extends cxs_tlm test to support tracing

.envrc

@@ -1,4 +1,8 @@
-module load ./Modulefile
+module load tools/utilities
+module load tools/cmake/3.28
+module load tools/clang/14.0
+module load tools/vscode
+
 distro=`/bin/lsb_release -i -s`
 if [ $distro == "CentOS" ]; then 
     . /opt/rh/devtoolset-8/enable

.gitignore

@@ -48,3 +48,4 @@
 /.venv/
 /.cache
 /CMakeUserPresets.json
+*.scview

.vscode/launch.json

@@ -3,20 +3,36 @@
   // Hover to view descriptions of existing attributes.
   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
-    "configurations": [{
+  "configurations": [
+    {
       "name": "cci_param_restricted",
       "type": "gdb",
       "request": "launch",
       "cwd": "${workspaceRoot}",
       "program": "${workspaceRoot}/build/Debug/tests/cci_param_restricted/cci_param_restricted",
       "preLaunchTask": "CMake: build"
-      },{
+    },
+    {
       "name": "dmi_access",
       "type": "gdb",
       "request": "launch",
       "cwd": "${workspaceRoot}",
       "program": "${workspaceRoot}/build/Debug/tests/memory_subsys/memory_subsys",
       "preLaunchTask": "CMake: build"
+    },
+    {
+      "name": "cxs_tlm",
+      "type": "gdb",
+      "request": "launch",
+      "cwd": "${workspaceRoot}",
+      "program": "${workspaceRoot}/build/Debug/tests/cxs_tlm/cxs_tlm",
+      "arguments": "-n single-packet",
+      "preLaunchTask": "CMake: build",
+      "environment": {
+        "SCC_TEST_TRACE": "1",
+        "SCC_TEST_VERBOSE": "1"
+      },
+      "openGdbConsole": true
     }
   ]
 }

.vscode/settings.json

@@ -11,8 +11,8 @@
         "--background-index",
         "--compile-commands-dir=${workspaceFolder}/build"
     ],
-    "cmake.buildDirectory" : "${workspaceRoot}/build/${buildType}",
-    "cmake.configureArgs": ["-B", "${workspaceRoot}/build/${buildType}"],
+    "cmake.buildDirectory": "${workspaceRoot}/build/${buildType}",
+    //"cmake.configureArgs": ["-B", "${workspaceRoot}/build/${buildType}"],
     "cmake.configureOnOpen": false,
     "cmake.configureOnEdit": true,
     "cmake.autoSelectActiveFolder": true,
@@ -21,8 +21,12 @@
     "cmake.copyCompileCommands": "${workspaceFolder}/build/compile_commands.json",
     "cmake.options.statusBarVisibility": "hidden",
     "cmake.options.advanced": {
-        "configure": {"projectStatusVisibility": "visible"},
-        "build": {"statusBarVisibility": "visible"}
+        "configure": {
+            "projectStatusVisibility": "visible"
+        },
+        "build": {
+            "statusBarVisibility": "visible"
+        }
     },
     "todo-tree.ripgrep.ripgrep": "/bin/rg",
     "files.watcherExclude": {

Modulefile

@@ -1,17 +0,0 @@
-#%Module######################################################################
-##
-##      Project Module
-##
-proc ModulesHelp { } {
-  puts stderr "\tThe SCC Tests Project Module\n"
-  puts stderr "\tThis module loads PATHs and variables for SCC tests."
-}
-
-set distro [exec /usr/bin/lsb_release -i -s]
-if { $distro == "CentOS" && ![info exists ::env(PROJECT)] && ![info exists ::env(PCP_DIR)] } {
-    puts stderr     "Don't forget to execute 'scl enable devtoolset-7 llvm-toolset-7 bash'"
-}
-
-module load tools/utilities
-module load tools/cmake/3.28
-module load tools/clang/14.0

