vivado:2016.4
linux:ubuntu16.4
zynq:xc7z020
Download file name
2016.4-zed-release.tar.xz
Device-tree-xlnx-xilinx-v2016.4.zip
Linux-xlnx-xilinx-v2016.4.zip
U-boot-xlnx-xilinx-v2016.4.zip
Arm_ramdisk.image.gz
The default RAMDisk boot is not required to enter the user name password directly, you want to add password to start the following steps:
1. Refer to the blog post in the link to see if the/bin folder has login this soft link, the above arm_ramdisk.image.gz decompression is to have this soft connection.
2. After the system is running, change the password, get the file to save the password: passwd prompt to enter the password after the modification, the/etc/passwd file will be copied out for backup.
3. After re-solving the filesystem and mount, add/bin/login to the/etc/init.d/rcs file and copy the passwd file from the previous step to the Mount directory
4. Follow the steps in the previous blog post to re-compress the root file system.
5. After burning the root file system, you can see the login interface needs to enter a password.
Reference Post connection: 44206033
ZYNQ Linux Add root password