1.rootfs/ 2IMAGE/ 3br.log 4buildroot/output/ 5buildroot/dl/ 6device/rockchip/.BoardConfig.mk 7rkbin/bin/rk35/FlashHead.bin 8rkbin/bin/rk35/UsbHead.bin 9ubuntu-18.04/ 10ubuntu-20.04/ 11ubuntu/ 12output/ 13/rockdev 14*.o 15*.cmd 16*.ko 17*.mod.c 18*.mod 19Module.symvers 20modules.order 21