±¾ÎÄ´ÓѧϰÕߵĽǶȳö·¢,·Ö±ðÃèÊöÁËÏÂÃ漸²¿·ÖÄÚÈÝ: arm±à³ÌµÄ»ù±¾ÖªÊ¶, BOOT´úÂëÁ÷³ÌºÍ¹¦ÄÜ·ÖÎö, OSÖжϳÌÐòµÄ±àд¾ÙÀý ºÍBOOT´úÂëµÄÁ÷³Ìͼ, Ï£ÍûÕâЩÄÚÈÝÄÜΪ³õѧarmµÄÅóÓѲ¦¿ªÃÔÎí, ÒÔ×î¿ìµÄËٶȺÍ×î¶ÌµÄʱ¼ä×ß½øǶÈëÊÀ½çµÄ´óÃÇ. ÓÉÓÚ±¾ÂÛ̳²»ÐíÉÏÔØrar¸½¼þ£¬ËùÒÔÏêϸµÄ¸½¼þÊé¿ÉÒÔ´ÓÏÂÃæµÄÒ³ÃæµÃµ½£º http://micro9229.blogchina.com/2599285.html Ŀ¼£º µÚÒ»ÕÂ:arm ABC.................
ÇëÎÊÔÚLINUXÏÂÈçºÎʵÏÖ±àÒëÒ»¸ö*.CÎļþÒ»¸ö*.SÎļþ,²¢°ÑËüÃÇÒ»Æð±àÒë³É.RAM,¿ÉÒÔϵ½°å×ÓÉÏÔËÐÐ. лл
:oops: ż±àдÁË´®¿ÚÊÕ·¢µÄÁ½¸öС³ÌÐò,½ÓÊÕ³ÌÐòreadtest.cÔÚpc»úÉÏÔËÐÐ,·¢ËͳÌÐòwritetest.cÔÚarm°åÉÏÔËÐÐ. arm°å ÉϵijÌÐòͨ¹ýÐéÄâÖÕ¶ËÔËÐÐ.¿ªÊ¼ÔËÐгÌÐò: ÏÈÔËÐнÓÊÕ³ÌÐò,È»ºóÔÚÔËÐз¢ËͳÌÐò. ÎÊÌâÊÇ: ÏÈÔËÐнÓÊÕ³ÌÐò, ÕâÑù´ÓÐéÄâÖÕ¶ËÊäÈëµÄÈκÎÊý¾Ý¶¼»á±»½ÓÊÕ³ÌÐò½ÓÊÕ, µ«Èç¹ûÒªÔËÐз¢ËͳÌÐò ±ØÐëÊäÈë: "./writetest", ÕâÑùµÄ»°"./writetest"Õ⼸¸ö×Ö·ûÒ²»á±»½ÓÊÕ³ÌÐò½ÓÊÕ. żӦ¸ÃÔõÑù×ö,ʹ½ÓÊÕ³ÌÐòÖ»½ÓÊÕ ·¢ËͳÌÐòÖз¢Ë͵Ä...
ÎÒÓÃshellдÁ˸öcgi½Å±¾£¬¸Ã½Å±¾ÊÇÏëÈðå×ÓÖØÆôµÄ£¬Í¨¹ýÍøÒ³´ò¿ªÏà¹ØÒ³Ãæ´Ó¶øÖ´ÐÐÁËÕâ¸ö½Å±¾£¬¿ÉÊǽű¾Ö´ÐÐrebootÃüÁîºó£¬È´Ê¼ÖÕÍ£ÔÚÓÐÒ»²½²»¶¯ÁË¡£ /var/www/cgi-bin # umount: /dev/mtdblock/3 busy - remounted read-only umount: none busy - remounted read-only umount: Cannot remount /dev/root read-only umount: /: Device or resource busy umount: Cannot remount /dev/root read-only umount: /: Device or resource ...
