SubBlock.cc revision 7055:4e24742201d7
17019SBrad.Beckmann@amd.com/* 27019SBrad.Beckmann@amd.com * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 37019SBrad.Beckmann@amd.com * All rights reserved. 47019SBrad.Beckmann@amd.com * 57019SBrad.Beckmann@amd.com * Redistribution and use in source and binary forms, with or without 67019SBrad.Beckmann@amd.com * modification, are permitted provided that the following conditions are 77019SBrad.Beckmann@amd.com * met: redistributions of source code must retain the above copyright 87019SBrad.Beckmann@amd.com * notice, this list of conditions and the following disclaimer; 97019SBrad.Beckmann@amd.com * redistributions in binary form must reproduce the above copyright 107019SBrad.Beckmann@amd.com * notice, this list of conditions and the following disclaimer in the 117019SBrad.Beckmann@amd.com * documentation and/or other materials provided with the distribution; 127019SBrad.Beckmann@amd.com * neither the name of the copyright holders nor the names of its 137019SBrad.Beckmann@amd.com * contributors may be used to endorse or promote products derived from 147019SBrad.Beckmann@amd.com * this software without specific prior written permission. 157019SBrad.Beckmann@amd.com * 167019SBrad.Beckmann@amd.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 177019SBrad.Beckmann@amd.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 187019SBrad.Beckmann@amd.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 197019SBrad.Beckmann@amd.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 207019SBrad.Beckmann@amd.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 217019SBrad.Beckmann@amd.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 227019SBrad.Beckmann@amd.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 237019SBrad.Beckmann@amd.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 247019SBrad.Beckmann@amd.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 257019SBrad.Beckmann@amd.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 267019SBrad.Beckmann@amd.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 277019SBrad.Beckmann@amd.com */ 287019SBrad.Beckmann@amd.com 297019SBrad.Beckmann@amd.com#include "mem/ruby/common/SubBlock.hh" 306876Ssteve.reinhardt@amd.com 316876Ssteve.reinhardt@amd.comSubBlock::SubBlock(const Address& addr, int size) 326876Ssteve.reinhardt@amd.com{ 336876Ssteve.reinhardt@amd.com m_address = addr; 346876Ssteve.reinhardt@amd.com setSize(size); 35 for (int i = 0; i < size; i++) { 36 setByte(i, 0); 37 } 38} 39 40void 41SubBlock::internalMergeFrom(const DataBlock& data) 42{ 43 int size = getSize(); 44 assert(size > 0); 45 int offset = m_address.getOffset(); 46 for (int i = 0; i < size; i++) { 47 this->setByte(i, data.getByte(offset + i)); 48 } 49} 50 51void 52SubBlock::internalMergeTo(DataBlock& data) const 53{ 54 int size = getSize(); 55 assert(size > 0); 56 int offset = m_address.getOffset(); 57 for (int i = 0; i < size; i++) { 58 // This will detect crossing a cache line boundary 59 data.setByte(offset + i, this->getByte(i)); 60 } 61} 62 63void 64SubBlock::print(std::ostream& out) const 65{ 66 out << "[" << m_address << ", " << getSize() << ", " << m_data << "]"; 67} 68 69 70 71