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From: campbell@sauron.UUCP (Mark Campbell)
Newsgroups: net.unix-wizards
Subject: Re: Need help in accessing physical address in Unix
Message-ID: <596@sauron.UUCP>
Date: Mon, 9-Dec-85 08:27:52 EST
Article-I.D.: sauron.596
Posted: Mon Dec  9 08:27:52 1985
Date-Received: Wed, 11-Dec-85 21:39:04 EST
References: <270@moncskermit.oz> <177@daab.UUCP>
Reply-To: campbell@sauron.UUCP (Mark Campbell)
Organization: NCR Corp., Advanced System Development, Columbia, SC
Lines: 16

In article <177@daab.UUCP> lasse@daab.UUCP (Lars Hammarstrand) writes:
>>
>>System V R 2.  In order to have very fast access ......
>>.......
>>
>>1) Can we access a physical address directly in UNIX without using a 
>>   device driver?
>
>Yepp, use the PHYS(2) system call (you have to be a "su" to do that).

"Phys" was a 7th edition feature...it is not supported in System V.
-- 

Mark Campbell
Phone:  (803)-791-6697
E-Mail: {decvax!mcnc, ihnp4!msdc}!ncsu!ncrcae!sauron!campbell