Page History

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Supervisor Counter Delegation

Image Removed Image Removed

01 Feb 2023

Ratification Package

: Project repo
: Plan doc
: Status chklist

extensions included

Task group approved by TSC date or Fast Track approved by AR 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

Anchor

	AIA_Row
	AIA_Row

Advanced Interrupt Architecture (AIA)

Smaia, Ssaia

12 Aug 2021

Public Review Complete

N

P

Priv IC
(John Hauser, Anup Patel)

AIA

1Q'22

Q4'22

Q1'23

complete

committee chair approval

24 Jan 2023

Blanket waivers
Public review ended Dec. 24

y

Anchor

	BFloat16_Row
	BFloat16_Row

Bfloat16

Zfbfmin, Zvfbfmin, Zvfbfwma

Plan Complete

Y

U

Unpriv IC

(Ken Dockser)

N/A

Q1'23

N/A

acceptance criteria complete

24 Jan 2023

Anchor

	CMQRI_Row
	CMQRI_Row

Cache and Memory Controller QoS Register Interface (CMQRI)

Ssqosid

06 Oct 2022

Plan Complete

N

P

SOC Infrastructure HC (Eric Shiu, Ambika Krishnamoorthy)

CMQRI

4Q'22

Q2'23

Q3'23

complete

acceptance criteria complete

10 Jan 2023

Anchor

	CodeSize_Row
	CodeSize_Row

Code Size Reduction

Zca, Zcb, Zcd, Zcf, Zcmp, Zcmt

2021

Frozen

N

U

Unpriv IC

(Tariq Kurd)

Code Size Reduction

N/A

Q1'23

N/A - Grandfathered

complete

public review start

18 Jan 2023

SAIL/ACT Waivers

ABI issues resolved.

SW PoC work remains.

n

Anchor

	CondOps_Row
	CondOps_Row

Conditional Ops

Zicond

17 Oct 2022

Plan Complete

Y

U

Unpriv IC
(Ved)

N/A

Q1'23

Q2'23

complete

acceptance criteria complete

18 Jan 2023

Anchor

	Counters_Row
	Counters_Row

Counters

Zicntr, Zihpm

12 Jul 2022

Public Review Complete

Y

U

Unpriv IC
(Earl Killian)

N/A

Q4'22

Q1'23

N/A

complete

TSC approval

06 Feb 2023

y

Anchor

	Debug_Row
	Debug_Row

Debug

Sdext, Sdtrig

2020

Plan Complete

N

P

Priv IC
(Tim Newsome)

Debug TG

Q1'23

Q2'23

Q3'23

complete

acceptance criteria complete

start

25 Jan 2023

n

Anchor

	FastInt_Row
	FastInt_Row

Fast Interrupt

Smclic, Ssclic, Suclic, Smclicshv, Smclicconfig

2020

Plan Complete

N

P

Priv IC
(Dan Smathers)

Fast Interrupts

N/A

Q3'23

N/A

spec development - stable

start

18 Jan 2023

n

Anchor

	Svadu_Row
	Svadu_Row

Hardware Updating of PTE A/D Bits

Svadu

17 Oct 2022

Plan Complete

Y

P

Priv IC
(Ved)

N/A

Q1'23

N/A

acceptance criteria complete

start

11 Oct 2022

Anchor

	Zimop_Row
	Zimop_Row

"May Be Ops" (for CFI, etc.)

Zimop

17 Oct 2022

Stable

Y

U

Unpriv IC
(Andrew Waterman)

N/A

Q1'23

N/A

AR approval

start

25 Jan 2023

Need github spec
Andrew re-visiting design in context of CFI proposals.

n

Anchor

	Zihintntl_Row
	Zihintntl_Row

Non Temporal Locality Hint

Zihintntl

17 Oct 2022

Plan Complete

Y

P

Priv IC
(Andrew Waterman)

N/A

Q1'23

N/A

committee chair approval

start

24 Jan 2023

y

Anchor

	PackedSIMD_Row
	PackedSIMD_Row

Packed SIMD

Zbpbo, Zpn, Zpsfoperand, P

2020

New

N

U

Unpriv IC
(Kevin Chen)

Packed SIMD

start

11 Oct 2022

n

Anchor

	Zjid_Row
	Zjid_Row

Instruction/Data Consistency

Zjid

2020

Stable

N

P

Priv IC
(Martin Maas)

I/D Consistency

N/A

Q1'23

N/A - Grandfathered

AR approval

start

07 Nov 2022

Spec in slide form, needs to be translated into write-up.

