qemu

FORK: QEMU emulator
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armsse-mhu.h (1055B)

      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"
     30 OBJECT_DECLARE_SIMPLE_TYPE(ARMSSEMHU, ARMSSE_MHU)
     31 
     32 struct 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