From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1JKLOL-0001iU-DC for mharc-grub-devel@gnu.org; Wed, 30 Jan 2008 17:26:49 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JKLOJ-0001iH-3B for grub-devel@gnu.org; Wed, 30 Jan 2008 17:26:47 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JKLOH-0001hw-Hn for grub-devel@gnu.org; Wed, 30 Jan 2008 17:26:46 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JKLOH-0001hs-CU for grub-devel@gnu.org; Wed, 30 Jan 2008 17:26:45 -0500 Received: from aybabtu.com ([69.60.117.155]) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JKLOH-0004Qc-1r for grub-devel@gnu.org; Wed, 30 Jan 2008 17:26:45 -0500 Received: from [192.168.10.6] (helo=thorin) by aybabtu.com with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.63) (envelope-from ) id 1JKLOF-0004xP-DC for grub-devel@gnu.org; Wed, 30 Jan 2008 23:26:44 +0100 Received: from rmh by thorin with local (Exim 4.63) (envelope-from ) id 1JKLMg-00020W-K3 for grub-devel@gnu.org; Wed, 30 Jan 2008 23:25:06 +0100 Date: Wed, 30 Jan 2008 23:25:06 +0100 From: Robert Millan To: The development of GRUB 2 Message-ID: <20080130222506.GA7679@thorin> References: <87prvmm4i2.fsf@xs4all.nl> <87y7a7i4bx.fsf@xs4all.nl> <20080130184423.GB32727@thorin> <87prvjhy9p.fsf@xs4all.nl> <20080130220155.GA6731@thorin> <87lk67hsaa.fsf@xs4all.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <87lk67hsaa.fsf@xs4all.nl> 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/1.5.13 (2006-08-11) X-detected-kernel: by monty-python.gnu.org: Genre and OS details not recognized. Subject: Re: PCI support X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GRUB 2 List-Id: The development of GRUB 2 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jan 2008 22:26:47 -0000 On Wed, Jan 30, 2008 at 11:17:49PM +0100, Marco Gerards wrote: > >> IO addresses are Intel only, AFAIK. Almost all architectures have > >> mmapped IO. It's really arch specific. > > > > Are you sure that makes grub_inl / grub_outl arch-specific ? They can't be > > implemented as wrappers for direct memory access? > > No, AFAIK that is not possible. However, PCI gives you the mmapped IO > addresses we can use, for example for the ATA driver. Why not? What's wrong with: grub_uint32_t grub_inl (grub_uint32_t *addr) { return *addr; } -- Robert Millan I know my rights; I want my phone call! What use is a phone call… if you are unable to speak? (as seen on /.)