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Wingos

WingOS is a small hobbyist 64 bit kernel made with <3 in C++

latest milestone - blog - old branch

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What the project is about

The project is about creating an operating system that is easy to program for, with a simple and clean API.

• It tries to experiment with new ideas and API, ditching old and legacy concepts when possible.
• WingOS is a microkernel based operating system, currently targetting x86_64. It tries to be a capability based OS, with a focus on security and stability.
• The userspace is beginning to be fleshed out, with a VFS+ext4+nvme support.

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Wingos screenshot running DOOM in userspace

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Milestones

• milestone 2 blog post
• milestone 1 blog post

Feature list

For now the kernel is still in development, but it has a few key features:

• is 64 bit
• is SMP capable (multiple CPU support)
• has a basic scheduler with SMP support, priority, and CPU affinity support (and support cpu tree for NUMA systems)
• Nvme (NVMe) disk support (in userspace)
• Ext4 filesystem support (in userspace)
• VFS support (in userspace)

Dependencies

• The project uses the cutekit build system.
• The project uses limine as a bootloader.

Roadmap

• [x] Boot
• [x] x86 basic support (interrupt, paging, ...)
• [x] SMP support (apic, ...)
• [x] Scheduler (with SMP support, priority, and cpu affinity support)
• [x] Loading user space app
• [x] User space (ring 3)
• [x] Syscalls
• [x] Spaces and handles
• [x] Userspace objects
  • [x] Memory management (physical)
  • [x] Memory management (virtual)
  • [x] IPC endpoint
• [x] Services and IPC (inter process communication)
• [x] PCI support (scan, devices, ...) (in userspace)
• [x] Hello File!
  • [x] Nvme disk support
  • [x] Partition support (GPT)
  • [x] Filesystem support (ext4)
  • [x] VFS support
• [x] Blocking IPC
• [x] Graphics support (VESA, framebuffer, ...)
• [x] Input support (keyboard, mouse, ...)
  • [ ] Interrupt handling in userspace
• [x] Port DOOM
• [ ] Signals
• [ ] Create a shell
• [ ] Above and beyond

Building the project

For now I don't have a complete dependency list, but you will need:

• cutekit
• Clang cross compiler for x86_64
• Everything needed to build a cross compiler

Run bash meta/build/make_cross_compiler.sh to build the Wingos specific version of gcc.

Now do ck s to start the build and run.

Do ck p to build ports (now no ports are buildable, do a git clone recursive to get all ports).

Made by human

<a href="https://github.com/Supercip971/by-human"> <picture> <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/Supercip971/by-human/main/transparent-light.svg"> <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/Supercip971/by-human/main/transparent-dark.svg"> <img height="96" align="right" alt="Made by humand, not by gen AI badge" src="https://raw.githubusercontent.com/Supercip971/by-human/main/transparent-light.svg"> </picture> </a>

WingOS is made by Humans, and not by a generative AI.

More information can be linked to the by-human repository.