RISC-V Exchange: Cores &amp; SoCs

RV32

1.11

RV32E[M]C/RV32I[M]C

SystemVerilog

IQonIC Works Commercial License

RV32IC_P5

IQonIC Works

RV32

1.11

RV32I[M][N][A]C

SystemVerilog

IQonIC Works Commercial License

RV32EC_FMP5

IQonIC Works

RV32

Custom

RV32EC

SystemVerilog

IQonIC Works Commercial License

rocket

SiFive, UCB Bar

RV32

1.11-draft

2.3-draft

Chisel

BSD

freedom

SiFive

RV32,RV64

1.11-draft

2.3-draft

Chisel

BSD

Berkeley Out-of-Order Machine (BOOM)

UCB BAR

RV64

1.11-draft

2.3-draft

Chisel

BSD

CV32E40P

OpenHW Group

RV32

1.11

RV32IM[F]C

SystemVerilog

Solderpad Hardware License v. 0.51

Ibex (formerly Zero-riscy)

lowRISC

RV32

1.11

RV32I[M]C/RV32E[M]C

SystemVerilog

Apache 2.0

CVA6

OpenHW Group

RV32,RV64

1.11

RV[32/64]GC

SystemVerilog

Solderpad Hardware License v. 0.51

Riscy Processors

MIT CSAIL CSG

RV32,RV64

Bluespec

MIT

RiscyOO

MIT CSAIL CSG

RV64

1.10

RV64IMAFD

Bluespec

MIT

Lizard

Cornell CSL BRG

RV64

RV64IM

PyMTL

BSD

Minerva

LambdaConcept

RV32

1.10

RV32I

nMigen

BSD

OPenV/mriscv

OnChipUIS

RV32

RV32I(?)

Verilog

MIT

VexRiscv

SpinalHDL

RV32

1.10

RV32I/E[M][A][F[D]][C]

SpinalHDL

MIT

VexRiscv Plugins for B and K

Romain Dolbeau

RV32

N/A

RV32[B][K] for the VexRiscV core

SpinalHDL

MIT

Roa Logic RV12

Roa Logic

RV32

1.9.1

2.1

SystemVerilog

Non-Commercial License

SCR1

Syntacore

RV32

1.10

2.2, RV32I/E[MC]

SystemVerilog

SHL v. 2.0

SCR3

Syntacore

RV32,RV64

1.10

RV[32/64]IMC[A], 2.2, milticore

SystemVerilog

commercial

SCR4

Syntacore

RV32,RV64

1.10

RV[32/64]IMCF[DA], 2.2, milticore

SystemVerilog

commercial

SCR5

Syntacore

RV32,RV64

1.10

RV[32/64]IMC[FDA], 2.2, milticore

SystemVerilog

commercial

SCR7

Syntacore

RV64

1.10

RV64GC, 2.2, milticore

SystemVerilog

commercial

Hummingbird E200

Bob Hu

RV32

1.10

2.2, RV32IMAC

Verilog

Apache 2.0

Shakti

IIT Madras

Website,GitLab

RV64

1.11

2.2, RV64IMAFDC

Bluespec

BSD

ReonV

Lucas Castro

RV32

VHDL

GPL v3

PicoRV32

Clifford Wolf

RV32

RV32I/E[MC]

Verilog

ISC

MR1

Tom Verbeure

RV32

RV32I

SpinalHDL

Unlicense

SERV

Olof Kindgren

RV32

RV32I

Verilog

ISC

SweRV EH1

Western Digital Corporation

RV32

1.11

2.1, RV32IMC

SystemVerilog

Apache 2.0

SweRV EL2

Western Digital Corporation

RV32

1.11

2.1, RV32IMC

SystemVerilog

Apache 2.0

SweRV EH2

Western Digital Corporation

RV32

1.11

2.1, RV32IMAC

SystemVerilog

Apache 2.0

biRISC-V

UltraEmbedded

RV32

1.11

RV32I[M]

