3 ms·
I like how this is presented in a way that's easy to understand for engineers familiar with the i386 protection architecture.
by kazinator 2y ago
I like how this is presented in a way that's easy to understand for engineers familiar with the i386 protection architecture.
- BOOSTERHIDROGEN 2y agoInteresting, what it is exactly happen in i386?
- dredmorbius 2y agoProtected mode: <https://en.wikipedia.org/wiki/Protected_mode https://en.wikipedia.org/wiki/Protected_mode> Protected rings: <https://en.wikipedia.org/wiki/Protection_ring https://en.wikipedia.org/wiki/Protection_ring> The latter pre-dates the i386 (Multics offered security rings in the 1960), but the i386 was the first popular, cheap, personal computer chip, and the first in the Intel line (8008, 8086, x86) line to offer a protected mode / ring-based hardware security model.