Initial commit of OpenSPARC T2 design and verification files.

[OpenSPARC-T2-DV] / verif / model / pcie / dll / pl_producer.cpp

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// 
// OpenSPARC T2 Processor File: pl_producer.cpp
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#ifndef DLL_pl_producer_h
#define DLL_pl_producer_h

#include "dll_top.hpp"

namespace pcie {

    /** This function produces DLLPs for PL **/
    void dll_top::pl_dllp_producer()
    {
        LOG_DEBUG<<"DLL: pl_dllp_producer begins...";
        try{  
            RefPciePacket send_packet;

            while(true)
            {
                if ( !queue_DLLP.empty() &&  !ltssm_L0s )
                {
                    //cout << sc_time_stamp() << "---- DLLP Queue Size: " << queue_DLLP.size() << endl;
                    send_packet = queue_DLLP.front();
                    queue_DLLP.pop();
                    while(true){
                        if((send_packet->get_byte(0)==DLLP_ACK || send_packet->get_byte(0)== DLLP_NAK) && queue_DLLP.size()>=1){
                            if((queue_DLLP.front())->get_byte(0)==DLLP_ACK || (queue_DLLP.front())->get_byte(0)== DLLP_NAK){
                                //cout << "Aggregating DLLPs..." << endl;
                                send_packet = queue_DLLP.front();
                                queue_DLLP.pop();
                            }
                            else break;
                        }
                        else break;
                    }
                    LOG_DEBUG << "_DLL_: Sent packet to PL with PktId= " << send_packet->getPacketId() << " Size= " << send_packet->get_size() ;
                    //cout << sc_time_stamp() << "\t\t\t\t\t| DLL: Sent DLLP " << send_packet->getPacketId() << " to PL." << endl;
                    dll_pl_dllp_out.send_packet(send_packet);
                }
                WAIT(eventPlPktRdy);
                wait(sc_time(25,SC_NS),reset_ev);//Added
            }// while
        }
        catch(sc_exception &e){
            LOG_DEBUG<<"DLL: Out of pl_dllp_producer";
        }


    }// pl_producer


    /** This function produces TLPs for PL **/
    void dll_top::pl_tlp_producer()
    {
        LOG_DEBUG<<"DLL: pl_tlp_producer begins...";
        try{
            RefPciePacket send_packet;
            sc_uint<12> rx_pkt_seq_num;
            sc_uint<8> byte_seq_num;

            while(true)
            {
                if ( !queue_TLP.empty() && !ltssm_L0s && FC_Init_Complete && Flag_FC1 && Flag_FC2)
                {
                    send_packet = queue_TLP.front();

                    sent_first_stp_pkt=true; 
                    queue_TLP.pop();
                    LOG_DEBUG << "_DLL_: Sent packet to PL with PktId= " << send_packet->getPacketId() << " Size= " << send_packet->get_size() ;
                    //cout << sc_time_stamp() << "\t\t\t\t\t| DLL: Sent TLP " << send_packet->getPacketId() << " to PL." << endl;
                    dll_pl_tlp_out.send_packet(send_packet);
                    buffer_add(send_packet);
                    //replay_buffer.push(send_packet);
                    byte_seq_num= send_packet->get_byte(1);
                    rx_pkt_seq_num.range(11,8)=byte_seq_num.range(3,0);
                    byte_seq_num= send_packet->get_byte(2);
                    rx_pkt_seq_num.range(7,0)=byte_seq_num.range(7,0);
                    LOG_DEBUG << "REPLAY_BUFFER: Added packet " << rx_pkt_seq_num ;
                }
                WAIT(eventPlPktRdy|fc_init2_complete_ev);
            }// while
        }
        catch(sc_exception &e){
            LOG_DEBUG<<"DLL: Out of pl_tlp_producer";
        }	  
    }// pl_producer
}

#endif