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Re: FPU interrupt handler

To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Subject: Re: FPU interrupt handler
From: William Lee Irwin III <wli@holomorphy.com>
Date: Mon, 26 Nov 2001 06:48:53 -0800
Cc: linux-mips@oss.sgi.com
In-reply-to: <Pine.GSO.3.96.1011126124533.21598D-100000@delta.ds2.pg.gda.pl>; from macro@ds2.pg.gda.pl on Mon, Nov 26, 2001 at 12:57:23PM +0100
Organization: The Domain of Holomorphy
References: <20011125002352.G1048@holomorphy.com> <Pine.GSO.3.96.1011126124533.21598D-100000@delta.ds2.pg.gda.pl>
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.3.17i
On Mon, Nov 26, 2001 at 12:57:23PM +0100, Maciej W. Rozycki wrote:
>  Nope, R3k DECstations used to use the FPU emulator unconditionally. :-(
> This would have never got triggered.  An FPU interrupt-to-exception glue
> was non-existent.

Okay, that is at least some relief.

On Mon, Nov 26, 2001 at 12:57:23PM +0100, Maciej W. Rozycki wrote:
>  No need to do anything -- I happened to work on the FPU a bit recently
> and I sent a patch here on Friday that adds the glue, enables the FPU and
> rips the broken code off.  Ralf has already applied the patch. 

Excellent! I'll apply it as well.

On Mon, Nov 26, 2001 at 12:57:23PM +0100, Maciej W. Rozycki wrote:
>  I would *really* appreciate any feedback on DECstation patches I'm
> sending here -- for quite some time I have a feeling I'm the last one to
> run Linux on a DECstation... :-(

Well, I'm a more than willing tester, and perhaps I can even bring some
code to the table in my spare time at some point for the drivers my
system needs help with.


Cheers,
Bill

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