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) 2004 by SEIKO EPSON Corp, JAPAN
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7 | *
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8 | * ä¸è¨è使¨©è
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9 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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10 | * ã«ãã£ã¦å
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11 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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12 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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13 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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14 | å¸ï¼ä»¥ä¸ï¼
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15 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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16 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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17 | * 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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18 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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19 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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20 | * ç¨ã§ããå½¢ã§åé
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21 | å¸ããå ´åã«ã¯ï¼åé
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22 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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23 | * è
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24 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è使¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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25 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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26 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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27 | * ç¨ã§ããªãå½¢ã§åé
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28 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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29 | * ã¨ï¼
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30 | * (a) åé
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31 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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32 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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33 | * 使¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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34 | * (b) åé
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35 | å¸ã®å½¢æ
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36 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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37 | * å ±åãããã¨ï¼
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38 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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39 | * 害ãããï¼ä¸è¨è使¨©è
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40 | ããã³TOPPERSããã¸ã§ã¯ããå
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41 | 責ãããã¨ï¼
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42 | *
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43 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨è使¨©è
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44 | ã
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45 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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46 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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47 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæå®³ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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48 | *
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49 | */
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50 | #include "smcvals.h"
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51 | #include "stdio.h"
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52 | #include "cpu_rename.h"
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53 |
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54 | FILE _iob[FOPEN_MAX + 1]; /* standard i/o stream */
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55 |
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56 | FILE *stdin; /* standard input */
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57 | FILE *stdout; /* standard output */
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58 | FILE *stderr; /* standard error */
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59 |
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60 | int errno; /* error number */
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61 |
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62 | unsigned int seed; /* seed of random value */
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63 |
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64 | unsigned char *ucNxtAlcP; /* next memory allocate address */
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65 | unsigned char *ucBefAlcP; /* one previous allocated address */
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66 | unsigned char *end_alloc; /* end memory allocate address */
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67 |
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68 | #ifndef DBL_LNG_TYPE
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69 |
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70 | #define DBL_LNG_TYPE
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71 |
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72 | /* the architecture of double floating point
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73 | *
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74 | * 0 1 11 31 32 63 bit
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75 | * -----------------------------------------------------------------------
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76 | * | | exponent | fraction |
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77 | * -----------------------------------------------------------------------
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78 | *
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79 | * | | | |
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80 | * | 12bits 20 bits | 32 bits |
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81 | * | lower word | higher word |
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82 | *
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83 | * bit 0 sign bit ( 1 bit )
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84 | * 1 - 11 exponent part ( 11 bits )
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85 | * 12 - 63 fraction part ( 52 bits )
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86 | *
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87 | */
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88 |
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89 | typedef union {
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90 | struct {
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91 | #ifdef BIG_ENDIAN
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92 | unsigned long _LL;
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93 | unsigned long _LH;
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94 | #else
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95 | unsigned long _LH;
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96 | unsigned long _LL;
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97 | #endif
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98 | } st;
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99 | } DBL_LNG;
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100 |
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101 | #endif
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102 |
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103 | DBL_LNG _HUGE; /* HUGE VALUE */
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104 |
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105 | unsigned char *_STACK_TOP; /* address of stack top */
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106 | unsigned char *_STACK_BOTTOM; /* address of stack bottom */
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107 |
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108 | long gm_sec;
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109 |
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110 | /*
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111 | * initialize routine
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112 | */
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113 |
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114 | void init_lib()
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115 | {
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116 |
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117 | /* initialize allocate address */
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118 | end_alloc = (unsigned char *)_STACK_TOP;
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119 | ucNxtAlcP = (unsigned char *)(_BOUND((unsigned long)_STACK_BOTTOM));
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120 | ucBefAlcP = (unsigned char *)NULL;
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121 |
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122 | errno = 0; /* clear error number */
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123 |
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124 | seed = 1; /* initialize random seed */
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125 |
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126 | gm_sec = -1; /* initialize time */
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127 |
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128 | _HUGE.st._LL = 0x7ff00000; /* HUGE VALUE */
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129 | _HUGE.st._LH = 0;
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130 |
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131 | /*
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132 | * INITIALIZE STANDARD STREAMS
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133 | */
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134 |
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135 | _iob[0]._flg = _UGETN; /* initialize stdin stream */
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136 | _iob[0]._buf = 0;
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137 | _iob[0]._fd = 0;
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138 |
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139 | _iob[1]._flg = _UGETN; /* initialize stdout stream */
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140 | _iob[1]._buf = 0;
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141 | _iob[1]._fd = 1;
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142 |
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143 | _iob[2]._flg = _UGETN; /* initialize stderr stream */
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144 | _iob[2]._buf = 0;
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145 | _iob[2]._fd = 2;
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146 |
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147 | stdin = &_iob[0];
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148 | stdout = &_iob[1];
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149 | stderr = &_iob[2];
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150 |
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151 | }
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152 |
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