[0d1a1f9] | 1 | <?xml version="1.0" encoding="UTF-8"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/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 | <!ENTITY dtc-download-http "https://kernel.org/pub/software/utils/dtc/dtc-&dtc-version;.tar.xz">
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| 8 | <!ENTITY dtc-md5sum "228576aceed3aa89f54283aa0f1eb820">
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| 9 | <!ENTITY dtc-size "164 KB">
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| 10 | <!ENTITY dtc-buildsize "14 MB">
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| 11 | <!ENTITY dtc-time "less than 0.1 SBU">
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| 12 | ]>
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| 13 |
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| 14 | <!-- Try to keep the indentation used in this file-->
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| 15 | <sect1 id="dtc" xreflabel="dtc-&dtc-version;">
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| 16 | <?dbhtml filename="dtc.html"?>
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| 17 |
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| 18 | <title>Dtc-&dtc-version;</title>
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| 19 |
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| 20 | <indexterm zone="dtc">
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| 21 | <primary sortas="a-dtc">dtc</primary>
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| 22 | </indexterm>
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| 23 |
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| 24 | <!--Required section-->
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| 25 | <sect2 role="package">
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| 26 | <title>Introduction to Dtc</title>
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| 27 |
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| 28 | <para>
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| 29 | The <application>dtc</application> package contains the Device Tree
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| 30 | Compiler for working with device tree source and binary files and also
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| 31 | libfdt, a utility library for reading and manipulating device trees
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| 32 | in the binary format.
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| 33 | </para>
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| 34 |
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| 35 | &lfs121_checked;
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| 36 |
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| 37 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 38 | <itemizedlist spacing="compact">
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| 39 | <listitem>
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| 40 | <para>
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| 41 | Download (HTTP): <ulink url="&dtc-download-http;"/>
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| 42 | </para>
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| 43 | </listitem>
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| 44 | <listitem>
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| 45 | <para>
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| 46 | Download MD5 sum: &dtc-md5sum;
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| 47 | </para>
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| 48 | </listitem>
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| 49 | <listitem>
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| 50 | <para>
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| 51 | Download size: &dtc-size;
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| 52 | </para>
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| 53 | </listitem>
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| 54 | <listitem>
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| 55 | <para>
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| 56 | Estimated disk space required: &dtc-buildsize;
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| 57 | </para>
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| 58 | </listitem>
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| 59 | <listitem>
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| 60 | <para>
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| 61 | Estimated build time: &dtc-time;
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| 62 | </para>
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| 63 | </listitem>
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| 64 | </itemizedlist>
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| 65 |
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| 66 | <bridgehead renderas="sect3">Dtc Dependencies</bridgehead>
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| 67 |
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| 68 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 69 | <para role="optional">
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| 70 | <xref linkend='libyaml'/>,
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| 71 | <xref linkend='setuptools_scm'/>,
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| 72 | <xref linkend='swig'/>, and
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| 73 | <xref linkend='texlive'/>
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| 74 | </para>
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| 75 | </sect2>
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| 76 |
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| 77 | <sect2 role="installation">
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| 78 | <title>Installation of Dtc</title>
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| 79 |
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| 80 | <para>
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| 81 | Install <application>dtc</application> by running the following
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| 82 | commands:
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| 83 | </para>
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| 84 |
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| 85 | <screen><userinput>mkdir build &&
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| 86 | cd build &&
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| 87 |
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| 88 | meson setup --prefix=/usr \
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| 89 | --buildtype=release \
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| 90 | -Dpython=disabled .. &&
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| 91 | ninja</userinput></screen>
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| 92 |
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| 93 | <para>
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| 94 | To test the results, issue: <command>meson test -v</command>.
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| 95 | <!-- https://github.com/dgibson/dtc/commit/32174a66efa4 -->
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| 96 | Two tests named <filename>cell-overflow.dts</filename> and
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| 97 | <filename>cell-overflow-results.dts</filename> are known to fail.
