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diff --git a/dev/baddev.hh b/dev/baddev.hh
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+/*
+ * Copyright (c) 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.
+ */
+
+/* @file
+ * This devices just panics when touched. For example if you have a
+ * kernel that touches the frame buffer which isn't allowed.
+ */
+
+#ifndef __BADDEV_HH__
+#define __BADDEV_HH__
+
+#include "base/range.hh"
+#include "dev/io_device.hh"
+
+/**
+ * BadDevice
+ * This device just panics when accessed. It is supposed to warn
+ * the user that the kernel they are running has unsupported
+ * options (i.e. frame buffer)
+ */
+class BadDevice : public PioDevice
+{
+  private:
+    Addr addr;
+    static const Addr size = 0xf;
+
+    std::string devname;
+
+  public:
+     /**
+      * Constructor for the Baddev Class.
+      * @param name name of the object
+      * @param a base address of the write
+      * @param mmu the memory controller
+      * @param hier object to store parameters universal the device hierarchy
+      * @param bus The bus that this device is attached to
+      * @param devicename device that is not implemented
+      */
+    BadDevice(const std::string &name, Addr a, MemoryController *mmu,
+              HierParams *hier, Bus *bus, const std::string &devicename);
+
+    /**
+      * On a read event we just panic aand hopefully print a
+      * meaningful error message.
+      * @param req Contains the address to read from.
+      * @param data A pointer to write the read data to.
+      * @return The fault condition of the access.
+      */
+    virtual Fault read(MemReqPtr &req, uint8_t *data);
+
+    /**
+      * On a write event we just panic aand hopefully print a
+      * meaningful error message.
+      * @param req Contains the address to write to.
+      * @param data The data to write.
+      * @return The fault condition of the access.
+      */
+    virtual Fault write(MemReqPtr &req, const uint8_t *data);
+
+    /**
+     * Return how long this access will take.
+     * @param req the memory request to calcuate
+     * @return Tick when the request is done
+     */
+    Tick cacheAccess(MemReqPtr &req);
+};
+
+#endif // __BADDEV_HH__