Re: SYSENTER based syscalls patch, 2.1.105, RFC

H. Peter Anvin (hpa@transmeta.com)
17 Jun 1998 15:59:00 GMT

Followup to: <Pine.HPP.3.96.980617114407.27200V-100000@gra-ux1.iram.es>
By author: Gabriel Paubert <paubert@iram.es>
In newsgroup: linux.dev.kernel
>
> > Where was SYSENTER/SYSEXIT documented, by the way? Is it in
> > Intel's PII operating system writer's guide?
>
> Not AFAIK, if you want to investigate, a good starting point is:
>
> <http://www.sandpile.org/80x86/appendix.shtml>
>
> (hint: follow the links to the AMD version called SYSCALL/SYSRET).
>
> Gabriel
>

There is a Celeron addendum to the Intel Architecture Software
Development Manual -- Volume 2: Instruction Set Reference which
documents these... you can find it as a PDF on Intel's web site. I'm
afraid I don't have the document # handy.

-hpa

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