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adds AHB pin level adapter tests

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This commit is contained in:
Eyck Jentzsch 2023-12-22 09:52:50 +01:00
parent 6ecd234c2c
commit 1f37801f05
10 changed files with 403 additions and 58 deletions
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2
.gitignore vendored
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@ -40,3 +40,5 @@
/*.vcd
/.venv/
/.pydevproject
/*.fst
/*.gtkw

1
.project
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@ -28,6 +28,5 @@
<nature>org.eclipse.cdt.core.ccnature</nature>
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
<nature>org.python.pydev.pythonNature</nature>
</natures>
</projectDescription>

2
scc

@ -1 +1 @@
Subproject commit 77a9f223d7dc8cf838d95155f6023385bd6fdd03
Subproject commit 94569eac10c4b8b5e3be6f8bcea7412b6e91396b

1
tests/CMakeLists.txt
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@ -1,5 +1,6 @@
add_subdirectory(io-redirector)
add_subdirectory(ordered_semaphore)
add_subdirectory(ahb_pin_level)
add_subdirectory(axi4_pin_level)
add_subdirectory(ace_pin_level)
add_subdirectory(configuration)

76
tests/ace_pin_level/ace_narrow_burst_test.cpp
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@ -10,20 +10,6 @@ using namespace sc_core;
factory::add<testbench> tb;
struct {
unsigned int ResetCycles{4};
unsigned int BurstLengthByte{16};
// unsigned int BurstLengthByte{32};
unsigned int BurstSizeBytes{8};
// unsigned int NumberOfIterations{8};
unsigned int NumberOfIterations{2};
unsigned int CachelineSizeBytes={64}; //
std::unordered_map<unsigned, std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>>> read_tx;
std::unordered_map<unsigned, std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>>> write_tx;
std::unordered_map<unsigned, std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>>> snoop_tx;
unsigned resp_cnt{0};
} state;
int snoop_id=0;
bool operator==(tlm::tlm_generic_payload const& a, tlm::tlm_generic_payload const& b){
@ -77,31 +63,6 @@ inline void randomize(tlm::tlm_generic_payload& gp) {
req_cnt++;
}
unsigned testbench::transport(tlm::tlm_generic_payload& trans) {
SCCDEBUG(__FUNCTION__)<<" update snoop trans, with snoop_id = " << snoop_id;
// SCCDEBUG(__FUNCTION__)<<" in transport with trans " << trans;
// extracting address and snoop_e from ac_trans and pack them into cache data trans
auto ac_address = trans.get_address();
auto ext = trans.get_extension<ace_extension>();
auto ac_snoop=ext->get_snoop();
for(size_t i = 0; i < trans.get_data_length(); ++i) {
*(trans.get_data_ptr() + i) = i % 2 ? i : 128;
}
//SCCDEBUG(__FUNCTION__)<<" vector size " <<state.snoop_tx[snoop_id].second.size();
state.snoop_tx[snoop_id].second.emplace_back(&trans);
/*
ext->set_snoop_data_transfer(true);
ext->set_snoop_error(false);
ext->set_pass_dirty(false);
ext->set_shared(false);
ext->set_snoop_was_unique(false);
*/
return 1;
}
template<typename STATE>
unsigned run_scenario(STATE& state){
auto& dut = factory::get<testbench>();
@ -120,6 +81,18 @@ unsigned run_scenario(STATE& state){
state.resp_cnt++;
return 0;
});
dut.transport_cb = [&state](tlm::tlm_generic_payload& trans) -> unsigned {
SCCDEBUG(__FUNCTION__)<<" update snoop trans, with snoop_id = " << snoop_id;
// extracting address and snoop_e from ac_trans and pack them into cache data trans
auto ac_address = trans.get_address();
auto ext = trans.get_extension<ace_extension>();
auto ac_snoop=ext->get_snoop();
for(size_t i = 0; i < trans.get_data_length(); ++i) {
*(trans.get_data_ptr() + i) = i % 2 ? i : 128;
}
state.snoop_tx[snoop_id].second.emplace_back(&trans);
return 1;
};
dut.rst.write(false);
sc_start(state.ResetCycles*dut.clk.period());
@ -201,6 +174,17 @@ unsigned run_scenario(STATE& state){
}
TEST_CASE("ace_burst_alignment", "[AXI][pin-level]") {
struct {
unsigned int ResetCycles{4};
unsigned int BurstLengthByte{16};
unsigned int BurstSizeBytes{8};
unsigned int NumberOfIterations{2};
unsigned int CachelineSizeBytes={64}; //
std::unordered_map<unsigned, std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>>> read_tx;
std::unordered_map<unsigned, std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>>> write_tx;
std::unordered_map<unsigned, std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>>> snoop_tx;
unsigned resp_cnt{0};
} state;
state.resp_cnt=0;
auto cycles = run_scenario(state);
@ -250,7 +234,19 @@ TEST_CASE("ace_burst_alignment", "[AXI][pin-level]") {
}
TEST_CASE("axi4_narrow_burst", "[AXI][pin-level]") {
TEST_CASE("ace_narrow_burst", "[AXI][pin-level]") {
struct {
unsigned int ResetCycles{4};
unsigned int BurstLengthByte{16};
unsigned int BurstSizeBytes{8};
unsigned int NumberOfIterations{2};
unsigned int CachelineSizeBytes={64}; //
std::unordered_map<unsigned, std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>>> read_tx;
std::unordered_map<unsigned, std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>>> write_tx;
std::unordered_map<unsigned, std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>>> snoop_tx;
unsigned resp_cnt{0};
} state;
state.resp_cnt=0;
auto cycles = run_scenario(state);

