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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.
*/
#include "mem/ruby/common/SubBlock.hh"
SubBlock::SubBlock(const Address& addr, int size)
{
m_address = addr;
setSize(size);
for (int i = 0; i < size; i++) {
setByte(i, 0);
}
}
void
SubBlock::internalMergeFrom(const DataBlock& data)
{
int size = getSize();
assert(size > 0);
int offset = m_address.getOffset();
for (int i = 0; i < size; i++) {
this->setByte(i, data.getByte(offset + i));
}
}
void
SubBlock::internalMergeTo(DataBlock& data) const
{
int size = getSize();
assert(size > 0);
int offset = m_address.getOffset();
for (int i = 0; i < size; i++) {
// This will detect crossing a cache line boundary
data.setByte(offset + i, this->getByte(i));
}
}
void
SubBlock::print(ostream& out) const
{
out << "[" << m_address << ", " << getSize() << ", " << m_data << "]";
}
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