linux 2.6Ô´´úÂëÇé¾°·ÖÎö±Ê¼ÇÖ®ÖжÏÓëÒì³£6
ÿ¸öÖжÏÏòÁ¿¶¼ÓÐ×Ô¼ºµÄirq_desc_tÃèÊö·û£¬ËùÓеÄÕâЩÃèÊö·û×éÖ¯ÔÚÒ»ÆðÐγÉirq_descÊý×é¡£
typedef struct irq_desc {
hw_irq_controller *handler;Ö¸Ïòpic¶ÔÏó£¨hw_irq_controllerÃèÊö·û£©£¬·þÎñÓÚirqÏß
void *handler_data;Ö¸Ïòpic·½·¨ËùʹÓõÄÊý¾Ý
struct irqaction *action; /* IRQ action list */±êʶµ±³öÏÖirqʱҪµ÷ÓõÄÖжϷþÎñÀý³Ì¡£¸Ã×Ö¶ÎÖ¸ÏòirqµÄirqactionÃèÊö·ûÁ´±íµÄµÚÒ»¸öÔªËØ¡£
unsigned int status; /* IRQ status */ÃèÊöirqÏß״̬µÄÒ»×é±êÖ¾
unsigned int depth; /* nested irq disables */Èç¹ûirqÏß±»¼¤»î£¬ÔòÏÔʾ0£»Èç¹ûirqÏß±»½ûÖ¹Á˲»Ö¹Ò»´Î£¬ÔòÏÔʾһ¸öÕýÊý
unsigned int irq_count; /* For detecting broken interrupts */ÖжϼÆÊýÆ÷£¬Í³¼ÆirqÏßÉÏ·¢ÉúµÄÖжϼÆÊý
unsigned int irqs_unhandled;ÖжϼÆÊýÆ÷£¬Í³¼ÆirqÏßÉÏ·¢ÉúµÄÎÞ·¨´¦ÀíµÄÖжϽøÐмÆÊý
spinlock_t lock;ÓÃÓÚ´®ÐзÃÎÊirqÃèÊö·ûºÍpicµÄ×ÔÐýËø¡£
} ____cacheline_aligned irq_desc_t;
extern irq_desc_t irq_desc [NR_IRQS];
/*
* IRQ line status.
*/
#define IRQ_INPROGRESS 1 /* IRQ handler active - do not enter! */IRQµÄÒ»¸ö´¦Àí³ÌÐòÕýÔÚÖ´ÐÐ
#define IRQ_DISABLED 2 /* IRQ disabled - do not enter! */ÓÉÒ»¸öÉ豸Çý¶¯³ÌÐò¹ÊÒâµØ½ûÓÃirqÏß
#define IRQ_PENDING 4 /* IRQ pending - replay on enable */Ò»¸öirqÒѾ³öÏÖÔÚÏßÉÏ£¬ËüµÄ³öÏÖÒ²ÒѶÔpic×ö³öÓ¦´ð£¬µ«ÊÇÄں˻¹Ã»ÓÐΪËüÌṩ·þÎñ
#define IRQ_REPLAY 8 &nbs
Ïà¹ØÎĵµ£º
Ò»£ºÇ°ÑÔ
×î½üÔÚÑо¿androidµÄsensor driver£¬Ö÷ÒªÊÇE-compass£¬ÆäÖÐÓõ½ÁËLinux input×Óϵͳ.ÔÚÍøÉÏÒ²¿´Á˺ܶàÕâ·½ÃæµÄ×ÊÁÏ£¬¸Ð¾õ»¹ÊÇÕâÆª·ÖÎöµÄ±È½ÏϸÖÂ͸³¹£¬Òò´Ë×ªÔØÒ»ÏÂÒÔ±ã×Ô¼ºÑ§Ï°£¬Í¬Ê±ºÍ´ó¼Ò·ÖÏí£¡
£¨ÕâÆª²©¿ÍÖ÷ÒªÊÇÒÔ¼üÅÌÇý¶¯ÎªÀýµÄ£¬²»¹ý½²½âµÄÊÇLinux Input Subsystem£¬¿ÉÒÔ×ÐϸµÄÑо¿Ò»Ï£¡£©
¼üÅÌÇý¶¯½«¼ì ......
