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1 <!--
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2 Google IO 2012 HTML5 Slide Template
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3
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4 Authors: Eric Bidelman <ebidel@gmail.com>
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5 Luke Mahé <lukem@google.com>
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6
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7 URL: https://code.google.com/p/io-2012-slides
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8 -->
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9 <!DOCTYPE html>
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10 <html>
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11 <head>
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12 <title>Presentation</title>
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13 <meta charset="utf-8">
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14 <meta http-equiv="X-UA-Compatible" content="chrome=1">
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15 <!--<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">-->
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16 <!--<meta name="viewport" content="width=device-width, initial-scale=1.0">-->
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17 <!--This one seems to work all the time, but really small on ipad-->
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18 <!--<meta name="viewport" content="initial-scale=0.4">-->
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19 <meta name="apple-mobile-web-app-capable" content="yes">
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20 <link rel="stylesheet" media="all" href="css/default.css">
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21 <link rel="stylesheet" media="only screen and (max-device-width: 480px)" href="../io2012slides/theme/css/phone.css">
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22 <base target="_blank"> <!-- This amazingness opens all links in a new tab. -->
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23 <script data-main="../io2012slides/js/slides" src="../io2012slides/js/require-1.0.8.min.js"></script>
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24 </head>
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25 <body style="opacity: 0">
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26
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27 <slides class="layout-widescreen">
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28
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29 <!--
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30 <slide class="logoslide nobackground">
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31 <article class="flexbox vcenter">
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32 <span><img src="../io2012slides/images/google_developers_logo.png"></span>
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33 </article>
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34 </slide>
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35 -->
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36
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37 <slide class="title-slide segue nobackground">
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38 <aside class="gdbar"><img src="../images/concurrent.png"></aside>
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39 <!-- The content of this hgroup is replaced programmatically through the slide_config.json. -->
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40 <hgroup class="auto-fadein">
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41 <h1 data-config-title><!-- populated from slide_config.json --></h1>
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42 <h2 data-config-subtitle><!-- populated from slide_config.json --></h2>
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43 <p data-config-presenter><!-- populated from slide_config.json --></p>
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44 </hgroup>
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45 </slide>
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46
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47 <slide>
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48 <hgroup>
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49 <h2>研究目的</h2>
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50 </hgroup>
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51 <article>
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52 <ul>
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53 <li>ブートが高速で、コンパクトなカーネルを実装する。</li>
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54 <li>Codesegment と Datasegment をカーネルに実装するにあたって、メモリ管理の役割とどう合致するのかを検証する。</li>
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55 <li>上記を確認したら CbC を用いて、動作が軽く落ちにくいカーネルを実装する。</li>
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56 </ul>
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57 </article>
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58 </slide>
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59
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60 <slide>
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61 <hgroup>
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62 <h2>今週の作業</h2>
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63 </hgroup>
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64 <article>
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65 <ul>
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66 <li>Linux 3.8.9 を読む</li>
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67 <li>メモリ初期化のデバッグ</li>
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68 </ul>
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69 </article>
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70 </slide>
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71
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72 <slide>
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73 <hgroup>
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74 <h2>ELILO</h2>
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75 </hgroup>
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76 <article>
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77 <h3>ELILO の中でのカーネル、という方針</h3>
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78 <p>「ELILOアプリケーションの中」だったら ExitBootServices を実行しないで書くべき</p>
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79 <ol>
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80 <li>GDT/LDT を設定</li>
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81 <li>別セグメントに飛ぶ</li>
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82 <li>メモリの初期化</li>
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83 <li>Call Gate と TSS</li>
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84 <li>CPL (current privilege level) を調べる</li>
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85 <li>64 bit mode(32bit と互換性なし)/compatibility mode</li>
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86 <li>UEFI のマニュアルには<br>
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87 Paging mode is enabled and any memory space defined by the UEFI memory map is identity mapped (virtual address equals physical address).</li>
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88 </ol>
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89 </article>
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90 </slide>
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91
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92 <slide>
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93 <hgroup>
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94 <h2>エラーメッセージ</h2>
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95 </hgroup>
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96 <article>
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97 <h3>cr0 の PE bit を無効にした時</h3>
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98 <img src='images/err_message01.png'>
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99 <h3>cr3 に値を入れた時</h3>
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100 <img src='images/err_message02.png'>
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101 </article>
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102 </slide>
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103
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104 <slide>
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105 <hgroup>
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106 <h2>Fedora Linux</h2>
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107 </hgroup>
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108 <article>
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109 <ul>
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110 <li>Linux kernel 3.8.9</li>
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111 <li>gdb で追いながら追っている途中</li>
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112 </ul>
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113 </article>
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114 </slide>
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115
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116 <slide>
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117 <hgroup>
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118 <h2>PostgreSQL</h2>
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119 </hgroup>
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120 <article>
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121 <h3>手順</h3>
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122 <ol>
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123 <li>./initdb -D $PGDATA<br>
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124 データベースの初期化<li>
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125 <li>./pg_ctl -D $PGDATA -l [logfile_name] start<br>
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126 PostgreSQL の起動<li>
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127 <li>./psql user<br>
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128 対話プロンプトが開く<li>
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129 <li>
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130 ps -ef | grep postgres<br>
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131 PostgreSQL のプロセスを探し出す<li>
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132 <li>gdb $DIR/bin/postgres [process number]<br>
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133 で読む<li>
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134 </ol>
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135 </article>
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136 </slide>
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137
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138
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139 <slide class="logoslide dark nobackground">
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140 <article class="flexbox vcenter">
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141 <span><img src="../io2012slides/images/google_developers_logo_white.png"></span>
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142 </article>
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143 </slide>
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144
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145 <slide class="backdrop"></slide>
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146
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147 </slides>
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148
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149 <script>
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150 var _gaq = _gaq || [];
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153
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158 })();
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159 </script>
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160
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161 <!--[if IE]>
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162 <script src="http://ajax.googleapis.com/ajax/libs/chrome-frame/1/CFInstall.min.js"></script>
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163 <script>CFInstall.check({mode: 'overlay'});</script>
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164 <![endif]-->
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165 </body>
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166 </html>
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