Verilog

Apache 2.0

Reve-R

Gavin Stark

RV32

1.10

RV32IMAC

CDL

Apache 2.0

L10

Codasip

RV32

1.0

RV32EMC

Verilog

Codasip EULA

L30

Codasip

RV32

1.0

RV32IMC

Verilog

Codasip EULA

L30F

Codasip

RV32

1.0

RV32IMFC

Verilog

Codasip EULA

L50

Codasip

RV32

1.0

RV32IMC

Verilog

Codasip EULA

L50F

Codasip

RV32

1.0

RV32IMFC

Verilog

Codasip EULA

H50X

Codasip

RV64

1.0

RV64IMC

Verilog

Codasip EULA

H50XF

Codasip

RV64

1.0

RV64IMFDC

Verilog

Codasip EULA

A70X

Codasip

RV64

1.0

RV64IMAFDC

Verilog

Codasip EULA

DarkRISCV

Darklife

RV32

most of RV32I

Verilog

BSD

RPU

Domipheus Labs

RV32

RV32I

VHDL

Apache 2.0

RV01

Stefano Tonello

OpenCores

RV32

1.7

2.1, RV32IM

VHDL

LPGL

N22

Andes

RV32

1.11

RV32IMAC/EMAC + Andes V5/V5e ext.

Verilog

Andes FreeStart IPEA

N25F

Andes

RV32

1.11

RV32GC + Andes V5 ext.

Verilog

Andes Commercial License

D25F

Andes

RV32

1.11

RV32GCP + Andes V5 ext.

Verilog

Andes Commercial License

A25

Andes

RV32

1.11

RV32GCP + Sv32 + Andes V5 ext.

Verilog

Andes Commercial License

A25MP

Andes

RV32

1.11

RV32GCP + Sv32 + Andes V5 ext. + Multi-core

Verilog

Andes Commercial License

NX25F

Andes

RV64

1.11

RV64GC + Andes V5 ext.

Verilog

Andes Commercial License

AX25

Andes

RV64

1.11

RV64GCP + Sv39/48 + Andes V5 ext.

Verilog

Andes Commercial License

AX25MP

Andes

RV64

1.11

RV64GCP + Sv39/48 + Andes V5 ext. + Multi-core

Verilog

Andes Commercial License

A27

Andes

RV32

1.11

RV32GCP + Sv32 + Andes V5 ext.

Verilog

Andes Commercial License

A27L2

Andes

RV32

1.11

RV32GCP + Sv39/48 + Andes V5 ext.

Verilog

Andes Commercial License

AX27

Andes

RV64

1.11

RV64GCP + Sv39/48 + Andes V5 ext.

Verilog

Andes Commercial License

AX27L2

Andes

RV64

1.11

RV64GCP + Sv39/48 + Andes V5 ext.

Verilog

Andes Commercial License

NX27V

Andes

RV64

1.11

RV64GCPV

Verilog

Andes Commercial License

N45

Andes

RV32

1.11

RV32GC + Andes V5 ext.

Verilog

Andes Commercial License

D45

Andes

RV32

1.11

RV32GCP + Andes V5 ext.

Verilog

Andes Commercial License

NX45

Andes

RV64

1.11

RV64GC + Andes V5 ext.

Verilog

Andes Commercial License

A45

Andes

RV32

1.11

RV32GCP + Sv32 + Andes V5 ext.

Verilog

Andes Commercial License

AX45

Andes

RV64

1.11

RV64GCP + Sv39/48 + Andes V5 ext.

Verilog

Andes Commercial License

Instant SoC

FPGA Cores

RV32

RV32IM

VHDL

Free Non Commercial

Taiga

Reconfigurable Computing Lab, Simon Fraser University

GitLab

RV32

RV32IMA

SystemVerilog

Apache 2.0

Maestro

João Chrisóstomo

RV32

RV32I

VHDL

MIT

XuanTie C910

T-Head (Alibaba group)

RV64

1.10

RV64GCV + SV39 + ISA Extension + Memory model Extension + multi-core & multi-cluster(16 cores maximum)

Verilog

Alibaba commercial license

XuanTie C906

T-Head (Alibaba group)

RV64

1.10

RV64IMA[FD]C[V] + SV39 + ISA Extension + Memory model Extension

Verilog

Alibaba commercial license

XuanTie E906

T-Head (Alibaba group)

