source: clfs-embedded/BOOK/cross-tools/mips/variables.xml @ a9bbc46

Last change on this file since a9bbc46 was a9bbc46, checked in by Joe Ciccone <jciccone@…>, 12 years ago

Updated uClibc to 0.9.31.

  • Property mode set to 100644
File size: 3.0 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4  <!ENTITY % general-entities SYSTEM "../../general.ent">
5  %general-entities;
6]>
7
8<sect1 id="ch-cross-tools-variables">
9  <?dbhtml filename="variables.html"?>
10
11  <title>Build Variables</title>
12
13  <bridgehead renderas="sect4">Setting Host and Target</bridgehead>
14
15  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
16  href="../x86/variables.xml"
17  xpointer="xpointer(//*[@os='a'])"/>
18
19  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
20  href="../x86/variables.xml"
21  xpointer="xpointer(//*[@os='b'])"/>
22
23  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
24  href="../x86/variables.xml"
25  xpointer="xpointer(//*[@os='c'])"/>
26
27<screen os="d"><userinput>export CLFS_ARCH=$(echo ${CLFS_TARGET} | sed -e 's/\(mips\)\(64\)\?\(el\)\?-.*/\1\3/')
28export CLFS_ENDIAN=$(echo ${CLFS_ARCH} | sed -e 's/mipsel/little/' -e 's/mips/big/')</userinput></screen>
29
30  <para os="m1">Now you will need to set the MIPS LEVEL. This determines how your
31uClibc is built. There are currently 5 MIPS ISA Levels. To keep things simple
32we are only using 2. For more information, go to
33<ulink url="http://www.linux-mips.org/wiki/Instruction_Set_Architecture"/></para>
34
35<screen os="m2"><userinput>export CLFS_MIPS_LEVEL="{mips level}"</userinput></screen>
36
37  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
38  href="../x86/variables.xml"
39  xpointer="xpointer(//*[@os='g'])"/>
40
41<screen os="h"><userinput>echo export CLFS_HOST=\""${CLFS_HOST}\"" &gt;&gt; ~/.bashrc
42echo export CLFS_TARGET=\""${CLFS_TARGET}\"" &gt;&gt; ~/.bashrc
43echo export CLFS_ARCH=\""${CLFS_ARCH}\"" &gt;&gt; ~/.bashrc
44echo export CLFS_ENDIAN=\""${CLFS_ENDIAN}\"" &gt;&gt; ~/.bashrc
45echo export CLFS_MIPS_LEVEL=\""${CLFS_MIPS_LEVEL}\"" &gt;&gt; ~/.bashrc</userinput></screen>
46
47  <table os="i">
48    <title>Processor Type and  Target Triplets</title>
49    <?dbfo table-width="5.5in" ?>
50
51    <tgroup cols="2">
52
53      <colspec colnum="1" colwidth="2in"   colname="Processor"/>
54      <colspec colnum="2" colwidth="2.5in" colname="Triplet"/>
55      <colspec colnum="3" colwidth="1in"   colname="MIPS Level"/>
56
57      <thead>
58        <row>
59          <entry>Processor</entry>
60          <entry>Target Triplet</entry>
61          <entry>MIPS Level</entry>
62        </row>
63      </thead>
64
65      <tbody>
66        <row>
67          <entry>MIPS 32 bits Little Endian</entry>
68          <entry>mipsel-unknown-linux-uclibc</entry>
69          <entry>1</entry>
70        </row>
71        <row>
72          <entry>MIPS 32 bits Big Endian</entry>
73          <entry>mips-unknown-linux-uclibc</entry>
74          <entry>1</entry>
75        </row>
76        <row>
77          <entry>MIPS 64 bits Little Endian</entry>
78          <entry>mips64el-unknown-linux-uclibc</entry>
79          <entry>3</entry>
80        </row>
81        <row>
82          <entry>MIPS 64 bits Big Endian</entry>
83          <entry>mips64-unknown-linux-uclibc</entry>
84          <entry>3</entry>
85        </row>
86      </tbody>
87
88    </tgroup>
89
90  </table>
91
92</sect1>
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