systemc: Import tests from the Accellera systemc distribution.

Change-Id: Iad76b398949a55d768a34d027a2d8e3739953da6
Reviewed-on: https://gem5-review.googlesource.com/10845
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Gabe Black <gabeblack@google.com>

2 files changed, 92 insertions, 0 deletions

diff --git a/src/systemc/tests/systemc/tmp/others/is_unwinding_bug/golden/is_unwinding_bug.log b/src/systemc/tests/systemc/tmp/others/is_unwinding_bug/golden/is_unwinding_bug.log
new file mode 100644
index 000000000..e7d0691d0
--- /dev/null
+++ b/src/systemc/tests/systemc/tmp/others/is_unwinding_bug/golden/is_unwinding_bug.log
@@ -0,0 +1,12 @@
+SystemC Simulation
+Target called/reset at 0 s
+Target awoke at 10 ns
+Unwinding at 20 ns
+Target called/reset at 20 ns
+Target awoke at 30 ns
+Unwinding at 35 ns
+Target called/reset at 35 ns
+
+Info: /OSCI/SystemC: Simulation stopped by user.
+
+Success
diff --git a/src/systemc/tests/systemc/tmp/others/is_unwinding_bug/is_unwinding_bug.cpp b/src/systemc/tests/systemc/tmp/others/is_unwinding_bug/is_unwinding_bug.cpp
new file mode 100644
index 000000000..0dc33a59f
--- /dev/null
+++ b/src/systemc/tests/systemc/tmp/others/is_unwinding_bug/is_unwinding_bug.cpp
@@ -0,0 +1,80 @@
+// sync_reset_on/off
+
+#define SC_INCLUDE_DYNAMIC_PROCESSES
+
+#include <systemc>
+
+using namespace sc_core;
+using std::cout;
+using std::endl;
+
+struct M2: sc_module
+{
+  M2(sc_module_name _name)
+  {
+    SC_THREAD(ticker);
+    SC_THREAD(calling);
+    SC_THREAD(target);
+      t = sc_get_current_process_handle();
+  }
+  
+  sc_process_handle t;
+  sc_event ev;
+
+  void ticker()
+  {
+    for (;;)
+    {
+      wait(10, SC_NS);
+      ev.notify();
+    }
+  }
+   
+  void calling()
+  {
+    wait(15, SC_NS);
+
+    t.sync_reset_on();
+    wait(10, SC_NS);
+
+    t.sync_reset_off();
+    wait(10, SC_NS);
+
+    t.reset();
+    wait(SC_ZERO_TIME);
+    
+    sc_stop();
+  }
+
+  void target()
+  {
+    cout << "Target called/reset at " << sc_time_stamp() << endl;
+
+    for (;;)
+    {
+      try {
+        wait(ev);
+        cout << "Target awoke at " << sc_time_stamp() << endl;
+      }
+      catch (const sc_unwind_exception& ex) {
+        cout << "Unwinding at " << sc_time_stamp() << endl;
+        sc_assert( t.is_unwinding() );
+        sc_assert( sc_is_unwinding() );
+        throw ex;
+      }
+    }
+  }
+  
+  SC_HAS_PROCESS(M2);
+};
+
+int sc_main(int argc, char* argv[])
+{
+  M2 m("m");
+  
+  sc_start();
+  
+  cout << endl << "Success" << endl;
+  return 0;
+}
+