Assuming you have Batocera v38 or higher (Xenia support debuted experimentally in v35), here is the setup process.
Key lines to change:
If you have an RGH/JTAG console and want to attempt this, here is the broad strokes process: xbox 360 batocera
The only reason to choose Batocera Linux over native RetroArch on a 360 is for the of Batocera's EmulationStation theme, or for specific Linux-only emulators (like early DOSBox or ScummVM variants).
The Reality: Can You Install Batocera Directly on an Xbox 360? Assuming you have Batocera v38 or higher (Xenia
To understand why, it helps to look at how both the hardware and software are designed:
A game collection (ROMs) and corresponding console BIOS files. Step-by-Step Guide to Installing Batocera Step 1: Download and Flash Batocera To understand why, it helps to look at
(a compatibility layer) to run it. This creates a complex environment where the software must translate Xbox 360 instructions into Windows-readable commands, which are then further translated by Wine for the Linux-based Batocera OS. Performance and Hardware Demands