Understanding RISC-V and Its Significance for Canonical

RISC-V has been gaining traction rapidly, and by 2026, we expect a surge in Linux-supporting chips and boards for developers. RISC-V is an open standard instruction set architecture (ISA) that allows anyone to create a CPU, offering flexibility and innovation through extensions and varied business models. Unlike proprietary ISAs, RISC-V is not a CPU implementation but a specification, similar to USB or Ethernet.

The open nature of RISC-V fosters new business models, enabling implementations to be open source, closed source, or licensed. Major companies like Qualcomm and NVIDIA are already integrating RISC-V cores, and Google's OpenTitan project highlights its potential as a security root of trust, with RISC-V CPUs being used in Chromebooks and data centers.

RISC-V's extensibility is a key advantage, allowing users to tailor the ISA for specific needs, such as AI/ML data types, security instructions, or custom accelerators. This flexibility supports innovation but also presents challenges for the software ecosystem. However, RISC-V manages these through instruction subsets and profiles like RVA23, ensuring compatibility across hardware.

The software ecosystem for RISC-V is mature, with broad adoption in the open source community. Key components like the Linux kernel and toolchains such as GCC and LLVM provide robust support. Canonical has supported RISC-V since 2021, ensuring compatibility with its Long Term Support (LTS) versions of Ubuntu.

Canonical is committed to supporting RISC-V, aligning with community and customer needs. Ubuntu will continue to support RISC-V with long-term updates and specific support for partner products. Canonical also offers resources for vendors to build Ubuntu images, further facilitating RISC-V adoption.

RISC-V is transforming the semiconductor industry, enabling custom silicon applications. Canonical is dedicated to treating RISC-V as a first-class architecture, supporting it on par with other architectures. Whether for IoT, edge devices, or servers, Canonical provides comprehensive support for RISC-V projects.