From owner-freebsd-hackers@FreeBSD.ORG Sat Dec 29 08:16:53 2007 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E457916A417 for ; Sat, 29 Dec 2007 08:16:53 +0000 (UTC) (envelope-from xcllnt@mac.com) Received: from smtpoutm.mac.com (smtpoutm.mac.com [17.148.16.70]) by mx1.freebsd.org (Postfix) with ESMTP id BC68F13C455 for ; Sat, 29 Dec 2007 08:16:53 +0000 (UTC) (envelope-from xcllnt@mac.com) Received: from mac.com (asmtp003-s [10.150.69.66]) by smtpoutm.mac.com (Xserve/smtpout007/MantshX 4.0) with ESMTP id lBT7vOfs021640; Fri, 28 Dec 2007 23:57:24 -0800 (PST) Received: from [192.168.1.100] (209-128-86-226.bayarea.net [209.128.86.226]) (authenticated bits=0) by mac.com (Xserve/asmtp003/MantshX 4.0) with ESMTP id lBT7vNlr014125 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Fri, 28 Dec 2007 23:57:23 -0800 (PST) Message-Id: <3AE88C61-4458-441C-8DDF-2B68AC63C72F@mac.com> From: Marcel Moolenaar To: Ivan Voras In-Reply-To: Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v915) Date: Fri, 28 Dec 2007 23:57:03 -0800 References: X-Mailer: Apple Mail (2.915) Cc: freebsd-hackers@freebsd.org Subject: Re: Architectures with strict alignment? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Dec 2007 08:16:54 -0000 On Dec 7, 2007, at 6:43 PM, Ivan Voras wrote: > Hi, > > Which of the architectures FreeBSD supports (if any) have strict > memory > alignment requirements? (in the sense that accessing a 32-bit integer > not aligned on a 32-bit address results in a hardware trap/exception). ia64 and sparc64 at least. -- Marcel Moolenaar xcllnt@mac.com