以下是超级终端打印的内容：
OK
U-Boot 1.1.6 (Apr 6 2011 - 14:17:30) for FriendlyARM MINI6410
CPU: S3C6410@532MHz
Fclk = 532MHz, Hclk = 133MHz, Pclk = 66MHz, Serial = CLKUART (SYNC Mode
)
Board: MINI6410
DRAM: 256 MB
Flash: 0 kB
NAND: 2048 MB
In: serial
Out: serial
Err: serial
MAC: 08:90:90:90:90:90
undefined instruction
pc : [<c7ffffe4>] lr : [<c7e204c4>]
sp : c7ffff4c ip : 00000000 fp : 00000000
r10: 606a0000 r9 : c7e5ffbd r8 : a77777a6
r7 : 7f008000 r6 : 00000006 r5 : c7e346f4 r
r3 : 00000000 r2 : 00000008 r1 : 00000000 r0 : 00000001
Flags: nZcv IRQs off FIQs off Mode SVC_32
Resetting CPU ...
OK
U-Boot 1.1.6 (Apr 6 2011 - 14:17:30) for FriendlyARM MINI6410
CPU: S3C6410@532MHz
Fclk = 532MHz, Hclk = 133MHz, Pclk = 66MHz, Serial = CLKUART (SYNC Mode
)
Board: MINI6410
DRAM: 256 MB
Flash: 0 kB
NAND: 2048 MB
In: serial
Out: serial
Err: serial
MAC: 08:90:90:90:90:90
undefined instruction
pc : [<c7ffffe4>] lr : [<c7e204c4>]
sp : c7ffff4c ip : 00000000 fp : 00000000
r10: 606a0000 r9 : c7e5ffbd r8 : a77777a6
r7 : 7f008000 r6 : 00000006 r5 : c7e346f4 r4 : c7e346f6
r3 : 00000000 r2 : 00000008 r1 : 00000000 r0 : 00000001
Flags: nZcv IRQs off FIQs off Mode SVC_32
Resetting CPU ...
.
OK
U-Boot 1.1.6 (Apr 6 2011 - 14:17:30) for FriendlyARM MINI6410
CPU: S3C6410@532MHz
Fclk = 532MHz, Hclk = 133MHz, Pclk = 66MHz, Serial = CLKUART (SYNC Mode
)
Board: MINI6410
DRAM: 256 MB
Flash: 0 kB
NAND: 2048
In: serial
Out: serial
Err: serial
MAC: 08:90:90:90:90:90
undefined instruction
pc : [<c7ffffe4>] lr : [<c7e204c4>]
sp : c7ffff4c ip : 00000000 fp : 00000000
r10: 606a0000 r9 : c7e5ffbd r8 : a77777a6
r7 : 7f008000 r6 : 00000006 r5 : c7e346f4 r4 : c7e346f6
r3 : 00000000 r2 : 00000008 r1 : 00000000 r0 : 00000001
Flags: nZcv IRQs off FIQs off Mode SVC_32
Resetting CPU ...
OK
反复循环的打印，请问怎么回事？
