lupio_rtc.hh

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/*
 * Copyright (c) 2021 The Regents of the University of California
 * All rights reserved.
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#ifndef __DEV_LUPIO_LUPIO_RTC_HH__
#define __DEV_LUPIO_LUPIO_RTC_HH__
 
#include "debug/LupioRTC.hh"
#include "dev/io_device.hh"
#include "params/LupioRTC.hh"
#include "sim/system.hh"
 
namespace gem5
{

class LupioRTC : public BasicPioDevice
{
  protected:
    time_t start;
    struct tm time;
 
  // Register map
  private:
    enum
    {
        LUPIO_RTC_SECD,
        LUPIO_RTC_MINT,
        LUPIO_RTC_HOUR,
        LUPIO_RTC_DYMO,
        LUPIO_RTC_MNTH,
        LUPIO_RTC_YEAR,
        LUPIO_RTC_CENT,
        LUPIO_RTC_DYWK,
        LUPIO_RTC_DYYR,
 
        // Max offset
        LUPIO_RTC_MAX,
    };

    uint8_t lupioRTCRead(const uint8_t addr);
 
  public:
    PARAMS(LupioRTC);
    LupioRTC(const Params &params);

    Tick read(PacketPtr pkt) override;
    Tick write(PacketPtr pkt) override;
};
 
} // namespace gem5
 
#endif // __DEV_LUPIO_LUPIO_RTC_HH__