2007-02-18 00:21:28 +01:00
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<html>
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<head>
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2007-02-28 02:16:49 +01:00
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<title>NuttX Porting Manual</title>
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2007-02-18 00:21:28 +01:00
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<meta name="author" content="Gregory Nutt">
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</head>
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2007-02-28 02:16:49 +01:00
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<body background="backgd.gif">
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2007-02-22 02:50:30 +01:00
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<hr>
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<center><h1><i>Under Construction</i></h1></center>
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<hr>
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2007-02-18 00:21:28 +01:00
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<center>
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<big><b>
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<p>Nuttx Operating System</p>
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<p>Porting Guide</p>
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</b></big>
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<p><small>by</small></p>
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<p>Gregory Nutt</p>
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<p><small>Last Update: February 8, 2007</small></p>
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</center>
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<center><h1>Table of Contents</h1></center>
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<li>1.0 <a href="#Introduction">1.0 Introduction</a></li>
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<li>2.0 <a href="#DirectoryStructure">Directory Structure</a></li>
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<ul>
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<li>2.1 <a href="#DirStructDocumentation">Documentation</a></li>
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<l1>2.2 <a href="#DirStructArch">arch</a></li>
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<li>2.3 <a href="#DirStructDrivers">drivers</a></li>
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<li>2.4 <a href="#DirStructExamples">examples</a></li>
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<li>2.5 <a href="#DirStructFs">fs</a></li>
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<li>2.6 <a href="#DirStructInclude">include</a></li>
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<li>2.7 <a href="#DirStructLib">lib</a></li>
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<li>2.8 <a href="#DirStructMm">mm</a></li>
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<li>2.9 <a href="#DirStructSched">sched</a></li>
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<li>2.10 <a href="#DirStructDrivers">tools</a></li>
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</ul>
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<li>3.0 <a href="#DirectoryConfiAndBuild">Configuring and Building</a></li>
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<hr>
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<h1>1.0 <a name="Introduction">Introduction</a></h1>
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<p><b>Overview</b>
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This document provides and overview of the Nuttx build and configuration
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logic and provides hints for the incorporation of new processor/board archectures
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into the build.
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</p>
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<p>
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See also arch/README.txt.
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</p>
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<p><b>General Philosophy</b>.
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<hr>
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<h1>2.0 <a name="DirectoryStructure">Directory Structure</a></h1>
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<p>The general directly layout for Nuttx is very similar to the directory structure
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of the Linux kernel -- at least at the most superficial layers.
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At the top level is the main makefile and a series of sub-directories identified
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below and discussed in the following paragraphs:</p>
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<ul><pre>
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.
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|-- Makefile
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|-- <a href="#DirStructDocumentation">Documentation</a>
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| `-- <i>(documentation files)</i>
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|-- <a href="#DirStructArch">arch</a>
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| |-- <i>(architecture)</i>
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| | |-- Make.defs
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| | |-- defconfig
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| | |-- include
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| | |-- setenv.sh
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| | `-- src
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| `-- <i>(other architectures)</i>
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|-- <a href="#DirStructDrivers">drivers</a>
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| |-- Makefile
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| `-- <i>(driver source files)</i>
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|-- <a href="#DirStructExamples">examples</a>
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| `-- <i>(example)</i>
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| |-- Makefile
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| `-- <i>(example source files)</i>
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|-- <a href="#DirStructFs">fs</a>
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| |-- Makefile
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| `-- <i>(fs source files)</i>
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|-- <a href="#DirStructInclude">include</a>
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| |-- <i>(standard header files)</i>
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| |-- nuttx
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| | `-- <i>(nuttx specific header files)</i>
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| `- sys
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| | `-- <i>(more standard header files)</i>
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|-- <a href="#DirStructLib">lib</a>
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| |-- Makefile
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| `-- <i>(lib source files)</i>
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|-- <a href="#DirStructMm">mm</a>
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| |-- Makefile
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| `-- <i>(mm source files)</i>
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|-- <a href="#DirStructSched">sched</a>
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| |-- Makefile
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| `-- <i>(sched source files)</i>
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`-- <a href="#DirStructDrivers">tools</a>
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|-- Makefile.mkconfig
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|-- configure.sh
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|-- mkconfig.c
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|-- mkdeps.sh
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`-- zipme
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</pre></ul>
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<h2>2.1 <a name="DirStructDocumentation">Documentation</a></h2>
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<h2>2.2 <a name="DirStructArch">arch</a></h2>
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<h2>2.3 <a name="DirStructDrivers">drivers</a></h2>
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<h2>2.4 <a name="DirStructExamples">examples</a></h2>
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<h2>2.5 <a name="DirStructFs">fs</a></h2>
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<h2>2.6 <a name="DirStructInclude">include</a></h2>
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<h2>2.7 <a name="DirStructLib">lib</a></h2>
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<h2>2.8 <a name="DirStructMm">mm</a></h2>
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<h2>2.9 <a name="DirStructSched">sched</a></h2>
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<h2>2.10 <a name="DirStructDrivers">tools</a></h2>
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<hr>
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<h1>3.0 <a name="DirectoryConfiAndBuild">Configuring and Building</a></h1>
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</body>
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</html>
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