From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=37919 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PwsG6-0002DH-Gn for qemu-devel@nongnu.org; Tue, 08 Mar 2011 03:27:12 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PwsG4-0004va-Ui for qemu-devel@nongnu.org; Tue, 08 Mar 2011 03:27:09 -0500 Received: from mx1.redhat.com ([209.132.183.28]:7708) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PwsG4-0004vS-J0 for qemu-devel@nongnu.org; Tue, 08 Mar 2011 03:27:08 -0500 Date: Tue, 8 Mar 2011 10:26:57 +0200 From: Gleb Natapov Subject: Re: [Qemu-devel] OVMF Google Summer of Code ideas Message-ID: <20110308082657.GB2504@redhat.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi Cc: Kevin O'Connor , Jordan Justen , qemu-devel , Michal Suchanek , Avi Kivity On Tue, Mar 08, 2011 at 07:18:09AM +0000, Stefan Hajnoczi wrote: > > Regarding the non-volatile variables issue, I have been trying to > > develop a proposal for addressing this with a change to QEMU's > > hardware support of bios.bin. =9ABut, I don't have the suggestion (or > > implementation) ready at this time. >=20 > Sounds like something to keep discussing with the QEMU and SeaBIOS > communities. Gleb Natapov and Kevin O'Connor have done a lot of the > recent BIOS and firmware interface work. I think persistent CMOS has > come up several times and might be similar to non-volatile UEFI > storage. >=20 What kind of information OVMF stores on a persistent storage? CMOS memory is less them 512 byte IIRC and this may not be enough. What OVMF uses on real HW for non-volatile storage? -- Gleb.