October 2017
Intermediate to advanced
586 pages
14h 8m
English
Content preview from Linux Device Drivers Development
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Kernel configuration
The Linux kernel is a makefile-based project, with thousands of options and drivers. To configure your kernel, either use make menuconfig for an ncurse-based interface or make xconfig for an X-based interface. Once chosen, options will be stored in a .config file, at the root of the source tree.
In most cases, there will be no need to start a configuration from scratch. There are default and useful configuration files available in each arch directory, which you can use as a starting point:
ls arch/<you_arch>/configs/
For ARM-based CPUs, these config files are located in arch/arm/configs/, and for an i.MX6 processor, the default file config is arch/arm/configs/imx_v6_v7_defconfig. Similarly, for x86 processors we find ...