[307] | 1 | /*
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| 2 | * TOPPERS/ASP Kernel
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
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| 4 | * Advanced Standard Profile Kernel
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| 5 | *
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| 6 | * Copyright (C) 2007-2016 by Embedded and Real-Time Systems Laboratory
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| 7 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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| 8 | *
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| 9 | * ä¸è¨èä½æ¨©è
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| 10 | ã¯ï¼ä»¥ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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| 11 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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| 12 | * å¤ã»åé
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| 13 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 14 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 15 | * 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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| 16 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 17 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 18 | * ç¨ã§ããå½¢ã§åé
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| 19 | å¸ããå ´åã«ã¯ï¼åé
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| 20 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 21 | * è
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| 22 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 23 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 24 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 25 | * ç¨ã§ããªãå½¢ã§åé
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| 26 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 27 | * ã¨ï¼
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| 28 | * (a) åé
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| 29 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 31 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 32 | * (b) åé
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| 33 | å¸ã®å½¢æ
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| 34 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 35 | * å ±åãããã¨ï¼
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| 36 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 37 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 38 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 39 | 責ãããã¨ï¼
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| 40 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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| 41 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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| 42 | ããã³TOPPERSããã¸ã§ã¯ãã
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| 43 | * å
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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¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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| 49 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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| 50 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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| 51 | * ã®è²¬ä»»ãè² ããªãï¼
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| 52 | *
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| 53 | * $Id: target_kernel_impl.c 734 2016-04-03 09:12:48Z ertl-hiro $
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| 54 | */
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| 55 |
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| 56 | /*
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| 57 | * ã«ã¼ãã«ã®ã¿ã¼ã²ããä¾åé¨ï¼GR-PEACHç¨ï¼
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| 58 | */
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| 59 |
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| 60 | #include "kernel_impl.h"
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| 61 | #include <sil.h>
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| 62 | #include "arm.h"
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| 63 | #include "rza1.h"
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| 64 | #include "scif.h"
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| 65 | #include "pl310.h"
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| 66 |
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| 67 | /*
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| 68 | * ã«ã¼ãã«åä½æã®ã¡ã¢ãªãããã¨é¢é£ããå®ç¾©
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| 69 | *
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| 70 | * 0x18000000 - 0x1fffffffï¼ã·ãªã¢ã«ãã©ãã·ã¥ã¡ã¢ãªï¼128MBï¼
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| 71 | * 0x20000000 - 0x209fffffï¼å
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| 72 | èµSRAMï¼10MBï¼
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| 73 | * 0x3fe00000 - 0x3fffffffï¼I/Oé åï¼2MBï¼ï¼äºç´é åãå«ã
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| 74 | * 0xe8000000 - 0xffffffffï¼I/Oé åï¼384MBï¼ï¼äºç´é åãå«ã
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| 75 | */
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| 76 |
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| 77 | /*
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| 78 | * MMUã¸ã®è¨å®å±æ§ï¼ç¬¬1ã¬ãã«ãã£ã¹ã¯ãªãã¿ï¼
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| 79 | */
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| 80 | #define MMU_ATTR_RAM (ARM_MMU_DSCR1_SHARED|ARMV6_MMU_DSCR1_APX0 \
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| 81 | |ARM_MMU_DSCR1_TEX001|ARM_MMU_DSCR1_AP11 \
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| 82 | |ARM_MMU_DSCR1_CB11)
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| 83 | #define MMU_ATTR_IODEV (ARM_MMU_DSCR1_SHARED|ARMV6_MMU_DSCR1_APX0 \
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| 84 | |ARM_MMU_DSCR1_TEX000|ARM_MMU_DSCR1_AP11 \
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| 85 | |ARM_MMU_DSCR1_CB01|ARMV6_MMU_DSCR1_NOEXEC)
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| 86 | /*
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| 87 | * MMUã®è¨å®æ
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| 88 | å ±ï¼ã¡ã¢ãªã¨ãªã¢ã®æ
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| 89 | å ±ï¼
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| 90 | */
