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In-process ISA Specifications

Ratification Package 

Image Modified: Project repo
Image Modified: Plan doc
Image Modified: Status chklist

extensions included


Fast TrackPriv / UnprivCommittee (Owner)Task GroupPlan Milestone Target DateFreeze Milestone Target DateRatification Milestone Target DatePlan
Milestone Next Step*		Freeze
Milestone Next Step**		Ratification
Milestone Next
STep
Step***Notes / Last UpdatedIn RVA2023 profile as mandatory or supported optional

Advanced Interrupt Architecture (AIA)

Image Modified Image Modified Image Modified


NPPriv HC
(John Hauser, Anup Patel)		AIA
Q4'22

Q1'23

Plan Complete
complete

acceptance criteria complete

start


08/22y

Code Size Reduction 

Image ModifiedImage ModifiedImage Modified

Zca, Zcb, Zcd, Zcf, Zcmp, ZcmtNU

Unpriv HC

(Tariq Kurd)		Code Size Reduction
Q4'22Q1'23
N/A - Grandfatheredcommittee chair
grandfathered

AR approval

start
  • SAIL/ACT Waivers
  • Updated: 09/23
n

Debug

Image Modified Image Modified Image Modified


N

PPriv HC
(Tim Newsom)		Debug TG
Q2'23
Plan Development

review by chairs
start08/22n

Fast Interrupt 

Image Modified Image Modified Image Modified

ClicNPPriv HC
(Dan Smathers)		Fast Interrupts
Q4'22
Plan Development

review by chairsacceptance criteria complete
Freeze Arch Review Requested
start08/22n

Hardware Updating of PTE A/D Bits 

Image ModifiedImage Modified

SvaduYPPriv HC
(Krste/Greg)		N/A
?Q4'22N/A
Freeze Arch Review Complete

acceptance criteria complete


start09/28

Counters Image Modified

Zicntr, ZihpmYUUnpriv HC
(Earl Killian)		N/A
Q4'22
N/A
Freeze Arch Review Complete

acceptance criteria complete

start08/22y
"May Be Ops" (for CFI, etc.) ZimopsYUUnpriv HC
(Andrew Waterman)		N/A
Q4'22
N/A

Pending RVI Review

Arch Review In Process

AR approval

start08/22n

Non Temporal Locality Hint

ZihintntlYPPriv HC
(Andrew Waterman)		N/A
Q4'22
N/A
Freeze Arch Review Complete
acceptance criteria completestart08/22y

Packed SIMD 

Image Modified

(Zpn, Zpsfoperand, Zprvsfextra)NUUnpriv HC
(Kevin Chen)		Packed SIMD
?
N/A - Grandfathered
Freeze Arch Review Requested
AR approvalstart08/22n

Pointer masking

Image ModifiedImage Modified

ZjpmNPPriv HC
(Martin Maas)		Pointer Masking
Q4'22
N/A - Grandfathered
Freeze Arch Review Requested
AR approvalstart9/1?

Profiles

Image Modified Image Modified Image Modified

Ssptead, Sstvala, Sstvecd, Sstvecv, Ssu32xl, Ssu64xl, Svbare, Za1286, Za64rs, Ziccamoa, Ziccif, Zicclsm, ZiccrseNUTSC
(Krste/Greg)		Profiles TG
Q4'22

Internal Review Complete 6/7

TSC Review Complete 6/21

Plan Complete
completeAR approval 
Freeze Complete 
start
09/01

being updated. 10/11

y

Quality of Service ID
Image Modified

QIDYP

Priv HC

(Ved Shanbhogue)

N/A
Q3'22Q4'22N/A
start08/22n

Reduced integer bases 

Image ModifiedImage Modified

RV32E/RV64EYUUnpriv HC
(???)		N/A
?
N/AFreeze Arch Review CompletestartPublic review ends Oct 6 (updated: 08/22)n

Resumable Non-maskable Interrupts 

Image Modified

SmrnmiYPPriv HC
(Krste/Greg)		N/A
Q4'22
N/AFreeze Arch Review Almost Completestart08/22n
Misc. basic Scalar FPZfaYUUnpriv HC
(Andrew Waterman)		N/A
Q3'22
N/AFreeze Arch Review In Processstart08/22y

Total Store Ordering (Ztso)

Image Modified


YUUnpriv HC
(Earl Killian)		N/A
Q2'22Q3'22N/A

Freeze  Complete

in public reviewReview ends 3 Oct. (updated: 08/22)?

