實(shí)驗(yàn)03-內(nèi)核裁減與文件系統(tǒng)建立

1、實(shí)驗(yàn)三內(nèi)核裁減與根文件系統(tǒng)建立姓名:學(xué)號(hào)： 時(shí)間： 地點(diǎn):實(shí)驗(yàn)?zāi)康模菏煜?nèi)核和根文件系統(tǒng)的燒寫，裁剪的基本操作，熟悉根文件系統(tǒng)的建立實(shí)驗(yàn)設(shè)備：PC機(jī)，虛擬機(jī)Linux系統(tǒng)，開發(fā)板實(shí)驗(yàn)內(nèi)容：1. 內(nèi)核的裁剪過程的基本名令2. 文件系統(tǒng)建立busybox的配置,建立目錄,復(fù)制文件,建立文件鏡像.3. 在虛擬機(jī)pc-linux啟動(dòng)tftp服務(wù)，下載內(nèi)核和文件系統(tǒng)到開發(fā)板操作步驟：實(shí)驗(yàn)3-1內(nèi)核和根文件系統(tǒng)燒寫到flash中.此操作需要用到tftpd32.exe ，在widows下的F盤建立一個(gè)目錄img，將虛擬機(jī)上的/arm2410cl24/img 下的內(nèi)容復(fù)制到 F：/img 下。啟動(dòng) tftpd

2、32，將 current directory 指定為 f:/img。 將開發(fā)板啟動(dòng)，進(jìn)入vivi。設(shè)置服務(wù)器的ip地址和開發(fā)板的ip地址。然后，燒寫內(nèi)核和根文件。操作步驟：1）在windows下，在F盤下建立share目錄2）在虛擬機(jī)（PC-Li nuM VM sett in g-opti on 可以將F： /share設(shè)置為共享目錄。Ha加are OptionsSettingsSimmaryGeneralRed Hat Enterprise Linux 4Pwer_ Stared FoldersE wbled0. Srapshot/Replay昌 Guest IsolationEhafala

3、dj Enabled越 TookPreferencsRemote DisplayDisabled(C Unityl*L)Appliance ViewDi 站 IEQ aceDisabledAdvancedDefault/DefaijltFolder SharingR Shared folders expose your files toprograms In the virtual machine. This may put your computer 目nd your data at risk. Only enable shared folders if you trust the (/Di

4、sabledG、Always enableciO Enabled jntil next povver off or $uspernFoldersNameHost PathOshareFi (share 1Add.Remove/mn t/hgfs/share3）將/arm2410cl24/img/復(fù)制到共享目錄中root(?un-deu / J# Is zmnt/hgfs/share/root(?un-deu / Itt cp -r /airn2410-2&/ imgz /nut/ligfs/share/ root&un-deu zltt |4)在 windows 下啟動(dòng) tftpd32，將 c

5、urrent directory 指定為 F： /share5）啟動(dòng)超級(jí)終端（或者 minicom ）6)啟動(dòng)開發(fā)板，進(jìn)入 viviVIVI version 0.1 toyM01ocalhost.locdldomain) (gcc version 2.95.2 20000516 (r ease) RJ) HOJA Wed Sep 19 17:39:30 CSI 2007MMU table base address = Gx33DFC0O9Succeed memory moppina-NAND device: Manufacture ID: 0kcc: Chip ID: 0x76 (Samsun

6、g K9D1208V0M)Founduiui parameters-Find DM9000 Ethernet ControllerPress Return to start the LINUX no叭 any other key for uiuitype help for help,vivivivijn. xsn rsara j mm丹 rai察看vivi的命令vivi help就J廠:nPress Return io start the LJNUMnoh4 any other key for uiuity卩a help lor help.ULULvivi helpUsage:epu ends

7、Manage epu clocksbon (emdsi- Manage the bon file systereset- Resftt the syslemppram set!show 1 save!reset 1set/get parameterpart fadd|del 1 show|reset 1-Nonage NTD parti tionsiiem cmdsl -Manage Memoryload (.Load a file to RfiM/F-lashqo - juhp lo dump 一一 Display (hex dum卩a range of memory.call jump w

8、ith return ta boot lends一一 Etooiing linux kernelbootucos (cMds)Booting ucos systemhelp 1ends1Help about help?tf W . . 1一血t a file rrom Tfip Server io RAM/rIrishaiHoip , J-Grab an address uia bootp. No firgs.ifeonfig ip |mac|server |saveU1U1設(shè)置服務(wù)器的ip地址，設(shè)置開發(fā)板的ip地址（確保他們在同一網(wǎng)段）查看ip地址vivi ifeonfig設(shè)置服務(wù)器（PC-

