RISC-V International
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Ratification Package
| extensions included | Task group approved by TSC date | Specification State**** | Fast Track | Priv / Unpriv | Committee (Owner) | Task Group | Plan Milestone Target Date | Freeze Milestone Target Date | Ratification Milestone Target Date | Plan Milestone Next Step* | Freeze Milestone Next Step** | Ratification Milestone Next Step*** | Last Updated | Notes | In RVA2023 profile as mandatory or supported optional |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Advanced Interrupt Architecture (AIA)
| Smaia, Ssaia |
| Public Review Started | N | P | Priv IC (John Hauser, Anup Patel) | AIA | Q4'22 | Q1'23 | complete | complete | public review complete |
| y | ||
Cache and Memory Controller QoS Register Interface (CMQRI) | Ssqosid |
| Plan Complete | N | P | SOC Infrastructure HC (Eric Shiu, Ambika Krishnamoorthy) | CMQRI | Q2'23 | Q3'23 | complete | acceptance criteria complete |
| ||||
| Zca, Zcb, Zcd, Zcf, Zcmp, Zcmt | 2021 | Frozen | N | U | (Tariq Kurd) | Code Size Reduction | Q1'23 | Q1'23 | grandfathered | complete | public review complete | SAIL/ACT Waivers ABI issues resolved | n | |||
| Zicond |
| New | Y | U | Unpriv IC | N/A | Q1'23 | |||||||||
| Zicntr, Zihpm |
| Public Review Complete | Y | U | Unpriv IC (Earl Killian) | N/A | Q4'22 | N/A | complete | public review complete | Review ends Dec. 23 | y | ||||
Debug
| 2020 | NewStable | N | P | Priv IC (Tim Newsom) | Debug TG | Q2'23 | Q3'23 | review by chairs | acceptance criteria complete | start | n | ||||
| Smclic | 2020 | Plan Complete | N | P | Priv IC (Dan Smathers) | Fast Interrupts | Q1'23 | N/A | spec development - stable | start | ? | n | ||||
| Svadu |
| Plan Complete | Y | P | Priv IC (Ved) | N/A | Q1'23 | Q1'23 | N/A | acceptance criteria complete | start | |||||
| "May Be Ops" (for CFI, etc.) | Zimop |
| Stable | Y | U | Unpriv IC (Andrew Waterman) | N/A | Q1'23 | N/A | AR approval | start | 08/22. need github spec | n | |||
| Zihintntl |
| Plan Complete | Y | P | Priv IC (Andrew Waterman) | N/A | Q1'23 | N/A | acceptance criteria complete | start | Update needed. | y | ||||
| Zbpbo, Zpn, Zpsfoperand, P | 2020 | New | N | U | Unpriv IC (Kevin Chen) | Packed SIMD | ? | start | start | start | n | |||||
| Zjid | 2020 | Stable | N | P | Priv IC (Martin Maas) | I/D Consistency | Q1'23 | N/A - Grandfathered | AR approval | start | Spec in slide form, needs to be translated into write-up. | ? | ||||
| Zjpm | 2020 | Stable | N | P | Priv IC (Martin Maas) | Pointer Masking | Q1'23 | N/A - Grandfathered | AR approval | start | Waivers requested for SAIL and ACT. | ? | ||||
Profiles
| Shcounterenw, Shvstvala, Shtvala, Shvstvecd, Shvsatpa, Shgatpa, Ssstateen, Ssptead, Sstvala, Sstvecd, Sstvecv, Ssu64xl, Svbare, Za128rs, Za64rs, Ziccamoa, Ziccif, Zicclsm, Ziccrse, Zic64b |
| Public Review Started | N | U | TSC (Krste/Greg) | Profiles TG | Q4'22 | complete | complete | public review complete | Public review ends 12/9. | y | |||
| RV32E/RV64E |
| Public Review Complete | Y | U | Unpriv IC (krste) | N/A | Q3'22 | Q4'22 | N/A | complete | TSC approval | n | ||||
| Smrnmi |
| Plan Complete | Y | P | Priv IC (Krste/Greg) | N/A | Q1'23 | N/A | acceptance criteria complete | start | n | |||||
