I'm not sure if you're posting this with awareness, but for the public benefit I'll say that this had been done, ages ago indeed. https://en.wikipedia.org/wiki

I'm not sure if you're posting this with awareness, but for the public benefit I'll say that this had been done, ages ago indeed. https://en.wikipedia.org/wiki/Open_Firmware https://en.wikipedia.org/wiki/Open_Firmware I've had the pleasure to interact with it while trying to get a SPARC Ultra 60 workstation to work. The driver hooks missing from most modern hardware meant that not all graphics cards could be used with full support - currently BIOS drivers provided on some PCI hardware (RAID, network adapters) are only for the x86 architecture. I forgot what they are called though...