RV32

1.10

RV32IMA[F][D]C + ISA Extension

Verilog

Alibaba commercial license

XuanTie E902

T-Head (Alibaba group)

RV32

1.10

RV32EMC/IMC/EC

Verilog

Alibaba commercial license

BM-310

CloudBEAR

RV32

1.10

RV32IMC

SystemVerilog

CloudBEAR Commercial License

BI-350

CloudBEAR

RV32

1.10

RV32IMAFC + multi-core

SystemVerilog

CloudBEAR Commercial License

BI-651

CloudBEAR

RV64

1.10

RV64GC + multi-core

SystemVerilog

CloudBEAR Commercial License

BI-671

CloudBEAR

RV64

1.10

RV64GC + multi-core

SystemVerilog

CloudBEAR Commercial License

SSRV

risclite

RV32

1.10

RV32IMC

Verilog

Apache 2.0

Tinyriscv

Blue Liang

RV32

2.1, RV32I

Verilog

Apache 2.0

RSD

rsd-devel

RV32

RV32IM

SystemVerilog

Apache 2.0

Pluto

PQShield

RV32

1.11

RV32I[M][C] / RV32E[M][C] + Crypto Functions

Verilog

PQShield Commercial License

SiFive

RV32

1.11

RV32I(E)MAFC 2.2

Verilog

SiFive commercial license

SiFive

RV64

1.11

RV64GC 2.2

Verilog

SiFive commercial license

SiFive

RV32

1.11

RV32I(E)MAFDC 2.2

Verilog

SiFive commercial license

SiFive

RV64

1.11

RV64GC 2.2

Verilog

SiFive commercial license

SiFive

RV64

1.11

RV64GC 2.2

Verilog

SiFive commercial license

SiFive

RV32

1.11

RV32I(E)MAFDC 2.2

Verilog

SiFive commercial license

SiFive

RV64

1.11

RV64GC 2.2

Verilog

SiFive commercial license

SiFive

RV64

1.11

RV64GC 2.2

Verilog

SiFive commercial license

Kronos

Sonal Pinto

RV32

RV32I

SystemVerilog

Apache 2.0

N100

Nuclei

RV32

1.11

RV32EC

Verilog

Nuclei commercial license

N200

Nuclei

RV32

1.11

RV32IC(E)(M)(A)

Verilog

Nuclei commercial license

N300

Nuclei

RV32

1.11

RV32IMAC(F)(D)(P)

Verilog

Nuclei commercial license

N600

Nuclei

RV32

1.11

RV32IMAC(F)(D)(P)

Verilog

Nuclei commercial license

NX600

Nuclei

RV32

1.11

RV64IMAC(F)(D)(P)

Verilog

Nuclei commercial license

UX600

Nuclei

RV64

1.11

RV64IMAC(F)(D)(P) + MMU-SV39

Verilog

Nuclei commercial license

WH32

UC Techip

RV32

1.10

RV32GCX

Chisel

UC Techip Commercial License

WARP-V

Steve Hoover, Redwood EDA

RV32

RV32I[M][F]

TL-Verilog

BSD

NEORV32

Stephan Nolting

RV32

1.12-draft

RV32[I/E][M][A][C][Zfinx][Zicsr][Zifencei]

VHDL

BSD

Steel

Rafael Calcada

RV32

1.11

RV32IZicsr

Verilog

MIT License

Klessydra-T13

Digital Systems Lab at Sapienza University of Rome

RV32

1.11

RV32[I/E][M][A] + Kless-Vect

VHDL-2008

Solderpad Hardware License v. 0.51

Klessydra-T03

Digital Systems Lab at Sapienza University of Rome

RV32

1.11

RV32I[A]

VHDL-2008

Solderpad Hardware License v. 0.51

Klessydra-T02

Digital Systems Lab at Sapienza University of Rome

RV32

1.11

RV32I[A]

VHDL-2008

Solderpad Hardware License v. 0.51

Klessydra-F03

Digital Systems Lab at Sapienza University of Rome

RV32

1.11

RV32I[A]

