Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

²é¿´linuxÊÇ32λ»¹ÊÇ64λ

1.#uname -a
Èç¹ûÓÐx86_64¾ÍÊÇ64λµÄ£¬Ã»ÓоÍÊÇ32λµÄ
2.# uname -m
x86_64
3.# arch
x86_64
4.#file /bin/cat
/bin/cat: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.4.0, dynamically linked (uses shared libs), stripped
5.²é¿´cpuÊǶàÉÙλµÄ
more /proc/cpuinfo
ÔõÑù²é¿´ LINUXÊÇ32λ»¹ÊÇ64λ
$su - root
#file /sbin/init
/sbin/init: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV),
¼´ÊÇ32λµÄ linux, ÈçÊÇ64λµÄ, ÏÔʾµÄÊÇ 64-bit
6. getconf LONG_BIT


Ïà¹ØÎĵµ£º

ʵսLinux Bluetooth±à³Ì£¨Èý£© HCI²ã±à³Ì

1. HCI²ãЭÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
´ÓͼÉÏ¿ÉÒÔ¿´³ö£¬Host Controller Interface(HCI)  ¾ÍÊÇÓÃÀ´¹µÍ¨HostºÍModule¡£Hostͨ³£¾ÍÊÇPC£¬ ModuleÔòÊÇÒÔ¸÷ÖÖÎïÀíÁ¬½ÓÐÎʽ£¨USB,serial,pc-cardµÈ£©Á¬½Óµ½PCÉϵÄbluetooth Dongle¡£
ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈЭÒé ......

ÉîÈëÀí½âlinuxϵͳµ÷ÓÃÓëʹÓÃÖ®ÕûÀíÆª

ÉîÈëÀí½âlinuxϵͳµ÷ÓÃÓëʹÓÃÖ®ÕûÀíÆª
Ò»¡¢ ʲôÊÇϵͳµ÷ÓÃ
      ÔÚLinuxµÄÊÀ½çÀÎÒÃǾ­³£»áÓöµ½ÏµÍ³µ÷ÓÃÕâÒ»ÊõÓËùνϵͳµ÷Ó㬾ÍÊÇÄÚºËÌṩµÄ¡¢¹¦ÄÜÊ®·ÖÇ¿´óµÄһϵÁеĺ¯Êý¡£ÕâЩϵͳµ÷ÓÃÊÇÔÚÄÚºËÖÐʵÏֵģ¬ÔÙͨ¹ýÒ»¶¨µÄ·½Ê½°Ñϵͳµ÷ÓøøÓû§£¬Ò»°ã¶¼Í¨¹ýÃÅ(gate)ÏÝÈë(trap)ʵÏÖ¡£ÏµÍ³µ ......

LinuxÄں˵ÄÁ´±í

×Ô2.1Äں˿ª·¢°æÒÔÀ´£¬linux¾ÍÒýÈëÁËÕýʽµÄÁ´±íʵÏÖ,²ÉÓõÄÊÇË«ÏòÑ­»·Á´±í¡£Òò´Ë£¬ÔÚ¿ª·¢¹ý³ÌÖÐÓ¦¸ÃʹÓÃÕâЩÒÑÓеĽӿڡ£
1. ¶¨Òå
Á´±í½á¹¹Ì嶨ÒåÔÚÎļþ<linux/list.h>ÖС£
    struct list£ßhead {
       struct list_head  *next;
     &n ......

ÔĶÁÕÔ¾¼µÄ¡¶LinuxÄÚºËÍêȫעÊÍ¡·Ö®Ç°±ØÐëÖªµÀµÄ£¡

Linux 0.11ËäÈ»²»ÊÇʲô“ÖéÄÂÀÊÂê·å”£¬µ«Ëü¿Ï¶¨»¹ÊÇ“»ªÉ½”»ò“̩ɽ”¡£ËäÈ»Ó絫Ä㻹ÊÇÐèÒª×î»ù±¾µÄŬÁ¦ºÍ»¨·ÑÒ»¶¨µÄ´ú¼Û²ÅÄÜ“ÅʵǔÉÏÈ¥¡£
1. PC¼æÈÝ»úÓ²¼þ¹¤×÷Ô­Àí£¨±ÈÈç8259A,8253, 8042£¬UARTµÈÓ²¼þ£©£»
2. Intel 32λ ÔËÐÐģʽ¹¤×÷Ô­Àí£¬Ñ°Ö··½Ê½£»
3. ´«Í³CÓïÑÔ£» ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