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    65 repositories

    • learn

      Public
      Tracking RISC-V Actions on Education, Training, Courses, Monitorships, etc.
      Creative Commons Zero v1.0 Universal
      •106•992•1•0•Updated Aug 14, 2025Aug 14, 2025

    • riscv-j-extension

      Public
      Working Draft of the RISC-V J Extension Specification
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •23•191•7•4•Updated Aug 14, 2025Aug 14, 2025

    • riscv-fast-interrupt

      Public
      Proposal for a RISC-V Core-Local Interrupt Controller (CLIC)
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •51•274•13•6•Updated Aug 14, 2025Aug 14, 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
      •14•22•5•1•Updated Aug 13, 2025Aug 13, 2025

    • riscv-isa-manual

      Public
      RISC-V Instruction Set Manual
      TeX
      •
      Creative Commons Attribution 4.0 International
      •732•4.2k•234•24•Updated Aug 13, 2025Aug 13, 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
      •9•20•3•3•Updated Aug 13, 2025Aug 13, 2025

    • sail-riscv

      Public
      Sail RISC-V model
      Sail
      •
      Other
      •223•593•122•87•Updated Aug 12, 2025Aug 12, 2025

    • docs-dev-guide

      Public
      Documentation developer guide
      TeX
      •
      Creative Commons Attribution 4.0 International
      •38•113•7•4•Updated Aug 11, 2025Aug 11, 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
      •10•17•0•3•Updated Aug 11, 2025Aug 11, 2025

    • riscv-opcodes

      Public
      RISC-V Opcodes
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •336•784•30•27•Updated Aug 8, 2025Aug 8, 2025

    • 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
      •20•60•2•0•Updated Aug 8, 2025Aug 8, 2025

    • kersten-ui

      Public
      1•2•0•0•Updated Aug 5, 2025Aug 5, 2025

    • riscv-plic-spec

      Public
      PLIC Specification
      Creative Commons Attribution 4.0 International
      •46•145•11•2•Updated Aug 4, 2025Aug 4, 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
      •37•75•57•7•Updated Aug 4, 2025Aug 4, 2025

    • riscv-worlds

      Public
      WorldGuard (WG) provides isolation in a hardware platform by constraining access to system physical addresses.
      TeX
      •
      Creative Commons Attribution 4.0 International
      •732•3•0•0•Updated Aug 2, 2025Aug 2, 2025

    • riscv-debug-spec

      Public
      Working Draft of the RISC-V Debug Specification Standard
      Python
      •
      Other
      •97•494•57•8•Updated Aug 1, 2025Aug 1, 2025

    • riscv-aia

      Public
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •23•92•27•2•Updated Jul 31, 2025Jul 31, 2025

    • meta-riscv

      Public
      OpenEmbedded/Yocto layer for RISC-V Architecture
      riscvyocto-layeryoctoopenembeddedyocto-metaopenembedded-layerrisc-v
      BitBake
      •
      Other
      •157•401•21•4•Updated Jul 30, 2025Jul 30, 2025

    • riscv-library

      Public
      This repository holds the front matter pages for the RISC-V Library
      2•4•0•0•Updated Jul 29, 2025Jul 29, 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
      •2•3•1•2•Updated Jul 25, 2025Jul 25, 2025

    • self-hosted-trace

      Public
      RISC-V Self-hosted Trace Development Repositoty
      TeX
      •
      Creative Commons Attribution 4.0 International
      •732•1•1•0•Updated Jul 24, 2025Jul 24, 2025

    • riscv-performance-events

      Public
      RISC-V Performance Events Specification
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •7•9•10•2•Updated Jul 24, 2025Jul 24, 2025

    • riscv-b

      Public
      "B" extension - that represents the collection of the Zba, Zbb, and Zbs extensions
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •5•10•0•1•Updated Jul 24, 2025Jul 24, 2025

    • riscv-svvptc

      Public
      Obviating Memory-Management Instructions after Marking PTEs Valid (Svvptc)
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •5•5•0•0•Updated Jul 24, 2025Jul 24, 2025

    • riscv-glossary

      Public
      Makefile
      •7•10•12•1•Updated Jul 24, 2025Jul 24, 2025

    • riscv-zabha

      Public
      The Zabha extension provides support for byte and halfword atomic memory operations.
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •9•11•0•0•Updated Jul 24, 2025Jul 24, 2025

    • zibi

      Public
      Branch with Immediate (Zibi) Ratification Plan
      TeX
      •
      Creative Commons Attribution 4.0 International
      •732•0•0•0•Updated Jul 24, 2025Jul 24, 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
      •24•92•0•0•Updated Jul 24, 2025Jul 24, 2025

    • sig-functional-safety-whitepaper

      Public
      GitHub repository for the Functional Safety SIG Whitepaper Development
      TeX
      •
      Creative Commons Attribution 4.0 International
      •5•6•2•2•Updated Jul 24, 2025Jul 24, 2025

    • docs-resources

      Public
      Ruby
      •
      Creative Commons Attribution 4.0 International
      •21•41•3•0•Updated Jul 24, 2025Jul 24, 2025