Path: utzoo!attcan!uunet!snorkelwacker!tut.cis.ohio-state.edu!ucsd!hub.ucsb.edu!amadeus.ucsb.edu!grosen
From: grosen@amadeus.ucsb.edu (Mark D. Grosen)
Newsgroups: comp.windows.ms
Subject: Accessing memory mapped boards in 3.0 386 mode?
Message-ID: <5660@hub.ucsb.edu>
Date: 5 Jun 90 02:54:21 GMT
Sender: news@hub.ucsb.edu
Reply-To: grosen@amadeus.ucsb.edu (Mark D. Grosen)
Organization: University of California, Santa Barbara
Lines: 17


Well, still no sign of the 3.0 SDK.  Meanwhile, I am curious to know how
memory mapped peripherals are accessed in 3.0's 386 protected mode.
Judging from the behavior of my old programs that access a hunk of
shared memory at 0xd0000, making a far pointer in 3.0 is a no-no.  Is there
something similar to Unix's "physical I/O" functions that let you specify
an absolute address?  

Anybody with a beta 3.0 SDK care to comment?

Mark

Mark D. Grosen		ARPA: grosen@amadeus.ucsb.edu
Signal Processing Lab / Communications Research Lab
ECE Dept.
University of California
Santa Barbara, CA  93106