加载内核及文件系统

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1、法一、1、首先，用u-boot/tools/mkimage这个工具为你的内核加上u-boot引导所需要的文件头，具体做法如下：[root@localhosttftpboot]#mkimage-n'linux-2.6.14'-Aarm-Olinux-Tkernel-Cnone-a0x30008000-e0x30008000-dzImagezImage.imgImageName:  linux-2.6.14Created:   FriJan1217:14:502007ImageType: ARMLinuxKernelImage(uncompressed)DataSize:  1

2、262504Bytes=1232.91kB=1.20MBLoadAddress:0x30008000EntryPoint: 0x30008000这里解释一下参数的意义：    -A==>setarchitectureto'arch'    -O==>setoperatingsystemto'os'    -T==>setimagetypeto'type'    -C==>setcompressiontype'comp'    -a==>setloadaddressto'addr'(hex)    -e==>setentrypointto'ep'(hex)    -n==>s

3、etimagenameto'name'    -d==>useimagedatafrom'datafile'    -x==>setXIP(executeinplace) 2、下载内核U-Boot1.1.3(Jan122007-16:16:36)U-Bootcode:33F80000->33F9BAC0 BSS:->33F9FBACRAMConfiguration:Bank#0:3000000064MBNorFlash:512kBNandFlash: 64MBIn:  serialOut: serialErr: serialHitanykeytostopautoboot: 

4、0sbc2410=>tftp0x31000000zImage.img    TFTPfromserver192.168.1.115;ourIPaddressis192.168.1.128Filename'zImage.img'.Loadaddress:0x31000000Loading:#################################################################    #################################################################    ########

5、#########################################################    ####################################################doneBytestransferred=1263324(1346dchex)3.运行 sbc2410=>bootm0x31000000##Bootingimageat31000000... ImageName: linun-2.6.14  ImageType: ARMLinuxKernelImage(uncompressed) DataSize:  

6、1263260Bytes= 1.2MB LoadAddress:30008000 EntryPoint: 30008000 VerifyingChecksum...OKOKStartingkernel...UncompressingLinux.............................................................Linuxversion2.6.14(root@luofuchong)(gccversion3.4.1)#21FriOct2017:206CPU:ARM920Tid(wb)[41129200]revision0(AR

7、Mv4T)Machine:SMDK2410Memorypolicy:ECCdisabled,DatacachewritebackCPUS3C2410A(id0x32410002)S3C2410:core202.800MHz,memory101.400MHz,peripheral50.700MHzS3C2410Clocks,(c)2004SimtecElectronicsCLOCK:Slowmode(1.500MHz),fast,MPLLon,UPLLonUSBControl,(c)2006sbc2410CPU0:D