21
tests/ace_pin_level/testbench.h
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@ -27,14 +27,14 @@ public:
axi::ace_initiator_socket<bus_cfg::BUSWIDTH> intor{"ace_intor"};
axi::pin::ace_initiator<bus_cfg> intor_bfm{"ace_intor_bfm"};
// signal accurate bus
axi::aw_ch_ace<bus_cfg, axi::signal_types> aw;
axi::wdata_ch_ace<bus_cfg, axi::signal_types> wdata;
axi::b_ch_ace<bus_cfg, axi::signal_types> b;
axi::ar_ch_ace<bus_cfg, axi::signal_types> ar;
axi::rresp_ch_ace<bus_cfg, axi::signal_types> rresp;
axi::ac_ch_ace<bus_cfg, axi::signal_types> ac;
axi::cr_ch_ace<bus_cfg, axi::signal_types> cr;
axi::cd_ch_ace<bus_cfg, axi::signal_types> cd;
axi::aw_ace<bus_cfg, axi::signal_types> aw;
axi::wdata_ace<bus_cfg, axi::signal_types> wdata;
axi::b_ace<bus_cfg, axi::signal_types> b;
axi::ar_ace<bus_cfg, axi::signal_types> ar;
axi::rresp_ace<bus_cfg, axi::signal_types> rresp;
axi::ac_ace<bus_cfg, axi::signal_types> ac;
axi::cr_ace<bus_cfg, axi::signal_types> cr;
axi::cd_ace<bus_cfg, axi::signal_types> cd;
axi::pin::ace_target<bus_cfg> tgt_bfm{"ace_tgt_bfm"};
// target side
@ -93,9 +93,8 @@ public:
}
unsigned transport(tlm::tlm_generic_payload& trans) override ;
void run1() {
}
unsigned transport(tlm::tlm_generic_payload& trans) override { if(transport_cb) return transport_cb(trans); else return 0;}
std::function<unsigned(tlm::tlm_generic_payload&)> transport_cb;
};
#endif // _TESTBENCH_H_

9
tests/ahb_pin_level/CMakeLists.txt Normal file
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@ -0,0 +1,9 @@
project (ahb_pin_level)
add_executable(${PROJECT_NAME}
bus_test.cpp
${test_util_SOURCE_DIR}/sc_main.cpp
)
target_link_libraries (${PROJECT_NAME} PUBLIC test_util)
catch_discover_tests(${PROJECT_NAME})

