qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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cmsdk-apb-timer.h (1027B)

      1 /*
      2  * ARM CMSDK APB timer emulation
      3  *
      4  * Copyright (c) 2017 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 #ifndef CMSDK_APB_TIMER_H
     13 #define CMSDK_APB_TIMER_H
     14 
     15 #include "hw/qdev-properties.h"
     16 #include "hw/sysbus.h"
     17 #include "hw/ptimer.h"
     18 #include "hw/clock.h"
     19 #include "qom/object.h"
     20 
     21 #define TYPE_CMSDK_APB_TIMER "cmsdk-apb-timer"
     22 OBJECT_DECLARE_SIMPLE_TYPE(CMSDKAPBTimer, CMSDK_APB_TIMER)
     23 
     24 /*
     25  * QEMU interface:
     26  *  + Clock input "pclk": clock for the timer
     27  *  + sysbus MMIO region 0: the register bank
     28  *  + sysbus IRQ 0: timer interrupt TIMERINT
     29  */
     30 struct CMSDKAPBTimer {
     31     /*< private >*/
     32     SysBusDevice parent_obj;
     33 
     34     /*< public >*/
     35     MemoryRegion iomem;
     36     qemu_irq timerint;
     37     struct ptimer_state *timer;
     38     Clock *pclk;
     39 
     40     uint32_t ctrl;
     41     uint32_t value;
     42     uint32_t reload;
     43     uint32_t intstatus;
     44 };
     45 
     46 #endif