嵌入式系统开发实用教程-课件配套资源清华第6章根文件系统

1、6根文了解基于 RAM 的文件系统了解网络文件系统 NFS6根文了解基于 RAM 的文件系统了解网络文件系统 NFS理解 Linux 系统的引导过程掌握建立 JFFS2 根文件系统的方法 掌握建立 Ramdisk 文件系统的方法 掌握建立 Cramfs 文件系统的方法 Linux 的文件6.1 LinuxFLASH 的文件系JFFS（JournalingFlashFilesystem，日志闪存文件系统（1）YAFFS（YetAnotherFlashFile（2）3Cramfs（CompressedROM FileCramfsLinux的创始人LinusTorvaldsRAM 的文件系（1）YA

2、FFS（YetAnotherFlashFile（2）3Cramfs（CompressedROM FileCramfsLinux的创始人LinusTorvaldsRAM 的文件系网络文件系统6.2 rootlocalhostDesktop#catLinux 根文件系Linux 根文件系统结6.2 Linux/tmp/nfs*(rw,sync,no root NFS客户端使用者的权限，即如果客户端使用的是 root 用户，那么对于这个共享的客户端就具有root的权限IP1，Linux 系统的引导过6.3 Linux建立根文Linux 系统的引导过6.3 Linux建立根文实例BusyBox 建立文

3、件：。rootlocalhostDesktop#tar-xjvfbusybox-1.13.4.tar.bz2-CrootlocalhostDesktop#cdbusybox-3修改rootlocalhostbusybox-1.13.4#geditrootlocalhostbusybox-1.13.4#makeCROSS COMPILECROSS COMPILE?=/usr/local/arm/3.4.1/bin/arm-ARCH?=ARCH?= HYPERLINK mailto:rootlocalhostbusybox-1.13.4 rootlocalhost HYPERLINK mailto

4、:rootlocalhostbusybox-1.13.4 busybox-1.13.4#rootlocalhostbusybox-1.13.4#rootlocalhost busybox-1.13.4# gedit networking/修改erface.c818 HYPERLINK mailto:rootlocalhostbusybox-1.13.4 rootlocalhost HYPERLINK mailto:rootlocalhostbusybox-1.13.4 busybox-1.13.4#rootlocalhostbusybox-1.13.4#rootlocalhost busybo

5、x-1.13.4# gedit networking/修改erface.c818行改为.type=-rootlocalhostbusybox-1.13.4#rootlocalhostbusybox-1.13.4#llrootlocalhostbusybox-1.13.4#makerootlocalhostbusybox-1.13.4#llrootlocalhostbusybox-od4755 下生成一个，里面有rootlocalhostnfs#rootlocalhostnfs#mkdir-pbinsbinlib/modulesetc/init.ddevusr/binusr/sbinusr/li

6、bproc home root boot mnt/etc mnt/jffs2 mnt/yaffs mnt/data mnt/temp var/lib var/lock var/logvar/runvar/tmprootlocalhostod1777 od17772.8节（实例NFS服务器的搭建）-rwxr-xr-x.1root:10Youwillprobablyneedtomakeyourbusyboxbinary setuid root to ensure all configured applets willwork-rwxr-xr-x.1root:09-rwxr-xr-x.1rootro

7、ot20495325409:09-rw-r-r-.1rootroot 8900755409:09-rw-r-r-.1root835035409:09networking/ networking/ erface.c:818:error:ARPHRD_INFINIBANDundeclaredhere(notinafunction) networking/ erface.c:818: error: initializer element is not constantnetworking/ erface.c:818:error:nearinitializationforib hwtype.type)

8、 make1: * networking/ erface.o 错误 1make:*networking rootlocalhostnfs#cdrootlocalhostdev#rootlocalhostdev#mknod-m600consolec5rootlocalhostdev#mknodrootlocalhostnfs#cdrootlocalhostdev#rootlocalhostdev#mknod-m600consolec5rootlocalhostdev#mknod -m666nullc1rootlocalhostdev#mknod -m666tty0c4rootlocalhost_

