Blog OS
This repository contains the source code for the Writing an OS in Rust series at os.phil-opp.com.
Where is the code?
The code for each post lives in a separate git branch. This makes it possible to see the intermediate state after each post.
The code for the latest post is available here.
You can find the branch for each post by following the (source code) link in the post list below. The branches are named post-XX where XX is the post number, for example post-03 for the VGA Text Mode post or post-08 for the Hardware Interrupts post. For build instructions, see the Readme of the respective branch.
You can check out a branch in a subdirectory using git worktree:
git worktree add code post-10
The above command creates a subdirectory named code that contains the code for the latest post ("Advanced Paging").
Posts
The goal of this project is to provide step-by-step tutorials in individual blog posts. We currently have the following set of posts:
Bare Bones:
- A Freestanding Rust Binary (source code)
- A Minimal Rust Kernel (source code)
- VGA Text Mode (source code)
Testing:
Interrupts:
Memory Management:
First Edition Posts
The current version of the blog is already the second edition. The first edition is outdated and no longer maintained, but might still be useful. The posts of the first edition are:
Bare Bones:
- A Minimal x86 Kernel (source code)
- Entering Long Mode (source code)
- Set Up Rust (source code)
- Printing to Screen (source code)
Memory Management:
- Allocating Frames (source code)
- Page Tables (source code)
- Remap the Kernel (source code)
- Kernel Heap (source code)
Exceptions:
Additional Resources:
License
The source code is dual-licensed under MIT or the Apache License (Version 2.0). This excludes the blog directory.