u-dma-buf kernel module debian package

Overview

Introduction

This is a repository for making udmabuf kernel module debian package.

Udmabuf is a Linux device driver that allocates contiguous memory blocks in the kernel space as DMA buffers and makes them available from the user space.

For details of udmabuf, please refer to following URL.

• https://github.com/ikwzm/udmabuf

Build Debian Package

Download repository

shell$ git clone --recursive --depth=1 -b v5.0.0 https://github.com/ikwzm/u-dma-buf-kmod-dpkg
shell$ cd u-dma-buf-kmod-dpkg

Cross Compile

Parameters

Parameter Name	Description	Default Value
kernel_release	Kernel Release Name	$(shell uname -r)
arch	Architecture Name	$(shell uname -m | sed -e s/arm.*/arm/ -e s/aarch64.*/arm64/)
deb_arch	Debian Architecture Name	$(shell dpkg --print-architecture)
kernel_src_dir	Kernel Source Directory	/lib/modules/$(kernel_release)/build
kernel_package	Kernel Image Debian Package	linux-image-$(kernel_release)

shell$ sudo debian/rules arch=arm deb_arch=armhf kernel_release=6.1.33-armv7-fpga kernel_src_dir=/usr/src/linux-6.1.33-armv7-fpga binary
    :
    :
    :
shell$ file ../u-dma-buf-6.1.33-armv7-fpga_5.0.0-0_armhf.deb 
../u-dma-buf-6.1.33-armv7-fpga_5.0.0-0_armhf.deb: Debian binary package (format 2.0), with control.tar.xz, data compression xz

Self Compile

shell$ sudo debian/rules binary
    :
    :
    :
shell$ file ../u-dma-buf-6.1.33-armv7-fpga_5.0.0-0_armhf.deb 
../u-dma-buf-6.1.33-armv7-fpga_5.0.0-0_armhf.deb: Debian binary package (format 2.0), with control.tar.zs, data compression zst

Self Compile on Raspberry Pi

shell$ sudo apt install raspberrypi-kernel-headers
shell$ sudo debian/rules kernel_package=raspberrypi-kernel binary
    :
    :
    :
shell$ file ../u-dma-buf-6.1.21-v8+_5.0.0-0_arm64.deb
../u-dma-buf-6.1.21-v8+_5.0.0-0_arm64.deb: Debian binary package (format 2.0), with control.tar.zs, data compression zst