Re: pentiums extended register set?
Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 3 Mar 1996 15:36:49 +0000 (GMT)
> Is there any means to get to the pentiums extended register set?
>
> Specifically, I understand there's a register which counts
> clock cycles since reset....
You can read that register in user mode, and if you set it up
right some of the others. There is a lot of stuff about this
undocumented register facilities on the www.x86.org pages.
Alan