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Article Title: Adjustment of the initialization sequence of Linux kernel drivers. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
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In Debian Linux, install the nVidia graphics driver under the XEN kernel-the Linux Release Technology-Debian information. For more information, see the following. Recently, Debian Linux has been re-installed, and it is difficult to install the nVidia graphics card
character device driver.
Program Content of the subject in the design. These functions are actually called by the system during Linux open (), write (), read (), close () and other system calls. The current file_operations structure has become very large. Here we are concerned about several functions related to my device program. We will use them later. We will not mention them too late:
Static Const Stru
Today I saw the fourth module and the fifth chapter of the Linux device driver development.Seniors gave a task: Remove the DM9000 driver module from the Linux kernel and recompile the kernel.This article is certainly not perfect now, I will make up the whole later, so first
Port Environment (Bold font in redIs the modified content,Blue bold ChineseFor special attention)
1. host environment: centos 5.5 and 1 GB memory in vmare.
2. Integrated Development Environment: Elipse ide
3. compiling environment: Arm-Linux-GCC v4.4.3 and arm-None-Linux-gnueabi-GCC v4.5.1.
4. Development Board: mini2440, 2 m nor flash, 128 m nand Flash.
5, U-boot version: u-boot-2009.08
6,
Linux operating system kernel driver initialization sequence adjustment-general Linux technology-Linux programming and kernel information, the following is a detailed description. We need to use the API provided by another
Change the Linux kernel driver initialization sequence-general Linux technology-Linux programming and kernel information. For more information, see the following. We need to use the API provided by another
The Linux drive that comes with the CD is based on kernel 2.6, the kernel of UBUNTU14 is 3.13, according to the default driver in the CD, Nw336model is Rtl8188cus, official: http://www.realtek.com.tw/downloads/downloadsview.aspx? Langid=3pnid=21pfid=48level=5conn=4downtypeid=3getdown=false , Current UNIX latest versi
I use the board is Sama5d3xek, the original board core is linux-at91-3.13, upgrade use linux-at91-4.10First go to the official website to download a linux-at91-4.10 compressed package, and then unzip in Ubuntu, into the source file directory, I use the ARM board so change makefileThe following VI MakefileThe ARCH? = $ (Subarch)Cross_compile = $ (config_cross_comp
When learning Linux device driver, the first step is to build the kernel tree, first download the Linux kernel, according to the author of Linux Device dervier 3, as long as the linux-2
v4l2 and the data structure designed by the application.
V4l2 driver architecture (This is the underlying write driver that provides the corresponding access interface for the user space. You can refer to/Drivers/Media/video // zc301/zc301_core.cZc301 video driver code in
It is an example of a very well-developed v4l2 architecture provided by the
1. Overview of proc file system
1. The proc file system is a mechanism for Kernel-to-user interaction. Through the proc file system, you can view the status of the Linux kernel in the user mode, you can also configure the kernel through the proc file system.
For example, you can use/proc/meminfo to query memory usage.
Take Mini2440 For example, its Linux kernel directory is/opt/friendlyarm/mini2440/ linux-2.6.32.2, under linux-2.6.32.2 (Linux kernel directory), under the drivers directory, the new directory is named Add_sub_kconfig.To create a
To understand the segment information of Linux kernel code, you need to understand the encoding attribute or defined function or number of GCC's _ attribute, __attribute _ is mainly used to change the declared data features. It has many subitems used to change the characteristics of the target object. For example, for a function, noline will prohibit inline extension, noreturn indicates that no return value
Introduction to Linux device driver development (based on the latest 4.0 kernel)
Linux never stops. Linus Torvalds, one of the greatest programmers in the world, founder of the Linux kernel, and Git creator, are still combining p
1. Usage of export_symbol in Linux The functions defined within the Export_symbol tag are exposed to all kernel code and can be called directly into your kernel module without modifying the kernel code. You can also manually modify the kernel source code to export additiona
This paper analyzes Linux Kernel 1.2.13 based onOriginal works, reproduced please mark http://blog.csdn.net/yming0221/article/details/7555870See column, Address http://blog.csdn.net/column/details/linux-kernel-net.htmlShumingNote: In the title, "(UP)", "(bottom)" means that the analysis process is based on the delivery
Linux driver Kernel configuration-Linux general technology-Linux programming and kernel information. The following is a detailed description. Obtain the simple_new.zip file.
Download to the local device and decompress the package
Five years after running the vxworks driver, I was eager to switch to Linux kernel development. I would like to hear your comments and recommendation companies! -- Linux general technology-Linux programming and kernel information.
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