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diff --git a/src/arch/generic/interrupts.hh b/src/arch/generic/interrupts.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_GENERIC_INTERRUPTS_HH__
+#define __ARCH_GENERIC_INTERRUPTS_HH__
+
+#include "params/BaseInterrupts.hh"
+#include "sim/sim_object.hh"
+
+class ThreadContext;
+class BaseCPU;
+
+class BaseInterrupts : public SimObject
+{
+  protected:
+    BaseCPU *cpu;
+
+  public:
+    typedef BaseInterruptsParams Params;
+
+    BaseInterrupts(Params *p) : SimObject(p) {}
+
+    virtual void setCPU(BaseCPU * newCPU) = 0;
+
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
+
+    /*
+     * Functions for retrieving interrupts for the CPU to handle.
+     */
+
+    /*
+     * Return whether there are any interrupts waiting to be recognized.
+     */
+    virtual bool checkInterrupts(ThreadContext *tc) const = 0;
+    /*
+     * Return an interrupt to process. This should return an interrupt exactly
+     * when checkInterrupts returns true.
+     */
+    virtual Fault getInterrupt(ThreadContext *tc) = 0;
+    /*
+     * Update interrupt related state after an interrupt has been processed.
+     */
+    virtual void updateIntrInfo(ThreadContext *tc) = 0;
+
+    /*
+     * Old functions needed for compatability but which will be phased out
+     * eventually.
+     */
+    virtual void
+    post(int int_num, int index)
+    {
+        panic("Interrupts::post unimplemented!\n");
+    }
+
+    virtual void
+    clear(int int_num, int index)
+    {
+        panic("Interrupts::clear unimplemented!\n");
+    }
+
+    virtual void
+    clearAll()
+    {
+        panic("Interrupts::clearAll unimplemented!\n");
+    }
+};
+
+#endif // __ARCH_GENERIC_INTERRUPTS_HH__