1 files changed, 145 insertions, 0 deletions
diff --git a/src/systemc/core/event.cc b/src/systemc/core/event.cc
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+/*
+ * 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
+ */
+
+#include "systemc/core/event.hh"
+
+#include <cstring>
+#include <utility>
+
+#include "systemc/core/module.hh"
+#include "systemc/core/scheduler.hh"
+
+namespace sc_gem5
+{
+
+Event::Event(sc_core::sc_event *_sc_event) : Event(_sc_event, "") {}
+
+Event::Event(sc_core::sc_event *_sc_event, const char *_basename) :
+    _sc_event(_sc_event), _basename(_basename)
+{
+    Module *p = currentModule();
+
+    if (p)
+        parent = p->obj()->sc_obj();
+    else if (scheduler.current())
+        parent = scheduler.current();
+
+    if (parent) {
+        Object *obj = Object::getFromScObject(parent);
+        parentIt = obj->addChildEvent(_sc_event);
+    } else {
+        parentIt = topLevelEvents.emplace(topLevelEvents.end(), _sc_event);
+    }
+
+    if (parent)
+        _name = std::string(parent->name()) + "." + _basename;
+    else
+        _name = _basename;
+
+    allEvents.emplace(allEvents.end(), _sc_event);
+
+    // Determine if we're in the hierarchy (created once initialization starts
+    // means no).
+}
+
+Event::~Event()
+{
+    if (parent) {
+        Object *obj = Object::getFromScObject(parent);
+        obj->delChildEvent(parentIt);
+    } else {
+        std::swap(*parentIt, topLevelEvents.back());
+        topLevelEvents.pop_back();
+    }
+
+    EventsIt it = findEvent(_name);
+    std::swap(*it, allEvents.back());
+    allEvents.pop_back();
+}
+
+const std::string &
+Event::name() const
+{
+    return _name;
+}
+
+const std::string &
+Event::basename() const
+{
+    return _basename;
+}
+
+bool
+Event::inHierarchy() const
+{
+    return _name.length() != 0;
+}
+
+sc_core::sc_object *
+Event::getParentObject() const
+{
+    return parent;
+}
+
+void
+Event::notify()
+{
+}
+
+void
+Event::notify(const sc_core::sc_time &t)
+{
+}
+
+void
+Event::cancel()
+{
+}
+
+bool
+Event::triggered() const
+{
+    return false;
+}
+
+Events topLevelEvents;
+Events allEvents;
+
+EventsIt
+findEvent(const std::string &name)
+{
+    EventsIt it;
+    for (it = allEvents.begin(); it != allEvents.end(); it++)
+        if (!strcmp((*it)->name(), name.c_str()))
+            break;
+
+    return it;
+}
+
+} // namespace sc_gem5