SystemC-Components-Test/tests/sim_performance/pkt_sender.cpp

97 lines
3.2 KiB
C++

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