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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">
-
-<chapter id='intro'>
-<title>Introduction</title>
-
-<section id='intro-what-is'>
- <title>What is Poky?</title>
-
- <para>
-
- Poky is an open source platform build tool. It is a complete
- software development environment for the creation of Linux
- devices. It aids the design, development, building, debugging,
- simulation and testing of complete modern software stacks
- using Linux, the X Window System and GNOME Mobile
- based application frameworks. It is based on <ulink
- url='http://openembedded.org/'>OpenEmbedded</ulink> but has
- been customised with a particular focus.
-
- </para>
-
- <para> Poky was setup to:</para>
-
- <itemizedlist>
- <listitem>
- <para>Provide an open source Linux, X11, Matchbox, GTK+, Pimlico, Clutter, and other <ulink url='http://gnome.org/mobile'>GNOME Mobile</ulink> technologies based full platform build and development tool.</para>
- </listitem>
- <listitem>
- <para>Create a focused, stable, subset of OpenEmbedded that can be easily and reliably built and developed upon.</para>
- </listitem>
- <listitem>
- <para>Fully support a wide range of x86, ARM, MIPS, PowerPC hardware and device virtulisation</para>
- </listitem>
- </itemizedlist>
-
- <para>
- Poky is primarily a platform builder which generates filesystem images
- based on open source software such as the Kdrive X server, the Matchbox
- window manager, the GTK+ toolkit and the D-Bus message bus system. Images
- for many kinds of devices can be generated, however the standard example
- machines target QEMU full system emulation(x86, ARM, MIPS and PowerPC) and the ARM based
- Sharp Zaurus series of devices. Poky's ability to boot inside a QEMU
- emulator makes it particularly suitable as a test platform for development
- of embedded software.
- </para>
-
- <para>
- An important component integrated within Poky is Sato, a GNOME Mobile
- based user interface environment.
- It is designed to work well with screens at very high DPI and restricted
- size, such as those often found on smartphones and PDAs. It is coded with
- focus on efficiency and speed so that it works smoothly on hand-held and
- other embedded hardware. It will sit neatly on top of any device
- using the GNOME Mobile stack, providing a well defined user experience.
- </para>
-
- <screenshot>
- <mediaobject>
- <imageobject>
- <imagedata fileref="screenshots/ss-sato.png" format="PNG" align='center' scalefit='1' width="100%" contentdepth="100%"/>
- </imageobject>
- <caption>
- <para>The Sato Desktop - A screenshot from a machine running a Poky built image</para>
- </caption>
- </mediaobject>
- </screenshot>
-
-
- <para>
-
- Poky has a growing open source community and is also backed up by commercial organisations including <ulink url="http://www.intel.com/">Intel Corporation</ulink>.
-
- </para>
-</section>
-
-<section id='intro-manualoverview'>
- <title>Documentation Overview</title>
-
- <para>
- The handbook is split into sections covering different aspects of Poky.
- The <link linkend='usingpoky'>'Using Poky' section</link> gives an overview
- of the components that make up Poky followed by information about using and
- debugging the Poky build system. The <link linkend='extendpoky'>'Extending Poky' section</link>
- gives information about how to extend and customise Poky along with advice
- on how to manage these changes.
- The <link linkend='bsp'>'Board Support Packages (BSP) - Developers Guide' section</link>
- gives information about how to develop BSP such as the common layout, the
- software hardware configuration options etc.
- The <link linkend='platdev'>'Platform Development with Poky'
- section</link> gives information about interaction between Poky and target
- hardware for common platform development tasks such as software development,
- debugging and profiling. The rest of the manual
- consists of several reference sections each giving details on a specific
- section of Poky functionality.
- </para>
-
- <para>
- This manual applies to Poky Release 3.3 (Green).
- </para>
-
-</section>
-
-
-<section id='intro-requirements'>
- <title>System Requirements</title>
-
- <para>
- We recommend Debian-based distributions, in particular a recent Ubuntu
- release (10.04 or newer), as the host system for Poky. Nothing in Poky is
- distribution specific and
- other distributions will most likely work as long as the appropriate
- prerequisites are installed - we know of Poky being used successfully on Redhat,
- SUSE, Gentoo and Slackware host systems.
