From owner-freebsd-current@FreeBSD.ORG Mon Apr 28 11:30:11 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 462A037B405 for ; Mon, 28 Apr 2003 11:30:11 -0700 (PDT) Received: from mail.speakeasy.net (mail14.speakeasy.net [216.254.0.214]) by mx1.FreeBSD.org (Postfix) with ESMTP id B8B5143FB1 for ; Mon, 28 Apr 2003 11:30:09 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Received: (qmail 10724 invoked from network); 28 Apr 2003 18:30:14 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender )encrypted SMTP for ; 28 Apr 2003 18:30:14 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.8/8.12.8) with ESMTP id h3SIU5Ov015660; Mon, 28 Apr 2003 14:30:05 -0400 (EDT) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.4 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <3EA9ACB2.7D8504FF@mindspring.com> Date: Mon, 28 Apr 2003 14:30:10 -0400 (EDT) From: John Baldwin To: Terry Lambert cc: Ruslan Ermilov cc: current@FreeBSD.org Subject: Re: i386/loader compiled with NOFORTH X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Apr 2003 18:30:11 -0000 On 25-Apr-2003 Terry Lambert wrote: > John Baldwin wrote: >> > Yes, figured this out by myself already. I've ended up >> > uncommenting the "hints" line in GENERIC config, everything >> > is OK now, and bzip2(1) also works, modulo the memory >> > restrictions -- only level 1 bzipping works that requires >> > ~250K of memory. >> > >> > John, is there a way to fix btx/loader/whatever so that >> > heap memory is not limited to 640K? >> >> Not really. At least, not easily. We load the kernel up above 1mb, >> but we don't know how much memory lives up above 1mb and we assume >> that there is enough for the kernel and that's it. > > You are limited to what you can access in real mode, without > Gate A20 (16M, at which point the address space wraps). The loader doesn't run in real mode. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/