| 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) 2000-2002 by Embedded and Real-Time Systems Laboratory
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| 7 | * Toyohashi Univ. of Technology, JAPAN
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| 8 | * Copyright (C) 2005 by Freelines CO.,Ltd
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| 9 | *
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| 10 | * ä¸è¨èä½æ¨©è
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| 11 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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| 12 | * ã«ãã£ã¦å
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| 13 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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| 14 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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| 15 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 16 | å¸ï¼ä»¥ä¸ï¼
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| 17 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 18 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 19 | * 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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| 20 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 21 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 22 | * ç¨ã§ããå½¢ã§åé
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| 23 | å¸ããå ´åã«ã¯ï¼åé
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| 24 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 25 | * è
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| 26 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 27 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 28 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 29 | * ç¨ã§ããªãå½¢ã§åé
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| 30 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 31 | * ã¨ï¼
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| 32 | * (a) åé
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| 33 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 34 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 35 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 36 | * (b) åé
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| 37 | å¸ã®å½¢æ
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| 38 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 39 | * å ±åãããã¨ï¼
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| 40 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 41 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 42 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 43 | 責ãããã¨ï¼
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| 44 | *
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| 45 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 46 | ã
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| 47 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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| 48 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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| 49 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 50 | *
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| 51 | * @(#) $Id: sys_support.S,v 1.2 2007/01/05 02:10:17 honda Exp $
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| 52 | */
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| 53 |
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| 54 | /*
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| 55 | * ã¿ã¼ã²ããã·ã¹ãã ä¾åã¢ã¸ã¥ã¼ã« ã¢ã»ã³ããªè¨èªé¨ï¼TK-850ES/SG2ç¨ï¼
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| 56 | */
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| 57 |
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| 58 | #define _MACRO_ONLY
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| 59 | #include "jsp_kernel.h"
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| 60 | #include "v850asm.inc"
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| 61 |
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| 62 | #define Set(x,y,z) Lea x, r6; Lea y, r7; st.##z r7, 0[r6]
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| 63 |
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| 64 | /*
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| 65 | * ä½ã¬ãã«ã®ã¿ã¼ã²ããã·ã¹ãã ä¾åã®åæå
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| 66 | *
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| 67 | * ã¹ã¿ã¼ãã¢ããã¢ã¸ã¥ã¼ã«ã®ä¸ã§ï¼ã¡ã¢ãªã®åæåã®åã«å¼ã³åºãããï¼
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| 68 | */
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| 69 |
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| 70 | .text
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| 71 | .globl hardware_init_hook
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| 72 | hardware_init_hook:
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| 73 |
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| 74 | /* ã·ã¹ãã ã¦ã§ã¤ãã³ã³ããã¼ã«ã¬ã¸ã¹ã¿ï¼5MHzÃ4=20MHzæ */
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| 75 | Set(VSWC, 0x01, b)
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| 76 | nop
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| 77 | /* ä¿è·ãããç¹å®ã¬ã¸ã¹ã¿ã¸ã®ã¢ã¯ã»ã¹
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| 78 | ããã»ããµã¯ããã¯ã³ã³ããã¼ã«ã¬ã¸ã¹ã¿ï¼ã¡ã¤ã³ã¯ããã¯ã®fxxåºå(PCC=0) */
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| 79 | lea PRCMD, r6
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| 80 | lea PCC, r7
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| 81 | st.b r0, 0[r6]
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| 82 | st.b r0, 0[r7]
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| 83 | nop
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| 84 | nop
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| 85 | nop
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| 86 | nop
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| 87 | nop
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| 88 | Set(PLLCTL,0x03, b) /* PLLã³ã³ããã¼ã«ã¬ã¸ã¹ã¿ï¼PLLåä½ */
