/*
 * 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.
 */

#include "mem/ruby/filters/NonCountingBloomFilter.hh"

#include "base/bitfield.hh"
#include "params/NonCountingBloomFilter.hh"

NonCountingBloomFilter::NonCountingBloomFilter(
    const NonCountingBloomFilterParams* p)
    : AbstractBloomFilter(p), skipBits(p->skip_bits)
{
}

NonCountingBloomFilter::~NonCountingBloomFilter()
{
}

void
NonCountingBloomFilter::merge(const AbstractBloomFilter *other)
{
    auto* cast_other = static_cast<const NonCountingBloomFilter*>(other);
    assert(filter.size() == cast_other->filter.size());
    for (int i = 0; i < filter.size(); ++i){
        filter[i] |= cast_other->filter[i];
    }
}

void
NonCountingBloomFilter::set(Addr addr)
{
    filter[hash(addr)] = 1;
}

void
NonCountingBloomFilter::unset(Addr addr)
{
    filter[hash(addr)] = 0;
}

int
NonCountingBloomFilter::getCount(Addr addr) const
{
    return filter[hash(addr)];
}

int
NonCountingBloomFilter::hash(Addr addr) const
{
    return bits(addr, offsetBits + skipBits + sizeBits - 1, offsetBits + skipBits);
}

NonCountingBloomFilter*
NonCountingBloomFilterParams::create()
{
    return new NonCountingBloomFilter(this);
}
