The seL4 microkernel
Simon Shields d6b1dcf962 allwinnerA20: remove irqNumbers enum 6 days ago
configs Kbuild: Removed autoconf files 5 months ago
include allwinnerA20: remove irqNumbers enum 1 day ago
libsel4 riscv/spike: fix seL4_UserTop for riscv 3 weeks ago
manual manual: remove incorrect paragraph 2 days ago
src arm: hook allwinnerA20 back up to the build system 1 day ago
tools cmake: add kernel platform helpers. 1 month ago
.gitignore git: Remove invocation.h files from .gitignore 8 months ago
.licenseignore riscv: fix licenses 9 months ago
CAVEATS-generic.txt Fix typo: preemptible, not preemptable. 8 months ago
CAVEATS-ia32.txt Release snapshot 4 years ago
CHANGES Update CHANGES with details of Aarch64-hyp 4 weeks ago
CMakeLists.txt CMake: CPPFile EXACT_NAME creates a temp copy 4 months ago CONTRIBUTING: use new docsite url 9 months ago more CONTRIBUTORS 3 years ago
LICENSE_BSD2.txt Fix licenses (the rest) 1 year ago
LICENSE_GPLv2.txt adjust LICENSE file name to header reference. 4 years ago README: fix build instructions link 9 months ago
VERSION Update VERSION file to 10.1.1-dev 2 months ago
config.cmake cmake: make pde_C an optional top-level type. 1 month ago
gcc.cmake CMake: Move APPLE host check into x86 branch 4 months ago
gdb-macros SELFOUR-317: rename async endpoint to notification object, and other 3 years ago

The seL4 Repository

This repository contains the source code of seL4 microkernel.

For details about the seL4 microkernel, including details about its formal correctness proof, please see the website and associated FAQ.

DOIs for citing recent releases of this repository:

  • DOI

We welcome contributions to seL4. Please see the website for information on how to contribute.

This repository is usually not used in isolation, but as part of the build system in a larger project.


A hosted version of the manual for the most recent release can be found here.

Repository Overview

  • include and src: C and ASM source code of seL4
  • tools: build tools
  • libsel4: C bindings for the seL4 ABI
  • manual: LaTeX sources of the seL4 reference manual

Build Instructions

See the seL4 website for build instructions.


The files in this repository are released under standard open source licenses. Please see the individual file headers and LICENSE_GPLv2.txt and LICENSE_BSD2.txt files for details.