setup_var - Tool to read/write values from/to Setup UEFI variable.
Usage: setup_var [new_value [8|16|32]] offset: offset to read/write value new_value: new value (if not specified - just read and show current value) 8|16|32: new value size (if not specified - autodetect from new value)
For offsets, value sizes and applicable value please refer to decompiled IFR from UEFI BIOS installed on the computer using https://github.com/donovan6000/Universal-IFR-Extractor
DISCLAMER: This tool may brick your UEFI BIOS if misused! I don't responsible to any damage caused by this tool. Use it at your own risk.