9、WIN）和開發(fā)板的ip地址vivi ifeonfig server 12(服務(wù)器PC-WIN)vivi ifeonfig ip 10（開發(fā)板）vivi ifeonfig save（保存）JL 1 H -LJL Hvivi ifconfig Mac addr Our IP addr Server IP addr vivi ifconfig vivi ifconfig uiui ifconfig Saving net info. Found block size = 0x00004-000 Erasing. Writing . Written 16384

10、 bytes viui ifconfig Mac addr Our IP addr Server IP addr vivi:08:00:3e:26:0a:5b:10:12 server 192.168.1,112 ip 192.168.1 110 save.don皂 done08:00:3e:26:0a:5b10129)燒寫內(nèi)核vivi tftp flash kernel zlmagedoneDownloaded file via TFTP to 0x30000000, size - 1932484 bvt

11、es fin inage size is too large to write flash.wanted = 0x00100000, downloaded = 0x001d7cci vivi0:l7:l 自動(dòng)檢側(cè)115200 a-W-1tfiffl10) 燒寫根文件up-2410 tftp flash root root.cramfsServer interface |12Show DirConnection received from 192.1 E81.110 on port 1024Read request fo( file . Mode octet： $ent 3

12、776 blk$H 1932484 byte$ in 4 0 blk recentLDrineztion recer.-ed froTi I a2 168.1.11u cn port 1021Read【equest for file root.ciamfsj. Mode octet: sent 5706 bk翳 2920448 btes in 6 $. 0 blk resent1 1Curreht Action|: sent 570E blk禺 2920448 bytesdoneDownloaded file uio TFTP to 0x30000008, size = 2920448 byt

13、es round block size = 0x002cc000Writing. si2e 二 292048bad_black = 0.doneHritten 2928U8 bytesuiui _號(hào)轉(zhuǎn) 0:lfi:41 日動(dòng)椅iQllllEBOO a-K-LIfUN11 ) 啟動(dòng)開發(fā)板vivi bootng for restart.starting pid 3771 tty/sbin/get-L s3c2410_serialB 1152BD vtlOOprocess Vsbin/get -L s3c2410_serial0 115200 vtl00H (pid 377)exi ted. Sch

14、eduli ng for restart,starting pid 378, tty 1/sbin/getty I s3c2410_serial0 115200 vtlRQprocess n/sbin/gett -L s3c2410_serial0 115200 vtl(J0n (pid 9/8) exited. Scheduli ncj for restart.starting pid 37?, tty R： Vsbin/getty -L s9c2410 seria10 115200 vtlB0Tprocess Vsbin/gei-L s3c241B_serial0 115200 utl00

15、 (pid 379) exited. Scheduli ng for restart.storting pid 380, tty /sbin/getty -L s3c2410_serial0 115200 vtlOOprocess F/sbin/ge+ty -1 s3c241B_serial0 1152O0 utl00 (pid 380) exi ted Scheduli ng for restart.starting pid 381, tty h: /sbin/cjetty -L s3c2410_serial0 115200 vtlGOprocess Vsbin/gettv -L s3c2i

16、l0_serial0 115200 vtlOO (pid 381) exited. Scheduli ng for restari.starting pid 382, Ity /sbin/getty -L s3c2410_serialfl 115200 v1100process /sbin/geity -L s3c2il0_sorialO 115200 vtl00J (pid 382) exited. Scheduli ng for restart.starting pid 383, tty ?: /sbin/getty -L s3c2410_seridlfl 1152B0 vtlB03.2內(nèi)

17、核的裁剪過程（制作開發(fā)板的linux操作系統(tǒng)）（1） Linux內(nèi)核的獲取將 linux 內(nèi)核備份，然后裁減：# cp -arf /arm2410cl/kernel/homecp -rf /arm2410cl/ker nel/home進(jìn)入到內(nèi)核目錄：#cd /home /kernel/li nu x-#make clea n （清除以前的編譯文件）rootPMht-deu kernel tt cp -arf10c 1 /kerne 1 / /hone/root?urt-deu kerne ft |troot(?un-(leu kerne 11ft cd zhome/kerne

18、lx 1 inux-2.4 * IB-24匚 1/(2)配置內(nèi)核 # make menuconfig配置usb無線網(wǎng)卡驅(qū)動(dòng)Networki ng(協(xié)議配置)wireless- Generic IEEE 802.11 Networking Stack.config - Linux Kerne 1 u乙CtmfigurationUirelessArrou keys nauigate the nenu. selects submenus.High Iighted letters are hotkeys. Pressing includes P excludesf modularizes featur

