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updates initial CXS test

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This commit is contained in:
Eyck Jentzsch
2024-12-13 20:35:17 +01:00
parent a8d883475d
commit 89920683e9
2 changed files with 43 additions and 23 deletions
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2
scc

Submodule scc updated: fa87148727...dc097db73a

62
tests/cxs_tlm/sc_main.cpp
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@@ -1,5 +1,6 @@
#define SC_INCLUDE_FX #define SC_INCLUDE_FX
#include <cxs/tlm_network_cxs.h> #include <cxs/cxs_tlm.h>
#include <scc/cci_util.h> #include <scc/cci_util.h>
#include <scc/configurer.h> #include <scc/configurer.h>
#include <scc/observer.h> #include <scc/observer.h>
@@ -11,54 +12,71 @@
using namespace sc_dt; using namespace sc_dt;
using namespace std; using namespace std;
using namespace cxs; using namespace cxs;
/*
enum { PHIT_WIDTH = 664 }; * to be tested:
* PHITSIZE: 256, messages: 4*12bytes, 4*16bytes, 4x20bytes, 2x32bytes, 2x48bytes, 2x64bytes
*/
enum { PHIT_WIDTH = 256 };
struct testbench : public sc_core::sc_module, struct testbench : public sc_core::sc_module,
public tlm::nw::tlm_network_fw_transport_if<tlm_network_cxs_types>, public tlm::nw::tlm_network_fw_transport_if<cxs_packet_types>,
public tlm::nw::tlm_network_bw_transport_if<tlm_network_cxs_types> { public tlm::nw::tlm_network_bw_transport_if<cxs_packet_types> {
using transaction_type = tlm_network_cxs_types::tlm_payload_type; using transaction_type = cxs_packet_types::tlm_payload_type;
using phase_type = tlm_network_cxs_types::tlm_phase_type; using phase_type = cxs_packet_types::tlm_phase_type;
sc_core::sc_clock clk{"clk", 1_ns}; sc_core::sc_clock clk{"clk", 1_ns};
tlm_network_cxs_initiator_socket<PHIT_WIDTH> isck{"isck"}; sc_core::sc_signal<bool> rst{"rst"};
cxs_pkt_initiator_socket<> isck{"isck"};
cxs_transmitter<PHIT_WIDTH> tx{"tx"};
cxs_channel<PHIT_WIDTH> cxs_chan{"cxs_chan"}; cxs_channel<PHIT_WIDTH> cxs_chan{"cxs_chan"};
tlm_network_cxs_target_socket<PHIT_WIDTH> tsck{"tsck"}; cxs_receiver<PHIT_WIDTH> rx{"rx"};
cxs_pkt_target_socket<> tsck{"tsck"};
testbench(sc_core::sc_module_name const& nm) testbench(sc_core::sc_module_name const& nm)
: sc_module(nm) { : sc_module(nm) {
isck(*this); isck(*this);
tsck(*this); tsck(*this);
cxs_chan.rcv_clk_i(clk); isck(tx.tsck);
isck(cxs_chan.tsck); tx.clk_i(clk);
cxs_chan.isck(tsck); tx.isck(cxs_chan.tsck);
cxs_chan.isck(rx.tsck);
rx.clk_i(clk);
rx.rst_i(rst);
rx.isck(tsck);
SC_HAS_PROCESS(testbench); SC_HAS_PROCESS(testbench);
SC_THREAD(run); SC_THREAD(run);
cxs_chan.channel_delay.set_value(100_ns); cxs_chan.channel_delay.set_value(100_ns);
rx.max_credit.set_value(15);
} }
void run() { void run() {
cxs::tlm_network_cxs_payload trans; rst = true;
trans.set_command(cxs::CXS_CMD::DATA); for(auto i = 0u; i < 11u; ++i)
wait(clk.posedge_event());
rst = false;
cxs::cxs_packet_payload trans;
sc_core::sc_time t = sc_core::SC_ZERO_TIME; sc_core::sc_time t = sc_core::SC_ZERO_TIME;
isck->b_transport(trans, t); isck->b_transport(trans, t);
tlm_cxs_shared_ptr trans_ptr = tlm_mm_cxs::get().allocate(); wait(t);
cxs_pkt_shared_ptr trans_ptr = cxs_pkt_mm::get().allocate();
trans_ptr->get_data().resize(16);
auto phase{tlm::nw::REQUEST}; auto phase{tlm::nw::REQUEST};
auto status = isck->nb_transport_fw(*trans_ptr, phase, t); auto status = isck->nb_transport_fw(*trans_ptr, phase, t);
if(status == tlm::TLM_UPDATED) {
sc_assert(phase == tlm::nw::CONFIRM); sc_assert(phase == tlm::nw::CONFIRM);
}
wait(target_received_evt); wait(target_received_evt);
wait(1_us);
sc_core::sc_stop(); sc_core::sc_stop();
} }
void b_transport(transaction_type& trans, sc_core::sc_time& t) override { SCCINFO(SCMOD) << "Received blocking transaction"; } void b_transport(transaction_type& trans, sc_core::sc_time& t) override {
SCCINFO(SCMOD) << "Received blocking transaction at local time " << (sc_core::sc_time_stamp() + t);
}
tlm::tlm_sync_enum nb_transport_fw(transaction_type& trans, phase_type& phase, sc_core::sc_time& t) override { tlm::tlm_sync_enum nb_transport_fw(transaction_type& trans, phase_type& phase, sc_core::sc_time& t) override {
if(phase == tlm::nw::INDICATION) { if(phase == tlm::nw::REQUEST) {
SCCINFO(SCMOD) << "Received non-blocking transaction with phase " << phase.get_name(); SCCINFO(SCMOD) << "Received non-blocking transaction with phase " << phase.get_name();
target_received_evt.notify(sc_core::SC_ZERO_TIME); target_received_evt.notify(sc_core::SC_ZERO_TIME);
phase = tlm::nw::RESPONSE; phase = tlm::nw::CONFIRM;
return tlm::TLM_UPDATED; return tlm::TLM_UPDATED;
} }
throw std::runtime_error("illegal request in forward path"); throw std::runtime_error("illegal request in forward path");
@@ -66,6 +84,7 @@ struct testbench : public sc_core::sc_module,
tlm::tlm_sync_enum nb_transport_bw(transaction_type& trans, phase_type& phase, sc_core::sc_time& t) override { tlm::tlm_sync_enum nb_transport_bw(transaction_type& trans, phase_type& phase, sc_core::sc_time& t) override {
if(phase == tlm::nw::CONFIRM) { if(phase == tlm::nw::CONFIRM) {
confirmation_evt.notify(sc_core::SC_ZERO_TIME);
return tlm::TLM_ACCEPTED; return tlm::TLM_ACCEPTED;
} }
throw std::runtime_error("illegal response in backward path"); throw std::runtime_error("illegal response in backward path");
@@ -73,11 +92,12 @@ struct testbench : public sc_core::sc_module,
unsigned int transport_dbg(transaction_type& trans) override { return 0; } unsigned int transport_dbg(transaction_type& trans) override { return 0; }
sc_core::sc_event confirmation_evt;
sc_core::sc_event target_received_evt; sc_core::sc_event target_received_evt;
}; };
int sc_main(int sc_argc, char* sc_argv[]) { int sc_main(int sc_argc, char* sc_argv[]) {
scc::init_logging(scc::log::INFO); scc::init_logging(scc::log::DEBUG);
scc::configurer cfg(""); scc::configurer cfg("");
scc::tracer trc("cxs_tlm"); scc::tracer trc("cxs_tlm");
testbench tb("tb"); testbench tb("tb");