This program make a arm binary file can be loaded by Allwinner A10 and releated chips from storage media such as nand and mmc. More information about A10 boot, please refer to http://rhombus-tech.net/allwinner_a10/a10_boot_process/ To compile this program, just type make, you will get 'mksunxiboot'. To use it, $./mksunxiboot u-boot.bin u-boot-mmc.bin then you can write it to a mmc card with dd. $sudo dd if=u-boot-mmc.bin of=/dev/sdb bs=1024 seek=8 then insert your mmc card to your A10 tablet, you can boot from mmc card.