Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760672AbZD0TN1 (ORCPT ); Mon, 27 Apr 2009 15:13:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759740AbZD0TKl (ORCPT ); Mon, 27 Apr 2009 15:10:41 -0400 Received: from vms173017pub.verizon.net ([206.46.173.17]:59522 "EHLO vms173017pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932386AbZD0TKk convert rfc822-to-8bit (ORCPT ); Mon, 27 Apr 2009 15:10:40 -0400 From: Gene Heskett Organization: Organization? Not detectable Date: Mon, 27 Apr 2009 15:10:11 -0400 User-Agent: KMail/1.11.2 (Linux/2.6.30-rc3; KDE/4.2.2; i686; ; ) MIME-version: 1.0 Subject: Fwd: To: linux-kernel@vger.kernel.org Content-Type: Text/Plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-disposition: inline Message-id: <200904271510.11162.gene.heskett@verizon.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3295 Lines: 100 ---------- Forwarded Message ---------- Subject: Date: Monday 27 April 2009 From: arnd@arndb.de To: "no To-header on input" >From arnd@arndb.de Mon Apr 27 16:28:40 2009 References: <20090427142010.587518220@arndb.de> User-Agent: quilt/0.46-1 Date: Mon, 27 Apr 2009 16:20:22 +0200 From: arnd@arndb.de To: linux-kernel@vger.kernel.org Cc: john.williams@petalogix.com, monstr@monstr.eu, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, liqin.chen@sunplusct.com, Sam Ravnborg , Harvey Harrison , Remis Lima Baima Subject: [RFC 12/17] asm-generic: add generic unaligned.h Content-Disposition: inline; filename=0009-asm-generic-add-generic- unaligned.h.patch X-Provags-ID: V01U2FsdGVkX180uRkKPtTR6NE5qs40yQi4ziqxITkI8KKYXbv ceZfZA4rNxQHTjaGg5pO05a3RFhyObTUvhsERRtOhJTrzruub3 3XgHSsqqDkZJnfLEIfR2g== This implementation can be used by any architecture as a generic way to provide the unaligned helpers. Many architectures can override this by using linux/unaligned/access_ok.h. Cc: Harvey Harrison Signed-off-by: Arnd Bergmann Signed-off-by: Remis Lima Baima --- include/asm-generic/unaligned.h | 30 30 + 0 - 0 ! 1 file changed, 30 insertions(+) create mode 100644 include/asm-generic/unaligned.h Index: linux-2.6/include/asm-generic/unaligned.h =================================================================== --- /dev/null +++ linux-2.6/include/asm-generic/unaligned.h @@ -0,0 +1,30 @@ +#ifndef __ASM_GENERIC_UNALIGNED_H +#define __ASM_GENERIC_UNALIGNED_H + +/* + * This is the most generic implementation of unaligned accesses + * and should work almost anywhere. + * + * If an architecture can handle unaligned accesses in hardware, + * it may want to use the linux/unaligned/access_ok.h implementation + * instead. + */ +#include + +#if defined(__LITTLE_ENDIAN) +# include +# include +# include +# define get_unaligned __get_unaligned_le +# define put_unaligned __put_unaligned_le +#elif defined(__BIG_ENDIAN) +# include +# include +# include +# define get_unaligned __get_unaligned_be +# define put_unaligned __put_unaligned_be +#else +# error need to define endianess +#endif + +#endif /* __ASM_GENERIC_UNALIGNED_H */ -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ ------------------------------------------------------- -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Backed up the system lately? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/