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Redboot°²×°Àú³Ì
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(ת×Ô£ºhttp://www.linuxforum.net) Samfei (samfei@163.com) ×¢: ±¾ÎĵÚÒ»´Î·¢²¼ÔÚ http://www.embedzone.com/bbs/dispbbs.asp?boardID=7&ID=266, ÓÉÓÚ²¹¶¡ÎÊÌâ,ÔÚ´ËÌùÒ»ÏÂ,. ¼ò½é: ±¾ÎÄÊDZ¾ÈËΪ¹¤×÷ÐèÒª¶øÊÔÑéredbootµÄÒ»¸ö¹ý³Ì,ÎÒÖ»ÊǼǼÁËÊÔÑéµÄ¹ý³Ì,Ï£ÍûÄܶԱðÈËʹÓÃredbootÓÐЩ°ïÖú. ±¾ÎÄûÓÐϵͳÐÔ½éÉÜredboot, Ïà¹ØÖªÊ¶Çë²Î¿¼ÆäËû×ÊÁÏ.ÎÄÕÂÖоßÌåÐ޸ĵÄÄÚÈÝÏêϸ¿ÉÒÔ¿´¸½¼þpatch. Ò» Ä¿±ê ¹«Ë¾¹ºÂòÁËEV40¿ª·¢°å:CPU AT91M40800, ÄÚ´æ2M+2M(À©Õ¹), FLASH 2M+4M(À©Õ¹), RTl8019ASоƬ, FLASHÊÇAM29LV160TE(2M) ¹«Ë¾×Ô¼º¿ª·¢×ÔÓõİå×ÓWX10: CPU AT91M40800, ÄÚ´æ4M, FLASH 8M, RTl8019ASоƬ, FLASHÊÇAM29LV641(8M)¼°ÆäËûÓ¦Óù¦ÄÜоƬ. ÎÒÖ÷ÒªµÄ¹¤×÷ÊÇ¿ª·¢ÏµÍ³µÄÇý¶¯Èí¼þ,Òò´ËÐèÒªËæÊ±ÐÞ¸ÄÄÚºËÇý¶¯,²¢µ÷ÊÔ,Òò´Ë×°ÈëºÍÆô¶¯µÄËٶȶԹ¤×÷ЧÂÊÊDZȽϹؼüµÄ.ÒòΪÓÃhitoolÉÕ¼·½Ê½Æô¶¯ uclinuxÄں˷½Ê½ÐèÒª6~10·ÖÖÖÒ»´Î.Ìý¡±Ç¶ÈëʽlinuxȺ¡±kingmonkey˵¿ÉÒÔʹÓÃredboot, Òò´Ë¾ö¶¨ÊÔÊÔ. ¶þ »·¾³½¨Á¢ redbootÊÇecos²Ù×÷ϵͳµÄÒ»²¿·Ö,Ò²ÊÇecos²Ù×÷ϵͳ×îСÅäÖõİ汾.Òò´ËҪʹÓÃredboot,±ØÐ뽨Á¢ecos²Ù×÷ϵͳ»·¾³. µ½ÍøÕ¾ http://sources.redhat.com/ecos/ ²éÕÒÆä°²×°·½·¨,°´ÕÕ˵Ã÷²ÉÓÃÁËÆäÍøÂ緽ʽ°²×°,ʹÓÃ: # wget --passive-ftp ftp://ecos.sourceware.org/pub/ecos/ecos-install.tcl ÏÂÔØ°²×°ÃüÁî,²¢ÔËÐÐ: # sh ecos-install.tcl °²×°ÁËecos 2.0.ÎÒ°ÑÕâ¸ö°²×°ÔÚ/rh80/ecosÏÂ.ECOS_REPOSITORY¾ÍÊÇ/rh80/ecos/ecos-2.0. ÔËÐÐ : # cd /rh80/ecos # . ecosenv.sh ÉèÖû·¾³±äÁ¿. ÓÉÓÚlinux²Ù×÷ϵͳÖÐÒѾ°²×°ÁË http://www.uclinux.org/pub/uClin ... f-tools-20030314.sh Òò´ËÎÒ°²×°ecosʱ,ûÓÐÑ¡Ôñ°²×°arm-elf GNU tools¹¤¾ß. Èý ±àÒëredboot ÓÉÓÚecosÊǸö¿ÉÅäÖõIJÙ×÷ϵͳ,Òò´ËÏÂÔØ°²×°µÄʵ¼Ê¾ÍÊÇÒ»¸öÅäÖõIJֿâ,Òª±àÒëredboot¾Í°´ÕÕÐèÒª½øÐÐÅäÖÃ.