[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) 2007 by Embedded and Real-Time Systems Laboratory
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| 9 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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| 10 | *
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| 11 | * ä¸è¨èä½æ¨©è
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| 12 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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| 13 | * ã«ãã£ã¦å
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| 14 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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| 15 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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| 16 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 17 | å¸ï¼ä»¥ä¸ï¼
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| 18 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 19 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 20 | * 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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| 21 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 22 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 23 | * ç¨ã§ããå½¢ã§åé
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| 24 | å¸ããå ´åã«ã¯ï¼åé
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| 25 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 26 | * è
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| 27 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 28 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 29 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 30 | * ç¨ã§ããªãå½¢ã§åé
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| 31 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 32 | * ã¨ï¼
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| 33 | * (a) åé
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| 34 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 35 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 36 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 37 | * (b) åé
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| 38 | å¸ã®å½¢æ
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| 39 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 40 | * å ±åãããã¨ï¼
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| 41 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 42 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 43 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 44 | 責ãããã¨ï¼
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| 45 | *
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| 46 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 47 | ã
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| 48 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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| 49 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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| 50 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 51 | *
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| 52 | * @(#) $Id: sys_support.S,v 1.2 2007/05/30 08:38:51 honda Exp $
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| 53 | */
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| 54 |
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| 55 | /*
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| 56 | * ã¿ã¼ã²ããã·ã¹ãã ä¾åã¢ã¸ã¥ã¼ã« ã¢ã»ã³ããªè¨èªé¨ï¼M3A-2131ç¨ï¼
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| 57 | */
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| 58 |
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| 59 | #define _MACRO_ONLY
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| 60 |
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| 61 | #include <m32rasm.inc>
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| 62 | #include <s_services.h>
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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 | .macro out addr, val
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| 70 | ld24 r0, \addr
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| 71 | seth r1, #((\val) >> 16)
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| 72 | or3 r1, r1, #((\val) & 0xffff)
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| 73 | st r1, @r0
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| 74 | .endm
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| 75 |
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| 76 | .macro outh addr, val
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| 77 | ld24 r0, #(\addr)
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| 78 | ldi r1, #(\val)
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| 79 | sth r1, @r0
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| 80 | .endm
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| 81 |
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| 82 | .macro outb addr, val
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| 83 | ld24 r0, #(\addr)
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| 84 | ldi r1, #(\val)
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| 85 | stb r1, @r0
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| 86 |
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| 87 | .endm
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| 88 |
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| 89 | Function hardware_init_hook
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| 90 |
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| 91 | outb PLLCR+3, 0x1 /* PLLã¯ããã¯åä½éå§ */
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| 92 | out BSELCR(1), 0x0fffb50f /* å¤é¨ãã¹ï¼ãããã¯ï¼ã使ç¨ï¼SDRAMï¼ */
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| 93 |
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| 94 | /* PIOã®è¨å® */
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| 95 | outh PMOD(0), 0x0100 /* å¤é¨ãã¹BSEL1ãä½¿ç¨ */
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| 96 | outh PMOD(1), 0x1 /* å¤é¨ãã¹RD/WR */
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| 97 | outh PMOD(2), 0x1 /* å¤é¨ãã¹WS3 */
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| 98 | outh PMOD(3), 0x5555 /* å¤é¨ãã¹ */
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| 99 | outh PMOD(4), 0x5555 /* å¤é¨ãã¹ */
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| 100 | outh PMOD(5), 0x0555 /* å
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| 101 | é¨å¨è¾ºI/O */
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| 102 | outh PMOD(6), 0x0555 /* å
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| 103 | é¨å¨è¾ºI/O */
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| 104 |
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| 105 | outh SDIR0+2, 0x182
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| 106 |
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| 107 | /* SDRAMåæå */
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| 108 | ld24 r0, SDIR1+3
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| 109 | ldi r1, 1
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| 110 | stb r1, @r0
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| 111 | addi r0, -2
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| 112 | L1: ldb r1, @r0
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| 113 | bnez r1, L1 /* DINSTããããã¯ãªã¢ãããã¨åæåçµäº */
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| 114 |
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| 115 | outb SDBR+3, 0x2
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| 116 | outh SDRF1+2, 0x0020
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| 117 | outh SDMOD(0)+2, 0
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| 118 | out SDADR(0), 0x01000042 /* 0x01000000, 32bit, bank 4, 16MB */
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| 119 | outh SDTR(0)+2,0x0001
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| 120 |
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| 121 | outb SDRF1+1, 1 /* ãªãã¬ãã·ã¥æå¹ */
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| 122 | outb SDER(0)+3, 1 /* SDRAMæå¹ */
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| 123 | outb CPUCLKCR+1, 0x2 /* CPUã¯ããã¯ã¨ãã¦PLLã¯ããã¯ãä½¿ç¨ */
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| 124 | rts
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| 125 |
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| 126 | Function software_init_hook
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| 127 | rts
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| 128 |
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| 129 | Function vxget_tim
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| 130 | rts
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