Repositories list

• riscv-high-assurance-cryptography

  Public

  riscv/riscv-high-assurance-cryptography’s past year of commit activity
  High Assurance Cryptography

  TeX

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  Creative Commons Attribution 4.0 International

  •5•5•7•0•Updated Jan 21, 2026Jan 21, 2026

• riscv-isa-manual

  Public

  riscv/riscv-isa-manual’s past year of commit activity
  RISC-V Instruction Set Manual

  TeX

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  Creative Commons Attribution 4.0 International

  •786•4.5k•36•24•Updated Jan 21, 2026Jan 21, 2026

• riscv-p-spec

  Public

  riscv/riscv-p-spec’s past year of commit activity
  RISC-V Packed SIMD Extension

  Creative Commons Attribution 4.0 International

  •41•155•72•2•Updated Jan 21, 2026Jan 21, 2026

• riscv-plic-spec

  Public

  riscv/riscv-plic-spec’s past year of commit activity
  PLIC Specification

  Creative Commons Attribution 4.0 International

  •48•150•11•11•Updated Jan 20, 2026Jan 20, 2026

• riscv-cheri

  Public

  riscv/riscv-cheri’s past year of commit activity
  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

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  Creative Commons Attribution 4.0 International

  •43•95•34•3•Updated Jan 20, 2026Jan 20, 2026

• sail-riscv

  Public

  riscv/sail-riscv’s past year of commit activity
  Sail RISC-V model

  Sail

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  Other

  •244•649•113•87•Updated Jan 20, 2026Jan 20, 2026

• integrated-matrix-extension

  Public

  riscv/integrated-matrix-extension’s past year of commit activity
  RISC-V Integrated Matrix Development Repository

  TeX

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  Creative Commons Attribution 4.0 International

  •786•20•0•0•Updated Jan 19, 2026Jan 19, 2026

• riscv-fast-interrupt

  Public

  riscv/riscv-fast-interrupt’s past year of commit activity
  Proposal for a RISC-V Core-Local Interrupt Controller (CLIC)

  Makefile

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  Creative Commons Attribution 4.0 International

  •52•283•7•2•Updated Jan 19, 2026Jan 19, 2026

• riscv-docs-base-container-image

  Public

  riscv/riscv-docs-base-container-image’s past year of commit activity
  A base container image populated with the dependencies to build the RISC-V Documentation.

  Apache License 2.0

  •10•18•0•3•Updated Jan 19, 2026Jan 19, 2026

• meta-riscv

  Public

  riscv/meta-riscv’s past year of commit activity
  OpenEmbedded/Yocto layer for RISC-V Architecture

  riscvyocto-layeryocto+ 4openembeddedrisc-vyocto-metaopenembedded-layer

  BitBake

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  Other

  •166•419•21•4•Updated Jan 18, 2026Jan 18, 2026

• composable-custom-extensions

  Public

  riscv/composable-custom-extensions’s past year of commit activity
  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

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  Creative Commons Attribution 4.0 International

  •4•11•1•1•Updated Jan 17, 2026Jan 17, 2026

• riscv-aia

  Public

  riscv/riscv-aia’s past year of commit activity
  Makefile

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  Creative Commons Attribution 4.0 International

  •24•99•36•2•Updated Jan 16, 2026Jan 16, 2026

• riscv-smmtt

  Public

  riscv/riscv-smmtt’s past year of commit activity
  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-environment+ 12confidential-computingsmmttsupervisor-domainsap-teesmsdidsmmptsmsdia+ 5

  Makefile

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  Creative Commons Attribution 4.0 International

  •22•64•2•0•Updated Jan 16, 2026Jan 16, 2026

• docs-dev-guide

  Public

  riscv/docs-dev-guide’s past year of commit activity
  Documentation developer guide

  TeX

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  Creative Commons Attribution 4.0 International

  •38•121•9•3•Updated Jan 14, 2026Jan 14, 2026

• riscv-opcodes

  Public

  riscv/riscv-opcodes’s past year of commit activity
  RISC-V Opcodes

  Python

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  BSD 3-Clause "New" or "Revised" License

