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1. How to Build
	- get Toolchain
		From android git server, codesourcery and etc ..
		 - aarch64-linux-android-4.9

	- edit Makefile
		edit "CROSS_COMPILE" to right toolchain path(You downloaded).
		Ex)   export PATH=$PATH:$(android platform directory you download)/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin
		Ex)   export CROSS_COMPILE=aarch64-linux-android-

		$ mkdir ../out
		$ make ARCH=arm64 O=../out merge_hi3650_defconfig
		$ make ARCH=arm64 O=../out -j8

2. Output files
		- Kernel : out/arch/arm64/boot/Image
		- module : out/drivers/*/*.ko

3. How to Clean
		$ make ARCH=arm64 distclean
		$ rm -rf out
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