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Embedded Linux Development Using Yocto Project Cookbook

You're reading from Embedded Linux Development Using Yocto Project Cookbook Practical recipes to help you leverage the power of Yocto to build exciting Linux-based systems

Product type Paperback

Published in Jan 2018

Publisher

ISBN-13 9781788399210

Length 456 pages

Edition 2nd Edition

Languages

C

Tools

Linux

Concepts

Embedded Systems

Author (1):

Alex González

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Table of Contents (7) Chapters

Preface

1. The Build System FREE CHAPTER

2. The BSP Layer

3. The Software Layer

4. Application Development

5. Debugging, Tracing, and Profiling

6. Other Books You May Enjoy

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Building the Linux kernel

As was the case with U-Boot, Linux kernel development is quicker and less error-prone when using the Yocto SDK to build it. However, for smaller changes, the Yocto build system can also be used.

In this recipe, we will show you how to build and modify the Linux kernel source both with Yocto's SDK and the Yocto build system, and boot our target device with it.

How to do it...

We will use the Yocto Project's SDK already installed in your host:

Prepare the environment as follows:

$ source /opt/poky/2.4/environment-setup-cortexa9hf-neon-poky-linux-gnueabi

Configure the kernel with the default machine configuration:

$ cd /opt/yocto/linux-wandboard
$ cp /opt/yocto/fsl-community-bsp/sources...

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Authors (1)

Alex González

Alex González

Alex González is a software engineering supervisor at Digi International and product owner of the Digi Embedded Yocto distribution. He started working professionally with embedded systems in 1999 and the Linux kernel in 2004, designing products for voice and video over IP networks, and followed his interests into machine-to-machine (M2M) technologies and the Internet of Things. Born and raised in Bilbao, Spain, Alex has an electronic engineering degree from the University of the Basque Country and he received his MSc in communication systems from the University of Portsmouth.

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