨±å¯(dis_intãena_int)ã¯ãµãã¼ããã¦ããªãã
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| 84 |
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| 85 | 1.3 ä»ã®ã¿ã¼ã²ããã¸ã®ãã¼ãã£ã³ã°
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| 86 |
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| 87 | MIPS ã·ãªã¼ãºã¯ãMIPS 社ããä¾çµ¦ããã¦ãã CPU ã³ã¢ã§ããããã®ã³ã¢ãç¨ãã
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| 88 | æ§ã
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| 89 | ãªããã»ããµãåã¡ã¼ã«ã¼ããåºè·ããã¦ãããã¾ããMIPS ã«ã¯ãå½ä»¤ã»ãã
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| 90 | ã®æ¡å¼µã¬ãã«ã«å¿ã㦠MIPS I ã IV ã¾ã§ãåå¨ããããã®ä¸ã§ãä»å㯠MIPS III
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| 91 | ã¬ãã«ï¼ä»¥ä¸ãMIPS3ï¼ã®å½ä»¤ã»ãããç¨ããå®è£
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| 92 | ãè¡ã£ãã
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| 93 |
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| 94 | ããã¯ä»åå®è£
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| 95 | ãè¡ã£ãããã»ããµã«é¢ãã¦ãVR5500 ã¯å½ä»¤ã»ããã¨ã㦠MIPS IV
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| 96 | ã¾ã§å¯¾å¿ãã¦ããããVR4131 㯠MIPS III ã¾ã§ã®å¯¾å¿ã§ããããã§ããã
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| 97 | ï¼ä»åã®å®è£
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| 98 | ãç¨ãã¦ãä»ã®MIPSããã»ããµã¸ã®ãã¼ãã£ã³ã°ãè¡ããã¨ãå¯è½ã§
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| 99 | ãããï¼
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| 100 |
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| 101 | 1.4 GDB ã¹ã¿ã
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| 102 |
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| 103 | ç¾å¨ã® TOPPERS/JSP ã«ã¼ãã« MIPS3 çã¯ROMåããµãã¼ããã¦ããã
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| 104 |
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| 105 | ã¾ããGDBã¹ã¿ãã¨çµã¿åããã¦ä½¿ç¨ãããã¨ãèæ
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| 106 | ®ãã¦ãä»æ©ç¨®çã®JSPã«ã¼ãã«ã¨
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| 107 | åæ§ã«ãã½ã¼ã¹ã³ã¼ãå
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| 108 | ã«GDB_STUBãã¯ãã«ããæ¡ä»¶ã³ã³ãã¤ã«ã®è¨å®ãè¡ã£ã¦ããã
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| 109 | ãã®ãã¯ãã®è¨å®ã«ããã使ç¨ãããªã³ã«ã¹ã¯ãªãããåãæ¿ãããã¨ã§ã対å¿ã
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| 110 | è¡ã£ã¦ããã
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| 111 | (/vrxxxx/makefile.config)
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| 112 |
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| 113 | MIPS3ç¨ã®GDBã¹ã¿ãã¯ãvr4131éå®å¯¾å¿çããå®æãã¦ãããä»å¾TOPPERSããã¸ã§
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| 114 | ã¯ããã¼ã ãã¼ã¸ãããã³ãå®®åçç£æ¥æè¡ç·åã»ã³ã¿ã¼ãã¼ã ãã¼ã¸ãéãã¦
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| 115 | å
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| 116 | ¬éããäºå®ã§ããã
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| 117 |
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| 118 | 1.5 ã·ãªã¢ã«ãã¼ã
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| 119 |
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| 120 | ã«ã¼ãã«ã®ãã°åºåç¨ã«ã·ãªã¢ã«ãã¼ããï¼ã¤ä½¿ç¨ããã
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| 121 | ã·ãªã¢ã«ãã¼ãã®è¨å®ã¯
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| 122 | ã»8ããã
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| 123 | ã»ããªãã£ãªã
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| 124 | ã»ã¹ããããããï¼1ããã
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| 125 | ã»ãã¼ã¬ã¼ãï¼9600bps
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| 126 | ã§ããã
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| 127 | (tl16pir552.c, vr4131_dsiu.cï¼siopinib_tableé
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| 128 | å)
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| 129 |
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| 130 | ãªãããã¼ã¬ã¼ãã«ã¤ãã¦ã¯ãDEVIDE_RATIOãã¯ãã«ã¦å®ç¾©ãã¦ããã®ã§å¿
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| 131 | è¦ã«
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| 132 | å¿ãã¦å¤æ´ãããã¨ãã§ããã
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| 133 | (sys_config.h)
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| 134 |
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| 135 | ï¼ï¼MIPS3ã¿ã¼ã²ããä¾åé¨ã®æ©è½
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| 136 |
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| 137 | ãã®ç¯ã§ã¯ãã«ã¼ãã«ããã³ã·ã¹ãã ãµã¼ãã¹ã®æ©è½ã®ä¸ã§ãMIPS3ã¿ã¼ã²ããä¾
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| 138 | åã®é¨åã«ã¤ãã¦è§£èª¬ããã
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| 139 |
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| 140 | 2.1 ãã¼ã¿å
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| 141 |
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| 142 | intåããã³ unsigned intåã®ãµã¤ãºã¯ 32ãããã§ããã
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| 143 | ç¾å¨ã¯ãMIPSèªä½ã¯ã64ãããã¢ã¼ããã¯ãã£ã§ããããã64ãããã¸ã®å¯¾å¿ã
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| 144 | å¯è½ã§ãããããããç¾æ®µéã§ã®å©ç¨å®ç¸¾ãªã©ãããä»åã¯32ãããã§ã®å®è£
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| 145 | ã
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| 146 | è¡ã£ãã
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| 147 |
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| 148 | 2.2 å²è¾¼ã¿ç®¡çæ©è½ã¨CPUä¾å¤
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| 149 |
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| 150 | MIPS3ã§ã¯ãå²è¾¼ã¿ãCPUä¾å¤ãä¸ç·ã«ãããä¾å¤å¦çãã¨ããå½¢ã§ãå¦çãè¡ã£ã¦
