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Re: DECstation & COFF

Subject: Re: DECstation & COFF
From: (Paul Antoine)
Date: Tue, 6 Aug 1996 17:36:04 +1000 (EST)
In-reply-to: <> from "Ralf Baechle" at Aug 5, 96 12:37:16 pm
Organization: Softway Pty Ltd
Hi folks!

Ralf wrote:

> Is there a reason why you don't use a multistage bootstrap loader that
> allows you to use a small COFF bootloader which then loads the real
> kernel image in whatever format you wish to use?

Ummm... I just spent a microsecond thinking about this, and it seems
we could write a bootloader for the DECstation that makes calls to the 
boot proms to load a kernel from either disk or TCP/IP in ELF format.  

It requires more thought... and probably wouldn't work for the 3100/2100 
series as it doesn't have convenient ROM callback routines so we'd have to 
re-write the bootp code.

On another note, I have just about convinced Sydney University to donate
some old MIPS workstations to support our porting efforts.  I will have
at least one R4K machine, and maybe a 3230.  More work to do... and
big-endian as well!

Paul M. Antoine,                                        Net:
Softway Pty Ltd                                         WWW:
PO Box 305, Strawberry Hills, NSW 2012, Australia       Tel: +61 2 9698 2322
Level 2, 79 Myrtle St, Chippendale, NSW 2008, Australia Fax: +61 2 9699 9174

"It is the lack of acceptance of diversity which threatens to 
 destroy society, NOT the free expression of it." - Me.

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