?

Anchor

	PointerMasking_Row
	PointerMasking_Row

Pointer masking

Zjpm

2020

Stable

N

P

Priv IC
(Martin Maas)

Pointer Masking

Q1'23

complete

AR approval

start

10 Jan 2023

Waivers requested for SAIL and ACT.

?

Anchor

	Profiles_Row
	Profiles_Row

Profiles

Shcounterenw, Shvstvala, Shtvala, Shvstvecd, Shvsatpa, Shgatpa, Sscounterenw, Ssstateen, Sstvala, Sstvecd, Sstvecv, Ssu64xl, Svade, Svbare, Za128rs, Za64rs, Ziccamoa, Ziccif, Zicclsm, Ziccrse, Zic64b

26 Apr 2022

Public Review Complete

N

U

TSC
(Krste/Greg)

Profiles TG

Q2'22

Q4'22

Q1'23

complete

committee chair approval

30 Jan 2023

y

Anchor

	RASCauseCode_Row
	RASCauseCode_Row

RAS Cause Code

Ssecorrupt

Plan Complete

Y

U

Unpriv IC
(Ved)

N/A

Q1'23

N/A

acceptance criteria complete

24 Jan 2023

Anchor

	Smrnmi_Row
	Smrnmi_Row

Resumable Non-maskable Interrupts

Smrnmi

17 Oct 2022

Plan Complete

Y

P

Priv IC
(Andrew Waterman)

N/A

Q1'23

N/A

acceptance criteria complete

start

24 Jan 2023

n

Anchor

	Zfa_Row
	Zfa_Row

Misc. basic Scalar FP

Zfa

17 Oct 2022

Plan Complete

Y

U

Unpriv IC
(Andrew Waterman)

N/A

Q4'22

Q1'23

N/A

acceptance criteria complete

start

24 Jan 2023

y

Anchor

	SSLP_Row
	SSLP_Row

Shadow Stacks and Landing Pads

Zisslpcfi

11 Aug 2022

Plan Complete

N

U + P

Unpriv IC + Priv IC

(George, Ved)

SS-LP-CFI

Q4'22

Q3'23

Complete

start

09 Nov 2022

n

Anchor

	Sscdeleg_Row
	Sscdeleg_Row

Supervisor Counter Delegation

Image Added Image Added

Sscdeleg

31 Jan 2023

New

Y

P

Priv IC
(Beeman Strong)

N/A
(Fast Track)

N/A

Start

01 Feb 2023

Anchor

	SPMP_Row
	SPMP_Row

S-mode PMP

Sspmp

29 Aug 2022

New

N

P

Security HC
(Dong Du)

S-Mode Physical Memory Protection

Q1'23

Q3'23

Q4'23

N/A

30 Jan 2023

n

Anchor

	VectorCrypto_Row
	VectorCrypto_Row

Vector Crypto

Zvkb, Zvkg, Zvknha, Zvknhb, Zvkns, Zvksed, Zvksh

04 May 2022

Stable

N

U

Unpriv IC
(Ken Dockser)

Cryptographic Extensions

3Q'22

Q4'22

Q1'23

Complete

AR Approval

start

24 Jan 2023

SAIL & ACT Waiver

y

Anchor

	VCAllRounds_Row
	VCAllRounds_Row

Vector Crypto - all-rounds AES

Zvknf

04 May 2022

Stable

N

U

Unpriv IC
(Ken Dockser)

Cryptographic Extensions

3Q'22

TBD

Complete

AR Approval

start

09 Nov 2022

SAIL & ACT Waiver

n

Anchor

	Zvfh_Row
	Zvfh_Row

Vector IEEE FP16 Min Support, Arithmetic

Zvfh, Zvfhmin

17 Oct 2022

Frozen

Y

U

Unpriv IC
(Krste)

N/A

Q4'22

Q1'23

N/A

complete

Public Review complete

24 Jan 2023

Blanket waiver

Public review ends 3/10.

y

Anchor

Sscdeleg_Row

Sscdeleg

31 Jan 2023

New

Y

P

Priv IC
(Beeman Strong)

N/A
(Fast Track)

N/A

Start

In-process Non-ISA Specification Status

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Versions Compared

Old Version 242

New Version 243

Key

In-process Non-ISA Specification Status