include/hw/timer/bcm2835_systmr.h

   1 /*
   2  * BCM2835 SYS timer emulation
   3  *
   4  * Copyright (c) 2019 Philippe Mathieu-Daudé <f4bug@amsat.org>
   5  *
   6  * SPDX-License-Identifier: GPL-2.0-or-later
   7  */
   8
   9 #ifndef BCM2835_SYSTMR_H
  10 #define BCM2835_SYSTMR_H
  11
  12 #include "hw/sysbus.h"
  13 #include "hw/irq.h"
  14 #include "qemu/timer.h"
  15 #include "qom/object.h"
  16
  17 #define TYPE_BCM2835_SYSTIMER "bcm2835-sys-timer"
  18 OBJECT_DECLARE_SIMPLE_TYPE(BCM2835SystemTimerState, BCM2835_SYSTIMER)
  19
  20 #define BCM2835_SYSTIMER_COUNT 4
  21
  22 typedef struct {
  23     unsigned id;
  24     QEMUTimer timer;
  25     qemu_irq irq;
  26     BCM2835SystemTimerState *state;
  27 } BCM2835SystemTimerCompare;
  28
  29 struct BCM2835SystemTimerState {
  30     /*< private >*/
  31     SysBusDevice parent_obj;
  32
  33     /*< public >*/
  34     MemoryRegion iomem;
  35     struct {
  36         uint32_t ctrl_status;
  37         uint32_t compare[BCM2835_SYSTIMER_COUNT];
  38     } reg;
  39     BCM2835SystemTimerCompare tmr[BCM2835_SYSTIMER_COUNT];
  40 };
  41
  42 #endif