9、install#cp-abinrootlocalhost _install# cp -a sbin /tmp/nfs/ rootlocalhost_install#cp-alinuxrc/tmp/nfs/#cp-ales/bootfloppy/etc/* rootlocalhostnfs#geditrootlocalhostnfs#llrootlocalhostod755 rootlocalhostnfs#geditrootlocalhostod755 #mountallfilesystemdefinedinfstab echo #mount all.ount-knod-m600/dev/co

10、nsolec5knod-m666/dev/nullc1knod-m666/dev/tty0c4knod-m666/dev/mtdblock0b31knod-m666/dev/mtdblock1b31knod-m666/dev/mtdblock2b31knod-m666/dev/mtdblock3b31 echoOK 2410 Rootfs made by ztg, 2013.05echo-rw-r-r-.1rootroot1545411:16下的profile文 - - rootlocalhostnfs#geditrootlocalhostod755 rootlocalhostnfs#gedi

11、trootlocalhost rootlocalhostnfs#geditrootlocalhostod755 rootlocalhostnfs#geditrootlocalhostod755 grouprootlocalhostnfs#geditrootlocalhostnfs#geditetc/shadowrootlocalhost nfs# gedit etc/grouprootlocalhostod600od644etc/passwd（6）为 mdev 创建配置文件 rootlocalhostnfs#llrootlocalhostnfs#rmetc/*-rwxr-xr-x.1rootr

12、oot 1175411:20-rw-r-r-.1root105411:25drwxr-xr-x.2rootroot40965411:19-rwxr-xr-x.1rootroot 3685411:19-rw-r-r-.1root05411:29-rw-r-r-.1root315411:27-rwxr-xr-x.1rootroot 5455411:21-rw.1root925411:27# /etc/profile: system-wide .profile file for the Bourne s echo-nPro sing/etc/profile. #no-op#Setsearchlibr

13、aryechoSetsearchlibrarypathin/etc/profile exportLD LIBRARY #SetechoSetathinexportPATH=/bin:/sbin:/usr/bin:/usr/sbinexportHISTSIZE=100 alias ll=ls -l#/sbin/ifconfigeth0192.1681.22netmask255255/sbin/ifconfiglo echoConfigurenet proc /proc proc sysfs /sys sysfs none /tmp ramfs mdev /dev ramfs rootlocalh

14、ostnfs#geditrootlocalhostoda+xrootlocalhostnfs#rootlocalhostnfs#ll实rootlocalhostnfs#geditrootlocalhostoda+xrootlocalhostnfs#rootlocalhostnfs#ll实例建立JFFS2 根文件 rootlocalhostutil#make #cd rootlocalhostutil#llrootlocalhost util# cp mkfs.jffs /bin/ rootlocalhostutil#cpmkfs.jffs2 6.6-rwxr-xr-x.1root1078 29

15、4765409:41-rwxr-xr-x.1root10781571325409:41-rwxr-xr-x.1rootroot 1314805411:37ld-lrwxrwxrwx.1root115411:37ld-linux.so.2-ld-rwxr-xr-x.1root:37libc-rwxr-xr-x.1root301555411:37libcrypt-lrwxrwxrwx.1root175411:37libcrypt.so.1-libcrypt-lrwxrwxrwx.1root135411:37libc.so.6-libc-rwxr-xr-x.1root157365411:37libd

16、l-lrwxrwxrwx.1root145411:37libdl.so.2-libdl-rwxr-xr-x.1rootroot 5468545411:37libm-lrwxrwxrwx.1root135411:37libm.so.6-libm-rwxr-xr-x.1root979755411:37libpthread-lrwxrwxrwx.1root185411:37libpthread.so.0-libpthread-rwxr-xr-x.1root814955411:37libresolv-lrwxrwxrwx.1root185411:37libresolv.so.2-libresolv-r

