Subject: Re: osiop and the 53c700
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: Ignatios Souvatzis <ignatios@theory.cs.uni-bonn.de>
List: tech-kern
Date: 07/16/2002 17:41:43
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On Tue, Jul 16, 2002 at 05:34:05PM +0200, Manuel Bouyer wrote:
> On Wed, Jul 10, 2002 at 01:23:05PM -0400, Matt Fredette wrote:
> >=20
> > Hi. Lots of hp700 machines have a 53c700 SCSI chip in them. NetBSD's
> > osiop driver supports the 53c710, and the two chips are so similar I=20
> > thought it made the most sense to expand osiop to support the 53c700.
> >=20
> > Most notably, the scripts for the 53c700 (dev/microcode/siop/oosiop.ss)=
=20
> > and the 53c710 (dev/microcode/siop/osiop.ss) correspond line-for-line. =
=20
> > The modified osiop driver sees both scripts in the same way, finding the
> > same subroutines at the same addresses.
>=20
> Did you look at the generated code ? If I remember properly, registers
> offsets are not the same in the two chips, which means the generated
> code for the two scripts will be differents.
I think 700+710 have one set of offsets, and 720+770+8xx have another set
of offsets.
-is
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