1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ |
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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5 | %general-entities; |
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6 | ]> |
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7 | |
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8 | <sect1 id="ch-bootloaders-colo" role="wrap"> |
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9 | <?dbhtml filename="colo.html"?> |
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10 | |
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11 | <title>Colo-&colo-version;</title> |
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12 | |
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13 | <indexterm zone="ch-bootloaders-colo"> |
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14 | <primary sortas="a-Colo">Colo</primary> |
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15 | </indexterm> |
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16 | |
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17 | <sect2 role="package"> |
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18 | <title/> |
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19 | |
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20 | <para>This bootloader is for the MIPS based cobalt servers RaQ, |
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21 | RaQ2, Qube, or the Qube2.</para> |
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22 | |
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23 | </sect2> |
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24 | |
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25 | <sect2 role="installation"> |
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26 | <title>Installation of Colo</title> |
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27 | |
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28 | <para os="p1">This patch updates the Colo bootloader to build under |
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29 | cross-compiled conditions:</para> |
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30 | |
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31 | <screen os="p2"><userinput>patch -Np1 -i ../&colo-make-patch;</userinput></screen> |
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32 | |
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33 | <para os="p3">This patch fixes a relocation error when linking with |
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34 | Binutils:</para> |
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35 | |
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36 | <screen os="p4"><userinput>patch -Np1 -i ../&colo-relocation-patch;</userinput></screen> |
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37 | |
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38 | <para os="a">Compile the Colo package:</para> |
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39 | |
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40 | <screen os="b"><userinput>make CC="${CC}" CROSS_COMPILE="${CLFS_TARGET}-" binary |
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41 | make CC="${CC}" CROSS_COMPILE="${CLFS_TARGET}-" tooldirs</userinput></screen> |
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42 | |
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43 | <para os="c">Install the package:</para> |
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44 | |
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45 | <screen os="d"><userinput>install -v tools/lcdtools/e2fsck-lcd/e2fsck-lcd ${CLFS}/sbin |
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46 | install -v tools/lcdtools/e2fsck-lcd/e2fsck-lcd.8 ${CLFS}/usr/man/man8 |
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47 | install -v tools/lcdtools/paneld/paneld ${CLFS}/sbin |
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48 | install -v tools/lcdtools/paneld/paneld.8 ${CLFS}/usr/man/man8 |
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49 | install -v tools/lcdtools/putlcd/putlcd ${CLFS}/sbin |
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50 | install -v tools/lcdtools/putlcd/putlcd.8 ${CLFS}/usr/man/man8 |
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51 | cp -v chain/colo-chain.elf ${CLFS}/boot/vmlinux |
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52 | gzip -9 ${CLFS}/boot/vmlinux</userinput></screen> |
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53 | |
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54 | </sect2> |
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55 | |
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56 | <sect2 role="configuration"> |
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57 | <title>Configuration of Colo</title> |
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58 | |
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59 | <para os="e">Your shiny new CLFS system is almost complete. One of the last |
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60 | things to do is ensure you can boot it. The instructions below apply |
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61 | only to Cobalt RaQ1/RaQ2/Cube2 servers. Information on <quote>boot |
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62 | loading</quote> for other architectures should be available in the |
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63 | usual resource-specific locations for those architectures.</para> |
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64 | |
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65 | <para os="f">Boot loading can be a complex area, so a few cautionary words |
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66 | are in order. Be familiar with the current boot loader and any other |
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67 | operating systems present on the hard drive(s) that need to be bootable. |
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68 | Make sure that an emergency boot disk is ready to <quote>rescue</quote> |
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69 | the computer if the computer becomes unusable (un-bootable).</para> |
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70 | |
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71 | <para os="g">Earlier, we compiled and installed the Cobalt boot loader |
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72 | software in preparation for this step. Now we will configure our system |
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73 | to boot using Colo. Here is a simple <filename>default.colo</filename> |
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74 | to use.</para> |
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75 | |
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76 | <screen os="h"><userinput>cat > /boot/default.colo << EOF |
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77 | <literal>#:CoLo:# |
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78 | # |
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79 | # load linux |
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80 | # |
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81 | lcd 'Booting &linux-version;...' |
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82 | load vmlinux-&linux-version;.gz |
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83 | execute root=/dev/hda2 console=ttyS0,115200 ide1=noprobe</literal> |
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84 | EOF</userinput></screen> |
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85 | |
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86 | <para os="i">The FHS stipulates that the bootloader's configuration file should |
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87 | be symlinked to <filename class="symlink">/etc/{Bootloader Name}</filename>. |