17、wxr-xr-x.1root136895411:37libutil-lrwxrwxrwx.1root165411:37libutil.so.1-libutil-drwxr-xr-x.2root40965409:26ROOTFS forfileinlibclibcryptlibdllibmlibpthreadlibresolvlibutil cp$file-*.so$ROOTFS cp-d$file.so.*0-9$ROOTFS LIB cp-dld*.so*$ROOTFS rootlocalhosttftpboot#rootlocalhosttftpboot#mkfs.jffs2-r/tmp/

18、nfs-orootfs.jffs2-e0 x4000-pad=0 x800000 -rootlocalhosttftpboot#ll rootlocalhosttftpboot#rootlocalhosttftpboot#mkfs.jffs2-r/tmp/nfs-orootfs.jffs2-e0 x4000-pad=0 x800000 -rootlocalhosttftpboot#ll 的rootlocalhostu-boot-1.1.4#iptables-rootlocalhostu-boot-1.1.4# If you want to run ELF image, you should u

19、se -e option to indicateyourelf-formatimagefilename.Oryouonlywanttorunbinaryimage, youneedtosetthefilenameoftheimageandtryinHitanykeytostopautoboot: OK2410#tftp0 x31000000 TFTPfromserver;ourIPaddressis10 Filenamerootfs.jffs2.Loadaddress:Loading:Bytestransferred=8388608(800000OK2410nanderase2d0000080

20、0000 /擦写，2d000000是MTD4个分区的起始地址，800000（8MB）NANDerase:device0offset47185920,size8388608.OK2410nandwrite310000002d00000/将rootfs.jffs2NANDFlash4NANDwrite: device 0 offset 47185920, size 8388608 . 8388608 bytes written: OK需要等待几分钟 OK2410setenv bootargs noinitrd mem=64M root=/dev/mtdblock3 rootfstype=jffs2

21、 rw init=/linuxrc console=ttySAC0,115200 /设置内核启动参数，注意 root=/dev/mtdblock3， OK2410#run/bootcmd=tftp 0 x31000000 uImage;bootm /表示先执行tftp 0 x31000000 uImage 命令，将内核映 /注意：对NANDFlash烧写（nandwrite）之前，一定要先擦写（nanderase） TFTP from server ; our IP address is 10FilenameLoadaddress:Loading:Bytestransferred=114041

22、2(1166bchex) # Booting image at 31000000 .ImageName: ImageType:ARM Linux Kernel Image ( DataSize:1140348 Bytes = 1.09 MBLoad Address: 30008000 Entry Po : 30008000 -rw-r-r-.1rootroot83886085409:56 Startingkernelpressingdone,bootingtheLinux HYPERLINK mailto:(rootlocalhost.local )(gcc3.4.1)#6SatMay410:

23、29:15CST Machine:0Memorypolicy:ECCdisabled,D CPU S3C2410 (id 0 x32410000)acheS3C2410:core202.800MHz,memory101.400Startingkernelpressingdone,bootingtheLinux HYPERLINK mailto:(rootlocalhost.local )(gcc3.4.1)#6SatMay410:29:15CST Machine:0Memorypolicy:ECCdisabled,D CPU S3C2410 (id 0 x32410000)acheS3C241

24、0:core202.800MHz,memory101.400MHz,peripheral50.700MHz S3C2410 Clocks, (c) 2004 Simtec ElectronicsCLOCK:Slowmode(1.500MHz),fast,MPLLon,UPLLon CPU0: D VIVT write-back cacheCPU0:Icache:16384bytes,asso tivity 64,32by ines,8CPU0:Dcache:16384bytes,asso tivity64,32by ines,8Built1 dline:noinitrdmem=64Mroot=

25、/dev/mtdblock3rootfstype=jffs2rwinit=/linuxrcMemory:64MB=64MBMemory:62464KBavailable(1850Kcode,397Kdata,96Kinit) Mount-cache hash table entries: 512 softlockup thread 0 started up. S3C2410: Initialising architectureNetWinder Floating Po Emulator V0.97 (double preci devfs: 2004-01-31 Richard Gooch (r

