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<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
[<!ENTITY % poky SYSTEM "../poky.ent"> %poky; ] >
<chapter id='dev-manual-intro'>
<title>The Yocto Project Development Manual</title>
<section id='intro'>
<title>Introduction</title>
<para>
Welcome to the Yocto Project Development Manual!
This manual gives you an idea of how to use the Yocto Project to
develop embedded Linux images and user-space applications to run on
targeted devices.
Reading this manual gives you an overview of image, kernel, and
user-space application development using the Yocto Project.
Because much of the information in this manual is general, it
contains many references to other sources where you can find more
detail.
For example, detailed information on Git, repositories and open
source in general can be found in many places.
Another example is how to get set up to use the Yocto Project,
which our Yocto Project Quick Start covers.
<note>
By default, using the Yocto Project creates a Poky distribution.
However, you can create your own distribution by providing key
<link linkend='metadata'>Metadata</link>.
A good example is Angstrom, which has had a distribution
based on the Yocto Project since its inception.
See the "<link linkend='creating-your-own-distribution'>Creating Your Own Distribution</link>"
section for more information.
</note>
</para>
<para>
The Yocto Project Development Manual, however, does provide detailed examples
on how to change the kernel source code, reconfigure the kernel, and develop
an application using the popular <trademark class='trade'>Eclipse</trademark> IDE.
</para>
</section>
<section id='what-this-manual-provides'>
<title>What this Manual Provides</title>
<para>
The following list describes what you can get from this guide:
<itemizedlist>
<listitem><para>Information that lets you get set
up to develop using the Yocto Project.</para></listitem>
<listitem><para>Information to help developers who are new to the open source environment
and to the distributed revision control system Git, which the Yocto Project
uses.</para></listitem>
<listitem><para>An understanding of common end-to-end development models and tasks.</para></listitem>
<listitem><para>Development case overviews for both system development and user-space
applications.</para></listitem>
<listitem><para>An overview and understanding of the emulation environment used with
the Yocto Project - the Quick EMUlator (QEMU).</para></listitem>
<listitem><para>An understanding of basic kernel architecture and concepts.</para></listitem>
<listitem><para>Many references to other sources of related information.</para></listitem>
</itemizedlist>
</para>
</section>
<section id='what-this-manual-does-not-provide'>
<title>What this Manual Does Not Provide</title>
<para>
This manual will not give you the following:
<itemizedlist>
<listitem><para>Step-by-step instructions if those instructions exist in other Yocto
Project documentation.
For example, the Yocto Project Application Developer's Guide contains detailed
instruction on how to run the
<ulink url='&YOCTO_DOCS_ADT_URL;#installing-the-adt'>Installing the ADT and Toolchains</ulink>,
which is used to set up a cross-development environment.</para></listitem>
<listitem><para>Reference material.
This type of material resides in an appropriate reference manual.
For example, system variables are documented in the
<ulink url='&YOCTO_DOCS_REF_URL;'>Yocto Project Reference Manual</ulink>.</para></listitem>
<listitem><para>Detailed public information that is not specific to the Yocto Project.
For example, exhaustive information on how to use Git is covered better through the
Internet than in this manual.</para></listitem>
</itemizedlist>
</para>
</section>
<section id='other-information'>
<title>Other Information</title>
<para>
Because this manual presents overview information for many different topics, you will
need to supplement it with other information.
The following list presents other sources of information you might find helpful:
<itemizedlist>
<listitem><para><emphasis>The <ulink url='&YOCTO_HOME_URL;'>Yocto Project Website</ulink>:
</emphasis> The home page for the Yocto Project provides lots of information on the project
as well as links to software and documentation.</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_DOCS_QS_URL;'>Yocto Project Quick Start</ulink>:</emphasis> This short document lets you get started
with the Yocto Project quickly and start building an image.</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_DOCS_REF_URL;'>Yocto Project Reference Manual</ulink>:</emphasis> This manual is a reference
guide to the OpenEmbedded build system known as "Poky."
The manual also contains a reference chapter on Board Support Package (BSP)
layout.</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_DOCS_ADT_URL;'>Yocto Project Application Developer's Guide</ulink>:</emphasis>
This guide provides information that lets you get going with the Application
Development Toolkit (ADT) and stand-alone cross-development toolchains to
develop projects using the Yocto Project.</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_DOCS_BSP_URL;'>Yocto Project Board Support Package (BSP) Developer's Guide</ulink>:</emphasis>
This guide defines the structure for BSP components.
Having a commonly understood structure encourages standardization.</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_DOCS_KERNEL_DEV_URL;'>Yocto Project Linux Kernel Development Manual</ulink>:</emphasis>
This manual describes how to work with Linux Yocto kernels as well as providing a bit
of conceptual information on the construction of the Yocto Linux kernel tree.
