target-xtensa/cpu-qom.h

   1 /*
   2  * QEMU Xtensa CPU
   3  *
   4  * Copyright (c) 2012 SUSE LINUX Products GmbH
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are met:
   9  *     * Redistributions of source code must retain the above copyright
  10  *       notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above copyright
  12  *       notice, this list of conditions and the following disclaimer in the
  13  *       documentation and/or other materials provided with the distribution.
  14  *     * Neither the name of the Open Source and Linux Lab nor the
  15  *       names of its contributors may be used to endorse or promote products
  16  *       derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29 #ifndef QEMU_XTENSA_CPU_QOM_H
  30 #define QEMU_XTENSA_CPU_QOM_H
  31
  32 #include "qom/cpu.h"
  33 #include "cpu.h"
  34
  35 #define TYPE_XTENSA_CPU "xtensa-cpu"
  36
  37 #define XTENSA_CPU_CLASS(class) \
  38     OBJECT_CLASS_CHECK(XtensaCPUClass, (class), TYPE_XTENSA_CPU)
  39 #define XTENSA_CPU(obj) \
  40     OBJECT_CHECK(XtensaCPU, (obj), TYPE_XTENSA_CPU)
  41 #define XTENSA_CPU_GET_CLASS(obj) \
  42     OBJECT_GET_CLASS(XtensaCPUClass, (obj), TYPE_XTENSA_CPU)
  43
  44 /**
  45  * XtensaCPUClass:
  46  * @parent_realize: The parent class' realize handler.
  47  * @parent_reset: The parent class' reset handler.
  48  *
  49  * An Xtensa CPU model.
  50  */
  51 typedef struct XtensaCPUClass {
  52     /*< private >*/
  53     CPUClass parent_class;
  54     /*< public >*/
  55
  56     DeviceRealize parent_realize;
  57     void (*parent_reset)(CPUState *cpu);
  58 } XtensaCPUClass;
  59
  60 /**
  61  * XtensaCPU:
  62  * @env: #CPUXtensaState
  63  *
  64  * An Xtensa CPU.
  65  */
  66 typedef struct XtensaCPU {
  67     /*< private >*/
  68     CPUState parent_obj;
  69     /*< public >*/
  70
  71     CPUXtensaState env;
  72 } XtensaCPU;
  73
  74 static inline XtensaCPU *xtensa_env_get_cpu(const CPUXtensaState *env)
  75 {
  76     return XTENSA_CPU(container_of(env, XtensaCPU, env));
  77 }
  78
  79 #define ENV_GET_CPU(e) CPU(xtensa_env_get_cpu(e))
  80
  81 #define ENV_OFFSET offsetof(XtensaCPU, env)
  82
  83 #endif