hmc_controller.hh

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/*
 * Copyright (c) 2011-2013 ARM Limited
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 * Copyright (c) 2015 The University of Bologna
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 * Authors: Erfan Azarkhish
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#ifndef __HMC_CONTROLLER__
#define __HMC_CONTROLLER__

#include "mem/noncoherent_xbar.hh"
#include "mem/port.hh"
#include "params/HMCController.hh"

class HMCController : public NoncoherentXBar
{
public:

    HMCController(const HMCControllerParams *p);

private:

    // Receive range change only on one of the ports (because they all have
    //  the same range)
    virtual void recvRangeChange(PortID master_port_id);

    // Receive a request and distribute it among slave ports
    //  Simply forwards the packet to the next serial link based on a
    //  Round-robin counter
    virtual bool recvTimingReq(PacketPtr pkt, PortID slave_port_id);

    int n_master_ports;

    // The round-robin counter
    int rr_counter;
    int rotate_counter();
};

#endif //__HMC_CONTROLLER__