Попробуйте в u-boot команду dump D0042000 (отображение содержимого памяти) сравните с началом файла ukernel
Почемуто команда копирования затирает оригинал и не сохраняет копии...
05.09.2009 17:10:10.65 [RX] - tftpboot 0x22200000 ukernel<CR><LF>
macb0: link up, 100Mbps full-duplex (lpa: 0x45e1)<CR><LF>
Using macb0 device<CR><LF>
TFTP from server 192.168.0.77; our IP address is 192.168.0.190<CR><LF>
Filename 'ukernel'.<CR><LF>
Load address: 0x22200000<CR><LF>
Loading: *<BS>#################################################################<CR><LF>
<HT> #####################<CR><LF>
done<CR><LF>
Bytes transferred = 1253892 (132204 hex)<CR><LF>
U-Boot>
05.09.2009 17:10:19.65 [TX] - md 22200000<CR><LF>
05.09.2009 17:10:19.65 [RX] - md 22200000<CR><LF>
22200000: 56190527 a625326d 1696964a c4211300 '..Vm2%.J.....!.<CR><LF>
22200010: 00800020 00800020 77a95948 00020205 ... ...HY.w....<CR><LF>
22200020: 756e696c 2e322d78 00000036 00000000 linux-2.6.......<CR><LF>
22200030: 00000000 00000000 00000000 00000000 ................<CR><LF>
22200040: e1a00000 e1a00000 e1a00000 e1a00000 ................<CR><LF>
22200050: e1a00000 e1a00000 e1a00000 e1a00000 ................<CR><LF>
22200060: ea000002 016f2818 00000000 001321c4 .....(o......!..<CR><LF>
22200070: e1a07001 e1a08002 e10f2000 e3120003 .p....... ......<CR><LF>
22200080: 1a000001 e3a00017 ef123456 e10f2000 ........V4... ..<CR><LF>
22200090: e38220c0 e121f002 00000000 00000000 . ....!.........<CR><LF>
222000a0: e28f00d0 e890307e e0500001 0a00000a ....~0....P.....<CR><LF>
222000b0: e0855000 e0866000 e08cc000 e0822000 .P...`....... ..<CR><LF>
222000c0: e0833000 e08dd000 e5961000 e0811000 .0..............<CR><LF>
222000d0: e4861004 e156000c 3afffffa e3a00000 ......V....:....<CR><LF>
222000e0: e4820004 e4820004 e4820004 e4820004 ................<CR><LF>
222000f0: e1520003 3afffff9 eb000028 e1a0100d ..R....
.......<CR><LF>
U-Boot>
05.09.2009 17:10:56.07 [TX] - cp.b 22200000 D0042000 132204<CR><LF>
05.09.2009 17:10:56.07 [RX] - cp.b 22200000 D0042000 132204<CR><LF>
Copy to DataFlash... done<CR><LF>
U-Boot> <CR><LF>
Copy to DataFlash... done<CR><LF>
U-Boot>
05.09.2009 17:11:54.23 [TX] - md 22200000<CR><LF>
05.09.2009 17:11:54.23 [RX] - md 22200000<CR><LF>
22200000: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
22200010: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
22200020: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
22200030: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
22200040: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
22200050: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
22200060: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
22200070: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
22200080: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
22200090: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
222000a0: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
222000b0: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
222000c0: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
222000d0: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
222000e0: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
222000f0: ffffffff ffffffff ffffffff ffffffff ................<CR><LF>
U-Boot>