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LinuxÉ豸Çý¶¯³ÌÐòѧϰ±Ê¼ÇϵÁÐÎÄÕÂÔ­×÷ÕßÊÇ£ºTekkaman Ninja£¬Ëû²©¿ÍµØÖ·£º
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ͨ¹ýÒ»¸öÉ豸ÔÚÄÚºËÖÐÉúÃüÖÜÆڵĸ÷¸ö½×¶Î£¬¿ÉÒÔ¸üºÃµØÀí½âLinuxÉ豸ģÐÍ¡£ÎÒ½«Í¨¹ý·ÖÎölddbusºÍsculldµÄÔ´ÂëÀ´Á˽âLinuxÉ豸ģÐÍÖи÷»·½ÚµÄÕûºÏ¡£¡¶LDD3¡·Öеģ¨PCI×ÜÏߣ©¸÷»·½ÚµÄÕûºÏÕⲿ·ÖÄÚÈÝ×÷Ϊ²Î¿¼×ÊÁÏ£¬ÒòΪǶÈëʽLinux±È½ÏÉÙÓõ½PCI×ÜÏß¡£¿´Õⲿ·ÖÄÚÈÝÒ»¶¨ÒªÏÈÊìϤһÏ lddbus ºÍ sculld µÄÔ´Âë¡£
 
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lddbus×ÓϵͳÉùÃ÷ÁËÒ»¸öbus_type½á¹¹£¬³ÆΪldd_bus_type ¡£Ô´ÂëÊÇÔÚ±àÒëʱ³õʼ»¯ÁËÕâ¸ö½á¹¹Ì壬ԴÂ룺
/*
 * And the bus type.
 */
struct bus_type ldd_bus_type = {
    .name = "ldd",
    .match = ldd_match,
    .uevent  = ldd_uevent,
};
ÔÚ½«lddbus×ÓϵͳװÔص½Äں˺ʹÓÄÚºËжÔصÄÔ´ÂëÈçÏ£º
static int __init ldd_bus_init(void)
{
    int ret;
    ret = bus_register(&ldd_bus_type); /*×¢²á×ÜÏߣ¬ÔÚµ÷ÓÃÕâ¸öº¯ÊýÖ®ºóldd_bus_type ½á¹¹Ì彫ÏòÄÚºË×¢²á£¬ÔÚ/sys/busÖгöÏÖlddÎļþ¼Ð£¬ÆäÖаüº¬Á½¸öĿ¼£ºdevices ºÍ drivers */
    if (ret)
        return ret;
    if (bus_create_file(&ldd_bus_type, &bus_attr_version)) /*Ìí¼Ó×ÜÏßÊôÐÔ,½«ÔÚ/sys/bus/lddĿ¼ÖгöÏÖversionÊôÐÔÎļþ*/
        printk(KERN_NOTICE "Unable to create version attribute ! \n");
    ret = device_register(&ldd_bus);/*½«×ÜÏß×÷ΪÉ豸ע²á¡£ÒòΪ×ÜÏßÒ²¿ÉÒÔÊÇÒ»¸öÉ豸£¬±ÈÈçÔÚS3C2440ÖÐSPI×ÜÏß¿ØÖÆÆ÷Ïà¶ÔÓÚARM920TºËÐÄÀ´Ëµ£¬Æäʵ¾ÍÊÇÒ»¸öÍâÉè¡£µ÷Óô˺¯Êýºó£¬¾Í»áÔÚ/sys/devicesÖгöÏÖldd0Ŀ¼*/
    if (ret)
        printk(KERN_NOTICE "Unable to register ldd0 ! \n");
    
    printk(KERN_NOTICE "Mount lddbus ok


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Fedora Linux Ï°²×° source navigator µÄ bug shoot!

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Can't find a usable tk.tcl in the following directories: 
/opt/sourcenav/share/tk8.3
/opt/sourcenav/share/tk8.3/tk.tcl: no event type or button # or keysym
no event type or button # or keysym
while executing
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linux 2410ʵÑé°æ ÅäÖÃ

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sudo chmod 777 / ÓÐÁËËùÓÐȨÏÞ
yjh@ubuntu:~$ cd /etc
yjh@ubuntu:/etc$ sudo chmod 777 bash.bashrc        ³¬¼¶Óû§È¨ÏÞ ÐÞ¸Äbash.bashrc
yjh@ubuntu:/etc$ gedit bash.bashrc
yjh@ubuntu:/etc$
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