Date: Thu, 7 Dec 1995 13:44:56 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: Gert van Antwerpen <antwerp AT tpd DOT tno DOT nl>
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: Physical memory access?


On Tue, 5 Dec 1995, Gert van Antwerpen wrote:

> I tried finding out how to map PHISICAL memory (at a known address)
> into my DJGPP2.0 application. What do I need to make a normal pointer
> pointing to the right location. I looked into libc.inf and DPMI specs,
> but there is everything about absolute, linear and virtual addresses.
> I don't see the light here. Does anyone have a working example?

Did you read the relevant sections of the DJGPP FAQ list?  It's available 
as faq102.zip from the same place you get DJGPP, and section 18.9 
discusses this issue.