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@riscv-software-src

RISC-V Software

The Open-Standard Instruction Set Architecture
README.md

Welcome to the RISC-V Software Repos 👋

RISC-V Logo

These repos consist of RISC-V software that is maintained by RISC-V International. These repositories represent upstream sources for many open source projects.

Things you'll find here include:

  • Spike, a RISC-V Simulator
  • riscof, the RISC-V Architectural Test Framework
  • opensbi, a RISC-V Supervisor Binary Interface reference implementation

If you don't find what you're looking for here, try one of our other GitHub organizations:

Popular repositories Loading

  1. riscv-isa-sim riscv-isa-sim Public

    Spike, a RISC-V ISA Simulator

    C 3.1k 1k

  2. opensbi opensbi Public

    RISC-V Open Source Supervisor Binary Interface

    C 1.4k 662

  3. riscv-tools riscv-tools Public archive

    RISC-V Tools (ISA Simulator and Tests)

    Shell 1.2k 448

  4. riscv-tests riscv-tests Public

    C 1.1k 535

  5. riscv-pk riscv-pk Public

    RISC-V Proxy Kernel

    C 689 334

  6. homebrew-riscv homebrew-riscv Public

    homebrew (macOS) packages for RISC-V toolchain

    Ruby 364 55

Repositories

Showing 10 of 27 repositories
  • riscv-etrace-lib Public

    The etrace library provides developers with tools to efficiently decode and analyze e-trace packets, enabling deeper insights into system behavior and performance.

    riscv-software-src/riscv-etrace-lib’s past year of commit activity
    C 0 0 0 0 Updated Mar 30, 2026
  • riscv-isa-sim Public

    Spike, a RISC-V ISA Simulator

    riscv-software-src/riscv-isa-sim’s past year of commit activity
    C 3,050 1,046 322 57 Updated Mar 30, 2026
  • sail-riscv-tests Public

    Precompiled test suites for comprehensive testing of the Sail RISC-V model

    riscv-software-src/sail-riscv-tests’s past year of commit activity
    Just 1 Apache-2.0 3 1 2 Updated Mar 25, 2026
  • riscv-tests Public
    riscv-software-src/riscv-tests’s past year of commit activity
    C 1,148 535 122 25 Updated Mar 24, 2026
  • opensbi Public

    RISC-V Open Source Supervisor Binary Interface

    riscv-software-src/opensbi’s past year of commit activity
    C 1,418 662 89 3 Updated Mar 22, 2026
  • riscv-brs-tests Public

    RISC-V Boot and Runtime Services Test Suite

    riscv-software-src/riscv-brs-tests’s past year of commit activity
    C 4 Apache-2.0 8 0 1 Updated Feb 25, 2026
  • riscv-perf-model Public

    Example RISC-V Out-of-Order/Superscalar Processor Performance Core and MSS Model

    riscv-software-src/riscv-perf-model’s past year of commit activity
    C++ 214 Apache-2.0 86 24 6 Updated Feb 8, 2026
  • librpmi Public

    Reference implementation of RPMI specification as a library.

    riscv-software-src/librpmi’s past year of commit activity
    C 16 19 3 1 Updated Feb 5, 2026
  • riscv-udb-for-ame Public Forked from riscv/riscv-unified-db

    RISC-V UDB Fork for AME Development

    riscv-software-src/riscv-udb-for-ame’s past year of commit activity
    Ruby 0 BSD-2-Clause 130 0 0 Updated Feb 2, 2026
  • riscv-mirror-mavis Public

    Mirror of Mavis. Mavis is a framework that allows decoding of the RISC-V ISA into custom instruction class types as well as custom extensions to those class types.

    riscv-software-src/riscv-mirror-mavis’s past year of commit activity
    C++ 0 Apache-2.0 0 0 0 Updated Dec 24, 2025
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