19、es. Press to exit, for Helpj for Search. Legend: TBIP (Metricom starnode radio IP) (NEU)* Id ire less LAN (IEEE 802.11)M true 11 8xxx Libertas ULAM driuer support USB ZD1Z01 based Uireless deuice support IEEE B02.ll for Host AF CPrism2/2.5/3 and WEF/TKIF/CCMF) 7yDAS ZDlZllzZDlZllB USB-u ire less sup

20、port yDAS ZD1211 debugging rt?3 USB-uireless supportt?3 debugging buiIt-in J excluded modu1e nproued wireless configuration API- ireless extensions Generic IEEE 002.11 Netuorking Stack (Mac0O211)Generic I EEE EOZ.ll NHiopking StackEnable full debugging outputIEEE BOZ.11 UEP encryption (BOZ.lx)IEEE S

21、OZ.lli CCMP supportIEEE QOZ.lli TRIP encryptionSoftuare NAC add-on to the IEEE 802.11 netuorking stack nable full 毗hugging outputI ShslJDevice driver (無線設(shè)備驅(qū)動(dòng)配置).config - Linux Kernel 屁&.ZW Cor)figurationWireless LAN (pre-802.11)Wireless LANArrow keys nauigate the nenu. selects submenus.Highlighted l

22、etters are hotkeys, Pressing Includes excludesr modularizes features. Press to exiti for Help for Search. Legend: * built-iii L excluded module Network device support-Wireless LAN-Wireless LAN (IEEE 802.11)配置usb的多媒體設(shè)備（usb攝像頭）1） Device driver Multimedia devices Video for linux（linu 視頻處理）Multimedia de

23、u ices Arrow keys nauigate the nenu r Ent&rselects Highlighted letters are hotkeys. Pressing modularizes features. Press tosubmenus includes, excludes, exit, for Help, 2）Device driver Multimedia devices video capture adapter V4L usb device USB ZC0301P Image Processor and Control Chip support （USB攝像頭

24、驅(qū)動(dòng)）3）Device driver Graphics support Support for frame buffer devices S3C2410 LCD framebuffer support （LCD的幀緩沖支持）Support for frane buffer deu icesArrow keys nauigate the menu. selects submenus.Highliglkted letters are hotkeys. Pressing excludes nodularizes features + Press to exit for Help for Search

25、. Legend: l*J hui It-in excluded module Support for rrane buffer deu ices* J nable f irmware EDIDL*J nable Uideu Mode Handling Helpers nable Tile BlittiTg Support* Frame buffer hardware driuers * pson SID13XXX framebuf fer supportS3CZ410 LCD framebuffer support1S3CZ410 led debugs nessetgesUirtuai Fr

26、ame Buffer support (OMLV FOE TESTING!)配置NAND設(shè)備Device driver Memory Tech no logy Device (MTD) support * MTD partitio ning support*Comma nd line partiti on table pars ing.config - Linux Kernel m ConfigurationMemory Technology Device (MTD) supportArrow keys naulgate the menu. seIects submenus .

27、Highlighted Ietters are hotkeys, Pressing includes excludes, modularizes features. Press to exit, for Help, for Search. Legend: * built-in excluded module M D concatEMting supportedBoot partition table parsing cation of RedBoot part辻ion table delude naI located flash regionsForce read-only for RedBo

28、ot systen inagesConnand 1ine partition table parsinghEFI Firnware Suite partition parsing * User Modules A ltd Translation Layers * Direct char deuice access to NTD devicesmmon interface to block layer for MTD J translation layersRAM/ROM/Flash chip drivers Detect flash chips by Common Flash In terfa

29、ce (CFI) probe Detect non-CFI AMD/JEDEC-compatible flash chips Support for In tel/Sharp flash chips Support for AMD/Fujitsu flash chips Support for ROM chips in bus mapp ingNAND Device Support - NAND Flash support for S3C2410/S3C2440 SoC.config - Linux Kernel u ConfigurationNAND Flash suppor

30、t for S3CZ410/S3CZ440 SoCNAND Deuice Supportftrrow keys nauigate the wenu, selects subnenus ,High Iighted letters are hotkeys Fressing includes r EKcludes, modular izes features . Press tu ex it, for Helpj for Search. Legend: * built-in excluded module NAND Deuice Support erify NftMD page urItes N N

