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Build GDC

Kernel: 4.19 at $/HOME/linux

toolchain at /opt/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu

• Preparation

export PATH=/opt/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu/bin:$PATH
cd $HOME/linux/
make ARCH=arm64 defconfig
make ARCH=arm64 CROS_COMPILE=aarch64-linux-gnu- -j24

• build gdc drive

cd $GDC_DIR
make ARCH=arm64 CROS_COMPILE=/aarch64-linux-gnu- KDIR=$HOME/linux/