Linux Kernel Development pdf

... and Kernels 4 Linux Versus Classic Unix Kernels 6 Linux Kernel Versions 8The Linux Kernel Development Community 10Before We Begin 102 Getting Started with the Kernel 11Obtaining the Kernel ... you begin developing code for the Linux kernel, you become a part of the global kernel development community.The main forum for this community is the Linux Kernel Mailing List (oft-shortened ... compile the kernel and most everything else written in C on a Linux system).The kernel developers use both ISO C991 and GNU C extensions to the C language. These changes wed the Linux kernel...

... primary purpose of micro- kernel design altogether. Linux is a monolithic kernel; that is, the Linux kernel executes in a single address space entirely in kernel mode. Linux, however, borrows ... between the Linux kernel and classic Unix systems:n Linux supports the dynamic loading of kernel modules. Although the Linux kernel is monolithic, it can dynamically load and unload kernel code ... www.it-ebooks.infoptg8 Chapter 1 Introduction to the Linux Kernel As Linus and other kernel developers contribute to the Linux kernel, they decide how best to advance Linux without neglecting its Unix roots...

... true parallelism. Linux has a unique implementation of threads.To the Linux kernel, there is no con-cept of a thread. Linux implements all threads as standard processes.The Linux kernel 9 Patches ... turns out that the kernel is executing an idle process in process context in the kernel. Linux Versus Classic Unix KernelsOwing to their common ancestry and same API, modern Unix kernels share various ... in the kernel. MAINTAINERS lists the names of the individuals who maintain subsystems and drivers in the kernel. Makefile is the base kernel Makefile.Building the Kernel Building the kernel...

... embedded Linux. Chapter 2, “Getting Started,” explains the architecture of embedded Linux and compares it with traditional RTOS and microkernel architectures. In briefvarious Linux kernel subsystems ... applications and the kernel. Ⅲ Understand uCLinux architecture and its programming model.Ⅲ Understand the embedded Linux graphics subsystem.6 Embedded Linux System Design and Development Ⅲ ELC ... provide IDEs for embedded Linux development. 1.1.4 Year 2002The year 2002 saw a major advancement of Linux in embedded markets withmore and more companies adopting Linux in their product designs....

... mprotect.c.CS591 (Spring 2001) linux/ scripts n Scripts for:n Menu-based kernel configuration.n Kernel patching.n Generating kernel documentation.12CS591 (Spring 2001)LILO: LInux LOadern A versatile ... LInux LOadern A versatile boot manager that supports:n Choice of Linux kernels.n Boot time kernel parameters.n Booting non -Linux kernels.n A variety of configurations.n Characteristics:n Lives ... 2001) linux/ kernel n The core kernel code.n sched.c – “the main kernel file”:n scheduler, wait queues, timers, alarms, task queues.n Process control:n fork.c, exec.c, signal.c, exit.c etc…n Kernel...

... nguyên hệ thống cho các người dùng Kernel ModulesTrong những năm đầu của Linux, kernel Linux là một monolithic kernel. Monolithic kernel là tất cả các dịch vụ của Kernel được biên dịch hết vào trong ... sự bất tiện của nó. thế là modular Linux kernel ra đời.Modular Linux kernel bao gồm một kernel tối tiểu và một tập các modules có thể được thêm vào khi kernel đang chạy để hỗ trợ các thiết ... root=/dev/hda9read-only Linux Kernel Giới thiệu Linux kernel cung cấp một giao diện giữa các ứng dụng người dùng, hệ thống phần cứng và tài nguyên. Một vài chức năng của Linux là:Quản lý bộ nhớQuản...

... Install New Kernel Customize & Install New Kernel There are many possible make targets in the Linux kernel Makefile that can be used to build kernel :make dep Build a list of all kernel deps. ... CTT Building a Monolithic Kernel Building a Monolithic Kernel If you build all supports directly into kernel, the new kernel referred monolithic kernel In kernel configuration, a “Y”answer ... kernel propertiesDemonstrate new kernel preparationIdentify and use kernel configuration toolsRecompile and install a kernel Identify kernel modulesConfigure LILO to use a new kernel The...

