www.delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/1999/10/26/15:02:12

From: "Johnny Chan" <jchan AT paclink DOT net>
To: <djgpp AT delorie DOT com>
Subject: RE: 4GB DPMI host
Date: Tue, 26 Oct 1999 11:38:20 -0700
Message-ID: <000501bf1fe1$476d20a0$ae3d7a86@phoenix.com>
MIME-Version: 1.0
X-Priority: 3 (Normal)
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook CWS, Build 9.0.2416 (9.0.2910.0)
Importance: Normal
In-Reply-To: <3814f1f6.sandmann@clio.rice.edu>
X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200
Reply-To: djgpp AT delorie DOT com
X-Mailing-List: djgpp AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com

>>> I am looking for a 4GB DPMI host, no virtual memory is required.


>>CWSDPMI r5's WIP supports 2Gb physical memory (and has been 
>>tested with 1Gb)
>>but access to more than 512Mb at a time is somewhat slow due to page 
>>directory faults.  Making it support more than 2Gb requires moving the
>>bitmap to > 64K in size and is a mess.
>>
>>Is this for physical memory or for scanning the address 
>>space?  I'm thinking
>>about adding a hack for 4Mb pages which solves this problem - 
>>but it's 
>>probably not going to happen until February.

Is there any other DPMI host beside CWSDPMI which can provide
4GB support?
--jC

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019