26、goochatnf.csiro.au) devfs: boot options: 0 x1JFFSver1.0,(C)1999,2000 AxisCommunicationsAB JFFS2ver2.2. (NAND) (C) 2001-2003 Red Hat, Inc.Console:switchingtocolourframebufferdeviceRAMDISKdriverinitialized:16RAMdisksof4096Ksize1024blocksize loop: loaded (max 8 devi )nbd:registereddeviceatmajorCirrusLo

27、gicCS8900AdriverforLinux(Modifiedforeth0:CS8900ArevDat0 xe0000300irq=53,noeeprom,addr:08:0:3E:26:0A:5B S3C24XX NAND Driver, (c) 2004 Simtec Electronicss3c2410-nand:mappedregistersats3c2410-nand:timing:Tacls10ns,Twrph030ns,Twrph1NANDdevice:ManufacturerID:0 xec,:0 x76(SamsungNAND64MiB3,3V8-NAND ECC le

28、ctedbyboarddriver.ThisismendedScanningdeviceforbadCreating4MTDpartitionsonNAND64MiB3,3V8-bit: 0 x00000000-0 x00100000 : bootloader0 x00100000-0 x00400000:0 x00400000-0 x02c00000:0 x02d00000-0 x03c00000: Mounted #mount OK 2410 Rootfs made by ztg, 2013.05 (none) login: rootlogin25:rootloginonPro sing/

29、etc/profile.Setsearchlibrarypathin/etc/profile Setusath in /etc/profile AllDoneroot(none)/root#118044May 4 2013283May 4 2013root(none)/root# =mainoworld! root(none)实例建立Ramdisk 文件系rootlocalhostlinux-#geditrootlocalhostlinux-#rootlocalhostlinux-#实例建立Ramdisk 文件系rootlocalhostlinux-#geditrootlocalhostlin

30、ux-#rootlocalhostlinux-#将到 在 rootlocalhost tools# ./mkimage -A arm -O linux -T kernel -C 30008000 -n linux- -d vmlinux uImagenone -a 30008000 -rootlocalhosttools#cpuImage 2制作 ImageSatMay 418:34:52Image Type:ARM Linux Kernel Image (Data1142720Bytes=1115.94kB=1.09LoadAddress:0 x30008000 Entry: DeviceD

31、rivers BlockackNetworkblockRAMdisk(16) DefaultnumberofRAM/默认RAMdisk(8192) Default RAM disk size (kbytes) Initial RAM disk (initrd) supportFilesystems Pseudofilesystems */devfilesystemsupport(OBSOLETE) * Automaticallymoun boot(NEW) * Debug devfs (NEW)*/procfilesystem*Virtualmemoryfilesystemsupport(fo

32、rmershmPseudoconfigDEVFS bool/devfilesystemsupport(OBSOLETE) depends on EXPERIMENTALdefaultconfigDEVFS boolAutomaticallymoun depends on DEVFS FSdefaultconfig DEVFS DEBUG dependsonDEVFSFS defaulty#ddif=/dev/zeroof=ramdiskbs=1k了了00字节(8.2MB)，0.163916 秒，50.0MB/dd 命令用指#ddif=/dev/zeroof=ramdiskbs=1k了了00字节

33、(8.2MB)，0.163916 秒，50.0MB/dd 命令用指定大小的一个文件，并的同时进行指定的转换。dd #losetup/dev/loop2，losetupblockdeviceloopdevice目前的状况。环回设备可把文件虚拟成区块设作#mkfs.ext2 #mkdir #mount -text2/dev/loop2#cp -av/tmp/nfs/* #mknod-m666/mnt/initrd/dev/ram0b1#mknod -m666/mnt/initrd/dev/ramb1 mknodmmod b/c mkfs.ext2选项devicemke2fs1.41.12(17-M

34、ay-Discardingdeviceblocks:完成操作系统块大小=1024分块大小=1024 2000 inodes, 8000 blocks400blocksforthesuper第一个数据块 1 block group8192blockspergroup,8192fragmentspergroup 2000 inodes per group正在写入inode 表: Writingsuperblocksandfilesystemaccountinginformation: Thisfilesystemwillbeautomaticallycheckedevery32mountsor 1

