實(shí)時(shí)嵌入式LINUX設(shè)計(jì)與實(shí)現(xiàn).pdf

1、西南交通大學(xué)碩士學(xué)位論文實(shí)時(shí)嵌入式LINUX設(shè)計(jì)與實(shí)現(xiàn)姓名：劉萬里申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：楊斌20030301器囊交遴犬攀磺圭袋突裳掌繼諗交繁鞋燹Abstract粥墩therapiddevelopmentofcomputertechnologycommunicationteehnologyandconsunlerelectronictechnologyreal—timeembeddedsystemhasbeen誠(chéng)

2、de毋wed。There8托箍totofdemandsibrrealtimeembeddedoperatingsysteminfieldsofscientificresearch，engineeringdesign，militarytechnologyconnTlerceentertainmentere，霉黯purposeofmyWO蟲istodesignandrealizearealtimeembeddedoperatingsyste

3、mAfterintroducingsometelevantconcepts，thisthesisanalyzesandresearchesLinuxoperatingsystem，andmakesitsatis玲t(yī)herequirementofrealtimesystemandembeddedsystemOntheaspectofrealtimeoperatingsystem，Linuxhasrealtime捂skmechanismbu

4、thasnotreachedthehardrealtimerequest霹蹬thesispointsoutthekeyfactorsthatinfluencerealtimecapacitybyanalyzingLinuxscheduletimeandpolicyTherearealotofimprovementschemestoLinuxrealtimeperformance蘸present。Throughanalysisandcom

5、parison。lchooseRTLinuxtocarryonthetheoreticalresearchandanalysisandmakethetestofrealtimeperformanceandobtain拽bette4rtestresults。lhasdesignedandrealizedthreepartsincludingsystembooting，minimizingkernelandminimizingfilesys

6、tem0ntheaspectofembeddedoperatingsystem，ConnectingwithsystembootingthisthesisinlroducesnetworkbootingandNFSfilesystemConnectingwithkernelcuttingusingmodularizedprogrammingandloadablekernelmodulemechanismofLinux1givesomer

7、olesthatdecidewhatmodulewillbecompiledinthekernelConnectingwithfilesystemcutting，ELFobjectfile，dynamicandstaticlink。standardelibraryandBusyBoxconcepthavebeenused，F(xiàn)inallyinmythesis，anembeddedFirewallapplicationbasedonther