Vector Crypto (Zvk)

Image Modified Image Modified Image Modified


NU

Unpriv HC
(Ken Dockser)

Cryptographic Extensions
Plan Complete



complete
start08/22y
Vector IEEE FP16 Min Support (Zvfmin)
YUUnpriv HC
(Andrew Waterman)		N/A
Q4'22
N/AFreeze Arch Review Requestedstart08/22y
Vector IEEE FP16 Arithmetic (Zvf)
YUUnpriv HC
(Andrew Waterman)		N/A
Q4'22
N/AFreeze Arch Review RequestedstartUpdated: 09/14y

Wait on Reservation Set (Zawrs)

Image Modified Image Modified


YU

Unpriv HC
(Ved Shanbhogue)

N/A
Q2'22Q3'22N/A

Freeze Complete

TSC approval

Updated: 09/22

y


In-process Non-ISA Specifications

TG TG TGPrivileged Software HC

Specification

: Project repo
: Plan doc
: Status chklist

Committee (Owner)Task GroupPlan Milestone Target DateFreeze Milestone Target DateRatification Milestone Target DatePlan
Milestone Status*		Freeze
Milestone Status**		Ratification
Milestone Status***		Notes / Last Updated

ACPI

  

Software HC
(Sunil VL)

Q2'22
Plan Development


Application Processor-Trusted Execution Environment (AP-TEE)

  

Security HC
(Suresh Sugumar, Ravi Sahita)		AP-TEE TG


Plan Development

08/22

Architectural Test Requirements

  

ISA  Infrastructure HC
(Allen Baum)

Architecture Test SIG??


Plan Development


IOMMU

  

SOC Infrastructure HC
(Ved Shanbhogue)		IOMMU
Q3'22
Plan Complete

08/31

IOPMP


Security HC
(Paul Ku)

IOPMP
Q2'22
Plan Development

08/22

Nexus Trace (control)

  

SOC Infrastructure HC
(Robert Chylla)		Nexus Trace


Plan Development

08/22

Platforms

  

Platforms HSC
(??)




Plan Development


PLIC

  

Privileged Software HC
(Abner Chang)

Q2'22Q3'22Plan Complete

Freeze Complete

Public Review In Process
  • No waivers
  • Review ends 16 Oct.
  • 9/6

psABI

  

Privileged Software HCpsABI TG
(Kito Cheng, Jessica Clarke)

psABI
Q2'22Q3'22Plan Complete

Freeze Complete

TSC Sign-Off Voting

  • No waivers
  • updated 9/26

Security Model

  

Security Model TGHC
(Suresh Sugumar, Ravi Sahita)		Security Model


Plan Development

08/22

Unified Discovery (Config)

  

Privileged Software HCUnified Discovery TG
(Irma Flores-Mendoza		Unified Discovery
Q3'22
Plan Development

08/22

Watchdog Timer

  

Privileged Software HC?? TG
(Greg Favor, Anup Patel)





Plan Development


...

The following steps and associated next sequential steps for the milestones listed in the tables above may be parallelized at times, but are most simply thought of as a sequential set.  They are as follows:

* Plan Milestone Status next Steps:

  1. start
  2. plan review by chairs
  3. completePlan Development → Plan Review Requested → Plan Complete

** Freeze Milestone next step:

  1. start
  2. spec development - stable
  3. AR approval (ISA/SW AR)
  4. acceptance criteria complete (including waivers, ar approval)
  5. committee chair approval
  6. frozen
  7. complete

...