260
tests/ahb_pin_level/bus_test.cpp Normal file
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@ -0,0 +1,260 @@
#include "testbench.h"
#include <factory.h>
#include <tlm/scc/tlm_gp_shared.h>
#undef CHECK
#include <catch2/catch_all.hpp>
#include <unordered_map>
using namespace sc_core;
using namespace ahb;
factory::add<testbench> tb;
bool operator==(tlm::tlm_generic_payload const& a, tlm::tlm_generic_payload const& b){
auto ret = true;
ret &= a.get_command() == b.get_command();
ret &= a.get_address() == b.get_address();
ret &= a.get_data_length() == b.get_data_length();
for(auto i=0u; i<a.get_data_length(); ++i)
ret &= a.get_data_ptr()[i] == b.get_data_ptr()[i];
// if(a.get_byte_enable_ptr() && b.get_byte_enable_ptr()) {
// ret &= a.get_byte_enable_length() == b.get_byte_enable_length();
// for(auto i=0u; i<a.get_byte_enable_length(); ++i)
// ret &= a.get_byte_enable_ptr()[i] == b.get_byte_enable_ptr()[i];
// }
ret &= a.get_command() == b.get_command();
//if(!ret) SCCWARN()<<"Comparison failed: "<<a<<" and "<<b;
return ret;
}
template<unsigned BUSWIDTH>
tlm::tlm_generic_payload* prepare_trans(uint64_t start_address, unsigned len, unsigned width) {
static unsigned id{0};
auto trans = tlm::scc::tlm_mm<>::get().allocate<ahb::ahb_extension>(len);
trans->set_address(start_address);
tlm::scc::setId(*trans, ++id);
auto ext = trans->get_extension<ahb::ahb_extension>();
trans->set_data_length(len);
trans->set_streaming_width(len);
ext->set_burst(ahb::burst_e::INCR);
return trans;
}
inline void randomize(tlm::tlm_generic_payload& gp) {
static uint8_t req_cnt{0};
auto addr = gp.get_address();
uint8_t const* src = reinterpret_cast<uint8_t const*>(&addr);
for(size_t i = 0; i < gp.get_data_length(); ++i) {
*(gp.get_data_ptr() + i) = i % 2 ? i : req_cnt;
}
req_cnt++;
}
template<typename STATE>
unsigned run_scenario(STATE& state, unsigned wait_states = 0){
auto& dut = factory::get<testbench>();
dut.tsck.register_b_transport([&state, wait_states](tlm::tlm_base_protocol_types::tlm_payload_type& trans, sc_core::sc_time& d) {
if(trans.is_read()) {
for(size_t i = 0; i < trans.get_data_length(); ++i) {
*(trans.get_data_ptr() + i) = i % 2 ? i : (state.resp_cnt+128);
}
state.read_tx.second.emplace_back(&trans);
}
if(trans.is_write())
state.write_tx.second.emplace_back(&trans);
SCCDEBUG(__FUNCTION__)<<"RX: "<<trans;
for(unsigned i=0; i<wait_states; ++i)
sc_core::wait(factory::get<testbench>().clk.posedge_event());
state.resp_cnt++;
return 0;
});
dut.rst_n.write(false);
sc_start(state.ResetCycles*dut.clk.period());
dut.rst_n.write(true);
sc_start(dut.clk.period());
dut.HSEL.write(true);
sc_start(dut.clk.period());
auto run1 = sc_spawn([&dut, &state](){
unsigned int StartAddr{0x0};
for(int i = 0; i < state.NumberOfIterations; ++i) {
