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There's also the option to transition to 32-bit protected mode and then go to virtual 8086 mode from there. Or to simply emulate the entire CPU. It was probably
by bdonlan 10y ago
There's also the option to transition to 32-bit protected mode and then go to virtual 8086 mode from there. Or to simply emulate the entire CPU. It was probably just a cost-benefit trade-off in the end.
- raverbashing 10y agoYeah Wasting silicon to emulate some 30+ y.o. architecture makes no sense Intel/AMD could thing about doing a "pure" x64/x32 processor that starts in 32-bit mode mode and leaves everything else to an emulation layer (this could be present on the UEFI only for those customers that are interested in it)