SkyEye??

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SkyEye??

• xlanchen_at_2007.5.28

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???????

• ????????
• ???????????
• ??????????
• ???????????
• ??????????????
• ?????????????
• ???????????

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• ????????
• ?????????????
• ??GNU Tools??
• GCC? binutils? Gdb? make?ld
• ??GNU Tools??????????

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???????

• SkyEye??
• SkyEye??????

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SkyEye??

• SkyEye?????????,????????
• SkyEye??????
• ?????????????????????,???????????????,??????????
  ??????????????

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• SkyEye???????Linux?Windows????????????????,?????
  ???????????
• ????SkyEye???????
• 1)?????????,?ARM Linux?µClinux?µC/OS-II?elastos2
  )??????,??? ?TCP/IP???-lwIP,?????-MiniGUI?
• ???????????????????????

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SkyEye??????

• ??,SkyEye????????,??CPU??????????????????????????
  ?????
• CPU??????
• ??SkyEye?????CPU?????ARM???CPU,??ARM7TDMI,ARM720T,
  ARM9TDMI,ARM9xx,ARM10xx,StrongARM,XScale?

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• ??SkyEye????????
• ??Atmel 91X40/AT91RM92 CPU????,??Crirus Logic
  ep7312???????StrongARM CPU?ADSBITSY???,??XScale
  PXA250 CPU?LUBBOCK??????SAMSUNG S3C4510B/S3C44B0
  CPU???????SHARP LH7A400 CPU???????Philip
  LPC22xx CPU??????
• ???????????????????RAM?ROM?LCD???????????

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• ????????????
• MMUMemory Management Unit,???????,??????????????
  ?
• MMU????????1)???????????2)???????????
• MMU???,??????????????

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• TLB,Translation Lookaside Buffers?MMU?,??????????
  ??????
• ??????????????????,??,???????
• ?CPU???????????,????TLB?????????
  ?????,??????,?????translation table,??Translation
  Table Walk(??TTW)???TTW???,?????????TLB?????TLB??
  ??????????

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• CACHE,????????????????,???????????????,??????CPU?
  ??????????
• write/read buffer????write/read
  buffer????????CACHE??????

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• MMU?CACHE?write/read buffer??????CPU???????,?????C
  PU?MMU?CACHE?write/read buffer????????????????????
  ???CPU?MMU/CACHE,SkyEye????????MMU/CACHE??????????
  ????????????????MMU/CACHE??????????

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• ????
• ??SkyEye???????8019AS,
• ????NE2000??,??16KRAM???,10MB?????
• ???????????????????8019AS,?????????????????8019AS
  ????

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SkyEye???

• Linux????
• WindowsMingW?cygwin

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?Kubuntu???SkyEye

• ?????Linux???
• uname????????????uname --help????uname???????

????
???
????
??????
????????
??????
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?Kubuntu???SkyEye

• ???????
• ?????,?????
• ?????????

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?Kubuntu??????????

• ??????SkyEye?????
• ?www.skyeye.org?????????
• ?????????????
• ??????????
• /usr/local/ ??/opt/
• bz2????tar -xjvf ?????

?
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?Kubuntu??????????

• skyeye???????????bin????
• ?skyeye??????PATH
• ??/.bashrc???? export PATHPATH????/skyeye-ins
  ight/bin(???)

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• ??????.bashrc??,????????,?????????
• ????????
• ??echo PATH
• ?sky??tab???
• OK?
• ??skyeye,????skyeye???,??

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SkyEye???

• ?uCLinux???????????uCLinux
• ????uCLinux????????????
• ?skyeye?????uCLinux??

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????????

• www.uclinux.org?uCLinux??????????????
• ?arm-elf-tools-20030314.sh
• ??
• ?root?????
• sh ./arm-elf-tools-20030314.sh
• ????
• ? arm-elf??shell?tab?????????arm-elf?????,?
• binutils???gcc?gdb??
• ???????arm-elf-gcc -v

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??arm-elf-gcc

• ???

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??arm-elf-gcc

• ??
• arm-elf-gcc -Wl,-elf2flt -o hello hello.c
• ???????
• hello?hello.gdb
• ??hello???
• file hello
• ????hello???

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???
-Wl,-elf2flt???????elf?????flt??
?????
BFLT??binary FLAT
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??hello

• hello???target???,???host?
• ????target?????
• skyeye???
• uCLinux??????
• ??????
• ??

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??uCLinux????

• ????
• ??skyeye???????
• ????????uCLinux

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????uClinux

• ?uClinux?????????
• ????????uClinux-dist-20051110
• ??tar -xzvf???,??uClinux-dist??
• ?uClinux-dist???
• ?????uClinux??make config?vendor/product?????G
  DB/ARMulatorKernel????2.4.x??????(??????)

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• ???????uClinux???????make dep make
• ?????
• uClinux-dist????????images??
• ?linux-2.4.x????linux?system.map

image.bin ??Linux?????romfs?????? ?????flash?
linux.data?????????
linux.text??Linux??????
romfs.imgromfs??????
linuxlinux????
system.map?????
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?skyeye??µcLinux

• ???,??skyeye???????
• vi skyeye.conf
• ???,???????boot.rom
• ??ln -s images/romfs.img boot.rom

?romfs???flash?
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• ???,?skyeye???uCLinux
• ??sudo skyeye linux-2.4.x/linux
• ??skyeye?,
• ??1target sim
• ??2load
• ??3run
• ??uCLinux

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????
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????uCLinux?????

• ??skyeye?????
• skyeye-binary-testutils-1.2.0
• ??tar -xjvf ???

?
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• ??uCLinux????????
• ??skyeye??µcLinux
• skyeye linux
• target sim
• load
• run

????
???flash??
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???,?hello???uCLinux?romfs?????

• ?boot.rom?????host???,????
• mkdir romfs
• mkdir /mnt/tmp
• mount -o loop boot.rom /mnt/tmp
• cp -r /mnt/tmp/ romfs
• ?hello???romfs??bin???
• ????boot.rom??
• genromfs -f boot.rom d romfs/

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??/mnt/tmp??
Boot.rom?romfs???,?????tmp???
?tmp??????????????romfs???
??romfs????
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??hello?/bin???
????boot.rom
??boot.rom
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??hello

• ???????
• ???????????????????
• skyeye
• file linux
• target sim
• load
• run
• ??hello

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?uCLinux???,????
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review

• SkyEye??
• SkyEye??????