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| 91 | ARM_MMU_CONFIG arm_memory_area[] = {
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| 92 | { SPI_ADDR, SPI_ADDR, SPI_SIZE, MMU_ATTR_RAM },
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| 93 | { SRAM_ADDR, SRAM_ADDR, SRAM_SIZE, MMU_ATTR_RAM },
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| 94 | { IO1_ADDR, IO1_ADDR, IO1_SIZE, MMU_ATTR_IODEV },
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| 95 | { IO2_ADDR, IO2_ADDR, IO2_SIZE, MMU_ATTR_IODEV }
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| 96 | };
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| 97 |
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| 98 | /*
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| 99 | * MMUã®è¨å®æ
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| 100 | å ±ã®æ°ï¼ã¡ã¢ãªã¨ãªã¢ã®æ°ï¼
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| 101 | */
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| 102 | const uint_t arm_tnum_memory_area
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| 103 | = sizeof(arm_memory_area) / sizeof(ARM_MMU_CONFIG);
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| 104 |
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| 105 | /*
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| 106 | * ä½æ¶è²»é»åã¢ã¼ãã®åæå
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| 107 | */
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| 108 | static void
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| 109 | lowpower_initialize(void)
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| 110 | {
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| 111 | /* ã¹ã¿ã³ãã¤ã¢ã¼ãæã«ç«¯åç¶æ
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| 112 | ãç¶æããï¼CoreSightåä½ */
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| 113 | sil_wrb_mem(RZA1_STBCR2, 0x6a);
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| 114 | (void) sil_reb_mem(RZA1_STBCR2); /* ããã¼ãªã¼ã */
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| 115 |
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| 116 | /* IEBus, irDA, LIN0, LIN1, MTU2, RSCAN2, ASC, PWMåä½ */
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| 117 | sil_wrb_mem(RZA1_STBCR3, 0x00);
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| 118 | (void) sil_reb_mem(RZA1_STBCR3); /* ããã¼ãªã¼ã */
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| 119 |
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| 120 | /* SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7åä½ */
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| 121 | sil_wrb_mem(RZA1_STBCR4, 0x00);
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| 122 | (void) sil_reb_mem(RZA1_STBCR4); /* ããã¼ãªã¼ã */
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| 123 |
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| 124 | /* SCIM0, SCIM1, SDG0, SDG1, SDG2, SDG3, OSTM0, OSTM1åä½ */
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| 125 | sil_wrb_mem(RZA1_STBCR5, 0x00);
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| 126 | (void) sil_reb_mem(RZA1_STBCR5); /* ããã¼ãªã¼ã */
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| 127 |
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| 128 | /* A/D, CEU, DISCOM0, DISCOM1, DRC0, DRC1, JCU, RTClockåä½ */
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| 129 | sil_wrb_mem(RZA1_STBCR6, 0x00);
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| 130 | (void) sil_reb_mem(RZA1_STBCR6); /* ããã¼ãªã¼ã */
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| 131 |
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| 132 | /* DVDEC0, DVDEC1, ETHER, FLCTL, USB0, USB1åä½ */
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| 133 | sil_wrb_mem(RZA1_STBCR7, 0x24);
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| 134 | (void) sil_reb_mem(RZA1_STBCR7); /* ããã¼ãªã¼ã */
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| 135 |
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| 136 | /* IMR-LS20, IMR-LS21, IMR-LSD, MMCIF, MOST50, SCUXåä½ */
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| 137 | sil_wrb_mem(RZA1_STBCR8, 0x05);
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| 138 | (void) sil_reb_mem(RZA1_STBCR8); /* ããã¼ãªã¼ã */
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| 139 |
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| 140 | /* I2C0, I2C1, I2C2, I2C3, SPIBSC0, SPIBSC1, VDC50, VDC51åä½ */
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| 141 | sil_wrb_mem(RZA1_STBCR9, 0x00);
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| 142 | (void) sil_reb_mem(RZA1_STBCR9); /* ããã¼ãªã¼ã */
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| 143 |
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| 144 | /* RSPI0, RSPI1, RSPI2, RSPI3, RSPI4, CD-ROMDEC, RSPDIF, RGPVGåä½ */
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| 145 | sil_wrb_mem(RZA1_STBCR10, 0x00);
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| 146 | (void) sil_reb_mem(RZA1_STBCR10); /* ããã¼ãªã¼ã */
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| 147 |
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| 148 | /* SSIF0, SSIF1, SSIF2, SSIF3, SSIF4, SSIF5åä½ */
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| 149 | sil_wrb_mem(RZA1_STBCR11, 0xc0);
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| 150 | (void) sil_reb_mem(RZA1_STBCR11); /* ããã¼ãªã¼ã */
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| 151 |
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| 152 | /* SDHI00, SDHI01, SDHI10, SDHI11åä½ */
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| 153 | sil_wrb_mem(RZA1_STBCR12, 0xf0);
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| 154 | (void) sil_reb_mem(RZA1_STBCR12); /* ããã¼ãªã¼ã */
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| 155 | }
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| 156 |
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| 157 | /*
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| 158 | * æ±ç¨å
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| 159 | ¥åºåãã¼ãã®åæåï¼ãã¼ãï¼ããªãã§ã©ã«å
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| 160 | ¼ç¨ãã³ã®ã¢ãµã¤ã³ã®è¨å®ï¼
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| 161 | */
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| 162 | static void
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| 163 | port_initialize(void)
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| 164 | {
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| 165 | /* ãã¼ã6:ããã3ï¼TxD2ï¼ã®è¨å® */