ÅäÖõķ½Ê½Ê¹ÓÃÅäÖù¤¾ßecosconfig, Ò²ÓÐͼÐη½Ê½ÅäÖù¤¾ßµÄ,ÎÒûÓÐÓÃ,Ö»ÓÃ×Ö·û½çÃæµÄecosconfig. ÓÉÓÚEV40ÀàËÆEB40, Òò´ËÎÒµÄÃüÁîÊÇ: # mkdir rom # cd rom # ecosconfig new eb40 redboot #ecosconfig import /rh80/ecos/ecos-2.0/packages/hal/arm/at91/eb40/current/misc/redboot_ROMRAM.ecm #ecosconfig tree #make ½á¹û±àÒë³öÏÖ´íÎó. Òò´Ë»³ÒɱàÒëÆ÷²»¼æÈÝ,ÓÚÊÇÖØÐ°²×°ecos,´ËʱѡÔñarm-elf¹¤¾ß.´ËʱÔËÐÐ. Ecosenv.sh ʱ,ÐÂÏÂÔØµÄ¹¤¾ßµÄ·¾¶°üº¬ÔÚPATHÖÐ, ÖØÐ½øÐÐÁËredbootÉú³ÉºÍ±àÒë,ÕýÈ·Éú³ÉÁËinstall/bin/redboot.binµÈÎļþ. ½«redboot.binÓÃhitoolÉÕдµ½EV40µÄflashÖÐ,Æô¶¯,ûÓÐÈκη´Ó¦.ÖØÐÂÑ¡ÔñredbootµÄROM°æ: # ecosconfig new eb40 redboot #ecosconfig import /rh80/ecos/ecos-2.0/packages/hal/arm/at91/eb40/current/misc/redboot_ROM.ecm #ecosconfig tree #make ±àÒë,ÉÕ¼,ÔËÐÐ,ÈÔÈ»ÎÞ·´Ó¦. ËÄ ÅäÖÃÓ²¼þ²ÎÊý ÓÉÓÚEB40ºÍEV40²»ÍêÈ«Ïàͬ,Òò´ËÊ×Ïȼì²éÓ²¼þ²ÎÊýµÄÅäÖÃ,ÕÒµ½ÅäÖõÄÎļþÊÇ: ecos/packages/hal/arm/at91/eb40/current/include/hal_platform_ints.h Ö÷ÒªÊÇAT91_EBIÅäÖòÎÊý±í, EV40ÊÇ: _InitMemory: .long 0x01002529 @ 0x01000000, 16MB, 2 cycles added after transfer, 16-bit, 6 wait states .long 0x020020a1 @ 0x02000000, 16MB, 0x02002121 0 cycles added after transfer, 16-bit, 1 wait state .long 0x03002529 @ unused .long 0x40000000 @ unused .long 0x02202021 @ unused ,CS 4 .long 0x02302021 @ unused ,CS 5 .long 0x60000000 @ unused .long 0x70000000 @ unused .long 0x00000001 @ REMAP commande .long 0x00000006 @ 7 memory regions, standard read .long AT91_EBI @ EBI address .long 10f // address where to jump WX10µÄÅäÖÃÊÇ: _InitMemory: .long 0x01002529 // 0x01000000, 16MB, 2 cycles after transfer, 16-bit, 6 wait states .long 0x020020a1 // 0x02000000, 16MB, 0 cycles