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RISC-V Instruction Set Manual


This repository contains the source files for the RISC-V Instruction Set Manual, which consists of the Privileged RISC-V Instruction Set Manual (LaTeX) and the Unprivileged RISC-V Instruction Set Manual (AsciiDoc). The preface of each document indicates the version of each standard that has been formally ratified by RISC-V International.

This work is licensed under a Creative Commons Attribution 4.0 International License. See the LICENSE file for details.

The RISC-V Instruction Set Manual is organized into the following volumes:

  • Volume I: User-Level ISA
  • Volume II: Privileged Architecture

Official and Draft Versions

The canonical list of open-source RISC-V implementations' marchid CSR values is available in the file.


If you would like to contribute to this documentation, please refer to the Documentation Developer's Guide.

The recommended method for building the PDF files is to use the Docker Image, as described in the RISC-V Docs Base Container Image repository.

Alternative build methods, such as local builds and GitHub Action builds, are also available and described in the Documentation Developer's Guide.

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