From patchwork Thu Jul 25 08:04:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 1136722 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=bt.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45vPrh5twfz9s00 for ; Thu, 25 Jul 2019 18:04:52 +1000 (AEST) Received: from localhost ([::1]:56824 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqYk6-00066l-So for incoming@patchwork.ozlabs.org; Thu, 25 Jul 2019 04:04:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38159) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqYjy-0005qu-0h for qemu-devel@nongnu.org; Thu, 25 Jul 2019 04:04:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hqYjw-0003HI-Rl for qemu-devel@nongnu.org; Thu, 25 Jul 2019 04:04:41 -0400 Received: from smtpe1.intersmtp.com ([213.121.35.73]:23940) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hqYjm-00038y-8G; Thu, 25 Jul 2019 04:04:30 -0400 Received: from tpw09926dag18f.domain1.systemhost.net (10.9.212.26) by BWP09926078.bt.com (10.36.82.109) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.1.1713.5; Thu, 25 Jul 2019 09:04:24 +0100 Received: from tpw09926dag18e.domain1.systemhost.net (10.9.212.18) by tpw09926dag18f.domain1.systemhost.net (10.9.212.26) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 25 Jul 2019 09:04:27 +0100 Received: from tpw09926dag18e.domain1.systemhost.net ([fe80::a946:6348:ccf4:fa6c]) by tpw09926dag18e.domain1.systemhost.net ([fe80::a946:6348:ccf4:fa6c%12]) with mapi id 15.00.1395.000; Thu, 25 Jul 2019 09:04:27 +0100 From: To: Thread-Topic: [Qemu-devel] [PATCH v4 10/15] memory: Access MemoryRegion with MemOp semantics Thread-Index: AQHVQr+UHh/79tP1yUKtUGxWCQbJ5Q== Date: Thu, 25 Jul 2019 08:04:27 +0000 Message-ID: <1564041867105.29661@bt.com> References: , <1563810716254.18886@bt.com>, <1564038073754.91133@bt.com>, <1564041524365.23360@bt.com> In-Reply-To: <1564041524365.23360@bt.com> Accept-Language: en-AU, en-GB, en-US Content-Language: en-AU X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.187.101.42] MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 213.121.35.73 X-Content-Filtered-By: Mailman/MimeDel 2.1.23 Subject: [Qemu-devel] [PATCH v4 10/15] memory: Access MemoryRegion with MemOp semantics X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, walling@linux.ibm.com, mst@redhat.com, palmer@sifive.com, mark.cave-ayland@ilande.co.uk, Alistair.Francis@wdc.com, arikalo@wavecomp.com, david@redhat.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, rth@twiddle.net, atar4qemu@gmail.com, ehabkost@redhat.com, sw@weilnetz.de, qemu-s390x@nongnu.org, qemu-arm@nongnu.org, david@gibson.dropbear.id.au, qemu-riscv@nongnu.org, cohuck@redhat.com, alex.williamson@redhat.com, qemu-ppc@nongnu.org, amarkovic@wavecomp.com, pbonzini@redhat.com, aurelien@aurel32.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" To convert interfaces of MemoryRegion access, MEMOP_SIZE and SIZE_MEMOP no-op stubs were introduced to change syntax while keeping the existing semantics. Now with interfaces converted, we fill the stubs and use MemOp semantics. Signed-off-by: Tony Nguyen --- include/exec/memop.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) -- 1.8.3.1 diff --git a/include/exec/memop.h b/include/exec/memop.h index 09c8d20..f2847e8 100644 --- a/include/exec/memop.h +++ b/include/exec/memop.h @@ -106,8 +106,7 @@ typedef enum MemOp { MO_SSIZE = MO_SIZE | MO_SIGN, } MemOp; -/* No-op while memory_region_dispatch_[read|write] is converted to MemOp */ -#define MEMOP_SIZE(op) (op) /* MemOp to size. */ -#define SIZE_MEMOP(ul) (ul) /* Size to MemOp. */ +#define MEMOP_SIZE(op) (1 << ((op) & MO_SIZE)) /* MemOp to size. */ +#define SIZE_MEMOP(ul) (ctzl(ul)) /* Size to MemOp. */ #endif