adds some testing for CXS TLM implementation

This commit is contained in:
Eyck Jentzsch 2024-12-11 09:16:04 +01:00
parent 2043e43140
commit bc2ba8161d
5 changed files with 106 additions and 1 deletions

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@ -18,6 +18,15 @@
"CMAKE_PROJECT_TOP_LEVEL_INCLUDES":"cmake-conan/conan_provider.cmake"
}
},
{
"name": "DebugCXX11",
"cacheVariables": {
"CMAKE_POLICY_DEFAULT_CMP0091": "NEW",
"CMAKE_BUILD_TYPE": "Debug",
"CMAKE_CXX_STANDARD": "11",
"CMAKE_PROJECT_TOP_LEVEL_INCLUDES":"cmake-conan/conan_provider.cmake"
}
},
{
"name": "RelWithDebInfo",
"cacheVariables": {

2
scc

@ -1 +1 @@
Subproject commit 66d3b8f9ee209d7343448bf259b93cc4ab85218b
Subproject commit 8b9784da1cd849e86df6a22b55bdaeec3572d762

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@ -8,6 +8,7 @@ add_subdirectory(ace_pin_level)
add_subdirectory(configuration)
add_subdirectory(configurer)
add_subdirectory(sc_fixed_tracing)
add_subdirectory(cxs_tlm)
if(FULL_TEST_SUITE)
add_subdirectory(sim_performance)
endif()

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@ -0,0 +1,3 @@
add_executable (cxs_tlm sc_main.cpp)
target_link_libraries (cxs_tlm LINK_PUBLIC busses scc-sysc)
add_test(NAME cxs_tlm COMMAND cxs_tlm )

92
tests/cxs_tlm/sc_main.cpp Normal file
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@ -0,0 +1,92 @@
#define SC_INCLUDE_FX
#include <scc/cci_util.h>
#include <scc/configurer.h>
#include <scc/observer.h>
#include <scc/sc_variable.h>
#include <scc/tracer.h>
#include <cxs/tlm_network_cxs.h>
#include <string>
#include <systemc>
using namespace sc_dt;
using namespace std;
using namespace cxs;
enum {PHIT_WIDTH=664};
struct testbench : public sc_core::sc_module,
public tlm::nw::tlm_network_fw_transport_if<tlm_network_cxs_types>,
public tlm::nw::tlm_network_bw_transport_if<tlm_network_cxs_types> {
using transaction_type = tlm_network_cxs_types::tlm_payload_type;
using phase_type = tlm_network_cxs_types::tlm_phase_type;
sc_core::sc_clock clk{"clk", 1_ns};
tlm_network_cxs_initiator_socket<PHIT_WIDTH> isck{"isck"};
cxs_channel<PHIT_WIDTH> cxs_chan{"cxs_chan"};
tlm_network_cxs_target_socket<PHIT_WIDTH> tsck{"tsck"};
testbench(sc_core::sc_module_name const& nm)
: sc_module(nm) {
isck(*this);
tsck(*this);
cxs_chan.rcv_clk_i(clk);
isck(cxs_chan.tsck);
cxs_chan.isck(tsck);
SC_HAS_PROCESS(testbench);
SC_THREAD(run);
cxs_chan.channel_delay.set_value(100_ns);
}
void run() {
cxs::tlm_network_cxs_payload trans;
trans.set_command(cxs::CXS_CMD::DATA);
sc_core::sc_time t = sc_core::SC_ZERO_TIME;
isck->b_transport(trans, t);
tlm_cxs_shared_ptr trans_ptr = tlm_mm_cxs::get().allocate();
auto phase{tlm::nw::REQUEST};
auto status = isck->nb_transport_fw(*trans_ptr, phase, t);
if(status == tlm::TLM_UPDATED) {
sc_assert(phase==tlm::nw::CONFIRM);
}
wait(target_received_evt);
sc_core::sc_stop();
}
void b_transport(transaction_type& trans, sc_core::sc_time& t) override {
SCCINFO(SCMOD)<<"Received blocking transaction";
}
tlm::tlm_sync_enum nb_transport_fw(transaction_type& trans, phase_type& phase, sc_core::sc_time& t) override {
if(phase==tlm::nw::INDICATION) {
SCCINFO(SCMOD)<<"Received non-blocking transaction with phase " << phase.get_name();
target_received_evt.notify(sc_core::SC_ZERO_TIME);
phase = tlm::nw::RESPONSE;
return tlm::TLM_UPDATED;
}
throw std::runtime_error("illegal request in forward path");
}
tlm::tlm_sync_enum nb_transport_bw(transaction_type& trans, phase_type& phase, sc_core::sc_time& t) override {
if(phase==tlm::nw::CONFIRM) {
return tlm::TLM_ACCEPTED;
}
throw std::runtime_error("illegal response in backward path");
}
unsigned int transport_dbg(transaction_type& trans) override {
return 0;
}
sc_core::sc_event target_received_evt;
};
int sc_main(int sc_argc, char* sc_argv[]) {
scc::init_logging(scc::log::INFO);
scc::configurer cfg("");
scc::tracer trc("cxs_tlm");
testbench tb("tb");
sc_core::sc_start();
SCCINFO("sc_main") << "End Simulation.";
return sc_core::sc_report_handler::get_count(sc_core::SC_ERROR) + sc_core::sc_report_handler::get_count(sc_core::SC_WARNING);
} // End of 'sc_main'