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88 | To satisfy this requirement for Colo, issue the following command:</para> |
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89 | |
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90 | <screen os="j"><userinput>mkdir -v ${CLFS}/etc/colo && |
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91 | ln -sv ../boot/colo/default.colo ${CLFS}/etc/colo</userinput></screen> |
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92 | |
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93 | </sect2> |
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94 | |
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95 | <sect2 role="kernel"> |
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96 | <title>Kernel Configuration for Colo</title> |
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97 | |
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98 | <para os="k">To help keep our system small Colo allows us to |
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99 | compress our kernel. The followings step will show you how to |
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100 | compress the kernel the way colo expects it:</para> |
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101 | |
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102 | <screen os="l"><userinput>gzip -9 ${CLFS}/boot/vmlinux-&linux-version;</userinput></screen> |
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103 | |
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104 | </sect2> |
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105 | |
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106 | <sect2 id="contents-colo" role="content"> |
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107 | <title>Contents of Colo</title> |
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108 | |
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109 | <segmentedlist> |
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110 | <segtitle>Installed programs</segtitle> |
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111 | |
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112 | <seglistitem> |
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113 | <seg>colo-chain.elf, e2fsck-lcd, paneld and putlcd</seg> |
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114 | </seglistitem> |
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115 | </segmentedlist> |
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116 | |
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117 | <variablelist> |
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118 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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119 | <?dbfo list-presentation="list"?> |
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120 | <?dbhtml list-presentation="table"?> |
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121 | |
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122 | <varlistentry id="colo-chain.elf"> |
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123 | <term><command>colo</command></term> |
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124 | <listitem> |
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125 | <para>Is the Cobalt Bootloader's chain mode executeable. This |
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126 | file gets gzipped and renamed to <filename>vmlinux.gz</filename>, |
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127 | so it can be booted automatically by the Cobalt's existing |
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128 | firmware</para> |
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129 | <indexterm zone="ch-bootloaders-colo colo-chain.elf"> |
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130 | <primary sortas="b-colo-chain.elf">colo-chain.elf</primary> |
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131 | </indexterm> |
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132 | </listitem> |
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133 | </varlistentry> |
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134 | |
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135 | <varlistentry id="e2fsck-lcd"> |
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136 | <term><command>e2fsck-lcd</command></term> |
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137 | <listitem> |
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138 | <para>Will output file system check progress information on the |
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139 | Cobalt LCD</para> |
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140 | <indexterm zone="ch-bootloaders-colo e2fsck-lcd"> |
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141 | <primary sortas="b-e2fsck-lcd">e2fsck-lcd</primary> |
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142 | </indexterm> |
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143 | </listitem> |
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144 | </varlistentry> |
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145 | |
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146 | <varlistentry id="paneld"> |
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147 | <term><command>paneld</command></term> |
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148 | <listitem> |
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149 | <para>Is an admin tool for the LCD panel of Cobalt machines. By |
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150 | default, it will display the current time and optionally a message. |
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151 | When you hold the enter or select button for a couple of seconds |
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152 | you will get an admin menu. The menu will allow you to either halt |
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153 | or reboot your Cobalt machine</para> |
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154 | <indexterm zone="ch-bootloaders-colo paneld"> |
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155 | <primary sortas="b-paneld">paneld</primary> |
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156 | </indexterm> |
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157 | </listitem> |
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158 | </varlistentry> |
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159 | |
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160 | <varlistentry id="putlcd"> |
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161 | <term><command>putlcd</command></term> |
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162 | <listitem> |
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163 | <para>Is a tool to display text on the LCD display of Cobalt |
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164 | machines</para> |
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165 | <indexterm zone="ch-bootloaders-colo putlcd"> |
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166 | <primary sortas="b-putlcd">putlcd</primary> |
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167 | </indexterm> |
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168 | </listitem> |
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169 | </varlistentry> |
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170 | |
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171 | </variablelist> |
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172 | |
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173 | </sect2> |
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174 | |
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175 | </sect1> |
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