  •351•829•26•29•Updated Jan 13, 2026Jan 13, 2026

• riscv-spec-barrier

  Public

  riscv/riscv-spec-barrier’s past year of commit activity
  RISC-V Speculation Barrier

  Makefile

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  Creative Commons Attribution 4.0 International

  •1•1•0•0•Updated Jan 13, 2026Jan 13, 2026

• riscv-glossary

  Public

  riscv/riscv-glossary’s past year of commit activity
  Makefile

  •6•10•17•0•Updated Jan 13, 2026Jan 13, 2026

• riscv-worlds

  Public

  riscv/riscv-worlds’s past year of commit activity
  RISC-V Worlds provides isolation in a hardware platform by constraining access to system physical addresses.

  TeX

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  Creative Commons Attribution 4.0 International

  •786•11•2•0•Updated Jan 9, 2026Jan 9, 2026

• riscv-test-env

  Public

  riscv/riscv-test-env’s past year of commit activity
  C

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  Other

  •118•51•4•5•Updated Jan 9, 2026Jan 9, 2026

• riscv-profiles

  Public

  riscv/riscv-profiles’s past year of commit activity
  RISC-V Architecture Profiles

  Makefile

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  Creative Commons Attribution 4.0 International

  •46•170•20•3•Updated Jan 8, 2026Jan 8, 2026

• sig-functional-safety-whitepaper

  Public

  riscv/sig-functional-safety-whitepaper’s past year of commit activity
  GitHub repository for the Functional Safety SIG Whitepaper Development

  TeX

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  Creative Commons Attribution 4.0 International

  •8•6•1•0•Updated Jan 6, 2026Jan 6, 2026

• riscv-performance-event-sampling

  Public

  riscv/riscv-performance-event-sampling’s past year of commit activity
  Define 2 new extensions to, along with Zihpm and Sscofpmf, enable event and instruction sampling with precise attribution.

  Makefile

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  Creative Commons Attribution 4.0 International

  •3•4•6•2•Updated Jan 5, 2026Jan 5, 2026

• riscv-performance-events

  Public

  riscv/riscv-performance-events’s past year of commit activity
  RISC-V Performance Events Specification

  Makefile

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  Creative Commons Attribution 4.0 International

  •7•10•11•3•Updated Dec 29, 2025Dec 29, 2025

• docs-spec-template

  Public template

  riscv/docs-spec-template’s past year of commit activity
  Makefile

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  Creative Commons Attribution 4.0 International

  •26•36•1•3•Updated Dec 29, 2025Dec 29, 2025

• riscv-debug-spec

  Public

  riscv/riscv-debug-spec’s past year of commit activity
  Working Draft of the RISC-V Debug Specification Standard

  Python

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  Other

  •98•504•74•16•Updated Dec 29, 2025Dec 29, 2025

• riscv-b

  Public

  riscv/riscv-b’s past year of commit activity
  "B" extension - that represents the collection of the Zba, Zbb, and Zbs extensions

  Makefile

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  Creative Commons Attribution 4.0 International

  •5•12•0•1•Updated Dec 29, 2025Dec 29, 2025

• riscv-svvptc

  Public

  riscv/riscv-svvptc’s past year of commit activity
  Obviating Memory-Management Instructions after Marking PTEs Valid (Svvptc)

  Makefile

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  Creative Commons Attribution 4.0 International

  •5•5•0•1•Updated Dec 29, 2025Dec 29, 2025

• riscv-zabha

  Public
  The Zabha extension provides support for byte and halfword atomic memory operations.

  Makefile

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  Creative Commons Attribution 4.0 International

  •9•11•0•1•Updated Dec 29, 2025Dec 29, 2025

• riscv-cfi

  Public

  riscv/riscv-cfi’s past year of commit activity
  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

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  Creative Commons Attribution 4.0 International

  •23•95•0•1•Updated Dec 29, 2025Dec 29, 2025

• docs-resources

  Public

  riscv/docs-resources’s past year of commit activity
  Ruby

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  Creative Commons Attribution 4.0 International

  •23•47•1•0•Updated Dec 27, 2025Dec 27, 2025