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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 2.8k 980

  2. opensbi opensbi Public

    RISC-V Open Source Supervisor Binary Interface

    C 1.3k 611

  3. riscv-tools riscv-tools Public archive

    RISC-V Tools (ISA Simulator and Tests)

    Shell 1.2k 449

  4. riscv-tests riscv-tests Public

    C 1.1k 515

  5. riscv-pk riscv-pk Public

    RISC-V Proxy Kernel

    C 663 332

  6. homebrew-riscv homebrew-riscv Public

    homebrew (macOS) packages for RISC-V toolchain

    Ruby 353 55

Repositories

Showing 10 of 25 repositories
  • riscv-unified-db Public

    Monorepo containing a machine-readable database of the RISC-V specification and artifact generation tools

    riscv-software-src/riscv-unified-db’s past year of commit activity
    C++ 106 BSD-2-Clause 74 201 (1 issue needs help) 55 Updated Sep 29, 2025
  • librpmi Public

    Reference implementation of RPMI specification as a library.

    riscv-software-src/librpmi’s past year of commit activity
    C 11 13 3 0 Updated Sep 26, 2025
  • riscv-isa-sim Public

    Spike, a RISC-V ISA Simulator

    riscv-software-src/riscv-isa-sim’s past year of commit activity
    C 2,846 980 306 49 Updated Sep 26, 2025
  • 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
    1 Apache-2.0 2 1 1 Updated Sep 25, 2025
  • riscv-pk Public

    RISC-V Proxy Kernel

    riscv-software-src/riscv-pk’s past year of commit activity
    C 663 332 86 5 Updated Sep 19, 2025
  • riscv-udb-generators Public

    Repository for the Fall 2025 RISC-V International Mentorship. Focused on supporting the Unified Database (UDB) project by building and refining generators, while offering mentees a structured, hands-on learning experience.

    riscv-software-src/riscv-udb-generators’s past year of commit activity
    0 0 0 0 Updated Sep 18, 2025
  • 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++ 189 Apache-2.0 75 32 3 Updated Sep 16, 2025
  • opensbi Public

    RISC-V Open Source Supervisor Binary Interface

    riscv-software-src/opensbi’s past year of commit activity
    C 1,271 611 83 3 Updated Sep 16, 2025
  • 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 Sep 6, 2025
  • riscof Public
    riscv-software-src/riscof’s past year of commit activity
    Python 92 BSD-3-Clause 48 57 (4 issues need help) 15 Updated Aug 29, 2025
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Most used topics

risc-v riscv