VHDL-2008

Solderpad Hardware License v. 0.51

MYTH Cores

MYTH Workshop students

RV32

RV32I

TL-Verilog

BSD

Starsea_riscv

Starsea

RV32

RV32I

Verilog

Apache 2.0

VEGA

C-DAC

RV32, RV64

1.10

2.2, RV[32/64]IMA[F][D][C], Multi-core

Bluespec

commercial

NutShell

UCAS & ICT,CAS

RV64

1.11

RV64IMAC

Chisel

Mulan Permissive Software License V2

NOEL-V

Cobham Gaisler

RV32,RV64

1.11

RV32GC,RV64GC

VHDL

GPL, Commercial

Avispado

SemiDynamics

RV64

1.10

RV64GC, 2.2, multicore, V-ready

SystemVerilog

Commercial

Atrevido

SemiDynamics

RV64

1.10

RV64GC, 2.2, multicore, V-ready

SystemVerilog

Commercial

EMSA5-FS

Fraunhofer IPMS

Distribution, Website

RV32

1.11

RV32I(E)[M][C][Zicsr][Zifencei] + ISO 26262 pre certification

SystemVerilog

Commercial

Name	Supplier	Links	Capability	Core	License
Rocket Chip	SiFive, UCB BAR	GitHub,Simulator	RV32	Rocket	BSD
LowRISC	lowRISC	GitHub	RV32	RV32IM	BSD
PULPino	ETH Zurich, Università di Bologna	Website,GitHub	RV32	RI5CY, Zero-riscy	Solderpad Hardware License v. 0.51
PULPissimo	ETH Zurich, Università di Bologna	Website,GitHub	RV32	RI5CY, Zero-riscy	Solderpad Hardware License v. 0.51
Ariane SoC	ETH Zurich, Università di Bologna	Website,GitHub	RV64	Ariane	Solderpad Hardware License v. 0.51
OPENPULP	ETH Zurich, Università di Bologna	Website,GitHub	RV32	RI5CY, Zero-riscy	Solderpad Hardware License v. 0.51
HERO	ETH Zurich, Università di Bologna	Website,GitHub	RV32	RI5CY, Zero-riscy	Solderpad Hardware License v. 0.51
OpenPiton + Ariane	Princeton Parallel Group, ETH Zurich, Università di Bologna	Website,GitHub	RV64	Ariane	Solderpad Hardware License v. 0.51, BSD
Briey	SpinalHDL	GitHub	RV32	VexRiscv	MIT
Riscy	AleksandarKostovic	GitHub	RV64	RV64I	MIT
Raven	RTimothyEdwards, mkkassem (efabless.com)	GitHub	RV32	PicoRV32	ISC
PicoSoC	Clifford Wolf	GitHub	RV32	PicoRV32	ISC
Icicle	Graham Edgecombe	GitHub	RV32	RV32I	ISC
MIV RV32IMA L1 AHB	Microchip	Documentation, IDE, Development Environment	RV32	Rocket RV32IMA	Apache 2.0
MIV RV32IMA L1 AXI	Microchip	Documentation, IDE, Development Environment	RV32	Rocket RV32IMA	Apache 2.0
MIV RV32IMAF L1 AHB	Microchip	Documentation, IDE, Development Environment	RV32	Rocket RV32IMAF	Apache 2.0
MIV RV32IMC	Microchip	Documentation, IDE, Development Environment	RV32	Submicron RV32I, RV32IC, RV32IM, RV32IMC	Apache 2.0
FreeStart AE250	Andes	Website	RV32	N22	Andes FreeStart: Free for Evaluation
Standard AE250	Andes	Website, IDE	RV32	N22	Andes Commerical License
AE350	Andes	Website, IDE	RV32,RV64	N25F, D25F, A25, A25MP, NX25, AX25, AX25MP, A27, A27L2, AX27, AX27L2, N45, D45, A45, NX45, AX45	Andes Commerical License
SCR1 SDK	Syntacore	GitHub	RV32	SCR1, SCRx	SHL 2.0
ESP	SLD Group, Columbia University	Website, GitHub	RV64	Ariane	Apache 2.0
Chipyard	UCB BAR	GitHub,Documentation	RV64	Rocket, BOOM	BSD
PQSoC	PQShield	Website	RV32	Pluto	PQShield Commercial License
KRZ	Sonal Pinto	GitHub	RV32	Kronos	Apache 2.0
IOb-SoC	IObundle	GitHub	RV32	PicoRV32	MIT
SweRVolf	CHIPS Alliance	GitHub	RV32	SweRV EH1, SweRV EL2	Apache 2.0
Servant	Olof Kindgren	GitHub	RV32	SERV	ISC
NEORV32 Processor	Stephan Nolting	GitHub	RV32	NEORV32	BSD
GRLIB	Cobham Gaisler	Website	RV32,RV64	NOEL-V	GPL, Commercial
LiteX	Enjoy Digital	Website, GitHub	RV32,RV64	BlackParrot, CV32E40P, Minerva, PicoRV32, Rocket, SERV, VexRiscv (SMP supported with VexRiscv)	BSD

