Top "Embedded-linux" questions

Embedded Linux is the use of Linux in embedded computer systems such as mobile phones, personal digital assistants, media players, set-top boxes, and other consumer electronics devices, networking equipment, machine control, industrial automation, navigation equipment and medical instruments.

Image vs zImage vs uImage

What is the difference between them? I know that u-boot needs a kernel in uImage format. The system I use …

linux-kernel embedded-linux u-boot
How to write a simple Linux device driver?

I need to write an SPI Linux character device driver for omap4 from scratch. I know some basics of writing …

c linux linux-kernel linux-device-driver embedded-linux
How to compile dts Linux device tree source files to dtb?

I have a device tree file (.dts) and I want to compile the file for my powerpc based board. How …

linux-kernel cross-compiling embedded-linux powerpc device-tree
Cross compiling a kernel module

I'm trying to cross compile a helloworld kernel (2.6.x) module for ARM architecture on my intel x86 host. The codesourcery …

makefile cross-compiling embedded-linux kernel-module linux-toolchain
What is the difference between RTOS and Embedded Linux?

RTOS and Embedded Linux are used for embedded systems programming. Is Embedded Linux itself an RTOS ? Can anyone list the …

embedded embedded-linux rtos
How to know linux scheduler time slice?

I'm looking for the value of the time slice (or quantum) of my Linux kernel. Specific Questions: Is there a /…

c linux linux-kernel embedded-linux procfs
insmod error: inserting './hello.ko': -1 Invalid module format"

I have just made my first driver module, the hello world module following LDD3. However unfortunately encountered this error: insmod: …

linux linux-kernel linux-device-driver embedded-linux kernel-module
List all harddrives in a linux system

I'm having problems to detect which one of my block devices is the hard drive. My system has a cd-rom …

linux linux-kernel embedded-linux
How to create a defconfig file from a .config?

I have done make menuconfig for a board defconfig and modified few configurations. When I select save, a new .config …

linux-kernel embedded-linux kbuild archlinux-arm
Tool to visualize the device tree file (dtb) used by the Linux kernel?

I am looking for a tool which can graphically represent the hardware device tree used in linux kernel. I am …

linux linux-kernel arm embedded-linux device-tree