1 files changed, 116 insertions, 0 deletions
diff --git a/src/sim/ticked_object.cc b/src/sim/ticked_object.cc
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+++ b/src/sim/ticked_object.cc
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+/*
+ * Copyright (c) 2013-2014 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * 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: Andrew Bardsley
+ */
+
+#include "sim/ticked_object.hh"
+
+Ticked::Ticked(ClockedObject &object_,
+    Stats::Scalar *imported_num_cycles,
+    Event::Priority priority) :
+    object(object_),
+    event(*this, priority),
+    running(false),
+    lastStopped(0),
+    /* Allocate numCycles if an external stat wasn't passed in */
+    numCyclesLocal((imported_num_cycles ? NULL : new Stats::Scalar)),
+    numCycles((imported_num_cycles ? *imported_num_cycles :
+        *numCyclesLocal))
+{ }
+
+void
+Ticked::regStats()
+{
+    if (numCyclesLocal) {
+        numCycles
+            .name(object.name() + ".tickCycles")
+            .desc("Number of cycles that the object ticked or was stopped");
+    }
+
+    tickCycles
+        .name(object.name() + ".tickCycles")
+        .desc("Number of cycles that the object actually ticked");
+
+    idleCycles
+        .name(object.name() + ".idleCycles")
+        .desc("Total number of cycles that the object has spent stopped");
+    idleCycles = numCycles - tickCycles;
+}
+
+void
+Ticked::serialize(std::ostream &os)
+{
+    uint64_t lastStoppedUint = lastStopped;
+
+    paramOut(os, "lastStopped", lastStoppedUint);
+}
+
+void
+Ticked::unserialize(Checkpoint *cp, const std::string &section)
+{
+    uint64_t lastStoppedUint;
+
+    paramIn(cp, section, "lastStopped", lastStoppedUint);
+
+    lastStopped = Cycles(lastStoppedUint);
+}
+
+TickedObject::TickedObject(TickedObjectParams *params,
+    Event::Priority priority) :
+    ClockedObject(params),
+    /* Make numCycles in Ticked */
+    Ticked(*this, NULL, priority)
+{ }
+
+void
+TickedObject::regStats()
+{
+    Ticked::regStats();
+}
+
+void
+TickedObject::serialize(std::ostream &os)
+{
+    Ticked::serialize(os);
+    ClockedObject::serialize(os);
+}
+void
+TickedObject::unserialize(Checkpoint *cp, const std::string &section)
+{
+    Ticked::unserialize(cp, section);
+    ClockedObject::unserialize(cp, section);
+}