From: "Charles Sandmann" <sandmann AT clio DOT rice DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Physical (device) memory question
Date: Sun,  4 Jul 1999 15:36:01
Organization: Aspen Technology, Inc.
Message-ID: <377f7f61.sandmann@clio.rice.edu>
References: <slrn7nhvtl DOT 3d1 DOT wtanksle AT dolphin DOT openprojects DOT net>
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To: djgpp AT delorie DOT com
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> I've got to write a test program for one of our PCI cards, and it includes
> about 16M of PCI-mapped memory.  I'm thinking that
> __djgpp_map_physical_memory would work nicely to make that memory easily
> accesible to me (is this right?).

I suggest using __dpmi_physical_address_mapping - it's a direct call to the
DPMI routines.  If I remember right the routine you refer to is a wrapper
arround the dpmi routine.  Either should work if you follow the docs.