From owner-freebsd-current Fri Jul 9 22: 0:33 1999 Delivered-To: freebsd-current@freebsd.org Received: from bilby.prth.tensor.pgs.com (bilby.prth.tensor.pgs.com [157.147.232.237]) by hub.freebsd.org (Postfix) with ESMTP id 7555F151C4; Fri, 9 Jul 1999 22:00:25 -0700 (PDT) (envelope-from shocking@ariadne.prth.tensor.pgs.com) Received: from bandicoot.prth.tensor.pgs.com (bandicoot.prth.tensor.pgs.com [157.147.224.1]) by bilby.prth.tensor.pgs.com (8.9.3/8.8.8) with ESMTP id MAA16685; Sat, 10 Jul 1999 12:59:10 +0800 (WST) Received: from ariadne.tensor.pgs.com (ariadne [157.147.227.36]) by bandicoot.prth.tensor.pgs.com (8.9.3/8.8.8) with SMTP id NAA07048; Sat, 10 Jul 1999 13:00:19 +0800 (WST) Received: from ariadne by ariadne.tensor.pgs.com (SMI-8.6/SMI-SVR4) id NAA05937; Sat, 10 Jul 1999 13:00:18 +0800 Message-Id: <199907100500.NAA05937@ariadne.tensor.pgs.com> X-Mailer: exmh version 2.0.2 2/24/98 To: "Brian F. Feldman" Cc: Stephen Hocking-Senior Programmer PGS Tensor Perth , current@freebsd.org Subject: Re: MTRR stuff In-reply-to: Your message of "Fri, 09 Jul 1999 13:19:15 -0400." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sat, 10 Jul 1999 13:00:18 +0800 From: Stephen Hocking-Senior Programmer PGS Tensor Perth Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > What exactly are the ranges? You haven't given me enough info yet. I wrote the > K6-* MTRR driver, so I'd like to help. > OK, the Linux 3dfx driver attempts to set up a write combining range starting at the card's base address and 0x400000 bytes long. After doing this it then sets up a range marked as uncacheable starting at the card's base address of length 0x1000. Stephen -- The views expressed above are not those of PGS Tensor. "We've heard that a million monkeys at a million keyboards could produce the Complete Works of Shakespeare; now, thanks to the Internet, we know this is not true." Robert Wilensky, University of California To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message