[Info-vax] Current expected range for x86-64 first boot date ?

Arne Vajhøj arne at vajhoej.dk
Tue Dec 11 14:21:21 EST 2018


On 12/10/2018 10:40 AM, Stephen Hoffman wrote:
> On 2018-12-06 03:00:15 +0000, Mike Moroney said:
>> At least I am away from memory management for now. Fugly. How many 
>> levels of page tables? Variable levels? Add to it VMS-specific stuff 
>> and it is that much worse. And the instruction set/registers... it's 
>> obvious this evolved, it wasn't designed...
> 
> The results of unqualified and unmitigated upward compatibility and 
> feature accretion and the errata and jargon can be just such a joy to 
> work with, eh?

Just note that the port is from Alpha and Itanium that were not
compatible with predecessors to x86-64 that are compatible with
predecessors.

Maybe there is a lesson to be learned in that.

:-)

Arne



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