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| 151 | ããããã®ãããã¡ã¢ãªç®¡çã»ãªã»ãããªã©ã®ä¸é¨ã®è´å½çãªä¾å¤ãé¤ãããã¯
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| 152 | ã¿ã¢ãã¬ã¹ã¯å
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| 153 | ±éã¨ãªã£ã¦ããã
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| 154 |
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| 155 | ï¼ãªããä»åã®å®è£
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| 156 | ã§ã¯ãROMåãªã©ã®çç±ã«ãããã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã®BEVãã
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| 157 | ããï¼ã¨ãã¦å®è£
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| 158 | ãè¡ã£ã¦ããã®ã§ããã¯ã¿ã¢ãã¬ã¹ã¯0xbfc00300ã«ãªã£ã¦ãããï¼
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| 159 | (sys_config.h ; INIT_SR)
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| 160 |
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| 161 | ããã§ããã¯ã¿ã¢ãã¬ã¹ã«é£ãã éä¸ãããå²è¾¼ã¿ã¨CPUä¾å¤(å²è¾¼ã¿ä»¥å¤ã®ãä¾
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| 162 | å¤ããã以ä¸ããã®ããã«å¼ã¶ãã¨ã¨ããã)ã¨ã«åå²ããã¦å¦çãè¡ãå¿
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| 163 | è¦ã
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| 164 | ãããããã§ãåå ã¬ã¸ã¹ã¿(Cause;CP0)ã®ä¾å¤ã³ã¼ã(ExcCode)ãç¨ãã¦å¤æã
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| 165 | è¡ã£ã¦åå²ãã¦ããã
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| 166 |
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| 167 | å¤æå¾ã®ãåè¦å ã«å¯¾å¿ãããã³ãã©ãå¼ã³åºãããã«ãæ¬ä¼¼ãã¯ã¿ãã¼ãã«ã
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| 168 | è¨ãã¦ããã
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| 169 | ã»å²è¾¼ã¿ INT_TABLE int_table[ TMAX_ALL_INTNO ]
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| 170 | ICU_IPM icu_intmask_table[ TMAX_ALL_INTNO ]
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| 171 | ã»CPUä¾å¤ EXCVE exc_table[ TMAX_CORE_EXCNO ]
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| 172 | ããã§ãå²è¾¼ã¿ãã³ãã©æ¬ä¼¼ãã¯ã¿ãã¼ãã«ã«ã¤ãã¦ã¯ãMIPS3ã³ã¢ã¯ãå²è¾¼ã¿ã®
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| 173 | åªå
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| 174 | 度å¶å¾¡ãè¡ããªãããã«ãå²è¾¼ã¿ãã³ãã©å¼ã³åºãæã®MIPS3ã³ã¢ã«é¢ããå²
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| 175 | è¾¼ã¿ãã¹ã¯ã¨ãã¾ã¨ããINT_TABLEåãå®ç¾©ããé
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| 176 | åã®åã¨ãããã¾ããå²è¾¼ã¿
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| 177 | ã³ã³ããã¼ã©ã«ã¤ãã¦ã¯ãæ§ã
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| 178 | ãªå²è¾¼ã¿ã³ã³ããã¼ã©ãåå¨ãããã¨ãèæ
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| 179 | ®ãã¦ã
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| 180 | 移æ¤æ§ã®è¦³ç¹ããããã»ããµä¾åé¨ããåé¢ããã¦ãã·ã¹ãã ä¾åé¨ã«ããã¦å²
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| 181 | è¾¼ã¿ã³ã³ããã¼ã©é¢é£ã®å®è£
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| 182 | ãè¡ãå¿
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| 183 | è¦ããããããå¥ã«icu_intmask_tableé
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| 184 |
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| 185 | åãå®ç¾©ãããã¨ã§å¯¾å¿ãããã¨ã¨ããã
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| 186 | ï¼cpu_config.h, cpu_config.c, pic_icu.h, vr4131_icu.hï¼
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| 187 |
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| 188 | ãªããããã§ã
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| 189 | TMAX_ALL_INTNO : MIPS3ã³ã¢ã¨å²è¾¼ã¿ã³ã³ããã¼ã©ã¨ãå«ãããå²è¾¼ã¿
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| 190 | ã®ç·æ¬æ°
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| 191 | ï¼MIPS3ã³ã¢ ã®ç·æ¬æ° TMAX_CORE_INTNO (8æ¬åºå®)ã¨ãå²è¾¼ã¿
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| 192 | ã³ã³ããã¼ã©ç®¡çä¸ã®ç·æ¬æ° TMAX_ICU_INTNO ã¨ã®åè¨ã)
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| 193 | TMAX_CORE_EXCNO : MIPS3ã³ã¢ç®¡çä¸ã®ãCPUä¾å¤ã®ç·æ¬æ°ï¼32æ¬åºå®ï¼
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| 194 | ã§ããã
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| 195 | (mips3.h, cpu_config.h, pic_icu.h, vr4131_icu.h)
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| 196 |
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| 197 | ãã³ãã©æ¬ä¼¼ãã¯ã¿ãã¼ãã«ã«ã¯ãåæå¤ã¨ãã¦ããããã¯ç¨ã«cpu_experré¢æ°
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| 198 | ãç»é²ããã¦ãããããã¯ãå¼æ°ã¨ãã¦ãå²è¾¼ã¿ã»CPUä¾å¤ã»TLB, XTLBä¸ä¸è´çº
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| 199 | çæã®ã¹ã¿ãã¯ãã¤ã³ã¿ã®å¤ãã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã®å¤ãåå ã¬ã¸ã¹ã¿ã®å¤ãæ
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| 200 | ã¤é¢æ°ã§ããããããã®å¤ããã°åºåç¨ã®ãã¼ãã«æ¸ãåºãé¢æ°ã§ããã
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| 201 | (cpu_config.c)
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| 202 |
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| 203 | 以ä¸ã§ã¯ã2.3ã2.4ã§ã¯å²è¾¼ã¿ã«ã¤ãã¦èª¬æãã2.5ã§ã¯CPUä¾å¤ã«ã¤ãã¦èª¬æã
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| 204 | ããã
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| 205 |
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| 206 | ï¼MIPS3ã³ã¢ã¯ãå²è¾¼ã¿ã³ã³ããã¼ã©ãå
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| 207 | èµãã¦ããªããããåã¿ã¼ã²ããã«ãã£
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| 208 | ã¦å²è¾¼ã¿å¦çãç°ãªããããã§ãä»åå©ç¨ããã¿ã¼ã²ãã以å¤ã«ç§»æ¤ããããã®
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| 209 | å²è¾¼ã¿å¦çã«é¢ããã¤ã³ã¿ãã§ã¼ã¹æ
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| 210 | å ±ã¯ããã®ææ¸ã®æå¾ã«ã¾ã¨ãã¦è¨è¼ãã¦
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| 211 | ããã®ã§ãåç
