This Month in Rust OSDev: April 2023

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.

Infrastructure and Tooling

In this section, we collect recent updates to rustc, cargo, and other tooling that are relevant to Rust OS development.

No updates were proposed for this section this month.

Announcements, News, and Blog Posts

Here we collect news, blog posts, etc. related to OS development in Rust.

• Rust Kernel Programming
• Linux Kernel Rust Modules
• Aero OS: A new modern operating system made in Rust, now able to run the Links browser, Alacritty and much more!
• Felix, an x86 hobby OS written in Rust

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

Features

• Introducing a high-level FS abstraction
• uefi: debug: add DebugPort protocol
• uefi: Panic if an error is created from Status::SUCCESS
• uefi-macros: Drop !Send and !Sync from unsafe_protocol macro
• cstr[ing]16: convenience functions
• uefi: Clean up some Status -> Result conversions
• Use the uguid crate to replace the Guid struct and guid! macro
• gop: Derive PartialEq on ModeInfo
• Add RngProtocol to uefi-raw and use it from uefi
• uefi: Add get_variable_boxed

Docs

• uefi: Update Status documentation
• doc: build with --no-deps
• uefi: Minor cleanups in the fs module doc

Other

• ci: shorter job names
• uefi: consistent use of crate:: over uefi::
• Allow passing a constant's path into unsafe_protocol
• uefi-raw: Add mostly-empty package
• ci: Fix book token permission
• Move newtype_enum macro to uefi-raw
• uefi-macros: Fix compiler test for Rust 1.69
• Move Status to uefi-raw, along with related API changes

Thanks to @JohnAZoidberg and @felipebalbi for their contributions!

bootloader

Maintained by @phil-opp

• Fixed bug stemming from treating an exclusive range as an inclusive ranges
• Update uefi dependency to v0.20
• Implemented sorting of uefi memory maps #315

Thanks to @kennystrawnmusic and @JarlEvanson for their contributions!

pic8259

Maintained by @phil-opp

• Added new_contiguous implementation for ChainedPics

Thanks to @rasheedmhd for their contributions!

x86_64

Maintained by @phil-opp, @josephlr, and @Freax13

• Don't use third-party Python libraries in release workflow

acpi

Maintained by @IsaacWoods

• aml_tester: Add positional file arguments, in-order parsing and shared namespace
• AML: Add minimal CondRefOf support
• acpi: Allow Madt and Mcfg fields to be accessed without allocator_api

Thanks to @A0lson, and @rw-vanc for their contributions!

ucs2-rs

Maintained by @GabrielMajeri, @nicholasbishop, and @phip1611

• ci: Bring in various improvements from uefi-rs
• Switch to 2021 edition

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.

phil-opp/blog_os

(Section written by @phil-opp)

We merged the following changes to the Writing an OS in Rust blog this month:

• Update zola to v0.17.2
• Fix link syntax
• fix(translation zh-TW): typo (thanks to @GNITOAHC!)
• The #[alloc_error_handler] attribute was removed
• Update 'Heap Allocation' post to remove alloc_error_handler

I also continued writing on the upcoming third edition of the blog. I finished a draft of the second post, which is about booting using v0.11 of the bootloader crate. You can already read it on GitHub if you like.

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.

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