tue1400 risc-v foundation update

FoundationUpdate5th RISC-VWorkshop

RickO’Connorrickoco@riscv.org

http://www.riscv.org

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Outline

§ RISC-VBackground§ RISC-VFoundationOverview§ FoundationStructure-MembershipUpdate

§ Summary

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RISC-VBackground

§ In2010,aftermanyyearsandmanyprojectsusingMIPS,SPARC,andx86asbasisofresearch,itwastimefortheComputerScienceteamatUCBerkeleytolookatwhatISAstousefortheirnextsetofprojects

§ Obviouschoices:x86andARM- x86impossible– toocomplex,IPissues-ARMmostlyimpossible– complex,IPissues

§ SoUCBerkeleystarted“3-monthproject”duringthesummerof2010todeveloptheirownclean-slateISA

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RISC-VBackground(cont’d)§ Fouryearslater,inMayof2014,UCBerkeleyreleasedfrozenbaseuserspec-manytapeouts andseveralresearchpublicationsalongtheway

§ ThenameRISC-V(pronouncedrisk-five),waschosentorepresentthefifthmajorRISCISAdesigneffortatUCBerkeley- RISC-I,RISC-II,SOAR,andSPURwerethefirstfourwiththeoriginalRISC-Ipublicationsdatingbackto1981

§ InAugust2015,articlesofincorporationwerefiledtocreateanon-profitRISC-VFoundationtogoverntheISA

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FoundationMissionStatement

TheRISC-VFoundation isanon-profitconsortiumcharteredtostandardize,protect,andpromotethefreeandopenRISC-Vinstructionsetarchitecturetogetherwithitshardwareandsoftwareecosystemforuseinall

computingdevices.

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RISC-VisNOTanOpen-SourceProcessor§ RISC-VisanISAspecification– NOTanopen-sourceprocessorcore

§ Mostofthecostofchipdesignisinsoftware,sowewanttomakesuresoftwarecanbereusedacrossmanychipdesigns

§ TheFoundationwillencouragebothopen-sourceandproprietaryimplementationsoftheRISC-VISAspecification

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FoundationPrinciples§ TheRISC-VISAandrelatedstandardsshallremainopenandlicense-freetoallparties.Thestandardspecificationsshallalwaysbepubliclyavailableasanonlinedownload

§ Thecompatibilitytestsuitesshallalwaysbepubliclyavailableasasourcecodedownload

§ Toprotectthestandard,onlymembers(withcommercialRISC-Vproducts)oftheFoundationingoodstandingcanuse“RISC-V”andassociatedtrademarks,andonlyfordevicesthatpassthetestsintheopen-sourcecompatibilitysuitesmaintainedbytheFoundation

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FoundationFunction§ officialsourceofinformationaboutRISC-V,maintainsanonlinerepositoryofRISC-Vdocuments,andpromotesadoptionofRISC-Vbyorganizingbothonlineandliveevents

§ responsibleforsustaining,evolvingandopen-sourcelicensingoftheRISC-Vinstructionsetarchitectureandsurroundinghardwareandsoftwareecosystemovertimeinresponsetochangesintechnologyandtheneedsandrequestsoftheusercommunity

§ manageslicensingoftheRISC-VtrademarksandprovidesavehicletodecidewhetheraprojectorproductcanusetheRISC-Vtrademark

§ maintainsadirectoryofpublic-domaininstructionsetarchitectureandmicro-architecturaltechniques,culledfrompublicationsandexpiredpatents

§ producesandsellsRISC-Vpromotionalmaterial,theproceedsfromwhichareusedtofurtherthegoalsoftheFoundation

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FoundationOrganization§ TheBoardofDirectorsconsistsofseven+members,whosereplacementsareelectedbythemembership

§ TheBoardisultimatelyresponsibleforfulfillingtheMissionStatement§ TheBoardcanamendtheBy-LawsoftheRISC-Vfoundationviaatwo-thirdsaffirmativevote

§ TheBoardappointschairsofad-hoccommitteestoaddressissuesconcerningRISC-V,andhasthefinalvoteofapprovaloftherecommendationofthead-hoccommittees.

§ AllmembersofcommitteesmustbemembersoftheRISC-VFoundation- CommitteechairsmustreporttotheBoard,andcommitteesaresubjectto

terminationiftheBoarddecidesacommitteeisnotmakingsatisfactoryprogress§ GiventheworldwideinterestinRISC-V,theBoardwillappointChairsofRegionalCommitteestopromoteRISC-Vdevelopmentinlocalcommunities

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ClassesofMembership§ PlatinumSponsorduesofUS$25,000peryear

- 10complimentary registrations forRISC-Vmeetingsduringtheyearofmembershipandthemostprominentandlargestdisplayofcompanylogosinonlineandprintmaterials forRISC-V

§ Platinummembersareeligible forBoardseatelectionsandtoChairFoundationTechnicalCommittees,MarketingCommitteesandSub-Committees

§ GoldSponsorduesofUS$10,000peryear- 7complimentary registrations forRISC-Vmeetingsduringtheyearofmembershipand

prominentdisplayofcompanylogosinonlineandprintmaterials forRISC-V§ GoldSponsormembersareeligible toChairFoundation TechnicalCommittees,

MarketingCommitteesandSub-Committees§ SilverSponsor duesofUS$5,000peryear

- 5complimentary registrations forRISC-Vmeetingsandfortheir logostobedisplayed inRISC-Vonlineandprintmaterials

§ AllSponsororganizations haveonevoteperopenposition inBoardelections.§ AuditorduesofUS$2,500peryear(non-voting)

- 2complimentary registrations forRISC-Vmeetingsduringtheyearofmembershipandfortheirnamestobelisted inonlineandprintmaterials forRISC-V

§ IndividualMemberduesofUS$99peryear(non-voting)

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FoundationStatus

§ ArticlesofIncorporationfiledAugust2015- RISC-VFoundationCorporationisalegal,non-profitoperatingentity

§ 50+membershavejoinedtheFoundation§ BoardofDirectorsformedinQ2of2016-MembershipAgreement&Bylawstoberatified

§ Technical&MarketingCommitteesformedinQ3of2016- Chairs&Vice-Chairselected

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PlatinumMembers

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Gold,Silver&AuditorMembers

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Rumble Development

RISC-VFoundationSummary§ StrongIndustrySupport

- ~50Sponsorcompanies- Broadcommercialandacademicinterest(soldout350+5th workshopattendeesrepresenting107companies&29universities)

§ BoardofDirectorsformedinQ22016§ Membership&Bylawdocumentscompleted§ Technical&MarketingCommitteeChairs&Vice-ChairselectedinQ32016

§ 6th RISC-VWorkshopsavethedate…

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May9th – 10th ,2017ShanghaiChina