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| 212 | §ã®ãã¨ãï¼
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| 213 |
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| 214 | 2.3 å²è¾¼ã¿ç®¡çæ©è½
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| 215 |
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| 216 | 2.3.1 å²è¾¼ã¿ã³ã³ããã¼ã©ICUã¨CPUã¨ã®æ¥ç¶
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| 217 |
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| 218 | MIPS3ã³ã¢ã¯ãå²è¾¼ã¿ã³ã³ããã¼ã©ãå
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| 219 | èµãã¦ããªããããå¥ã«è¨ããå¿
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| 220 | è¦ãããã
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| 221 | ãã®å²è¾¼ã¿ã³ã³ããã¼ã©ã¨ã®æ¥ç¶ç¶æ³ã¨ãå®ç¾©ããããã«ãINIT_CORE_IPM ãå®
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| 222 | 義ããããã®å¤ã¯ãmips3.hã§å®ç¾©ãã¦ããCause_Int(0:4)ãã¯ããå©ç¨ãã¦å®ç¾©
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| 223 | ããã
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| 224 | (ãªãããã®ãã¯ãã¯ãæçµçã«ã¯CP0ã®åå ã¬ã¸ã¹ã¿ã®ããããç´æ¥å®ç¾©ãã¦ããã)
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| 225 | (sys_config.h)
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| 226 |
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| 227 | (a) VR5500
|
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| 228 | VR5500ã¯ãå²è¾¼ã¿ã³ã³ããã¼ã©ãå
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| 229 | èµãã¦ããªãããã«ãã¿ã¼ã²ãããã¼ãä¸ã«
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| 230 | å²è¾¼ã¿ã³ã³ããã¼ã©ãè¨ãã¦ããããã®å²è¾¼ã¿ã³ã³ããã¼ã©ã¨ã¯ãå¤é¨å²è¾¼ã¿
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| 231 | Int(0:1)ã®ï¼æ¬ã§æ¥ç¶ããã¦ããã
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| 232 | INIT_CORE_IPM = ( Cause_Int0 | Cause_Int0 )
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| 233 |
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| 234 | (b) VR4131
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| 235 | VR4131ã¯ãå²è¾¼ã¿ã³ã³ããã¼ã©ãå
|
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| 236 | èµãã¦ããããã®å²è¾¼ã¿ã³ã³ããã¼ã©ã¨ã¯ã
|
---|
| 237 | å¤é¨å²è¾¼ã¿Int(0:2)ã®ï¼æ¬ã§æ¥ç¶ããã¦ããã
|
---|
| 238 | ï¼ãã¼ãã¦ã§ã¢ç·¨p196åç
|
---|
| 239 | §ï¼
|
---|
| 240 | INIT_CORE_IPM = ( Cause_Int0 | Cause_Int1 | Cause_Int2 )
|
---|
| 241 |
|
---|
| 242 | 2.3.2 å²è¾¼ã¿ãã³ãã©
|
---|
| 243 |
|
---|
| 244 | å²è¾¼ã¿ãã³ãã©ã¯ãä¸è¨ã®æ¬ä¼¼ãã¯ã¿ãã¼ãã«ã«ç»é²ããã¦å©ç¨ãããã¨ã«ãªãã
|
---|
| 245 | ãã®ã¨ãã®ããã¼ãã«ãå¼ãããã®å¼æ°ã§ããçªå·ããå²è¾¼ã¿è¦å çªå·ãã¨å¼ã¶ã
|
---|
| 246 |
|
---|
| 247 | 0 ã 7ã¯ãMIPS3ã³ã¢ã®åå²è¾¼ã¿è¦å ã«å¯¾å¿ãã¦ãããå
|
---|
| 248 | ±éé¨ã«ãã㦠INTNO_IP0
|
---|
| 249 | ã INTNO_IP7 ã¨ãã¦å®ç¾©ãã¦ããã
|
---|
| 250 | (mips3.h)
|
---|
| 251 |
|
---|
| 252 | ã¾ãã8çªä»¥éããã·ã¹ãã ä¾åé¨ã§ä»¥ä¸ã®ããã«å®ç¾©ãã¦ããã
|
---|
| 253 |
|
---|
| 254 | (a) VR5500
|
---|
| 255 | å²è¾¼ã¿è¦å ï½ å²è¾¼ã¿è¦å çªå· ï½ ãã¯ãå
|
---|
| 256 | ââââââââââââââââââââââââââââ
|
---|
| 257 | ã¿ã¤ãï¼ ï½ ï¼ ï½ INTNO_TIMER0
|
---|
| 258 | ââââââââââââââââââââââââââââ
|
---|
| 259 | ã·ãªã¢ã«ï¼ ï½ ï¼ ï½ INTNO_SERIAL0
|
---|
| 260 | ââââââââââââââââââââââââââââ
|
---|
| 261 | GBUS-INT0- ï½ ï¼ï¼ ï½ INTNO_GBUS
|
---|
| 262 | ââââââââââââââââââââââââââââ
|
---|
| 263 | BUS ERROR ï½ ï¼ï¼ ï½ INTNO_BUS_ERR
|
---|
| 264 | ââââââââââââââââââââââââââââ
|
---|
| 265 | ã¿ã¤ãï¼ ï½ ï¼ï¼ ï½ INTNO_TIMER1
|
---|
| 266 | ââââââââââââââââââââââââââââ
|
---|
| 267 | ã·ãªã¢ã«ï¼ ï½ ï¼ï¼ ï½ INTNO_SERIAL1
|
---|
| 268 | ââââââââââââââââââââââââââââ
|
---|
| 269 | ãã©ã¬ã« ï½ ï¼ï¼ ï½ INTNO_PARALEL
|
---|
| 270 | ââââââââââââââââââââââââââââ
|
---|
| 271 | DMAC INTREQ- ï½ ï¼ï¼ ï½ INTNO_DMAC
|
---|
| 272 |
|
---|
| 273 | (pic_icu.h)
|
---|
| 274 |
|
---|
| 275 | (b) VR4131
|
---|
| 276 | å²è¾¼ã¿è¦å ï½ å²è¾¼ã¿è¦å çªå· ï½ ãã¯ãå
|
---|
| 277 | ââââââââââââââââââââââââââââââ
|
---|
| 278 | ããããª ï½ ï¼ ï½ INTNO_BAT
|
---|
| 279 | ââââââââââââââââââââââââââââââ
|
---|
| 280 | ãã¯ã¼ã¹ã¤ãã ï½ ï¼ ï½ INTNO_POWER
|
---|
| 281 | ââââââââââââââââââââââââââââââ
|
---|
| 282 | RTCLï½ï½ï½ï¼ ï½ ï¼ï¼ ï½ INTNO_RTCL1
|
---|
| 283 | ââââââââââââââââââââââââââââââ
|
---|
| 284 | ElipsedTime ã¿ã¤ã ï½ ï¼ï¼ ï½ INTNO_ETIME
|
---|
| 285 | ââââââââââââââââââââââââââââââ
|
---|
| 286 | GIU ï½ ï¼ï¼ ï½ INTNO_GIU
|
---|
| 287 | ââââââââââââââââââââââââââââââ
|
---|
| 288 | SIU ï½ ï¼ï¼ ï½ INTNO_SIU
|
---|
| 289 | ââââââââââââââââââââââââââââââ
|
---|
| 290 | ã½ããã¦ã§ã¢ ï½ ï¼ï¼ ï½ INTNO_SOFTINT
|
---|
| 291 | ââââââââââââââââââââââââââââââ
|
---|
| 292 | CLKRUN ï½ ï¼ï¼ ï½ INTNO_CLKRUN
|
---|
| 293 | ââââââââââââââââââââââââââââââ
|
---|
| 294 | RTCLï½ï½ï½ï¼ ï½ ï¼ï¼ ï½ INTNO_RTCL2
|
---|
| 295 | ââââââââââââââââââââââââââââââ
|
---|
| 296 | LED ï½ ï¼ï¼ ï½ INTNO_LED
|
---|
| 297 | ââââââââââââââââââââââââââââââ
|
---|
| 298 | TClockã«ã¦ã³ã¿ ï½ ï¼ï¼ ï½ INTNO_TCLK
|
---|
| 299 | ââââââââââââââââââââââââââââââ
|
---|
| 300 | FIR ï½ ï¼ï¼ ï½ INTNO_FIR
|
---|
| 301 | ââââââââââââââââââââââââââââââ
|
---|
| 302 | DSIU ï½ ï¼ï¼ ï½ INTNO_DSIU
|
---|
| 303 | ââââââââââââââââââââââââââââââ
|
---|
| 304 | PCI ï½ ï¼ï¼ ï½ INTNO_PCI
|
---|
| 305 | ââââââââââââââââââââââââââââââ
|
---|
| 306 | SCU ï½ ï¼ï¼ ï½ INTNO_SCU
|
---|
| 307 | ââââââââââââââââââââââââââââââ
|
---|
| 308 | CSI ï½ ï¼ï¼ ï½ INTNO_CSI
|
---|
| 309 | ââââââââââââââââââââââââââââââ
|
---|
| 310 | BCU ï½ ï¼ï¼ ï½ INTNO_BCU
|
---|
| 311 |
|
---|
| 312 | (vr4131_icu.h)
|
---|
| 313 |
|
---|
| 314 | ä»åã®ã¿ã¼ã²ããã«ããã¦ã¯ãã«ã¼ãã«ã§ã¯ã以ä¸ã®å²è¾¼ã¿è¦å ã®ä¸ããä¸è¨ã
|
---|
| 315 | å©ç¨ãã¦ããã
|
---|
| 316 |
|
---|
| 317 | (a) VR5500
|
---|
| 318 | ã¿ã¤ãï¼ãã·ãªã¢ã«ï¼ï¼ãã·ãªã¢ã«ï¼ï¼
|
---|
| 319 |
|
---|
| 320 | (b) VR4131
|
---|
| 321 | TClockã«ã¦ã³ã¿ãDSIU
|
---|
| 322 |
|
---|
| 323 | 2.3.3 å²è¾¼ã¿ãã¹ã¯ï¼å²è¾¼ã¿åªå
|
---|
| 324 | 度å¶å¾¡
|
---|