| Misc. basic Scalar FP | Zfa |
| Plan Complete | Y | U | Unpriv IC (Andrew Waterman) | N/A | Q4'22 | Q1'23 | N/A | acceptance criteria complete | start | y | |||
Shadow Stacks and Landing Pads
| Zisslpcfi |
| Plan Complete | N | U + P | (George, Ved) | SS-LP-CFI | Q4'22 | Q3'23 | Q3'23 | Complete | start | start | n | ||
| Sspmp |
| New | N | P | Security HC (Dong Du) | S-Mode Physical Memory Protection | Q4'22 | TBD | N/A | N/A | N/A | n | ||||
Total Store Ordering
| Ztso |
| TSC Approved | Y | U | Unpriv IC (Earl Killian) | N/A | Q3'22 | Q4'22 | N/A | complete | BOD approval | ? | |||
Vector Crypto
| Zvkb, Zvkg, Zvknha, Zvknhb, Zvkns, Zvksed, Zvksh |
| Stable | N | U | Unpriv IC | Cryptographic Extensions | Q4'22 | Q1'23 | Complete | AR Approval | start | SAIL & ACT Waiver | y | ||
Vector Crypto - all-rounds AES
| Zvknf |
| Stable | N | U | Unpriv IC | Cryptographic Extensions | TBD | Complete | AR Approval | start | SAIL & ACT Waiver | n | |||
Vector IEEE FP16 Min Support, Arithmetic | Zvfh, Zvfhmin |
| Stable | Y | U | Unpriv IC (Krste) | N/A | Q4'22 | N/A | freeze | start | Blanket waiver | y |
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Ratification Package
| Task group approved by TSC date | Specification State**** | Committee (Owner) | Task Group | Plan Milestone Target Date | Freeze Milestone Target Date | Ratification Milestone Target Date | Plan Milestone next step* | Freeze Milestone next step** | Ratification *** | Last Updated | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Application Processor-Trusted Execution Environment (AP-TEE)
|
| NewPlan Complete | Security HC (Ravi Sahita, Guerney Hunt) | AP-TEE | Q1'23 | Q2'23Q2 | Q3'23 | spec review stageby chairs | 11 | |||
Architectural Test Requirements
| 2020 | New | ISA Infrastructure HC | Architecture Test SIG?? | review by chairs | |||||||
IOMMU
|
| Plan Complete | SOC Infrastructure HC (Ved Shanbhogue, Perrine Peresse) | IOMMU | Q1'23 | complete | AR approval | |||||
IOPMP
|
| New | Security HC | IOPMP | Q3'23 | review by chairs | ||||||
Nexus Trace (control)
| 2020 | New | SOC Infrastructure HC (Robert Chylla) | Nexus Trace | review by chairs | |||||||
| OS-A SEE |
| New | Privileged Software HC (Aaron Durbin) | OS-A SEE | ||||||||
| Platform Runtime Services |
| New | Privileged Software HC (Atish Patra & Sunil VL) | Platform Runtime Services | ||||||||
PLIC
| 2020 | Public Review Complete | Privileged Software HC (Abner Chang) | Q3'22 | Q4'22 | complete | complete | TSC approval | No waivers | |||
RAS terms and definitions |
| New | SOC Infrastructure HC (Dimitris Gizopoulos, Cameron McNairy) | RAS Terms and Defintions | build plan | |||||||
| RVV C Intrinsics |
| New | Applications & Tools HC | RISC-V Vector C Intrinsics | ||||||||
Security Model
|
| New | Security HC (Xueyang Terry Wang, Suresh Sugumar) | Security Model | plan review by chairs | |||||||
Unified Discovery (Config)
|
| New | Privileged Software HC (Irma Flores-Mendoza | Unified Discovery | Q3'22 | plan review by chairs |
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Watchdog Timer
|
| New | Privileged Software HC | plan review by chairs |
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