Writing your own OS – nobody does that.
That’s why it is interesting 🙂
Reference post for later.
OS general intro – pretty good.
Tutorial – Step by step
From the guy who did the 1h tutorial.
Full list : http://wyoos.org/Videos/index.php
A pretty interesting book on lecture from Birmingham university on the topic here.
Then Mike Saunders reference here: How to write a simple operating system
Erik Helin, Adam Renberg’s book :
Baking Pi – a course from Cambridge on Rasperry pi’s OS – doesn’s seem up to date but could be still relevant
Beginner Mistakes when writing your own OS :
The stackoverflow refernce : https://stackoverflow.com/questions/1224617/how-can-i-build-a-small-operating-system-on-an-old-desktop-computer