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| 89 | Set(WDTM2, 0x07, b) /* WDTM2 stop */
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| 90 | /* å¤é¨ãã¹ã®è¨å® */
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| 91 | Set(EXIMC, 0x01, b) /* å¤é¨ãã¹ã¤ã³ã¿ã¼ãã§ã¤ã¹ã¢ã¼ãã¬ã¸ã¹ã¿ï¼ã»ãã¬ã¼ããã¹ */
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| 92 | Set(PMC9, 0xFFFF, h) /* P9ã¢ã¼ãã³ã³ããã¼ã«ã¬ã¸ã¹ã¿ï¼A0-A15åºå */
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| 93 | Set(PMCCM, 0x02, b) /* PCMã¢ã¼ãã³ã³ããã¼ã«ã¬ã¸ã¹ã¿ï¼Clock Outåºå */
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| 94 | Set(PMCCT, 0x11, b) /* PCTã¢ã¼ãã³ã³ããã¼ã«ã¬ã¸ã¹ã¿ï¼RD/WR0åºå */
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| 95 | Set(PMCDL, 0xFFFF, h) /* PDLã¢ã¼ãã³ã³ããã¼ã«ã¬ã¸ã¹ã¿ï¼AD0-AD15åºå */
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| 96 | Set(BSC, 0x5555, h) /* ãã¹ãµã¤ãºã¬ã¸ã¹ã¿ï¼All 16bit */
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| 97 | Set(DWC0, 0x0000, h) /* ãã¼ã¿ã¦ã§ã¤ãå¶å¾¡ã¬ã¸ã¹ã¿ï¼wait=0 */
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| 98 | Set(AWC, 0xFF00, h) /* ã¢ãã¬ã¹ã¦ã§ã¤ãå¶å¾¡ã¬ã¸ã¹ã¿ï¼wait=0 */
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| 99 | Set(BCC, 0xAA00, h) /* ãã¹ãµã¤ã¯ã«å¶å¾¡ã¬ã¸ã¹ã¿ï¼wait=0 */
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| 100 | /* NICè¨å® */
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| 101 | Set(PMC0, 0x10, b) /* P04=INTP1 */
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| 102 | Set(PMCT, 0xBF, b) /* ASTB=out(LAN CS) */
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| 103 | Set(PCT, 0x00, b) /* ASTB=Low out */
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| 104 | Set(PM5, 0xFD, b) /* LAN Reset out */
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| 105 | Set(P5 , 0x00, b) /* LAN Reset out */
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| 106 |
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| 107 | jmp r31
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| 108 |
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| 109 |
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| 110 |
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| 111 | /* æ¨æºå²è¾¼ã¿å¦çã¨ã¹ãºã¼ãµã¼ */
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| 112 | .macro StandardInterruptEntry name
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| 113 | .globl \name
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| 114 | \name:
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| 115 | jr vector_handler
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| 116 | nop;nop;nop;nop;nop;nop
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| 117 | .endm
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| 118 |
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| 119 | .macro ReservedInterruptEntry
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| 120 | nop;nop;nop;nop;nop;nop;nop;nop
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| 121 | .endm
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| 122 |
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| 123 | /*
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| 124 | * å²è¾¼ã¿ãã³ãã©é¨åã®å®ç¾©
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| 125 | * ã¨ããããä¸ç®æã«éããã
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| 126 | */
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| 127 |
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| 128 | .section ".vectors","ax"
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| 129 | .align 4
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| 130 | .globl __reset
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| 131 | __reset:
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| 132 | jr start
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| 133 | nop;nop;nop;nop;nop;nop
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| 134 |
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| 135 | StandardInterruptEntry NMI
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| 136 | StandardInterruptEntry INTWDT2
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| 137 | ReservedInterruptEntry
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| 138 | StandardInterruptEntry TRAP0
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| 139 | StandardInterruptEntry TRAP1
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| 140 | StandardInterruptEntry DBG
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| 141 | /*#-------------------------------------------------------------------
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| 142 | # SECURITY_ID
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| 143 | #-------------------------------------------------------------------*/
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| 144 | /* .section "SECURITY_ID" */
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| 145 | .word 0xffffffff /* --0-3 byte code,Address is 0x70-0x73 */
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| 146 | .word 0xffffffff /* --4-7 byte code,Address is 0x74-0x77 */
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| 147 | .hword 0xffff /* --8-9 byte code,Address is 0x78-0x79 */
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| 148 | /*#-------------------------------------------------------------------
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| 149 | # OPTION_BYTES
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| 150 | #-------------------------------------------------------------------*/
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| 151 | /* .section "OPTION_BYTES" */
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| 152 | .hword 0x0000 /* --0-1 byte code,Address is 0x7a-0x7b */
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| 153 | .hword 0x0000 /* --2-3 byte code,Address is 0x7c-0x7d */
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| 154 | .hword 0x0000 /* --4-5 byte code,Address is 0x7e-0x7f */
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| 155 |
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| 156 | StandardInterruptEntry INTLVI
