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Embedded Linux Development using Yocto Projects

Embedded Linux Development using Yocto Projects

By : Otavio Salvador, Angolini
3.4 (5)
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Embedded Linux Development using Yocto Projects

Embedded Linux Development using Yocto Projects

3.4 (5)
By: Otavio Salvador, Angolini

Overview of this book

Yocto Project is turning out to be the best integration framework for creating reliable embedded Linux projects. It has the edge over other frameworks because of its features such as less development time and improved reliability and robustness. Embedded Linux Development using Yocto Project starts with an in-depth explanation of all Yocto Project tools, to help you perform different Linux-based tasks. The book then moves on to in-depth explanations of Poky and BitBake. It also includes some practical use cases for building a Linux subsystem project using Yocto Project tools available for embedded Linux. The book also covers topics such as SDK, recipetool, and others. By the end of the book, you will have learned how to generate and run an image for real hardware boards and will have gained hands-on experience at building efficient Linux systems using Yocto Project.
Table of Contents (15 chapters)
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7
Diving into BitBake Metadata

Building a target image

Poky provides several predesigned image recipes that we can use to build our own binary image. We can check the list of available images by running the following command from the poky directory:

$ ls meta*/recipes*/images/*.bb

All the recipes provide images which are a set of unpacked and configured packages, generating a filesystem that we can use on a hardware or one of the supported QEMU machines.

Next, we can see the list of most commonly used images:

  • core-image-minimal: This is a small image allowing a device to boot, and it is very useful for kernel and boot loader tests and development.
  • core-image-base: This is a console-only image that fully supports the target device hardware.
  • core-image-weston: This is an image that provides the Wayland protocol libraries and the reference Weston compositor.
  • core-image-x11: This is a very basic X11 image with...

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