From owner-freebsd-questions@FreeBSD.ORG Tue Jan 12 21:48:21 2010 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4971D106566B for ; Tue, 12 Jan 2010 21:48:21 +0000 (UTC) (envelope-from lazlar@lazlarlyricon.com) Received: from mailgw19.surf-town.net (mail7.surf-town.net [212.97.132.47]) by mx1.freebsd.org (Postfix) with ESMTP id 029E18FC0A for ; Tue, 12 Jan 2010 21:48:20 +0000 (UTC) Received: by mailgw19.surf-town.net (Postfix, from userid 65534) id C4F4A111981; Tue, 12 Jan 2010 22:16:55 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by mailgw19.surf-town.net (Postfix) with ESMTP id 95379111981; Tue, 12 Jan 2010 22:16:55 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mailgw19.surf-town.net X-Spam-Score: 0.1 X-Spam-Level: X-Spam-Status: No, score=0.1 tagged_above=-999 required=7 tests=[RDNS_DYNAMIC=0.1] Received: from mailgw19.surf-town.net ([127.0.0.1]) by localhost (mailgw19.surf-town.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 3pm3IZ9RXE86; Tue, 12 Jan 2010 22:16:50 +0100 (CET) Received: from lazlar.kicks-ass.net (c-cf83e355.09-42-6e6b7010.cust.bredbandsbolaget.se [85.227.131.207]) by mailgw19.surf-town.net (Postfix) with ESMTP id DEF29111872; Tue, 12 Jan 2010 22:16:49 +0100 (CET) Message-ID: <4B4CE6C1.307@lazlarlyricon.com> Date: Tue, 12 Jan 2010 22:16:49 +0100 From: Rolf G Nielsen User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.5) Gecko/20091227 Thunderbird/3.0 MIME-Version: 1.0 To: FreeBSD-Questions@freebsd.org References: <20100112210427.GB18673@Grumpy.DynDNS.org> In-Reply-To: <20100112210427.GB18673@Grumpy.DynDNS.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: David Kelly , Rob Farmer , questions@freebsd.org Subject: Re: Endianness X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2010 21:48:21 -0000 On 2010-01-12 22:04, David Kelly wrote: > On Tue, Jan 12, 2010 at 12:51:00PM -0800, Rob Farmer wrote: >> I'm trying to create a port of an application which only works on >> little endian systems and I'm trying to figure out how to set >> ONLY_FOR_ARCHS. Wikipedia says PowerPC, Sparc, and IA64 are bi-endian >> and the OS chooses the mode. I'm not familiar with these platforms - >> I'm sure it has been answered somewhere, but I can't find it - which >> FreeBSD archs are little/big endian? Thanks. > > i386 is little endian. Would expect ia64 to be the same. > ia64 (Itanium) hardware has selectable endianess. I've never worked with Itanium in any OS, so I can't say whether FreeBSD supports selecting or is fixed at either little- or bigendian.