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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 Track	Priv / Unpriv	Committee (Owner)	Task Group	Plan Milestone Target Date	Freeze Milestone Target Date	Ratification Milestone Target Date	Plan Milestone

Status

Next Step*	Freeze Milestone

Status

Next Step**	Ratification Milestone

Status

Next STep***	Notes / Last Updated	In RVA2023 profile as mandatory or supported optional
Advanced Interrupt Architecture (AIA) Image Modified Image Modified Image Modified		N	P	Priv HC (John Hauser, Anup Patel)	AIA		Q4'22	Q1'23	Plan Complete

Freeze Arch Review Complete

acceptance criteria complete

start

Waivers Requested

	08/22	y
Code Size Reduction  Image ModifiedImage ModifiedImage Modified	Zca, Zcb, Zcd, Zcf, Zcmp, Zcmt	N	U

Code Size Reduction Task Group

Unpriv HC (Tariq Kurd)

Code Size Reduction

Q4'22

Q1'23

N/A - Grandfathered

Waivers Approved

 Committee Chair Sign-Off Voting

committee chair approval	start	SAIL/ACT Waivers Updated: 09/23	n
Debug Image Modified Image Modified Image Modified		N	P

Debug TG

Priv HC (Tim Newsom)	Debug TG		Q2'23		Plan Development		start	08/22	n
Fast Interrupt

(CLIC)

Image Modified Image Modified Image Modified

Clic

N

P

Priv HC (Dan Smathers)

Fast Interrupts

Q4'22

Plan Development

Freeze Arch Review Requested

start

08/22

n

Hardware Updating of PTE A/D Bits  Image ModifiedImage Modified

Svadu

Y

P

Priv HC (Krste/Greg)

N/A

?

Q4'22

N/A

Freeze Arch Review Complete

start

09/28

Counters Image Modified

Zicntr, Zihpm

Y

U

Unpriv HC (

TBD)

Earl Killian)	N/A		Q4'22		N/A	Freeze Arch Review Complete	start	08/22	y
"May Be Ops" (for CFI, etc.)

(

Zimops

)

Y

U

Unpriv HC (Andrew Waterman)

N/A

Q4'22

N/A

Pending RVI Review Arch Review In Process

start

08/22

n

Non Temporal Locality Hint

Zihintntl

Y

P

Priv HC (Andrew Waterman)

N/A

Q4'22

N/A

Freeze Arch Review Complete

start

08/22

y

Packed SIMD  Image Modified

(Zpn, Zpsfoperand, Zprvsfextra)

N

U

Unpriv HC (Kevin Chen)

Packed SIMD

?

N/A - Grandfathered

Freeze Arch Review Requested

start

08/22

n

Pointer masking

 (Zjpm)

Image ModifiedImage Modified

Zjpm

N

P

Priv HC (Martin Maas)

Pointer Masking

Q4'22

N/A - Grandfathered

Freeze Arch Review Requested

start

9/1

?

Profiles Image Modified Image Modified Image Modified

Ssptead, Sstvala, Sstvecd, Sstvecv, Ssu32xl, Ssu64xl, Svbare, Za1286, Za64rs, Ziccamoa, Ziccif, Zicclsm, Ziccrse

N

U

Profiles TG

TSC (Krste/Greg)

Profiles TG

Q4'22

Internal Review Complete 6/7 TSC Review Complete 6/21

Plan Complete

Freeze Complete

start

09/01

y

Quality of Service ID Image Modified

QID

Y

P

Priv HC (Ved Shanbhogue)

N/A

Q3'22

Q4'22

N/A

start

08/22

n

Reduced integer bases

(

Image AddedImage Added

RV32E/RV64E

)Image RemovedImage Removed

Y

U

Unpriv HC (???)

N/A

?

N/A

Freeze Arch Review Complete

start

Public review ends Oct 6 (updated: 08/22)

n

Resumable Non-maskable Interrupts

(Smrnmi)

Image Modified

Smrnmi

Y

P

Priv HC (Krste/Greg)

N/A

Q4'22

N/A

Freeze Arch Review Almost Complete

start

08/22

n

Misc. basic Scalar FP

(

Zfa

)

Y

U

Unpriv HC (Andrew Waterman)

N/A

Q3'22

N/A

Freeze Arch Review In Process

start

08/22

y

Total Store Ordering (Ztso) Image Modified

Y

U

Unpriv HC (Earl Killian)

N/A

Q2'22

Q3'22

N/A

Freeze  Complete

Public Review In Process

in public review	Review ends 3 Oct. (updated: 08/22)	?
Vector Crypto (Zvk) Image Modified Image Modified Image Modified		N	U

Cryptographic Extensions Task Group

Unpriv HC (Ken Dockser)

Cryptographic Extensions

Plan Complete

start

08/22

y

Vector IEEE FP16 Min Support (Zvfmin)

Y

U

Unpriv HC (Andrew Waterman)

N/A

Q4'22

N/A

Freeze Arch Review Requested

start

08/22

y

Vector IEEE FP16 Arithmetic (Zvf)

Y

U

Unpriv HC (Andrew Waterman)

N/A

Q4'22

N/A

Freeze Arch Review Requested

start

Updated: 09/14

y

Wait on Reservation Set (Zawrs) Image Modified Image Modified

Y

U

Unpriv HC (Ved Shanbhogue)

N/A

Q2'22

Q3'22

N/A

Freeze Complete

TSC

Sign-Off Voting

approval

Updated: 09/22

y

In-process Non-ISA Specifications

Status Key

The following steps and associated states 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:

...

1. Plan Development → Plan Review Requested → Plan Complete

** Freeze Milestone Status Stepsnext step:

1. start
2. spec development - stable
3. acceptance criteria complete (including waivers, ar approval)
4. committee chair approval
5. frozen
6. complete
7. Specification Development → Specification Stable
8. Freeze Arch Review Requested → Freeze Arch Review In Process → Freeze Arch Review Complete
9. Waivers Requested → Waiver Voting → Waivers Approved
10. Committee Chair Sign-Off Requested → Committee Chair Sign-Off Voting → Committee Chair Sign-Off Complete →
Freeze Complete

*** Ratification Milestone Status Steps:next step (don't start until freeze is complete):

1. start
2. send out for public review
3. public review complete
4. acceptance criteria complete
5. committee chair approval
6. TSC approval
7. BOD approval
8. ratified
9. complete
10. Public Review In Process  → Public Review Complete
11. Final Arch Review Requested → Final Arch Review In Process → Final Arch Review Complete
12. Committee Chair Sign-Off Requested → Committee Chair Sign-Off Voting → Committee Chair Sign-Off Complete
13. TSC Sign-Off Voting → TSC Sign-Off Complete
Ratification (BoD Vote) Voting → Ratification (BoD Vote) Complete

Ratified

2022

ISA Specifications

...