jetson 系列移植指南 nv-jetson-agx-xavier-as-jetson-xavier-nx

DA_09726-001|November2019

JetsonAGXXavierasJetsonXavierNX

EmulationPackageUserGuide

JetsonAGXXavierasJetsonXavierNX

DA_09726-001|

PAGE\*roman

iii

DocumentHistory

DA_09726-001

Version

Date

Authors

DescriptionofChange

1.0

November5,2019

Initialrelease

TableofContents

AboutthisGuide 4

Introduction 4

GettingStarted 4

Prerequisites 4

PerformRequiredDownloads 4

ApplytheEmulationPackage 4

EmulatingJetsonXavierNX 5

PreparetheJetsonAGXDeveloperKit 5

FlashtheJetsonAGXDeveloperKit 6

JetsonAGXXavierasJetsonXavierNX

DA_09726-001|

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AboutthisGuide

ThisguidedescribeshowtoemulateNVIDIA®JetsonXavier™NXusingaJetsonAGXXavier™DeveloperKit.

Introduction

NVIDIAJetsonXavierNXbringssupercomputerperformancetotheedgeinacompactsystemonmodulesmallerthanthesizeofacreditcard.DevelopmentforJetsonXavierNXcanbedoneonaJetsonAGXXavierDeveloperKitbyapplyingthisemulationpackage.Forthepurposeofemulation,thepackagelimitsthenumberofCPUcoresandGPUTPCs,DDRbandwidth/size,andallmaximumclockfrequenciesfortheJetsonAGXXaviermoduletomatchthoseofJetsonXavierNX.

GettingStarted

Prerequisites

JetsonAGXXavierDeveloperKit

LinuxhostcomputerrunningUbuntu18.04or16.04

PerformRequiredDownloads

ToapplyJetsonXavierNXEmulationPackageyoumustfirstdownloadfromtheJetsondevelopersiteat

/embedded/downloads

:

ThelatestJetson™LinuxDriverPackage(L4T)andsamplerootfilesystemforJetsonAGXXavier

JetsonAGXXavierasJetsonXavierNXEmulationPackage

ApplytheEmulationPackage

FollowtheseinstructionstoapplytheemulationpackageontopoftheJetsonAGXXavierBSP:

ExtracttheL4TDriverPackage:

$sudotarxpfTegra186_Linux_R32.2.1_aarch64.tbz2

EmulatingJetsonXavierNX

Extractthesamplerootfilesystem:

$cdLinux_for_Tegra/rootfs/

$sudotarxpf../../Tegra_Linux_Sample-Root-Filesystem_R32.2.1_aarch64.tbz2

Runapply_binaries.sh:

$cd..

$sudo./apply_binaries.sh

Copyandextracttheemulationpackagesothatitoverlaysthesamplerootfilesystem:

$sudocp../Jetson_Xavier_NX_overlay.tbz2.

$sudotarxpfJetson_Xavier_NX_overlay.tbz2

Note:Makesuretheexecutionofapply_binaries.shiscompletebeforeyouextracttheoverlaypackage.

EmulatingJetsonXavierNX

PreparetheJetsonAGXDeveloperKit

PowerofftheJetsonAGXXavierDeveloperKitandconnectittoyourLinuxhostcomputerasfollows:

ConnectaUSBcablefromthehostcomputertotheUSB-Cportnexttothedeveloperkit’spowerbutton.

Connectkeyboard,mouse,anddisplaytothedeveloperkitforinitialconfigurationafterflashing.(Youmayskipthisstepifyouplantouseaserialconsoleconnectionforinitialconfiguration.)

PuttheJetsonAGXXavierDeveloperKitinto“ForceRecoveryMode.”

Ensurethatthedeveloperkitispoweredoff.

PressandholddowntheForceRecoverybutton.

Press,thenreleasethePowerbutton.

ReleasetheRecoverybutton.

FlashtheJetsonAGXDeveloperKit

EmulatingJetsonXavierNX

Oncetheemulationpackageisextractedasdescribedabove,youcanfindthe“jetson-xavier-as-xavier-nx.conf”flashconfigurationfileunderthe“Linux_for_Tegra”directory.