| 325 |
|
---|
| 326 | å²è¾¼ã¿ãã¹ã¯ï¼å²è¾¼ã¿åªå
|
---|
| 327 | 度å¶å¾¡ã®ããã®ãå®ç¾©ã»APIã¯ä»¥ä¸ã®éãã§ããã
|
---|
| 328 |
|
---|
| 329 | (1)IPMå
|
---|
| 330 | CPUã³ã¢ã¨å²è¾¼ã¿ã³ã³ããã¼ã©ã¨ãå
|
---|
| 331 | ¨ã¦ã¾ã¨ãããå²è¾¼ã¿ãã¹ã¯ãæ±ãããã®åã§
|
---|
| 332 | ãããCORE_IPMåcoreã¨ICU_IPMåicuã¨ãããªãæ§é ä½ã¨ãã¦å®ç¾©ãã¦ããã
|
---|
| 333 | (cpu_defs.h)
|
---|
| 334 |
|
---|
| 335 | CORE_IPMåã¯ãã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã«æ¸è¾¼ãå¤ãä¿æãããããUINTåã¨ãã¦å®
|
---|
| 336 | 義ãã¦ãããã¾ããICU_IPMåã¯ãããããã«ã¿ã¼ã²ãããã¼ãã«ã¤ãã¦ä¸è¨ã®
|
---|
| 337 | ããã«å®ç¾©ãã¦ããã
|
---|
| 338 |
|
---|
| 339 | (a) VR5500
|
---|
| 340 | VR5500ã¯å²è¾¼ã¿ã³ã³ããã¼ã©ãå
|
---|
| 341 | èµãã¦ããªããããã¿ã¼ã²ãããã¼ãä¸ã«å²
|
---|
| 342 | è¾¼ã¿ã³ã³ããã¼ã©ãæã£ã¦ããããã®å²è¾¼ã¿ã³ã³ããã¼ã©ã¯ãï¼ãã¤ãÃï¼å
|
---|
| 343 | ã®å²è¾¼ã¿ãã¹ã¯ãæã£ã¦ããã®ã§ãICU_IPMåã¯
|
---|
| 344 | { int0m, int1m } = { UBå, UBå }
|
---|
| 345 | ã¨ãã¦å®ç¾©ãã¦ããã
|
---|
| 346 |
|
---|
| 347 | (b) VR4131
|
---|
| 348 | VR4131ã¯å²è¾¼ã¿ã³ã³ããã¼ã©ãå
|
---|
| 349 | èµãã¦ããããã®å
|
---|
| 350 | èµå²è¾¼ã¿ã³ã³ããã¼ã©ã¯ã
|
---|
| 351 | ï¼ãã¤ãÃï¼åã®å²è¾¼ã¿ãã¹ã¯(MSYSINT1REG, MSYSINTREG2REGã¬ã¸ã¹ã¿)ãæã£
|
---|
| 352 | ã¦ããã®ã§ãICU_IPMåã¯
|
---|
| 353 | { msysint1, msysint2 } = { UHå, UHå }
|
---|
| 354 | ã¨ãã¦å®ç¾©ãã¦ããã
|
---|
| 355 |
|
---|
| 356 | (cpu_defs.h, sys_defs.h)
|
---|
| 357 |
|
---|
| 358 | ä»åã®å®è£
|
---|
| 359 | ã§ã¯ãICU_IPM åã®åæå¤ã¨ãã¦ä¸è¨ã®ããã«ãã¦ããã
|
---|
| 360 |
|
---|
| 361 | (a) VR5500
|
---|
| 362 | ã¿ã¤ãï¼ã®ã¿ã許å¯ãã¦ããã
|
---|
| 363 |
|
---|
| 364 | (b) VR4131
|
---|
| 365 | ããããªã®ã¿ã許å¯ãã¦ããã
|
---|
| 366 |
|
---|
| 367 | (sys_config.h)
|
---|
| 368 |
|
---|
| 369 | ï¼coreã®å¤ã¯ãã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã«æ¸è¾¼ããIM(0:7)ã®é¨åã®ã¿ãä¿æãã
|
---|
| 370 | ãã¨ãä»ã®ããããæä½ããå ´åã®åä½ã¯ãä¿è¨¼ããªããï¼
|
---|
| 371 |
|
---|
| 372 | (2)all_set_ilv å²è¾¼ã¿ã¬ãã«ã®è¨å®
|
---|
| 373 |
|
---|
| 374 | ãCè¨èªAPIã
|
---|
| 375 | all_set_ilv(INTNO intno, IPM *ipm)
|
---|
| 376 |
|
---|
| 377 | ããã©ã¡ã¼ã¿ã
|
---|
| 378 | INTNO intno å²è¾¼ã¿è¦å çªå·
|
---|
| 379 | IPM ipm å²è¾¼ã¿ãã¹ã¯
|
---|
| 380 |
|
---|
| 381 | ããªã¿ã¼ã³ãã©ã¡ã¼ã¿ã
|
---|
| 382 | ãªã
|
---|
| 383 |
|
---|
| 384 | ãæ©è½ã
|
---|
| 385 | MIPS3ã³ã¢ããã³å²ãè¾¼ã¿ã³ã³ããã¼ã©ã«é¢ãããå²è¾¼ã¿ãã³ãã©æ¬ä¼¼ãã¯ã¿ãã¼
|
---|
| 386 | ãã«ï¼int_tableãªãã³ã«ãicu_intmask_tableï¼ã«ãå²è¾¼ã¿ãã¹ã¯ãè¨å®ããã
|
---|
| 387 | (cpu_config.h)
|
---|
| 388 |
|
---|
| 389 | ãªããã¿ã¼ã²ãããã¼ãä¸ã®å²è¾¼ã¿ã³ã³ããã¼ã©ã«ãããããä»åå®è£
|
---|
| 390 | ãè¡ã£ã
|
---|
| 391 | ã¿ã¼ã²ãããã¼ãã®å²è¾¼ã¿ã³ã³ããã¼ã©ã§ã¯ä¸¡æ¹ã¨ãå²è¾¼ã¿åªå
|
---|
| 392 | 度å¶å¾¡ãè¡ã£ã¦
|
---|
| 393 | ããªãããã®ããã«ãå²è¾¼ã¿åªå
|
---|
| 394 | 度å¦çãå²è¾¼ã¿ãã¹ã¯ã®è¨å®ã§è¡ãå¿
|
---|
| 395 | è¦ãããã
|
---|
| 396 |
|
---|
| 397 | ãã®æãå²è¾¼ã¿ãã¹ã¯ãè¨å®ããã¨ãã¯ãIPMåæ§é ä½ã®è¦ç´ ã§ããCORE_IPMå
|
---|
| 398 | coreã¯ããã®ã¿ã¼ã²ãããã¼ãã®ãã¼ãã¦ã§ã¢æ§æãåæ ãã¦ãããã®ã§ããã®
|
---|
| 399 | ã§ãååã¨ãã¦å¤æ´ããªããã¨ã¨ãããå²è¾¼ã¿ã¬ãã«ã®è¨å®ã¯ãæ¥ç¶ããã¦ãã
|
---|
| 400 | å²è¾¼ã¿ã³ã³ããã¼ã©ã®å²è¾¼ã¿ãã¹ã¯ãå¤æ´ãããã¨ã§å¯¾å¿ãããã¨ã¨ããã
|
---|
| 401 |
|
---|
| 402 | ä»åã®å®è£
|
---|
| 403 | ã«ããããåªå
|
---|
| 404 | 度ã¯ä»¥ä¸ã®éãã§ããã
|
---|
| 405 | (a) VR5500
|
---|
| 406 | åªå
|
---|
| 407 | 度 : (ä½) ã·ãªã¢ã«ï¼ -> ã·ãªã¢ã«ï¼ -> ã¿ã¤ãï¼ (é«)
|
---|
| 408 | (rte-vr5500-cb.h)
|
---|
| 409 | (b) VR4131
|
---|
| 410 | åªå
|
---|
| 411 | 度 : (ä½) DSIU -> TClockã«ã¦ã³ã¿ -> ããããªæ®éä¸è¶³æ¤ç¥ (é«)
|
---|
| 412 | (kz-vr4131pci-01.h)
|
---|
| 413 |
|
---|
| 414 | 2.4 chg_ipmã®ãµãã¼ãã«ã¤ãã¦
|
---|
| 415 |
|
---|
| 416 | chg_ipm ããµãã¼ãããããã«ãå²è¾¼ã¿ãã³ãã©ã®åºå
|
---|
| 417 | ¥å£å¦çãªã©ã«ãªã¼ããã
|
---|
| 418 | ããçãã¦ãããããã§ãSUPPORT_CHG_IPM ã¨ãããã¯ãã«ããããããã®ãµã¼
|
---|
| 419 | ãã¹ã³ã¼ã«ããµãã¼ããããã©ãããåãæ¿ããããããã«ãã¦ããã
|
---|
| 420 | (SUPPORT_CHG_IPM ã¯ãcpu_config.h ã®ä¸ã§ #define ããã¦ããã)
|
---|
| 421 |
|
---|
| 422 | MIPS3ã¿ã¼ã²ããä¾åã®å²è¾¼ã¿ãã¹ã¯ã®å¤æ´ã»åç
|
---|
| 423 | §ã®ããã®ãµã¼ãã¹ã³ã¼ã«ã®ä»æ§
|
---|
| 424 | ã¯æ¬¡ã®éãã
|
---|
| 425 |
|
---|
| 426 | (1) chg_ipm å²è¾¼ã¿ãã¹ã¯ã®å¤æ´
|
---|
| 427 |
|
---|
| 428 | ãCè¨èªAPIã
|
---|
| 429 | ER ercd = chg_ipm(IPM ipm);
|
---|
| 430 |
|
---|
| 431 | ããã©ã¡ã¼ã¿ã
|
---|
| 432 | IPM ipm è¨å®ãã¹ã IPM ã®å¤
|
---|
| 433 |
|
---|
| 434 | ããªã¿ã¼ã³ãã©ã¡ã¼ã¿ã
|
---|
| 435 | ER ercd ã¨ã©ã¼ã³ã¼ã
|
---|
| 436 |
|
---|
| 437 | ãã¨ã©ã¼ã³ã¼ãã
|
---|
| 438 | E_CTX ã³ã³ããã¹ãã¨ã©ã¼
|
---|
| 439 | E_PAR ãã©ã¡ã¼ã¿ã¨ã©ã¼(ipm ãä¸æ£)
|
---|
| 440 |
|
---|
| 441 | ãæ©è½ã
|
---|
| 442 |
|
---|
| 443 | å²è¾¼ã¿ãã¹ã¯ã ipm ã§æå®ãããå¤ã«è¨å®ãããæå®ããå¤ããMIPS3ã³ã¢é¨å
|
---|
| 444 | ã«ã¤ãã¦ã¯0ãMAX_IPMã®ç¯å²å
|
---|
| 445 | ã«ãå²è¾¼ã¿ã³ã³ããã¼ã©é¨åã«ã¤ãã¦ã¯å²è¾¼ã¿
|
---|
| 446 | ã³ã³ããã¼ã©ã®å²è¾¼ã¿ãã¹ã¯ã®ç¯å²å
|
---|
| 447 | ã«å
|
---|
| 448 | ¥ã£ã¦ããªãå ´åã«ãE_PARã¨ã©ã¼ãè¿
|
---|
| 449 | ããã¾ããè¨å®ããIPMã®å¤ã¯ããã£ã¹ãããå¾ãå¼ãç¶ãããã
|
---|
| 450 | ããã§ãMAX_IPMã¯ãMIPS3ã³ã¢ã«è¨å®ã§ããå²è¾¼ã¿ãã¹ã¯ã®æ大ã®ããããã¿ã¼
|
---|
| 451 | ã³ã§ããã
|
---|
| 452 |
|
---|
| 453 | ãã®ãµã¼ãã¹ã³ã¼ã«ã¯ãã¿ã¹ã¯ã³ã³ããã¹ã㧠CPUããã¯è§£é¤ç¶æ
|
---|
| 454 | ã®æã®ã¿å¼
|
---|
| 455 | ã³åºããã¨ãã§ãããéã¿ã¹ã¯ã³ã³ããã¹ãã CPUããã¯ç¶æ
|
---|
| 456 | ã§å¼ã³åºããå ´
|
---|
| 457 | åã«ã¯ãE_CTXã¨ã©ã¼ã¨ãªãã
|
---|
| 458 |
|
---|
| 459 | (2) get_ipm å²è¾¼ã¿ãã¹ã¯ã®åç
|
---|
| 460 | §
|
---|
| 461 |
|
---|
| 462 | ãCè¨èªAPIã
|
---|
| 463 | ER ercd = get_ipm(IPM *p_ipm);
|
---|
| 464 |
|
---|
| 465 | ããã©ã¡ã¼ã¿ã
|
---|
| 466 | ãªã
|
---|
| 467 |
|
---|
| 468 | ããªã¿ã¼ã³ãã©ã¡ã¼ã¿ã
|
---|
| 469 | ER ercd ã¨ã©ã¼ã³ã¼ã
|
---|
| 470 | IPM ipm ç¾å¨ã® IPM ã®å¤
|
---|
| 471 |
|
---|
| 472 | ãã¨ã©ã¼ã³ã¼ãã
|
---|
| 473 | E_CTX ã³ã³ããã¹ãã¨ã©ã¼
|
---|
| 474 |
|
---|
| 475 | ãæ©è½ã
|
---|
| 476 |
|
---|
| 477 | ç¾å¨ã® å²è¾¼ã¿ãã¹ã¯ã®å¤ãèªã¿åºããipm ã«è¿ãã
|
---|
| 478 |
|
---|
| 479 | ãã®ãµã¼ãã¹ã³ã¼ã«ã¯ãã¿ã¹ã¯ã³ã³ããã¹ã㧠CPUããã¯è§£é¤ç¶æ
|
---|
| 480 | ã®æã®ã¿å¼
|
---|
