我在跟着Linux移植step by step一书做,已经把制作好的rootfs,zImage和u-boot的镜像都烧写到nand flash里了(当然之前erase了系统自带的系统),然后8 -- boot the system也成功到console了,输入ls等命令也有效果。但是不一会SecureCRT怎么感觉像断开连接一样自动跳回到选项页:
如下:
[root@EmbedSky /]#ls
bin lib opt sddisk usr
dev linuxrc proc sys var
etc lost+found root tmp web
home mnt sbin udisk
[root@EmbedSky /]#*** Warning - bad CRC or NAND, using default environment
##### EmbedSky BIOS for SKY2440/TQ2440 #####
Press Space key to Download Mode !
##### Boot for Nor Flash Main Menu #####
##### EmbedSky USB download mode #####
[1] Download u-boot or STEPLDR.nb1 or other bootloader to Nand Flash
[2] Download Eboot (eboot.nb0) to Nand Flash
[3] Download Linux Kernel (zImage.bin) to Nand Flash
[5] Download CRAMFS image to Nand Flash
[6] Download YAFFS image (root.bin) to Nand Flash
[7] Download Program (uCOS-II or TQ2440_Test) to SDRAM and Run it
[8] Boot the system
[9] Format the Nand Flash
[0] Set the boot parameters
[a] Download User Program (eg: uCOS-II or TQ2440_Test)
[b] Download LOGO Picture (.bin) to Nand Flash
[l] Set LCD Parameters
[n] Enter TFTP download mode menu
[o] Download u-boot to Nor Flash
[r] Reboot u-boot
[t] Test Linux Image (zImage)
[q] quit from menu
Enter your selection: