Hints

For users of F1S and F1 Plus, if you encounter problems such as no signal or sensor failure. Please adjust some arguments about modem and sensors at defconfig.
The defconfigs of F1S(15331) and F1Plus(15311) were actually missing, but we can use configs of their China Edition.

Version

This branch is for "kernel-3.10".

Chart

Codename	Device
oppo6750_15127	A37M/T/TM
oppo6750_15131	A59M/S F1S
oppo6750_16021	A39
oppo6755_15111	R9M/TM/KM F1Plus

Build (example)

$ apt install -yq bc gcc lib32z1
$ git clone https://android.googlesource.com/platform/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9 -b android-6.0.1_r32 --depth=1
$ export Codename=(codename of your device)
$ export ARCH=arm64
$ export CROSS_COMPILE=$(pwd)/aarch64-linux-android-4.9/bin/aarch64-linux-android-
$ cd android_kernel_oppo_mt6750
$ make ${Codename}_debug_defconfig
$ make -j$(nproc --all) 2>&1 | tee build.log

There are also many optional build arguments in the "Makefile". Such as the "NET_BUILD_TYPE" and etc.

Output

Kernel: arch/arm64/boot/Image.gz-dtb

Module(Optional): the "hypnus" module