uboot编译

function build_uboot(){
    check_config RK_UBOOT_DEFCONFIG || return 0
    build_check_cross_compile
    prebuild_uboot

    echo "============Start building uboot============"
    echo "TARGET_UBOOT_CONFIG=$RK_UBOOT_DEFCONFIG"
    echo "========================================="

    if [ "$RK_RAMDISK_SECURITY_BOOTUP" = "true" ];then
        if [ -n "$RK_CFG_RAMBOOT" ];then
            build_ramboot
        else
            build_kernel
        fi

        if [ -n "$RK_CFG_RECOVERY" ]; then
            build_recovery
        fi
        cp -f $TOP_DIR/rockdev/boot.img $TOP_DIR/u-boot/boot.img
        cp -f $TOP_DIR/rockdev/recovery.img $TOP_DIR/u-boot/recovery.img || true
    fi

    cd u-boot
    rm -f *_loader_*.bin
    if [ "$RK_LOADER_UPDATE_SPL" = "true" ]; then
        rm -f *spl.bin
    fi

    if [ -n "$RK_UBOOT_DEFCONFIG_FRAGMENT" ]; then
        if [ -f "configs/${RK_UBOOT_DEFCONFIG}_defconfig" ]; then
            make ${RK_UBOOT_DEFCONFIG}_defconfig $RK_UBOOT_DEFCONFIG_FRAGMENT
        else
            make ${RK_UBOOT_DEFCONFIG}.config $RK_UBOOT_DEFCONFIG_FRAGMENT
        fi
        ./make.sh $UBOOT_COMPILE_COMMANDS
    elif [ -d "$TOP_DIR/prebuilts/gcc/linux-x86/arm/gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf" ]; then
        ./make.sh $RK_UBOOT_DEFCONFIG \
            $UBOOT_COMPILE_COMMANDS CROSS_COMPILE=$CROSS_COMPILE
    elif [ -d "$TOP_DIR/prebuilts/gcc/linux-x86/aarch64/gcc-arm-10.3-2021.07-x86_64-aarch64-none-linux-gnu" ]; then
        ./make.sh $RK_UBOOT_DEFCONFIG \
            $UBOOT_COMPILE_COMMANDS CROSS_COMPILE=$CROSS_COMPILE
    else
        ./make.sh $RK_UBOOT_DEFCONFIG \
            $UBOOT_COMPILE_COMMANDS
    fi

    if [ "$RK_IDBLOCK_UPDATE_SPL" = "true" ]; then
        ./make.sh --idblock --spl
    fi

    if [ "$RK_RAMDISK_SECURITY_BOOTUP" = "true" ];then
        ln -rsf $TOP_DIR/u-boot/boot.img $TOP_DIR/rockdev/
        ln -rsf $TOP_DIR/u-boot/recovery.img $TOP_DIR/rockdev/ || true
    fi

    finish_build
}