| 481 | ã³åºããã¨ãã§ãããéã¿ã¹ã¯ã³ã³ããã¹ãã CPUããã¯ç¶æ
|
---|
| 482 | ã§å¼ã³åºããå ´
|
---|
| 483 | åã«ã¯ãE_CTXã¨ã©ã¼ã¨ãªãã
|
---|
| 484 |
|
---|
| 485 | ãªãããã¬ã¼ã¹ãã°æ©è½ã«é¢ãã¦ãchg_ipmã«é¢ããé¨åã¯ã·ã¹ãã ä¾åé¨ã«ã¦
|
---|
| 486 | å®ç¾©ãè¡ã£ã¦ããã
|
---|
| 487 | (sys_tool_config.h)
|
---|
| 488 |
|
---|
| 489 | 2.5 CPUä¾å¤ç®¡çæ©è½ã¨CPUä¾å¤ãã³ãã©
|
---|
| 490 |
|
---|
| 491 | DEF_EXC ã§æå®ããCPUä¾å¤è¦å çªå·(excno)ã¯ãMIPS3 ã§ã®æ¬ä¼¼ãã¯ã¿ãã¼ãã«
|
---|
| 492 | ã®ãã¯ã¿çªå·ã表ãããã®ãã¼ã¿å(EXCNO)㯠UINTåã«å®ç¾©ããã¦ãããä¾å¤
|
---|
| 493 | è¦å çªå·ã¯MIPS3ã®ä¾å¤ã³ã¼ãã¨1対1ã«å¯¾å¿ãã¦ããã
|
---|
| 494 |
|
---|
| 495 | DEF_EXC ã§ãä¾å¤è¦å çªå·ã¨ãã¦æå¹ã§ãªãå¤ããCPUä¾å¤ã«å¯¾å¿ããªãçªå·ã
|
---|
| 496 | æå®ããå ´åã®åä½ã¯ä¿è¨¼ãããªãã
|
---|
| 497 |
|
---|
| 498 | (1)å¼æ°p_excinf
|
---|
| 499 | CPUä¾å¤ãã³ãã©ã«æ¸¡ãããp_excinfã¯ãCPUä¾å¤çºçæã®ã³ã³ããã¹ããä¿å
|
---|
| 500 | ããã¹ã¿ãã¯ã¸ã®ãã¤ã³ã¿ã渡ããããã¹ã¿ãã¯ã®æ§é ã以ä¸ã«ç¤ºãã
|
---|
| 501 |
|
---|
| 502 | ----------------------
|
---|
| 503 | | sp (r29) | <-- p_excinf
|
---|
| 504 | ----------------------
|
---|
| 505 | | at (r1) |
|
---|
| 506 | ----------------------
|
---|
| 507 | | v0 (r2) |
|
---|
| 508 | ----------------------
|
---|
| 509 | | v1 (r3) |
|
---|
| 510 | ----------------------
|
---|
| 511 | | a0 (r4) |
|
---|
| 512 | ----------------------
|
---|
| 513 | | a1 (r5) |
|
---|
| 514 | ----------------------
|
---|
| 515 | | a2 (r6) |
|
---|
| 516 | ----------------------
|
---|
| 517 | | a3 (r7) |
|
---|
| 518 | ----------------------
|
---|
| 519 | | t0 (r8) |
|
---|
| 520 | ----------------------
|
---|
| 521 | | t1 (r9) |
|
---|
| 522 | ----------------------
|
---|
| 523 | | t2 (r10) |
|
---|
| 524 | ----------------------
|
---|
| 525 | | t3 (r11) |
|
---|
| 526 | ----------------------
|
---|
| 527 | | t4 (r12) |
|
---|
| 528 | ----------------------
|
---|
| 529 | | t5 (r13) |
|
---|
| 530 | ----------------------
|
---|
| 531 | | t6 (r14) |
|
---|
| 532 | ----------------------
|
---|
| 533 | | t7 (r15) |
|
---|
| 534 | ----------------------
|
---|
| 535 | | t8 (r24) |
|
---|
| 536 | ----------------------
|
---|
| 537 | | t9 (r25) |
|
---|
| 538 | ----------------------
|
---|
| 539 | | gp (r28) |
|
---|
| 540 | ----------------------
|
---|
| 541 | | fp (r30) |
|
---|
| 542 | ----------------------
|
---|
| 543 | | ra (r31) |
|
---|
| 544 | ----------------------
|
---|
| 545 | | PC (EPC;CP0_r14) |
|
---|
| 546 | ----------------------
|
---|
| 547 | | SR (Status;CP0_r12) |
|
---|
| 548 | ----------------------
|
---|
| 549 | | HI |
|
---|
| 550 | ----------------------
|
---|
| 551 | | LO |
|
---|
| 552 | ----------------------
|
---|
| 553 |
|
---|
| 554 | sp : Stack Pointer
|
---|
| 555 | gp : Global Pointer
|
---|
| 556 | fp : Frame Pointer
|
---|
| 557 | ra : Return Address
|
---|
| 558 | PC : Program Counter
|
---|
| 559 | SR : Status Register
|
---|
| 560 |
|
---|
| 561 | ã¾ããCPUä¾å¤çºçæã®EPCã®å¤ã¯ãä¾å¤çºçå½ä»¤ãåå²ã¹ãããã«ããå ´åã¯ã
|
---|
| 562 | ç´åã®åå²ã»ã¸ã£ã³ãå½ä»¤ãããã
|
---|
| 563 | ï¼ããªãã¡ã対象å½ä»¤ã®ã¢ãã¬ã¹-4ãæ¸ãè¾¼ã¾ãããï¼
|
---|
| 564 |
|
---|
| 565 | 2.6 HI, LO ã¬ã¸ã¹ã¿
|
---|
| 566 |
|
---|
| 567 | MIPS3ã§ã¯ãä¹é¤ç®ã¬ã¸ã¹ã¿HI, LOããµãã¼ããã¦ãããããã§ãä»åã®å®è£
|
---|
| 568 | ã«ã
|
---|
| 569 | ãã¦ã¯ãå²è¾¼ã¿ãã³ãã©ã®åºå
|
---|
| 570 | ¥å£å¦çã§ãã¹ã¿ãã¯ã¸ä¿åãã¦ããã
|
---|
| 571 | ã¿ã¹ã¯ã³ã³ããã¹ãå
|
---|
| 572 | ã§ã®ãèªãã®ãã£ã¹ãããå¼ã³åºãã®å ´åã¯ãé¢æ°å¼ã³åº
|
---|
| 573 | ãã§ããããã®å¼ã³åºããã¾ããã£ã¦ãã®ã¬ã¸ã¹ã¿ãå©ç¨ãããã¨ã¯ç¡ãã®ã§ã
|
---|
| 574 | ä¿åãã¦ããªãã
|
---|
| 575 | (cpu_support.S)
|
---|
| 576 |
|
---|
| 577 | 2.7 ã¹ã¿ã¼ãã¢ããã¢ã¸ã¥ã¼ã«
|
---|
| 578 |
|
---|
| 579 | MIPS3ã¿ã¼ã²ããã§ã¯ãä¾å¤ãã¯ã¿ã®ä¸ã¤ã«ããªã»ãã並ã³ã« NMI(Non Maskable
|
---|
| 580 | Interrupt)ç¨ã®ãã¯ã¿ã¢ãã¬ã¹ãåãã¦ããããã®ã¢ãã¬ã¹ããã®ã¸ã£ã³ãå
|
---|
| 581 | ã
|
---|
| 582 | ã¹ã¿ã¼ãã¢ããã¢ã¸ã¥ã¼ã«ã¨ãªã£ã¦ããã
|
---|
| 583 |
|
---|
| 584 | ãã®ã¹ã¿ã¼ãã¢ããã¢ã¸ã¥ã¼ã«(reset.S)ã§ã¯ã次ã®åæåå¦çãè¡ãã
|
---|
| 585 |
|
---|
| 586 | (A) ããã»ããµã®åæå
|
---|
| 587 |
|
---|
| 588 | ããã»ããµã®åæåã¯ãä¸è¨ã®ãã®ãè¡ãã
|
---|
| 589 | (a) CPUã¬ã¸ã¹ã¿ã®åæå
|
---|
| 590 | ä¹é¤ç®ã¬ã¸ã¹ã¿ãã¹ã¿ãã¯ãã¤ã³ã¿spãã°ãã¼ãã«ãã¤ã³ã¿gpãk0ã¬ã¸ã¹ã¿ãåæ
|
---|
| 591 | åããã
|
---|
| 592 |
|
---|
| 593 | ã¹ã¿ãã¯ãã¤ã³ã¿ã«ã¯ãã¢ãã¬ã¹ _stack_top ãè¨å®ããã_stack_top ã¯ããªã³ã«
|
---|
| 594 | ã¹ã¯ãªããå
|
---|
| 595 | ã§å®ç¾©ãããã®ã¨ãããããã§è¨å®ãããã¹ã¿ãã¯é åã¯ãéã¿ã¹ã¯
|
---|
| 596 | ã³ã³ããã¹ãç¨ã®ã¹ã¿ãã¯é åã¨ãã¦ãå²è¾¼ã¿ãã³ãã©ãªã©ã§å©ç¨ãããã
|
---|
| 597 | (vrxxxxelf.ld)
|
---|
| 598 |
|
---|
| 599 | ã°ãã¼ãã«ãã¤ã³ã¿ã«ã¯ãã¢ãã¬ã¹ _gp ãè¨å®ããã_gp ã¯ããªã³ã«ã¹ã¯ãªããå
|
---|
| 600 |
|
---|
| 601 | ã§å®ç¾©ãããã®ã¨ããã
|
---|
| 602 | (vrxxxxelf.ld)
|
---|
| 603 |
|
---|
| 604 | k0ã¬ã¸ã¹ã¿ã«ã¯ãã«ã¼ãã«èµ·åæã¯éã¿ã¹ã¯ã³ã³ããã¹ãã§ã®å®è¡ã¨ããã®ã§ã1ã
|
---|
| 605 | è¨å®ããã
|
---|
| 606 |
|
---|
| 607 | (b) CP0ã¬ã¸ã¹ã¿ã®åæå
|
---|
| 608 | ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ãã³ã³ãã£ã°ã¬ã¸ã¹ã¿ãã¦ã©ããLoã¬ã¸ã¹ã¿ãæ¯è¼ã¬ã¸ã¹ã¿ã
|
---|
| 609 | åæåããã
|
---|
| 610 |
|
---|
| 611 | ã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿ã INIT_SR ã«åæåãããINIT_SR ã¯ãsys_config.h ã§å®ç¾©
|
---|
| 612 | ãããã¨ãæ³å®ãã¦ããããã®ã¨ããã¹ãã¼ã¿ã¹ã¬ã¸ã¹ã¿å
|
---|
| 613 | ã®å²è¾¼ã¿ãã¹ã¯ãè¨å®
|
---|
| 614 | ããããã®æãå²ãè¾¼ã¿ãã¹ã¯ã INIT_CORE_IPM (sys_config.h) ã®å¤ã«è¨å®ããã
|
---|
| 615 |
|
---|
| 616 | ã³ã³ãã£ã°ã¬ã¸ã¹ã¿ããINIT_CONFIG_MASK ã§åæåãããINIT_CONFIG_MASK ã¯ã
|
---|
| 617 | sys_config.h ã§å®ç¾©ãããã¨ãæ³å®ãã¦ããããã®ãã¹ã¯å¤ã¨ORæ¼ç®ãè¡ããã¨ã§ã
|
---|
| 618 | åæåãè¡ã£ã¦ããã
|
---|
| 619 |
|
---|
| 620 | (B) hardware_init_hook ã®å¼åºã
|
---|
| 621 |
|
---|
| 622 | hardware_init_hook ã 0 ã§ãªãå ´åã«ã¯ãhardware_init_hook ãå¼ã³åºãã
|
---|
| 623 | hardware_init_hook ã¯ãä¸è¬ã«ã«ã¼ãã«ãèµ·åãããåã«è¡ãå¿
|
---|
| 624 | è¦ãããã·ã¹ãã
|
---|
| 625 | ä¾åã®åæåï¼ä¾ï¼RAMã³ã³ããã¼ã©ã®åæåãªã©ï¼ãè¨è¿°ãããã®ã¨ããã
|
---|
| 626 | è¨è¿°å ´æã¯ãsys_support.S ãæ¨æºã¨ããã
