DM6467T开发环境的安装.docx

DM6467T开发环境的安装.docx

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DM6467T开发环境的安装

DM6467T开发环境的安装

1.虚拟机安装VirtualBox3.2.12

2.ubuntu10.04

3.下载 DVSDK_3_10_003_10_00_19相关文件

▪linux-davinci-staging.tar.gz- containsthekernelsourcetreewiththeTImodifications,alsoknownastheProductSupportPackage（PSP）

▪linuxlibs-####.##-armv5te.tar.gz- containsPSPpre-compiledLinuxlibraries

▪dvsdk_#_##_##_##_Setup.bin- containstheDVSDKitself

▪arago-demo-image-dm####-evm.tar.gz- forrootfilesystem

▪dvsdk_#_#_#_#_overlay_dm6467.tar.gz- forplatform-specificappsanddata

▪cs2dm6467_#_##_##_##_Setup.bin- codecserverforDM6467platform

4.安装步骤

InstallingSoftwareComponents

Thissectionexplainshowtoinstalltherequiredsoftwarecomponentsonthehost.

1.LogintoyourhostLinuxworkstation.

2.Thecommandsinthissectioninstallallcomponentsinthe/home//dvsdkdirectory.Ifyoupreferadifferentlocation,modifythecommandsasnecessary.Openacommandpromptinusermodeandgotothedownloaddirectoryasfollows:

host$mkdir-p/home//dvsdk

host$cd/home//dvsdk

3.Downloadandunpackthetoolchain:

Thelink Getting_CodeSourcery_Toolchain providestheinformationyouneedtodownloadthetoolchain.Youcandownloadthe AdvancedPackages fromthelinkwhichprovidesthelinuxtarball.Theotheroptionswouldbetodownloadthe RecommendedPackages whichprovidesthetoolsinalinuxinstaller.Thesecommandsassumeyouwanttodownloadthetoolchain（AdvancedPackages）andinstallitinthe/opt/arm-2009q1directory. Note:

 The"sudo"isnotnecessaryifyouwanttoinstallthetoolchaininsomeotherplace.Thetoolchaincanbeinstalledanywhereinthesystemaslongasthedirectoryhasthenecessarywritepermissions.

host$sudomkdir-p/opt

host$sudotar-xjfarm-2009q1-203-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2-C/opt

Note:

 Pleasenotethat arm-2009q1-203-arm-none-linux-gnueabi.bin isanassumedinstallernamefromtheCodeSourceryif RecommendedPackages isselectedfromthelinkforthelinuxinstaller.Pleaseexecute arm-2009q1-203-arm-none-linux-gnueabi.bin toinstallthetoolchainto/opt/arm-2009q1directoryiflinuxinstallerisconsideredforthetoolchaininsteadofthetarball.

Thesecommandlinetoolsareavailableatnocost.CodeSourceryalsooffersmorefullyfeaturedtoolsforacost.TheSourceryG++Litepackageincludesallofthefollowingcomponents:

▪CodeSourceryDebugSpriteforARM

▪GNUBinaryUtilities（Binutils）

▪GNUCCompiler（GCC）

▪GNUCLibrary（GLIBC）

▪GNUC++Compiler（G++）

▪GNUC++RuntimeLibrary（Libstdc++）

▪GNUDebugServer（GDBServer）

▪GNUDebugger（GDB）

4.UnpackthePSPpre-compiledLinuxlibrariespackageasfollows.Itputsthelibraryheadersinlinuxlibs-####.##-armv5te/includedirectoryandpre-compiledlibrariesinlinuxlibs-####.##-armv5te/libdirectory.

host$tar-xzflinuxlibs-####.##-armv5te.tar.gz-C/home//dvsdk

5.UnpacktheLinuxPSPsource.TheLinuxkernelcanbefoundin/home//dvsdk/git.

host$tar-xzflinux-davinci-staging.tar.gz-C/home//dvsdk

6.InstalltheDVSDKsoftware:

host$chmoda+xdvsdk_#_##_##_##_Setup.bin

host$./dvsdk_#_##_##_##_Setup.bin

Note:

 The$（DVSDK_INSTALL_DIR）variableintheinstallerpointstotheDVSDKinstalldirectory,e.g.,$（DVSDK_INSTALL_DIR）issetto /home//dvsdk/dvsdk_#_##_##_##forthissetup.

