Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755378Ab0L3U6b (ORCPT ); Thu, 30 Dec 2010 15:58:31 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:58821 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755329Ab0L3U63 convert rfc822-to-8bit (ORCPT ); Thu, 30 Dec 2010 15:58:29 -0500 MIME-Version: 1.0 In-Reply-To: References: <1290706801-7323-1-git-send-email-bigeasy@linutronix.de> <1290706801-7323-3-git-send-email-bigeasy@linutronix.de> <1290807736.32570.143.camel@pasglop> <20101128134907.GA30784@www.tglx.de> <20101230082654.GB11721@angua.secretlab.ca> From: Grant Likely Date: Thu, 30 Dec 2010 13:58:09 -0700 X-Google-Sender-Auth: 2KLT6nnmmhkexGAGWYlY8cTu1mM Message-ID: Subject: Re: [PATCH 02/11] x86: Add device tree support To: Rob Landley Cc: Sebastian Andrzej Siewior , devicetree-discuss@lists.ozlabs.org, x86@kernel.org, linux-kernel@vger.kernel.org, sodaville@linutronix.de Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1210 Lines: 27 On Thu, Dec 30, 2010 at 1:45 AM, Rob Landley wrote: > On Thu, Dec 30, 2010 at 2:26 AM, Grant Likely wrote: >> What is the boot sequence for the embedded x86 platforms? ?Is there >> still a bootloader? > > There's no one embedded setup on any platform, but one of the few > constants of embedded development is trying to eliminate unnecessary > requirements. > > Just on standard-ish PC hardware I've seen people try to stick Linux in the > BIOS flash (generally not enough room), I've seen people try to stick > it as the first stage PXE payload, there's the fun and games with > kexec of emergency kernels for crash dumps... > > If the capability to skip an unnecessary bootloader was available, people > would use it. Right, but in all of those cases a boot wrapper provides the same functionality with better flexability, such as being able to provided the dtb image(s) at install time instead of compile time. g. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/