35、80days,whichever. Usetune2fs-cor-ito 是面向字符的设备（键盘等。选项-m 为设备文件指定权限#umount/dev/loop2;losetup-d/dev/loop2;gzip-9ramdisk # cp ramdisk.gz /var/lib/tftpboot 是面向字符的设备（键盘等。选项-m 为设备文件指定权限#umount/dev/loop2;losetup-d/dev/loop2;gzip-9ramdisk # cp ramdisk.gz /var/lib/tftpboot #llrootlocalhosttmp# rootlocalhosttmp

36、#ddif=/dev/zeroof=ramdiskbs=1k rootlocalhost tmp# mkfs.ext2 -F -v -m0 ramdisk rootlocalhost tmp# mkdir /mnt/initrdrootlocalhosttmp#mount-oloop-text2ramdisk/mnt/initrd rootlocalhost tmp# cp -av nfs/* /mnt/initrdrootlocalhosttmp#mknod-m666/mnt/initrd/dev/ram0b1rootlocalhosttmp#mknod-m666/mnt/initrd/de

37、v/ramb11 rootlocalhost tmp# gedit /mnt/initrd/etc/fstabrootlocalhost tmp# gzip -9 ramdiskrootlocalhosttmp#ll #cpramdisk.gz rootlocalhostu-boot-1.1.4#iptables-rootlocalhost u-boot-1.1.4# skyeye If you want to run ELF image, you should use -e option to indicateyourelf-formatimagefilename.Oryouonlywant

38、torunbinaryimage, youneedtosetthefilenameoftheimageandtryin-rw-r-r-.1root:49ext2 defaults1none /procproc defaults0了800000字节(8.2MB)，0.0941164 秒，87.0MB/-rw-r-r-.1root:42Hitanykeytostopautoboot: OK2410#setenvbootargsconsole=ttySAC0initrd=0 x32000000,0 x440000root=/dev/raminit=/linuxrc;tftp0 x31000000 u

39、Image; tftp 0 x32000000 ramdisk.gz; bootm 31000000TFTPfromserver;ourIPaddressis10 FilenameuImage.Loadaddress:Loading:Bytestransferred=Hitanykeytostopautoboot: OK2410#setenvbootargsconsole=ttySAC0initrd=0 x32000000,0 x440000root=/dev/raminit=/linuxrc;tftp0 x31000000 uImage; tftp 0 x32000000 ramdisk.g

40、z; bootm 31000000TFTPfromserver;ourIPaddressis10 FilenameuImage.Loadaddress:Loading:Bytestransferred=1142784(117000TFTPfromserver;ourIPaddressis10 Filenameramdisk.gz.Loadaddress:Loading:Bytestransferred=1895342(1cebaehex) # Booting image at 31000000 . ImageType: DataSize: 1172564Bytes= 1.1 EntryPo :

41、 VerifyingChecksum.Startingkernelpressingdone,bootingtheLinux HYPERLINK mailto:(rootlocalhost.local )(gcc3.4.1)#8SatMay418:32:38CST Machine:0 dline:console=ttySAC0initrd=0 x32000000,0 x440000root=/dev/ramRAMDISKdriverinitialized:16RAMdisksof8192Ksize1024Creating4MTDpartitionsonNAND64MiB3,3V8-bit: 0

42、x00000000-0 x00100000 : bootloader0 x00100000-0 x00400000:0 x00400000-0 x02c00000:0 x02d00000-0 x03c00000:NET:RegisteredprotocolfamilyRAMDISK:Compressedimagefoundatblock0 VFS: Mounted root (ext2 filesystem).Mounted #mountall mknod: /dev/null: File exists OK 2410 Rootfs made by ztg, 2013.05 (none) lo

