From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=35547 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Pxo5Y-0003bx-LU for qemu-devel@nongnu.org; Thu, 10 Mar 2011 17:12:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Pxo5R-00051P-05 for qemu-devel@nongnu.org; Thu, 10 Mar 2011 17:12:02 -0500 Received: from tx2ehsobe004.messaging.microsoft.com ([65.55.88.14]:57032 helo=TX2EHSOBE007.bigfish.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Pxo5Q-000519-QX for qemu-devel@nongnu.org; Thu, 10 Mar 2011 17:12:00 -0500 Date: Thu, 10 Mar 2011 16:11:54 -0600 From: Scott Wood Subject: Re: [Qemu-devel] Re: RFC: emulation of system flash Message-ID: <20110310161154.62bd348b@schlenkerla> In-Reply-To: <4D7946BA.2040704@gmx.net> References: <20110310094726.GB14805@redhat.com> <4D78B5BB.5020408@siemens.com> <20110310114801.GC14805@redhat.com> <4D78BEB6.6070208@siemens.com> <4D7946BA.2040704@gmx.net> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Carl-Daniel Hailfinger Cc: Gleb Natapov , Jan Kiszka , qemu-devel , Michal Suchanek , Kevin O'Connor , Avi Kivity , Stefan Hajnoczi , Jordan Justen On Thu, 10 Mar 2011 22:46:34 +0100 Carl-Daniel Hailfinger wrote: > Auf 10.03.2011 13:06, Jan Kiszka schrieb: > > I'm thinking beyond this use case, beyond firmware flashes, beyond x86. > > > > If you're thinking beyond x86, most flash is probably using SPI nowadays > because the reduced PCB footprint can save lots of money. And for SPI > you only need OOB access for write and the memory region itself is readonly. CFI still seems pretty dominant, at least in evaluation boards, which seem more likely to be a qemu target than custom hardware. -Scott