1 | #! /usr/bin/perl
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2 | #
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3 | # TOPPERS/JSP Kernel
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4 | # Toyohashi Open Platform for Embedded Real-Time Systems/
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5 | # Just Standard Profile Kernel
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6 | #
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7 | # Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
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8 | # Toyohashi Univ. of Technology, JAPAN
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9 | # Copyright (C) 2004 by Embedded and Real-Time Systems Laboratory
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10 | # Graduate School of Information Science, Nagoya Univ., JAPAN
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11 | # Copyright (C) 2005-2007 by Industrial Technology Institute,
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12 | # Miyagi Prefectural Government, JAPAN
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13 | #
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14 | # ä¸è¨è使¨©è
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15 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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16 | # ã«ãã£ã¦å
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17 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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18 | # è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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19 | # ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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20 | å¸ï¼ä»¥ä¸ï¼
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21 | # å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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22 | # (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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23 | # 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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24 | # ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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25 | # (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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26 | # ç¨ã§ããå½¢ã§åé
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27 | å¸ããå ´åã«ã¯ï¼åé
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28 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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29 | # è
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30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è使¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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31 | # ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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32 | # (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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33 | # ç¨ã§ããªãå½¢ã§åé
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34 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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35 | # ã¨ï¼
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36 | # (a) åé
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37 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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38 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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39 | # 使¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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40 | # (b) åé
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41 | å¸ã®å½¢æ
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42 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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43 | # å ±åãããã¨ï¼
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44 | # (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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45 | # 害ãããï¼ä¸è¨è使¨©è
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46 | ããã³TOPPERSããã¸ã§ã¯ããå
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47 | 責ãããã¨ï¼
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48 | #
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49 | # æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨è使¨©è
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50 | ã
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51 | # ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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52 | # å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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53 | # æ¥çã¾ãã¯éæ¥çã«çãããããªãæå®³ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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54 | #
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55 | # @(#) $Id: genoffset,v 1.8 2007/03/23 07:25:47 honda Exp $
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56 | #
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57 |
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58 | #
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59 | # makeoffset.cã®ã¢ã»ã³ãã«çµæããæ§é ä½å
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60 | ã®ãªãã»ãããæ±ãã
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61 | #ããã«ããµã¹è£½ã³ã³ãã¤ã© H8Cå°ç¨
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62 | #
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63 | #ããä½¿ãæ¹
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64 | #ãããperl genoffset makeoffset.src
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65 | #
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66 |
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67 |
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68 | #
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69 | # åæå
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70 | #
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71 | $infile = $ARGV[0];
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72 |
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73 | #
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74 | # ããããµã¼ã
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75 | #
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76 | sub search_bit {
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77 | my($val) = @_;
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78 | my($val_bit);
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79 |
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80 | return(-1) if ($val == 0);
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81 |
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82 | $val_bit = 0;
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83 | while (($val & 1) == 0) {
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84 | $val >>= 1;
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85 | $val_bit++;
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86 | }
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87 | return($val_bit);
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88 | }
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89 |
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90 | #
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91 | # ãªãã»ããå¤ã®åºå
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92 | #
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93 | #ãã対象ãã¿ã¼ã³ã®ä¾ï¼
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94 | #ããããMOV.L #22,ER0
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95 | #ããããMOV.L #H'00000010,ER0
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96 | #ããããMOV.W #4,R0
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97 | #ããããMOV.W #H'0010,R0
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98 | #ããããMOV.B #8,R0L
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99 | #ããããMOV.B #8:8,R0L
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100 | #ããããMOV.B #H'1A:8,R0L
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101 | #
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102 | sub parse_offset {
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103 | my($label) = @_;
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104 | my($offset);
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105 |
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106 | while ($line = <INFILE>) {
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107 | chomp $line;
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108 | # 10鲿°4ãã¤ãã®å ´å
