----- Peng Xiaolin
The following is my kconfig test script.
Tristate "test counter1"
# No compilation by defaultDefault nHelpThis is for Pulse counter test.Config test_counter2Tristate "test counter2"
# The default compilation is the
1. virualobox setting-> shared folders-> added shared folders: Enter the folder path and select make permanent for the folder name.
2. Modify the fstab file path/etc/fstab to add
# Proc/proc nodev, noexec, nosuid 0 0Hdata/Media/window_disk
Source codeAll in the directory:/usr/src/Linux (mostlyLinuxReleasing Version)
Arch:Includes hardware architecture-relatedCodeEach platform occupies a directory. The 32-bit PC-related code is stored in the i386 directory, including the kernel
QQ: 196568501
Mail: bookworepeng@hotmail.com
Welcome to exchange!
Note:
All the codes are changed at the file board-am335xevm.c
Define led informations
Static struct gpio_led am335x_evm_gpio_leds [] = {{. name = "omap3evm: LEDA",/
4. Install and use puttyI used minicom just now. It is indeed usable, but it is not very convenient and inconvenient to use. That is, the window size of the terminal cannot be adjusted by dragging and dropping, the display content is gone, and the
(Reproduced) bojan on: PublicI also want to add my favoriteIn the Linux driver, you can use the wait queue to wake up the blocked process. Wait queue appeared in the Linux kernel as a basic function unit for a long time. It uses the basic queue data
If you want to learn the basic operations in linux again, you should be familiar with the commands.
Repeat the state-embedded experiment. Although I have done it before, I have not made any records, so I feel a little confused now, so starting with
File programming and time programming:
1. There are two methods for file programming: System Call and c-library function call. The former depends on the linux operating system used, while the latter does not.
2. time Programming is to get the local
Sometimes, when we forget the root password, this will bring us great inconvenience, but through some system settings we can eliminate the root password, but I think the premise is that you have to be able to access the root user.
Step into the
Process-related concepts
I. Theoretical Basis of process control: in the operating system, a process is defined as a running activity of a program with certain independent functions. A program is called a process during running.
2. The process has
1. Install arm-linux-gcc-4.3.2
1. Download the installation package arm-linux-gcc-4.3.2.tgz
2. Run the following command to install
Tar-ivzxf arm-linux-gcc-4.3.2.tgz-C/(install to the specified root directory C represents change)
3. Run gedit/root/.
Quoted from InterIntel 80386Programmer's ReferenceManual
The 80386 switches execution to another task in any of four cases:
Task Switching occurs in the following situations:
1. The current task executes a JMP or CALL that refers to a TSS
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service