基于硬件抽象層的嵌入式操作系統(tǒng)移植方法的研究.pdf

1、復(fù)旦大學(xué)碩士學(xué)位論文基于硬件抽象層的嵌入式操作系統(tǒng)移植方法的研究姓名：袁帥申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：計(jì)算機(jī)系統(tǒng)結(jié)構(gòu)指導(dǎo)教師：陳章龍20040517ABSTI礬CTAsaresultofthecomputerandthemicro—electronics’rapiddevelopmentintechnicalandcraftaspect，theembeddedsystemalsoobtainedhugedevelopmentFromitsa

2、pplicationintheindustry，civil，themilitary，thescientificresearchandetcwemayfinditgraduallyaffectingpeople’S1ifeInviewofsuchbroadapplication，thestudyanddevelopmentintheembeddedsystemalSOgraduallybecomesoneofmostactivetende

3、nciesconcerningcomputersoftwareandhardwaretechnologicaldevelopmentAlongwiththeembeddedsystemprocessorfrequencyunceasinglytoincrease，theperformanceunceasinglytoenhance，itsapplicationmodealsotransformsfromtheinitialnon—’op

4、eratingsystemandsingle。。tasksystemtothepresentthemulti—tasksoperatingsystemAndthiShasbroughtaseriesofproblemsintheembeddedsystemdevelopmentoneof而ichiStheoperatingsystemportingThetraditionalcomputeroperatingsystemselectst

5、heunlimiteddirectaccesswaytohardware，whichcausesaseriesofproblems，suchastheoperatingsysteminstability，theportingdifficultyandthesoftwareandhardware’SconnectionnotunificationTheembeddedfieldforitsowacharacteristics，hasmor

6、ereal—timerequesttotheoperatingsystemporting，butatpresentiDthisaspectthereisstillnotonesetofeffectivegeneralmethodsAimingatdifferenthardwareplatform，weoftenhavetestarttheoperatingsystemportingwithmassiveduplicatedwork，an

7、da]sohavetotakethemassiveunderlyinghatdwareinformationintoaccount，andthiSreallyslowdownthecycle，sometimesthestabilityisnothigh，WhicbseriouslyhinderedUSfromsendingasetofnewly—developedembeddedproductstothemarkettimely，and