after transfer, 16-bit, 1 wait state .long 0x03002529 // unused .long 0x30000000 // unused .long 0x40000000 // unused .long 0x50000000 // unused .long 0x60000000 // unused .long 0x70000000 // unused .long 0x00000001 // REMAP command .long 0x00000000 // 7 memory regions, standard read .long AT91_EBI // External Bus Interface address .long 10f // address where to jump ÕâÀïÎÒҪ˵Ã÷µÄÒ»µãÊÇEV40ºÍWX10µÄÇø±ð, EV40ÊÇÓõ½CS6µÄ,¶øWX10ÊDz»ÓÃCS6µÄ, EV40ÓÐÀ©Õ¹ÄÚ´æ,ÓÉCS4ºÍCS5ÅäÖÃ. EV40Íø¿¨µØÖ·ÊÇ0x40010000, ¶øWX10µÄÍø¿¨µØÖ·ÊÇ0x03210000. ÐÞ¸ÄÁËÅäÖúó, ±àÒë,ÉÕ¼,ÔËÐÐ,ÈÔÈ»ÎÞ·´Ó¦. ÏòkingmonkeyÌÖ½Ð,kingmonkeyÈÏΪ¿ÉÄÜÊÇecos°æ±¾²»ÊÇ×îеÄÔµ¹Ê,½¨ÒéÓÃcvsÏÂÔØ×îеİ汾. ÓÃecos-install.tclÊÇ×îеÄÎȶ¨°æ,µ«²»ÊÇ×îеÄ. Îå °²×°cvs°æecos °²×°·½·¨²Î¿¼ÍøÕ¾ÖÐAnonymous CVS: # cd /rh80/ecos # cvs -d server:anoncvs@ecos.sourceware.org:/cvs/ecos login ¿ÚÁîÈÎÒâ # cvs -z3 -d server:anoncvs@ecos.sourceware.org:/cvs/ecos co -P ecos ÕâÑùÄØ¾ÍÏÂÔØµÄ×îеÄecos,Ŀ¼ÊÇ/rh80/ecos/ecos, ÐÞ¸Äecosenv.shÖÐ ECOS_REPOSITORY=/rh80/ecos/ecos/packages ; export ECOS_REPOSITORY ÕâÑùÄØ,¾ÍʹÓÃ×îÐÂÓÃcvsÏÂÔØµÄecosÁË.ÔÀ´µÄecos-2.0ÈÔÈ»±£Áô,²¢Ê¹ÓÃÆäÏÂÃæµÄecosconfigµÈ¹¤¾ß,²»ÓÃÖØÐÂÈ¥ÏÂÔØecosconfig¹¤¾ßÁË. Áù ÖØÐ±àÒëredboot °²×°µÚÈý½ÚµÄ·½·¨ÖØÐ±àÒëredboot,µ«ÈÔÈ»ÎÞ·¨¹¤×÷.Òò´ËÖ»ºÃÈ¥¿´×ÊÁϺʹúÂë.²¢ÇÒÏÂÔØÁËÍøÕ¾ÉÏÔ¤±àÒëºÃµÄreboot.binÀ´ÊÔ,ÈÔȻûÓÐÈκη´Ó¦. ×ÐϸÔĶÁÁËecos²Î¿¼ÊÖ²á: http://ecos.sourceware.org/docs-latest/ref/ecos-ref.html ÖйØÓÚInstallation and Testing²¿·ÖÖÐARM/ARM7 Atmel AT91 Evaluation Boards (EBXX)µÄ×ÊÁÏ,ËüÔËÐÐredbootµÄ·½Ê½ÊÇͨ¹ýangelºÍarm-elf-gdbµÄ·½Ê½µÄ,Òò´ËÎÒ¾ÍÏëÏȰ´ÕÕÆä·½Ê½ÊÔÒ»ÏÂ. °ÑangelÉÕ¼µ½EV40°åÉÏ,È»ºó±àÒë³öredbootµÄRAM°å(ÉÏÃæÃüÁîÖÐredboot_ROM.ecm¸Ä³É redboot_RAM.ecm¾ÍÊÇ).