1 /* 2 * QEMU System Emulator, accelerator interfaces 3 * 4 * Copyright (c) 2003-2008 Fabrice Bellard 5 * Copyright (c) 2014 Red Hat Inc. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 26 #include "qemu/osdep.h" 27 #include "sysemu/accel.h" 28 #include "sysemu/sysemu.h" 29 #include "qom/object.h" 30 31 unsigned long tcg_tb_size; 32 static bool tcg_allowed = true; 33 34 static int tcg_init(MachineState *ms) 35 { 36 tcg_exec_init(tcg_tb_size * 1024 * 1024); 37 return 0; 38 } 39 40 static void tcg_accel_class_init(ObjectClass *oc, void *data) 41 { 42 AccelClass *ac = ACCEL_CLASS(oc); 43 ac->name = "tcg"; 44 ac->init_machine = tcg_init; 45 ac->allowed = &tcg_allowed; 46 } 47 48 #define TYPE_TCG_ACCEL ACCEL_CLASS_NAME("tcg") 49 50 static const TypeInfo tcg_accel_type = { 51 .name = TYPE_TCG_ACCEL, 52 .parent = TYPE_ACCEL, 53 .class_init = tcg_accel_class_init, 54 }; 55 56 static void register_accel_types(void) 57 { 58 type_register_static(&tcg_accel_type); 59 } 60 61 type_init(register_accel_types); 62