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Mon, 5 Aug 2019 07:11:17 +0000 From: "Oleinik, Alexander" To: "qemu-devel@nongnu.org" Thread-Topic: [RFC PATCH v2 17/17] fuzz: Add fuzz accelerator type Thread-Index: AQHVS1z5W3/msAY5EkOGLIdOZGp/TA== Date: Mon, 5 Aug 2019 07:11:17 +0000 Message-ID: <20190805071038.32146-18-alxndr@bu.edu> References: <20190805071038.32146-1-alxndr@bu.edu> In-Reply-To: <20190805071038.32146-1-alxndr@bu.edu> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.20.1 x-originating-ip: [128.197.127.33] x-clientproxiedby: BL0PR02CA0068.namprd02.prod.outlook.com (2603:10b6:207:3d::45) To CY4PR03MB2872.namprd03.prod.outlook.com (2603:10b6:903:134::17) authentication-results: spf=none (sender IP is ) smtp.mailfrom=alxndr@bu.edu; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 071fca2f-bf7b-4f32-e28f-08d719741c09 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020); 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: bu.edu X-MS-Exchange-CrossTenant-Network-Message-Id: 071fca2f-bf7b-4f32-e28f-08d719741c09 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Aug 2019 07:11:17.5724 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d57d32cc-c121-488f-b07b-dfe705680c71 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: alxndr@bu.edu X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR03MB2646 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 40.107.68.126 Subject: [Qemu-devel] [RFC PATCH v2 17/17] fuzz: Add fuzz accelerator type 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: "pbonzini@redhat.com" , "bsd@redhat.com" , "stefanha@redhat.com" , "Oleinik, Alexander" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Alexander Oleinik --- accel/fuzz.c | 48 +++++++++++++++++++++++++++++++++++++++++++ include/sysemu/fuzz.h | 15 ++++++++++++++ 2 files changed, 63 insertions(+) create mode 100644 accel/fuzz.c create mode 100644 include/sysemu/fuzz.h diff --git a/accel/fuzz.c b/accel/fuzz.c new file mode 100644 index 0000000000..9af989aaa1 --- /dev/null +++ b/accel/fuzz.c @@ -0,0 +1,48 @@ +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "qemu/module.h" +#include "qemu/option.h" +#include "qemu/config-file.h" +#include "sysemu/accel.h" +#include "sysemu/fuzz.h" +#include "sysemu/cpus.h" + + +static void fuzz_setup_post(MachineState *ms, AccelState *accel) +{ +} + +static int fuzz_init_accel(MachineState *ms) +{ + QemuOpts *opts =3D qemu_opts_create(qemu_find_opts("icount"), NULL, 0, + &error_abort); + qemu_opt_set(opts, "shift", "0", &error_abort); + configure_icount(opts, &error_abort); + qemu_opts_del(opts); + return 0; +} + +static void fuzz_accel_class_init(ObjectClass *oc, void *data) +{ + AccelClass *ac =3D ACCEL_CLASS(oc); + ac->name =3D "fuzz"; + ac->init_machine =3D fuzz_init_accel; + ac->setup_post =3D fuzz_setup_post; + ac->allowed =3D &fuzz_allowed; +} + +#define TYPE_FUZZ_ACCEL ACCEL_CLASS_NAME("fuzz") + +static const TypeInfo fuzz_accel_type =3D { + .name =3D TYPE_FUZZ_ACCEL, + .parent =3D TYPE_ACCEL, + .class_init =3D fuzz_accel_class_init, +}; + +static void fuzz_type_init(void) +{ + type_register_static(&fuzz_accel_type); +} + +type_init(fuzz_type_init); + diff --git a/include/sysemu/fuzz.h b/include/sysemu/fuzz.h new file mode 100644 index 0000000000..09a2a9ffdf --- /dev/null +++ b/include/sysemu/fuzz.h @@ -0,0 +1,15 @@ +#ifndef FUZZ_H +#define FUZZ_H + +bool fuzz_allowed; + +static inline bool fuzz_enabled(void) +{ + return fuzz_allowed; +} + +bool fuzz_driver(void); + +void fuzz_init(const char *fuzz_chrdev, const char *fuzz_log, Error **errp= ); + +#endif --=20 2.20.1