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https://github.com/RWTH-OS/eduOS-rs
A teaching operating system written in Rust
https://github.com/RWTH-OS/eduOS-rs
eduos-rs kernel operating-system rust
Last synced: about 2 months ago
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A teaching operating system written in Rust
- Host: GitHub
- URL: https://github.com/RWTH-OS/eduOS-rs
- Owner: RWTH-OS
- License: apache-2.0
- Created: 2017-01-07T23:43:40.000Z (almost 8 years ago)
- Default Branch: main
- Last Pushed: 2024-11-02T20:52:21.000Z (about 2 months ago)
- Last Synced: 2024-11-02T21:25:41.011Z (about 2 months ago)
- Topics: eduos-rs, kernel, operating-system, rust
- Language: Rust
- Homepage: https://rwth-os.github.io/eduOS-rs/
- Size: 12.8 MB
- Stars: 433
- Watchers: 16
- Forks: 27
- Open Issues: 4
-
Metadata Files:
- Readme: README.md
- License: LICENSE-APACHE
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README
# eduOS-rs - A teaching operating system written in Rust
## Introduction
eduOS-rs is a Unix-like operating system based on a monolithic architecture for educational purposes.
It is developed for the course [Operating Systems][acsos] at RWTH Aachen University and includes a modified hypervisor that simplifies the boot process to increase the intelligibility of the OS.
eduOS-rs is derived from following tutorials and software distributions:
1. Philipp Oppermann's [excellent series of blog posts][opp].
2. Erik Kidd's [toyos-rs][kidd], which is an extension of Philipp Opermann's kernel.
3. The original version of [eduOS][stlankes], which was the old teaching kernel written in C.
[opp]: http://blog.phil-opp.com/
[kidd]: http://www.randomhacks.net/bare-metal-rust/
[stlankes]: http://rwth-os.github.io/eduOS/
[rust-barebones-kernel]: https://github.com/thepowersgang/rust-barebones-kernel
[acsos]: http://www.os.rwth-aachen.de/
## Requirements to build eduOS-rs
eduOS-rs is tested under Linux, macOS, and Windows.
### macOS
Apple's *Command Line Tools* must be installed.
The Command Line Tool package gives macOS terminal users many commonly used tools and compilers, that are usually found in default Linux installations.
Following terminal command installs these tools without Apple's IDE Xcode:
```sh
$ xcode-select --install
```
In addition, *Qemu* must be installed.
Please use [Homebrew](https://brew.sh) as package manager to install Qemu.
```sh
$ brew install qemu
```
### Windows
To build eduOS-rs you have to install _Qemu_ and a git client.
Please use [Chocolatey](https://chocolatey.org) as package manager to install Qemu and git.
```sh
$ choco install qemu git
```
### Linux
Linux users should install common developer tools.
For instance, on Ubuntu 22.04 the following command installs the required tools:
```sh
$ apt-get install -y git nasm qemu-system-x86 build-essential
```
### Common for macOS, Windows and Linux
This project uses Rustup to set its Rust toolchain.
Follow the instructions to [install Rust using Rustup](https://www.rust-lang.org/tools/install).
In addition, the [rust-osdev/bootimage](https://github.com/rust-osdev/bootimage) tool is required, which creates a bootable diskimage.
Please install the tool with following command.
```sh
$ cargo install bootimage
```
## Building
eduOS-rs is able to run within [Qemu](https://www.qemu.org), which is a generic and open source machine emulator and virtualizer.
After cloning the repository, you can run the kernel with following command:
```sh
$ cargo run
```
## Overview of all branches
Step by step (here branch by branch) the operating system design will be introduced.
This tutorial shows the steps to develop from a minimal kernel to a Unix-like computer operating system.
Currently, following stages of development are available:
0. stage0 - Smallest HelloWorld of the World
Description of loading a minimal 64bit kernel
1. stage1 - Cooperative/non-preemptive multitasking
Introduction into a simple form of multitasking, where no interrupts are required.
2. stage2 - Priority-based cooperative/non-preemptive multitasking
Introduction into a simple form of priority-based multitasking, where no interrupts are required.
3. stage3 - Synchronization primitives
Introduce basic synchronization primitives
4. stage 4 - Preemptive multitasking
Introduction into preemptive multitasking and interrupt handling
5. stage 5 - Support of user-level tasks
Add support of user-level tasks with an small interface for basic system calls
6. stage 6 - Support of paging
Add support of paging and a simple demo for process creation
7. stage 7 - Integration of an in-memory file system
Introduce a virtual file system with an in-memory file system as example file system.
8. stage8 - Run Linux application as common process
Start a simple Linux application (_HelloWorld_) on top of eduOS-rs. The application is a _position-independent executable_ (PIE) and use [musl-libc](http://www.musl-libc.org) as standard C library.
## Useful Links
1. [http://www.gnu.org/software/grub/manual/multiboot/](http://www.gnu.org/software/grub/manual/multiboot/)
2. [http://www.osdever.net/tutorials/view/brans-kernel-development-tutorial](http://www.osdever.net/tutorials/view/brans-kernel-development-tutorial)
3. [http://www.jamesmolloy.co.uk/tutorial_html/index.html](http://www.jamesmolloy.co.uk/tutorial_html/index.html)
4. [http://techblog.lankes.org/tutorials/](http://techblog.lankes.org/tutorials/)
5. [http://www.os.rwth-aachen.de](http://www.os.rwth-aachen.de)
6. [http://www.noteblok.net/2014/06/14/bachelor](http://www.noteblok.net/2014/06/14/bachelor)
7. [https://sourceware.org/newlib/](https://sourceware.org/newlib/)
8. [http://rwth-os.github.io/eduOS/](http://rwth-os.github.io/eduOS/)
9. [https://intermezzos.github.io](https://intermezzos.github.io)
## License
Licensed under either of
* Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
* MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
at your option.