From owner-freebsd-current@FreeBSD.ORG Mon Sep 15 04:59:27 2008 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 953B61065670 for ; Mon, 15 Sep 2008 04:59:27 +0000 (UTC) (envelope-from unixmania@gmail.com) Received: from wx-out-0506.google.com (wx-out-0506.google.com [66.249.82.232]) by mx1.freebsd.org (Postfix) with ESMTP id 4CCCA8FC18 for ; Mon, 15 Sep 2008 04:59:27 +0000 (UTC) (envelope-from unixmania@gmail.com) Received: by wx-out-0506.google.com with SMTP id s17so816989wxc.7 for ; Sun, 14 Sep 2008 21:59:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=WFFdVDBKRMP+ehud61gUP7l6XqvAyDsLKPS0QRY63D4=; b=VB65m+hL/hMwaeSnAsYyoVgSC2X2kPKIqcC51WHxR94PFq2S3ol0kFl8xBF8p2t75Y 9mOzSpemsAMxDkSqjM2ID76BDewWbwfK5t42LR7OjdvJAnNzqIiVQuZueaiBFTfeqLkC AY7jDjZlb55Vv1iffRDVzgqis8/B5Z6xay2lE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=mBUa0YUvfAzzsyfsZSlFhmAXmgcJe1NG0UJj/rjvgd1nmLmlk4Vyb1YH5cGThknxV7 +YVDJfHV9gO0VkPzB+yCm7cqzLf6DemhquoohJHTDNgCJkHSxqurE9j2+uY6frreP0Uc NIQahtff/dkyjtOvKk9A6xPULZZIdBGyjBo84= Received: by 10.103.176.2 with SMTP id d2mr5084990mup.112.1221454765334; Sun, 14 Sep 2008 21:59:25 -0700 (PDT) Received: by 10.103.231.14 with HTTP; Sun, 14 Sep 2008 21:59:25 -0700 (PDT) Message-ID: Date: Mon, 15 Sep 2008 01:59:25 -0300 From: "Carlos A. M. dos Santos" To: "Xin LI" In-Reply-To: <48CD837C.9050206@delphij.net> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <48CD837C.9050206@delphij.net> Cc: FreeBSD Current , olli@freebsd.org Subject: Re: Why VESA and DPMS are available only for i386? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Sep 2008 04:59:27 -0000 On Sun, Sep 14, 2008 at 6:34 PM, Xin LI wrote: > Carlos A. M. dos Santos wrote: >> Hello, >> >> Several PRs were closed based on the argument that FreeBSD/amd64 >> cannot call to the VESA BIOS. XFree86 solved this problem by means of >> the INT10 module. I believe that it would be possible to do the same >> on the FreeBSD kernel. >> >> Is there any ongoing effort to enable the VESA kernel moule on >> non-i386 platform? Is there any particular difficulty for doing this, >> besides depending on VM86? >> > According to VESA's VBE 3.0 standard, there is a "Protected Mode Entry > Point" [optionally] provided by BIOS, which OS or application is > supposed to copy to a place where it is writable. The code there would > be written in 16-bit protected mode. Therefore I think it's do-able... > > http://www.vesa.org/public/VBE/vbe3.pdf > > Cheers, I'm reading the specification and digging at the code of the X server and the X VESA driver. Look promising. -- cd /usr/ports/sysutils/life make clean