https://github.com/coletrammer/iros

Operating System focused on asynchronicity, minimalism, and performance.
https://github.com/coletrammer/iros

c-plus-plus cpp kernel operating-system os osdev posix

Last synced: about 1 month ago
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Operating System focused on asynchronicity, minimalism, and performance.

• Host: GitHub
• URL: https://github.com/coletrammer/iros
• Owner: ColeTrammer
• License: bsd-2-clause
• Created: 2018-06-13T21:03:45.000Z (almost 7 years ago)
• Default Branch: iris
• Last Pushed: 2025-03-06T01:27:43.000Z (about 2 months ago)
• Last Synced: 2025-03-06T02:30:06.528Z (about 2 months ago)
• Topics: c-plus-plus, cpp, kernel, operating-system, os, osdev, posix
• Language: C++
• Homepage: https://coletrammer.github.io/iros
• Size: 22.5 MB
• Stars: 15
• Watchers: 2
• Forks: 3
• Open Issues: 22
• Metadata Files:
  • Readme: README.md
  • License: LICENSE
  • Codeowners: .github/CODEOWNERS

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README

        
# Iros

[![Linux CI](https://github.com/ColeTrammer/iros/actions/workflows/linux.yml/badge.svg)](https://github.com/ColeTrammer/iros/actions/workflows/linux.yml)

[![Iros CI](https://github.com/ColeTrammer/iros/actions/workflows/iros.yml/badge.svg)](https://github.com/ColeTrammer/iros/actions/workflows/iros.yml)

[![Deploy and Generate Documentation](https://github.com/ColeTrammer/iros/actions/workflows/docs.yml/badge.svg)](https://github.com/ColeTrammer/iros/actions/workflows/docs.yml)

[![Lint](https://github.com/ColeTrammer/iros/actions/workflows/lint.yml/badge.svg)](https://github.com/ColeTrammer/iros/actions/workflows/lint.yml)

[![Codecov](https://codecov.io/gh/ColeTrammer/iros/branch/iris/graph/badge.svg?token=XOF3ERG8YK)](https://codecov.io/gh/ColeTrammer/iros)

Operating System focused on asynchronicity, minimalism, and performance.

## Features

- Supprt x86_64 architecture

- Kernel Initramfs

- Kernel Level Tasks

- Userspace Processes and Threads

- Userspace FPU/SIMD (tested on AVX2)

- Preemptive Multitasking

- Preemptible Kernel

- Symmetric Multi-Processing (SMP)

- Serial Console Input/Output

- Extremely Minimal POSIX libc

- Extremely Minimal Shell

- Boot using [Limine](https://github.com/limine-bootloader/limine)

- Targets only [QEMU](https://www.qemu.org/) for now

- Compilation using GCC 12 or Clang 16

## Screenshots

### Serial Console Shell

![Figlet Demo](docs/assets/figlet-demo.png)

This is Iros running the [Figlet](https://github.com/cmatsuoka/figlet) program, which generates ASCII art from text.

## Build Instructions

[See here](https://coletrammer.github.io/iros/md_docs_2build.html).

## Project Documentation

[See here](https://coletrammer.github.io/iros).

## Kernel Overview

[See here](https://coletrammer.github.io/iros/md_docs_2iris_2table__of__contents.html).

## Legacy Code for this repo

[See here](https://github.com/ColeTrammer/iros/tree/legacy).