From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Dvb8n-0007K4-7m for qemu-devel@nongnu.org; Thu, 21 Jul 2005 09:31:09 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Dvb8k-0007IJ-FB for qemu-devel@nongnu.org; Thu, 21 Jul 2005 09:31:08 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Dvb8i-00076y-HU for qemu-devel@nongnu.org; Thu, 21 Jul 2005 09:31:04 -0400 Received: from [65.74.133.11] (helo=mail.codesourcery.com) by monty-python.gnu.org with esmtp (TLS-1.0:DHE_RSA_3DES_EDE_CBC_SHA:24) (Exim 4.34) id 1Dvb7x-0001LK-CW for qemu-devel@nongnu.org; Thu, 21 Jul 2005 09:30:17 -0400 From: Paul Brook Subject: Re: [Qemu-devel] Can you commit the pcnet patch ? Date: Thu, 21 Jul 2005 14:19:50 +0100 References: <42DE282A.3080102@linbox.com> <20050721072943.GA24642@tuxedo.skovlyporten.dk> In-Reply-To: <20050721072943.GA24642@tuxedo.skovlyporten.dk> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200507211419.51421.paul@codesourcery.com> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org On Thursday 21 July 2005 08:29, Lars Munch wrote: > On Wed, Jul 20, 2005 at 12:32:10PM +0200, Ludovic Drolez wrote: > > Hi ! > > > > I've tried the latest AMD pcnet patch (made by Antony T Curtis) with qemu > > 0.7 because I was tired of the sloooww PXE booting of my QEMU. For > > exemple, to load a linux kernel + initrd over TFTP, it takes 4m30s with a > > ne2000, and 1m35s with the PCNET card. > > Does anyone know why pcnet is so much faster than ne2000? is it easier > to emulate? or is there room for improvements on the ne2000? Probably because it's a DMA capable controller. IIRC the ne2k is pio based, so has to shuffle the data through an IO port one byte at a time. Paul