September 2016
Intermediate to advanced
989 pages
24h 10m
English
Content preview from Embedded Linux for DevelopersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Adding a custom kernel and bootloader
Development in U-Boot and the Linux kernel is usually done externally to Yocto, as they are easy to build using a toolchain, like the one provided by Yocto.
The development work is then integrated into Yocto in one of two ways:
- With patches added to the kernel and U-Boot
bbappendfiles. This method will build the same source as the reference design board we are using as base, and apply our changes over it. - Using a different Git repository, forked from the Linux kernel and U-Boot Git repositories being used by the reference design, and using a
bbappendfile to point the recipe to it. This way, we can directly commit the changes to the repository and the Yocto build system will build them.
Usually a forked Git repository ...
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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.