È»ºó°²×°ÊÖ²á,³É¹¦Æô¶¯ÁËredboot! ½áºÏÇ°Ãæ¿´ÁËredbootµÄһЩ´úÂë,»³ÒÉȱʡµÄEV40ÅäÖÃÊÇÖ»ÄÜÔÚangel·½Ê½ÏÂÆô¶¯µÄ. Æß ÐÞ¸ÄredbootÅäÖà ¾¹ýÔĶÁÆäÎļþ, ·¢ÏÖ±àÒëÃüÁîÎļþinstall/lib/target.ldÖÐ: __reserved_bootmon = 0x01000000; . = __reserved_bootmon + 0x10000; ½«ÔËÐпªÊ¼Î»ÖúóÒÆÁËÒ»¸ö0x10000, Õâ¸ö¿ÉÄÜÊÇÔì³É²»ÄÜÖ±½ÓflashÆô¶¯µÄÔÒò.¾¹ý¼ì²é,ÐÞ¸ÄÁ˶ദ¸úÕâ¸öÓйصĵط½: 1. ecos/packages/hal/arm/at91/eb40/current/include/hal_platform_ints.hÖÐ0x1010000 ¨¤ 0x100000 2. ecos/packages/hal/arm/at91/eb40/current/include/pkgconf/mlt_arm_at91_eb40_rom.hÖÐ #define CYGMEM_SECTION_reserved_bootmon_SIZE (0x10000) ¸Ä³É #define CYGMEM_SECTION_reserved_bootmon_SIZE (0x00000) 3. ecos/packages/hal/arm/at91/eb40/current/include/pkgconf/mlt_arm_at91_eb40_rom.ldiÖÐ CYG_LABEL_DEFN(__reserved_bootmon) = 0x01000000; . = CYG_LABEL_DEFN(__reserved_bootmon) + 0x10000; ¸Ä³É: CYG_LABEL_DEFN(__reserved_bootmon) = 0x01000000; . = CYG_LABEL_DEFN(__reserved_bootmon) + 0x00000; [mlt_arm_at91_eb40_rom.ldi¾ÍÊÇÉú³Érom°æredbootÖÐtarget.ldµÄÒÀ¾Ý.] È»ºóÖØÐÂÅäÖÃredbootºÍ±àÒë,ÔËÐÐ,ÉÕ¼µ½EV40,Õý³£Æô¶¯ÁËredboot. ^_^ [´Ëʱ³öÏÖÒ»¸ö·Ç³£ÌÖÑáµÄÎÊÌâ,¾ÍÊÇEV40°å×ÓÒ»ÔËÐÐredboot,·äÃùÆ÷²»Í£µÄ½Ð.ÎÒûÓÐÈ¥¼ì²éΪʲôÕâÑù!ºóÀ´Ö»ºÃÔÚ×Ô¼º¹«Ë¾µÄ°å×ÓÉÏÊÔÁË.] °Ë ÅäÖÃflash ÓÉÓÚEB40²ÉÓõÄflashоƬºÍEV40²ÉÓõÄоƬÊDz»Ò»ÑùµÄ,Òò´ËºÜÕý³£µÄ½á¹ûÊÇÎÒÃÇµÚÆß½Ú±àÒë´¦ÀíµÄredbootÊDz»ÄÜÕýȷʶ±ðEV40µÄflashоƬ.Òò´Ë¾Í±ØÐ뿼ÂÇÐÞ¸ÄflashÇý¶¯. ´Ëʱ±¾È˶ÔÈçºÎÐ޸Ϲ²»ÊÇÌ«Çå³þ,Òò´ËÖ»Òª¹Ô¹ÔµØÈ¥¿´ecosµÄ×ÊÁÏ.