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Mastering Embedded Linux Programming - Third Edition
book

Mastering Embedded Linux Programming - Third Edition

by Frank Vasquez, Chris Simmonds
May 2021
Intermediate to advanced content levelIntermediate to advanced
758 pages
16h 17m
English
Packt Publishing
Content preview from Mastering Embedded Linux Programming - Third Edition

Chapter 3: All about Bootloaders

The bootloader is the second element of embedded Linux. It is the part that starts the system and loads the operating system kernel. In this chapter, we will look at the role of the bootloader and, in particular, how it passes control from itself to the kernel using a data structure called a device tree, also known as a flattened device tree or FDT. I will cover the basics of device trees, as this will help you follow the connections described in a device tree and relate it to real hardware.

I will look at the popular open source bootloader known as U-Boot and show you how to use it to boot a target device, as well as how to customize it so that it can run on a new device by using the BeagleBone Black as an example. ...

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Publisher Resources

ISBN: 9781789530384Supplemental Content