RISC-V International
Page History
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Ratification Package (Extension names)
| Fast Track | Priv / Unpriv | Committee (Owner) | Plan Milestone Target Date | Freeze Milestone Target Date | Ratification Milestone Target Date | Plan Milestone Status* | Freeze Milestone Status** | Ratification Milestone Status*** | Notes / Last Updated | In RVA2023 profile as mandatory or supported optional |
|---|---|---|---|---|---|---|---|---|---|---|---|
Advanced Interrupt Architecture (AIA)
| N | P | Priv HC (John Hauser, Anup Patel) | Q3'22 | Plan Complete | Freeze Arch Review Complete Waivers Requested | 08/22 | y | |||
Code Size Reduction (Zc*)
| N | U | (Tariq Kurd) | Q3'22 | N/A - Grandfathered | Freeze Arch Review Complete | 09/22 | n | |||
Debug
| N | P | Debug TG (Tim Newsom) | Q2'23 | Plan Development | 08/22 | n | ||||
Fast Interrupt (CLIC)
| N | P | Priv HC (Dan Smathers) | Q4'22 | Plan Development | Freeze Arch Review Requested | 08/22 | n | |||
HpmCounter enhancements (Zicntr, Zihpm) | Y | U | Unpriv HC (TBD) | Q3'22 | N/A | Freeze Arch Review Complete | 08/22 | y | |||
| "May Be Ops" (for CFI, etc.) (Zimops) | Y | U | Unpriv HC (Andrew Waterman) | Q3'22 | N/A | Pending RVI Review Arch Review In Process | 08/22 | n | |||
Non Temporal Locality Hint (Zihintntl) | Y | P | Priv HC (Andrew Waterman) | Q3'22 | N/A | Freeze Arch Review Complete | 08/22 | y | |||
Packed SIMD (Zpn, Zpsfoperand, Zprvsfextra)
| N | U | Unpriv HC (Kevin Chen) | Q4'22 | N/A - Grandfathered | Freeze Arch Review Requested | 08/22 | n | |||
Pointer masking (Zjpm)
| N | P | Priv HC (Martin Maas) | Q4'22 | N/A - Grandfathered | Freeze Arch Review Requested | 9/1 | ? | |||
Profiles
| N | U | Profiles TG (Krste/Greg) | 06/25/22 | Internal Review Complete 6/7 TSC Review Complete 6/21 | Plan Complete | Freeze Complete | 09/01 | y | ||
Quality of Service ID (QID) | Y | P | (Ved Shanbhogue) | Q3'22 | Q4'22 | N/A | 08/22 | n | |||
Reduced integer bases (RV32E/RV64E)
| Y | U | Unpriv HC (???) | Q3'22 | N/A | Freeze Arch Review Complete | Public review ends Oct 6 (updated: 08/22) | n | |||
Resumable Non-maskable Interrupts (Smrnmi)
| Y | P | Priv HC (Krste/Greg) | Q4'22 | N/A | Freeze Arch Review Almost Complete | 08/22 | n | |||
| Misc. basic Scalar FP (Zfa) | Y | U | Unpriv HC (Andrew Waterman) | Q3'22 | N/A | Freeze Arch Review In Process | 08/22 | y | |||
Total Store Ordering (Ztso)
| Y | U | Unpriv HC (Earl Killian) | Q2'22 | Q3'22 | N/A | Freeze Complete | Public Review In Process | Review ends 3 Oct. (updated: 08/22) | ? | |
Vector Crypto (Zvk)
| N | U | Cryptographic Extensions Task Group | Plan Complete | 08/22 | y | |||||
| Vector IEEE FP16 Min Support (Zvfmin) | Y | U | Unpriv HC (Andrew Waterman) | Q4'22 | N/A | Freeze Arch Review Requested | 08/22 | y | |||
| Vector IEEE FP16 Arithmetic (Zvf) | Y | U | Unpriv HC (Andrew Waterman) | Q4'22 | N/A | Freeze Arch Review Requested | Updated: 09/14 | y | |||
Wait on Reservation Set (Zawrs)
| Y | U | Unpriv HC | Q2'22 | Q3'22 | N/A | Freeze Complete | Committee Chair TSC Sign-Off CompleteVoting | Updated: 09/22 | y |
In-process Non-ISA Specifications
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