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| 98 | </para>
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| 99 |
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| 100 | <para>
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| 101 | Now, as the &root; user:
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| 102 | </para>
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| 103 |
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| 104 | <screen role="root"><userinput>ninja install</userinput></screen>
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| 105 |
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| 106 | <para>
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| 107 | Still as the &root; user, remove the useless static library:
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| 108 | </para>
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| 109 |
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| 110 | <screen role="root"><userinput>rm /usr/lib/libfdt.a</userinput></screen>
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| 111 |
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| 112 | <para>
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| 113 | If you have <xref linkend='texlive'/> installed, you can build the PDF
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| 114 | format of the documentation by issuing the following command:
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| 115 | </para>
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| 116 |
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| 117 | <screen remap="doc"><userinput>pushd ../Documentation
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| 118 | latexmk -bibtex --pdf dtc-paper &&
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| 119 | latexmk -bibtex --pdf dtc-paper -c
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| 120 | popd</userinput></screen>
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| 121 |
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| 122 | <para>
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| 123 | To install the documentation, as the &root; user issue the following
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| 124 | command:
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| 125 | </para>
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| 126 |
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| 127 | <screen role="root"><userinput>cp -R ../Documentation -T /usr/share/doc/dtc-&dtc-version;</userinput></screen>
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| 128 |
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| 129 | <para>
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| 130 | If you have installed both <xref linkend='setuptools_scm'/> and
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| 131 | <xref linkend='swig'/> and you wish to install the Python 3 binding
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| 132 | of this package, build the Python 3 module:
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| 133 | </para>
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[10847bb9] | 134 |
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| 135 | <screen role="nodump"><userinput>sed -i '/use_scm_version/a "fallback_version": "1.7.0",' ../setup.py &&
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[0d1a1f9] | 136 | &build-wheel-cmd; ..</userinput></screen>
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| 137 |
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| 138 | <para>
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| 139 | As the &root; user, install the Python 3 module:
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| 140 | </para>
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| 141 |
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[57c6f42] | 142 | <screen role="nodump"><userinput>&install-wheel; libfdt</userinput></screen>
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[0d1a1f9] | 143 | </sect2>
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| 144 |
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| 145 | <sect2 role="commands">
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| 146 | <title>Command Explanations</title>
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| 147 |
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| 148 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 149 | href="../../xincludes/meson-buildtype-release.xml"/>
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| 150 |
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| 151 | <para>
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| 152 | <parameter>-Dpython=disabled</parameter>: This switch prevents
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| 153 | building the Python 3 binding with the deprecated method
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| 154 | (running <command>setup.py</command> directly). We will build the
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| 155 | Python 3 binding with the <command>pip3 wheel</command> command
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| 156 | separately if wanted.
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| 157 | </para>
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| 158 |
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| 159 | <para>
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| 160 | <command>sed ... ../setup.py</command>: This command allows building
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| 161 | the Python 3 binding from a release tarball (instead of a Git
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| 162 | checkout).
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| 163 | </para>
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| 164 |
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| 165 | </sect2>
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| 166 |
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| 167 | <sect2 role="content">
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| 168 | <title>Contents</title>
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| 169 |
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| 170 | <segmentedlist>
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| 171 | <segtitle>Installed Programs</segtitle>
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| 172 | <segtitle>Installed Library</segtitle>
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| 173 | <segtitle>Installed Directory</segtitle>
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| 174 |
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| 175 | <seglistitem>
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| 176 | <seg>
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| 177 | convert-dtsv0, dtc, dtdiff, fdtdump, fdtget, fdtoverlay,
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| 178 | and fdtput
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| 179 | </seg>
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| 180 | <seg>
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| 181 | libfdt.so
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| 182 | </seg>
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| 183 | <seg>
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| 184 | /usr/lib/python&python3-majorver;/site-packages/libfdt-&dtc-version;.dist-info
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| 185 | </seg>
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| 186 | </seglistitem>
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| 187 | </segmentedlist>
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| 188 |
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| 189 | <variablelist>
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| 190 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 191 | <?dbfo list-presentation="list"?>
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| 192 | <?dbhtml list-presentation="table"?>
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| 193 |
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| 194 | <varlistentry id="convert-dtsv0">
