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@riscv RISC-V

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    23 repositories

    • 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 This repo is no longer maintained.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. specificati…
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •23•97•0•0•Updated Oct 5, 2026Oct 5, 2026

    • riscv-glossary

      Public
      Makefile
      •9•11•11•1•Updated Oct 5, 2026Oct 5, 2026

    • 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. conf…
      access-controltrusted-computingtrusted-execution-environment
      access-controltrusted-computingtrusted-execution-environmentconfidential-computingsmmttsupervisor-domainsap-teesmsdidsmmptsmsdia
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •27•73•14•2•Updated Oct 5, 2026Oct 5, 2026

    • riscv-spmp

      Public
      The repo contains the SPMP architectural specification, which includes capabilities like access control of read/write/execute requests by an hart, address match…
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •15•26•0•0•Updated Sep 1, 2026Sep 1, 2026

    • riscv-memory-tagging

      Public
      Memory Tagging ISA extension that can be used by software to enforce memory tag checks on memory loads and stores
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •10•35•5•3•Updated Sep 29, 2026Sep 29, 2026

    • composable-custom-extensions

      Public
      This task group will propose ISA extension(s) and non-ISA hardware and software interop interfaces to enable routine reuse and composition of a subcategory of c…
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •4•12•1•1•Updated Aug 19, 2026Aug 19, 2026

    • riscv-profiles

      Public archive
      RISC-V Architecture Profiles
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •45•192•0•5•Updated Jul 21, 2026Jul 21, 2026

    • riscv-aia

      Public
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •21•105•46•2•Updated Jul 20, 2026Jul 20, 2026

    • riscv-spec-barrier

      Public
      RISC-V Speculation Barrier
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •2•5•1•2•Updated May 25, 2026May 25, 2026

    • riscv-b

      Public
      "B" extension - that represents the collection of the Zba, Zbb, and Zbs extensions
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •5•13•0•1•Updated Apr 27, 2026Apr 27, 2026

    • riscv-svvptc

      Public
      Obviating Memory-Management Instructions after Marking PTEs Valid (Svvptc)
      Makefile
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      Creative Commons Attribution 4.0 International
      •5•5•0•1•Updated Apr 27, 2026Apr 27, 2026

    • riscv-control-transfer-records

      Public
      This repo contains a RISC-V ISA extension (proposal) to allow recording of control transfer history to on-chip registers, to support usages associated with prof…
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •6•23•5•1•Updated Mar 10, 2026Mar 10, 2026

    • riscv-zabha

      Public
      The Zabha extension provides support for byte and halfword atomic memory operations.
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •9•11•0•1•Updated Mar 10, 2026Mar 10, 2026

    • riscv-double-trap

      Public
      RISC-V Double Trap Fast-Track Extension
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •4•15•0•0•Updated Mar 10, 2026Mar 10, 2026

    • riscv-dot-product

      Public
      Dot-Product Extension
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •7•10•5•1•Updated Mar 10, 2026Mar 10, 2026

    • riscv-performance-events

      Public
      RISC-V Performance Events Specification
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •7•13•11•3•Updated Mar 7, 2026Mar 7, 2026

    • riscv-zalasr

      Public
      The ISA specification for the Zalasr extension.
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •3•16•0•2•Updated Mar 6, 2026Mar 6, 2026

    • riscv-ssqosid

      Public
      This repo will hold the specification for the proposed QoS ID extension being pursued on the fast-track process.
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •5•6•0•1•Updated Mar 6, 2026Mar 6, 2026

    • riscv-ssdtso

      Public
      The Ssdtso is a fast-track extension adding a 'dynamic-RVTSO' mode of operation and on-demand per-hart switching between the memory models.
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •3•5•1•1•Updated Mar 6, 2026Mar 6, 2026

    • riscv-bfloat16

      Public
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •14•40•0•1•Updated Mar 6, 2026Mar 6, 2026

    • riscv-j-extension

      Public
      Working Draft of the RISC-V J Extension Specification
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •22•198•8•3•Updated Mar 6, 2026Mar 6, 2026

    • riscv-zaamo-zalrsc

      Public
      Zaamo / Zalrsc: A extension components
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •4•7•1•1•Updated Mar 6, 2026Mar 6, 2026

    • riscv-bitmanip

      Public
      Working draft of the proposed RISC-V Bitmanipulation extension
      Makefile
      •
      Creative Commons Attribution 4.0 International
      •62•221•41•0•Updated Mar 20, 2024Mar 20, 2024
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