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Mastering Embedded Linux Programming

You're reading from Mastering Embedded Linux Programming Unleash the full potential of Embedded Linux

Product type Paperback

Published in Jun 2017

Publisher Packt

ISBN-13 9781787283282

Length 478 pages

Edition 2nd Edition

Tools

Linux

Concepts

System Programming

Author (1):

Chris Simmonds

View More author details

Table of Contents (23) Chapters

Title Page

Credits

About the Author

About the Reviewers

www.PacktPub.com

Customer Feedback

Preface

1. Starting Out FREE CHAPTER

2. Learning About Toolchains

3. All About Bootloaders

4. Configuring and Building the Kernel

5. Building a Root Filesystem

6. Selecting a Build System

7. Creating a Storage Strategy

8. Updating Software in the Field

9. Interfacing with Device Drivers

10. Starting Up – The init Program

11. Managing Power

12. Learning About Processes and Threads

13. Managing Memory

14. Debugging with GDB

15. Profiling and Tracing

16. Real-Time Programming

Booting the kernel

Booting Linux is highly device-dependent. In this section, I will show you how it works for the BeagleBone Black and QEMU. For other target boards, you must consult the information from the vendor or from the community project, if there is one.

At this point, you should have the zImage file and the dtbs targets for the BeagleBone Black or QEMU.

Booting the BeagleBone Black

To begin, you need a microSD card with U-Boot installed, as described in the section Installing U-Boot. Plug the microSD card into your card reader and from the linux-stable directory the files arch/arm/boot/zImage and arch/arm/boot/dts/am335x-boneblack.dtb to the boot partition. Unmount the card and plug it into the BeagleBone Black. Start a terminal emulator, such as gtkterm, and be prepared to press the space bar as soon as you see the U-Boot messages appear. Next, power on the BeagleBone Black and press the space bar. You should get a U-Boot prompt, . Now enter the following commands to load Linux and...

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Authors (1)

Chris Simmonds

Chris Simmonds

Chris Simmonds is a software consultant and trainer living in southern England. He has almost two decades of experience in designing and building open-source embedded systems. He is the founder and chief consultant at 2net Ltd, which provides professional training and mentoring services in embedded Linux, Linux device drivers, and Android platform development. He has trained engineers at many of the biggest companies in the embedded world, including ARM, Qualcomm, Intel, Ericsson, and General Dynamics. He is a frequent presenter at open source and embedded conferences, including the Embedded Linux Conference and Embedded World.

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