Name

Supplier

Links

Capability

Core

License

Rocket Chip

SiFive, UCB BAR

GitHub,Simulator

RV32

Rocket

BSD

LowRISC

lowRISC

RV32

RV32IM

BSD

PULPino

ETH Zurich, Università di Bologna

RV32

RI5CY, Zero-riscy

Solderpad Hardware License v. 0.51

PULPissimo

ETH Zurich, Università di Bologna

RV32

RI5CY, Zero-riscy

Solderpad Hardware License v. 0.51

Ariane SoC

ETH Zurich, Università di Bologna

RV64

Ariane

Solderpad Hardware License v. 0.51

OPENPULP

ETH Zurich, Università di Bologna

RV32

RI5CY, Zero-riscy

Solderpad Hardware License v. 0.51

HERO

ETH Zurich, Università di Bologna

RV32

RI5CY, Zero-riscy

Solderpad Hardware License v. 0.51

OpenPiton + Ariane

Princeton Parallel Group, ETH Zurich, Università di Bologna

RV64

Ariane

Solderpad Hardware License v. 0.51, BSD

Briey

SpinalHDL

RV32

VexRiscv

MIT

Riscy

AleksandarKostovic

RV64

RV64I

MIT

Raven

RTimothyEdwards, mkkassem (efabless.com)

RV32

PicoRV32

ISC

PicoSoC

Clifford Wolf

RV32

PicoRV32

ISC

Icicle

Graham Edgecombe

RV32

RV32I

ISC

MIV RV32IMA L1 AHB

Microchip

RV32

Rocket RV32IMA

Apache 2.0

MIV RV32IMA L1 AXI

Microchip

RV32

Rocket RV32IMA

Apache 2.0

MIV RV32IMAF L1 AHB

Microchip

RV32

Rocket RV32IMAF

Apache 2.0

MIV RV32IMC

Microchip

RV32

Submicron RV32I, RV32IC, RV32IM, RV32IMC

Apache 2.0

FreeStart AE250

Andes

RV32

N22

Andes FreeStart: Free for Evaluation

Standard AE250

Andes

Website, IDE

RV32

N22

Andes Commerical License

AE350

Andes

Website, IDE

RV32,RV64

N25F, D25F, A25, A25MP, NX25, AX25, AX25MP, A27, A27L2, AX27, AX27L2, N45, D45, A45, NX45, AX45

Andes Commerical License

SCR1 SDK

Syntacore

RV32

SCR1, SCRx

SHL 2.0

ESP

SLD Group, Columbia University

Website, GitHub

RV64

Ariane

Apache 2.0

Chipyard

UCB BAR

GitHub,Documentation

RV64

Rocket, BOOM

BSD

PQSoC

PQShield

RV32

Pluto

PQShield Commercial License

KRZ

Sonal Pinto

RV32

Kronos

Apache 2.0

IOb-SoC

IObundle

RV32

PicoRV32

MIT

SweRVolf

CHIPS Alliance

RV32

SweRV EH1, SweRV EL2

Apache 2.0

Servant

Olof Kindgren

RV32

SERV

ISC

NEORV32 Processor

Stephan Nolting

RV32

NEORV32

BSD

GRLIB

Cobham Gaisler