16145Snate@binkert.org/* 26145Snate@binkert.org * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 36145Snate@binkert.org * All rights reserved. 46145Snate@binkert.org * 56145Snate@binkert.org * Redistribution and use in source and binary forms, with or without 66145Snate@binkert.org * modification, are permitted provided that the following conditions are 76145Snate@binkert.org * met: redistributions of source code must retain the above copyright 86145Snate@binkert.org * notice, this list of conditions and the following disclaimer; 96145Snate@binkert.org * redistributions in binary form must reproduce the above copyright 106145Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 116145Snate@binkert.org * documentation and/or other materials provided with the distribution; 126145Snate@binkert.org * neither the name of the copyright holders nor the names of its 136145Snate@binkert.org * contributors may be used to endorse or promote products derived from 146145Snate@binkert.org * this software without specific prior written permission. 156145Snate@binkert.org * 166145Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176145Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186145Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196145Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206145Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216145Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226145Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236145Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246145Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256145Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266145Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276145Snate@binkert.org */ 286145Snate@binkert.org 2911793Sbrandon.potter@amd.com#include "mem/ruby/common/SubBlock.hh" 3011793Sbrandon.potter@amd.com 317454Snate@binkert.org#include "base/stl_helpers.hh" 326145Snate@binkert.org 337454Snate@binkert.orgusing m5::stl_helpers::operator<<; 347454Snate@binkert.org 3511025Snilay@cs.wisc.eduSubBlock::SubBlock(Addr addr, int size) 366145Snate@binkert.org{ 377039Snate@binkert.org m_address = addr; 387454Snate@binkert.org resize(size); 397039Snate@binkert.org for (int i = 0; i < size; i++) { 407039Snate@binkert.org setByte(i, 0); 417039Snate@binkert.org } 426145Snate@binkert.org} 436145Snate@binkert.org 447039Snate@binkert.orgvoid 4511049Snilay@cs.wisc.eduSubBlock::internalMergeFrom(const DataBlock& data) 466145Snate@binkert.org{ 477039Snate@binkert.org int size = getSize(); 487039Snate@binkert.org assert(size > 0); 4911025Snilay@cs.wisc.edu int offset = getOffset(m_address); 507039Snate@binkert.org for (int i = 0; i < size; i++) { 517039Snate@binkert.org this->setByte(i, data.getByte(offset + i)); 527039Snate@binkert.org } 536145Snate@binkert.org} 546145Snate@binkert.org 557039Snate@binkert.orgvoid 5611049Snilay@cs.wisc.eduSubBlock::internalMergeTo(DataBlock& data) const 576145Snate@binkert.org{ 587039Snate@binkert.org int size = getSize(); 597039Snate@binkert.org assert(size > 0); 6011025Snilay@cs.wisc.edu int offset = getOffset(m_address); 617039Snate@binkert.org for (int i = 0; i < size; i++) { 627039Snate@binkert.org // This will detect crossing a cache line boundary 637039Snate@binkert.org data.setByte(offset + i, this->getByte(i)); 647039Snate@binkert.org } 656145Snate@binkert.org} 666145Snate@binkert.org 677039Snate@binkert.orgvoid 687055Snate@binkert.orgSubBlock::print(std::ostream& out) const 696145Snate@binkert.org{ 707039Snate@binkert.org out << "[" << m_address << ", " << getSize() << ", " << m_data << "]"; 716145Snate@binkert.org} 7211049Snilay@cs.wisc.edu 7311049Snilay@cs.wisc.edu 7411049Snilay@cs.wisc.edu 75