Book Image

Learning Embedded Linux Using the Yocto Project

By : Alexandru Vaduva, Vaduva Jan Alexandru
Book Image

Learning Embedded Linux Using the Yocto Project

By: Alexandru Vaduva, Vaduva Jan Alexandru

Overview of this book

Table of Contents (20 chapters)
Learning Embedded Linux Using the Yocto Project
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
8
Hob, Toaster, and Autobuilder
9
Wic and Other Tools
Index

The U-Boot bootloader


There are many open source bootloaders available today. Almost all of them have features to load and execute a program, which usually involves the operating system, and its features are used for serial interface communication. However, not all of them have the possibility to communicate over Ethernet or update themselves. Another important factor is represented by the widespread use of the bootloader. It is very common for organizations and companies to choose only one bootloader for the diversity of boards, processors, and architectures that they support. A similar thing happened with the Yocto Project when a bootloader was chosen to represent the official supported bootloader. They, and other similar companies, chose U-Boot bootloader, which is quite well known in the Linux community.

The U-Boot bootloader, or Das U-Boot as its official name, is developed and maintained by Wolfgang Denx with the support of the community behind it. It is licensed under GPLv2, its source...