May 2025
Intermediate to advanced
710 pages
16h 33m
English
Content preview from Mastering Embedded Linux Development - Fourth Edition
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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 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 so that you will be able to follow the connections described in a device tree and relate them to real hardware. I will focus on a popular open source bootloader known as U-Boot and show you how to use it to boot a target device. I will also show you how to customize U-Boot to run on a new device using BeaglePlay as an example.
In this chapter, we will ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.