linux device drivers 2nd edition phần 8 pptx

... use. snullnet0 192.1 68. 0.0 snullnet1 192.1 68. 1.0 The following are possible host numbers to put into /etc/hosts: 192.1 68. 0.1 local0 192.1 68. 0.2 remote0 192.1 68. 1.2 local1 192.1 68. 1.1 remote1 The ... ltalk_setup(struct net _device *dev); Sets up the fields for a LocalTalk device. void fc_setup(struct net _device *dev); Initializes for fiber channel devices. void fddi_setup(struct...

Ngày tải lên: 13/08/2014, 21:21

... -f /dev/$ {device} [0-3] major=$(awk "\\$2= =\"$module\" {print \\$1}" /proc/devices) mknod /dev/$ {device} 0 c $major 0 mknod /dev/$ {device} 1 c $major 1 mknod /dev/$ {device} 2 ... the cdev structure, num is the first device number to which this device responds, and count is the number of device numbers that should be associated with the device. Often count is on...

Ngày tải lên: 09/08/2014, 04:21

... the issue of 8- bit versus 16-bit data transfers. If you are writing device drivers for ISA device boards, you should find the relevant informa- tion in the hardware manuals for the devices. The ... below require a pointer to a struct device. This structure is the low-level representation of a device within the Linux device model. It is not something that drivers often have to...

Ngày tải lên: 09/08/2014, 04:21

... Kernel code 0022c5 58- 0024455f : Kernel data 20000000-2fffffff : Intel Corporation 440BX/ZX - 82 443BX/ZX Host bridge 680 00000- 680 00fff : Texas Instruments PCI1225 680 01000- 680 01fff : Texas Instruments ... IDE 1300-131f : pcnet_cs 1400-141f : Intel Corporation 82 371AB PIIX4 ACPI 180 0-18ff : PCI CardBus #02 1c00-1cff : PCI CardBus #04 580 0- 581 f : Intel Corporation 82 371AB P...

Ngày tải lên: 13/08/2014, 21:21

... advantages of devfs ar e as follows: • Device entry points in /dev ar e cr eated at device initialization and removed at device removal. • The device driver can specify device names, ownership, and permission ... device_ close instead of device_ release. Either way, the device method should perfor m the following tasks: • Deallocate anything that open allocated in filp->priva...

Ngày tải lên: 13/08/2014, 21:21

... currentime gettime: 84 6157215.937221 xtime: 84 6157215.931 188 jiffies: 13 080 94 gettime: 84 6157215.939950 xtime: 84 6157215.931 188 jiffies: 13 080 94 gettime: 84 6157215.942465 xtime: 84 6157215.941 188 jiffies: 13 080 95 Knowing ... command 45472377 0 1 89 04 0 head 454723 78 1 1 0 0 swapper 45472379 1 1 0 0 swapper 45472 380 1 1 0 0 swapper 45472 383 3 1 0 0 swapper 45472 38...

Ngày tải lên: 13/08/2014, 21:21

... The facility can only be used by drivers directly linked in the kernel image. Quick Reference 225 22 June 2001 16: 38 Chapter 8: Hardware Management #include < ;linux/ ioport.h> int check_region(unsigned ... for 2.0 or 2.2. 2 48 22 June 2001 16:39 Chapter 9: Interrupt Handling 80 : 4 2 IO-SAPIC-edge keyboard 89 : 0 0 IO-SAPIC-edge PS/2 Mouse 239: 5606341 5606052 SAPIC timer 254: 6...

Ngày tải lên: 13/08/2014, 21:21

... oc/ksyms. morgana.root# insmod ./export.o morgana.root# grep export /proc/ksyms c 883 605c export_function_Rsmp _88 8cb211 [export] morgana.root# insmod ./import.o import: my mate tells that 2+2 = ... 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 to block-oriented de...

Ngày tải lên: 13/08/2014, 21:21

... mmap Device Operation 387 22 June 2001 16:42 cat /proc/731/maps 080 480 00- 083 27000 r-xp 00000000 08: 01 55505 /usr/X11R6/bin/XF86_SVGA 083 27000- 083 69000 rw-p 002de000 08: 01 55505 /usr/X11R6/bin/XF86_SVGA 40015000-40019000 ... /proc/1/maps # look at init 080 480 00- 080 4e000 r-xp 00000000 08: 01 51297 /sbin/init # text 080 4e000- 080 50000 rw-p 00005000 08: 01 51297 /sbin/init...

Ngày tải lên: 13/08/2014, 21:21