- </para>
-
- <para>On a Debian-based system, you need the following packages installed:</para>
-
- <itemizedlist>
- <listitem>
- <para>build-essential</para>
- </listitem>
- <listitem>
- <para>python (version 2.6 or later)</para>
- </listitem>
- <listitem>
- <para>diffstat</para>
- </listitem>
- <listitem>
- <para>texinfo</para>
- </listitem>
- <listitem>
- <para>texi2html</para>
- </listitem>
- <listitem>
- <para>cvs</para>
- </listitem>
- <listitem>
- <para>subversion</para>
- </listitem>
- <listitem>
- <para>wget</para>
- </listitem>
- <listitem>
- <para>gawk</para>
- </listitem>
- <listitem>
- <para>help2man</para>
- </listitem>
- <listitem>
- <para>chrpath</para>
- </listitem>
- <listitem>
- <para>mercurial</para>
- </listitem>
- </itemizedlist>
- <para>Furthermore if you wish to run an emulated Poky image using <ulink url='http://qemu.org'>QEMU</ulink> (as in the quickstart below) you will need the following packages installed:</para>
- <itemizedlist>
- <listitem>
- <para>libgl1-mesa-dev</para>
- </listitem>
- <listitem>
- <para>libglu1-mesa-dev</para>
- </listitem>
- <listitem>
- <para>libsdl1.2-dev</para>
- </listitem>
- <listitem>
- <para>bochsbios (only to run qemux86 images)</para>
- </listitem>
- </itemizedlist>
-
- <para>
- Debian users can add debian.o-hand.com to their APT sources (See
- <ulink url='http://debian.o-hand.com'/>
- for instructions on doing this) and then run <command>
- "apt-get install qemu poky-depends poky-scripts"</command> which will
- automatically install all these dependencies. Virtualisation images with
- Poky and all dependencies can also easily be built if required.
- </para>
-
- <para>
- Poky can use a system provided QEMU or build its own depending on how it's
- configured. See the options in <filename>local.conf</filename> for more details.
- </para>
-</section>
-
-<section id='intro-quickstart'>
- <title>Quick Start</title>
-
- <section id='intro-quickstart-build'>
- <title>Building and Running an Image</title>
-
- <para>
- If you want to try Poky, you can do so in a few commands. The example below
- checks out the Poky source code, sets up a build environment, builds an
- image and then runs that image under the QEMU emulator in x86 system emulation mode:
- </para>
-
- <para>
- <literallayout class='monospaced'>
-$ wget http://pokylinux.org/releases/poky-green-3.3.tar.bz2
-$ tar xjvf poky-green-3.3.tar.bz2
-$ cd green-3.3/
-$ source poky-init-build-env
-$ bitbake poky-image-sato
-$ bitbake qemu-native
-$ runqemu qemux86
-</literallayout>
- </para>
-
- <note>
- <para>
- This process will need Internet access, about 20 GB of disk space
- available, and you should expect the build to take about 4 - 5 hours since
- it is building an entire Linux system from source including the toolchain!
- </para>
- </note>
-
- <para>
- To build for other machines see the <glossterm><link
- linkend='var-MACHINE'>MACHINE</link></glossterm> variable in build/conf/local.conf.
- This file contains other useful configuration information and the default version
- has examples of common setup needs and is worth
- reading. To take advantage of multiple processor cores to speed up builds for example, set the
- <glossterm><link linkend='var-BB_NUMBER_THREADS'>BB_NUMBER_THREADS</link></glossterm>
- and <glossterm><link linkend='var-PARALLEL_MAKE'>PARALLEL_MAKE</link></glossterm> variables.
-
- The images/kernels built by Poky are placed in the <filename class="directory">tmp/deploy/images</filename>
- directory.
