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RISC-V

The Open-Standard Instruction Set Architecture

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  1. riscv-isa-manual riscv-isa-manual Public

    RISC-V Instruction Set Manual

    TeX 4.4k 772

  2. docs-dev-guide docs-dev-guide Public

    Documentation developer guide

    TeX 118 40

  3. docs-spec-template docs-spec-template Public template

    Makefile 35 27

  4. docs-resources docs-resources Public

    Ruby 44 26

  5. learn learn Public

    Tracking RISC-V Actions on Education, Training, Courses, Monitorships, etc.

    1.2k 122

Repositories

Showing 10 of 65 repositories
  • riscv-spec-barrier Public

    RISC-V Spec Barrier

    riscv/riscv-spec-barrier’s past year of commit activity
    Makefile 0 CC-BY-4.0 1 0 0 Updated Nov 18, 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.

    riscv/riscv-smmtt’s past year of commit activity
    Makefile 64 CC-BY-4.0 22 1 1 Updated Nov 18, 2025
  • riscv/riscv-glossary’s past year of commit activity
    Makefile 10 7 17 (5 issues need help) 1 Updated Nov 18, 2025
  • riscv-zabha Public

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

    riscv/riscv-zabha’s past year of commit activity
    Makefile 11 CC-BY-4.0 9 0 1 Updated Nov 18, 2025
  • riscv-performance-event-sampling Public

    Define 2 new extensions to, along with Zihpm and Sscofpmf, enable event and instruction sampling with precise attribution.

    riscv/riscv-performance-event-sampling’s past year of commit activity
    Makefile 4 CC-BY-4.0 3 2 2 Updated Nov 18, 2025
  • docs-dev-guide Public

    Documentation developer guide

    riscv/docs-dev-guide’s past year of commit activity
    TeX 118 CC-BY-4.0 40 8 4 Updated Nov 18, 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 This repo is no longer maintained.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

    riscv/riscv-cfi’s past year of commit activity
    Makefile 92 CC-BY-4.0 24 0 0 Updated Nov 18, 2025
  • riscv/docs-resources’s past year of commit activity
    Ruby 44 CC-BY-4.0 26 1 0 Updated Nov 18, 2025
  • meta-riscv Public

    OpenEmbedded/Yocto layer for RISC-V Architecture

    riscv/meta-riscv’s past year of commit activity
    BitBake 410 161 21 (1 issue needs help) 2 Updated Nov 18, 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.

    riscv/riscv-cheri’s past year of commit activity
    TeX 90 CC-BY-4.0 41 38 (1 issue needs help) 2 Updated Nov 18, 2025

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