100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/*
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* blocks.cpp
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*
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* Created on: 04.05.2020
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* Author: eyck
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*/
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#include "pkt_sender.h"
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#include "types.h"
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#include <scc/report.h>
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#include <tlm/tlm_mm.h>
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using namespace sc_core;
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pkt_sender::pkt_sender(const sc_core::sc_module_name &nm, unsigned dim, unsigned pos_x, unsigned pos_y, unsigned count)
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: sc_module(nm)
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, bw_peq("bw_peq")
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, fw_peq("fw_peq")
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, my_pos{pos_x,pos_y}
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, dim{dim}
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, count{count}
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{
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SCCDEBUG(SCMOD)<<"instantiating sender "<<pos_x<<"/"<<pos_y;
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SC_HAS_PROCESS(pkt_sender);
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isck.register_nb_transport_bw([this](tlm::tlm_generic_payload &gp, tlm::tlm_phase &phase, sc_core::sc_time &delay)->tlm::tlm_sync_enum{
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return this->nb_bw(gp, phase, delay);
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});
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tsck.register_nb_transport_fw([this](tlm::tlm_generic_payload &gp, tlm::tlm_phase &phase, sc_core::sc_time &delay)->tlm::tlm_sync_enum{
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return this->nb_fw(gp, phase, delay);
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});
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SC_METHOD(received);
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sensitive<<fw_peq.get_event();
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dont_initialize();
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SC_THREAD(run);
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}
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void pkt_sender::gen_routing(std::vector<uint8_t> &route_vec) {
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if(std::get<0>(my_pos)==0){
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for(auto i=0; i<dim; ++i)
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route_vec.push_back(RIGHT);
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} else if(std::get<0>(my_pos)==dim+1){
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for(auto i=0; i<dim; ++i)
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route_vec.push_back(LEFT);
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} else if(std::get<1>(my_pos)==0){
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for(auto i=0; i<dim; ++i)
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route_vec.push_back(BOTTOM);
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} else if(std::get<1>(my_pos)==dim+1){
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for(auto i=0; i<dim; ++i)
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route_vec.push_back(TOP);
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} else
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SCCERR(SCMOD)<<"WTF!?!";
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}
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void pkt_sender::run() {
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wait(clk_i.posedge_event());
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for(auto i=0U; i<count; i++){
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tlm::tlm_generic_payload* gp = tlm::tlm_mm<>::get().allocate<packet_ext>();
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gen_routing(gp->get_extension<packet_ext>()->routing);
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tlm::tlm_phase phase{tlm::BEGIN_REQ};
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sc_time delay;
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gp->acquire();
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auto sync = isck->nb_transport_fw(*gp, phase, delay);
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sc_assert(sync==tlm::TLM_UPDATED && phase==tlm::END_REQ);
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tlm::tlm_generic_payload* ret{nullptr};
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while(!(ret=bw_peq.get_next_transaction())){
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wait(bw_peq.get_event());
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}
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sc_assert(gp==ret);
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ret->release();
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}
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finish_evt.notify(SC_ZERO_TIME);
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}
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tlm::tlm_sync_enum pkt_sender::nb_bw(tlm::tlm_generic_payload &gp, tlm::tlm_phase &phase, sc_core::sc_time &delay) {
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sc_assert(phase==tlm::BEGIN_RESP);
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bw_peq.notify(gp, delay);
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phase=tlm::END_RESP;
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return tlm::TLM_COMPLETED;
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}
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tlm::tlm_sync_enum pkt_sender::nb_fw(tlm::tlm_generic_payload &gp, tlm::tlm_phase &phase, sc_core::sc_time &delay) {
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sc_assert(phase==tlm::BEGIN_REQ);
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auto ext = gp.get_extension<packet_ext>();
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sc_assert(ext->routing.size()==0);
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gp.acquire();
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fw_peq.notify(gp, delay);
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phase=tlm::END_REQ;
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return tlm::TLM_UPDATED;
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}
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void pkt_sender::received() {
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if(auto gp = fw_peq.get_next_transaction()){
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tlm::tlm_phase phase{tlm::BEGIN_RESP};
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sc_time delay;
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auto sync = tsck->nb_transport_bw(*gp, phase, delay);
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sc_assert(sync==tlm::TLM_COMPLETED && phase==tlm::END_RESP);
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gp->release();
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}
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}
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