> It's okay to consider the firmware part of the "bare metal", IMHO. On a PC I would think so. Using UEFI is not much less bare metal as using BIOS calls, at l

> It's okay to consider the firmware part of the "bare metal", IMHO. On a PC I would think so. Using UEFI is not much less bare metal as using BIOS calls, at least. OTOH on an embedded device it would already sound so much less bare metal... I find it's a tricky question.