- </para>
-
- <para>
- You could also run <command>"poky-qemu zImage-qemuarm.bin poky-image-sato-qemuarm.ext2"
- </command> within the images directory if you have the poky-scripts Debian package
- installed from debian.o-hand.com. This allows the QEMU images to be used standalone
- outside the Poky build environment.
- </para>
- <para>
- To setup networking within QEMU see the <link linkend='usingpoky-install-qemu-networking'>
- QEMU/USB networking with IP masquerading</link> section.
- </para>
-
- </section>
- <section id='intro-quickstart-qemu'>
- <title>Downloading and Using Prebuilt Images</title>
-
- <para>
- Prebuilt images from Poky are also available if you just want to run the system
- under QEMU. To use these you need to:
- </para>
-
- <itemizedlist>
- <listitem>
- <para>
- Add debian.o-hand.com to your APT sources (See
- <ulink url='http://debian.o-hand.com'/> for instructions on doing this)
- </para>
- </listitem>
- <listitem>
- <para>Install patched QEMU and poky-scripts:</para>
- <para>
- <literallayout class='monospaced'>
-$ apt-get install qemu poky-scripts
-</literallayout>
- </para>
- </listitem>
-
- <listitem>
- <para>
- Download a Poky QEMU release kernel (*zImage*qemu*.bin) and compressed
- filesystem image (poky-image-*-qemu*.ext2.bz2) which
- you'll need to decompress with 'bzip2 -d'. These are available from the
- <ulink url='http://pokylinux.org/releases/green-3.3/'>last release</ulink>
- or from the <ulink url='http://autobuilder.pokylinux.org/'>autobuilder</ulink>.
- </para>
- </listitem>
- <listitem>
- <para>Start the image:</para>
- <para>
- <literallayout class='monospaced'>
-$ poky-qemu &lt;kernel&gt; &lt;image&gt;
-</literallayout>
- </para>
- </listitem>
- </itemizedlist>
-
- <note><para>
- A patched version of QEMU is required at present. A suitable version is available from
- <ulink url='http://debian.o-hand.com'/>, it can be built
- by poky (bitbake qemu-native) or can be downloaded/built as part of the toolchain/SDK tarballs.
- </para></note>
-
- </section>
-</section>
-
-<section id='intro-getit'>
- <title>Obtaining Poky</title>
-
- <section id='intro-getit-releases'>
- <title>Releases</title>
-
- <para>Periodically, we make releases of Poky and these are available
- at <ulink url='http://pokylinux.org/releases/'/>.
- These are more stable and tested than the nightly development images.</para>
- </section>
-
- <section id='intro-getit-nightly'>
- <title>Nightly Builds</title>
-
- <para>
- We make nightly builds of Poky for testing purposes and to make the
- latest developments available. The output from these builds is available
- at <ulink url='http://autobuilder.pokylinux.org/'/>
- where the numbers increase for each subsequent build and can be used to reference it.
- </para>
-
- <para>
- Automated builds are available for "standard" Poky and for Poky SDKs and toolchains as well
- as any testing versions we might have such as poky-bleeding. The toolchains can
- be used either as external standalone toolchains or can be combined with Poky as a
- prebuilt toolchain to reduce build time. Using the external toolchains is simply a
- case of untarring the tarball into the root of your system (it only creates files in
- <filename class="directory">/opt/poky</filename>) and then enabling the option
- in <filename>local.conf</filename>.
- </para>
-
- </section>
-
- <section id='intro-getit-dev'>
- <title>Development Checkouts</title>
-
- <para>
- Poky is available from our GIT repository located at
- git://git.pokylinux.org/poky.git; a web interface to the repository
- can be accessed at <ulink url='http://git.pokylinux.org/'/>.
- </para>
-
- <para>
- The 'master' is where the deveopment work takes place and you should use this if you're
- after to work with the latest cutting edge developments. It is possible trunk
- can suffer temporary periods of instability while new features are developed and
- if this is undesireable we recommend using one of the release branches.
- </para>
- </section>
-
-</section>
-
-</chapter>
-<!--
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