From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1K5P2d-0007mT-Re for mharc-grub-devel@gnu.org; Sun, 08 Jun 2008 13:50:55 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1K5P2c-0007jY-1C for grub-devel@gnu.org; Sun, 08 Jun 2008 13:50:54 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1K5P2a-0007hP-Dc for grub-devel@gnu.org; Sun, 08 Jun 2008 13:50:53 -0400 Received: from [199.232.76.173] (port=41859 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1K5P2a-0007hD-9F for grub-devel@gnu.org; Sun, 08 Jun 2008 13:50:52 -0400 Received: from mta-out.inet.fi ([195.156.147.13]:49557 helo=kirsi2.rokki.sonera.fi) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1K5P2Z-0000Yt-Qf for grub-devel@gnu.org; Sun, 08 Jun 2008 13:50:52 -0400 Received: from [127.0.0.1] (88.193.32.97) by kirsi2.rokki.sonera.fi (8.5.014) id 4848DB8500173128 for grub-devel@gnu.org; Sun, 8 Jun 2008 20:50:51 +0300 Message-ID: <484C1C05.3030005@nic.fi> Date: Sun, 08 Jun 2008 20:51:01 +0300 From: =?ISO-8859-1?Q?Vesa_J=E4=E4skel=E4inen?= User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: The development of GRUB 2 References: <484C1429.4090803@nic.fi> In-Reply-To: X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-detected-kernel: by monty-python.gnu.org: Linux 2.6 (newer, 3) Subject: Re: Can we get video card information in EFI environment ? 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: Sun, 08 Jun 2008 17:50:54 -0000 Bean wrote: > I think the vbe driver need to call bios, is there a way to do it directly ? Yes, it uses BIOS to determine frame buffer address and setup video mode. > EFI have uga draw protocol that can do bitblt, but they don't have a > method to query low level information like frame buffer address and > line length easily. In EFI you should use this protocol to do drawing to screen. And you do not basicly need that low level information (in GRUB 2).