LXR qemu/include/hw/misc/armsse-mhu.h

   1/*
   2 * ARM SSE-200 Message Handling Unit (MHU)
   3 *
   4 * Copyright (c) 2019 Linaro Limited
   5 * Written by Peter Maydell
   6 *
   7 *  This program is free software; you can redistribute it and/or modify
   8 *  it under the terms of the GNU General Public License version 2 or
   9 *  (at your option) any later version.
  10 */
  11
  12/*
  13 * This is a model of the Message Handling Unit (MHU) which is part of the
  14 * Arm SSE-200 and documented in
  15 * https://developer.arm.com/documentation/101104/latest/
  16 *
  17 * QEMU interface:
  18 *  + sysbus MMIO region 0: the system information register bank
  19 *  + sysbus IRQ 0: interrupt for CPU 0
  20 *  + sysbus IRQ 1: interrupt for CPU 1
  21 */
  22
  23#ifndef HW_MISC_ARMSSE_MHU_H
  24#define HW_MISC_ARMSSE_MHU_H
  25
  26#include "hw/sysbus.h"
  27#include "qom/object.h"
  28
  29#define TYPE_ARMSSE_MHU "armsse-mhu"
  30OBJECT_DECLARE_SIMPLE_TYPE(ARMSSEMHU, ARMSSE_MHU)
  31
  32struct ARMSSEMHU {
  33    /*< private >*/
  34    SysBusDevice parent_obj;
  35
  36    /*< public >*/
  37    MemoryRegion iomem;
  38    qemu_irq cpu0irq;
  39    qemu_irq cpu1irq;
  40
  41    uint32_t cpu0intr;
  42    uint32_t cpu1intr;
  43};
  44
  45#endif
  46