Stock kernel of the LETV 1s x500, x3, without any modification.
Official Guide For building
Le 1S Kernel Build mini-Howto
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1. Build
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- get toolchain
From android git server, codesourcery etc.
- aarch64-linux-android-4.9
- Unpack kernel source
Suppose kernel source has been unpacked to <kernel> dir.
- make output folder
$ mkdir <kernel>/out
- export env variables
export correct "CROSS_COMPILE" to use the toolchain path you have downloaded.
$ export CROSS_COMPILE=<Your cross compilee dir>/aarch64-linux-android-4.9/bin/aarch64-linux-android-
$ export JOBS=16 # Can be CPU core # x 2
- build kernel
$ cd <kernel>
$ make -C $PWD O=$PWD/out ARCH=arm64 x500_defconfig
$ make -j$JOBS -C $PWD O=$PWD/out ARCH=arm64 KCFLAGS=-mno-android
2. Output files
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- Kernel: out/arch/arm64/boot/Image
3. Clean up
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$ rm -rf out