31、D ECC Smart Hedia byte order liable chip ids for obsolete anciETit NAND deuices配置文件的支持File systems -DOS/FAT/NT Filesystems - MSDOS fs support VFAT (Win dows-95) fs support (437) Default codepage for FAT (iso8859-1) Default iocharset for FAT NTFS file system supportS3C2410 NAND driuer debugS3C241D NA

32、ND Harduare ECCS3C241G MAMD IDLE clock stopiskOnChip 20GG, Millenniun and Hi 1lennium Flus (NAnD reinpSupport for NAND Flash SimuLator upport for generic platform NAND driuerPseudo filesystems -* Virtual memory file system support (former shm fs)* Tmpfs POSIX Access Control ListsMiscella neous files

33、ystems - YAFFS2 file system support Compressed ROM file system support (cramfs).config - Linux Kernel uZ.6.Z4.4 ConfigurationII i see 1 laneous f i lesystems Arrow keys nauigate the menu. selects submenus .Highlighted letters are hotkeys. Pressing includesj excludes, modularizes features. Press to e

34、xit, for Helpj for Search. Legend: * built-in excluded module lets Vaffs do 辻w own ECCZ048 lyt巳(or larger) / page deuices*futoselect yaffsZ formatIisable lazy loading urn off uide tnodes Force chunk erase check* Cache short manes in RAM ournalling Flash File System uZ (JFFSZ) supportCompr亡ssud RON i

35、l亡 system support (urdmfs) FreeUxFS file system support (UERITAS UxFS(TM) compatible) OS/2 HPFS file system support* Network File Systems -* * *NFS file system supportProvide NFSv3 clie nt supportProvide clie nt support for the NFSv3 ACL protocol exte nsionProvide NFSv4 clie nt support (EXPERIMENTAL

36、)Allow direct I/O on NFS files*保存后退出配置窗口，產(chǎn)生.config文件。.config - Linux Kernel uZ.6.Z4.4 ConfigurationI Netuork File SustemsNFS server supportRoot file system on NFNetuork File SystensArrow keys nauigate the menu, selects submenus Highlighted letters are hotkeys r Pressing includesj excludesj nodulariz

37、es features, Press to exit, for Helpj for Search. Legend: *1 built-in excluded module N S Fib system supportrauide NFSuS cl lent support*rouide client support for the NFSu3 ACL protocol exten* Frouide NFSu4 client support (EXPEBIMENTAL) llau direct I/O on NFS files N S seruer support*J Hacrt f i le

38、system an NFS upport for rpcbind versions 3 S 1 (EXPEH1I1EI1TAL) Secure RFC: Kerberos U mechanism (EXPERIMENTAL) Secure RFC： SFKM3 mechanism (EXPERIMENTAL)(3)修改 Makefile 文件 #vi MakefileARCH ?=armCROSS COMPILE ? = arm-linux-IIt0：IH?=armh193 R1?= arnn iniix10 raGi*iin-dev ： /3.rniE410- E6/kernel f 1 i

39、nux- 2. 6. 24Shell - KdH&alexecutahlcs uicdARCHhK8664) SB AiRCH ：= x86ABCHARCH J386)ARCH ：= x8bUT3J1ACHINE sfcIbch口 xShall會(huì)話編輯査看書簽設(shè)蚩幫助編譯內(nèi)核# make zlmage(需要一些時(shí)間，可以不作這一步)(6)查看編譯好的內(nèi)核 zlmage：# cd arch/arm/boot# Is將編譯好的內(nèi)核zImage復(fù)制到共享目錄/share下# cp zImage /mn t/hgfs/share*(8)按照前面燒寫的步驟，燒寫zImage到開發(fā)板(這一步不用做) (9

40、)清除剛才做的工作，方便后面同學(xué)做該內(nèi)容。# cd /homeLrootum-deu rootur-deu root(?un-deu rootun-deu# rm -rf kernelJ inux-2,b.24.4# ui Makefile 1 inux-2.6 .24.41it cd /home/ homeIt rm -rf kernel/ homelltt | Shell實(shí)驗(yàn)3-3.建立文件系統(tǒng)(1) 獲取 busybox 源代碼，在/arm2410cl26/rootfs 目錄下。#cd /homeroot(?um-deu lioweltt cp -arf zarn2410-26rootf

