资源描述：
《Porting the Linux Kernel to a New ARM Platform》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、WHITEPAPER:PortingtheLinuxKerneltoaNewARMPlatformWookeyandTak-Shing,AlephOne•www.aleph1.co.ukSo,youhavesomeARM*basedhardwarethatyouwanttoporttheOverviewofFilesLinuxkernelto.ThisisataskthatacompetentsoftwareengineercanThestartingpointhereisthatyouhavesetupyourkernelsourcet
2、reeundertakeassistedbyrelevantinformationsuchasthisarticle,withtheARMpatches.Thisdescriptioncoversthe2.4serieskernels,althoughpreviousfamiliaritywiththeLinuxkernelwillmakeitalotspecifically2.4.18.Thingswillchangeaskerneldevelopmentcontin-easier.Ifyourplatformisalotlikesom
3、ethingthathasgonebeforeues.TheARM-specificfilesareinlinux/arch/arm(code),andthentheportcanberelativelysimple,butifit'sallnewthenitcouldlinux/include/asm-arm(headerfiles).Inaconfiguredkerneltree,thebeabigjob,andyoumightwellbeadvisedtogethelpfromsomeoneappropriatearchitectu
4、reheadersdirectory(linux/include/asm-armexperiencedinthesethings,dependingonhowmuchofachallengeinourcase)appearsaslinux/include/asmsothatitcanbeeasilyyouwant.Andofcourse,ifyoudon'tactuallyknowthatyourhard-referredtobyotherfilesthatdon'tneedtoknowwhicharchitecturewareworks
5、properly(youusuallyknowthisifithasalreadyrunsometheyaredealingwith.Yourmachine-specificsub-directoriesgointoOSotherthanLinux),thenagainthingscangetexcitingasyoumaythesedirectories.notknowifthehardwareisbrokenoryourkernelchangesarewrong.Devicedriversforthings,eveniftheyare
6、onlyfoundontheARMThisarticlecan'ttellyoueverythingyouneedtoknowaboutkernelarchitecture,orevenonlyonyourmachine,donotgointhesedirec-hacking–it'sahugesubject.Ifyoudon'tknowhowthekernelworkstories,butintherelevantpartsofthemaintree;usuallylinux/driv-youneedtoreadsomerelevant
7、documentation.WhatIwilltrytoers/,butsometimeslinux/fsor/linux/netiftherearefilesystems,coveraretheproceduresandconventionsusedintheARMkernelpartitiontypesornetworkprotocolsspecifictoyourdevice.Withindevelopmentcommunity,howtheARMarchitecturefilesaresetouttheARM-specificdi
8、rectoriesyourneworchangedfilesgoinappro-inthesource,andthebasicsofwhatyouwillneedtochangetoportp
