> > > 19.4.22 > > > APICID > > > This register uniquely identifies an APIC in the system. This > > > register is not used by > > > OS'es anymore and is still implemented in hardware because of FUD. > > > > > > (Intel® 5520 chipset and Intel® 5500 chipset datasheet pub 321328) > > > > Did intel claim that the OSes should be using ACPI? What do they use > > instead? > > > > ron > > p.s. I appreciate the humor but it does lead to a serious question. > > afik, acpi has nothing to do with this problem. i believe this particular > tech writer intends to claim that nobody uses physical addressing anymore. > but i believe bios still needs to use physical addressing before logical > addressing > is established. so i think the writer may be speaking a misleading half > of the whole story.
i think i was unclear. by physical vs. logical addressing i mean of course of the various system apics, not of memory. in any event, the logical addressing is the responsibility of the os, so acpi doesn't provide it either. (annoying how acpi and apic obvious anagrams.) - erik