ûÓÐÈκγö´íÐÅÏ¢£¬³ÌÐò¹ÒÆðÀ´ÁË£¬Á¬main()º¯ÊýÖеÚÒ»ÐдòÓ¡ÐÅÏ¢¶¼¿´²»µ½£¬Ò²²»ÖªµÀËÀÔÚÄÄÀÔõôÈëÊÖ²éÎÊÌâ°¡?
½ñÌìÔÚarm°åÉÏ×ö¿ª·¢Ê±£¬·¢ÏÖ¶ÁÎļþµÄ½áÊø·û·µ»Ø¼ÆËãÎļþ³¤¶È×ÜÊDz»ÄÜ·µ»Ø¡£ºóÀ´×öÁËÒ»¸öСµÄ²âÊÔ³ÌÐò£¬Ô´ÂëÈçÏÂ(arm9£»arm-linux-gcc °æ±¾£º3.3.2£»ÎļþϵͳΪyaffs£» varĿ¼¿Éд)£º
#include
ÓÃÏÂÃæµÄÃüÁî±àÒëÁ¬½ÓÉú³ÉÁË¿ÉÖ´ÐÐÎļþ: arm-elf-gcc -Wl,-elf2flt -mcpu=arm7tdmi -o hello hello.c ÓÃFTPÔØÈëµ½ÒÑÔËÐÐÁËuCLinuxµÄ¿ª·¢°åÖÐ.ÔËÐÐʱ³öÏÖÏÂÃæµÄÎÊÌâ. BINFMT_FLAT: reloc outside program 0x11800 (0 - 0x7064/0x5d80), killing hello! BINFMT_FLAT: reloc outside program 0x11800 (0 - 0x7064/0x5d80), killing hello! Memory fault ÓÐûÓÐËÖªµÀÊÇÔõô»ØÊ°¡... ÏÈлÁË.
ÔÚarm+uClinuxƽ̨ÏÂ, Ó¦ÓóÌÐòÔõôÉêÇëÖжÏ×ÊÔ´?·½·¨Ô½¼òµ¥Ô½ºÃ. "ÄÚºË/ǶÈëʽ"ÂÛ̳ºÃÏñ²»"ÈÈÄÖ"ѽ! Ç°¼¸ÈÕÔÚÕâÀïÎʼ¸¸öÎÊÌâ»Ø¸´µÄÁÈÁÈ. ûÓиßÊÖô? :roll:
Ê״γ¢ÊÔ¡°ÔËÐС± arm³ÌÐò Ê×ÏÈдÁËÒ»¸öµ÷Õû¶ÑÕ»Ö¸ÕëµÄstartfile£¬µ÷Õû.textÆðʼλÖõÄldscript¡£Óý»²æ±àÒëÆ÷±àÒ룬±àÒë²ÎÊý-Wl,-Tldscript start.o hello.c -nostartfiles -static -s -o hello. È»ºó×°Ôص½simicsÖУ¬µ¥²½Ö´ÐÐÁËһϣ¬Ö¸ÁîºÍobjdump³öÀ´µÄÊÇÏàͬµÄ£¬Ò²¾ÍÊÇÉú³ÉµÄÄ¿±êÎļþÊǶԵġ£ÕâÖÖ·½Ê½±àÒë³öÀ´µÄÎļþ¿ÉÒÔÔËÐÐÔÚarmÉÏÁË¡£ ±¾ÎÄÀ´×ÔChinaUnix²©¿Í£¬Èç¹û²é¿´ÔÎÄÇëµã£ºhttp://blog.chinaunix.net/u/132/showart...
ÔÚÓû§Ì¬½ø³ÌÀÔÚX86Ï£¬¿ÉÒÔ ÔÚroot ȨÏÞÏÂÓÃiopl/ioperm È»ºó¾Í¿ÉÒÔÖ±½Ó²Ù×÷I/O¶Ë¿Ú¡£ ÔõôºÃÏóÔÚarmϲ»ÐУ¿