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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 242

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

    A RISC-V ELF psABI Document

    Python 727 165

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

    Assembly 527 211

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

    Documentation for the RISC-V Supervisor Binary Interface

    Makefile 359 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
  • 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 2 0 Updated Jan 10, 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 10, 2025
  • riscv-acpi-rimt Public

    RISC-V ACPI I/O Mapping Table Specification

    riscv-non-isa/riscv-acpi-rimt’s past year of commit activity
    Makefile 2 CC-BY-4.0 3 0 2 Updated Jan 10, 2025
  • riscv-elf-psabi-doc Public

    A RISC-V ELF psABI Document

    riscv-non-isa/riscv-elf-psabi-doc’s past year of commit activity
    Python 727 CC-BY-4.0 165 56 27 Updated Jan 10, 2025
  • riscv-server-platform Public

    The RISC-V Server Platform specification defines a standardized set of hardware and sofware capabilities, that portable system software, such as operating systems and hypervisors, can rely on being present in a RISC-V server platform.

    riscv-non-isa/riscv-server-platform’s past year of commit activity
    Makefile 9 CC-BY-4.0 5 9 1 Updated Jan 7, 2025
  • riscv-arch-test Public
    riscv-non-isa/riscv-arch-test’s past year of commit activity
    Assembly 527 Apache-2.0 211 47 31 Updated Jan 7, 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 359 CC-BY-4.0 94 14 4 Updated Jan 7, 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 19 CC-BY-4.0 6 1 1 Updated Jan 6, 2025
  • 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
  • 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
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