tlm::scc::tlm_gp_shared_ptr trans = prepare_trans<testbench::DWIDTH>(StartAddr, state.BurstLengthByte, state.BurstSizeBytes);
trans->set_command(tlm::TLM_READ_COMMAND);
SCCDEBUG(__FUNCTION__) << "task run1, iteration " << i <<" TX: "<<*trans;
sc_core::sc_time d;
dut.isck->b_transport(*trans, d);
state.read_tx.first.emplace_back(trans);
StartAddr += state.BurstSizeBytes;
}
SCCDEBUG(__FUNCTION__) << "task run1 finished";
});
auto run2 = sc_spawn([&dut, &state](){
unsigned int StartAddr{0x2000};
for(int i = 0; i < state.NumberOfIterations; ++i) {
tlm::scc::tlm_gp_shared_ptr trans = prepare_trans<testbench::DWIDTH>(StartAddr, state.BurstLengthByte, state.BurstSizeBytes);
trans->set_command(tlm::TLM_WRITE_COMMAND);
randomize(*trans);
SCCDEBUG(__FUNCTION__) << "task run2, iteration " << i <<" TX: "<<*trans;
sc_core::sc_time d;
dut.isck->b_transport(*trans, d);
state.write_tx.first.emplace_back(trans);
StartAddr += state.BurstSizeBytes;
}
SCCDEBUG(__FUNCTION__) << "task run2 finished";
});
auto run3 = sc_spawn([&dut, &state](){
unsigned int StartAddr{0x1000};
for(int i = 0; i < state.NumberOfIterations; ++i) {
tlm::scc::tlm_gp_shared_ptr trans = prepare_trans<testbench::DWIDTH>(StartAddr, state.BurstLengthByte, state.BurstSizeBytes);
trans->set_command(tlm::TLM_READ_COMMAND);
SCCDEBUG(__FUNCTION__) << "task run3, iteration " << i <<" TX: "<<*trans;
sc_core::sc_time d;
dut.isck->b_transport(*trans, d);
state.read_tx.first.emplace_back(trans);
StartAddr += state.BurstSizeBytes;
}
SCCDEBUG(__FUNCTION__) << "task run3 finished";
});
auto run4 = sc_spawn([&dut, &state](){
unsigned int StartAddr{0x3000};
for(int i = 0; i < state.NumberOfIterations; ++i) {
tlm::scc::tlm_gp_shared_ptr trans = prepare_trans<testbench::DWIDTH>(StartAddr, state.BurstLengthByte, state.BurstSizeBytes);
trans->set_command(tlm::TLM_WRITE_COMMAND);
randomize(*trans);
SCCDEBUG(__FUNCTION__) << "task run4, iteration " << i <<" TX: "<<*trans;
sc_core::sc_time d;
dut.isck->b_transport(*trans, d);
state.write_tx.first.emplace_back(trans);
StartAddr += state.BurstSizeBytes;
}
SCCDEBUG(__FUNCTION__) << "task run4 finished";
});
unsigned cycles{0};
while(cycles<1000 && !(run1.terminated() && run2.terminated() && run3.terminated() && run4.terminated())){
sc_start(10 * dut.clk.period());
cycles+=10;
}
return cycles;
}
TEST_CASE("ahb_read_write", "[AHB][pin-level]") {
struct {
unsigned int ResetCycles{4};
unsigned int BurstLengthByte{4};
unsigned int BurstSizeBytes{4};
unsigned int NumberOfIterations{1};
std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>> read_tx;
std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>> write_tx;
unsigned resp_cnt{0};
} state;
auto cycles = run_scenario(state);
REQUIRE(cycles<1000);
REQUIRE(sc_report_handler::get_count(SC_ERROR) == 0);
REQUIRE(sc_report_handler::get_count(SC_WARNING) == 0);
