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Date: Mon, 18 Jun 2001 21:41:17 +0200
From: Ralf Baechle <ralf@oss.sgi.com>
To: "H . J . Lu" <hjl@lucon.org>
Cc: Brian Murphy <brian@murphy.dk>,
   "linux-mips@oss.sgi.com" <linux-mips@oss.sgi.com>
Subject: Re: Problems with mips2 compiled libc and linux 2.4.3
Message-ID: <20010618214116.A26781@bacchus.dhis.org>
References: <3B2E4458.1637A08A@murphy.dk> <20010618112253.A28744@lucon.org>
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In-Reply-To: <20010618112253.A28744@lucon.org>; from hjl@lucon.org on Mon, Jun 18, 2001 at 11:22:53AM -0700
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On Mon, Jun 18, 2001 at 11:22:53AM -0700, H . J . Lu wrote:

> > which fails if any of the high 4 bits in the flags are set. According to
> > the
> > specs these are set for the various mipsx (x != 1) flavors - this seems
> 
> > to mean
> > that we do no allow anything higher than mips1 run on linux - can this
> > be
> > true? If so, why?
> 
> There is no very good reason. I think we should add a MIPS ISA level
> field in the mips cpuinfo so that we can check what ISA the hardware
> support at the run-time.

Yes and no.  It would be nice but the available flags are not an suitable
representation of processor capabilities.

  Ralf