Linux Kernel for ARTIK710/KITRA710

Introduction
Build guide
Update guide

1. Introduction

This is the branch for kernel 4.1, for 4.4 check the n4.4 branch.

2. Build guide

2.1 Install cross compiler

sudo apt-get install gcc-aarch64-linux-gnu

If you can't install the above toolchain, you can use linaro toolchain.

wget https://releases.linaro.org/components/toolchain/binaries/5.3-2016.05/aarch64-linux-gnu/gcc-linaro-5.3.1-2016.05-x86_64_aarch64-linux-gnu.tar.xz
tar xf gcc-linaro-5.3.1-2016.05-x86_64_aarch64-linux-gnu.tar.xz
export PATH=~/gcc-linaro-5.3.1-2016.05-x86_64_aarch64-linux-gnu:$PATH

You can the path permernently through adding it into ~/.bashrc

2.2 Install android-fs-tools

To generate modules.img which contains kernel modules, you can use the make_ext4fs.

sudo apt-get install android-tools-fsutils

2.2 Build the kernel

make ARCH=arm64 kitra710_defconfig

If you want to change kernel configurations,

make ARCH=arm64 menuconfig

make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- Image -j4
make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- dtbs
mkdir usr/modules
make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- modules_install INSTALL_MOD_PATH=usr/modules INSTALL_MOD_STRIP=1
make_ext4fs -b 4096 -L modules \
	-l 32M usr/modules.img \
	usr/modules/lib/modules/
rm -rf usr/modules

3. Update Guide

Copy compiled binaries into your board.

scp arch/arm64/boot/Image root@{YOUR_BOARD_IP}:/root
scp arch/arm64/boot/dts/nexell/*.dtb root@{YOUR_BOARD_IP}:/root
scp usr/modules.img root@{YOUR_BOARD_IP}:/root

On your board

mount -o remount,rw /boot
cp /root/Image /boot
cp /root/*.dtb /boot
dd if=/root/modules.img of=/dev/mmcblk0p2
sync
reboot

pgrosu/Kitra710-kernel