|
---|
| 627 |
|
---|
| 628 | hardware_init_hook ãã©ãã§ãå®ç¾©ããã¦ããªãå ´åããªã³ã«ã§ãã®ã·ã³ãã«ã0
|
---|
| 629 | ã«å®ç¾©ãã(ãªã³ã«ã¹ã¯ãªããå
|
---|
| 630 | ã«è¨è¿°ãã)ã
|
---|
| 631 |
|
---|
| 632 | ãªããMIPS3ã¢ã¼ããã¯ãã£ã§ã¯ãä¸è¬ã«ä¸æ¬¡ãã£ãã·ã¥ã¨TLB (Translation
|
---|
| 633 | Lookaside Bufferï¼é«éå¤æç·©è¡æ©æ§)ãå
|
---|
| 634 | èµãã¦ããããããã»ããµãã¨ã«å¤å°ã®
|
---|
| 635 | éãããããããã§ããããã®åæåã¯ãhardware_init_hook å
|
---|
| 636 | ã«è¨è¿°ãããã¨ã
|
---|
| 637 | æ¨æºã¨ããã
|
---|
| 638 |
|
---|
| 639 | (C) bssã»ã¯ã·ã§ã³ã¨dataã»ã¯ã·ã§ã³ã®åæå
|
---|
| 640 |
|
---|
| 641 | bssã»ã¯ã·ã§ã³ï¼å« sbssã»ã¯ã·ã§ã³ï¼ãã¼ãã¯ãªã¢ããã
|
---|
| 642 |
|
---|
| 643 | dataã»ã¯ã·ã§ã³ï¼å« sdataã»ã¯ã·ã§ã³ï¼ãåæåãããROMå対å¿ã®ããã«ãROM
|
---|
| 644 | ãã RAM ã¸ã¨ãã³ãã¼ãè¡ãã
|
---|
| 645 |
|
---|
| 646 | (D) software_init_hook ã®å¼åºã
|
---|
| 647 |
|
---|
| 648 | software_init_hook ã 0 ã§ãªãå ´åã«ã¯ãsoftware_init_hook ãå¼ã³åºãã
|
---|
| 649 | software_init_hook ã¯ãã«ã¼ãã«ãèµ·åãããåã«è¡ãå¿
|
---|
| 650 | è¦ãããã½ããã¦ã§ã¢
|
---|
| 651 | ç°å¢(å
|
---|
| 652 | ·ä½çã«ã¯ãã©ã¤ãã©ãª)ä¾åã®åæåãè¡ãããã«ç¨æãã¦ããã
|
---|
| 653 |
|
---|
| 654 | software_init_hook ãã©ãã§ãå®ç¾©ããã¦ããªãå ´åããªã³ã«ã§ãã®ã·ã³ãã«ã
|
---|
| 655 | 0 ã«å®ç¾©ãã(ãªã³ã«ã¹ã¯ãªããå
|
---|
| 656 | ã«è¨è¿°ãã)ã
|
---|
| 657 |
|
---|
| 658 | (E) ã«ã¼ãã«ã®èµ·å
|
---|
| 659 |
|
---|
| 660 | kernel_start ã¸åå²ããã«ã¼ãã«ãèµ·åãããkernel_start ãããªã¿ã¼ã³ãã¦
|
---|
| 661 | ãããã¨ã¯æ³å®ãã¦ããªãã
|
---|
| 662 |
|
---|
| 663 | (reset.S)
|
---|
| 664 |
|
---|
| 665 | ï¼ï¼ã·ã¹ãã ä¾åé¨ã®æ©è½
|
---|
| 666 |
|
---|
| 667 | 3.1 ã·ã¹ãã ã¯ããã¯ãã©ã¤ã
|
---|
| 668 |
|
---|
| 669 | ã·ã¹ãã ã¯ããã¯ãã©ã¤ãã isig_tim ãå¼ã³åºãå¨æã¯ãsys_defs.h ä¸ã®
|
---|
| 670 | TIC_NUME 㨠TIC_DENO ã§å®ç¾©ããã¦ãã(ããã©ã«ãã§ã¯ 1ããªç§å¨æ)ããã®å®
|
---|
| 671 | 義ãå¤æ´ãããã¨ã§ãisig_tim ãå¼ã³åºãå¨æãå¤æ´ãããã¨ãã§ããããã ãã
|
---|
| 672 | ã¿ã¤ãã®ç²¾åº¦ãä¾çµ¦ã¯ããã¯ã«ä¾åãããããã¿ã¤ãã®ä¾çµ¦ã¯ããã¯åä½ã§ç«¯æ°ã«
|
---|
| 673 | ãªãå¤ãè¨å®ããå ´åã«ã¯ãisig_tim ã®å¼åºãå¨æã«èª¤å·®ãçãããã¨ã«ãªãã
|
---|
| 674 |
|
---|
| 675 | ããã©ã«ãã§ã¯ãä¸è¨ã®ã¿ã¤ããå©ç¨ãã¦ããã
|
---|
| 676 | (a) VR5500
|
---|
| 677 | ã¿ã¼ã²ãããã¼ãæè¼ã®ã¿ã¤ã(uPD71054)ã®ã¿ã¤ã0 (ä¾çµ¦ã¯ãã㯠2MHz)
|
---|
| 678 | (b) VR4131
|
---|
| 679 | VR4131å
|
---|
| 680 | èµRTCå
|
---|
| 681 | TClockã«ã¦ã³ã¿ (ä¾çµ¦ã¯ãã㯠33.2MHz)
|
---|
| 682 |
|
---|
| 683 | ãªããMIPS3ã³ã¢å
|
---|
| 684 | é¨ã®ã¿ã¤ãã¯ãã¦ã¼ã¶ã¼ãå©ç¨ãããã¨ãã§ããã
|
---|
| 685 |
|
---|
| 686 | 3.2 æ§è½è©ä¾¡ç¨ã·ã¹ãã æå»åç
|
---|
| 687 | §æ©è½
|
---|
| 688 |
|
---|
| 689 | MIPS3ã¿ã¼ã²ããä¾åé¨ã§ã¯ãæ§è½è©ä¾¡ç¨ã·ã¹ãã æå»åç
|
---|
| 690 | §æ©è½(vxget_tim)ããµ
|
---|
| 691 | ãã¼ããã¦ãããSYSUTIMåã¯UDå(64ãããã®ç¬¦å·ç¡ãæ´æ°å)ã§å®ç¾©ãã¦ããã
|
---|
| 692 |
|
---|
| 693 | æ§è½è©ä¾¡ç¨ã·ã¹ãã æå»ã®ç²¾åº¦ã¯ä¾çµ¦ã¯ããã¯åä½ã§ããããã¿ã¤ãã®ç¾å¨å¤ã
|
---|
| 694 | èªã¿åºãããã«ä¸æçã«ã¿ã¤ããåæ¢ãããå¿
|
---|
| 695 | è¦ããããããvxget_tim ãå¼ã¶
|
---|
| 696 | 度ã«ã·ã¹ãã ã¯ããã¯ãå°ãã¥ã¤é
|
---|
| 697 | ãããã¨ã«ãªããããã§ãSUPPORT_VXGET_TIM
|
---|
| 698 | ã¨ãããã¯ãã«ããããããã®ãµã¼ãã¹ã³ã¼ã«ããµãã¼ããããã©ãããåãæ¿
|
---|
| 699 | ããããããã«ãã¦ããã
|
---|
| 700 | (SUPPORT_VXGET_TIM ã¯ãsys_config.h ã®ä¸ã§ #define ããã¦ããã)
|
---|
| 701 |
|
---|
| 702 | 3.3 ã·ãªã¢ã«ã¤ã³ã¿ãã§ã¼ã¹ãã©ã¤ã
|
---|
| 703 |
|
---|
| 704 | (a) VR5500
|
---|
| 705 | ã·ãªã¢ã«ã¤ã³ã¿ãã§ã¼ã¹ãã©ã¤ãã¯ããã¼ãä¸æè¼ã®SCCï¼Serial Communication
|
---|
| 706 | Controlerï¼(TL16PIR552)ã®UART-CH#0ãUART-CH#1ããµãã¼ããã¦ãããã·ãªã¢ã«
|
---|
| 707 | ã®ãµãã¼ããããã¼ãæ°ã¯ãTNUM_PORTãã¯ãã«ã¦å®ç¾©ãããããã©ã«ãã§ã¯ã
|
---|
| 708 | ãã¼ãï¼ã¨ãã¼ãï¼ã®ï¼ãã¼ãããµãã¼ããã¦ããããªããã«ã¼ãã«ã®ãã°åºåç¨
|
---|
| 709 | ã«ã¯ãã¼ãï¼ã«ä½¿ç¨ãã¦ããã
|
---|
| 710 | (TNUM_PORT ã¯ãsys_config.h ã®ä¸ã§ #define ããã¦ããã)
|
---|
| 711 | (tl16pir552.h, tl16pir552.c)
|
---|
| 712 |
|
---|
| 713 | (b) VR4131
|
---|
| 714 | ã·ãªã¢ã«ã¤ã³ã¿ãã§ã¼ã¹ãã©ã¤ãã¯ãVR4131å
|
---|
| 715 | èµã®DSIU(ãã£ãã°ã·ãªã¢ã«ã¤ã³ã¿
|
---|
| 716 | ãã§ã¼ã¹ã¦ããã)ããµãã¼ããã¦ãããããã¯ãã«ã¼ãã«ã®ãã°åºåç¨ã«ä½¿ç¨ã
|
---|
| 717 | ã¦ããã
|
---|
| 718 |
|
---|
| 719 | ãªããSCU(ã·ãªã¢ã«ã¤ã³ã¿ãã§ã¼ã¹ã¦ããã)ã¯ããµãã¼ããã¦ããªãããããã
|
---|
| 720 | DSIUç¨ã®ã½ã¼ã¹ã³ã¼ããå¤æ´ãããã¨ã«ããã対å¿ãå¯è½ã§ããã
|
---|
| 721 |
|
---|
| 722 | (vr4131_dsiu.h, vr4131_dsiu.c)
|
---|
| 723 |
|
---|
| 724 | 3.4 ã¡ã¢ãªããã
|
---|
| 725 |
|
---|
| 726 | ã¡ã¢ãªãããã«é¢ããè¨å®ã¯ããªã³ã«ã¹ã¯ãªããã«ã¦è¡ããã³ã³ãã¤ã«æã«å©ç¨
|
---|
| 727 | ãããªã³ã«ã¹ã¯ãªããã«ã¤ãã¦ã¯ãMakefile.config ã«ã¦è¨å®ãè¡ãã
|
---|
| 728 | (vrxxxxelf.ld, Makefile.config)
|
---|
| 729 |
|
---|
| 730 | ãªããã³ã¼ãé åã 0xbfc00000 ãã¨ã0x9fc00000 ãã®ï¼é¨æ§æã«ãªã£ã¦ããã
|
---|
| 731 | ããã«ãã¹ã¿ã¼ãã¢ãã¬ã¹ãã0x00000000 ããã§ãªãããã«ãROMã«ç¼ãä»ãã
|
---|
| 732 | ã¨ããROMã¢ãã¬ã¹ã¨ã®å¯¾å¿ãåããªãããã®ããã«ãå©ç¨ããROMã©ã¤ã¿ã§ã
|
---|
| 733 | é©åãªãªãã»ããå¤ã®è¨å®ãããã³ãé©åãªãããã¡ã¯ãªã¢ã®è¨å®ãè¡ãå¿
|
---|
| 734 | è¦ã
|
---|
| 735 | ããã
|
---|
| 736 |
|
---|
| 737 | (a) VR5500
|
---|
| 738 | ã»æ ªå¼ä¼ç¤¾ãã¤ãã¹ã»ã©ã製ã®RTE-VR5500-CB(64)(CPU: VR5500)
|
---|
| 739 |
|
---|
| 740 | ä»åã®å®è£
|
---|
| 741 | ã«ããã¦ã¯ãã³ã¼ãé åãå¤æ´ããå½¢ã«ãããkseg0 ã¾ã㯠kseg1 ã§
|
---|
| 742 | ã®åä½ã®ä¸¡æ¹ãå¯è½ã§ãããå¤æ´ã¯ããªã³ã«ã¹ã¯ãªããå
|
---|
| 743 | ã§è¡ãã
|
---|
| 744 |
|
---|
| 745 | åã
|
---|
| 746 | ã®ã¡ã¢ãªãããã¯ä»¥ä¸éãã§ããã
|
---|
| 747 |
|
---|
| 748 | ã»kseg0é åï¼ãã£ãã·ã¥é åï¼ã®å ´å
|
---|
| 749 | 0x9fc00000 - 0x9fdfffff ã³ã¼ãé å (FLASH ROM 2Mbyte)
|
---|
| 750 | (0xa0000000 - 0xa00fffff ROMé åã®ãã©ã¼ç¨ã«ç¢ºä¿
|
---|
| 751 | (SRAM 1Mbyte))
|
---|
| 752 | 0xa8000000 - 0xabffffff ãã¼ã¿é å (DRAM 64Mbyte)
|
---|
| 753 | - 0xabffffff éã¿ã¹ã¯ã³ã³ããã¹ãç¨ã¹ã¿ãã¯
|
---|
| 754 | 0xbfc00000 - 0xbfc007ff ä¾å¤ãã¯ã¿ãã¼ãã«ã»åæåå¦çé å
|
---|
| 755 | (exce_vec_map, reset ã»ã¯ã·ã§ã³ã§ä½¿ç¨)
|
---|
| 756 | (vr5500elf.ld)
|
---|
| 757 |
|
---|
| 758 | ã»kseg1é åï¼éãã£ãã·ã¥é åï¼ã®å ´å
|
---|
| 759 | (0xa0000000 - 0xa00fffff ROMé åã®ãã©ã¼ç¨ã«ç¢ºä¿
|
---|
| 760 | (SRAM 1Mbyte))
|
---|
| 761 | 0xa8000000 - 0xabffffff ãã¼ã¿é å (DRAM 64Mbyte)
