RISC-V International
All extensions shall go through the Opcode and State Review before progressing to the Freeze milestone as specified in the Definition of Done Policy
The Reviews (other than Opcode and State) that were previously performed by the O&CR are now performed by the overseeing (Un)Privileged ISA Committee prior to freeze. These include:
TG/FT | Board Priority | Fast Track | Review | Contact | Extension | Sub Extensions | Status | Effort | ETA | Comment |
BitManip | Yes | No | Final | Ken Dockser | B | Zba, Zbb, Zbc, Zbs | complete (except for doc updates) | s | 5/31/21 | ASCII doc for public review close to completion |
BitManip | (Yes) | No | Final | Ken Dockser | B | (Scalar Crypto required instructions) Zbk? | started | m | 5/31/21 | |
TEE | Yes | No | Final | Joe Xie | ePMP | N/A | in final review | m | 5/31/21 | |
Crypto | Yes | No | Final | Ben Marshall | K | (Scalar) | started | m | 5/15/21 | Bitmanip crypto-required extensions (Zbk?) reviewed in parallel |
Vector | Yes | No | Final | Krste | V | All except: Zvqmac and Zvediv | in queue | m-l | Needed for RVA22 | |
Virtual Memory | Yes | No | Final | Dan Lustig | Base? | Svnapot | in queue | s | NAPOT Translation Contiguity | |
Privileged | No | Yes | Final | Greg Favor | Sstc | hypervisor? Sys? | in queue | s | stimecmp / vstimecmp | |
Packed-SIMD | Yes | No | Final | Chuanhua Chang | P | - | in queue | xl | ||
Privileged | No | Yes | Final | Greg Favor | Sscofpmf | - | in queue | s | PerfMon Overflow and Mode Filtering | |
TEE and J | No | No | Final | Adam Zabrocki | J | Pointer Masking | in queue | s | ||
Zfinx | No | No | Final | Tariq Kurd | Zfinx | Zfinx | N/A | s | No new Opcodes or State | |
Code Size Reduction | No | No | Early | Tariq Kurd | Zce | - | in queue | s | Spec not ready for final review. They requested early feedback. | |
Debug | No | No | Final | Tim Newsome | Debug | N/A | in queue | s-m | Built on top of ratified 0.13 spec |