From patchwork Tue Jan 6 06:53:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhigang Lu X-Patchwork-Id: 2194 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 0D2885A3E; Tue, 6 Jan 2015 07:59:10 +0100 (CET) Received: from emea01-db3-obe.outbound.protection.outlook.com (mail-db3on0083.outbound.protection.outlook.com [157.55.234.83]) by dpdk.org (Postfix) with ESMTP id 7FCBC5921 for ; Tue, 6 Jan 2015 07:59:08 +0100 (CET) Received: from DB4PR02CA0037.eurprd02.prod.outlook.com (10.242.174.165) by DB4PR02MB015.eurprd02.prod.outlook.com (10.242.154.22) with Microsoft SMTP Server (TLS) id 15.1.49.12; Tue, 6 Jan 2015 06:59:07 +0000 Received: from AM1FFO11FD030.protection.gbl (2a01:111:f400:7e00::183) by DB4PR02CA0037.outlook.office365.com (2a01:111:e400:983b::37) with Microsoft SMTP Server (TLS) id 15.1.49.12 via Frontend Transport; Tue, 6 Jan 2015 06:59:07 +0000 Received: from bjgfarm-2.internal.tilera.com (124.207.145.166) by AM1FFO11FD030.mail.protection.outlook.com (10.174.64.219) with Microsoft SMTP Server (TLS) id 15.1.49.13 via Frontend Transport; Tue, 6 Jan 2015 06:59:05 +0000 Received: (from zlu@localhost) by bjgfarm-2.internal.tilera.com (8.14.4/8.14.4/Submit) id t066wmLV017159; Tue, 6 Jan 2015 14:58:48 +0800 From: Zhigang Lu To: Date: Tue, 6 Jan 2015 14:53:42 +0800 Message-ID: <1420527230-17037-5-git-send-email-zlu@ezchip.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1420527230-17037-1-git-send-email-zlu@ezchip.com> References: <1420527230-17037-1-git-send-email-zlu@ezchip.com> X-EOPAttributedMessage: 0 Received-SPF: Fail (protection.outlook.com: domain of ezchip.com does not designate 124.207.145.166 as permitted sender) receiver=protection.outlook.com; client-ip=124.207.145.166; helo=bjgfarm-2.internal.tilera.com; Authentication-Results: spf=fail (sender IP is 124.207.145.166) smtp.mailfrom=zlu@ezchip.com; X-Forefront-Antispam-Report: CIP:124.207.145.166; CTRY:CN; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10009020)(6009001)(339900001)(189002)(199003)(62966003)(6806004)(19580405001)(19580395003)(86362001)(92566001)(77156002)(64706001)(47776003)(20776003)(50466002)(2950100001)(97736003)(50226001)(104016003)(48376002)(84676001)(68736005)(110136001)(89996001)(229853001)(4396001)(99396003)(46102003)(87936001)(21056001)(105606002)(120916001)(33646002)(31966008)(2351001)(50986999)(107046002)(106466001)(42186005)(36756003)(76176999); DIR:OUT; SFP:1101; SCL:1; SRVR:DB4PR02MB015; H:bjgfarm-2.internal.tilera.com; FPR:; SPF:Fail; MLV:sfv; PTR:InfoDomainNonexistent; MX:1; A:1; LANG:en; MIME-Version: 1.0 X-DmarcAction: None X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:(3005003);SRVR:DB4PR02MB015; X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(601004); SRVR:DB4PR02MB015; X-Forefront-PRVS: 0448A97BF2 X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:;SRVR:DB4PR02MB015; X-OriginatorOrg: ezchip.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jan 2015 06:59:05.4789 (UTC) X-MS-Exchange-CrossTenant-Id: 0fc16e0a-3cd3-4092-8b2f-0a42cff122c3 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0fc16e0a-3cd3-4092-8b2f-0a42cff122c3; Ip=[124.207.145.166] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB4PR02MB015 Subject: [dpdk-dev] [PATCH v2 04/12] eal/tile: add prefetch operations for TileGx 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: Zhigang Lu Signed-off-by: Cyril Chemparathy --- .../common/include/arch/tile/rte_prefetch.h | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 lib/librte_eal/common/include/arch/tile/rte_prefetch.h diff --git a/lib/librte_eal/common/include/arch/tile/rte_prefetch.h b/lib/librte_eal/common/include/arch/tile/rte_prefetch.h new file mode 100644 index 0000000..01a5d21 --- /dev/null +++ b/lib/librte_eal/common/include/arch/tile/rte_prefetch.h @@ -0,0 +1,62 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2014 Tilera Corporation. All rights reserved. + * 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 Tilera 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_TILE_H_ +#define _RTE_PREFETCH_TILE_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "generic/rte_prefetch.h" + +static inline void rte_prefetch0(volatile void *p) +{ + __builtin_prefetch((const void *)(uintptr_t)p, 0, 3); +} + +static inline void rte_prefetch1(volatile void *p) +{ + __builtin_prefetch((const void *)(uintptr_t)p, 0, 2); +} + +static inline void rte_prefetch2(volatile void *p) +{ + __builtin_prefetch((const void *)(uintptr_t)p, 0, 1); +} + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_PREFETCH_TILE_H_ */