From patchwork Fri Oct 30 11:51:22 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hunt, David" X-Patchwork-Id: 8365 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 2EDFD8E81; Fri, 30 Oct 2015 12:51:55 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 121AA8E71 for ; Fri, 30 Oct 2015 12:51:48 +0100 (CET) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP; 30 Oct 2015 04:51:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,218,1444719600"; d="scan'208";a="823087031" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga001.fm.intel.com with ESMTP; 30 Oct 2015 04:51:46 -0700 Received: from sivswdev02.ir.intel.com (sivswdev02.ir.intel.com [10.237.217.46]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id t9UBpknJ024777; Fri, 30 Oct 2015 11:51:46 GMT Received: from sivswdev02.ir.intel.com (localhost [127.0.0.1]) by sivswdev02.ir.intel.com with ESMTP id t9UBpkqf023891; Fri, 30 Oct 2015 11:51:46 GMT Received: (from dhunt5@localhost) by sivswdev02.ir.intel.com with id t9UBpk5T023887; Fri, 30 Oct 2015 11:51:46 GMT From: David Hunt To: dev@dpdk.org Date: Fri, 30 Oct 2015 11:51:22 +0000 Message-Id: <1446205886-23823-3-git-send-email-david.hunt@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1446205886-23823-1-git-send-email-david.hunt@intel.com> References: <1446205886-23823-1-git-send-email-david.hunt@intel.com> Subject: [dpdk-dev] [PATCH v2 2/6] eal/arm: add 64-bit armv8 version of rte_prefetch.h X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: David Hunt --- .../common/include/arch/arm/rte_prefetch.h | 4 ++ .../common/include/arch/arm/rte_prefetch_64.h | 61 ++++++++++++++++++++++ 2 files changed, 65 insertions(+) create mode 100644 lib/librte_eal/common/include/arch/arm/rte_prefetch_64.h diff --git a/lib/librte_eal/common/include/arch/arm/rte_prefetch.h b/lib/librte_eal/common/include/arch/arm/rte_prefetch.h index 1f46697..aa37de5 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_prefetch.h +++ b/lib/librte_eal/common/include/arch/arm/rte_prefetch.h @@ -33,6 +33,10 @@ #ifndef _RTE_PREFETCH_ARM_H_ #define _RTE_PREFETCH_ARM_H_ +#ifdef RTE_ARCH_64 +#include +#else #include +#endif #endif /* _RTE_PREFETCH_ARM_H_ */ diff --git a/lib/librte_eal/common/include/arch/arm/rte_prefetch_64.h b/lib/librte_eal/common/include/arch/arm/rte_prefetch_64.h new file mode 100644 index 0000000..b0d9170 --- /dev/null +++ b/lib/librte_eal/common/include/arch/arm/rte_prefetch_64.h @@ -0,0 +1,61 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2015 Intel Corporation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _RTE_PREFETCH_ARM_64_H_ +#define _RTE_PREFETCH_ARM_64_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "generic/rte_prefetch.h" +/* May want to add PSTL1KEEP instructions for prefetch for ownership. */ +static inline void rte_prefetch0(const volatile void *p) +{ + asm volatile ("PRFM PLDL1KEEP, [%0]" : : "r" (p)); +} + +static inline void rte_prefetch1(const volatile void *p) +{ + asm volatile ("PRFM PLDL2KEEP, [%0]" : : "r" (p)); +} + +static inline void rte_prefetch2(const volatile void *p) +{ + asm volatile ("PRFM PLDL3KEEP, [%0]" : : "r" (p)); +} + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_PREFETCH_ARM_64_H_ */