|
---|
| 762 | - 0xabffffff éã¿ã¹ã¯ã³ã³ããã¹ãç¨ã¹ã¿ãã¯
|
---|
| 763 | 0xbfc00000 - 0xbfcfffff ã³ã¼ãé å (ROM 1Mbyte)
|
---|
| 764 | (vr5500elf.ld)
|
---|
| 765 |
|
---|
| 766 | (b) VR4131
|
---|
| 767 | ã»äº¬é½ãã¤ã¯ãã³ã³ãã¥ã¼ã¿æ ªå¼ä¼ç¤¾è£½ KZ-Vr4131PCI-01 (CPU:VR4131)
|
---|
| 768 |
|
---|
| 769 | ä»åã®å®è£
|
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| 770 | ã«ããã¦ã¯ãã³ã¼ãé åãå¤æ´ããå½¢ã«ãããkseg0 ã¾ã㯠kseg1 ã§
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---|
| 771 | ã®åä½ã®ä¸¡æ¹ãå¯è½ã§ãããå¤æ´ã¯ããªã³ã«ã¹ã¯ãªããå
|
---|
| 772 | ã§è¡ãã
|
---|
| 773 |
|
---|
| 774 | åã
|
---|
| 775 | ã®ã¡ã¢ãªãããã¯ä»¥ä¸éãã§ããã
|
---|
| 776 |
|
---|
| 777 | ã»kseg0é åï¼ãã£ãã·ã¥é åï¼ã®å ´å
|
---|
| 778 | 0x9c000000 - 0x9c03ffff éã¿ã¹ã¯ã³ã³ããã¹ãç¨ã¹ã¿ãã¯
|
---|
| 779 | (SRAM 256kbyte)
|
---|
| 780 | 0x9fc00700 - 0x9fdfffff ã³ã¼ãé å (FLASH ROM 2Mbyteå¼±)
|
---|
| 781 | (0xa0000000 - 0xa01fffff ROMé åã®ãã©ã¼ç¨ã«ç¢ºä¿
|
---|
| 782 | (DRAM 2Mbyte))
|
---|
| 783 | 0xa0200000 - 0xa0ffffff ãã¼ã¿é å (DRAM 14Mbyte)
|
---|
| 784 | 0xbfc00000 - 0xbfc006ff ä¾å¤ãã¯ã¿ãã¼ãã«ã»åæåå¦çé å
|
---|
| 785 | (FLASH ROM 0x700byte)
|
---|
| 786 | (exce_vec_map, reset ã»ã¯ã·ã§ã³ã§ä½¿ç¨)
|
---|
| 787 | (vr4131elf.ld)
|
---|
| 788 |
|
---|
| 789 | ã»kseg1é åï¼éãã£ãã·ã¥é åï¼ã®å ´å
|
---|
| 790 | (0xa0000000 - 0xa01fffff ROMé åã®ãã©ã¼ç¨ã«ç¢ºä¿
|
---|
| 791 | (DRAM 2Mbyte))
|
---|
| 792 | 0xa0200000 - 0xa0ffffff ãã¼ã¿é å (DRAM 14Mbyte)
|
---|
| 793 | 0xac000000 - 0xac03ffff éã¿ã¹ã¯ã³ã³ããã¹ãç¨ã¹ã¿ãã¯
|
---|
| 794 | (SRAM 256kbyte)
|
---|
| 795 | 0xbfc00000 - 0xbfdfffff ã³ã¼ãé å (FLASH ROM 2Mbyte)
|
---|
| 796 | (vr4131elf.ld ã«å¤æ´ãå ãããã¨ã§å¯¾å¿å¯è½)
|
---|
| 797 |
|
---|
| 798 | 3.5 CP0ãã¶ã¼ãã«ã¤ãã¦
|
---|
| 799 |
|
---|
| 800 | MIPSã§ã¯ãããã»ããµã«ãã£ã¦ã¯CP0ãã¶ã¼ããåå¨ãããã®ãããããã®ããã®
|
---|
| 801 | 対å¿ã¨ãã¦ãNOP_FOR_CP0_HAZARDãã¯ããå®ç¾©ãããããã¯ãcpu_support.Så
|
---|
| 802 | ã§
|
---|
| 803 | å©ç¨ãã¦ããã
|
---|
| 804 |
|
---|
| 805 | å®ç¾©æ¹æ³ã¯ãå¿
|
---|
| 806 | è¦ãªæ°åã ãnopã並ã¹ããã¨ã«ãªãã
|
---|
| 807 | (vr4131.h, vr5500.h)
|
---|
| 808 |
|
---|
| 809 | ï¼ï¼éçºç°å¢ã®æ§ç¯
|
---|
| 810 |
|
---|
| 811 | éçºç°å¢ã®æ§ç¯æ¹æ³ã«ã¤ãã¦ã¯ãGNUéçºç°å¢æ§ç¯ããã¥ã¢ã«ãåç
|
---|
| 812 | §ãããã¨ã
|
---|
| 813 | ãªããã¿ã¼ã²ããç°å¢ <TARGET> ã®å¤ã«ã¤ãã¦ã¯ã以ä¸ãåèã®ãã¨ã
|
---|
| 814 | éçºã«ã¯Windows2000SP4ä¸ã§Cygwinãç¨ããã
|
---|
| 815 |
|
---|
| 816 | åä½ç¢ºèªã¯ãä¸è¨ã®ãã¼ã«ã«ã¦ç¢ºèªãã¦ããããã®ãã¼ã«ãããã©ã«ãã¨ããã
|
---|
| 817 |
|
---|
| 818 | ã»GNUããé
|
---|
| 819 | å¸ããã¦ãããªãªã¸ãã«ã®GCCãªã©ãã½ã¼ã¹ããæ§ç¯ãããã¼ã«
|
---|
| 820 | åä½ç¢ºèªãè¡ã£ãã¨ãã®ãã¼ã¸ã§ã³ã¯ä»¥ä¸ã®éãã§ããã
|
---|
| 821 | BINUTILS : 2.13.2.1
|
---|
| 822 | GCC-CORE : 3.3.2
|
---|
| 823 | NEWLIB : 1.11.0
|
---|
| 824 | ï¼ãã®å ´åã®ã¿ã¼ã²ããç°å¢ <TARGET> ã«ã¯ãmipsel-nec-elf ãç¨ãããï¼
|
---|
| 825 |
|
---|
| 826 | ï¼ï¼å¶éäºé
|
---|
| 827 |
|
---|
| 828 |
|
---|
| 829 | ã»ããã°ã¨ã³ãã£ã¢ã³ã¯ãµãã¼ããã¦ããªãã
|
---|
| 830 | ï¼ãªãã«ã¨ã³ãã£ã¢ã³ã®ã¿ããµãã¼ããã¦ãããï¼
|
---|
| 831 | (sys_defs.h)
|
---|
| 832 |
|
---|
| 833 | ã»64bitã¢ã¼ãã¯ãµãã¼ããã¦ããªãã
|
---|
| 834 |
|
---|
| 835 | ã»VR5500å
|
---|
| 836 | èµæµ®åå°æ°ç¹ã¦ãããã¯ãµãã¼ããã¦ããªãã
|
---|
| 837 |
|
---|
| 838 | ã»ã¹ã¿ã¼ãã¢ããã«ã¼ãã³ããªã³ã¯ã¹ã¯ãªããã¯ãC++ã«å¯¾å¿ãã¦ããªãã
|
---|
| 839 |
|
---|
| 840 | ï¼ï¼ãã®ä»
|
---|
| 841 |
|
---|
| 842 | 6.1 ãã£ã¬ã¯ããªã»ãã¡ã¤ã«æ§æ
|
---|
| 843 |
|
---|
| 844 | MIPS3 ã¿ã¼ã²ããä¾åé¨ã®åãã¡ã¤ã«ã®æ¦è¦ã¯æ¬¡ã®éãã
|
---|
| 845 |
|
---|
| 846 | config/mips3/
|
---|
| 847 | MIPS3å
|
---|
| 848 | ±éé¨
|
---|
| 849 |
|
---|
| 850 | Makefile.config Makefileã®MIPS3ã¿ã¼ã²ããä¾åã®å®ç¾©
|
---|
| 851 | cpu_defs.h ããã»ããµä¾åé¨ã®ã¢ããªã±ã¼ã·ã§ã³ç¨å®ç¾©
|
---|
| 852 | cpu_config.h ããã»ããµä¾åé¨ã®æ§æå®ç¾©
|
---|
| 853 | cpu_config.c ããã»ããµä¾åé¨ã®é¢æ°
|
---|
| 854 | cpu_support.S ããã»ããµä¾åé¨ã®ãµãã«ã¼ãã³
|
---|
| 855 | cpu_context.h ã³ã³ããã¹ãæä½
|
---|
| 856 | cpu_rename.def ã«ã¼ãã«ã®å
|
---|
| 857 | é¨èå¥åã®ãªãã¼ã å®ç¾©
|
---|
| 858 | cpu_rename.h ã«ã¼ãã«ã®å
|
---|
| 859 | é¨èå¥åã®ãªãã¼ã
|
---|
| 860 | cpu_unrename.h ã«ã¼ãã«ã®å
|
---|
| 861 | é¨èå¥åã®ãªãã¼ã 解é¤
|
---|
| 862 | tool_defs.h éçºç°å¢ä¾åé¨ã®ã¢ããªã±ã¼ã·ã§ã³ç¨å®ç¾©
|
---|
| 863 | ï¼GNUéçºç°å¢ç¨ï¼
|
---|
| 864 | tool_config.h éçºç°å¢ä¾åé¨ã®æ§æå®ç¾©ï¼GNUéçºç°å¢ç¨ï¼
|
---|
| 865 | makeoffset.c offset.h çæãµãã¼ãããã°ã©ã
|
---|
| 866 | cpu_insn.h ä½ã¬ãã«ã®ããã»ããµæä½ã«ã¼ãã³
|
---|
| 867 | exception_vector.S ä¾å¤ãã¯ã¿ã¢ãã¬ã¹ã§ã®åå²å¦ç
|
---|
| 868 | start.S ã¹ã¿ã¼ãã¢ããã¢ã¸ã¥ã¼ã«
|
---|
| 869 | mips3.h MIPS3ã®ã¬ã¸ã¹ã¿åãªã©ã®å®ç¾©
|
---|
| 870 | util.h ãããçªå·ãªã©ã®å®ç¾©
|
---|
| 871 |
|
---|
| 872 | config/mips3/vr5500/
|
---|
| 873 | VR5500(NEC)対å¿ã·ã¹ãã ä¾åé¨
|
---|
| 874 | (æ ªå¼ä¼ç¤¾ãã¤ãã¹ã»ã©ã製 RTE-VR5500-CB(64) 対å¿)
|
---|
| 875 |
|
---|
| 876 | Makefile.config Makefileã®RTE-VR5500-CB(64)ã·ã¹ãã ä¾åå®ç¾©
|
---|
| 877 | sys_defs.h ã·ã¹ãã ä¾åé¨ã®ã¢ããªã±ã¼ã·ã§ã³ç¨å®ç¾©
|
---|
| 878 | sys_config.h ã·ã¹ãã ä¾åé¨ã®æ§æå®ç¾©
|
---|
| 879 | sys_config.c ã·ã¹ãã ä¾åé¨ã®é¢æ°
|
---|
| 880 | sys_support.S ã·ã¹ãã ä¾åé¨ã®ãµãã«ã¼ãã³
|
---|
| 881 | sys_rename.def ã«ã¼ãã«ã®å
|
---|
| 882 | é¨èå¥åã®ãªãã¼ã å®ç¾©
|
---|
| 883 | sys_rename.h ã«ã¼ãã«ã®å
|
---|
| 884 | é¨èå¥åã®ãªãã¼ã
|
---|
| 885 | sys_unrename.h ã«ã¼ãã«ã®å
|
---|
| 886 | é¨èå¥åã®ãªãã¼ã 解é¤
|
---|
| 887 | sys_tool_config.h éçºç°å¢ä¾åé¨ã®ã·ã¹ãã ä¾åé¨æ§æå®ç¾©
|
---|
| 888 | ï¼GNUéçºç°å¢ç¨ï¼
|
---|
| 889 | hw_timer.h ã¿ã¤ãæä½ã«ã¼ãã³
|
---|
| 890 | hw_serial.h SIOãã©ã¤ã
|
---|
| 891 | hw_serial.cfg SIOãã©ã¤ãã®ã³ã³ãã£ã®ã¥ã¬ã¼ã·ã§ã³ãã¡ã¤ã«
|
---|
| 892 | vr5500.h VR5500ã®ãã¼ãã¦ã§ã¢å®ç¾©
|
---|
| 893 | pic_icu.h å²è¾¼ã¿ã³ã³ããã¼ã©é¢ä¿ã®å®ç¾©
|
---|
| 894 | rte_vr5500_cb.h RTE-VR5500-CB(64)ãã¼ãã®ãã¼ãã¦ã§ã¢å®ç¾©
|
---|
| 895 | upd71054.h NEC社μPD71054ç¨ ã¿ã¤ããã©ã¤ãé¢é£ã®å®ç¾©
|
---|
| 896 | (ã¿ã¼ã²ãããã¼ãRTE-VR5500-CBæè¼ã®ã¿ã¤ã)
|
---|
| 897 | vr5500_elf.ld ãªã³ã«ã¹ã¯ãªãã(ROM åç¨)
