SubBlock.cc revision 11049
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 297454Snate@binkert.org#include "base/stl_helpers.hh" 306154Snate@binkert.org#include "mem/ruby/common/SubBlock.hh" 316145Snate@binkert.org 327454Snate@binkert.orgusing m5::stl_helpers::operator<<; 337454Snate@binkert.org 3411025Snilay@cs.wisc.eduSubBlock::SubBlock(Addr addr, int size) 356145Snate@binkert.org{ 367039Snate@binkert.org m_address = addr; 377454Snate@binkert.org resize(size); 387039Snate@binkert.org for (int i = 0; i < size; i++) { 397039Snate@binkert.org setByte(i, 0); 407039Snate@binkert.org } 416145Snate@binkert.org} 426145Snate@binkert.org 437039Snate@binkert.orgvoid 4411049Snilay@cs.wisc.eduSubBlock::internalMergeFrom(const DataBlock& data) 456145Snate@binkert.org{ 467039Snate@binkert.org int size = getSize(); 477039Snate@binkert.org assert(size > 0); 4811025Snilay@cs.wisc.edu int offset = getOffset(m_address); 497039Snate@binkert.org for (int i = 0; i < size; i++) { 507039Snate@binkert.org this->setByte(i, data.getByte(offset + i)); 517039Snate@binkert.org } 526145Snate@binkert.org} 536145Snate@binkert.org 547039Snate@binkert.orgvoid 5511049Snilay@cs.wisc.eduSubBlock::internalMergeTo(DataBlock& data) const 566145Snate@binkert.org{ 577039Snate@binkert.org int size = getSize(); 587039Snate@binkert.org assert(size > 0); 5911025Snilay@cs.wisc.edu int offset = getOffset(m_address); 607039Snate@binkert.org for (int i = 0; i < size; i++) { 617039Snate@binkert.org // This will detect crossing a cache line boundary 627039Snate@binkert.org data.setByte(offset + i, this->getByte(i)); 637039Snate@binkert.org } 646145Snate@binkert.org} 656145Snate@binkert.org 667039Snate@binkert.orgvoid 677055Snate@binkert.orgSubBlock::print(std::ostream& out) const 686145Snate@binkert.org{ 697039Snate@binkert.org out << "[" << m_address << ", " << getSize() << ", " << m_data << "]"; 706145Snate@binkert.org} 7111049Snilay@cs.wisc.edu 7211049Snilay@cs.wisc.edu 7311049Snilay@cs.wisc.edu 74