# copy boot files sudo cp $SIGMA_SDK/bsp/u-boot/u-boot.bin /tmp/sd/boot/ sudo cp $SIGMA_SDK/bsp/linux/arch/arm64/boot/Image /tmp/sd/boot/zImage sudo cp $SIGMA_SDK/bsp/linux/arch/arm64/boot/dts/<board>.dtb /tmp/sd/boot/
Before touching the SDK, install the standard build essentials and 32-bit libraries (required for some proprietary binary tools). sigmastar sdk install
To make the compiler accessible system-wide, add its bin directory to your path variable. Open your ~/.bashrc file: nano ~/.bashrc Use code with caution. # copy boot files sudo cp $SIGMA_SDK/bsp/u-boot/u-boot