REQUIRE(state.resp_cnt==4*state.NumberOfIterations);
{
auto& e = state.write_tx;
auto const& send_tx = e.first;
auto const& recv_tx = e.second;
REQUIRE(send_tx.size() == recv_tx.size());
for(auto i = 0; i<send_tx.size(); ++i) {
REQUIRE(send_tx[i]->get_response_status() == tlm::TLM_OK_RESPONSE);
CHECK(*send_tx[i] == *recv_tx[i]);
}
}
{
auto& e = state.read_tx;
auto const& send_tx = e.first;
auto const& recv_tx = e.second;
REQUIRE(send_tx.size() == recv_tx.size());
for(auto i = 0; i<send_tx.size(); ++i){
REQUIRE(send_tx[i]->get_response_status() == tlm::TLM_OK_RESPONSE);
CHECK(*send_tx[i] == *recv_tx[i]);
}
}
}
TEST_CASE("ahb_narrow_read_write", "[AHB][pin-level]") {
struct {
unsigned int ResetCycles{4};
unsigned int BurstLengthByte{1};
unsigned int BurstSizeBytes{1};
unsigned int NumberOfIterations{8};
std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>> read_tx;
std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>> write_tx;
unsigned resp_cnt{0};
} state;
auto cycles = run_scenario(state);
REQUIRE(cycles<1000);
REQUIRE(sc_report_handler::get_count(SC_ERROR) == 0);
REQUIRE(sc_report_handler::get_count(SC_WARNING) == 0);
REQUIRE(state.resp_cnt==4*state.NumberOfIterations);
{
auto& e = state.write_tx;
auto const& send_tx = e.first;
auto const& recv_tx = e.second;
REQUIRE(send_tx.size() == recv_tx.size());
for(auto i = 0; i<send_tx.size(); ++i)
CHECK(*send_tx[i] == *recv_tx[i]);
}
{
auto& e = state.read_tx;
auto const& send_tx = e.first;
auto const& recv_tx = e.second;
REQUIRE(send_tx.size() == recv_tx.size());
for(auto i = 0; i<send_tx.size(); ++i)
CHECK(*send_tx[i] == *recv_tx[i]);
}
}
TEST_CASE("ahb_delayed_read_write", "[AHB][pin-level]") {
struct {
unsigned int ResetCycles{4};
unsigned int BurstLengthByte{4};
unsigned int BurstSizeBytes{4};
unsigned int NumberOfIterations{2};
std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>> read_tx;
std::pair<std::vector<tlm::scc::tlm_gp_shared_ptr>, std::vector<tlm::scc::tlm_gp_shared_ptr>> write_tx;
unsigned resp_cnt{0};
} state;
auto cycles = run_scenario(state, 1);
REQUIRE(cycles<1000);
REQUIRE(sc_report_handler::get_count(SC_ERROR) == 0);
REQUIRE(sc_report_handler::get_count(SC_WARNING) == 0);
REQUIRE(state.resp_cnt==4*state.NumberOfIterations);
{
auto& e = state.write_tx;
auto const& send_tx = e.first;
auto const& recv_tx = e.second;
REQUIRE(send_tx.size() == recv_tx.size());
for(auto i = 0; i<send_tx.size(); ++i) {
REQUIRE(send_tx[i]->get_response_status() == tlm::TLM_OK_RESPONSE);
CHECK(*send_tx[i] == *recv_tx[i]);
}
}
{
auto& e = state.read_tx;
auto const& send_tx = e.first;
auto const& recv_tx = e.second;
REQUIRE(send_tx.size() == recv_tx.size());
for(auto i = 0; i<send_tx.size(); ++i){
REQUIRE(send_tx[i]->get_response_status() == tlm::TLM_OK_RESPONSE);
CHECK(*send_tx[i] == *recv_tx[i]);
}
}
}

