[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 | * 2003 by Advanced Data Controls, Corp
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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: start.sh,v 1.3 2003/12/19 11:24:55 honda Exp $
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| 52 | */
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| 53 |
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| 54 | /*
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| 55 | * ã«ã¼ãã«ç¨ã®ã¹ã¿ã¼ãã¢ããã¢ã¸ã¥ã¼ã«
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| 56 | */
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| 57 | #define _MACRO_ONLY
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| 58 | #include <t_config.h>
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| 59 | #include <sys_defs.h>
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| 60 |
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| 61 | /*GHSã¢ã»ã³ãã©æ¬ä¼¼å½ä»¤å¤æ*/
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| 62 | #define long data.l
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| 63 |
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| 64 | /*
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| 65 | * SH3ç¨ã¹ã¿ã¼ãã¢ããã¢ã¸ã¥ã¼ã«
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| 66 | * ã«ã¼ãã«ã¯ã¢ããªã±ã¼ã·ã§ã³ã¨ãªã³ã¯ãã¦ä½¿ç¨ãã
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| 67 | * ã ããªã®ã§JSPã«ã¼ãã«ã®ã¿ä½¿ç¨ããã
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| 68 | */
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| 69 | .global _start
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| 70 | .global _main
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| 71 | .align 2
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| 72 | _main:
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| 73 | _start:
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| 74 | /*
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| 75 | * ãã£ãã·ã¥ã®åæå
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| 76 | */
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| 77 | mov.l _ccr_addr,r1
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| 78 | mov.l _ccr_disable,r2
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| 79 | mov.l r2,@r1
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| 80 | mov.l _ccr_mode,r2
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| 81 | mov.l r2,@r1
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| 82 |
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| 83 | /*
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| 84 | * SRãåæåããã
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| 85 | * MD=1, RB=0, BL=0, I3ãI0=e fã¯stubã®ã¿
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| 86 | */
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| 87 | mov.l _init_sr,r0
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| 88 | ldc r0,sr
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| 89 | mov #0x01,r0
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| 90 | ldc r0,r7_bank
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| 91 | /*
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| 92 | * ã¿ã¹ã¯ç¬ç«ã®ã¹ã¿ãã¯ãSTACKTOPã«åæåãã
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| 93 | * STACKTOPã¯ãsys_config.hã§å®ç¾©
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| 94 | */
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| 95 | mov.l _stack_k, r15
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| 96 |
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| 97 | /*
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| 98 | * _hardware_init_hook ãå¼ã³åºãã(0ã§ãªãå ´å)
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| 99 | *
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| 100 | * ãã¼ãã¦ã§ã¢ä¾åã«å¿
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| 101 | è¦ãªåæåå¦çãããå ´åã¯ï¼
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| 102 | * hardware_init_hook ã¨ããé¢æ°ãç¨æããã°ããï¼
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| 103 | * å
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| 104 | ·ä½çã«ã¯ROMåã®éãRAMã使ç¨å¯è½ã«ããããã®
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| 105 | * ãã¹ã³ã³ããã¼ã©ã®åæåçãè¡ãã
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| 106 | * sys_support.S å
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| 107 | 㧠_hardware_init_hook ãå®ç¾©ãã¦ã
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| 108 | * ãï¼
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| 109 | */
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| 110 |
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| 111 | start_0:
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| 112 | mov.l _hardware_init_hook_k, r0
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| 113 | tst r0,r0
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| 114 | bt start_5
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| 115 | jsr @r0
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| 116 | or r0,r0
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| 117 |
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| 118 | /*
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| 119 | * _software_init_hook ãå¼ã³åºãï¼0 ã§ãªãå ´åï¼ï¼
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| 120 | *
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| 121 | * ã½ããã¦ã§ã¢ç°å¢ï¼ç¹ã«ã©ã¤ãã©ãªï¼ã«ä¾åãã¦å¿
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| 122 | è¦ãªåæåå¦
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| 123 | * çãããå ´åã¯ï¼software_init_hook ã¨ããé¢æ°ãç¨æããã°
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| 124 | * ããï¼
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| 125 | */
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| 126 | start_5:
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| 127 | mov.l _software_init_hook_k, r0
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| 128 | tst r0,r0
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| 129 | bt start_6
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| 130 | jsr @r0
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| 131 | or r0,r0
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| 132 |
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| 133 |
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| 134 | start_6:
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| 135 | /*ã«ã¼ãã«ãèµ·åãã*/
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| 136 |
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| 137 | mov.l _kernel_start_k,r0
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| 138 | jsr @r0
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| 139 | or r0,r0
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| 140 |
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| 141 |
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| 142 | .align 4
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| 143 | _ccr_addr:
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| 144 | .long CCR
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| 145 | _ccr_disable:
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| 146 | .long CCR_DISABLE
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| 147 | _ccr_mode:
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| 148 | .long CCR_MODE
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| 149 | _init_sr:
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| 150 | .long 0x40000000 + MAX_IPM << 4
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| 151 | _stack_k:
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| 152 | .long STACKTOP
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| 153 | _kernel_start_k:
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| 154 | .long _kernel_start
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| 155 | .weak _hardware_init_hook
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| 156 | .weak _software_init_hook
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| 157 | _hardware_init_hook_k:
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| 158 | .long _hardware_init_hook
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| 159 | _software_init_hook_k:
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| 160 | .long _software_init_hook
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| 161 |
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| 162 |
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| 163 |
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| 164 |
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