</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_DOCS_PROF_URL;'>Yocto Project Profiling and Tracing Manual</ulink>:</emphasis>
This manual presents a set of common and generally useful tracing and
profiling schemes along with their application (as appropriate) to each tool.
</para></listitem>
<listitem><para><emphasis>
<ulink url='http://www.youtube.com/watch?v=3ZlOu-gLsh0'>
Eclipse IDE Yocto Plug-in</ulink>:</emphasis> A step-by-step instructional video that
demonstrates how an application developer uses Yocto Plug-in features within
the Eclipse IDE.</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_WIKI_URL;/wiki/FAQ'>FAQ</ulink>:</emphasis>
A list of commonly asked questions and their answers.</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_HOME_URL;/download/yocto/yocto-project-&DISTRO;-release-notes-poky-&POKYVERSION;'>Release Notes</ulink>:</emphasis> Features, updates and known issues for the current
release of the Yocto Project.</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_HOME_URL;/tools-resources/projects/hob'>
Hob</ulink>:</emphasis> A graphical user interface for BitBake.
Hob's primary goal is to enable a user to perform common tasks more easily.</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_HOME_URL;/download/build-appliance-0'>
Build Appliance</ulink>:</emphasis> A bootable custom embedded Linux image you can
either build using a non-Linux development system (VMware applications) or download
from the Yocto Project website.
See the <ulink url='&YOCTO_HOME_URL;/documentation/build-appliance-manual'>Build Appliance</ulink>
page for more information.</para></listitem>
<listitem><para><emphasis>
<ulink url='&YOCTO_BUGZILLA_URL;'>Bugzilla</ulink>:</emphasis>
The bug tracking application the Yocto Project uses.
If you find problems with the Yocto Project, you should report them using this
application.</para></listitem>
<listitem><para><emphasis>
Yocto Project Mailing Lists:</emphasis> To subscribe to the Yocto Project mailing
lists, click on the following URLs and follow the instructions:
<itemizedlist>
<listitem><para><ulink url='&YOCTO_LISTS_URL;/listinfo/yocto'></ulink> for a
Yocto Project Discussions mailing list.</para></listitem>
<listitem><para><ulink url='&YOCTO_LISTS_URL;/listinfo/poky'></ulink> for a
Yocto Project Discussions mailing list about the Poky build system.</para></listitem>
<listitem><para><ulink url='&YOCTO_LISTS_URL;/listinfo/yocto-announce'></ulink>
for a mailing list to receive official Yocto Project announcements for developments and
as well as Yocto Project milestones.</para></listitem>
<listitem><para><ulink url='&YOCTO_LISTS_URL;/listinfo'></ulink> for a
listing of all public mailing lists on <filename>lists.yoctoproject.org</filename>.
</para></listitem>
</itemizedlist></para></listitem>
<listitem><para><emphasis>Internet Relay Chat (IRC):</emphasis>
Two IRC channels on freenode are available
for Yocto Project and Poky discussions: <filename>#yocto</filename> and
<filename>#poky</filename>, respectively.</para></listitem>
<listitem><para><emphasis>
<ulink url='&OH_HOME_URL;'>OpenedHand</ulink>:</emphasis>
The company that initially developed the Poky project, which is the basis
for the OpenEmbedded build system used by the Yocto Project.
OpenedHand was acquired by Intel Corporation in 2008.</para></listitem>
<listitem><para><emphasis>
<ulink url='http://www.intel.com/'>Intel Corporation</ulink>:</emphasis>
A multinational semiconductor chip manufacturer company whose Software and
Services Group created and supports the Yocto Project.
Intel acquired OpenedHand in 2008.</para></listitem>
<listitem><para><emphasis>
<ulink url='&OE_HOME_URL;'>OpenEmbedded</ulink>:</emphasis>
The build system used by the Yocto Project.
This project is the upstream, generic, embedded distribution from which the Yocto
Project derives its build system (Poky) from and to which it contributes.</para></listitem>
<listitem><para><emphasis>
<ulink url='http://developer.berlios.de/projects/bitbake/'>
BitBake</ulink>:</emphasis> The tool used by the OpenEmbedded build system
to process project metadata.</para></listitem>
<listitem><para><emphasis>
BitBake User Manual:</emphasis>
A comprehensive guide to the BitBake tool.
If you want information on BitBake, see the user manual inculded in the
<filename>bitbake/doc/manual</filename> directory of the
<link linkend='source-directory'>Source Directory</link>.</para></listitem>
<listitem><para><emphasis>
<ulink url='http://wiki.qemu.org/Index.html'>Quick EMUlator (QEMU)</ulink>:
</emphasis> An open-source machine emulator and virtualizer.</para></listitem>
</itemizedlist>
</para>
</section>
</chapter>
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