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+/*
+ * Copyright (c) 2012 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder. You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * Copyright (c) 2001-2005 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.
+ *
+ * Authors: Ron Dreslinski
+ * Andreas Hansson
+ */
+
+/**
+ * @file
+ * SimpleMemory declaration
+ */
+
+#ifndef __SIMPLE_MEMORY_HH__
+#define __SIMPLE_MEMORY_HH__
+
+#include "mem/abstract_mem.hh"
+#include "mem/tport.hh"
+#include "params/SimpleMemory.hh"
+
+/**
+ * The simple memory is a basic multi-ported memory with an infinite
+ * throughput and a fixed latency, potentially with a variance added
+ * to it. It uses a SimpleTimingPort to implement the timing accesses.
+ */
+class SimpleMemory : public AbstractMemory
+{
+
+ private:
+
+ class MemoryPort : public SimpleTimingPort
+ {
+ SimpleMemory& memory;
+
+ public:
+
+ MemoryPort(const std::string& _name, SimpleMemory& _memory);
+
+ protected:
+
+ virtual Tick recvAtomic(PacketPtr pkt);
+
+ virtual void recvFunctional(PacketPtr pkt);
+
+ virtual AddrRangeList getAddrRanges();
+
+ };
+
+ std::vector<MemoryPort*> ports;
+
+ Tick lat;
+ Tick lat_var;
+
+ public:
+
+ typedef SimpleMemoryParams Params;
+ SimpleMemory(const Params *p);
+ virtual ~SimpleMemory() { }
+
+ unsigned int drain(Event* de);
+
+ virtual SlavePort& getSlavePort(const std::string& if_name, int idx = -1);
+ virtual void init();
+
+ const Params *
+ params() const
+ {
+ return dynamic_cast<const Params *>(_params);
+ }
+
+ protected:
+
+ Tick doAtomicAccess(PacketPtr pkt);
+ void doFunctionalAccess(PacketPtr pkt);
+ virtual Tick calculateLatency(PacketPtr pkt);
+
+};
+
+#endif //__SIMPLE_MEMORY_HH__