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diff --git a/sim/root.cc b/sim/root.cc
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+++ b/sim/root.cc
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+/*
+ * Copyright (c) 2002-2004 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * 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.
+ */
+
+#include <cstring>
+#include <fstream>
+#include <list>
+#include <string>
+#include <vector>
+
+#include "base/misc.hh"
+#include "base/output.hh"
+#include "sim/builder.hh"
+#include "sim/host.hh"
+#include "sim/sim_object.hh"
+#include "sim/root.hh"
+
+using namespace std;
+
+Tick curTick = 0;
+ostream *outputStream;
+ostream *configStream;
+
+/// The simulated frequency of curTick. (This is only here for a short time)
+Tick ticksPerSecond;
+
+namespace Clock {
+/// The simulated frequency of curTick. (In ticks per second)
+Tick Frequency;
+
+namespace Float {
+double s;
+double ms;
+double us;
+double ns;
+double ps;
+
+double Hz;
+double kHz;
+double MHz;
+double GHZ;
+/* namespace Float */ }
+
+namespace Int {
+Tick s;
+Tick ms;
+Tick us;
+Tick ns;
+Tick ps;
+/* namespace Float */ }
+
+/* namespace Clock */ }
+
+
+// Dummy Object
+class Root : public SimObject
+{
+  public:
+    Root(const std::string &name) : SimObject(name) {}
+};
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(Root)
+
+    Param<Tick> clock;
+    Param<string> output_file;
+
+END_DECLARE_SIM_OBJECT_PARAMS(Root)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(Root)
+
+    INIT_PARAM(clock, "tick frequency"),
+    INIT_PARAM(output_file, "file to dump simulator output to")
+
+END_INIT_SIM_OBJECT_PARAMS(Root)
+
+CREATE_SIM_OBJECT(Root)
+{
+    static bool created = false;
+    if (created)
+        panic("only one root object allowed!");
+
+    created = true;
+
+    outputStream = simout.find(output_file);
+    Root *root = new Root(getInstanceName());
+
+    using namespace Clock;
+    Frequency = clock;
+    Float::s = static_cast<double>(Frequency);
+    Float::ms = Float::s / 1.0e3;
+    Float::us = Float::s / 1.0e6;
+    Float::ns = Float::s / 1.0e9;
+    Float::ps = Float::s / 1.0e12;
+
+    Float::Hz  = 1.0 / Float::s;
+    Float::kHz = 1.0 / Float::ms;
+    Float::MHz = 1.0 / Float::us;
+    Float::GHZ = 1.0 / Float::ns;
+
+    Int::s  = Frequency;
+    Int::ms = Int::s / 1000;
+    Int::us = Int::ms / 1000;
+    Int::ns = Int::us / 1000;
+    Int::ps = Int::ns / 1000;
+
+    return root;
+}
+
+REGISTER_SIM_OBJECT("Root", Root)