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-
-/*
- * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
- * 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.
- */
-
-/*
- * LSB_CountingBloomFilter.h
- *
- * Description:
- *
- *
- */
-
-#ifndef LSB_COUNTING_BLOOM_FILTER_H
-#define LSB_COUNTING_BLOOM_FILTER_H
-
-#include "mem/gems_common/Map.hh"
-#include "mem/ruby/common/Global.hh"
-#include "mem/ruby/slicc_interface/AbstractChip.hh"
-#include "mem/ruby/config/RubyConfig.hh"
-#include "mem/ruby/common/Address.hh"
-#include "mem/ruby/system/AbstractBloomFilter.hh"
-
-class LSB_CountingBloomFilter : public AbstractBloomFilter {
-public:
-
- ~LSB_CountingBloomFilter();
- LSB_CountingBloomFilter(string config);
-
- void clear();
- void increment(const Address& addr);
- void decrement(const Address& addr);
- void merge(AbstractBloomFilter * other_filter);
- void set(const Address& addr);
- void unset(const Address& addr);
-
- bool isSet(const Address& addr);
- int getCount(const Address& addr);
- int getTotalCount();
- int getIndex(const Address& addr);
- int readBit(const int index);
- void writeBit(const int index, const int value);
-
- void print(ostream& out) const;
-
-private:
-
- int get_index(const Address& addr);
-
- Vector<int> m_filter;
- int m_filter_size;
- int m_filter_size_bits;
-
- int m_count_bits;
- int m_count;
-};
-
-
-#endif