... some process, thekernel
lets the disk controller handle it, and resumes executing other processes. An interrupt notifies
the kernel when the device has satisfied the read, so the former process ... while the CPU is running a kernel control path with the
interrupts enabled. The first kernel control path is left unfinished and the CPU starts
processing another kernel control path to handle the ... simplest case, the CPU executes a kernel control path sequentially from the first
instruction to the last. When one of the following events occurs, however, the CPU interleaves
the kernel control...
... address the segment, thekernel just loads the value yielded by the
macro into the cs register.
ã A kernel data segment. The fields of the corresponding Segment Descriptor in the
GDT have the ... or the brk( ) system call (which is invoked internally by malloc( )),
the kernel just updates the size of the heap memory region of the process. A page frame is
UnderstandingtheLinuxKernel ... permanently
mapped by the kernel, and the "high memory," that is, the physical memory that is not
permanently mapped by the kernel.
UnderstandingtheLinuxKernel
26
1.6.4 Process...
...
/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 theo tình huống ...
- Chú ý: phải remove theo thứ tự ngược 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 ... MẠNG ATHENA
2 Bis Đinh Tiên Hoàng, P. Đa Cao, Q.1, TP.HCM
Tel: (84-8) 38244041 – 0989012418 www.athena.edu.vn
Biên soạn: Nguyễn Trí Thức – Lưu Hành Nội Bộ 97
Bài Lab 6: Compiling the linux...
... instructs the shell to execute
the program in the current directory with the given name. (The dot is an alias for the current directory.)
If you forget the
-o name
option that tells the compiler ... Book
The book has a number of aims:
❑ To teach the use of the standard Linux C libraries and other facilities as specified by the various
Linux and UNIX standards.
❑ To show how to make the most ... have their own piles of notes and scribbles. They have their code examples
saved from the past heroic dive into the manuals or from Usenet, where sometimes even fools fear to follow.
(The other...
... Understandingthe Linux
Kernel [BC00] [BC03] tend to cover the entire kernel rather than one topic with the
notable exception of device drivers [RC01]. These books, particularly Understanding
theLinux Kernel, provideinvaluable ... Between these systems,
they have the bulk of the code patterns that are prevalent throughout the rest of the
kernel code, which makes the deciphering of more complex systems such as the page
replacement ... ZONE
NORMAL.Thisisthephysical memory directly accessible
by thekernel and is related to the kernel/ userspace split in the linear address space
marked by PAGE
OFFSET .The value, with the others, is stored...
... music, they adjust the playback volume.
ã At all other times, they adjust the volume of sound effects like the
ringer and alarms.
Either way, a corresponding volume graphic appears on the screen ... general, the iPhone charges even if your
computer is asleep.
ã The AC adapter. The little white two-prong cube that came with the
iPhone connects to the end of the cradle’s USB cable.
Unless the ... you are on the volume scale.
The Bottom and the Back
On the bottom edge of the iPhone, Apple has parked three important com-
ponents, none of which you’ll ever have to bother with: the speakerphone...
... at the time the support was a
little wobbly.Almost before the book was released, the FreeBSD team improvedthe
support and rolled it into the base release. The result? Lots of mail messages to the
FreeBSD-questions ... physically torn out the man pages from the book to
makeitmore manageable. As a result, the third edition had only the most necessary man
pages.
Times have changed since then. At the time, The Complete ... driverfor it.
There are twoways to get a driverinto the kernel: you can build a kernel that includes the
drivercode, or you can load a drivermodule (Kernel Loadable Module or kld)into the
kernel at...
... with the latest bug fixes. Linux and the GNU
toolset are released under the GNU General Public License (GPL). Most other components of a typical
Linux distribution use either the GPL or one of the ... locate the book’s title (either by using
the Search box or by using one of the title lists) and click theDownload Code link on the book’s detail
page to obtain all the source code for the book. ... cre-
ated, the command is executed in the new environment, and the environment is then discarded apart
from the exit code that is returned to the parent shell. However, the external
source and the...
... Styling and Other Basics
www.it-ebooks.info
The @font-face rule declares the name of the font, then enables you to load in a
font file that’s on your server with the src property. You can then just ... markup the following two lists the first
having three list items and the second having one:
The CSS3 Anthology14
www.it-ebooks.info
How do I style the first item in a list differently from the others? ... in the default font size. In theory, if you set the font size of some text to 1ex,
the uppercase letters will display at the height at which the lowercase letter x would
have appeared if the...
... code 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 thekernel ... the kernel. Although thekernel certainly is unique in many ways, at the end of
the day it is little different from any other large software project.
Obtaining theKernel Source
The current Linux ... Introduction to theLinux Kernel
As Linus and other kernel developers contribute to theLinux kernel, they decide how
best to advance Linux without neglecting its Unix roots (and, more important, the Unix...