Re: New Solaris 7 features

Jakub Jelinek (jj@sunsite.ms.mff.cuni.cz)
Tue, 10 Nov 1998 15:39:24 +0100 (MET)

>
> Alan Cox wrote:
> >
> > > - Arithmetic computations get to use 64-bit registers and operations
> >
> > Except on the half of the ultrasparcs, where 64bit stuff is
> > mostly disabled because of CPU bugs ;) (See Bugtraq)
> >
>
> Maybe it's beyond the scope of this mailing list, but:
>
> How can I check whether an Ultra workstation running SunOS 5.7
> uses 64bit features instead of workarounds based on the old
> 32bit functionality? I would like to get an algorithm to
> identify these broken CPUs.

Its easy. If you have UltraSPARC I, you loose with Solaris (Linux will have
a workaround), if you have II or IIi, you can run 64bit apps just fine.

Cheers,
Jakub
___________________________________________________________________
Jakub Jelinek | jj@sunsite.mff.cuni.cz | http://sunsite.mff.cuni.cz
Administrator of SunSITE Czech Republic, MFF, Charles University
___________________________________________________________________
Ultralinux - first 64bit OS to take full power of the UltraSparc
Linux version 2.1.127 on a sparc64 machine (498.80 BogoMips).
___________________________________________________________________

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