From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1JKLEA-00059C-1R for mharc-grub-devel@gnu.org; Wed, 30 Jan 2008 17:16:18 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JKLE8-00057Y-1x for grub-devel@gnu.org; Wed, 30 Jan 2008 17:16:16 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JKLE6-00055w-F4 for grub-devel@gnu.org; Wed, 30 Jan 2008 17:16:15 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JKLE6-00055i-Bd for grub-devel@gnu.org; Wed, 30 Jan 2008 17:16:14 -0500 Received: from smtp-vbr12.xs4all.nl ([194.109.24.32]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1JKLE5-0002FW-UJ for grub-devel@gnu.org; Wed, 30 Jan 2008 17:16:14 -0500 Received: from localhost.localdomain (249-174.surfsnel.dsl.internl.net [145.99.174.249]) by smtp-vbr12.xs4all.nl (8.13.8/8.13.8) with ESMTP id m0UMGCLc031478 for ; Wed, 30 Jan 2008 23:16:13 +0100 (CET) (envelope-from mgerards@xs4all.nl) From: Marco Gerards To: The development of GRUB 2 References: <87prvmm4i2.fsf@xs4all.nl> <87y7a7i4bx.fsf@xs4all.nl> <20080130184423.GB32727@thorin> <87prvjhy9p.fsf@xs4all.nl> <20080130220155.GA6731@thorin> Mail-Copies-To: mgerards@xs4all.nl Date: Wed, 30 Jan 2008 23:17:49 +0100 In-Reply-To: <20080130220155.GA6731@thorin> (Robert Millan's message of "Wed, 30 Jan 2008 23:01:55 +0100") Message-ID: <87lk67hsaa.fsf@xs4all.nl> User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Virus-Scanned: by XS4ALL Virus Scanner X-detected-kernel: by monty-python.gnu.org: FreeBSD 4.6-4.9 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 22:16:16 -0000 Robert Millan writes: > On Wed, Jan 30, 2008 at 09:08:34PM +0100, Marco Gerards wrote: >> Robert Millan writes: >> >> > On Wed, Jan 30, 2008 at 06:57:38PM +0100, Marco Gerards wrote: >> >> Marco Gerards writes: >> >> >> >> > 2009-01-28 Marco Gerards >> >> > >> >> > * bus/pci.c: New file. >> >> > >> >> > * include/grub/pci.h: Likewise. >> >> > >> >> > * include/grub/i386/pc/pci.h: Likewise. >> >> > >> >> > * commands/lspci.c: Likewise. >> >> > >> >> > * conf/i386-pc.rmk (pkglib_MODULES): Add `pci.mod' and >> >> > `lspci.mod'. >> >> > (pci_mod_SOURCES): New variable. >> >> > (pci_mod_CFLAGS): Likewise. >> >> > (pci_mod_LDFLAGS): Likewise. >> >> > (lspci_mod_SOURCES): Likewise. >> >> > (lspci_mod_CFLAGS): Likewise. >> >> > (lspci_mod_LDFLAGS): Likewise. >> >> >> >> No objections? Did everyone have a (quick) look at the interfaces? >> > >> > You put grub_pci_read() in an arch-specific file; is that function really >> > arch-specific, or only its IO addresses are? >> >> 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. -- Marco