實時嵌入式LINUX設計與實現(xiàn).pdf

1、西南交通大學碩士學位論文實時嵌入式LINUX設計與實現(xiàn)姓名：劉萬里申請學位級別：碩士專業(yè)：計算機應用技術指導教師：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

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