This page gives an overview of upstream projects. If you miss information or find mistakes, please edit.

Android

• RISC-V Android port home page (GitHub)

FreeBSD

• FreeBSD Homepage
• Upstream wiki page

RISC-V Maintainers

FreeBSD has a weaker sense of maintainership than many open-source projects. However, the primary contributors are:

• John Baldwin (SRI International)
• Ruslan Bukin (University of Cambridge)
• Jessica Clarke (University of Cambridge)
• Mitchell Horne
• Kristof Provost

Releases

FreeBSD major releases are approximately every two years, with minor releases every year and interim security patches as needed.

Previous releases:

• FreeBSD 13.0 (2021-04-13) - RISC-V promoted to being a Tier 2 architecture
• FreeBSD 12.2 (2020-10-27)
• FreeBSD 12.1 (2019-11-4)
• FreeBSD 12.0 (2018-12-11) - RISC-V added as a Tier 3 architecture

RISC-V Status

RV64G is supported for several popular hardware, emulated and FPGA-based platforms as a Tier 2 platform. Various feature additions and performance optimisation opportunities exist. See the upstream wiki page linked above for more details.

FreeRTOS

RISC-V Status

RISC-V support has been merged in FreeRTOS. A couple of boards is directly supported.

Linux

RISC-V Maintainers

• Palmer Dabbelt
• Albert Ou
• Paul Walmsley

Releases

The Linux kernel has been merged mainline in the 4.15 merge window in November 2017.

Since then a range of Distributions have RISC-V ports. E.g.:

• Debian
• Fedora
• openSUSE
• Buildroot
• Yocto
• Arch Linux (Install on Unmatched)
• Gentoo Linux
• openEuler
• AOSP for RISC-V 10, AOSP 12 rebasing effort main repos , PLCT wip repos

RISC-V Status

The Linux kernel supports RV64G as well as RV32G.

OpenBSD

Releases

RISC-V Status

Work is in progress adding the port, with the first commit made on 23rd April 2021.