ÕýºÃͬÊÂÂòÁËÒ»±¾ecosµÄÊé,ÕâÑù¾ÍÊ¡ÁË¿´Ó¢ÎÄ×ÊÁϵÄÂé·³. ´Ó×ÊÁÏÉÏ,¿ÉÒÔÖªµÀÐÞ¸ÄÅäÖÃ,Ö÷ÒªÊÇÐÞ¸ÄcdlÎļþ. ¸úEB40ÓйصÄflash°üÊÇ: Package CYGPKG_DEVS_FLASH_EB40 (FLASH memory support for Atmel AT91/EB40): Package CYGPKG_DEVS_FLASH_ATMEL_AT29CXXXX (Support for Atmel AT29Cxxxx flash memory): ÎҾͰÑCYGPKG_DEVS_FLASH_EB40°üÖвÉÓõÄATMELоƬµÄ°ü¸Ä³É: CYGPKG_DEVS_FLASH_AMD_AM29XXXXX ¾ßÌåÐ޸ĵÄÎļþÊÇecos/packages/devs/flash/arm/eb40/current/cdl/flash_eb40.cdl: ÐÞ¸Ä requires CYGPKG_DEVS_FLASH_ATMEL_AT29CXXXX Ϊ requires CYGPKG_DEVS_FLASH_AMD_AM29XXXXX ÐÞ¸Ä cdl_interface CYGINT_DEVS_FLASH_ATMEL_AT29CXXXX_REQUIRED { display "Generic Atmel AT29CXXXX driver required" Ϊ cdl_interface CYGINT_DEVS_FLASH_AMD_AM29XXXXX_REQUIRED { display "Generic Amd AM29XXXXX driver required" ÐÞ¸Ä implements CYGINT_DEVS_FLASH_ATMEL_AT29CXXXX_REQUIRED Ϊ implements CYGINT_DEVS_FLASH_AMD_AM29XXXXX_REQUIRED Ôö¼Ó requires CYGHWR_DEVS_FLASH_AMD_AM29LV160. ÕâÀïÌØ±ðÊÇҪ˵Ã÷µÄÊÇ×îºóÕâÒ»ÐÐ, ÒòΪCYGPKG_DEVS_FLASH_AMD_AM29XXXXXÖ§³Ö¶àÖÖоƬ,ÔÚÅäÖõÄʱºò,ÐèÒªÖ¸¶¨ÄÄЩоƬ¿ÉÒÔʶ±ð,¸Õ¿ªÊ¼µÄʱºòecoscofing treeºÍ±àÒëºó,¾ÍÊÇûÓп´µ½Çý¶¯³ÌÐò°üº¬½øÈ¥,ŪÁ˰ëÌì²Å¸ãÃ÷°×,Èç¹ûÒ»ÖÖоƬҲûÓÐÑ¡,ÔòÇý¶¯³ÌÐò¾Í²»°üº¬½øÈ¥.Òò´ËÐèÒª¼ÓÈëÖÁÉÙÒ»ÖÖоƬµÄÑ¡Ôñ,×îºóÒ»ÐоÍÊÇÑ¡ÔñAM29LV160µÄоƬ. ͬʱÐÞ¸Ä ecos/packages/ecos.db µÄtarget eb40ÖÐ: ÐÞ¸Ä CYGPKG_DEVS_FLASH_ATMEL_AT29CXXXX Ϊ CYGPKG_DEVS_FLASH_AMD_AM29XXXXX ÔÙÐÞ¸Äecos/packages/devs/flash/arm/eb40/current/src/eb40_flash.c: Ôö¼Ó #define CYGNUM_FLASH_WIDTH 16 ÐÞ¸Ä ££i nclude "cyg/io/flash_at29cxxxx.inl" Ϊ ££i nclude "cyg/io/flash_am29xxxxx.inl" ´Ëʱ,ÓÉÓÚEV40°å×ÓÂҽеÄÔÒò,ÎÒÊÇÓÃÎÒÃÇ×Ô¼ºµÄ°å×ÓWX10À´µ÷ÊÔÁË,¶øWX10²ÉÓõÄflashÊÇAM29LV641,ÓëAM29LV160ÊÇÓÐÇø±ðµÄ,Òò´ËÎÒ´ò¿ªÁËflashµ÷ÊÔ,×Ô¼ºÔö¼ÓÁËһЩµ÷ÊÔÓï¾ä,ÔËÐкó,È»ºóÔö¼ÓÁËAM29LV641µÄÇý¶¯,¾ßÌåÎļþÊÇ ecos/packages/devs/flash/amd/am29xxxxx/current/include/flash_am29xxxxx_parts.inl, Ôö¼ÓÁËAM29LV641ÅäÖÃ: + { // MBM29LV641 + device_id : FLASHWORD(0x22d7), + block_size : 0x10000 * CYGNUM_FLASH_INTERLEAVE, + block_count: 32, + device_size: 0x200000 * CYGNUM_FLASH_INTERLEAVE, + base_mask : ~(0x200000 * CYGNUM_FLASH_INTERLEAVE - 1), + bootblock : true, + bootblocks : { 0x000000 * CYGNUM_FLASH_INTERLEAVE, + 0x004000 * CYGNUM_FLASH_INTERLEAVE, + 0x002000 * CYGNUM_FLASH_INTERLEAVE, + 0x002000 * CYGNUM_FLASH_INTERLEAVE, + 0x008000 * CYGNUM_FLASH_INTERLEAVE, + _LAST_BOOTBLOCK + }, + banked : false, + bufsiz : 1 + }, ¾ßÌ廹ÊÇ·ÅÔÚCYGHWR_DEVS_FLASH_AMD_AM29LV160ÏÂ,ÕâÑùÉÏÃæµÄcdl²»ÓÃÐÞ¸Ä.[ÉÏÃæµÄÐÞ¸ÄÖÐÎÒûÓÐÐÞ¸ÄflashµÄÈÝÁ¿,ÒòΪAM29LV641ÊÇ8MµÄ,ÎÒ»¹ÅªÇå³þÈçºÎ¸Ä!ÎÒ¾ÍÏȰÑËüµ±³É2MʹÓÃ.] ¾¹ýÉÏÃæµÄÐÞ¸Ä,ÖØÐ±àÒëÔËÐкó,redbootÄܹ»Õýȷʶ±ðÁËflashµÄ. ^_^ ¾Å Íø¿¨Çý¶¯ googleÁË¡±ecos 8019as driver¡±,²éµ½Á˶þ¸ö½á¹û,ÎҰѶþ¸öÇý¶¯°ü¶¼ÏÂÔØÏÂÀ´ÁË.È»ºó·Ö±ð²âÊÔÁËÒ»ÏÂ,µ«¶¼Ã»Óгɹ¦. ÎÒ×îºóÑ¡Ôñdp83902aÕâÖÖ·½Ê½ÖصãÑо¿. Ê×ÏÈÏÂÔØÆäÈí¼þ°ü,½âѹµ½ÏàÓ¦µÄĿ¼. È»ºóÔö¼ÓÁËCYGPKG_DEVS_ETH_RLTK_ISA8019AS ¶¨Òå. ÓÉÓÚEB40ûÓÐÍø¿¨Çý¶¯,Òò´ËÖ»ºÃ×Ô¼ºÔö¼ÓÅäÖÃ.¾ßÌåÊÇredboot_ROM.ecmÖÐÔö¼Ó: package -hardware CYGPKG_DEVS_ETH_RLTK_ISA8019AS current ; package -hardware CYGPKG_DEVS_ETH_NS_DP83902A current package CYGPKG_IO_ETH_DRIVERS current ; È»ºóÔÚÎļþecos/packages/devs/eth/rltk/isa8019as/current/include/devs_eth_rltk_isa8019as.inlÖÐÐÞ¸ÄÍø¿¨µÄÆðʼµØÖ·ºÍÖжÏ: static dp83902a_priv_data_t dp83902a_eth0_priv_data = { base: (cyg_uint8*) 0x03210000, interrupt: 17, tx_buf1: 0x40, tx_buf2: 0x48, rx_buf_start: 0x50, rx_buf_end: 0x80, hardwired_esa: false, }; È»ºó±àÒë,ÉÕ¼,ÔËÐÐ.µ«ÔËÐе½Íø¿¨Ê±¾ÍûÓз´Ó¦ÁË.Íø¿¨Äܼì²âµ½. ´ËʱֻºÃµ÷ÊÔÔ´úÂë,´ò¿ªÁËdp83902aÇý¶¯µÄ¿ª¹Ø.