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    62 repositories

    • riscv-smmtt

      Public
      This specification will define the RISC-V privilege ISA extensions required to support Supervisor Domain isolation for multi-tenant security use cases e.g. confidential-computing, trusted platform services, fault isolation and so on.
      access-controltrusted-computingtrusted-execution-environmentconfidential-computingsmmttsupervisor-domainsap-tee
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •18•52•1•1•Updated Jul 7, 2025Jul 7, 2025

    • riscv-fast-interrupt

      Public
      Proposal for a RISC-V Core-Local Interrupt Controller (CLIC)
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •49•268•4•2•Updated Jul 7, 2025Jul 7, 2025

    • riscv-cheri

      Public
      This repository contains the CHERI extension specification, adding hardware capabilities to RISC-V ISA to enable fine-grained memory protection and scalable compartmentalization.
      memory-safetycapabilitiescompartmentalization
      TeX
      •
      Creative Commons Attribution 4.0 International
      •36•72•54•3•Updated Jul 7, 2025Jul 7, 2025

    • sail-riscv

      Public
      Sail RISC-V model
      Sail
      •
      Other
      •216•571•118•77•Updated Jul 7, 2025Jul 7, 2025

    • riscv-opcodes

      Public
      RISC-V Opcodes
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •333•775•31•30•Updated Jul 7, 2025Jul 7, 2025

    • riscv-isa-manual

      Public
      RISC-V Instruction Set Manual
      TeX
      •
      Creative Commons Attribution 4.0 International
      •721•4.1k•225•21•Updated Jul 7, 2025Jul 7, 2025

    • riscv-docs-base-container-image

      Public
      A base container image populated with the dependencies to build the RISC-V Documentation.
      Apache License 2.0
      •9•15•0•3•Updated Jul 7, 2025Jul 7, 2025

    • riscv-high-assurance-cryptography

      Public
      High Assurance Cryptography
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •1•1•0•0•Updated Jul 4, 2025Jul 4, 2025

    • meta-riscv

      Public
      OpenEmbedded/Yocto layer for RISC-V Architecture
      riscvyocto-layeryoctoopenembeddedyocto-metaopenembedded-layerrisc-v
      BitBake
      •
      Other
      •153•394•21•4•Updated Jul 4, 2025Jul 4, 2025

    • riscv-spmp

      Public
      The repo contains the SPMP architectural specification, which includes capabilities like access control of read/write/execute requests by an hart, address matching, encoding of permissions, exceptions for access violation, and support for virtualization.
      TeX
      •
      Creative Commons Attribution 4.0 International
      •13•17•0•0•Updated Jul 3, 2025Jul 3, 2025

    • riscv-memory-tagging

      Public
      Memory Tagging ISA extension that can be used by software to enforce memory tag checks on memory loads and stores
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •8•17•2•2•Updated Jul 1, 2025Jul 1, 2025

    • self-hosted-trace

      Public
      RISC-V Self-hosted Trace Development Repositoty
      TeX
      •
      Creative Commons Attribution 4.0 International
      •721•1•1•1•Updated Jun 26, 2025Jun 26, 2025

    • sig-functional-safety-whitepaper

      Public
      GitHub repository for the Functional Safety SIG Whitepaper Development
      TeX
      •
      Creative Commons Attribution 4.0 International
      •3•3•0•2•Updated Jun 26, 2025Jun 26, 2025

    • riscv-library

      Public
      This repository holds the front matter pages for the RISC-V Library
      1•2•0•0•Updated Jun 24, 2025Jun 24, 2025

    • kersten-ui

      Public
      0•0•0•0•Updated Jun 23, 2025Jun 23, 2025

    • riscv-cfi

      Public
      This specification is integrated into the Priv. and Unpriv. specifications. This repo is no longer maintained. Please refer to the Priv. and Unpriv. specifications at https://github.com/riscv/riscv-isa-manual
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •22•88•0•0•Updated Jun 18, 2025Jun 18, 2025

    • docs-dev-guide

      Public
      Documentation developer guide
      TeX
      •
      Creative Commons Attribution 4.0 International
      •35•106•6•4•Updated Jun 18, 2025Jun 18, 2025

    • riscv-glossary

      Public
      Makefile
      •6•8•12•0•Updated Jun 17, 2025Jun 17, 2025

    • riscv-performance-events

      Public
      RISC-V Performance Events Specification
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •6•5•9•2•Updated Jun 16, 2025Jun 16, 2025

    • riscv-b

      Public
      "B" extension - that represents the collection of the Zba, Zbb, and Zbs extensions
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •4•7•0•0•Updated Jun 16, 2025Jun 16, 2025

    • riscv-svvptc

      Public
      Obviating Memory-Management Instructions after Marking PTEs Valid (Svvptc)
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •4•3•0•1•Updated Jun 16, 2025Jun 16, 2025

    • docs-resources

      Public
      Creative Commons Attribution 4.0 International
      •18•38•2•0•Updated Jun 16, 2025Jun 16, 2025

    • docs-spec-template

      Public template
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •25•26•3•3•Updated Jun 16, 2025Jun 16, 2025

    • riscv-zilsd

      Public
      Zilsd (Load/Store Pair for RV32) Fast-Track Extension
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •5•11•0•1•Updated Jun 16, 2025Jun 16, 2025

    • riscv-performance-event-sampling

      Public
      Define 2 new extensions to, along with Zihpm and Sscofpmf, enable event and instruction sampling with precise attribution.
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •1•1•0•2•Updated Jun 11, 2025Jun 11, 2025

    • riscv-dot-product

      Public
      Dot-Product Extension
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •5•6•4•2•Updated Jun 9, 2025Jun 9, 2025

    • integer-vector-absolute-difference

      Public
      RISC-V Integer Vector Absolute Difference
      TeX
      •
      Creative Commons Attribution 4.0 International
      •721•0•0•0•Updated Jun 9, 2025Jun 9, 2025

    • composable-custom-extensions

      Public
      This task group will propose ISA extension(s) and non-ISA hardware and software interop interfaces to enable routine reuse and composition of a subcategory of custom extensions called composable extensions.
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •2•6•1•1•Updated Jun 6, 2025Jun 6, 2025

    • sdtrigpend

      Public
      The intent of pending is to cleanly handle the case where action is 0, m is 0, u is 1, count is 1, and the U-mode instruction being executed causes a trap into M-mode.
      TeX
      •
      Creative Commons Attribution 4.0 International
      •721•0•0•0•Updated Jun 4, 2025Jun 4, 2025

    • riscv-zalasr

      Public
      The ISA specification for the Zalasr extension.
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •2•7•3•1•Updated May 30, 2025May 30, 2025