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| 166 | rza1_config_port(RZA1_PORT_PIBC(6), 3, 0);
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| 167 | rza1_config_port(RZA1_PORT_PBDC(6), 3, 0);
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| 168 | rza1_config_port(RZA1_PORT_PIPC(6), 3, 1);
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| 169 | /* 第7å
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| 170 | ¼ç¨æ©è½ï¼TxD2ï¼ï¼åºå */
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| 171 | rza1_config_port(RZA1_PORT_PMC(6), 3, 1);
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| 172 | rza1_config_port(RZA1_PORT_PFCAE(6), 3, 1);
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| 173 | rza1_config_port(RZA1_PORT_PFCE(6), 3, 1);
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| 174 | rza1_config_port(RZA1_PORT_PFC(6), 3, 0);
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| 175 | rza1_config_port(RZA1_PORT_PM(6), 3, 0);
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| 176 |
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| 177 | /* ãã¼ã6:ããã2ï¼RxD2ï¼ã®è¨å® */
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| 178 | rza1_config_port(RZA1_PORT_PIBC(6), 2, 0);
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| 179 | rza1_config_port(RZA1_PORT_PBDC(6), 2, 0);
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| 180 | rza1_config_port(RZA1_PORT_PIPC(6), 2, 1);
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| 181 | /* 第7å
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| 182 | ¼ç¨æ©è½ï¼RxD2ï¼ï¼å
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| 183 | ¥å */
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| 184 | rza1_config_port(RZA1_PORT_PMC(6), 2, 1);
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| 185 | rza1_config_port(RZA1_PORT_PFCAE(6), 2, 1);
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| 186 | rza1_config_port(RZA1_PORT_PFCE(6), 2, 1);
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| 187 | rza1_config_port(RZA1_PORT_PFC(6), 2, 0);
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| 188 | rza1_config_port(RZA1_PORT_PM(6), 2, 1);
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| 189 |
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| 190 | /* ãã¼ã6:ããã13ï¼LED1ï¼èµ¤ï¼ã®è¨å® */
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| 191 | rza1_config_port(RZA1_PORT_PIBC(6), 13, 0);
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| 192 | rza1_config_port(RZA1_PORT_PBDC(6), 13, 0);
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| 193 | /* ãã¼ãã¢ã¼ãï¼åºå */
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| 194 | rza1_config_port(RZA1_PORT_PMC(6), 13, 0);
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| 195 | rza1_config_port(RZA1_PORT_PM(6), 13, 0);
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| 196 |
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| 197 | /* ãã¼ã6:ããã14ï¼LED2ï¼ç·ï¼ã®è¨å® */
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| 198 | rza1_config_port(RZA1_PORT_PIBC(6), 14, 0);
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| 199 | rza1_config_port(RZA1_PORT_PBDC(6), 14, 0);
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| 200 | /* ãã¼ãã¢ã¼ãï¼åºå */
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| 201 | rza1_config_port(RZA1_PORT_PMC(6), 14, 0);
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| 202 | rza1_config_port(RZA1_PORT_PM(6), 14, 0);
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| 203 |
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| 204 | /* ãã¼ã6:ããã15ï¼LED3ï¼éï¼ã®è¨å® */
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| 205 | rza1_config_port(RZA1_PORT_PIBC(6), 15, 0);
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| 206 | rza1_config_port(RZA1_PORT_PBDC(6), 15, 0);
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| 207 | /* ãã¼ãã¢ã¼ãï¼åºå */
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| 208 | rza1_config_port(RZA1_PORT_PMC(6), 15, 0);
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| 209 | rza1_config_port(RZA1_PORT_PM(6), 15, 0);
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| 210 |
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| 211 | /* ãã¼ã6:ããã12ï¼LED4ï¼ã¦ã¼ã¶ï¼ã®è¨å® */
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| 212 | rza1_config_port(RZA1_PORT_PIBC(6), 12, 0);
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| 213 | rza1_config_port(RZA1_PORT_PBDC(6), 12, 0);
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| 214 | /* ãã¼ãã¢ã¼ãï¼åºå */
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| 215 | rza1_config_port(RZA1_PORT_PMC(6), 12, 0);
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| 216 | rza1_config_port(RZA1_PORT_PM(6), 12, 0);
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| 217 |
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| 218 | /* ãã¼ã6:ããã0ï¼ã¦ã¼ã¶ãã¿ã³ï¼ã®è¨å® */
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| 219 | rza1_config_port(RZA1_PORT_PIBC(6), 0, 1);
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| 220 | rza1_config_port(RZA1_PORT_PBDC(6), 0, 0);
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| 221 | /* 第6å
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| 222 | ¼ç¨æ©è½ï¼IRQ5ï¼ï¼å
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| 223 | ¥å */
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| 224 | rza1_config_port(RZA1_PORT_PMC(6), 0, 1);
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| 225 | rza1_config_port(RZA1_PORT_PFCAE(6), 0, 1);
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| 226 | rza1_config_port(RZA1_PORT_PFCE(6), 0, 0);
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| 227 | rza1_config_port(RZA1_PORT_PFC(6), 0, 1);
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| 228 | rza1_config_port(RZA1_PORT_PM(6), 0, 1);
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| 229 | }
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| 230 |
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| 231 | /*
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| 232 | * ã·ã¹ãã ãã°ã®ä½ã¬ãã«åºåã®ããã®åæå
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| 233 | *
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| 234 | * ã»ã«ã¿ã¤ãtPutLogGRPeachå
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| 235 | ã«å®è£
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| 236 | ããã¦ããé¢æ°ãç´æ¥å¼ã³åºãï¼
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| 237 | */
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| 238 | extern void tPutLogGRPeach_initialize(void);
