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Re: sparc64 support for Solaris
- To: Joe Buck <jbuck at synopsys dot com>
- Subject: Re: sparc64 support for Solaris
- From: Oleg Krivosheev <kriol at fnal dot gov>
- Date: Fri, 17 Oct 1997 23:10:16 -0500 (CDT)
- cc: frichard at bbn dot com, egcs at cygnus dot com
On Fri, 17 Oct 1997, Joe Buck wrote:
> > I was wondering how I can enable 64 bit support and v9 instruction
> > scheduling for an Ultra 1 Model 170 running Solaris2.5. This is
> > apparently not possible when the target is "sparc-sun-solaris2.5.1".
>
> If you turned it on, your process would bomb at the first context switch.
> Solaris 2.5.x does not save the 64-bit register state, so basically some
> registers will come back randomized (from other processes?).
hmm...
are you sure ?
Solaris2.5.1 ultra != solaris 2.5.1 32bit sparc.
> Solaris 2.6 is supposed to fix this.
no
64bit interface will be in Solaris 2.7, Q1 next year i've heard
OK