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¨è使¨©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®è使¨©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 | * 使¨©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¨è使¨©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¨è使¨©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«çãããããªãæå®³ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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51 | *
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52 | * @(#) $Id: sys_config.c,v 1.2 2007/05/28 02:03:55 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«ï¼M3A-ZA36ç¨ï¼
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57 | */
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58 | #include <sys_rename.h>
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59 | #include <s_services.h>
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60 |
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61 | #include "jsp_kernel.h"
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62 | #include <hw_serial.h>
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63 |
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64 | /*
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65 | * ã¿ã¼ã²ããã·ã¹ãã ä¾åã®åæå
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66 | */
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67 | void
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68 | sys_initialize()
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69 | {
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70 | /* UARTåæå */
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71 | sil_wrb_mem((void *)(SIOCR(CONSOLE_PORTID-1)+3), 0);
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72 |
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73 | /* ãã¼ããéã(UART0) */
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74 | sil_wrb_mem((void *)PDATA(5), 0);
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75 | sil_wrb_mem((void *)PDIR(5), 0x80);
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76 |
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77 | /* UART, Non-parity, 1 stop-bit */
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78 | sil_wrb_mem((void *)(SIOMOD0(CONSOLE_PORTID-1)+3), 0);
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79 |
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80 | /* 8bit, internal clock */
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81 | sil_wrh_mem((void *)(SIOMOD1(CONSOLE_PORTID-1)+2), 0x0800);
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82 |
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83 | /* M32R(32102) - f(BLK)=10MHzã§57600bps */
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84 | sil_wrh_mem((void *)(SIOBAUR(CONSOLE_PORTID-1)+2), SERIAL_CLKDIV);
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85 | sil_wrb_mem((void *)(SIORBAUR(CONSOLE_PORTID-1)+3), SERIAL_CLKCMP);
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86 |
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87 | /* ã¹ãã¼ã¿ã¹ã¯ãªã¢, éåä¿¡åä½éå§ */
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88 | sil_wrb_mem((void *)(SIOCR(CONSOLE_PORTID-1)+2), 0x3);
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89 | sil_wrb_mem((void *)(SIOCR(CONSOLE_PORTID-1)+3), 0x3);
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90 |
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91 | /* TxD,RxDãã³æå¹(UART0) */
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92 | sil_wrh_mem((void *)PMOD(5), 0x5500);
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93 | }
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94 |
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95 | /*
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96 | * ã¿ã¼ã²ããã·ã¹ãã ã®çµäº
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97 | */
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98 | void
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99 | sys_exit(void)
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100 | {
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101 | dis_int();
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102 | *(volatile unsigned char *)(ICUIMASK+1) = 0;
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103 | while(1==1)
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104 | {
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105 | /* 使¶è²»é»åã¢ã¼ãã¸ç§»è¡ */
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106 | __asm( "stb %0, @%1 \n"
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107 | "ldb %0, @%1 \n"
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108 | "nop\nnop\nnop\nnop\nnop\nnop\nnop\nnop"
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109 | : : "r"(1), "r"(CLKMOD+3) );
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110 | }
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111 | }
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112 |
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113 | /*
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114 | * ã¿ã¼ã²ããã·ã¹ãã ã®æååºå
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115 | */
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116 | void
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117 | sys_putc(char c)
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118 | {
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119 | if(c == '\n')
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120 | sys_putc('\r');
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121 | while( (sil_reb_mem((void *)(SIOSTS(CONSOLE_PORTID-1)+3)) & 0x1) == 0); /* éä¿¡å®äºå¾
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122 | ã¡ */
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123 | sil_wrb_mem((void *)(SIOTXB(CONSOLE_PORTID-1)+3), c); /* 䏿åéä¿¡ */
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124 | }
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