Page History

This page gives an overview of the extension and feature support in the RISC-V SW ecosystem.

Overview

• This page only tracks extensions and features that are specified by groups (TGs, HCs) of RISC-V International.
• The extensions and features are grouped by their specification's state.
• Published (official) specifications can be found here: https://riscv.org/technical/specifications/
• The main repository of the ISA specifications is: https://github.com/riscv/riscv-isa-manual

Certain extensions are generated by individual TGs.

An overview of the current status of unratified extensions can be found here: Architecture Review

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• The On Deck Dashboards lists the specifications that are frozen and ready for ratification

Published specifications (20191213)

• The RISC-V Instruction Set Manual, Volume I: User-Level ISA, Document Version 20191213
• The RISC-V Instruction Set Manual, Volume II: Privileged Architecture, Document
  Version 20190608-Priv-MSU-Ratified

The table below lists the status of the extensions and features of above listed published extensions.

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