Tài liệu Linux Device Drivers-Chapter 4 : Debugging Techniques pptx

Tài liệu Linux Device Drivers-Chapter 4 : Debugging Techniques pptx

Tài liệu Linux Device Drivers-Chapter 4 : Debugging Techniques pptx

... eip: c48370c3 *pde = 00000000 Oops: 0002 CPU: 0 EIP: 001 0:[ <c48370c3>] EFLAGS: 00010286 eax: ffffffea ebx: c2281a20 ecx: c48370c0 edx: c2281a40 esi: 40 00c000 edi: 40 00c000 ebp: ... EFLAGS: 00010286 eax: ffffffea ebx: c2c55ae0 ecx: c48370c0 edx: c2c55b00 esi: 0804d038 edi: 0804d038 ebp: c2337f8c esp: c2337f8c ds: 0018 es: 0018 ss: 0018 Process cat (pid: 2 341 3, s...
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Tài liệu Linux Device Drivers-Chapter 1 :An Introduction to Device Drivers ppt

Tài liệu Linux Device Drivers-Chapter 1 :An Introduction to Device Drivers ppt

... Chapter 1 :An Introduction to Device Drivers As the popularity of the Linux system continues to grow, the interest in writing Linux device drivers steadily increases. Most of Linux is independent ... special hardware. Debugging techniques are vital tools for the programmer and are introduced in Chapter 4, " ;Debugging Techniques& quot;. Then, with our new debugging...
Ngày tải lên : 24/12/2013, 01:17
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Tài liệu Linux Device Drivers-Chapter 2 : Building and Running Modules pptx

Tài liệu Linux Device Drivers-Chapter 2 : Building and Running Modules pptx

... < ;linux/ module.h>. As an example, an array that must have at least two and no more than four values could be declared as: int skull_array [4] ; MODULE_PARM (skull_array, "2-4i"); ... (which does nothing in particular). This code will compile and run under Linux kernel versions 2.0 through 2 .4. [4] [4] This example, and all the others presented in this book, is ava...
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Tài liệu Linux Device Drivers-Chapter 3: Char Drivers docx

Tài liệu Linux Device Drivers-Chapter 3: Char Drivers docx

... /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 ... file_operations scull_fops = { llseek: scull_llseek, read: scull_read, write: scull_write, ioctl: scull_ioctl, open: scull_open, release: scull_release, }; This declaration...
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Tài liệu Linux Device Drivers-Chapter 5 : Enhanced Char Driver Operations pptx

Tài liệu Linux Device Drivers-Chapter 5 : Enhanced Char Driver Operations pptx

... the same device) is best solved by implementing one device node for each access policy. An example of this practice can be found in the Linux tape driver, which provides multiple device files ... same device. Different device files will, for example, cause the drive to record with or without compression, or to automatically rewind the tape when the device is closed. Cloning...
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Tài liệu Linux Device Drivers-Chapter 6 : Flow of Time pptx

Tài liệu Linux Device Drivers-Chapter 6 : Flow of Time pptx

... architecture-dependent value defined in < ;linux/ param.h>. Current Linux versions define HZ to be 100 for most platforms, but some platforms use 10 24, and the IA- 64 simulator uses 20. Despite what ... introduced the following symbols: #include < ;linux/ param.h> HZ The HZ symbol specifies the number of clock ticks generated per second. #include < ;linux/ sched.h>...
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Tài liệu Linux Device Drivers-Chapter 7 : Getting Hold of Memory doc

Tài liệu Linux Device Drivers-Chapter 7 : Getting Hold of Memory doc

... c71c4800 0:c262b000 1:c2193000 rudo% cat /tmp/bigfile > /dev/scullv0; head -5 /proc/scullvmem Device 0: qset 500, order 4, sz 1 048 576 item at c4184b80, qset at c71c4000 0:c881a000 ... 0:a0000000000 340 00 1:a000000000078000 salma% uname -m ia 64 rudo% cat /tmp/bigfile > /dev/scullp0; head -5 /proc/scullpmem Device 0: qset 500, order 0, sz 1 048 576...
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Tài liệu Linux Device Drivers-Chapter 8 :Hardware Management docx

Tài liệu Linux Device Drivers-Chapter 8 :Hardware Management docx

... port); Chapter 8 :Hardware Management Although playing with scull and similar toys is a good introduction to the software interface of a Linux device driver, implementing a real device requires ... supported by version 2 .4 of the kernel: IA-32 (x86) The architecture supports all the functions described in this chapter. Port numbers are of type unsigned short. IA- 64 (Itanium...
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Tài liệu Linux Device Drivers-Chapter 9 :Interrupt Handling Although doc

Tài liệu Linux Device Drivers-Chapter 9 :Interrupt Handling Although doc

... Pentium system: CPU0 CPU1 0: 345 843 23 349 36135 IO-APIC-edge timer 1: 2 244 07 22 647 3 IO-APIC-edge keyboard 2: 0 0 XT-PIC cascade 5: 5636751 5636666 IO-APIC-level eth0 9: 0 0 IO-APIC-level ... perfectly. 47 : 26722 146 IO-SAPIC-level usb- uhci 6 4: 3 6 IO-SAPIC-edge ide0 8 0: 4 2 IO-SAPIC-edge keyboard 8 9: 0 0 IO-SAPIC-edge PS/2 Mouse...
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Tài liệu Linux Device Drivers-Chapter 10 :Judicious Use of Data Types doc

Tài liệu Linux Device Drivers-Chapter 10 :Judicious Use of Data Types doc

... SPARC 6 4: arch Align: char short int long ptr long- long u8 u16 u32 u 64 i386 1 2 4 4 4 4 1 2 4 4 i686 1 2 4 4 4 4 1 2 4 4 alpha 1 2 4 8 8 8 1 2 4 8 armv4l 1 2 4 4 4 4 1 2 4 4 ia 64 1 2 4 ... i386 1 2 4 4 4 8 1 2 4 8 alpha 1 2 4 8 8 8 1 2 4 8 armv4l 1 2 4 4 4 8 1 2 4 8 ia 64 1 2 4 8 8 8 1 2 4 8 m68k 1 2 4 4 4 8 1 2 4...
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