From patchwork Fri Aug 1 09:17:47 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 4661461 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 188A4C0338 for ; Fri, 1 Aug 2014 09:19:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5A9C7201DD for ; Fri, 1 Aug 2014 09:19:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E816A2020F for ; Fri, 1 Aug 2014 09:19:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754843AbaHAJT2 (ORCPT ); Fri, 1 Aug 2014 05:19:28 -0400 Received: from cantor2.suse.de ([195.135.220.15]:49854 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754833AbaHAJTA (ORCPT ); Fri, 1 Aug 2014 05:19:00 -0400 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 1344575063; Fri, 1 Aug 2014 09:18:35 +0000 (UTC) From: Alexander Graf To: kvm-ppc@vger.kernel.org Cc: kvm@vger.kernel.org, Benjamin Herrenschmidt Subject: [PULL 16/63] PPC: Add asm helpers for BE 32bit load/store Date: Fri, 1 Aug 2014 11:17:47 +0200 Message-Id: <1406884714-33099-17-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1406884714-33099-1-git-send-email-agraf@suse.de> References: <1406884714-33099-1-git-send-email-agraf@suse.de> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From assembly code we might not only have to explicitly BE access 64bit values, but sometimes also 32bit ones. Add helpers that allow for easy use of lwzx/stwx in their respective byte-reverse or native form. Signed-off-by: Alexander Graf CC: Benjamin Herrenschmidt Acked-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/asm-compat.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h index 4b237aa..21be8ae 100644 --- a/arch/powerpc/include/asm/asm-compat.h +++ b/arch/powerpc/include/asm/asm-compat.h @@ -34,10 +34,14 @@ #define PPC_MIN_STKFRM 112 #ifdef __BIG_ENDIAN__ +#define LWZX_BE stringify_in_c(lwzx) #define LDX_BE stringify_in_c(ldx) +#define STWX_BE stringify_in_c(stwx) #define STDX_BE stringify_in_c(stdx) #else +#define LWZX_BE stringify_in_c(lwbrx) #define LDX_BE stringify_in_c(ldbrx) +#define STWX_BE stringify_in_c(stwbrx) #define STDX_BE stringify_in_c(stdbrx) #endif