linux device drivers 2nd edition phần 7 pdf

... number for the device, DEVICE_ NAME is the name of the device to be used in error messages, DEVICE_ NR retur ns the minor number of the physical device referr ed to by a device number, and DEVICE_ INTR ... /usr/X11R6/bin/XF86_SVGA 40015000-40019000 rw-s fe2fc000 08:01 1 077 8 /dev/mem 40131000-40141000 rw-s 000a0000 08:01 1 077 8 /dev/mem 40141000-40941000 rw-s f4000000 08:01 1 077...

Ngày tải lên: 13/08/2014, 21:21

... June 2001 16: 37 Chapter 6: Flow of Time The output from /pr oc/jiqtasklet looks like this: time delta interrupt pid cpu command 45 472 377 0 1 8904 0 head 45 472 378 1 1 0 0 swapper 45 472 379 1 1 0 0 ... currentime gettime: 8461 572 15.9 372 21 xtime: 8461 572 15.931188 jiffies: 1308094 gettime: 8461 572 15.939950 xtime: 8461 572 15.931188 jiffies: 1308094 gettime: 8461 572 15.942465 xtime...

Ngày tải lên: 13/08/2014, 21:21

... line-broken) snapshot was taken shortly after the pr evious one: intr 884865 6955 57 45 27 0 3109 49 07 11 275 9 3 0 0 0 11314 0 177 47 1 0 34941 0 0 0 0 0 0 0 The first number is the total of all interrupts, ... line Output line 32 17 16 Bit # Pin # noninverted inverted 1 13 14 25 49 876 5 32 276 543 10 Data port: base_addr + 0 Status port: base_addr + 1 11 10 12 13 15 276 543 10 16 1...

Ngày tải lên: 13/08/2014, 21:21

... master_cleanup_module 00000000 T master_init_module U printk_Rsmp_1b7d4 074 U request_module_Rsmp_27e4dc04 morgana% fgrep ’printk’ /proc/ksyms c011b8b0 printk_Rsmp_1b7d4 074 Because the checksums added to the symbol ... men- tioned, however, char drivers are not the only type of driver used in Linux sys- tems. Here we tur n our attention to block drivers. Block drivers provide access...

Ngày tải lên: 13/08/2014, 21:21

... 238-2 47 in Linux 2.0, 173 - 175 in PCI buses, 473 , 483-488 allocating, 73 -75 at boot time, 221-223 with kmalloc, 208-211 by page, 214-2 17 per formance degradation issues, 216 with vmalloc, 2 17- 220 circular ... for, 85-91 device files, 55 contr olling access, 164- 171 deleting, 61 device filesystem (see devfs) DEVICE_ INTR symbol, 329, 3 67 device memory (see I/O memory) D...

Ngày tải lên: 13/08/2014, 21:21

... unloaded system: phon% dd bs=20 count=5 < /proc/jitsched 176 0205 176 12 07 176 1209 176 2211 176 2212 176 3212 176 3213 176 4213 176 4214 176 52 17 It’s interesting to note that each read sometimes ends ... delta inirq pid cpu command 6 076 139 0 0 4 370 0 cat 6 076 140 1 1 4368 0 cc1 6 076 141 1 1 4368 0 cc1 6 076 141 0 1 2 0 ksoftirqd/0 6 076 141 0 1 2 0 ksoftirqd/0 6 076 14...

Ngày tải lên: 09/08/2014, 04:21

... idVendor/idProduct/bcdDevice that specifies those USB device- specific fields TYPE A string in the format bDeviceClass/bDeviceSubClass/bDeviceProtocol that speci- fies those USB device- specific fields If the bDeviceClass ... the usual pair of functions: int device_ create_file(struct device *device, struct device_ attribute *entry); void device_ remove_file(struct device *dev, st...

Ngày tải lên: 09/08/2014, 04:21

... fpu 0 170 -0 177 : ide1 01f0-01f7 : ide0 02f8-02ff : serial(set) 0300-031f : NE2000 0 376 -0 376 : ide1 03c0-03df : vga+ 03f6-03f6 : ide0 03f8-03ff : serial(set) 1000-103f : Intel Corporation 82 371 AB ... future editions, by writing to: O’Reilly & Associates, Inc. 101 Morris Street Sebastopol, CA 95 472 (800) 998-9938 (in the United States or Canada) (70 7) 829-0515 (international/loca...

Ngày tải lên: 13/08/2014, 21:21

... 1 970 pipe1 crw-rw-rw- 1 root root 144, 7 Jan 1 1 970 pipe2 crw-rw-rw- 1 root root 144, 8 Jan 1 1 970 pipe3 crw-rw-rw- 1 root root 144, 12 Jan 1 1 970 priv crw-rw-rw- 1 root root 144, 9 Jan 1 1 970 ... 1 Jan 1 1 970 0 crw-rw-rw- 1 root root 144, 2 Jan 1 1 970 1 crw-rw-rw- 1 root root 144, 3 Jan 1 1 970 2 crw-rw-rw- 1 root root 144, 4 Jan 1 1 970 3 crw-rw-rw- 1 root root 144, 5 Jan 1 1 970 p...

Ngày tải lên: 13/08/2014, 21:21