1 files changed, 71 insertions, 0 deletions
diff --git a/util/systemc/systemc_within_gem5/systemc_simple_object/feeder.hh b/util/systemc/systemc_within_gem5/systemc_simple_object/feeder.hh
new file mode 100644
index 000000000..9d2cbcb24
--- /dev/null
+++ b/util/systemc/systemc_within_gem5/systemc_simple_object/feeder.hh
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2018 Google, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __SYSTEMC_SIMPLE_OBJECT_FEEDER_HH__
+#define __SYSTEMC_SIMPLE_OBJECT_FEEDER_HH__
+
+#include <string>
+#include <vector>
+
+#include "sim/eventq.hh"
+#include "sim/sim_object.hh"
+#include "systemc_simple_object/printer.hh"
+
+// The "external" header interface for systemc is in systemc/ext and is what
+// a model which doesn't know anything about gem5 would use. This includes a
+// particular file from those headers, but alternatively we could include
+// systemc/ext/systemc or systemc/ext/systemc.h.
+#include "systemc/ext/channel/sc_buffer.hh"
+
+// This implementation (mostly) just uses standard gem5 mechanisms.
+class Gem5_FeederParams;
+
+class Feeder : public SimObject
+{
+  public:
+    Feeder(Gem5_FeederParams *params);
+
+    void feed();
+
+  private:
+    Printer *printer;
+    Tick delay;
+    std::vector<std::string> strings;
+    int index;
+
+    // SystemC types can be used in gem5 classes, but that should be avoided
+    // except to help interact with systemc objects/models.
+    sc_core::sc_buffer<const char *> buf;
+
+    EventWrapper<Feeder, &Feeder::feed> event;
+
+    void startup() override;
+};
+
+#endif // __SYSTEMC_SIMPLE_OBJECT_PRINTER_HH__