src/sc_main.cpp

@@ -10,6 +10,7 @@
 #include <csetjmp>
 #include <csignal>
 #include <cstdlib>
+#include <scc/configurer.h>
 #include <scc/report.h>
 #include <scc/trace.h>
 #include <scc/tracer.h>
@@ -27,10 +28,12 @@ int sc_main(int argc, char* argv[]) {
     auto level = getenv("SCC_TEST_VERBOSE");
     auto log_lvl = level ? static_cast<scc::log>(std::min(strtoul(level, nullptr, 10) + 4, 7UL)) : log::FATAL;
     scc::init_logging(LogConfig().logLevel(log_lvl).logAsync(false).msgTypeFieldWidth(35));
+    scc::configurer cfg("");
     // create tracer if environment variable SCC_TEST_TRACE is defined
     std::unique_ptr<scc::tracer> tracer;
     if(auto* test_trace = getenv("SCC_TEST_TRACE")) {
         tracer = std::make_unique<scc::tracer>(my_name, scc::tracer::ENABLE, scc::tracer::ENABLE);
+        cfg.set_value("scc_tracer.default_trace_enable", true);
     }
     int result = -1;
     if(setjmp(abrt) == 0) {

tests/cxs_tlm/csx_packet_test.cpp

@@ -5,7 +5,6 @@
 #undef CHECK
 #include <catch2/catch_all.hpp>
 #include <deque>
-#include <unordered_map>
 
 using namespace sc_core;
 namespace cxs {
@@ -17,6 +16,7 @@ template <unsigned WIDTH, typename STATE> unsigned run_scenario(STATE& state, un
     auto& dut = factory::get<testbench<WIDTH>>();
     if(burst_factor)
         dut.tx.burst_len.set_value(burst_factor);
+    dut.rx.max_credit.set_value(5);
     dut.rst.write(true);
     sc_start(state.reset_cycles * dut.clk.period());
     dut.rst.write(false);

tests/cxs_tlm/testbench.h

@@ -2,12 +2,12 @@
 #define _TESTBENCH_H_
 
 #include <cxs/cxs_tlm.h>
+#include <cxs/scv/tlm_recording.h>
 #include <scc/cci_util.h>
 #include <scc/configurer.h>
 #include <scc/observer.h>
 #include <scc/sc_variable.h>
 #include <scc/tracer.h>
-#include <string>
 #include <systemc>
 #include <tlm/nw/initiator_mixin.h>
 #include <tlm/nw/target_mixin.h>
@@ -27,7 +27,9 @@ template <unsigned PHIT_WIDTH> struct testbench : public sc_core::sc_module {
     sc_core::sc_signal<bool> rst{"rst"};
     tlm::nw::initiator_mixin<cxs_pkt_initiator_socket<>, cxs_packet_types> isck{"isck"};
     cxs_transmitter<PHIT_WIDTH> tx{"tx"};
+    tlm::nw::scv::tlm_recorder_module<CXS_CMD, PHIT_WIDTH, cxs_flit_types> tx_rec{"tx_rec"};
     cxs_channel<PHIT_WIDTH> cxs_chan{"cxs_chan"};
+    tlm::nw::scv::tlm_recorder_module<CXS_CMD, PHIT_WIDTH, cxs_flit_types> rx_rec{"rx_rec"};
     cxs_receiver<PHIT_WIDTH> rx{"rx"};
     tlm::nw::target_mixin<cxs_pkt_target_socket<>, false, cxs_packet_types> tsck{"tsck"};
 
@@ -43,12 +45,25 @@ template <unsigned PHIT_WIDTH> struct testbench : public sc_core::sc_module {
         isck(tx.tsck);
         tx.clk_i(clk);
         tx.rst_i(rst);
+        cxs_chan.tx_clk_i(clk);
+        cxs_chan.rx_clk_i(clk);
+#if 0
         tx.isck(cxs_chan.tsck);
         cxs_chan.isck(rx.tsck);
+#else
+        tx.isck(tx_rec.ts);
+        tx_rec.is(cxs_chan.tsck);
+        cxs_chan.isck(rx_rec.ts);
+        rx_rec.is(rx.tsck);
+#endif
         rx.clk_i(clk);
         rx.rst_i(rst);
         rx.isck(tsck);
+        tx.clock_period.set_value(1_ns);
+        cxs_chan.tx_clock_period.set_value(1_ns);
         cxs_chan.channel_delay.set_value(100_ns);
+        cxs_chan.rx_clock_period.set_value(1_ns);
+        rx.clock_period.set_value(1_ns);
         rx.max_credit.set_value(15);
     }