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@riscv-non-isa

RISC-V Non-ISA Specifications

The Open-Standard Instruction Set Architecture
README.md

Welcome to the RISC-V Non-ISA Specifications 👋

RISC-V Logo

Non-ISA specifications do not add new instructions, create or change opcodes, or in any way modify the RISC-V ISA. They do help us to develop an ecosystem around the ISA Specifications.

Things you'll find here include:

  • ABI Documentation
  • Architecture Tests
  • Specifications like Debug, Processor Trace, and Software Interrupts

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

Popular repositories Loading

  1. riscv-asm-manual riscv-asm-manual Public

    RISC-V Assembly Programmer's Manual

    Makefile 1.5k 241

  2. riscv-elf-psabi-doc riscv-elf-psabi-doc Public

    A RISC-V ELF psABI Document

    Python 725 165

  3. riscv-arch-test riscv-arch-test Public

    Assembly 527 209

  4. riscv-sbi-doc riscv-sbi-doc Public

    Documentation for the RISC-V Supervisor Binary Interface

    Makefile 356 94

  5. rvv-intrinsic-doc rvv-intrinsic-doc Public

    C 302 90

  6. riscv-trace-spec riscv-trace-spec Public

    RISC-V Processor Trace Specification

    C 167 48

Repositories

Showing 10 of 35 repositories
  • server-soc Public

    The repo holds the draft non-ISA Server SoC specification being developed by the Server SoC specification TG and to release intermediate releases of the specification on milestones. Further downstream this repo will be used to release specifications for public review.

    riscv-non-isa/server-soc’s past year of commit activity
    TeX 21 CC-BY-4.0 8 1 0 Updated Jan 5, 2025
  • iopmp-spec Public

    This repository contains the specification source for the RISC-V IOPMP Specification. This document proposes a Physical Memory Protection Unit of Input/Output devices, IOPMP for short, to regulate the accesses issued from the bus masters.

    riscv-non-isa/iopmp-spec’s past year of commit activity
    Makefile 17 CC-BY-4.0 6 1 1 Updated Jan 4, 2025
  • riscv-ap-tee Public

    This repo holds the work area and revisions of the non-ISA specification created by the RISC-V AP-TEE TG. This specification defines the programming interfaces (ABI) to support the Confidential VM Extension (CoVE) confidential computing architecture for RISC-V application-processor platforms.

    riscv-non-isa/riscv-ap-tee’s past year of commit activity
    Makefile 51 CC-BY-4.0 22 24 0 Updated Jan 3, 2025
  • riscv-security-model Public

    RISC-V Security Model

    riscv-non-isa/riscv-security-model’s past year of commit activity
    Makefile 29 CC-BY-4.0 15 4 1 Updated Jan 3, 2025
  • riscv-rpmi Public

    RISC-V Platform Management Interface Specification. OS-agnostic messaging interface for system management and control

    riscv-non-isa/riscv-rpmi’s past year of commit activity
    Makefile 8 CC-BY-4.0 9 1 2 Updated Jan 3, 2025
  • riscv-sbi-doc Public

    Documentation for the RISC-V Supervisor Binary Interface

    riscv-non-isa/riscv-sbi-doc’s past year of commit activity
    Makefile 356 CC-BY-4.0 94 14 6 Updated Jan 3, 2025
  • riscv-brs Public

    The Boot and Runtime Services (BRS) specification provides the software requirements for system vendors and Operating System Vendors (OSVs) to interoperate with one another by providing expectations for the Operating System (OS) to utilize in acts of device discovery, system management, and other rich operations provided in this specification.

    riscv-non-isa/riscv-brs’s past year of commit activity
    TeX 44 CC-BY-4.0 15 15 2 Updated Jan 3, 2025
  • tg-nexus-trace Public

    RISC-V Nexus Trace TG documentation and reference code

    riscv-non-isa/tg-nexus-trace’s past year of commit activity
    C 46 CC-BY-4.0 34 5 1 Updated Jan 3, 2025
  • riscv-arch-test Public
    riscv-non-isa/riscv-arch-test’s past year of commit activity
    Assembly 527 Apache-2.0 209 46 32 Updated Jan 1, 2025
  • riscv-iommu Public

    RISC-V IOMMU Specification

    riscv-non-isa/riscv-iommu’s past year of commit activity
    C 101 CC-BY-4.0 18 1 2 Updated Dec 25, 2024
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