Rust OSDev Operating System Development in Rust

This Month in Rust OSDev (July 2021)

Welcome to a new issue of "This Month in Rust OSDev". In these posts, we give a regular overview of notable changes in the Rust operating system development ecosystem.

This series is openly developed on GitHub. Feel free to open pull requests there with content you would like to see in the next issue. If you find some issues on this page, please report them by creating an issue or using our comment form at the bottom of this page.

Project Updates

In this section, we give an overview of notable changes to the projects hosted under the rust-osdev organization.


The uefi crate provides safe and performant wrappers for UEFI, the successor to the BIOS. In July, we merged the following changes:

Thanks to @nicholasbishop, @MaulingMoneky, @phip1611 and @necauqua for their contributions!


The acpi repository contains crates for parsing the ACPI tables – data structures that the firmware of modern computers use to relay information about the hardware to the OS. This month:

These changes were published as acpi v3.1.0 and aml v0.14.0. Thanks to @ethindp and @toku-sa-n for their contributions.


The multiboot2 crate provides abstraction types for the boot information of multiboot2 bootloaders.

In July, our multiboot2 maintenance team gained @phip1611 as a new member. Welcome!

The following changes were merged this month:


The x86_64 crate provides various abstractions for x86_64 systems, including wrappers for CPU instructions, access to processor-specific registers, and abstraction types for architecture-specific structures such as page tables and descriptor tables.

In July, we merged the following improvements:

Thanks to @budde25 and @toku-sa-n for their contributions.

Call for Participation

Want to contribute to a Rust OSDev project, but don't know where to start? Pick up one of these outstanding issues in one of our projects and get started!

No tasks were proposed for this section.

If you maintain a Rust OSDev project and are looking for contributors, especially for tasks suited to people getting started in this space, please create a PR against the next branch with the tasks you want to include in the next issue.

Personal Projects

In this section, we describe updates to personal projects that are not directly related to the rust-osdev organization. Feel free to create a pull request with the updates of your OS project for the next post.


(Section written by @phil-opp)

This month, the Writing an OS in Rust blog received the following updates:

Thanks to @Foo-x, @adi-g15, @Kalbiq, and @MrZloHex for their contributions.

Join Us?

Are you interested in Rust-based operating system development? Our rust-osdev organization is always open to new members and new projects. Just let us know if you want to join! A good way for getting in touch is our Zulip chat.