Subject: Re: osiop and the 53c700
To: Matt Fredette <fredette@theory.lcs.mit.edu>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: tech-kern
Date: 07/16/2002 17:34:05
On Wed, Jul 10, 2002 at 01:23:05PM -0400, Matt Fredette wrote:
> 
> 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 
> thought it made the most sense to expand osiop to support the 53c700.
> 
> Most notably, the scripts for the 53c700 (dev/microcode/siop/oosiop.ss) 
> and the 53c710 (dev/microcode/siop/osiop.ss) correspond line-for-line.  
> The modified osiop driver sees both scripts in the same way, finding the
> same subroutines at the same addresses.

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.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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