... 2001)
linux/ kernel
n The corekernel 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 ... LInux LOader
n 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 ... mprotect.c.
CS591 (Spring 2001)
linux/ scripts
n Scripts for:
n Menu-based kernel configuration.
n Kernel patching.
n Generating kernel documentation.
12
CS591 (Spring 2001)
LILO: LInux LOader
n A versatile...
... nguyên hệ thống cho các người dùng
Kernel Modules
Trong những năm đầu của Linux, kernelLinux 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 Linuxkernel ra đời.
Modular Linuxkernel 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/hda9
read-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 nhớ
Quản...
... Install New Kernel
Customize & Install New Kernel
There are many possible make targets in
the Linuxkernel 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 linuxkernel
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...
... usually operate on a common address space. Linux uses kernel threads in a
very limited way to execute a few kernel functions periodically; since Linuxkernel
threads cannot execute user programs, ... and code areas. When running in Kernel Mode, the process addresses the
kernel data and code area and uses another stack.
Since the kernel is reentrant, several kernel control paths—each related ... Regions
Implementing a reentrant kernel requires the use of synchronization. If a kernel control path is
suspended while acting on a kernel data structure, no other kernel control path should be...
... primary purpose of micro-
kernel design altogether.
Linux is a monolithic kernel; that is, the Linuxkernel executes in a single address space
entirely in kernel mode. Linux, however, borrows ...
www.it-ebooks.info
ptg
8
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 ... between the Linuxkernel and classic
Unix systems:
n
Linux supports the dynamic loading of kernel modules. Although the Linuxkernel
is monolithic, it can dynamically load and unload kernel code...
... the Kernel
Chapter 3, Retrieving the Kernel Source
Chapter 4, Configuring and Building
Chapter 5, Installing and Booting from a Kernel
Chapter 6, Upgrading a Kernel
www.it-ebooks.info
LINUX KERNEL
IN ... and install the util -linux package yourself, you can find it
at http://www .kernel. org/pub /linux/ utils/util -linux.
As of the 2.6.18 kernel release, the 2.10 release of util -linux is the oldest ... a
stable kernel release.
Where to Find the Kernel Source
All of the source code for the Linuxkernel can be found on one of the kernel. org
sites, a worldwide network of servers that mirror the Linux...
... official 2.6.11 version of the Linux kernel, which can be
downloaded from the web site http://www .kernel. org.
Be aware that most distributions of GNU /Linux modify the official kernel to imple-
ment new ... performance pen-
alty.
Linux developers are excellent programmers. Linux systems are very stable; they
have a very low failure rate and system maintenance time.
The Linuxkernel can be very small ... design choices of several
different Unix kernels.
The following list describes how Linux competes against some well-known commer-
cial Unix kernels:
Monolithic kernel
It is a large, complex do-it-yourself...
...
compiling kernels.
· The LinuxKernel Archives
http://www .kernel. org/
This is the primary site for the Linuxkernel source.
· The International Kernel Patch
http://www.kerneli.org/
Where the Linux ... 14: Kernel
Page 334
· Linux Administration Made Easy (LAME)
A book from the LDP which includes sections on LinuxKernel Upgrades,
Upgrading a Red Hat Stock Kernel, Building a Custom Kernel, ... install the
kernel- bigmem
package (the kernel version might vary):
rpm -ivh kernel- bigmem-2.4.18-7.95.i686.rpm
If you plan to upgrade the
kernel- source
,
kernel- docs
, or
kernel- utils
...
... 7654321
PDF
Developer s Guide
Borland Software Corporation
100 Enterprise Way, Scotts Valley, CA 95066-3249
Borland
®
Kylix
™
Delphi
™
for Linux
®
Introduction
1-1
Chapter
1
Chapter1Introduction
The Developer s ... Internet
Web server applications using Kylix, Delphi for the Linux operating system. The
Developer s Guide assumes you are familiar with using Linux and understand
fundamental programming techniques. ... described in Table 1.1 to indicate special
text.
Developer support services
Borland also offers a variety of support options to meet the needs of its diverse
developer community. To find out about support...
... flexible than ELF. For this reason, uClinux[64]
developers switched from COFF to ELF while porting their system from 2.0
to 2.4.
[64]uClinuxis a version of the Linuxkernel that can run on processors ... the uClinux port of the Linuxkernel to MMU-less processors
introduces a separate mmnommu directory. It closely replicates the official
mm while leaving out any MMU-related code. The developers ... allows
kernel code to invoke a limited number of system calls just as if it were
running in user space. More information about kernel system calls can be
found in http://www .linux. it/kerneldocs/ksys....
... modern Linux system, as provided by the latest ver‐
sions of the Linuxkernel (3.9), gcc (4.8), and C library (2.17).
As system interfaces are generally set in stone—the Linuxkernel developers ... importantly, the Linuxkernel guarantees
the stability of system calls. Once a system call is implemented in a stable version of the
Linux kernel, it is set in stone.
Among the various Linux distributions, ... backseat to C in system programming. Historically, Linux
developers favored C over C++: core libraries, daemons, utilities, and of course the Linux
kernel are all written in C. Where the ascendancy...