43、gin: rootlogin28:rootloginonPro sing/etc/profile.Setsearchlibrarypathin/etc/profile Setusath in /etc/profile AllDoneroot(none)/root#实例建立Cramfs 文件系rootlocalhosttmp#rootlocalhosttmp#fsrootlocalhosttmp#llrootlocalhosttmp#mount-oloopok2410.cramfsrootlocalhosttmp#lsrootlocalhostrootlocalhosttmp#rootlocal

44、hosttmp#fsrootlocalhosttmp#llrootlocalhosttmp#mount-oloopok2410.cramfsrootlocalhosttmp#lsrootlocalhosttmp#cpok2410.cramfstftpskyeye实例romfs 文件系#tar-xzvfgenromfs-#cdgenromfs-rootlocalhostgenromfs-0.5.2#rootlocalhostgenromfs-0.5.2#ll|greprootlocalhostgenromfs-0.5.2#cpgenromfs rootlocalhostlinux-#rootlo

45、calhosttftpboot#Filesystems Secondextended*ROMfilesystem-rwxr-xr-x.1root2436 月 272007 -rwxr-xr-x.1rootroot122605419:32-rwxr-xr-x.1root4156 月 272007 dev home linuxrc proc sbmp var boot copy_lib.sh etc libroot sysmkfs.cramfs-h-v-bblksz-eedition-ifile-nnamedirname-rw-r-r-.1rootroot21995525418:23rootloc

46、alhosttftpboot#genromfs-d/tmp/nfs-frootlocalhosttftpboot#llrootlocalhosttftpboot#genromfs-d/tmp/nfs-frootlocalhosttftpboot#ll选项及其说明见表 6.11。rootlocalhostu-boot-1.1.4#iptables-rootlocalhost u-boot-1.1.4# skyeye If you want to run ELF image, you should use -e option to indicateyourelf-formatimagefilena

47、me.Oryouonlywanttorunbinaryimage, youneedtosetthefilenameoftheimageandtryinHitanykeytostopautoboot: OK2410#tftp0 x31000000TFTPfromserver;ourIPaddressis10 Filenameok2410.romfs.Loadaddress:Loading:Bytestransferred=4212736(404800OK2410#nanderase2d00000NANDerase:device0offset47185920,size5242880.OK2410n

48、andwrite310000002d00000NANDwrite:device0offset47185920,size4212736. 4212736byteswritten:OK2410#setenvbootargsnoinitrdmem=64Mroot=/dev/mtdblock3rootfstype=romfsinit=/linuxrcconsole=ttySAC0,115200; runbootcmdTFTPfromserver;ourIPaddressis10 FilenameuImage.Loadaddress:Loading:Bytestransferred=1142784(11

49、7000hex) # Booting image at 31000000 .ImageName: 2013-05-04 10:34:52ImageType:ARM Linux Kernel Image ( DataSize:1142720 Bytes = 1.1 MBLoad Address: 30008000 Entry Po : 30008000 Startingkernelpressingdone,bootingtheLinux HYPERLINK mailto:(rootlocalhost.local )(gcc3.4.1)#8SatMay418:32:38CSTdline:noini

50、trdmem=64Mroot=/dev/mtdblock3rootfstype=romfsinit=/linuxrcCreating4MTDpartitionsonNAND64MiB3,3V8-bit: 0 x00000000-0 x00100000 : bootloader0 x00100000-0 x00400000:0 x00400000-0 x02c00000:genromfsOPTIONS -f -rw-r-r-.1rootroot42127365419:380 x02d00000-0 x03c00000:VFS:Mountedroot(romfsfilesystem)Mounted

51、 #mountall OK 2410 Rootfs made by ztg, 2013.05 (none) login: rootlogin24:rootloginonPro0 x02d00000-0 x03c00000:VFS:Mountedroot(romfsfilesystem)Mounted #mountall OK 2410 Rootfs made by ztg, 2013.05 (none) login: rootlogin24:rootloginonPro sing/etc/profile.Setsearchlibrarypathin/etc/profile Setusathin

