From owner-cvs-all Fri Aug 2 18:25:20 2002 Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2341337B400; Fri, 2 Aug 2002 18:25:16 -0700 (PDT) Received: from root.com (nexus.root.com [209.102.106.178]) by mx1.FreeBSD.org (Postfix) with ESMTP id 44FF743E42; Fri, 2 Aug 2002 18:25:15 -0700 (PDT) (envelope-from dg@root.com) Received: (from dg@localhost) by root.com (8.11.2/8.11.2) id g731Hqp95030; Fri, 2 Aug 2002 18:17:52 -0700 (PDT) (envelope-from dg) Date: Fri, 2 Aug 2002 18:17:52 -0700 From: David Greenman-Lawrence To: Peter Wemm Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/i386 pmap.c Message-ID: <20020802181752.C54567@nexus.root.com> References: <200208030102.g7312bD2045313@freefall.freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200208030102.g7312bD2045313@freefall.freebsd.org>; from peter@FreeBSD.org on Fri, Aug 02, 2002 at 06:02:37PM -0700 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG >peter 2002/08/02 18:02:37 PDT > > Modified files: > sys/i386/i386 pmap.c > Log: > Take advantage of the fact that there is a small 1MB direct mapped region > on x86 in between KERNBASE and the kernel load address. pmap_mapdev() > can return pointers to this for devices operating in the isa "hole". Actually the mapping of the low 1MB of physical address space was a Jolitz abortion which I had hoped to someday remove. -DG D.G.Lawrence Download Technologies, Inc. - http://www.downloadtech.com - (866) 399 8500 TeraSolutions, Inc. - http://www.terasolutions.com - (503) 288 9544 The FreeBSD Project - http://www.freebsd.org Pave the road of life with opportunities. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message