Google kind of does this with Android. Most of the magic sauce for a lot of hardware is in user space - https://siliconsignals.io/blog/implementing-custom-hard

Google kind of does this with Android. Most of the magic sauce for a lot of hardware is in user space - https://siliconsignals.io/blog/implementing-custom-hardware-abstraction-layer-hal-in-android-with-aidl-silicon-signals/ https://siliconsignals.io/blog/implementing-custom-hardware-... That's why you used to not touch vendor partition when flashing a custom ROM etc..