Ê®ÔÂÄ©ubuntu9.10·¢²¼£¬Á¢¿Ì»»ÉÏÁËеģ¬ÎÒÏë×Ô¼º²¢²»ÊÇÔÚ¿ÌÒâ×·Çóеİ汾¡£Ö»ÊÇÒÔǰÔÚµçÄÔÉÏÓÃwubi×°µÄÄǸöylmfµÄÊÇÔÚ²»ºÃ
Óã¬firfoxÖ»ÄÜÊÇ3.0°æ±¾µÄ£¬×ÔÐбàÒëÈí¼þ»¹²»»á£¬ÓÃwine×°Ò»¸öie¾ÓÈ»Óõ½µçÄÔËÀ»ú£¬ÊÇÔڸоõ²»µ½linuxÓÐʲôºÃµÄ£¬¸üÈÃÈËÄÑÊܵÄÊÇ×Ö
ÌåÏÔʾЧ¹û²î£¬firfox
operaʹÓÃÒ»»ÎÒ»»ÎµÄ£¬ËÙ¶ÈÌ«Âý£¬Õû¸ ......
ǰÑÔ£¬Linux/Unix ÉçÇøµÄ°æ¿é²»ÈÈÄÖ£¬ÐÂÊÖÌ«¶à£¬¸ßÊÖ̫棬ż°Ñ×Ô¼ºÕ⼸ÄêµÄLinuxѧϰµÄ¹ý³Ì½²½²£¬Ï£ÍûÄܸø´ó¼ÒÓеã°ïÖú£¬
Òýµ¼³õѧÕßѧϰµÄ·½Ïò£¬ÉÙ×ßÍä·£¬Ê°빦±¶£¬Í¬Ê±Ò²ÊÇÅ×שÒýÓñ£¬Çë¹ýÀ´ÈËÈÈÁÒ·¢ÑÔ¡£
1. Ê×ÏÈÊìϤ Linux
½¨ÒéÔÚ Windows Éϰ²×° VMware Workstation 6.5.0(ÒÔϼò³ÆVM£©, ÏÂÔØÖÖ×ÓÔÚ ......
Linux ÖлñµÃ±¾»úÍø¿¨MACµØÖ·ºÜ¼òµ¥£¬ioctl()¾ÍOK¡£¿ÉÈçºÎ»ñµÃ¾ÖÓòÍøÆäËûÖ÷»úµÄMACµØÖ·ÄØ…Á´Â·²ã¹ã²¥ARPÇëÇó£¬È»ºó½ÓÊÕARPÏìÓ¦¡£ÊµÏÖ½é¸ö¹¦ÄÜÆäʵÒÑÓÐÏÖ³ÉÈý·½¿â¿ÉÓã¬Èçlibnet¡£²»¹ýÏë¼ÓÉî¶ÔÐÒéµÄÀí½âºÍLinuxÍøÂç±à³ÌAPIµÄÀí½â£¬jiayi »¹ÊǾö¶¨ÓÃLinuxµÄPF_PACKET×Ô¼ºÊµÏÖ£¬¸Ä°¡¸Ä£¬ÖÕÓڳɹ¦¡«ÒÔÏÂÊÇ´óÌå˼·
1. ......
Öжϴ¦ÀíÒÀÀµÓÚÖжÏÀàÐÍ£¬ÓÐÈýÖÖÖ÷ÒªµÄÖжÏÀàÐÍ£º
i/oÖжϣºÄ³Ð©i/É豸ÐèÒª¹Ø×¢£»ÏàÓ¦µÄÖжϴ¦Àí³ÌÐò±ØÐë²éѯÉ豸ÒÔÈ·¶¨Êʵ±µÄ²Ù×÷¹ý³Ì¡£
ʱÖÓÖжϣºÄ³ÖÖʱÖÓ£¨»òÕßÊÇÒ»¸ö±¾µØapicʱÖÓ£¬»òÕßÊÇÒ»¸öÍⲿʱÖÓ£©²úÉúÒ»¸öÖжϣ»ÕâÖÖÖжϸæËßÄÚºËÒ»¸ö¹Ì¶¨µÄʱ¼ä¼ä¸ôÒѾ¹ýÈ¥¡£ÕâЩÖжϴ󲿷ÖÊÇ×÷Ϊi/oÖжÏÀ´´¦ÀíµÄ¡£
´¦ÀíÆ÷¼ä ......