书上第一个实验我的超级终端显示的不太对
DRAM: 512 MiB
MMC: SDHCI: 0
Using default environment
In: serial
Out: serial
Err: serial
Net: zynq_gem
Hit any key to stop autoboot: 0
Copying Linux from SD to RAM...
Device: SDHCI
Manufacturer ID: 27
OEM: 5048
Name: SD04G
Tran Speed: 25000000
Rd Block Len: 512
SD version 1.10
High Capacity: Yes
Capacity: 3980394496
Bus Width: 1-bit
reading zImage
** Unable to read "zImage" from mmc 0:1 **
reading devicetree_ramdisk.dtb
** Unable to read "devicetree_ramdisk.dtb" from mmc 0:1 **
reading ramdisk8M.image.gz
** Unable to read "ramdisk8M.image.gz" from mmc 0:1 **
## Starting application at 0x00008000 ...