From patchwork Tue Mar 8 21:06:32 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 8537761 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E2F54C0553 for ; Tue, 8 Mar 2016 21:09:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5580F201E4 for ; Tue, 8 Mar 2016 21:09:56 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8AF6A201C8 for ; Tue, 8 Mar 2016 21:09:55 +0000 (UTC) Received: from localhost ([::1]:37397 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adOt8-0005TX-Qe for patchwork-qemu-devel@patchwork.kernel.org; Tue, 08 Mar 2016 16:09:54 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47887) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adOsw-0005Qz-0p for qemu-devel@nongnu.org; Tue, 08 Mar 2016 16:09:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1adOss-0002bd-PJ for qemu-devel@nongnu.org; Tue, 08 Mar 2016 16:09:41 -0500 Received: from mail-bl2nam02on0054.outbound.protection.outlook.com ([104.47.38.54]:56004 helo=NAM02-BL2-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adOss-0002bU-M7 for qemu-devel@nongnu.org; Tue, 08 Mar 2016 16:09:38 -0500 Received: from BL2NAM02FT044.eop-nam02.prod.protection.outlook.com (10.152.76.56) by BL2NAM02HT101.eop-nam02.prod.protection.outlook.com (10.152.76.227) with Microsoft SMTP Server (TLS) id 15.1.427.7; Tue, 8 Mar 2016 21:09:37 +0000 Authentication-Results: spf=fail (sender IP is 149.199.60.96) smtp.mailfrom=xilinx.com; linaro.org; dkim=none (message not signed) header.d=none; linaro.org; dmarc=none action=none header.from=xilinx.com; Received-SPF: Fail (protection.outlook.com: domain of xilinx.com does not designate 149.199.60.96 as permitted sender) receiver=protection.outlook.com; client-ip=149.199.60.96; helo=xsj-tvapsmtpgw01; Received: from xsj-tvapsmtpgw01 (149.199.60.96) by BL2NAM02FT044.mail.protection.outlook.com (10.152.77.35) with Microsoft SMTP Server (TLS) id 15.1.422.5 via Frontend Transport; Tue, 8 Mar 2016 21:09:34 +0000 Received: from 172-16-1-203.xilinx.com ([172.16.1.203]:47503 helo=xsj-tvapsmtp02.xilinx.com) by xsj-tvapsmtpgw01 with esmtp (Exim 4.63) (envelope-from ) id 1adOsn-0006CH-KE; Tue, 08 Mar 2016 13:09:33 -0800 Received: from [127.0.0.1] (port=48448 helo=tsj-smtp-dlp1.xlnx.xilinx.com) by xsj-tvapsmtp02.xilinx.com with esmtp (Exim 4.63) (envelope-from ) id 1adOsn-0000dV-Gk; Tue, 08 Mar 2016 13:09:33 -0800 Received: from xsj-tvapsmtp02 (xsj-tvapsmtp02.xilinx.com [172.16.1.203]) by tsj-smtp-dlp1.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id u28L3gUF021859; Tue, 8 Mar 2016 13:03:43 -0800 Received: from [172.19.74.182] (port=56640 helo=xsjalistai50.xlnx.xilinx.com) by xsj-tvapsmtp02 with esmtp (Exim 4.63) (envelope-from ) id 1adOsm-0000dS-M8; Tue, 08 Mar 2016 13:09:32 -0800 From: Alistair Francis To: , Date: Tue, 8 Mar 2016 13:06:32 -0800 Message-ID: <912f91bdbccf665fddd51b186027a3ae702d768a.1457470980.git.alistair.francis@xilinx.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: References: X-RCIS-Action: ALLOW X-TM-AS-MML: disable X-TM-AS-Product-Ver: IMSS-7.1.0.1679-8.0.0.1202-22178.005 X-TM-AS-Result: No--1.317-7.0-31-10 X-imss-scan-details: No--1.317-7.0-31-10 X-TMASE-MatchedRID: hnk2xlnUc9ZIOSHptb5tx/pV/0XEKBthnG8msLIkY3ejxYyRBa/qJQJj 6WxgWJYb5MIx11wv+CPGVuWouVipcrs7AZ5K1EFVB6aXNoWfk5AhZ/BFvD5wqUePkhHx6TR6e2u Z8zsihQ2PpHhOWyJ4SYrVlj1Gz2v/T/myJ/T5h7AojOy4tew8JP6/2/nZkihaOgB/fz3EXdcVKT 0eFRmfDs4YhafCzgujIdY9jOi4lTI= X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:149.199.60.96; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10009020)(6009001)(2980300002)(1110001)(1109001)(339900001)(189002)(199003)(85426001)(6806005)(5008740100001)(87936001)(86362001)(48376002)(92566002)(81166005)(47776003)(189998001)(76176999)(50466002)(50986999)(11100500001)(33646002)(118296001)(1096002)(5001770100001)(64026002)(1220700001)(4326007)(5003940100001)(77096005)(105606002)(106466001)(2906002)(36756003)(2950100001)(5003600100002)(19580405001)(586003)(229853001)(71366001)(19580395003)(50226001); DIR:OUT; SFP:1101; SCL:1; SRVR:BL2NAM02HT101; H:xsj-tvapsmtpgw01; FPR:; SPF:Fail; MLV:sfv; MX:1; A:1; LANG:en; MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: e9cce287-5b1b-41cc-cdd0-08d34795f4ce X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:BL2NAM02HT101; X-Microsoft-Antispam-PRVS: <475e7c087b734690a2e363e9210f9cbd@BL2NAM02HT101.eop-nam02.prod.protection.outlook.com> X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(601004)(2401047)(8121501046)(13015025)(5005006)(13017025)(13018025)(13024025)(13023025)(3002001)(10201501046); SRVR:BL2NAM02HT101; BCL:0; PCL:0; RULEID:; SRVR:BL2NAM02HT101; X-Forefront-PRVS: 08756AC3C8 X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Mar 2016 21:09:34.5645 (UTC) X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c; Ip=[149.199.60.96]; Helo=[xsj-tvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL2NAM02HT101 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 104.47.38.54 Cc: edgar.iglesias@xilinx.com, alistair.francis@xilinx.com, crosthwaitepeter@gmail.com, edgar.iglesias@gmail.com, alex.bennee@linaro.org, afaerber@suse.de, fred.konrad@greensocs.com Subject: [Qemu-devel] [PATCH v5 01/15] bitops: Add MAKE_64BIT_MASK macro X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Add a macro that creates a 64bit value which has length number of ones shifted acrros by the value of shift. Signed-off-by: Alistair Francis Reviewed-by: Alex Bennée --- V5: - Re-write to a 64-bit mask instead of ONES() - Re-order this patch in the series include/qemu/bitops.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h index 755fdd1..3c45791 100644 --- a/include/qemu/bitops.h +++ b/include/qemu/bitops.h @@ -24,6 +24,9 @@ #define BIT_WORD(nr) ((nr) / BITS_PER_LONG) #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) +#define MAKE_64BIT_MASK(shift, length) \ + (((1ull << (length)) - 1) << shift) + /** * set_bit - Set a bit in memory * @nr: the bit to set