7.Thecommandmentionedinstep6openstheinstallerwindow.Pleasechoosetheappropriateoptionsandentertherequiredpathstocompletetheinstallation.

8.YoucanchoosetoupdatethepathslaterbyeditingtheRules.makefilepresentin/home//dvsdk/dvsdk_#_##_##_##directory.

9.InstalltheCodecServercs#dm6467_#_##_##_##.bin,forDM6467fromthis link,wheretheDVSDKsoftwareisinstalled（/home//dvsdk/dvsdk_#_##_##_##/cs#dm6467_#_##_##_##:

）aspartofthenextstep

host$chmoda+xcs#dm6467_#_##_##_##_Setup.bin

host$./cs#dm6467_#_##_##_##_Setup.bin

Note:

 Youcanuninstallthesecomponentsbyusingtherm-rfcommandonitsdirectory.Youshouldignoretheun-installfilescreatedbytheinstaller.

CreatingaTargetandHostSharedFileSystemandExportingIt

AlthoughtheEVMboard's（thatis,thetarget's）NANDflashcontainsafilesystem,duringdevelopmentitismoreconvenienttohavethetargetboardNFSmountafilesystemonahostLinuxworkstation.Onceyouhavetestedtheapplication,youcanstoreitontheboard'sflashforastandalonedemonstration.

BeforetheEVMcanmountasharedtargetfilesystem,youmustexportthattargetfilesystemonthehostLinuxworkstation.ThesharedfilesystemusesanNFS（NetworkFileSystem）server.Theexportedfilesystemwillcontainthetargetfilesystemandyourexecutables.

The InstallingaNFSServer pageprovidesinformationoninstallingNFSserverinaUbuntumachine.

BootingwithNFSasarootfilesystem

▪The"demo"filesystemforDM6467EVM（arago-demo-image-dm6467t-evm.tar.gz）shouldbeexportedfromtheNFSserveronyourhostLinuxworkstation.Additionallythereareapplicationsanddataforthetargetindvsdk_#_#_#_#_overlay_dm6467.tar.gz.Performthefollowingsteps（Youonlyneedtoperformthesestepsonce）

▪LoginwithauseraccountonthehostLinuxworkstation

▪PerformthefollowingcommandstopreparealocationfortheAragotargetfilesystem.Forexample:

host$cd/home/

host$mkdir-pworkdir/filesys

host$cdworkdir/filesys

▪SwitchusertorootonthehostLinuxworkstation

host$suroot

▪Performthefollowingcommandstocreateacopyofthetargetfilesystemwithpermissionssetforwritingtothesharedareaas.Substituteyouusernamefor.

host$cp-a/arago-demo-image-dm6467t-evm.tar.gz.

host$tarxvfzarago-demo-image-dm6467t-evm.tar.gz

host$cp-a/dvsdk_VERSION_overlay_dm6467.tar.gz.#Ifpresent（for3.10GAandlater）.

host$tarxvfzdvsdk_VERSION_overlay_dm6467.tar.gz

host$chmod777-R/home//workdir/filesys

▪Editthe/etc/exportsfileonthehostLinuxworkstation（nottheexportsfileonthetargetfilesystem）.Addthefollowinglineforexportingthefilesysdirectory,substitutingyourusernamefor.Usethefullpathfromroot;~maynotworkforexportsonallfilesystems.

/home//workdir/filesys*（rw,no_root_squash,no_all_squash,sync）

NOTE:

Makesureyoudonotaddaspacebetweenthe*andthe（intheabovecommand.

