SubBlock.cc revision 6154
16145Snate@binkert.org 26145Snate@binkert.org/* 36145Snate@binkert.org * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 46145Snate@binkert.org * All rights reserved. 56145Snate@binkert.org * 66145Snate@binkert.org * Redistribution and use in source and binary forms, with or without 76145Snate@binkert.org * modification, are permitted provided that the following conditions are 86145Snate@binkert.org * met: redistributions of source code must retain the above copyright 96145Snate@binkert.org * notice, this list of conditions and the following disclaimer; 106145Snate@binkert.org * redistributions in binary form must reproduce the above copyright 116145Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 126145Snate@binkert.org * documentation and/or other materials provided with the distribution; 136145Snate@binkert.org * neither the name of the copyright holders nor the names of its 146145Snate@binkert.org * contributors may be used to endorse or promote products derived from 156145Snate@binkert.org * this software without specific prior written permission. 166145Snate@binkert.org * 176145Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 186145Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 196145Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 206145Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 216145Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 226145Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 236145Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 246145Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 256145Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 266145Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 276145Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 286145Snate@binkert.org */ 296145Snate@binkert.org 306145Snate@binkert.org/* 316145Snate@binkert.org * $Id$ 326145Snate@binkert.org */ 336145Snate@binkert.org 346154Snate@binkert.org#include "mem/ruby/common/SubBlock.hh" 356145Snate@binkert.org 366145Snate@binkert.orgSubBlock::SubBlock(const Address& addr, int size) 376145Snate@binkert.org{ 386145Snate@binkert.org m_address = addr; 396145Snate@binkert.org setSize(size); 406145Snate@binkert.org for(int i=0; i<size; i++) { 416145Snate@binkert.org setByte(i, 0); 426145Snate@binkert.org } 436145Snate@binkert.org} 446145Snate@binkert.org 456145Snate@binkert.orgSubBlock::SubBlock(const Address& addr, const Address& logicalAddress, int size) 466145Snate@binkert.org{ 476145Snate@binkert.org m_address = addr; 486145Snate@binkert.org m_logicalAddress = logicalAddress; 496145Snate@binkert.org setSize(size); 506145Snate@binkert.org for(int i=0; i<size; i++) { 516145Snate@binkert.org setByte(i, 0); 526145Snate@binkert.org } 536145Snate@binkert.org} 546145Snate@binkert.org 556145Snate@binkert.orgvoid SubBlock::internalMergeFrom(const DataBlock& data) 566145Snate@binkert.org{ 576145Snate@binkert.org int size = getSize(); 586145Snate@binkert.org assert(size > 0); 596145Snate@binkert.org int offset = m_address.getOffset(); 606145Snate@binkert.org for(int i=0; i<size; i++) { 616145Snate@binkert.org this->setByte(i, data.getByte(offset+i)); 626145Snate@binkert.org } 636145Snate@binkert.org} 646145Snate@binkert.org 656145Snate@binkert.orgvoid SubBlock::internalMergeTo(DataBlock& data) const 666145Snate@binkert.org{ 676145Snate@binkert.org int size = getSize(); 686145Snate@binkert.org assert(size > 0); 696145Snate@binkert.org int offset = m_address.getOffset(); 706145Snate@binkert.org for(int i=0; i<size; i++) { 716145Snate@binkert.org data.setByte(offset+i, this->getByte(i)); // This will detect crossing a cache line boundary 726145Snate@binkert.org } 736145Snate@binkert.org} 746145Snate@binkert.org 756145Snate@binkert.orgvoid SubBlock::print(ostream& out) const 766145Snate@binkert.org{ 776145Snate@binkert.org out << "[" << m_address << ", " << getSize() << ", " << m_data << "]"; 786145Snate@binkert.org} 796145Snate@binkert.org 806145Snate@binkert.org 816145Snate@binkert.org 82