Firmware Repack Tool

Note that the following operations are all performed on the PC (x86-64 architecture).

Install the necessary packages: sudo apt-get install lib32stdc++6
Download the secondary packaging tool: firefly-linux-repack

Unzip the secondary packaging tool:

tar -xzf firefly-linux-repack.tgz
cd firefly-linux-repack

The directory is as follows:

firefly-linux-repack
    ├── bin
    │   ├── afptool
    │   └── rkImageMaker
    ├── pack.sh # packaging script
    ├── Readme_en.md
    ├── Readme.md
    └── unpack.sh # unpack script

Unpacking operation: Copy the official Ubuntu firmware to the firefly-linux-repack root directory, rename it to update.img, and execute the unpacking script unpack.sh. After the unpacking is complete, the partition files are in the output directory.
```
mv /path/to/ROC-RK3566-PC_Ubuntu18.04-r21156_v1.2.4a_220519.img update.img
./unpack.sh
```
Packaging operation: Keep the current directory structure and file name unchanged, connect the mobile hard disk to the PC, replace output/Image/rootfs.img with the Ubuntu rootfs exported earlier, and then execute the packaging script pack.sh .
```
cp /media/customer/1878-4615/Firefly_Ubuntu_18.04.6_rootfs.img /path/to/firefly-linux-repack/output/Image/rootfs.img
./pack.sh
```
The new full firmware is new_update.img in the current directory.

Firmware Repack Tool

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