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| 195 | <term><command>convert-dtsv0</command></term>
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| 196 | <listitem>
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| 197 | <para>
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| 198 | converts device tree v0 source to device tree v1
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| 199 | </para>
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| 200 | <indexterm zone="dtc convert-dtsv0">
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| 201 | <primary sortas="b-convert-dtsv0">convert-dtsv0</primary>
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| 202 | </indexterm>
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| 203 | </listitem>
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| 204 | </varlistentry>
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| 205 |
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| 206 | <varlistentry id="dtc-prog">
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| 207 | <term><command>dtc</command></term>
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| 208 | <listitem>
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| 209 | <para>
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| 210 | compiles device tree source (dts) to device tree binary blob
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| 211 | (dtb), or de-compiles dtb to dts
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| 212 | </para>
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| 213 | <indexterm zone="dtc dtc-prog">
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| 214 | <primary sortas="b-dtc">dtc</primary>
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| 215 | </indexterm>
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| 216 | </listitem>
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| 217 | </varlistentry>
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| 218 |
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| 219 | <varlistentry id="dtdiff">
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| 220 | <term><command>dtdiff</command></term>
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| 221 | <listitem>
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| 222 | <para>
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| 223 | compares two different device tree
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| 224 | </para>
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| 225 | <indexterm zone="dtc dtdiff">
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| 226 | <primary sortas="b-dtdiff">dtdiff</primary>
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| 227 | </indexterm>
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| 228 | </listitem>
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| 229 | </varlistentry>
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| 230 |
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| 231 | <varlistentry id="fdtdump">
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| 232 | <term><command>fdtdump</command></term>
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| 233 | <listitem>
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| 234 | <para>
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| 235 | prints a readable version of a flat device-tree file
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| 236 | </para>
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| 237 | <indexterm zone="dtc fdtdump">
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| 238 | <primary sortas="b-fdtdump">fdtdump</primary>
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| 239 | </indexterm>
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| 240 | </listitem>
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| 241 | </varlistentry>
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| 242 |
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| 243 | <varlistentry id="fdtget">
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| 244 | <term><command>fdtget</command></term>
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| 245 | <listitem>
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| 246 | <para>
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| 247 | reads values from device-tree
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| 248 | </para>
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| 249 | <indexterm zone="dtc fdtget">
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| 250 | <primary sortas="b-fdtget">fdtget</primary>
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| 251 | </indexterm>
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| 252 | </listitem>
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| 253 | </varlistentry>
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| 254 |
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| 255 | <varlistentry id="fdtoverlay">
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| 256 | <term><command>fdtoverlay</command></term>
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| 257 | <listitem>
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| 258 | <para>
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| 259 | applies a number of overlays to a base device tree blob
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| 260 | </para>
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| 261 | <indexterm zone="dtc fdtoverlay">
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| 262 | <primary sortas="b-fdtoverlay">fdtoverlay</primary>
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| 263 | </indexterm>
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| 264 | </listitem>
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| 265 | </varlistentry>
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| 266 |
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| 267 | <varlistentry id="fdtput">
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| 268 | <term><command>fdtput</command></term>
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| 269 | <listitem>
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| 270 | <para>
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| 271 | writes a property value to a device tree
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| 272 | </para>
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| 273 | <indexterm zone="dtc fdtput">
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| 274 | <primary sortas="b-fdtput">fdtput</primary>
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| 275 | </indexterm>
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| 276 | </listitem>
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| 277 | </varlistentry>
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| 278 |
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| 279 | <varlistentry id="libfdt">
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| 280 | <term><filename class="libraryfile">libfdt.so</filename></term>
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| 281 | <listitem>
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| 282 | <para>
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| 283 | is a utility library for reading and manipulating device trees
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| 284 | in the binary format
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| 285 | </para>
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| 286 | <indexterm zone="dtc libfdt">
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| 287 | <primary sortas="c-libfdt">libfdt.so</primary>
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| 288 | </indexterm>
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| 289 | </listitem>
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| 290 | </varlistentry>
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| 291 | </variablelist>
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| 292 | </sect2>
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| 293 | </sect1>
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