From owner-freebsd-arm@FreeBSD.ORG Thu Mar 31 15:02:53 2011 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 6FC0C1065675 for ; Thu, 31 Mar 2011 15:02:53 +0000 (UTC) (envelope-from damjan.marion@gmail.com) Received: from mail-ww0-f50.google.com (mail-ww0-f50.google.com [74.125.82.50]) by mx1.freebsd.org (Postfix) with ESMTP id 000CB8FC15 for ; Thu, 31 Mar 2011 15:02:52 +0000 (UTC) Received: by wwc33 with SMTP id 33so2812339wwc.31 for ; Thu, 31 Mar 2011 08:02:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:subject:mime-version:content-type:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to:x-mailer; bh=KJhIB/KFX2vf38CxYC54l8WEHQs386VnOY3/9MzzSD0=; b=WKH+Vvj6EZw9kECckAJUCi72QNWEhQMf/L/juCKYazc2aAn9tho78EiRSd6wY9nUyg 2bmjR39udttlRD7dBKsNtGfBUA96ylzPrkqITlOUGCbjFcBrMuuqfm5i0bEzWwbeusT3 cqdCcreayS5YPSq8SwOmwecANDSGpGcBpiRfo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:x-mailer; b=Ul02250LuEmNwjSlGNJS5OhYwjO6L86g7qTdvxUrjPqHBqGrkq0axz7sMUyoGyHh3A gm7J47WAeNRsQz7NfwcxzPrx6pL7XiQysBCjvUbh8006XP1Gf9VhQEX/cE/VC7ROAdgN OB6jp49S5+ZJSAAr8aVuy5tlj1uR9v1fnFS2s= Received: by 10.216.168.82 with SMTP id j60mr2181284wel.47.1301583771729; Thu, 31 Mar 2011 08:02:51 -0700 (PDT) Received: from [192.168.123.4] (cpe-109-60-66-194.zg3.cable.xnet.hr [109.60.66.194]) by mx.google.com with ESMTPS id z13sm704984wbd.12.2011.03.31.08.02.49 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 31 Mar 2011 08:02:50 -0700 (PDT) Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: Damjan Marion In-Reply-To: <4D947EF5.90108@gmail.com> Date: Thu, 31 Mar 2011 17:02:47 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: <9BD97855-B47E-4CF0-8DC5-29F1F4A8EA27@gmail.com> References: <20110329150903.GA4069@ci0.org> <7519F558-CEA3-41A9-8AA6-5A3234C4F1A8@gmail.com> <1301451934.2217.19.camel@nsl> <4D92EE2D.8000107@gmail.com> <4D947EF5.90108@gmail.com> To: Mark Tinguely X-Mailer: Apple Mail (2.1084) Cc: freebsd-arm@freebsd.org Subject: Re: Beagleboard stuff 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: Thu, 31 Mar 2011 15:02:53 -0000 Hi Mark, On Mar 31, 2011, at 3:17 PM, Mark Tinguely wrote: > I have been thinking of the ARMv7 / SMP infrastructure. >=20 > http://www.tinguelys.info/mark/freebsd/v7Roadmap.txt >=20 > Disclaimer: recently, I am less sure that all ARMv6 cores can do TEX = remap. >=20 > To really take advantage of the new ARM features, we need a newer = compiler. I have an old hacked up early gcc 4.5 snapshot, but it does = not compile itself. clang does not cross compile and I have not tried to = compile it under ARM. >=20 > Does the OMAP4 implement the MP extensions? They would simply the SMP = coherency/TLB operations by not having to perform an IPI. OMAP 4 uses standard Cortex-A9 core. Can you take a look into "ARM DDI = 0407" document? It describer MPCore functionality on Cortex-A9 CPUs so = it will probably answer your question. Damjan=20=