Subj : Re: X86S
To   : tenser
From : mary4
Date : Sat Apr 20 2024 00:58:39

 te> It's actually a pretty good idea if they intend to keep
 te> x86 relevant for new product development for much longer.
 te> It costs Intel an enormous amount in validation to do a
 te> new microarchitecture; much of that comes from the intrinsic
 te> complexity of keeping 16-bit support around.
 te> 
 te> It really doesn't change that much for modern operating
 te> systems; the boot sequence changes, and it's not clear to
 te> me how you set up the initial page tables for starting the
 te> BSP (they seem to defer that to some hidden core prior to
 te> x86 coming out of reset), but the updated SIPI stuff is
 te> kind of nice.
 te> 
 te> 32-bit mode remains for userspace applications, so it won't
 te> affect much software written in the last 30 years for real
 te> operating systems.
 te> 
 te> The solution for DOS etc is to run it under a full-system
 te> emulator.
 te> 
;_; this means if this rolls out then the X86 to me is dead and the original PC line dies with it....

--mary4 (Victoria Crenshaw) the 286 enthusiast

.... Help! I can't find the "ANY" key.

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