From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 8 Jul 2001 13:33:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 8 Jul 2001 13:33:03 -0400 Received: from [194.213.32.142] ([194.213.32.142]:18948 "EHLO bug.ucw.cz") by vger.kernel.org with ESMTP id ; Sun, 8 Jul 2001 13:32:50 -0400 Date: Sat, 30 Jun 2001 14:50:37 +0000 From: Pavel Machek To: Alan Cox Cc: root@chaos.analogic.com, Schilling Richard , "'linux-kernel@vger.kernel.org'" Subject: Re: For comment: draft BIOS use document for the kernel Message-ID: <20010630145036.D255@toy.ucw.cz> In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: ; from alan@lxorguk.ukuu.org.uk on Fri, Jun 22, 2001 at 10:42:55PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > Then how does 1.44 megabytes of data from a floppy disk (that won't > > fit below 1 megabyte), that is accessed in real-mode, ever get to > > above 1 megabyte where it can be decompressed? > > The limit is about 508K of compressed image with the floppy boot. Wrong. 0xeffff is limit for floppy boot. Kernel errorneously thinks it is 0xfffff, and loops if it is 0xf????. We use int15 to copy it. Take a look, there are ugly hacks around that. -- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.