41、sz -C cp：無效選項(xiàng)一C請嘗試執(zhí)行cp help來獲取更多信息亠root(?un-deu hone in cp -arf zarM2410-Z6/root f s/ -c root(?un-deu home# Is ，/rootfs/busybox-1.1Z.2 rootfs root(?um-deu home lit I進(jìn)入至U busybox目錄：#cd /home/rootfs/busybox-1.12.2rootPun-deu busybox-1AZcd /home/rootfs/busybox-1.12*2/ (rootBun-deu busybox-1.12 .ZJ4t |#

42、 make clea nrootPum-deu busybox-1.1Z.Zltt make clEanCLEAN appletsCLEAN ,tmp_uersions _instal1CLEAN busybox husybox_unstripp已d busybox_uhstripped.nap husybox_unstripped.o ut busybox,inks ,kerne Irelease root(?un-deu busybox-1 r 1Z .Zltt |7Z Shell# rm -f _installrootuft-deu busybox-l.lZ.2U Is -ft .ind

43、arch iua 1eZfsDrocrs1 ibnudcrrnnaJcefiie .flagsMakefile.helpH J* J II t llL 1Ssex* i u t s se 1 irnixJ*v4-r X Koi ijj Iz I nrf /I_|L _ _J_ _ _ Jk. _TODOAUTHORSLICENSE,config|J rucpsT0D0_conf ig_nonnuConfig.inMakefileREADME_ a JL Z 1itH 心.config.oldllakef i le, customroot&urt-deubusybax-l. 12.

44、Zl*t rm -rf INSTALLrooteun-devbtisybox-l.lZ.2# |(3)酉己置 busybox 的命令 #make menuconfig（刪除一些命令選項(xiàng)，只選擇有限的一些命令）BusyBox 1.1Z.2 ConfigurationArrow leys nauigate the menu. selects submenusHighlighted letters are hotkeys. Pressing in匚1udes excludes nodularizes features, Press to exiti for Helpf for SearchT Leg

45、end: *1 built-in L J excluded moduLe Busy box Settings -:Appletsrchiual Ut i1 it ies oreutiIs nsole Utilities ebian Util 辻 1亡s d itors inding Util ities nit Ut i 1 it ies f og in/Fassword Flanagement Ut i 1 it ies inux ExtZ FS Progs rootPum-deu busybox-1.1Z.Z It nake dep * Uarnhig： make dep is unnec

46、essary now.Eroot(?um-djeu busybax-l.lZ.21tt |圉 Si Shall(5)編譯生成 busybox #makecccoreuti1s/d f.occcoreuti1s/dirnane,occcoreuti1s/dos2un i xcc匚oreuti1s/du.qcccoreuti1s/echq.occcoreutils/enu.occcoremtils/expand.occcoreutils/expr.occcoreutilszfalse.acccoreuti1s/fold.occcoreuti1szhead.occcoreut i1szhostid

47、occcoreutilszid.occcoreut i1s/i nsta11,occcoreuti1szlengthsocccoreutils/ln cccoreu ti+occcoreutiIs/ls occcoreut iIs/md5_sha1_sur cccoreuti Ls/mkdir cccoreutiIs/mkfifo.occcoreutiIs/mknod.occcoreuti Is/rnu .occ1coreutiIs/nice.om 4 Shell- -j*-.$B1 1 i%(6) 安裝 busybox，生成目錄 _i nstall: # make in stallEroot

48、Bun-deu busybox-1.1Z.ZJtt make install ./_install/bin/ - busybox ./install/bin/E - busybox./_i nsta 11/b i n/addgroup - busybox* z_insta 11zb in/adduser - busybox.insta 11/bin/ar - busybox.z_insta 11zb in/arp ing busybox ./_instal1/bin/ash - busybox./_insta 11/b in/awkbusybox./_install/bin/basename

49、- busybox nsta 11/b in/bunz ipZ - bustjhox./_insta 1l/bin/bzcat - busybox.z_insta 1l/bin/bz ip2 - busybox ,z_install/bin/cal - busybox,/_i nsta 1l/b i n/cat - busybox，/_instal 1/bin/匚“tu - bustjbox，/_ipstal1/bin/chat - busybox ，/_insta11/bin/chattr - busybox ./installzbin/匚hyrp - busybox .insta 11Zbin/chnod - busybox ./_install/binz匚homn - busybox(7)察看nsatall目錄下的內(nèi)容：# cd _install#lsfrootSum-deu busybox-1T12.2 J tt cd instaliz Iroot(?umdeu _insta 11 tt Isb in 1inuxrc b i nrooteum-deu _instalUtt 0(查看這些命令)IrootBum-dtu binlil Isdea Hncuttiled ivrmte1 netr點(diǎn)七】grouphexdurrp