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