... Nội Bộ 97 Bài Lab 6: Compiling the linux kernel 1/ Kernel module: - Xem version của kernel bằng lệnh: - Dùng lệnh lsmod để liệt kê các module của kernel: - Dùng lệnh modinfo để xem ... được đưa vào /lib/modules /kernel- version. Kernel image và initrd được đưa vào /boot/.  Với việc biên dịch kernel, với mỗi kernel có thể có các lỗi khác nhau. (Vì source kernel không đúng). Tùy ... lại. - Liệt kê module lại để kiểm tra 2/ Compiling kernel: - Download source kernel từ trang kernel. org. - Để biên dịch được kernel, cần cài bộ C compiler. Xem lại phần cài đặt ở bài...

... ??!41Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008Legal proprietary Linux drivers (1)Working around the GPL by creating a GPL wrapper:WrapperSpecial API Linux kernel Binaryblob(proprietarydriver)The proprietary blob is not broken when you recompile or update the  kernel and/or driver. Hence, the proprietary driver may not be considered as a derivative work. However, the kernel is monolithic and the blob still belongs to a single executable. This is still controversial!23Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008Embedded Linux driver development Kernel overview Kernel subsystems50Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008Embedded Linux driver development Compiling and booting Linux Linux kernel sources29Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008 Linux development and testing releasesTesting releasesSeveral testing releases per month, before the next stable one.You can contribute to making kernel releases more stable by testing them!Example: 2.6.12­rc1 Development versionsUnstable versions used by kernel developersbefore making a new stable major releaseExamples: 2.3.42, 2.5.74 Odd number4Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008Hyperlinks in this documentLinks to external sitesExample: http:/ /kernel. org/ Kernel source filesOur links let you view them in your browser.Example: kernel/ sched.c Kernel source code ­ Identifiers: functions, macros, type definitions ... ??!41Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008Legal proprietary Linux drivers (1)Working around the GPL by creating a GPL wrapper:WrapperSpecial API Linux kernel Binaryblob(proprietarydriver)The proprietary blob is not broken when you recompile or update the  kernel and/or driver. Hence, the proprietary driver may not be considered as a derivative work. However, the kernel is monolithic and the blob still belongs to a single executable. This is still controversial!23Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008Embedded Linux driver development Kernel overview Kernel subsystems50Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008Embedded Linux driver development Compiling and booting Linux Linux kernel sources29Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008 Linux development and testing releasesTesting releasesSeveral testing releases per month, before the next stable one.You can contribute to making kernel releases more stable by testing them!Example: 2.6.12­rc1 Development versionsUnstable versions used by kernel developersbefore making a new stable major releaseExamples: 2.3.42, 2.5.74 Odd number4Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008Hyperlinks in this documentLinks to external sitesExample: http:/ /kernel. org/ Kernel source filesOur links let you view them in your browser.Example: kernel/ sched.c Kernel source code ­ Identifiers: functions, macros, type definitions ... }The GNU C compiler will make your code fasterfor the most likely case.Used in many places in kernel code!Don't forget to use these statements!1Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008Embedded Linux driver development Embedded Linux kernel and driver development Thomas Petazzoni / Michael OpdenackerFree Electronshttp://free­electrons.com/Created with OpenOffice.org 2.x34Embedded Linux kernel and driver development © Copyright 2004­2008, Free ElectronsCreative Commons Attribution­ShareAlike 2.5 licensehttp://free­electrons.comFeb 27, 2008What's new in each Linux release? (1)The official list of changes for each Linux release is just a huge list of individual patches!Very difficult to find out the key changes and to get the global picture out of individual changes.commit...

... Web Content Management Development Foreword xxiiiIntroduction xxvChapter 1: Embarking on Web Content Management Projects 1Chapter 2: Windows SharePoint Server 3.0 Development Primer 19Chapter ... with SharePoint to create innovative development and platform tools for SharePoint; his advancements extend and enhance SharePoint as a custom application development platform.Patrick Tisseghem ... they used the same layout name and set of fields (or content type ). After thorough testing, development releases the new solution package to a system administrator who installs it on the...