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 #include "qom/object.h"
  20
  21 #define TYPE_PL031 "pl031"
  22 typedef struct PL031State PL031State;
  23 DECLARE_INSTANCE_CHECKER(PL031State, PL031,
  24                          TYPE_PL031)
  25
  26 struct PL031State {
  27     SysBusDevice parent_obj;
  28
  29     MemoryRegion iomem;
  30     QEMUTimer *timer;
  31     qemu_irq irq;
  32
  33     /*
  34      * Needed to preserve the tick_count across migration, even if the
  35      * absolute value of the rtc_clock is different on the source and
  36      * destination.
  37      */
  38     uint32_t tick_offset_vmstate;
  39     uint32_t tick_offset;
  40     bool tick_offset_migrated;
  41     bool migrate_tick_offset;
  42
  43     uint32_t mr;
  44     uint32_t lr;
  45     uint32_t cr;
  46     uint32_t im;
  47     uint32_t is;
  48 };
  49
  50 #endif