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  • Test plan for the scalar-crypto specific instructions is available.
  • No actual tests suitable for use currently available. An old experimental set need removing from the riscv-crypto repository, as these no longer work with the latest toolchain or architectural test framework.
  • What's next:
    Imperas have a complete set of tests, written to the existing test plan, for the scalar crypto instructions and the bitmanip instructions we borrow.
    • There is an open pull request in the riscv-arch-test repositoryThese have been merged into the main test suite as of PR#177, with many thanks to Imperas for the contribution.
      • Sail, OVPSim and Sail all agree on the test signatures.
    • They form a base we can use to develop prototype implementations / Spike / SAIL / QEMU very easily and quickly.
  • Upstream Spike support for enabling it to work with the K test suite is being added in PR#687.
  • IIT Madras are also looking at writing the scalar crypto tests for integration into the official architectural tests repo as well.
    • Agreed SoW for IITM
    • They will re-implement the tests as part of the blessed coverage and test generation tooling.
    • We then switch over to using the IIT tests when they are finished, since they will be easier to maintain/extend going forward than the Imperas tests.
  • YAML config changes for K have been merged in. See here.

Compilers / Toolchains

Imperas maintain pre-built toolchains for various in-progress RISC-V extensions here. See the "rvk-*" branches for scalar crypto.

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