Subversion Repositories riscv_vhdl

/**

 * @file

 * @copyright  Copyright 2016 GNSS Sensor Ltd. All right reserved.

 * @author     Sergey Khabarov - sergeykhbr@gmail.com

 * @brief      General Purpose Timers model.

 */

#ifndef __DEBUGGER_SOCSIM_PLUGIN_GPTIMERS_H__

#define __DEBUGGER_SOCSIM_PLUGIN_GPTIMERS_H__

#include "iclass.h"

#include "iservice.h"

#include "coreservices/imemop.h"

#include "coreservices/iclklistener.h"

#include "coreservices/iclock.h"

#include "coreservices/iwire.h"

namespace debugger {

class GPTimers : public IService,

                 public IMemoryOperation,

                 public IClockListener {

public:

    GPTimers(const char *name);

    ~GPTimers();

    /** IService interface */

    virtual void postinitService();

    /** IMemoryOperation */

    virtual void b_transport(Axi4TransactionType *trans);

    virtual uint64_t getBaseAddress() {

        return baseAddress_.to_uint64();

    }

    virtual uint64_t getLength() {

        return length_.to_uint64();

    }

    /** IClockListener */

    virtual void stepCallback(uint64_t t);

private:

    AttributeType baseAddress_;

    AttributeType length_;

    AttributeType irqLine_;

    AttributeType irqctrl_;

    AttributeType clksrc_;

    IWire *iwire_;

    IClock *iclk_;

    static const uint32_t TIMER_CONTROL_ENA = 1<<0;

    struct gptimers_map {

        uint64_t highcnt;

        uint32_t pending;

        uint32_t rsvr[13];

        typedef struct gptimer_type {

            volatile uint32_t control;

            volatile uint32_t rsv1;

            volatile uint64_t cur_value;

            volatile uint64_t init_value;

        } gptimer_type;

        gptimer_type timer[2];

    } regs_;

};

DECLARE_CLASS(GPTimers)

}  // namespace debugger

#endif  // __DEBUGGER_SOCSIM_PLUGIN_GPTIMERS_H__