Kernel

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In your linux SDK root directory. enter to kernel directory. 

cd kernel

Config your kernel.

For ARM v7: RK3288

make ARCH=arm rockchip_linux_defconfig

For ARM V8: RK3399, RK3328

make ARCH=arm64 rockchip_linux_defconfig

For RK3399 sapphire-excavator board, VS-RK3399 board, Rock960 board. Use below command to build the kernel: 

make ARCH=arm64 rk3399-sapphire-excavator-linux.img -j8

For firefly-rk3399 board. Use below command to build the kernel: 

make ARCH=arm64 rk3399-firefly-linux.img -j8

For firefly-rk3288 board. Use below command to build the kernel: 

make ARCH=arm rk3288-firefly.img -j8

For rk3288-evb-act8846 board. Use below command to build the kernel: 

make ARCH=arm rk3288-evb-act8846.img -j8

For rk3288-evb-rk808 board. Use below command to build the kernel: 

make ARCH=arm rk3288-evb-rk808-linux.img -j8

For rk3288 tinker board. Use below command to build the kernel: 

make ARCH=arm rk3288-miniarm.img -j8

For phytec-rk3288 board. Use below command to build the kernel: 

make ARCH=arm rk3288-phycore-rdk.img -j8

For rk3288 miqi board. Use below command to build the kernel: 

make ARCH=arm rk3288-miqi.img -j8

For rk3288-evb-rk1608 board. Use below command to build the kernel: 

make ARCH=arm rk3288-evb-rk1608.img -j8

It will generate boot.img(ARM v8) or zboot.img(ARM v7):  it pack kernel image and resource image into Android boot image format. Please flash this binary to boot partition