|
---|
| 898 | vr5500_elf_ram.ld ãªã³ã«ã¹ã¯ãªãã(RAM 転éç¨)
|
---|
| 899 |
|
---|
| 900 | config/mips3/vr4131/
|
---|
| 901 | VR4131(NEC)対å¿ã·ã¹ãã ä¾åé¨
|
---|
| 902 | (京é½ãã¤ã¯ãã³ã³ãã¥ã¼ã¿æ ªå¼ä¼ç¤¾è£½ KZ-Vr4131PCI-01 対å¿)
|
---|
| 903 |
|
---|
| 904 | Makefile.config Makefileã®KZ-Vr4131PCI-01ã·ã¹ãã ä¾åå®ç¾©
|
---|
| 905 | sys_defs.h ã·ã¹ãã ä¾åé¨ã®ã¢ããªã±ã¼ã·ã§ã³ç¨å®ç¾©
|
---|
| 906 | sys_config.h ã·ã¹ãã ä¾åé¨ã®æ§æå®ç¾©
|
---|
| 907 | sys_config.c ã·ã¹ãã ä¾åé¨ã®é¢æ°
|
---|
| 908 | sys_support.S ã·ã¹ãã ä¾åé¨ã®ãµãã«ã¼ãã³
|
---|
| 909 | sys_rename.def ã«ã¼ãã«ã®å
|
---|
| 910 | é¨èå¥åã®ãªãã¼ã å®ç¾©
|
---|
| 911 | sys_rename.h ã«ã¼ãã«ã®å
|
---|
| 912 | é¨èå¥åã®ãªãã¼ã
|
---|
| 913 | sys_unrename.h ã«ã¼ãã«ã®å
|
---|
| 914 | é¨èå¥åã®ãªãã¼ã 解é¤
|
---|
| 915 | sys_tool_config.h éçºç°å¢ä¾åé¨ã®ã·ã¹ãã ä¾åé¨æ§æå®ç¾©
|
---|
| 916 | ï¼GNUéçºç°å¢ç¨ï¼
|
---|
| 917 | hw_timer.h ã¿ã¤ãæä½ã«ã¼ãã³
|
---|
| 918 | hw_serial.h SIOãã©ã¤ã
|
---|
| 919 | hw_serial.cfg SIOãã©ã¤ãã®ã³ã³ãã£ã®ã¥ã¬ã¼ã·ã§ã³ãã¡ã¤ã«
|
---|
| 920 | vr4131.h VR4131ã®ãã¼ãã¦ã§ã¢å®ç¾©
|
---|
| 921 | vr4131_sil.h VR4131ã®ãã¼ãã¦ã§ã¢ã¢ã¯ã»ã¹ç¨ã·ã¹ãã
|
---|
| 922 | ã¤ã³ã¿ãã§ã¼ã¹ã¬ã¤ã¤ã¼å®ç¾©
|
---|
| 923 | vr4131_icu.h VR4131å
|
---|
| 924 | èµå²è¾¼ã¿ã³ã³ããã¼ã«ã¦ãããICUç¨
|
---|
| 925 | å²è¾¼ã¿é¢é£ã®å®ç¾©
|
---|
| 926 | vr4131_dsiu.h VR4131å
|
---|
| 927 | èµãã£ãã°ã·ãªã¢ã«ã¤ã³ã¿ãã§ã¼ã¹ã¦ããã
|
---|
| 928 | DSICç¨ ç°¡æSIOãã©ã¤ãé¢é£ã®å®ç¾©
|
---|
| 929 | vr4131_dsiu.c VR4131å
|
---|
| 930 | èµãã£ãã°ã·ãªã¢ã«ã¤ã³ã¿ãã§ã¼ã¹ã¦ããã
|
---|
| 931 | DSICç¨ ç°¡æSIOãã©ã¤ã
|
---|
| 932 | vr4131_rtc.h VR4131å
|
---|
| 933 | èµãªã¢ã«ã¿ã¤ã ã¯ããã¯ã¦ãããRTCç¨
|
---|
| 934 | ã¿ã¤ããã©ã¤ãé¢é£ã®å®ç¾©
|
---|
| 935 | kz_vr4131pci_01.h KZ-Vr4131PCI-01ãã¼ãã®ãã¼ãã¦ã§ã¢å®ç¾©
|
---|
| 936 | vr4131_elf.ld ãªã³ã«ã¹ã¯ãªãã(ROM åç¨)
|
---|
| 937 | vr4131_elf_gdb.ld ãªã³ã«ã¹ã¯ãªãã(GDB ã¹ã¿ãç¨)
|
---|
| 938 |
|
---|
| 939 | ï¼ä»¥ä¸ãVR5500æè¼ã¿ã¼ã²ãããã¼ãRTE-VR5500-CBåãï¼
|
---|
| 940 | pdic/simple_sio
|
---|
| 941 | tl16pir552.h TI社TL16PIR552ç¨ ç°¡æSIOãã©ã¤ãé¢é£ã®å®ç¾©
|
---|
| 942 | tl16pir552.c TI社TL16PIR552ç¨ ç°¡æSIOãã©ã¤ã
|
---|
| 943 | (ã¿ã¼ã²ãããã¼ãRTE-VR5500-CBæè¼ã®ã·ãªã¢ã«
|
---|
| 944 | ã³ã³ããã¼ã©)
|
---|
| 945 |
|
---|
| 946 | 6.2 ãã®ä»
|
---|
| 947 |
|
---|
| 948 | MIPS ã¢ã¼ããã¯ãã£ãæ¡ç¨ããããã»ããµã®ç¨®é¡ã¯ãé常ã«å¤ãã§ãããã®ä¸ã§ã
|
---|
| 949 | æã
|
---|
| 950 | éçºè
|
---|
| 951 | å´ã®ã¿ã¼ã²ããç°å¢ã®åé¡ãããä»åã®å®è£
|
---|
| 952 | 㯠VR4131ãVR5500 ã¨ãã
|
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| 953 | ç¹å®ã®ããã»ããµã®ã¿ã®ãµãã¼ãã¨ãªã£ã¦ãã¾ãã
|
---|
| 954 |
|
---|
| 955 | ããã§ããããã®ãé常ã«å¤å²ã«æ¸¡ã£ã¦ããããã»ããµã®åä½ãã¹ãã«ååãã¦
|
---|
| 956 | ããã ããæ¹ãåéãã¦ããã¾ãã
|
---|
| 957 |
|
---|
| 958 | æ¯éãä¸è¨ã¸ã¨ãé£çµ¡ãã ããããå¾
|
---|
| 959 | ã¡ãã¦ããã¾ãã
|
---|
| 960 |
|
---|
| 961 | âTOPPERSããã¸ã§ã¯ã ã¡ã¼ãªã³ã°ãªã¹ã TOPPERS-USER
|
---|
| 962 |
|
---|
| 963 | âå®®åçç£æ¥æè¡ç·åã»ã³ã¿ã¼ æ©æ¢°é»åæ
|
---|
| 964 | å ±æè¡é¨ æ
|
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| 965 | å ±æè¡éçºç
|
---|
| 966 | TEL : 022-377-8700ãe-mail : micom@mit.pref.miyagi.jp
|
---|
| 967 |
|
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| 968 |
|
---|
| 969 | ï¼ï¼ã«ã¼ãã«ç§»æ¤è
|
---|
| 970 | ã¸ã®æ
|
---|
| 971 | å ±
|
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| 972 |
|
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| 973 | ããããã¯ãä»åã®MIPSã¢ã¼ããã¯ãã£ã¸ã®å®è£
|
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| 974 | ããä»åå®è£
|
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| 975 | ãè¡ã£ãã¿ã¼ã²ãã
|
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| 976 | ããã»ããµä»¥å¤ã®MIPSã¢ã¼ããã¯ãã£ããã»ããµã¸ã¨ç§»æ¤ããããã®æ
|
---|
| 977 | å ±ã«ã¤ãã¦
|
---|
| 978 | ã¾ã¨ããã
|
---|
| 979 |
|
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| 980 | 7.1 å²è¾¼ã¿ã³ã³ããã¼ã©ICUã¨CPUã¨ã®ã¤ã³ã¿ãã§ã¼ã¹ã«ã¤ãã¦
|
---|
| 981 |
|
---|
| 982 | MIPS3å
|
---|
| 983 | ±éé¨ã§ã¯ãå²è¾¼ã¿ã¨CPUä¾å¤ã¾ã§ã®åå²ã¯è¡ããã¾ããCPUä¾å¤ã«ãããå¦
|
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| 984 | çã¯è¡ããããããå²è¾¼ã¿è¦å ã«å¯¾ããåå²ã¯è¡ããªããããã¯ãMIPS3ã«æ¥ç¶ã
|
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| 985 | ããå²è¾¼ã¿ã³ã³ããã¼ã©ãç¹å®ã§ããªããã¨ã¨ããã®å¤æ§æ§ãé常ã«å¤§ãããã
|
---|
| 986 | ã§ããã
|
---|
| 987 | (cpu_support.S)
|
---|
| 988 |
|
---|
| 989 | ããã§ã以ä¸ã«ããã®åå²ã®ããã®ã¤ã³ã¿ãã§ã¼ã¹ãªãã³ã«ããã®ä»ã®ã¨ããã§
|
---|
| 990 | ä½æããªããã°ãªããªããã¯ããªã©ãã¾ã¨ããã
|
---|
| 991 | (cpu_support.S ; proc_interrupt以ä¸)
|
---|
| 992 |
|
---|
| 993 | ã»å²è¾¼ã¿è¦å å¤å¥é¢ä¿
|
---|
| 994 |
|
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| 995 | (1)å²è¾¼ã¿è¦å çªå·
|
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| 996 | å²è¾¼ã¿è¦å ãå¤æå¾ã«ãå²è¾¼ã¿ãã³ãã©ãå¼ã³åºãããã®å¼æ°ã¨ãªãçªå·ã
|
---|
| 997 | 0 ã 7ã¯ãMIPS3å
|
---|
| 998 | ±éé¨ã«ãã㦠INTNO_IP0 ã INTNO_IP7 ã¨ãã¦å®ç¾©ãã¦ããã
|
---|
| 999 | (mips3.h)
|
---|
| 1000 | ããã§ãã·ã¹ãã ä¾åé¨ã§ã¯ã8çªä»¥éãå®ç¾©ããã
|
---|
| 1001 |
|
---|
| 1002 | (2)PUSH_ICU_IPM å²è¾¼ã¿ã³ã³ããã¼ã©ã®å²è¾¼ã¿ãã¹ã¯ã®å¾
|
---|
| 1003 | é¿
|
---|
| 1004 |
|
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| 1005 | ãæ©è½ã
|
---|
| 1006 | å²è¾¼ã¿ã³ã³ããã¼ã©ã®å²è¾¼ã¿ãã¹ã¯ããã¹ã¿ãã¯ã¸ä¿åããã
|
---|
| 1007 | ã¢ã»ã³ãã©ã§æ¸ãããã¯ãã¨ãã¦å®ç¾©ããcpu_support.Så
|
---|
| 1008 | ã§ä½¿ç¨ããã
|
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| 1009 | å¤é¨ã«å²è¾¼ã¿ã³ã³ããã¼ã©ãå©ç¨ããªãã·ã¹ãã ã§ã¯ã空ã§å®ç¾©ãããã¨ã
|
---|
| 1010 |
|
---|
| 1011 | (3)POP_ICU_IPM å²è¾¼ã¿ã³ã³ããã¼ã©ã®å²è¾¼ã¿ãã¹ã¯ã®å¾©å
|
---|
| 1012 |
|
---|
| 1013 |
|
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| 1014 | ãæ©è½ã
|
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| 1015 | å²è¾¼ã¿ã³ã³ããã¼ã©ã®å²è¾¼ã¿ãã¹ã¯ããã¹ã¿ãã¯ãã復å
|
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| 1016 | ããã
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