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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. 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 Eclipse IDE.

The following list describes what you can get from this guide: Information that lets you get set up to develop using the Yocto Project. 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. An understanding of common end-to-end development models and tasks. Development case overviews for both system development and user-space applications. An overview and understanding of the emulation environment used with the Yocto Project - the Quick EMUlator (QEMU). An understanding of basic kernel architecture and concepts. Many references to other sources of related information.

This manual will not give you the following: 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 Installing the ADT and Toolchains, which is used to set up a cross-development environment. Reference material. This type of material resides in an appropriate reference manual. For example, system variables are documented in the Yocto Project Reference Manual. 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.

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: The Yocto Project Website: The home page for the Yocto Project provides lots of information on the project as well as links to software and documentation. Yocto Project Quick Start: This short document lets you get started with the Yocto Project quickly and start building an image. Yocto Project Reference Manual: 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. Yocto Project Application Developer's Guide: 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. Yocto Project Board Support Package (BSP) Developer's Guide: This guide defines the structure for BSP components. Having a commonly understood structure encourages standardization. Yocto Project Kernel Architecture and Use Manual: This manual describes the architecture of the Yocto Project kernel and provides some work flow examples. Eclipse IDE Yocto Plug-in: A step-by-step instructional video that demonstrates how an application developer uses Yocto Plug-in features within the Eclipse IDE. FAQ: A list of commonly asked questions and their answers. Release Notes: Features, updates and known issues for the current release of the Yocto Project. Hob: A graphical user interface for BitBake. Hob's primary goal is to enable a user to perform common tasks more easily. Build Appliance: 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 Build Appliance page for more information. Bugzilla: The bug tracking application the Yocto Project uses. If you find problems with the Yocto Project, you should report them using this application. Yocto Project Mailing Lists: To subscribe to the Yocto Project mailing lists, click on the following URLs and follow the instructions: for a Yocto Project Discussions mailing list. for a Yocto Project Discussions mailing list about the Poky build system. for a mailing list to receive official Yocto Project announcements for developments and as well as Yocto Project milestones. Internet Relay Chat (IRC): Two IRC channels on freenode are available for Yocto Project and Poky discussions: #yocto and #poky, respectively. OpenedHand: 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. Intel Corporation: A multinational semiconductor chip manufacturer company whose Software and Services Group created and supports the Yocto Project. Intel acquired OpenedHand in 2008. OpenEmbedded: 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. BitBake: The tool used by the OpenEmbedded build system to process project metadata. BitBake User Manual: A comprehensive guide to the BitBake tool. If you want information on BitBake, see the user manual inculded in the bitbake/doc/manual directory of the Source Directory. Quick EMUlator (QEMU): An open-source machine emulator and virtualizer.