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updates scc and adds burst packet handling

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Eyck Jentzsch
2024-12-19 17:33:46 +01:00
parent 2c18dd4d17
commit 9fcd203f87
3 changed files with 49 additions and 4 deletions
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2
scc

Submodule scc updated: 331b6d77ea...d6f2a80b1b

50
tests/cxs_tlm/csx_packet_test.cpp
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@@ -13,9 +13,10 @@ factory::add<testbench<256>> tb8;
factory::add<testbench<512>> tb9; factory::add<testbench<512>> tb9;
factory::add<testbench<1024>> tb10; factory::add<testbench<1024>> tb10;
template <unsigned WIDTH, typename STATE> unsigned run_scenario(STATE& state) { template <unsigned WIDTH, typename STATE> unsigned run_scenario(STATE& state, unsigned burst_factor = 0) {
auto& dut = factory::get<testbench<WIDTH>>(); auto& dut = factory::get<testbench<WIDTH>>();
if(burst_factor)
dut.tx.burst_len.set_value(burst_factor);
dut.rst.write(true); dut.rst.write(true);
sc_start(state.reset_cycles * dut.clk.period()); sc_start(state.reset_cycles * dut.clk.period());
dut.rst.write(false); dut.rst.write(false);
@@ -66,7 +67,7 @@ template <unsigned WIDTH, typename STATE> unsigned run_scenario(STATE& state) {
return cycles; return cycles;
} }
template <typename STATE> unsigned run_scenario(int width, STATE& state) { template <typename STATE> unsigned run_scenario(int width, STATE& state, unsigned burst_factor = 0) {
switch(width) { switch(width) {
case 8: case 8:
case 256: case 256:
@@ -124,4 +125,47 @@ TEST_CASE("multi-packet", "[CXS][tlm-level]") {
REQUIRE(state.resp_cnt == state.packet_sizes.size()); REQUIRE(state.resp_cnt == state.packet_sizes.size());
} }
} }
TEST_CASE("single-packet-burst2", "[CXS][tlm-level]") {
struct {
unsigned int reset_cycles{4};
unsigned int max_cycles = 5000;
std::vector<unsigned int> packet_sizes;
unsigned granularity{1};
unsigned resp_cnt{0};
} state;
state.packet_sizes.assign({4, 8, 16, 32, 64, 128, 256, 1024});
for(auto width = 8; width < 11; ++width) {
state.resp_cnt = 0;
auto cycles = run_scenario(width, state, 2);
REQUIRE(cycles < state.max_cycles);
REQUIRE(sc_report_handler::get_count(SC_ERROR) == 0);
REQUIRE(sc_report_handler::get_count(SC_WARNING) == 0);
REQUIRE(state.resp_cnt == state.packet_sizes.size());
}
}
TEST_CASE("multi-packet-burst2", "[CXS][tlm-level]") {
struct {
unsigned int reset_cycles{4};
unsigned int max_cycles = 5000;
std::vector<unsigned int> packet_sizes;
unsigned granularity{2};
unsigned resp_cnt{0};
} state;
state.packet_sizes.assign({4, 8, 16, 32, 16, 64, 16, 128, 16, 256, 16, 1024});
for(auto width = 8; width < 11; ++width) {
state.resp_cnt = 0;
auto cycles = run_scenario(width, state, 2);
REQUIRE(cycles < state.max_cycles);
REQUIRE(sc_report_handler::get_count(SC_ERROR) == 0);
REQUIRE(sc_report_handler::get_count(SC_WARNING) == 0);
REQUIRE(state.resp_cnt == state.packet_sizes.size());
}
}
} // namespace cxs } // namespace cxs

1
tests/cxs_tlm/testbench.h
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@@ -42,6 +42,7 @@ template <unsigned PHIT_WIDTH> struct testbench : public sc_core::sc_module {
[this](transaction_type& trans, phase_type& phase, sc_core::sc_time& t) { return this->nb_transport_fw(trans, phase, t); }); [this](transaction_type& trans, phase_type& phase, sc_core::sc_time& t) { return this->nb_transport_fw(trans, phase, t); });
isck(tx.tsck); isck(tx.tsck);
tx.clk_i(clk); tx.clk_i(clk);
tx.rst_i(rst);
tx.isck(cxs_chan.tsck); tx.isck(cxs_chan.tsck);
cxs_chan.isck(rx.tsck); cxs_chan.isck(rx.tsck);
rx.clk_i(clk); rx.clk_i(clk);