▪Stillasroot,usethefollowingcommandstomaketheNFSserverawareofthechangetoitsconfigurationandtoinvokeanNFSrestart.

host$/usr/sbin/exportfs-av

host$/etc/init.d/nfs-kernel-serverrestart

NOTE:

Useexportfs-ravtore-exportalldirectories.Use/etc/init.d/nfs-kernel-serverstatustoverifythattheNFSstatusisrunning.

▪SetupthebootargsENVvariabletobootwithNFSfilesystem:

Pleasereferto SampleU-BootparametersrequiredfortheDVSDKdemo page.

SettingUptheBuild/DevelopmentEnvironment

Tosetupthedevelopmentandbuildenvironment,followthesesteps:

1.Logintoyour user account（andnotasroot）ontheNFShostsystem.

2.SetyourPATHenvironmentvariablesothatthetoolchainhosttoolsandcrosscompiler（arm-none-linux-gnueabi-gcc）canbefound.Todothis,youshouldopenyour.bashrcfileinatexteditorsuchasviorgeditandaddtheexportcommandlinetothefile,forexamplerunthecommandbelow:

host$gedit/home//.bashrc

3.Next,addtheexportcommandbelowtothe.bashrcfile.Ifyouinstalledinalocationotherthan/opt/arm-2009q1/bin,useyourownlocationinthePATH.

exportPATH="/opt/arm-2009q1/bin:

$PATH"

4.Remembertousethefollowingcommandaftermodifyingyour.bashrcfile.Thesourcecommandessentiallyexecutesthe.bashrcscriptsuchthatthepathyoujustaddedtoitisplacedinyourcurrentenvironmentvariables:

host$source/.bashrc

5.IfyouwanttoverifyyournewPATHvariableyoucanruneitherofthecommandsbelow:

▪ThisprintsjustthePATHvariable:

host$echo$PATH

▪Thisprintsallofthesystem'scurrentenvironmentvariables:

host$printenv

BuildingtheDVSDKSoftwarefortheTarget

YoucanbuildboththeLinuxkernelandDVSDKfromdvsdk_#_##_##_##.Thefollowingstepsassumeyouhaveinstalledallcomponentsdescribedabovein/home//dvsdk.

YouneedtodofollowingonceinthehostmachinetobeabletobuildDVSDK

host$sudoapt-getinstalllibc6-dev

1.Changedirectoryto/home//dvsdk/dvsdk_#_##_##_##

2.ThefollowingstepsarenotrequiredifDVSDKisinstalledthroughthelinuxinstaller.ThebelowstepscanbeusedtoverifytheenvironmentvariablessetintheRules.makefileinthedvsdk_#_##_##_##.directory.

host$geditRules.make

▪SetPLATFORMtomatchyourEVMboardasfollows:

PLATFORM=dm6467

Note:

validoptionsaredm365ordm355ordm6467

▪SetDVSDK_INSTALL_DIRtothetop-levelDVSDKinstallationdirectoryasfollows,notethatbydefault${HOME}referstoyour/home/directory:

DVSDK_INSTALL_DIR=/home//dvsdk/dvsdk_#_##_##_##

▪MakesureLINUXKERNEL_INSTALL_DIRisdefinedasfollowssoitpointstowhereyoucopiedthelinuxkerneltreeintheBuildingaNewLinuxKernel.

LINUXKERNEL_INSTALL_DIR=/home//dvsdk/git

▪MakesureLINUXLIBS_INSTALL_DIRpointstotheextractedPSPpre-compiledLibraries.

LINUXLIBS_INSTALL_DIR=/home//dvsdk/linuxlibs-####.##-armv5te

▪MakesureCSTOOL_DIRpointstotheCodeSourcerytoolsdirectoryasfollows:

CSTOOL_DIR=/opt/arm-2009q1

▪MakesureEXEC_DIRpointstotheoptdirectoryontheNFSexportedfilesystemasfollows:

EXEC_DIR=/home//workdir/filesys/opt/dvsdk/dm####

3.BuildingLinuxkernelimagerequires mkimage tobepresentinthesystem.T