RunthefollowingcommandfromtheLinux_for_TegradirectorytoflashJetsonAGXXaviertoemulateJetsonXavierNX:

$sudo./flash.shjetson-xavier-as-xavier-nxmmcblk0p1

Whenflashingiscomplete,thedeveloperkitautomaticallyrestarts.

Notice

Theinformationprovidedinthisspecificationisbelievedtobeaccurateandreliableasofthedateprovided.However,NVIDIACorporation(“NVIDIA”)doesnotgiveanyrepresentationsorwarranties,expressedorimplied,astotheaccuracyorcompletenessofsuchinformation.NVIDIAshallhavenoliabilityfortheconsequencesoruseofsuchinformationorforanyinfringementofpatentsorotherrightsofthirdpartiesthatmayresultfromitsuse.Thispublicationsupersedesandreplacesallotherspecificationsfortheproductthatmayhavebeenpreviouslysupplied.

NVIDIAreservestherighttomakecorrections,modifications,enhancements,improvements,andotherchangestothisspecification,atanytimeand/ortodiscontinueanyproductorservicewithoutnotice.Customershouldobtainthelatestrelevantspecificationbeforeplacingordersandshouldverifythatsuchinformationiscurrentandcomplete.

NVIDIAproductsaresoldsubjecttotheNVIDIAstandardtermsandconditionsofsalesuppliedatthetimeoforderacknowledgement,unlessotherwiseagreedinanindividualsalesagreementsignedbyauthorizedrepresentativesofNVIDIAandcustomer.NVIDIAherebyexpresslyobjectstoapplyinganycustomergeneraltermsandconditionswithregardstothepurchaseoftheNVIDIAproductreferencedinthisspecification.

NVIDIAproductsarenotdesigned,authorizedorwarrantedtobesuitableforuseinmedical,military,aircraft,spaceorlifesupportequipment,norinapplicationswherefailureormalfunctionoftheNVIDIAproductcanreasonablybeexpectedtoresultinpersonalinjury,deathorpropertyorenvironmentaldamage.NVIDIAacceptsnoliabilityforinclusionand/oruseofNVIDIAproductsinsuchequipmentorapplicationsandthereforesuchinclusionand/oruseisatcustomer’sownrisk.NVIDIAmakesnorepresentationorwarrantythatproductsbasedonthesespecificationswillbesuitableforanyspecifiedusewithoutfurthertestingormodification.TestingofallparametersofeachproductisnotnecessarilyperformedbyNVIDIA.Itiscustomer’ssoleresponsibilitytoensuretheproductissuitableandfitfortheapplicationplannedbycustomerandtodothenecessarytestingfortheapplicationinordertoavoidadefaultoftheapplicationortheproduct.Weaknessesincustomer’sproductdesignsmayaffectthequalityandreliabilityoftheNVIDIAproductandmayresultinadditionalordifferentconditionsand/orrequirementsbeyondthosecontainedinthisspecification.NVIDIAdoesnotacceptanyliabilityrelatedtoanydefault,damage,costsorproblemwhichmaybebasedonorattributableto:(i)theuseoftheNVIDIAproductinanymannerthatiscontrarytothisspecification,or(ii)customerproductdesigns.

Nolicense,eitherexpressedorimplied,isgrantedunderanyNVIDIApatentright,copyright,orotherNVIDIAintellectualpropertyrightunderthisspecification.InformationpublishedbyNVIDIAregardingthird-partyproductsorservicesdoesnotconstitutealicensefromNVIDIAtousesuchproductsorservicesorawarrantyorendorsementthereof.Useofsuchinformationmayrequirealicensefromathirdpartyunderthepatentsorotherintellectualpropertyrightsofthethirdparty,oralicensefromNVIDIAunderthepatentsorotherintellectualpropertyrightsofNVIDIA.ReproductionofinformationinthisspecificationispermissibleonlyifreproductionisapprovedbyNVIDIAinwriting,isreproducedwithoutalteration,andisaccompaniedbyallassociatedconditions,limitations,andnotices.

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