Subject: Re: MicroVAX I: in need of modern OS.
To: Anders Magnusson <>
From: Matt Thomas <>
List: port-vax
Date: 02/05/1999 14:51:45
At 03:17 AM 2/5/99 , Anders Magnusson wrote:
>> Based on the circuit board markings, I'm fairly positive that I've got one
>> of the G_float systems.  The problem being that GCC generates D_float
>> opcodes and operands for the double and long double C types.  This opens
>> up a nasty set of problems for any applications which rely on double or
>> greater precision floating point operations.  Hopefully the kernel doesn't
>> rely on any FP ops.  I'm sure we can still get NetBSD up and running on
>> this. 
>The kernel does not rely on any floating-point, so that's no problem.
>Does it use MTPR for console in/out? If it does, it will be simple to
>get the kernel to say at least "hello". 

Yes it uses MTPR.

>Is there some sort of VMB in prom? How does the machine boot?

It does have VMB.

>Part 2 of this is to make the uba routines to stop careing about map
>registers, but that will also be rather simple I suppose.

You hope...
Matt Thomas               Internet:
3am Software Foundry      WWW URL:
Sunnyvale, CA             Disclaimer: I avow all knowledge of this message