Sunxi-bsp script analysis

The sunxi-bsp script analysis command is as follows :. /script/sunxi-media-create.sh/dev/sdb boot file operating system file analysis is as follows: umountsdsd card first 1 MB bytes, clear all 0sfdisk command write partition table two partitions are formatted into vfat and ext4 file system decompress two files... the sunxi-bsp script analysis command is as follows :. /script/sunxi-media-create.sh/dev/sdb boot file operating system file analysis is as follows: umount sdsd card first 1 MB bytes, clear all 0sfdisk command write partition table two partitions are formatted into vfat and ext4 file system decompress two files to the temporary directory/bootloader/sunxi-spl.bin write to SD Card 8 K, (second boot system) /bootloader/u-boot.bin write to 32 K (real boot module) two partitions mount to file system copy file/kernel/uImage => First Partition Copy file/kernel /*. bin => copy the file/kernel/* in the first partition /*. scr => First Partition Copy file operating system file/* => Second Partition Copy file/rootfs/* => Second Partition is summarized as follows: the script is mainly partitioned and formatted, the copy file is divided into two partitions. extract the two files and copy them to the partition.