Status at a glance:

• Current  Definition-of-Done Status: kickoff  DoD status directory
• Next  Definition-of-Done Status: Plan  

Specification

• Latest Draft Fast Interrupt Specification (v0.9-draft-20210406)
• What's next:
  • 35 outstanding issues to be addressed.

Encoding/OpCode consistency review

• CSR Registers and addresses to be proposed

• What's next:  

Architecture Tests

• Test plan for the fast-interrupt is available.
• YAML config needs to be created. See here.

Compilers / Toolchains

TBD

GCC and Binutils

• TBD

LLVM

• TBD

Simulators

Though all listed under "simulators", these are actually a collection of formal model / virtual machine / architectural simulators / DV simulators etc.

SAIL

• TBD

Spike

• TBD

riscvOVPSimPlus

• Imperas Commercial Simulator
• Freeware version
• Support for:

QEMU

• QEMU implementation of CLIC-0.9 specification (Version 0.9-draft-20210217)

Proof-of-Concept implementations

Hardware

Software

ABI Extensions

• TBD