[Nexus 10] How to build & install a kernel for Nexus 10

Downloading a kernel source for Nexus 10

# git clone https://android.googlesource.com/kernel/exynos.git # cd exynos # git checkout android-exynos-manta-3.4-jb-mr1-fr

Ensure that the prebuilt toolchain is in your path

# export PATH=~/aosp_android-4.2.1_r1.2/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin:$PATH

Building a manta kernel

we would build the manta kernel using the following commands:

# export ARCH=arm # export SUBARCH=arm # export CROSS_COMPILE=arm-eabi- # make manta_defconfig # make

The kernel for mantaray is device/samsung/manta/kernel

The image is output as arch/arm/boot/zImage. You may copy it as device/samsung/manta/kernel.

Creating a boot.img

Copy a image to ~/aosp_android-4.2.1_r1.2/out/target/product/manta directory.

# cp zImage ~/aosp_android-4.2.1_r1.2/out/target/product/manta/

Ensure that the mkbootimg binary is in your path

# export PATH=~/aosp_android-4.2.1_r1.2/out/host/linux-x86/bin:$PATH

Move to ~/aosp_android-4.2.1_r1.2/out/target/product/manta/ directory.

# cd ~/aosp_android-4.2.1_r1.2/out/target/product/manta/

Create a boot.img

# mkbootimg --kernel zImage --ramdisk ramdisk.img -o new-boot.img

Flashing a device

Once the device is in fastboot mode, run

# fastboot boot new-boot.img