diff options
Diffstat (limited to 'src/mem/ruby/common/SubBlock.cc')
-rw-r--r-- | src/mem/ruby/common/SubBlock.cc | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/mem/ruby/common/SubBlock.cc b/src/mem/ruby/common/SubBlock.cc new file mode 100644 index 000000000..568d3106a --- /dev/null +++ b/src/mem/ruby/common/SubBlock.cc @@ -0,0 +1,81 @@ + +/* + * 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. + */ + +/* + * $Id$ + */ + +#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); + } +} + +SubBlock::SubBlock(const Address& addr, const Address& logicalAddress, int size) +{ + m_address = addr; + m_logicalAddress = logicalAddress; + 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++) { + data.setByte(offset+i, this->getByte(i)); // This will detect crossing a cache line boundary + } +} + +void SubBlock::print(ostream& out) const +{ + out << "[" << m_address << ", " << getSize() << ", " << m_data << "]"; +} + + + |