From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1NIXP6-000223-LA for mharc-grub-devel@gnu.org; Wed, 09 Dec 2009 20:01:12 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NIXP4-00021P-Cc for grub-devel@gnu.org; Wed, 09 Dec 2009 20:01:10 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NIXP0-0001yk-Su for grub-devel@gnu.org; Wed, 09 Dec 2009 20:01:10 -0500 Received: from [199.232.76.173] (port=35640 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NIXP0-0001yh-Qt for grub-devel@gnu.org; Wed, 09 Dec 2009 20:01:06 -0500 Received: from xvm-190-8.ghst.net ([217.70.190.8]:34648 helo=aybabtu.com) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NIXP0-0003nx-7o for grub-devel@gnu.org; Wed, 09 Dec 2009 20:01:06 -0500 Received: from [192.168.10.10] (helo=thorin) by aybabtu.com with esmtp (Exim 4.69) (envelope-from ) id 1NIXOy-0003lo-LR for grub-devel@gnu.org; Thu, 10 Dec 2009 02:01:04 +0100 Received: from rmh by thorin with local (Exim 4.69) (envelope-from ) id 1NIXOx-000440-Vj for grub-devel@gnu.org; Thu, 10 Dec 2009 02:01:03 +0100 Date: Thu, 10 Dec 2009 02:01:03 +0100 From: Robert Millan To: The development of GNU GRUB Message-ID: <20091210010103.GC15546@thorin> References: <20091207150831.GA8047@thorin> <4B201BC7.2050703@gmail.com> <20091209220351.GJ7093@thorin> <4B202212.2090201@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4B202212.2090201@gmail.com> Organization: free as in freedom X-Message-Flag: Worried about Outlook viruses? Switch to Thunderbird! www.mozilla.com/thunderbird X-Debbugs-No-Ack: true User-Agent: Mutt/1.5.18 (2008-05-17) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Subject: Re: my plan for Multiboot 2 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Dec 2009 01:01:10 -0000 On Wed, Dec 09, 2009 at 11:17:54PM +0100, Vladimir 'φ-coder/phcoder' Serbinenko wrote: > >> I think cpu-independency should come after possible incompatible changes > >> since if we bring bad but compatible decision to non-x86 then it will be > >> difficult to eradicate. > >> > > > > I don't understand very well; could you give an example of problematic > > situation? > > > > > > The most obvious are feature bits: we have statically allocated 32 bits, > 16 optional, 16 required features. On platforms where OS needs a lot of > hardware info it may be too few. > Another problem is pointer-rich mbi which needs complicated processing > before it can be relocated. Since often it has to be done before > launching C code it makes startup assembly unnecessarily complex It's not essential that we add non-x86 support first. I only suggested it because then non-x86 platforms wouldn't have to wait for the whole drafting process, and I wouldn't want to discuss spec decisions with the pressure of having it ready ASAP in order to support new platforms. -- Robert Millan The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and how) you may access your data; but nobody's threatening your freedom: we still allow you to remove your data and not access it at all."