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diff --git a/kern/linux/linux_system.hh b/kern/linux/linux_system.hh
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+/*
+ * Copyright (c) 2003 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.
+ */
+
+#ifndef __LINUX_SYSTEM_HH__
+#define __LINUX_SYSTEM_HH__
+
+#include <vector>
+
+#include "sim/system.hh"
+#include "sim/host.hh"
+#include "targetarch/isa_traits.hh"
+
+#include <map>
+
+/**
+ * MAGIC address where the kernel arguments should go. Defined as
+ * PARAM in linux kernel alpha-asm.
+ */
+const Addr PARAM_ADDR =  ULL(0xfffffc000030a000);
+
+class ExecContext;
+class ElfObject;
+class SymbolTable;
+
+class BreakPCEvent;
+class LinuxSkipDelayLoopEvent;
+class SkipFuncEvent;
+class FnEvent;
+class AlphaArguments;
+
+/**
+ * This class contains linux specific system code (Loading, Events, Binning).
+ * It points to objects that are the system binaries to load and patches them
+ * appropriately to work in simulator.
+ */
+class LinuxSystem : public System
+{
+  private:
+    /** Object pointer for the kernel code */
+    ElfObject *kernel;
+
+    /** Object pointer for the console code */
+    ElfObject *console;
+
+    /** kernel Symbol table */
+    SymbolTable *kernelSymtab;
+
+    /** console symbol table */
+    SymbolTable *consoleSymtab;
+
+    /** Event to halt the simulator if the kernel calls panic()  */
+    BreakPCEvent *kernelPanicEvent;
+
+    /** Event to halt the simulator if the console calls panic() */
+    BreakPCEvent *consolePanicEvent;
+
+    /** Event to skip determine_cpu_caches() because we don't support the
+     * IPRs that the code can access to figure out cache sizes
+     */
+    SkipFuncEvent *skipCacheProbeEvent;
+
+    /** PC based event to skip the ide_delay_50ms() call */
+    SkipFuncEvent *skipIdeDelay50msEvent;
+
+    /** Skip calculate_delay_loop() rather than waiting for this to be
+     * calculated
+     */
+    LinuxSkipDelayLoopEvent *skipDelayLoopEvent;
+
+    /** Begining of kernel code */
+    Addr kernelStart;
+
+    /** End of kernel code */
+    Addr kernelEnd;
+
+    /** Entry point in the kernel to start at */
+    Addr kernelEntry;
+
+    bool bin;
+    std::vector<string> binned_fns;
+
+  public:
+    std::vector<RemoteGDB *>   remoteGDB;
+    std::vector<GDBListener *> gdbListen;
+
+    LinuxSystem(const std::string _name,
+                const uint64_t _init_param,
+                MemoryController *_memCtrl,
+                PhysicalMemory *_physmem,
+                const std::string &kernel_path,
+                const std::string &console_path,
+                const std::string &palcode,
+                const std::string &boot_osflags,
+                const bool _bin,
+                const std::vector<std::string> &_binned_fns);
+
+    ~LinuxSystem();
+
+    void setDelayLoop(ExecContext *xc);
+
+    int registerExecContext(ExecContext *xc);
+    void replaceExecContext(ExecContext *xc, int xcIndex);
+
+    /**
+     * Returns the addess the kernel starts at.
+     * @return address the kernel starts at
+     */
+    Addr getKernelStart() const { return kernelStart; }
+
+    /**
+     * Returns the addess the kernel ends at.
+     * @return address the kernel ends at
+     */
+    Addr getKernelEnd() const { return kernelEnd; }
+
+    /**
+     * Returns the addess the entry point to the kernel code.
+     * @return entry point of the kernel code
+     */
+    Addr getKernelEntry() const { return kernelEntry; }
+
+
+    bool breakpoint();
+};
+
+#endif // __LINUX_SYSTEM_HH__