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109 | if ($line =~ /MOV\.L +#([\d]+)(:32)* *, *ER0/) {
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110 | $offset = $1;
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111 |
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112 | # å®ç¾©ã®åºå
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113 | printf "%s:\t.DEFINE\t\"%s\"\n", $label, $offset;
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114 | last;
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115 | }
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116 | # 10鲿°2ãã¤ãã®å ´å
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117 | elsif ($line =~ /MOV\.W +#([\d]+)(:16)* *, *R0/) {
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118 | $offset = $1;
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119 |
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120 | # å®ç¾©ã®åºå
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121 | printf "%s:\t.DEFINE\t\"%s\"\n", $label, $offset;
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122 | last;
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123 | }
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124 | # 10鲿°1ãã¤ãã®å ´å
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125 | elsif ($line =~ /MOV\.B +#([\d]+)(:8)* *, *R0L/) {
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126 | $offset = $1;
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127 |
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128 | # å®ç¾©ã®åºå
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129 | printf "%s:\t.DEFINE\t\"%s\"\n", $label, $offset;
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130 | last;
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131 | }
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132 | # 16鲿°4ãã¤ãã®å ´å
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133 | elsif ($line =~ /MOV\.L +#H\'([0-9a-fA-F]+)(:32)* *, *ER0/) {
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134 | $offset = $1;
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135 |
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136 | # å®ç¾©ã®åºå
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137 | printf "%s:\t.DEFINE\t\"H\'%s\"\n", $label, $offset;
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138 | last;
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139 | }
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140 | # 16鲿°2ãã¤ãã®å ´å
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141 | elsif ($line =~ /MOV\.W +#H\'([0-9a-fA-F]+)(:16)* *, *R0/) {
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142 | $offset = $1;
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143 |
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144 | # å®ç¾©ã®åºå
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145 | printf "%s:\t.DEFINE\t\"H\'%s\"\n", $label, $offset;
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146 | last;
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147 | }
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148 | # 16鲿°1ãã¤ãã®å ´å
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149 | elsif ($line =~ /MOV\.B +#H\'([0-9a-fA-F]+)(:8)* *, *R0L/) {
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150 | $offset = $1;
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151 |
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152 | # å®ç¾©ã®åºå
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153 | printf "%s:\t.DEFINE\t\"H\'%s\"\n", $label, $offset;
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154 | last;
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155 | }
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156 |
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157 | elsif ($line =~ /^ *RTS$/) { # rtså½ä»¤ã®å ´å
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158 | print "#error Parse error: $label by genoffset script\n";
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159 | close(INFILE);
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160 | print STDERR "Error: parse error $label by genoffset script\n";
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161 | exit(1);
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162 | }
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163 | }
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164 | }
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165 |
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166 | #
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167 | # ããããã£ã¼ã«ãã®è§£æ
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168 | #
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169 | sub parse_bit {
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170 | my($label) = @_;
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171 | my($data, $zero, $ptn, $len, $offset, $bit);
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172 | $data = "";
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173 |
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174 | while ($line = <INFILE>) {
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175 | chomp $line;
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176 | if ($line =~ s/\.DATA\.[LW]//) {
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177 | $line =~ s/[^0-9a-fA-F]//g;
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178 | $data .= $line;
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179 | } else {
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180 | last;
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181 | }
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182 | }
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183 |
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184 | $data =~ /(0+)([^0])/;
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185 | $zero = $1;
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186 | $ptn = $2;
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187 |
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188 | $len = length($zero);
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189 | $offset = int($len / 2);
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190 | $bit = search_bit($ptn);
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191 | if (($len % 2) eq 0) {
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192 | $bit += 4;
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193 | }
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194 |
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195 | # å®ç¾©ã®åºå
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196 | printf "%s:\t.DEFINE\t\"%s\"\n", $label, $offset;
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197 | printf "%s_bit:\t.DEFINE\t\"%s\"\n", $label, $bit;
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198 | printf "%s_mask:\t.DEFINE\t\"H\'%x\"\n", $label, (1 << $bit);
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199 | }
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200 |
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201 |
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202 | #
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203 | # ã¡ã¤ã³ã«ã¼ãã³
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204 | #
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205 | print "; This file is generated by genoffset.\n";
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206 | print "\n";
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207 |
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208 | $error = 0;
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209 | open(INFILE, $infile) || die "Cannot open $infile";
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210 |
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211 | while ($line = <INFILE>) {
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212 | chomp $line;
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213 |
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214 | if ($line =~ /^_OFFSET_DEF_([^ \t]+):/) {
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215 | do parse_offset($1);
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216 | }
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217 | elsif ($line =~ /^_BIT_FIELD_OFFSET_([^ \t]+):/) {
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218 | do parse_bit($1);
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219 | }
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220 | }
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221 |
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222 | close(INFILE);
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223 | exit($error);
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