RISC-V International
Page History
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Ratification Package
| extensions included | 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 | N | P | Priv HC (John Hauser, Anup Patel) | AIA | Q4'22 | Q1'23 | complete | complete | public review complete |
| y | ||
| Zca, Zcb, Zcd, Zcf, Zcmp, Zcmt | Frozen | N | U | (Tariq Kurd) | Code Size Reduction | Q4'22 | Q1'23 | grandfathered | complete | send out for public review | SAIL/ACT Waivers ABI issues being worked | n | |||
Conditional Ops | Zicondops | New | Y | U | Unpriv HC | N/A | Q1'23 | ||||||||
Debug
| New | N | P | Priv HC (Tim Newsom) | Debug TG | Q2'23 | review by chairs | acceptance criteria complete | start | n | |||||
| Smclic | Plan | N | P | Priv HC (Dan Smathers) | Fast Interrupts | Q1'23 | N/A | spec development - stable | start | ? | n | ||||
| Svadu | Plan | Y | P | Priv HC (Ved) | N/A | Q4'22 | Q1'23 | N/A | acceptance criteria complete | start | |||||
| Zicntr, Zihpm | Public Review | Y | U | Unpriv HC (Earl Killian) | N/A | Q4'22 | N/A | committee chair approval | public review complete | Review ends Dec. 23 | y | ||||
| "May Be Ops" (for CFI, etc.) | Zimops | Stable | Y | U | Unpriv HC (Andrew Waterman) | N/A | Q1'23 | N/A | AR approval | start | 08/22. need github spec | n | |||
| Zihintntl | Plan | Y | P | Priv HC (Andrew Waterman) | N/A | Q1'23 | N/A | acceptance criteria complete | start | Update needed. | y | ||||
| Zbpbo, Zpn, Zpsfoperand, P | New | N | U | Unpriv HC (Kevin Chen) | Packed SIMD | ? | start | start | start | n | |||||
| Zjid | Stable | N | P | Priv HC (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 | Stable | N | P | Priv HC (Martin Maas) | Pointer Masking | Q4'22 | N/A - Grandfathered | AR approval | start | Update needed on waivers for Sail. | ? | ||||
Profiles
| Shcounterenw, Shvstvala, Shtvala, Shvstvecd, Shvsatpa, Shgatpa, Ssstateen, Ssptead, Sstvala, Sstvecd, Sstvecv, Ssu64xl, Svbare, Za128rs, Za64rs, Ziccamoa, Ziccif, Zicclsm, Ziccrse, Zic64b | Public Review | 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 HC (krste) | N/A | Q3'22 | Q4'22 | N/A | complete | committee chair approval | n | ||||
| Smrnmi | Plan | Y | P | Priv HC (Krste/Greg) | N/A | Q1'23 | N/A | acceptance criteria complete | start | n | |||||
| Misc. basic Scalar FP | Zfa | Plan | Y | U | Unpriv HC (Andrew Waterman) | N/A | Q4'22 | Q1'23 | N/A | acceptance criteria complete | start | y | |||
Shadow Stacks and Landing Pads
| Zisslpcfi | Plan | N | U + P | (George, Ved) | SS-LP-CFI | Q4'22 | Q3'23 | Q3'23tech chairs approval | 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 | Public Review Complete | Y | U | Unpriv HC (Earl Killian) | N/A | Q3'22 | Q4'22 | N/A | complete | committee chair approval | ? | |||
Vector Crypto
| Zvkb, Zvkg, Zvknha, Zvknhb, Zvkns, Zvksed, Zvksh | Stable | N | U | Unpriv HC | Cryptographic Extensions | Q4'22 | Q1'23 | Complete | AR Approval | start | SAIL & ACT Waiver | y | ||
Vector Crypto - all-rounds AES
| Zvknf | Stable | N | U | Unpriv HC | Cryptographic Extensions | TBD | Complete | AR Approval | start | SAIL & ACT Waiver | n | |||
Vector IEEE FP16 Min Support, Arithmetic | Zvfh, Zvfhmin | Stable | Y | U | Unpriv HC (Krste) | N/A | Q4'22 | N/A | committee chair approval | start | Blanket waiver | y |
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
ACPI
| New | Software HC (Sunil VL) | Q2'22 | review by chairs | |||||||
Application Processor-Trusted Execution Environment (AP-TEE)
| New | Security HC (Suresh Sugumar, Ravi Sahita) | AP-TEE | review by chairs | |||||||
Architectural Test Requirements
| New | ISA Infrastructure HC | Architecture Test SIG?? | review by chairs | |||||||
IOMMU
| Plan | SOC Infrastructure HC (Ved Shanbhogue, Perrine Peresse) | IOMMU | Q1'23 | complete | AR approval | |||||
IOPMP | New | Security HC | IOPMP | Q1'23 | review by chairs | ||||||
Nexus Trace (control)
| New | SOC Infrastructure HC (Robert Chylla) | Nexus Trace | review by chairs | |||||||
Platforms
| New | review by chairs | |||||||||
PLIC
| Public Review Complete | Privileged Software HC (Abner Chang) | Q3'22 | Q4'22 | complete | complete | AR approval |
| |||
Security Model
| New | Security HC (Suresh Sugumar, Ravi Sahita) | Security Model | plan review by chairs | |||||||
Unified Discovery (Config)
| New | Privileged Software HC (Irma Flores-Mendoza | Unified Discovery | Q3'22 | plan review by chairs |
| |||||
Watchdog Timer
| New | Privileged Software HC | plan review by chairs | ||||||||
| Cache and Memory Controller QoS Register Interface (CMQRI) | New | SOC Infrastructure HC (Eric Shiu, Ambika Krishnamoorthy) | CMQRI | plan review by chairs |
|
...
- start
- send out for public review
- public review complete
- acceptance criteria complete
- committee chair approval
- TSC approval
- BOD approval
- ratified
- complete (nothing else to do)
**** State values:
- New
- Plan
- Stable
- Frozen
- Public Review
- Public Review Complete
- Ratified
Ratified
2022
ISA Specifications
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Overview
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