sosboot-ng switch-to-uboot 2

# ./switch-to-uboot
Verifying archive integrity... All good.
Uncompressing AC100 uboot+gpt installer.........
Analyzing NV partition table...
Boot device: /dev/mmcblk1

Partition table:
SOS [start:11264, end:21503, fs: ]
LNX [start:21504, end:37887, fs: ]
APP [start:39936, end:654335, fs: ]
CAC [start:654336, end:1473535, fs: ]
MSC [start:1473536, end:1477631, fs: ]
UDA [start:1478656, end:4007935, fs: ]
UDB [start:4008960, end:62521343, fs: ]

Keep this partition table (y/n) ? n

Ready to install u-boot. Old bootloader will be removed.
Current partition table will be destroyed.
Continue (y/n) ? y
Installing u-boot...
Dump configuration...
1+0 records in
1+0 records out
bct size: 4080
Error parsing: BlockSize=0x00004000
Failed to gen new BCT.
Failed to install u-boot