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1 swift 1.1 <?xml version='1.0' encoding='UTF-8'?>
2     <!DOCTYPE sections SYSTEM "/dtd/book.dtd">
3    
4     <!-- The content of this document is licensed under the CC-BY-SA license -->
5     <!-- See http://creativecommons.org/licenses/by-sa/1.0 -->
6    
7 swift 1.5 <!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-mips-bootloader.xml,v 1.4 2004/09/24 12:08:44 swift Exp $ -->
8 swift 1.1
9     <sections>
10     <section>
11     <title>The MIPS PROM</title>
12     <subsection>
13     <body>
14    
15     <p>
16     MIPS doesn't require that you install a bootloader. The MIPS PROM handles the
17     booting, but you need to install your kernel as a viable option.
18     </p>
19    
20     <p>
21     First, install <c>dvhtool</c>, needed to copy the kernel to the SGI Volume
22     Header.
23     </p>
24    
25     <pre caption="Installing dvhtool">
26     # <i>emerge dvhtool</i>
27     </pre>
28    
29     <p>
30     Now copy over the kernel to the SGI Volume Header. By default <c>dvhtool</c>
31     assumes that the SGI Volume Header is on <path>/dev/sda</path>. If this is not
32     the case (for instance when IRIX is installed on <path>/dev/sda</path> and
33     Gentoo/MIPS on <path>/dev/sdb</path>) you need to inform <c>dvhtool</c> about it
34     using <c>-d &lt;device&gt;</c>.
35     </p>
36    
37     <pre caption="Copying a kernel to the SGI Volume Header">
38     # <i>dvhtool --unix-to-vh &lt;kernel name in /boot&gt; &lt;name you want to give in volume header&gt;</i>
39     </pre>
40    
41     <p>
42     If you want to see all available entries in the volume, use
43     <c>--print-volume-directory</c>:
44     </p>
45    
46     <pre caption="Viewing all available entries in the volume">
47     # <i>dvhtool --print-volume-directory</i>
48     </pre>
49    
50     <p>
51 swift 1.5 To set up your system to boot Gentoo/MIPS you need to go tweak some settings in
52 swift 1.2 the MIPS PROM.
53 swift 1.1 </p>
54    
55     <p>
56 swift 1.2 Continue with <uri link="#reboot">Rebooting the System</uri>.
57     </p>
58    
59     </body>
60     </subsection>
61     </section>
62 cam 1.3 <section id="reboot">
63 swift 1.2 <title>Rebooting the System</title>
64     <subsection>
65     <body>
66    
67     <p>
68     Exit the chrooted environment and unmount all mounted partitions. Then type in
69     that one magical command you have been waiting for: <c>reboot</c>.
70     </p>
71    
72     <pre caption="Exiting the chroot, unmounting all partitions and rebooting">
73     # <i>exit</i>
74 swift 1.4 cdimage ~# <i>cd</i>
75 swift 1.2 cdimage ~# <i>umount /mnt/gentoo/boot /mnt/gentoo/proc /mnt/gentoo</i>
76     cdimage ~# <i>reboot</i>
77     </pre>
78    
79     </body>
80     </subsection>
81     </section>
82     <section>
83     <title>Tweaking the MIPS PROM</title>
84     <subsection>
85     <body>
86    
87     <p>
88     When you are rebooted, go to the <e>System Maintenance Menu</e> and select
89     <e>Enter Command Monitor</e> (<c>5</c>). If you want to test your new Gentoo
90     installation, you can just run <c>boot -f &lt;kernel name&gt;</c>. To have your
91     system permanently boot into the Gentoo installation, you need to set some
92     variables in the MIPS PROM:
93     </p>
94    
95     <pre caption="Configuring the PROM to Boot Gentoo">
96     1) Start System
97     2) Install System Software
98     3) Run Diagnostics
99     4) Recover System
100     5) Enter Command Monitor
101    
102     Option? <i>5</i>
103     Command Monitor. Type "exit" to return to the menu.
104    
105     <comment>(&lt;root device&gt; = Gentoo's root partition, e.g. /dev/sda3)</comment>
106     &gt;&gt; <i>setenv OSLoadPartition &lt;root device&gt;</i>
107    
108     <comment>(To list the available kernels, type "ls")</comment>
109     &gt;&gt; <i>setenv OSLoader &lt;kernel name&gt;</i>
110     &gt;&gt; <i>setenv OSLoadFilename &lt;kernel name&gt;</i>
111    
112     <comment>(Declare the kernel parameters you want to pass)</comment>
113     &gt;&gt; <i>setenv OSLoadOptions &lt;kernel parameters&gt;</i>
114    
115     <comment>(Provide the location of the Volume Header)</comment>
116     &gt;&gt; <i>setenv SystemPartition scsi(0)disk(1)rdisk(0)partition(8)</i>
117    
118     <comment>(Automatically boot Gentoo)</comment>
119     &gt;&gt; <i>setenv AutoLoad Yes</i>
120    
121     <comment>(Set the timezone)</comment>
122     &gt;&gt; <i>setenv TimeZone EST5EDT</i>
123    
124     <comment>(Use the serial console - graphic adapter users should have "g" instead of "d1" (one))</comment>
125     &gt;&gt; <i>setenv console d1</i>
126     </pre>
127    
128     <p>
129     Now you're ready to enjoy Gentoo! Boot in your Gentoo installation and finish
130     up with <uri link="?part=1&amp;chap=11">Finalizing your Gentoo
131     Installation</uri>.
132 swift 1.1 </p>
133    
134     </body>
135     </subsection>
136     </section>
137     </sections>

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