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| 239 |
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| 240 | /*
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| 241 | * ã¿ã¼ã²ããä¾åã®åæå
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| 242 | */
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| 243 | void
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| 244 | target_initialize(void)
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| 245 | {
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| 246 | extern void *vector_table; /* ãã¯ã¿ãã¼ãã« */
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| 247 |
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| 248 | /*
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| 249 | * Low exception vectorsã使ç¨
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| 250 | */
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| 251 | arm_set_low_vectors();
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| 252 |
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| 253 | /*
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| 254 | * ãããä¾åã®åæå
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| 255 | */
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| 256 | chip_initialize();
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| 257 |
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| 258 | /*
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| 259 | * ä½æ¶è²»é»åã¢ã¼ãã®åæå
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| 260 | */
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| 261 | lowpower_initialize();
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| 262 |
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| 263 | /*
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| 264 | * æ±ç¨å
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| 265 | ¥åºåãã¼ãã®åæåï¼ãã¼ãï¼ããªãã§ã©ã«å
|
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| 266 | ¼ç¨ãã³ã®ã¢ãµã¤ã³ã®è¨å®ï¼
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| 267 | */
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| 268 | port_initialize();
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| 269 |
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| 270 | /*
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| 271 | * ãã¯ã¿ãã¼ãã«ã®è¨å®
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| 272 | */
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| 273 | CP15_WRITE_VBAR((uint32_t) &vector_table);
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| 274 |
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| 275 | /*
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| 276 | * L2ãã£ãã·ã¥ã³ã³ããã¼ã©ï¼PL310ï¼ã®åæå
|
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| 277 | */
|
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| 278 | pl310_initialize(0x0U, ~0x0U);
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| 279 |
|
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| 280 | /*
|
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| 281 | * LEDãéè²ã«ç¹ç¯ããã
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| 282 | */
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| 283 | gr_peach_set_led(GR_PEACH_LED_BLUE, 1);
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| 284 |
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| 285 | /*
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| 286 | * ä½ã¬ãã«åºåç¨ã«SIOãåæå
|
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| 287 | */
|
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| 288 | scif_init(USE_SIO_PORTID);
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| 289 | }
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| 290 |
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| 291 | /*
|
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| 292 | * ã¿ã¼ã²ããä¾åã®çµäºå¦ç
|
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| 293 | */
|
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| 294 | void
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| 295 | target_exit(void)
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| 296 | {
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| 297 | /*
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| 298 | * ãããä¾åã®çµäºå¦ç
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| 299 | */
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| 300 | chip_terminate();
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| 301 |
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| 302 | /*
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| 303 | * bkptå½ä»¤ã«ãããããã¬ã«å¶å¾¡ã移ãï¼ãã©ã¡ã¼ã¿ãä½ãè¯ããæªæ¤è¨ï¼
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| 304 | */
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| 305 | Asm("bkpt #0");
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| 306 |
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| 307 | while (true) ;
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| 308 | }
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| 309 |
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| 310 | /*
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| 311 | * ã·ã¹ãã ãã°ã®ä½ã¬ãã«åºåã®ããã®æååºå
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| 312 | */
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| 313 | void
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| 314 | target_fput_log(char c)
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| 315 | {
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| 316 | if (c == '\n') {
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| 317 | scif_pol_putc('\r', USE_SIO_PORTID);
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| 318 | }
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| 319 | scif_pol_putc(c, USE_SIO_PORTID);
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| 320 | }
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| 321 |
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| 322 | /*
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| 323 | * LEDã®ç¹ç¯ï¼æ¶ç¯
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| 324 | */
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| 325 | void
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| 326 | gr_peach_set_led(uint_t led, uint_t set)
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| 327 | {
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| 328 | rza1_config_port(RZA1_PORT_P(6), led, set);
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| 329 | }
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