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Thu, 25 Jul 2019 10:55:59 +0100 From: To: Thread-Topic: [Qemu-devel] [PATCH v4 10/15] memory: Access MemoryRegion with MemOp semantics Thread-Index: AQHVQs8px7kJYyCpkkqn1mCQ3wVnbg== Date: Thu, 25 Jul 2019 09:55:59 +0000 Message-ID: <1564048559228.36766@bt.com> References: <45d1ebe4b2ed4c039c9da20a738652df@tpw09926dag18e.domain1.systemhost.net> In-Reply-To: <45d1ebe4b2ed4c039c9da20a738652df@tpw09926dag18e.domain1.systemhost.net> 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: 213.121.35.79 Content-Transfer-Encoding: quoted-printable 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, sagark@eecs.berkeley.edu, david@redhat.com, palmer@sifive.com, mark.cave-ayland@ilande.co.uk, laurent@vivier.eu, Alistair.Francis@wdc.com, edgar.iglesias@gmail.com, arikalo@wavecomp.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, rth@twiddle.net, atar4qemu@gmail.com, ehabkost@redhat.com, qemu-s390x@nongnu.org, qemu-arm@nongnu.org, stefanha@redhat.com, shorne@gmail.com, david@gibson.dropbear.id.au, qemu-riscv@nongnu.org, kbastian@mail.uni-paderborn.de, 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" 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(-) 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 =3D 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 -- 1.8.3.1