The CORE-V CVA6 core is part of a large open-source ecosystem. In this page, we collect pointers to this ecosystem, so that CVA6 users can find their way.
Please help improve this page, by filing an issue or a pull request. For pull requests, you need to sign the Eclipse Contributor Agreement.
Note
We only collect here pointers to resources that are mature enough to be used by external users. Resources that reach the TRL-5 maturity (ready to integrate into productions ICs) are clearly mentioned. Otherwise, you can assume a TRL-4 maturity.
Warning
The CVA6 team is not liable for the other repositories. Assess their content and make sure they fit your needs and are mature enough for design. Plese direct your issues or pull requests to these external repositories.
CVA6 was designed by the PULP Platform team. You can integrate it with many other PULP designs from github.com/pulp-platform.
RISC-V tools for CVA6 and Buildroot Linux support are available here.
Yocto Linux support for CVA6 is available here.
FreeRTOS support for CVA6 is available here.
Zephyr support for CV64A6 will soon be available.
This tutorial offers resources to debug CVA6 under Eclipse IDE.
The OS ports below are on Digilent Genesys 2 board.
These building blocks fit very nicely with CVA6:
- OpenPiton is a many-core framework that supports CVA6.
- Culsans/CV-TCCC is a multi-core infrastructure for a few CVA6 cores.
- ARA/CV-VEC is a vector unit for CVA6.
- HPDcache is a flexible (highly configurable) and high-throughput L1 cache.
The CVA6 repository contains the CVA6 core and a basic CPU design, the "APU" and its implementation on a Digilent Genesys 2 FPGA board. Here is a list of other CVA6-based FPGA designs:
The technical kits of a student contest organized in France can be used as educational resources or as an easy way to get CVA6 up and running with a cheaper Digilent Zybo Z7-20 board. You will find in it:
- The 2020-2021 contest, focusing on PPA optimization;
- The 2021-2022 contest, focusing on energy optimization;
- The 2022-2023 contest, focusing on cybersecurity, including a port of Zephyr OS;
- The 2023-2024 contest, focusing on the acceleration of the MNIST digit recognition with custom extensions;
- The 2024-2025 contest, focusing on the frequency increase (not released yet);
- A treat with the support of Linux and a VGA output.
CVA6 with Xilinx Ethernet is an alternative design which implements Xilinx 1G/2.5G Ethernet Subsystem on the Digilent Genesys 2 FPGA board. It has been tested with TFTP boot in u-boot and SSH in Linux.
Here are open-source ASIC designs based on CVA6:
Polara APU is a 4-core processor made with OpenPiton, ARA and CVA6.
To be completed
These companies are OpenHW members, have a good CVA6 knowledge, and offer CVA6-related service:
Zero-Day Labs provides design and development services primarily related to embedded software/firmware security and hardware (RTL) for RISC-V. With major contributions in the scope of RISC-V virtualization, the company has developed and maintains the RISC-V Hypervisor extension in CVA6 and has recently made open-source the RISC-V AIA and IOMMU IPs. Contact: [email protected].
RISC-V made easy - experienced ASIC/FPGA service providers, PlanV will help you navigate the IP landscape, optimize your design workflows, and bring your RISC-V chip to life.
MU-Electronics is a services company having its design center in Rabat-Morocco since 2003, specialized in ICs design from datasheet to GDSII generation (RTL design, DFT, verification, full custom layout, place and route), firmware, driver & application development, test & validation, security implementation & support to certification. MU-E has designed IPs and Chips down to 7nm. MU-E is participating in the European TRISTAN project and working for Thales on the verification of CVA6.
10xEngineers is a design and verification services company focused on RISC-V. We contribute to compiler enablement, RTL design, and verification efforts within the OpenHW ecosystem. Our work on CVA6 includes architectural and microarchitectural verification of MMU and implementation of multiple RISC-V extensions, such as Bitmanip, Zicond, Zcb, and Zcmp. Our expert team assists companies in integrating, customizing, and optimizing CVA6 to meet their unique requirements.
(To be completed based on companies's requests. Max 1 URL and 60 words per company)
If you have integrated CVA6 into a production IC, we'd like to hear from you and mention it here.