Subject: Re: 2 quick questions
To: Mike Long <mikel@shore.net>
From: Joel Reicher <void@yoyo.cc.monash.edu.au>
List: port-i386
Date: 06/08/1997 10:28:16
On Sat, 7 Jun 1997, Mike Long wrote:
> >Date: Sat, 7 Jun 1997 00:51:52 +1000 (EST)
> >From: Joel Reicher <void@yoyo.cc.monash.edu.au>
> >
> >Firstly - Not that it matters, but why does the npx driver seem to be the
> >only one that doesn't print out its IRQ on initialisation?
>
> Probably because it doesn't use one, and sets its irq to IRQUNK during
> autoconfig. On my system I get:
>
> npx0 at isa0 port 0xf0-0xff: using exception 16
>
I must admit I was expecting it to be something like this. :) Why is the
GENERIC kernel config line this then:
npx0 at isa? port 0xf0 irq 13 # math coprocessor
Is it just in case the coprocessor is a weitek, or some other chip
external to the CPU?
- Joel