From owner-freebsd-hackers@FreeBSD.ORG Sat Dec 29 19:22:33 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 002A816A420; Sat, 29 Dec 2007 19:22:32 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (bsdimp.com [199.45.160.85]) by mx1.freebsd.org (Postfix) with ESMTP id A0C6C13C4D5; Sat, 29 Dec 2007 19:22:32 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from localhost (localhost [127.0.0.1]) by harmony.bsdimp.com (8.14.1/8.14.1) with ESMTP id lBTJHJNs095639; Sat, 29 Dec 2007 12:17:19 -0700 (MST) (envelope-from imp@bsdimp.com) Date: Sat, 29 Dec 2007 12:22:21 -0700 (MST) Message-Id: <20071229.122221.-432830441.imp@bsdimp.com> To: ivoras@freebsd.org From: "M. Warner Losh" In-Reply-To: References: X-Mailer: Mew version 5.2 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 19:22:33 -0000 In message: Ivan Voras writes: : 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). Sparc64, powerpc, arm, and (thanks to Juniper and others) mips. Warner