# How are the GameShell OS image files generated? **URL:** \ **Category:** Firmware and Apps\ **Created:** [September 2, 2019, 2:06pm UTC](https://forum.clockworkpi.com/t/how-are-the-gameshell-os-image-files-generated/4474 "2019-09-02T14:06:54Z")\ **Posts on this page:** 1\ **Showing post:** 5
**Author:** ![Joao\_Manoel](https://avatars.discourse-cdn.com/v4/letter/j/fbc32d/32.png) [@Joao\_Manoel](https://forum.clockworkpi.com/u/Joao_Manoel)\ **Post date:** [May 29, 2020, 4:24pm UTC](https://forum.clockworkpi.com/t/how-are-the-gameshell-os-image-files-generated/4474/5 "2020-05-29T16:24:50Z")
Hi, You can see everything that I needed to do to get my minimal Debian running. It was not easy to get u-boot running, and still missing some features from the one we have installed in the official OS (HDMI, and LED support). But maybe is a good start, and someone else can help me to improve it. > [@\[OS\] RetroArch - Debian OS image based on the minimal Debian (u-boot, kernel, and Debian from scratch) \[v0.3\]](https://forum.clockworkpi.com/t/os-minimal-debian-u-boot-kernel-and-debian-from-scratch/5707): > > I created a clean Debian, and u-boot from scratch to be used in our device. The menu is Retroarch. It boots directly to it in KMS mode (without X11). Functionalities Based on Debian Bullseye for the latest MESA driver with full lima support. Clean OS with only Debian packages (except RetroArch binary) and small tweaks for hardware compatibility with gameshell. No strange symbolic links nor duplicate files. Max CPU frequency of 1.4GHz. The default governor is ondemand. Standby mode (freeze) by… > **[GitHub - wolfallein/clockworkpi-debian: A minimal Debian OS for clockworkpi...](https://github.com/wolfallein/clockworkpi-debian)** > > A minimal Debian OS for clockworkpi device based on Allwinner R16 SOC - GitHub - wolfallein/clockworkpi-debian: A minimal Debian OS for clockworkpi device based on Allwinner R16 SOC --- _[View the full topic](https://forum.clockworkpi.com/t/how-are-the-gameshell-os-image-files-generated/4474)._