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) 2000-2004 by Embedded and Real-Time Systems Laboratory
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7 | * Toyohashi Univ. of Technology, JAPAN
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8 | * Copyright (C) 2001-2004 by Industrial Technology Institute,
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9 | * Miyagi Prefectural Government, JAPAN
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10 | * Copyright (C) 2002-2004 by Hokkaido Industrial Research Institute, JAPAN
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11 | * Copyright (C) 2010 by Cronus Computer Works, JAPAN
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12 | *
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13 | * ä¸è¨è使¨©è
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14 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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15 | * ã«ãã£ã¦å
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16 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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17 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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18 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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19 | å¸ï¼ä»¥ä¸ï¼
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20 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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21 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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22 | * 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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23 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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24 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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25 | * ç¨ã§ããå½¢ã§åé
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26 | å¸ããå ´åã«ã¯ï¼åé
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27 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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28 | * è
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29 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è使¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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30 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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31 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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32 | * ç¨ã§ããªãå½¢ã§åé
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33 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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34 | * ã¨ï¼
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35 | * (a) åé
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36 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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37 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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38 | * 使¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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39 | * (b) åé
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40 | å¸ã®å½¢æ
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41 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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42 | * å ±åãããã¨ï¼
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43 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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44 | * 害ãããï¼ä¸è¨è使¨©è
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45 | ããã³TOPPERSããã¸ã§ã¯ããå
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46 | 責ãããã¨ï¼
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47 | *
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48 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨è使¨©è
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49 | ã
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50 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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51 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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52 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæå®³ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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53 | *
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54 | * @(#) $Id
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55 | */
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56 |
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57 | #include "jsp_kernel.h"
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58 | #include <sil.h>
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59 | #include <s_services.h>
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60 | #include "sh726xscif.h"
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61 |
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62 | /*
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63 | * ã¿ã¼ã²ããã·ã¹ãã ä¾åã®åæå
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64 | */
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65 | /*
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66 | * ã·ãªã¢ã«I/Oãã¼ãã®åæå banneråºåã®ããã«ã¼ãã«ã®åæåã¨ç¡é¢ä¿ã«è¡ã
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67 | */
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68 | void
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69 | sys_initialize ()
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70 | {
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71 | SIOPCB *siopcb;
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72 |
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73 | /* 使ç¨ããå¨è¾ºæ©å¨ã¯ããã§æå¹ã«ãã¦ããã */
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74 | /* SCIFãã¼ã¿å
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75 | ¥åºåãã¼ãã®è¨å® */
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76 |
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77 | #ifndef GDB_STUB
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78 |
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79 | /* SCIF2 */
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80 | sil_wrb_mem (STBCR4, (VB) ((VB) sil_reb_mem (STBCR4) & ~0x20));
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81 | sil_wrh_mem (PFCR0, sil_reh_mem (PFCR0) | (0x0400 | 0x0040));
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82 | #if TNUM_PORT >=2
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83 | /* SCIF3 */
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84 | sil_wrb_mem (STBCR4, (VB) ((VB) sil_reb_mem (STBCR4) & ~0x10));
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85 | sil_wrh_mem (PFCR1, sil_reh_mem (PFCR1) | 0x0004);
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86 | sil_wrh_mem (PFCR0, sil_reh_mem (PFCR0) | 0x4000);
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87 | #endif /*TNUM_PORT >=2 */
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88 |
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89 | #else /* GDB_STUB */
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90 |
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91 | /* SCIF3 */
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92 | sil_wrb_mem (STBCR4, (VB) ((VB) sil_reb_mem (STBCR4) & ~0x10));
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93 | sil_wrh_mem (PFCR1, sil_reh_mem (PFCR1) | 0x0004);
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94 | sil_wrh_mem (PFCR0, sil_reh_mem (PFCR0) | 0x4000);
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95 |
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96 | #endif /* GDB_STUB */
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97 |
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98 | /* CMT0 */
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99 | sil_wrb_mem (STBCR7, (VB) ((VB) sil_reb_mem (STBCR7) & ~0x04));
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100 | /*
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101 | * ããã¤ã¹ä¾åã®ãªã¼ãã³å¦çï¼
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102 | */
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103 | /*ããã¼åºåãããã */
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104 | sh2scif_initialize();
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105 | siopcb = sh2scif_opn_por (LOGTASK_PORTID, 0);
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106 | }
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107 |
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108 | /*
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109 | * ã¿ã¼ã²ããã·ã¹ãã ã®çµäº
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110 | */
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111 | void
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112 | sys_exit ()
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113 | {
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114 | sh2_exit ();
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115 | }
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116 |
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117 | /*
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118 | * ã¿ã¼ã²ããã·ã¹ãã ã®æååºå
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119 | */
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120 | void
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121 | sys_putc (char c)
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122 | {
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123 | if (c == '\n') {
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124 | sh2_putc (LOGTASK_PORTID, '\r');
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125 | }
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126 | sh2_putc (LOGTASK_PORTID, c);
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127 | }
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128 |
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129 | /* ãã¼ãã¦ã§ã¢ã®è¨å® */
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130 | /* ããã§ã¯ãã¹ã®è¨å®ã®ã¿è¡ããå¨è¾ºæ©å¨ã®è¨å®ã¯sys_initializeã§è¡ãã */
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131 | #ifndef GDB_STUB
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132 | void
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133 | hardware_init_hook (void)
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134 | {
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135 | /* ã¯ããã¯çºæ¯å¨ã®åæå */
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136 | sil_wrh_mem (FRQCR, 0x1104); /* ã¯ããã¯è¨å® IÏ=144MHz, BÏ=48MHz, PÏ=24MHz */
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137 |
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138 | /* I/Oãã¼ãã®è¨å® */
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139 | sil_wrh_mem (PCIOR0, 0x0100); /* PC8ãã¼ã åºåæ¹å (LEDæ¥ç¶ãã¼ã) */
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140 | sil_wrh_mem (PCCR2, 0x0000); /* PC8ã¢ã¼ã ãã¼ã鏿 (LEDæ¥ç¶ãã¼ã) */
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141 |
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142 | /* ãã£ãã·ã¥ã®è¨å® */
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143 | sil_wrw_mem (CCR1, 0x00000808); /* ãã£ãã·ã¥ããã©ãã·ã¥ */
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144 | sil_wrw_mem (CCR1, CCR_MODE); /* ãã£ãã·ã¥ã¢ã¼ããè¨å® */
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145 | }
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146 | #else /* GDB_STUB */
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147 | void
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148 | hardware_init_hook (void)
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149 | {
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150 | }
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151 | #endif /* GDB_STUB */
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