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Linux Kernel series-9. Loader for Operating System Development and linuxloader
An operating system starts running from boot to boot, and generally goes through the process of "boot-> loading the kernel into memory-> jumping into protection mode-> starting to execute the kernel
Let the Linux kernel 2.6.24 support usb mouse on the Development Board-general Linux technology-Linux programming and kernel information. The following is a detailed description. This afternoon, we modified menuconfig for the prev
Linux Kernel development acceleration Red Hat contributes the most codeThis article was published on | 2197 views | Source: solidot | comments (7)Keywords: Linux | thanks to ydj9931 | add this news to favoritesThe Linux Foundation released the
What is the future development direction of Linux kernel-general Linux technology-Linux programming and kernel information? For details, refer to the following. To care about the development
Tags: open org bar source download BSP Color class sub FontBasic Porting1. Source code DownloadDownload the latest linux4.9.9 kernel: https://mirrors.edge.kernel.org/pub/linux/kernel/.The third number is the revision number.2. Unzip and configuretar xvf linux-4.9. 9. tar. XZEnter the
fast as before the character "^" printing speed is much slower, indicating that there are many times the program in the Implementation of INC byte [gs:0] The DISP_STR is not executed afterwards, which also shows that interrupt re-entry does occur:Well, we've got a way to solve the problem of interrupt re-entry, so comment out the words of the print character and the delay:hwint00:; Interrupt routine for IRQ 0 (the clock). Subesp, 4pushad; '. Pushds; | pushes; | Save original register value PU
Article title: a new chapter in system technology development: compiling the Linux kernel. Linux is a technology channel of the IT lab in China. It includes some basic categories such as desktop applications, Linux system management, ker
The learning curve become longer and steeper.As the increasingly complex, the newbie or newcomers become harder.To make the source code sensible interface, consistent layout, elegant code."Do one thing, and does it well", "simple, and reliable"To evaluate, to comment the source by fairTry to interact with the kernel instead of reading itStay fresh, stay abreast, stay positiveI proceed with trepidation when converting my experience in
-parameters.txtU_boot of the Bootcmd and the Bootargs Detailed parameters: http://www.cnblogs.com/cornflower/archive/2010/03/27/1698279.htmlInitrd:src\documentation\initrd.txt
NFS Mode
Computer-side:Try not to use virtual machines.The root file system is in NFS (the virtual machine IP Acquisition method must be configured manually ):Linux Mint first menu, System Management, network settings static IP, or sudo ifconfig eth0 192.168.1.2M
Linux Kernel development: Use Git to manage source code-general Linux technology-Linux programming and kernel information. For more information, see the following. Git is Linux Torvalds
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
// Add a program to the Linux kernel and complete the following three tasks:1. Copy the source code to the corresponding Linux directory.2. Add the compilation option of the project corresponding to the new source code to the kconfig file in the directory.3. Add the new source code compilation entries to the MAKEFILE file in the directory.
The following uses the
Only the question is displayed, but no answer is displayed. From today on, we will work together one day. Please correct the mistakes.
1) What kernel locks does Linux have?
2) What is the meaning of the user mode and Kernel Mode in Linux?
3) How to Apply for a large kernel
program is loaded by the BIOS or DOS, we do not know the segment address, so we do not know the program runtime in memory location.Now, loader is loaded by ourselves, the segment address has been identified as Baseofloader, so the physical address of the label (variable) appearing in loader can be represented by the following formula:The physical address of the designator (variable) =baseofloader*10h+ The offset of the label (variable)We put it and the corresponding statement in the Load.inc.Ba
This section provides a brief introduction to the relevant knowledge points for process scheduling in kernel development.
What is process schedulingProcess scheduling is the process of selecting the most appropriate process to execute in a process that is already ready.Process scheduling PolicyReal-time class scheduling strategyScheduling strategies for non-real-time classesTiming of process scheduling
upper half function is "registration interruption". When an interruption occurs, it reads and writes the relevant hardware and then mounts the lower half of the Interrupt Routine to the execution queue of the device. Therefore, the execution speed in the upper half is very fast, and more interrupt requests can be served. However, only "registration interruption" is far from enough, because the interruption event may be complicated. Therefore, Linux i
Linux Kernel Development and Learning Guide for Embedded Systems-Linux general technology-Linux programming and kernel information. For details, see the following.
The following figure is taken from instructor Wang honghui's Guid
Zhongguancun library building held the road of embedded development, embedded system Linux kernel research expert Wang Hong Hui to -- Linux general technology-Linux programming and kernel information, below is the details to read.
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