accel/tcg/tcg-all.c

   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 int 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);