My goal is to change kbuild configs using the command line without messing up dependencies. For this I've created a 'reference' config by editing my default .config with make menuconfig. The 'only...

Here is my cmake to build linux kernle hello world module. if ( UNIX ) # Version number set ( DRV_MAJOR 1 ) set ( DRV_MINOR 0 ) set ( DRV_PATCH 0 ) set ( DRV_VERSION ${DRV_MAJOR}.${DRV_MINO...

I am planning to add support for menuconfig in my project. The project is not associated with Linux kernel so, I have to write everything from scratch in menuconfig and Makefile. How do I add supp...

I can use the following command to create a Linux kernel .config file based on a specified architecture default for a custom ARM-based board: ARCH=arm make defconfig KBUILD_DEFCONFIG=var_som_mx6_a...

I have a Linux kernel image in elf format and I want to find out what .config file was used to build this kernel. When I do an objdump of the image, I see a section called kernel_config_data that c...

Let generate_testapi.py be a script in my Linux kernel module's source tree, that ingests mymod_test.h and generates a interface source file toward userland (ioctl, debugfs, you name it), and lets ...

I'm confronting the Linux kernel build system (Kbuild, kernel ≥2.6.28) with the directory structure and build system for a larger project. Our project contains an out-of-tree Linux kernel module, a...

While compiling Linux from scratch I realize that there are compile codes that appear while compiling. For example CC filename , LD filename, CC[M] filename. What do these codes mean?

In Kernel Makefile i found the code like below: ctags CTAGS CSCOPE: $(HEADERS) $(SOURCES) $(ETAGS) $(ETAGSFALGS) $(HEADERS) $(SOURCES) $(call cmd, ctags) Also, where can i find the Macro or f...

When i'm developing a linux driver, i've read about how to write linux kbuild makefile through this document I know kbuild system use makefile variables such as obj-y obj-m to determine what to b...

I have done make menuconfig for a board defconfig and modified few configurations. When I select save, a new .config was created in the Kernel top directory. I want to create new defconfig for thi...

I understand there is an option to add compile-time macros/definitions to the Kconfig file that can be used in the code. (For example, some definition of a constant, like a #define).

I'm working with a LeopardBoard DM368 and I want to enable some video hardware. The relevant modules are vpfe-capture, isif, and tvp7002. I've written a defconfig file with what I believe to be t...

I'm trying to compile a linux kernel module using a Makefile: obj-m += main.o all: make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules clean: make -C /lib/modules/$(shell uname -r)/b...