From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JcGgK-00047Y-48 for qemu-devel@nongnu.org; Thu, 20 Mar 2008 05:03:28 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JcGgI-000477-PG for qemu-devel@nongnu.org; Thu, 20 Mar 2008 05:03:27 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JcGgI-00046t-H5 for qemu-devel@nongnu.org; Thu, 20 Mar 2008 05:03:26 -0400 Received: from verein.lst.de ([213.95.11.210]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_3DES_EDE_CBC_SHA1:24) (Exim 4.60) (envelope-from ) id 1JcGgH-0007uP-UA for qemu-devel@nongnu.org; Thu, 20 Mar 2008 05:03:26 -0400 Received: from verein.lst.de (localhost [127.0.0.1]) by verein.lst.de (8.12.3/8.12.3/Debian-7.1) with ESMTP id m2K93HF3027140 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO) for ; Thu, 20 Mar 2008 10:03:18 +0100 Received: (from hch@localhost) by verein.lst.de (8.12.3/8.12.3/Debian-6.6) id m2K93Hdx027138 for qemu-devel@nongnu.org; Thu, 20 Mar 2008 10:03:17 +0100 Date: Thu, 20 Mar 2008 10:03:17 +0100 From: Christoph Hellwig Subject: Re: [Qemu-devel] Network: DEC21040 "tulip" emulation? Message-ID: <20080320090317.GA27037@lst.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Tue, Mar 18, 2008 at 08:47:19PM +0100, Adam wrote: > Hi! > > I wonder if there are any plans for emulating an DEC21040/21140 PCI-type > NIC? > > We use an old LynxOS 2.3 system at work. The machines and the old > coax-network is getting old and we still needs the system. > I've done a transfer to an disk-image and it runs perfectly in QEMU on > Linux. The only sad thing is that none of the supported nic's have any > support in LynxOS 2.3 > The cards we currently are using SMC EtherPower PCI who are DEC21040-based. > > But actually, MS VirtualPC 07' that uses DEC21140 emulation i think, it > works! But it sucks, and it runs at very high cpu-usage even on idle-times > compared to qemu. > > DEC21040 or "tulip" as it called sometimes i think, is a very popular > adaptor on various platforms, maybe it would be an good idea to implent > it..? Sure. Implementing PCI drivers for qemu is quite easy, so take a look at the public 21040 docs aswell as the existing qemu ethernet hardware emulations and start writing one :)