·¢ÏÖ·¢ËÍÊý¾Ý°üʱ,¾Í²»¶¯ÁË.¾¹ý¼ì²éÆä´úÂë,·¢ÏÖmacµØÖ·ÓжþÖÖ·½Ê½,Ò»ÖÖÊÇ´ÓÍø¿¨epromÖÐÈ¡,ÁíÒ»ÖÖ¾ÍÊÇÖ¸¶¨,ÓÚÊÇÎҾͰÑÅäÖøijÉÁËÖ¸¶¨: static dp83902a_priv_data_t dp83902a_eth0_priv_data = { base: (cyg_uint8*) 0x03210000, interrupt: 17, tx_buf1: 0x40, tx_buf2: 0x48, rx_buf_start: 0x50, rx_buf_end: 0x80, hardwired_esa: true, esa: {0x00, 0x05, 0x0c, 0x04, 0x05, 0x06}, }; µ«Ð§¹ûÈÔȻһÑù. ͨ¹ý¶à´Îµ÷ÊԺͷÖÎö, ÏëÆðÁ˼ĴæÆ÷Æ«ÒÆÁ¿µÄÎÊÌâ. ÎÒÔÚEV40°å×ÓÉÏÓÃuclinuxÇý¶¯Íø¿¨Ê±Ò²ÊÇͬÑùµÄÎÊÌâ,ºóÀ´°Ñ ËùÓмĴæÆ÷µÄÆ«ÒÆÁ¿*2¾Í¿ÉÒÔÁË.ÓÚÊǶ¯ÊÖ½«È«²¿¼Ä´æÆ÷Æ«ÒÆÁ¿*2.ÕâÑùÄØ, Íø¿¨Çý¶¯¾Í¿ÉÒÔÁË, ²¢ÄÜ·¢ËͺͽÓÊÕÊý¾Ý°üÁË.¡¾Õâ¸öÄØ,ÎÒ×Ô¼ºÒ²²»Ì«Ã÷°×,ÊDz»ÊǸúÓ²¼þµÄÉèÖÃÓйØ?¡¿ µ«redbootÆô¶¯Ê±, ¾¹ýºÜ³¤Ê±¼ä²Åµ½redbootÌáʾ·û³öÀ´.ÔÀ´ÊÇredbootÆô¶¯Ê±,×Ô¶¯Í¨¹ýbootpȥȡµÄIPµØÖ·,ÓÉÓÚûÓÐbootp·þÎñÆ÷,Òò´ËÒªµÈ´ýÒ»¶Îʱ¼ä²Å³öÏÖ³¬Ê±, ÈÃÎÒÎóÒÔΪËÀ»úÁË. ½¨Á¢ºÃbootp·þÎñÆ÷, redboot¾ÍÕý³£Æô¶¯,²¢ÇÒÅäÖÃÁËipµØÖ·. È»ºópingҲͨÁË. ´Ëʱ´ó¹¦¸æ³É.!!! Ê® Æô¶¯uclinux uclinux±àÒëʱ±ØÐë×¢ÒâµÄÊÇ: ÓÉÓÚ redbootÔËÐÐʱ,±ØÐëÒªÊÇʹÓò¿·ÖÄÚ´æ,Äã¿ÉÒÔÓÃversionÃüÁî¿´³öʹÓÃÁËʲôÄÚ´æ, Òò´ËuclinuxµÄÈë¿ÚµØÖ·¾Í²»ÄÜÊÇ0x2000000, ÎÒÑ¡ÔñÁË0x2010000, Ç°ÃæÁôÁË64K. ½«linux.elf¿½±´µ½bootpºÍtftp·þÎñÆ÷µÄ/tftpbootÏÂ. ÔËÐÐ: > load ¨Cm tftp linux.elf > go 0x2010000 ×¢Òâ: ÓÉÓÚredboot´®¿ÚʹÓÃ38400²¨ÌØÂÊ,¶øuclinux²ÉÓÃ9600²¨ÌØÂÊ,Òò´ËuclinuxÆô¶¯ºó³öÏÖÂÒÂë,ûÓйØÏµ,°Ñ²¨ÌØÂʸijÉ9600, È»ºóÖØÐÂÁ¬½ÓÖն˾ͿÉÒÔÁË. ¸½: Ð޸ĵÄpatch. PatchÊÇÕë¶ÔWX10°å×ÓµÄ. ÓÉÓÚÎÒÐ޸ĵÄecosÊÇcvs°æ±¾,ÿ´ÎcheckoutµÄ²»Ò»¶¨Ò»Ñù.Òò´Ëpatch¾Í²»Ò»¶¨Äܹ»Ö±½ÓʹÓÃ, ÁíÍâÄØ,ÎÒµÄpatchÖÐÒ²ÓÐһЩÎÒÔö¼ÓµÄµ÷ÊÔÓï¾ä,Èç¹ûÄãÒª²úÆ·ÖÐʹÓÃ,½¨Òéɾ³ýºÃÁË. [ Last edited by sdlj8051 on 2006-11-1 at 10:25 ] |
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