52、/etc/profileConfigurenetdone AllDoneroot(none) /root# touch aa.txt root(none)/root#注意：u-境变量bootargs 实例建立 YAFFS2 根文件系 yaffs22解压#ll -rw-r-r1rootroot4024335#tar-xzvf 418:00#cp-avyaffs2linux-# #cp fs/yaffs2/Makefile.kernel rootlocalhostlinux-#geditrootlocalhostlinux-#geditsourcerootlocalhostlinux-#rootl

53、ocalhostlinux-#u-boot-1.1.4/tools/将在 rootlocalhost tools# ./mkimage -Arootlocalhostlinux-#rootlocalhostlinux-#u-boot-1.1.4/tools/将在 rootlocalhost tools# ./mkimage -A arm -O linux -T kernel -C -a 30008000-nlinux-dvmlinuxu-boot的bootmLinux内核映像（uImage）rootlocalhosttools#cpuImagerootlocalhostutils#rootlo

54、calhostutils#rootlocalhostutils#rootlocalhostutils#llrootlocalhostutils#cpmkyaffs2image/bin rootlocalhost utils# cp mkyaffsimage /bin -rwxr-xr-x.1rootroot146265418:13-rwxr-xr-x.1rootroot134265418:13-rw-r-r-.110001000 1739372007-rw-r-r110001000136921 月 122010-rw-r-r110001000149711 月 262009ImageSunMay

55、418:06:19Image Type:ARM Linux Kernel Image (Data1126256Bytes=1099.86kB=1.07LoadAddress:0 x30008000 Entry: Filesystems YAFFS2filesystem-512byte/page Useolder-styleon-NANDdataformatwithpageS usbyte(NEW) LetsYaffsts own ECC (NEW)UsethesameeccbyteorderasStevenHillsnand ecc 2048 byte (or larger) / page d

56、evi Autoselect yaffs2 format (NEW) Disable lazy loading (NEW)TurnoffwidetnodesForce ck erase check (NEW) CacheshortnamesinRAMrootlocalhosttftpboot#rootlocalhosttftpboot#mkyaffsimage/tmp/nfs rootlocalhosttftpboot#llrootlocalhostod666 rootlocalhosttftpboot#rootlocalhosttftpboot#mkyaffsimage/tmp/nfs ro

57、otlocalhosttftpboot#llrootlocalhostod666 注意：如果u-boot不支持yaffsu-boot添加对yaffsu-实例基于 skyeye 的移6.3.1节（实例用BusyBox建立文件系统） NFSrootlocalhostu-boot-1.1.4#servicexinetdstart rootlocalhost u-boot-1.1.4# service nfs startrootlocalhostu-boot-1.1.4#iptables-rootlocalhost u-boot-1.1.4# skyeye If you want to run ELF

58、 image, you should use -e option to indicateyourelf-formatimagefilename.Oryouonlywanttorunbinaryimage, youneedtosetthefilenameoftheimageandtryinHitanykeytostopautoboot: OK2410#runTFTPfromserver;ourIPaddressis10 FilenameuImage.Loadaddress:Loading:Bytestransferred=1140412(1166bchex) # Booting image at

59、 31000000 .ImageName: ImageType:ARM Linux Kernel Image ( DataSize:1140348 Bytes = 1.09 MBLoad Address: 30008000 Entry Po : 30008000 -rw.1rootroot45180965418:17-rw.1rootroot51004805418:18Startingkernelpressingdone,bootingtheLinux HYPERLINK mailto:(rootlocalhost.local )(gcc3.4.1)#6SatMay410:29:15CST M

60、achine:0Memorypolicy:ECCdisabled,D CPU S3C2410 (id 0 x32410000)acheS3C2410:core202.800MHz,memoryStartingkernelpressingdone,bootingtheLinux HYPERLINK mailto:(rootlocalhost.local )(gcc3.4.1)#6SatMay410:29:15CST Machine:0Memorypolicy:ECCdisabled,D CPU S3C2410 (id 0 x32410000)acheS3C2410:core202.800MHz,