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diff --git a/src/arch/arm/fastmodel/common/signal_receiver.hh b/src/arch/arm/fastmodel/common/signal_receiver.hh
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+/*
+ * Copyright 2019 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 __ARCH_ARM_FASTMODEL_COMMON_SIGNAL_RECEIVER_HH__
+#define __ARCH_ARM_FASTMODEL_COMMON_SIGNAL_RECEIVER_HH__
+
+#include <amba_pv.h>
+#include <functional>
+
+namespace FastModel
+{
+
+class SignalReceiver : public amba_pv::signal_slave_base<bool>
+{
+  public:
+    typedef std::function<void(bool)> OnChangeFunc;
+
+  private:
+    bool _state;
+    OnChangeFunc _onChange;
+
+  public:
+    amba_pv::signal_slave_export<bool> signal_in;
+
+    SignalReceiver(const char *name) : SignalReceiver(name, nullptr) {}
+
+    SignalReceiver(const char *name, OnChangeFunc on_change) :
+        amba_pv::signal_slave_base<bool>(name),
+        _state(false), _onChange(on_change)
+    {
+        signal_in.bind(*this);
+    }
+
+    void onChange(OnChangeFunc func) { _onChange = func; }
+
+    void
+    set_state(int export_id, const bool &new_state) override
+    {
+        if (new_state == _state)
+            return;
+
+        _state = new_state;
+        _onChange(_state);
+    }
+};
+
+} // namespace FastModel
+
+#endif // __ARCH_ARM_FASTMODEL_COMMON_SIGNAL_RECEIVER_HH__