79
tests/ahb_pin_level/testbench.h Normal file
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@ -0,0 +1,79 @@
#ifndef _TESTBENCH_H_
#define _TESTBENCH_H_
#include <ahb/pin/initiator.h>
#include <ahb/pin/target.h>
#include <scc.h>
using namespace sc_core;
class testbench : public sc_core::sc_module {
public:
enum { DWIDTH = 32};
sc_core::sc_time clk_period{10, sc_core::SC_NS};
sc_core::sc_clock clk{"clk", clk_period, 0.5, sc_core::SC_ZERO_TIME, true};
sc_core::sc_signal<bool> rst_n{"rst_n"};
// initiator side
tlm::scc::initiator_mixin<tlm::tlm_initiator_socket<DWIDTH>> isck{"isck"};
ahb::pin::initiator<DWIDTH> intor_bfm{"intor_bfm"};
// signal accurate bus
sc_core::sc_signal<sc_dt::sc_uint<32>> HADDR{"HADDR"};
sc_core::sc_signal<sc_dt::sc_uint<3>> HBURST{"HBURST"};
sc_core::sc_signal<bool> HMASTLOCK{"HMASTLOCK"};
sc_core::sc_signal<sc_dt::sc_uint<4>> HPROT{"HPROT"};
sc_core::sc_signal<sc_dt::sc_uint<3>> HSIZE{"HSIZE"};
sc_core::sc_signal<sc_dt::sc_uint<2>> HTRANS{"HTRANS"};
sc_core::sc_signal<sc_dt::sc_uint<DWIDTH>> HWDATA{"HWDATA"};
sc_core::sc_signal<bool> HWRITE{"HWRITE"};
sc_core::sc_signal<sc_dt::sc_uint<DWIDTH>> HRDATA{"HRDATA"};
sc_core::sc_signal<bool> HREADY{"HREADY"};
sc_core::sc_signal<bool> HRESP{"HRESP"};
sc_core::sc_signal<bool> HSEL{"HSEL"};
// target side
ahb::pin::target<DWIDTH, 32> tgt_bfm{"tgt_bfm"};
tlm::scc::target_mixin<tlm::tlm_target_socket<scc::LT>> tsck{"tsck"};
public:
SC_HAS_PROCESS(testbench);
testbench(): testbench("testbench") {}
testbench(sc_core::sc_module_name nm)
: sc_core::sc_module(nm) {
intor_bfm.HCLK_i(clk);
tgt_bfm.HCLK_i(clk);
// bfm to signals
isck(intor_bfm.tsckt);
intor_bfm.HRESETn_i(rst_n);
intor_bfm.HADDR_o(HADDR);
intor_bfm.HBURST_o(HBURST);
intor_bfm.HMASTLOCK_o(HMASTLOCK);
intor_bfm.HPROT_o(HPROT);
intor_bfm.HSIZE_o(HSIZE);
intor_bfm.HTRANS_o(HTRANS);
intor_bfm.HWDATA_o(HWDATA);
intor_bfm.HWRITE_o(HWRITE);
intor_bfm.HRDATA_i(HRDATA);
intor_bfm.HREADY_i(HREADY);
intor_bfm.HRESP_i(HRESP);
// signals to bfm
tgt_bfm.HRESETn_i(rst_n);
tgt_bfm.HADDR_i(HADDR);
tgt_bfm.HBURST_i(HBURST);
tgt_bfm.HMASTLOCK_i(HMASTLOCK);
tgt_bfm.HPROT_i(HPROT);
tgt_bfm.HSIZE_i(HSIZE);
tgt_bfm.HTRANS_i(HTRANS);
tgt_bfm.HWDATA_i(HWDATA);
tgt_bfm.HWRITE_i(HWRITE);
tgt_bfm.HSEL_i(HSEL);
tgt_bfm.HRDATA_o(HRDATA);
tgt_bfm.HREADY_o(HREADY);
tgt_bfm.HRESP_o(HRESP);
tgt_bfm.isckt(tsck);
}
void run1() {
}
};
#endif // _TESTBENCH_H_

10
tests/axi4_pin_level/testbench.h
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@ -24,11 +24,11 @@ public:
axi::scv::axi_recorder_module<bus_cfg::BUSWIDTH> intor_rec{"intor_rec"};
axi::pin::axi4_initiator<bus_cfg> intor_bfm{"intor_bfm"};
// signal accurate bus
axi::aw_ch<bus_cfg, axi::signal_types> aw;
axi::wdata_ch<bus_cfg, axi::signal_types> wdata;
axi::b_ch<bus_cfg, axi::signal_types> b;
axi::ar_ch<bus_cfg, axi::signal_types> ar;
axi::rresp_ch<bus_cfg, axi::signal_types> rresp;
axi::aw_axi<bus_cfg, axi::signal_types> aw;
axi::wdata_axi<bus_cfg, axi::signal_types> wdata;
axi::b_axi<bus_cfg, axi::signal_types> b;
axi::ar_axi<bus_cfg, axi::signal_types> ar;
axi::rresp_axi<bus_cfg, axi::signal_types> rresp;
axi::pin::axi4_target<bus_cfg> tgt_bfm{"tgt_bfm"};
// target side
axi::scv::axi_recorder_module<bus_cfg::BUSWIDTH> tgt_rec{"tgt_rec"};