This Month in Rust OSDev: May 2025
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.
Announcements, News, and Blog Posts
Here we collect news, blog posts, etc. related to OS development in Rust.
- Miralis, a RISC-V virtual firmware monitor
- This Month in Redox
- Redox is looking for a developer in the EU - see the job description in our monthly report!
- The Linux 6.15 kernel arrives - and it's big a victory for Rust fans
- Rust Coreutils 0.1 Released With Big Performance Gains - Can Match Or Exceed GNU Speed
- Edit is now open source
- ChromeOS Virtual Machine Monitor is written in Rust with over 300k LoC
- First look at Blinksy - A Rust no-std no-alloc LED control library for spatial layouts
- biski64: A Fast, no_std PRNG in Rust (~0.37ns per u64)
- RusTOS - Small RTOS in Rust
- A second iteration of my DOS-like hobby OS in Rust
Infrastructure and Tooling
In this section, we collect recent updates to rustc, cargo, and other tooling that are relevant to Rust OS development.
rust-osdev Projects
In this section, we give an overview of notable changes to the projects hosted under the rust-osdev organization.
uefi-rs
Maintained by @GabrielMajeri, @nicholasbishop, and @phip1611
uefi makes it easy to develop Rust software that leverages safe, convenient,
and performant abstractions for UEFI functionality.
We merged the following PRs this month:
- release: uefi-raw-0.11.0, uefi-macros-0.18.1, uefi-0.35.0
- xtask: Add --ovmf-shell arg
- xtask: simplify env variables
- uefi: use Duration for boot::stall
- xtask: Improve error message for enums in uefi-raw
- ConfigTableEntry move constants and add example
- uefi:
system::with_*now take mutably closure - uefi-test-runner: streamline memory related tests
- rust: edition 2024
- Unpin uguid
- uefi: SNP transmit: document parameters
- doc: improved documentation for boot allocation functions
- uefi-raw: Add binding for EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
- doc: streamline device path documentation between uefi-raw and uefi
- clippy: fix upcoming nightly lints
- cleanup IPConfig2/Http Protocol
- uefi: deprecated since 0.36.0
- doc: help with feature selection
- uefi: Add safe EFI_USB_IO_PROTOCOL bindings
- uefi: Add (partial) safe protocol implementation for PCI_ROOT_BRIDGE_IO_PROTOCOL
Thanks to @seijikun, @fox0, and @JarlEvanson for their contributions!
x86_64
Maintained by @phil-opp, @josephlr, and @Freax13
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.
We merged the following PRs this month:
- feat(sev): add AMD SEV support
- implement functions for accessing CR8
- Add page attribute table support
Thanks to @zyuiop for their contribution!
Other Projects
In this section, we describe updates to Rust OS 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.
No projects updates were submitted this month.
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.