From owner-freebsd-arm@FreeBSD.ORG Wed Apr 1 10:25:53 2009 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C78241065670 for ; Wed, 1 Apr 2009 10:25:53 +0000 (UTC) (envelope-from gballet@gmail.com) Received: from mail-ew0-f171.google.com (mail-ew0-f171.google.com [209.85.219.171]) by mx1.freebsd.org (Postfix) with ESMTP id 5CCD58FC1D for ; Wed, 1 Apr 2009 10:25:53 +0000 (UTC) (envelope-from gballet@gmail.com) Received: by ewy19 with SMTP id 19so2773423ewy.43 for ; Wed, 01 Apr 2009 03:25:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=Jz6r73BGfz0voHU5cpCxxQbK8xt6nNosAvO7fMUlCjI=; b=o/nCtz2IVkXmFyUsiJaYrLCjQkh/wkE7hakRJUpx4icxNdfU4oD+u95nIx+CE5j+nj ItYOvR7EbauF5XRKzVwWUFeGUjGXXoz4NmA4FSIoVGDr7aYW3KEWr71fGvOKr1Sij5y2 /CmDCnYj5XQgptiXVQPzQCnwpgs8VKHAzotrI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=fY6+qF09VfTmYcTG1BeHfTmxwGeYsEeJK9ormTxczLVx4URwoHWRi3CfBp3zSjkhIM K9sEtQ+p0Jrj0hJ+uBLxeZpOjbvBmJq4QqKq85O+cO0b7HrqPhBsy44bf/O3p07t+Flb oG6fUW/UbAccRBhQBnW4LSDgFm1uBQj5JkDm8= MIME-Version: 1.0 Received: by 10.216.47.68 with SMTP id s46mr2498983web.46.1238581552232; Wed, 01 Apr 2009 03:25:52 -0700 (PDT) In-Reply-To: <20090401093815.GA23622@ci0.org> References: <20090331230945.GA8584@ci0.org> <200903312350.n2VNoAwK060973@casselton.net> <20090401093815.GA23622@ci0.org> Date: Wed, 1 Apr 2009 12:25:52 +0200 Message-ID: From: Guillaume Ballet To: Olivier Houchard Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Mark Tinguely , freebsd-arm@freebsd.org Subject: Re: locore.S question X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Apr 2009 10:25:54 -0000 On Wed, Apr 1, 2009 at 11:38 AM, Olivier Houchard wrote: > On Tue, Mar 31, 2009 at 06:50:10PM -0500, Mark Tinguely wrote: >> I was wondering why the kernel is loaded 16MB into the physical memory? >> > > Don't know in this case, but it often happens the bootloader is loaded at > the beginning of the ram, and so won't let you load the kernel there. > > Olivier > I have indeed u-boot and my intermediate kernel-loader that are loaded at the beginning of the RAM. This is not carved in stone: I will probably move the kernel-loader further away and overwrite u-boot. During platform bringup, though, I have put it here. Nothing to worry about, I was just wondering if there was some concealed requirement for the kernel to be below the first 16MB of RAM. Guillaume