include/hw/rtc/pl031.h

   1 /*
   2  * ARM AMBA PrimeCell PL031 RTC
   3  *
   4  * Copyright (c) 2007 CodeSourcery
   5  *
   6  * This file is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * Contributions after 2012-01-13 are licensed under the terms of the
  11  * GNU GPL, version 2 or (at your option) any later version.
  12  */
  13
  14 #ifndef HW_RTC_PL031_H
  15 #define HW_RTC_PL031_H
  16
  17 #include "hw/sysbus.h"
  18 #include "qemu/timer.h"
  19
  20 #define TYPE_PL031 "pl031"
  21 #define PL031(obj) OBJECT_CHECK(PL031State, (obj), TYPE_PL031)
  22
  23 typedef struct PL031State {
  24     SysBusDevice parent_obj;
  25
  26     MemoryRegion iomem;
  27     QEMUTimer *timer;
  28     qemu_irq irq;
  29
  30     /*
  31      * Needed to preserve the tick_count across migration, even if the
  32      * absolute value of the rtc_clock is different on the source and
  33      * destination.
  34      */
  35     uint32_t tick_offset_vmstate;
  36     uint32_t tick_offset;
  37     bool tick_offset_migrated;
  38     bool migrate_tick_offset;
  39
  40     uint32_t mr;
  41     uint32_t lr;
  42     uint32_t cr;
  43     uint32_t im;
  44     uint32_t is;
  45 } PL031State;
  46
  47 #endif