Subject: RE: ROMs on board?
To: None <port-amiga@NetBSD.ORG>
From: Patryk =?iso-8859-2?Q?=A3ogiewa?= <silverdr@inet.com.pl>
List: port-amiga
Date: 07/13/1998 00:25:08
>> My question is: does NetBSD/Amiga make any use of the ROMs located on e.g.
>> GVP's boards? In other words: does it matter what ROM do I have on board or
>> does NetBSD communicate directly with the SCSI chip after booting?

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

> Not directly. The ROMs are required to Autoconfig (c) the devices into
>hte Amiga Exec-Structure. This structure is read by NetBSD. Otherwise
>you are right, they are not required or used.

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

>  Using the existing ROM would be very difficult - any code in the ROM is
>almost certainly going to be using AmigaOS Exec functions and libraries
>which aren't going to exist in the NetBSD VM environment.  Some boards may
>not even have the ROM available anymore when NetBSD starts - the board
>autoconfiguration may have removed the ROM from the board's address space.

>So the answer to the ROM version would be - it shouldn't make any
>difference.
>[The could be some problems where a different ROM version initialized a board
>differently, and NetBSD is unaware of that difference.]


I expected it to be so. Just wanted to be sure without thorough testing and
digging in the sources. Thanks a lot for the answers!
 
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