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| 157 | StandardInterruptEntry INTP0
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| 158 | StandardInterruptEntry INTP1
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| 159 | StandardInterruptEntry INTP2
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| 160 | StandardInterruptEntry INTP3
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| 161 | StandardInterruptEntry INTP4
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| 162 | StandardInterruptEntry INTP5
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| 163 | StandardInterruptEntry INTP6
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| 164 | StandardInterruptEntry INTP7
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| 165 | StandardInterruptEntry INTTQ0OV
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| 166 | StandardInterruptEntry INTTQ0CC0
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| 167 | StandardInterruptEntry INTTQ0CC1
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| 168 | StandardInterruptEntry INTTQ0CC2
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| 169 | StandardInterruptEntry INTTQ0CC3
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| 170 | StandardInterruptEntry INTTP0OV
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| 171 | StandardInterruptEntry INTTP0CC0
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| 172 | StandardInterruptEntry INTTP0CC1
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| 173 | StandardInterruptEntry INTTP1OV
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| 174 | StandardInterruptEntry INTTP1CC0
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| 175 | StandardInterruptEntry INTTP1CC1
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| 176 | StandardInterruptEntry INTTP2OV
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| 177 | StandardInterruptEntry INTTP2CC0
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| 178 | StandardInterruptEntry INTTP2CC1
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| 179 | StandardInterruptEntry INTTP3OV
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| 180 | StandardInterruptEntry INTTP3CC0
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| 181 | StandardInterruptEntry INTTP3CC1
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| 182 | StandardInterruptEntry INTTP4OV
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| 183 | StandardInterruptEntry INTTP4CC0
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| 184 | StandardInterruptEntry INTTP4CC1
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| 185 | StandardInterruptEntry INTTP5OV
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| 186 | StandardInterruptEntry INTTP5CC0
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| 187 | StandardInterruptEntry INTTP5CC1
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| 188 | StandardInterruptEntry INTTM0EQ0
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| 189 | StandardInterruptEntry INTCB0R
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| 190 | StandardInterruptEntry INTCB0T
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| 191 | StandardInterruptEntry INTCB1R
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| 192 | StandardInterruptEntry INTCB1T
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| 193 | StandardInterruptEntry INTCB2R
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| 194 | StandardInterruptEntry INTCB2T
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| 195 | StandardInterruptEntry INTCB3R
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| 196 | StandardInterruptEntry INTCB3T
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| 197 | StandardInterruptEntry INTUA0R
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| 198 | StandardInterruptEntry INTUA0T
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| 199 | StandardInterruptEntry INTUA1R
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| 200 | StandardInterruptEntry INTUA1T
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| 201 | StandardInterruptEntry INTUA2R
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| 202 | StandardInterruptEntry INTUA2T
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| 203 | StandardInterruptEntry INTAD
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| 204 | StandardInterruptEntry INTDMA0
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| 205 | StandardInterruptEntry INTDMA1
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| 206 | StandardInterruptEntry INTDMA2
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| 207 | StandardInterruptEntry INTDMA3
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| 208 | StandardInterruptEntry INTKR
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| 209 | StandardInterruptEntry INTWTI
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| 210 | StandardInterruptEntry INTWT
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| 211 | StandardInterruptEntry INTC0ERR
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| 212 | StandardInterruptEntry INTC0WUP
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| 213 | StandardInterruptEntry INTC0REC
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| 214 | StandardInterruptEntry INTC0TRX
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| 215 |
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| 216 | /*
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| 217 | * è©ä¾¡ç¨é«æ§è½?ã¿ã¤ã
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| 218 | * (ä»åã¯è©ä¾¡ç¨ããªã¼ã©ã³ãã³ã°ã¿ã¤ããä½ããã«ç´æ¥ã¿ã¤ãã«ã¦ã³ã¿ãã®ãã)
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| 219 | */
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| 220 | Function _vxget_tim
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| 221 | Lea TP0CNT, r7
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| 222 | ld.h 0[r7], r8
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| 223 | st.w r8, 0[r6]
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| 224 | mov r0, r10
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| 225 | jmp r31
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