DataBlock.cc revision 9208
16288Snate@binkert.org/* 26288Snate@binkert.org * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 36288Snate@binkert.org * All rights reserved. 46288Snate@binkert.org * 56288Snate@binkert.org * Redistribution and use in source and binary forms, with or without 66288Snate@binkert.org * modification, are permitted provided that the following conditions are 76288Snate@binkert.org * met: redistributions of source code must retain the above copyright 86288Snate@binkert.org * notice, this list of conditions and the following disclaimer; 96288Snate@binkert.org * redistributions in binary form must reproduce the above copyright 106288Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 116288Snate@binkert.org * documentation and/or other materials provided with the distribution; 126288Snate@binkert.org * neither the name of the copyright holders nor the names of its 136288Snate@binkert.org * contributors may be used to endorse or promote products derived from 146288Snate@binkert.org * this software without specific prior written permission. 156288Snate@binkert.org * 166288Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176288Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186288Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196288Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206288Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216288Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226288Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236288Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246288Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256288Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266288Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276288Snate@binkert.org */ 286145Snate@binkert.org 296154Snate@binkert.org#include "mem/ruby/common/DataBlock.hh" 308090Snilay@cs.wisc.edu#include "mem/ruby/system/System.hh" 318090Snilay@cs.wisc.edu 328090Snilay@cs.wisc.eduDataBlock::DataBlock(const DataBlock &cp) 338090Snilay@cs.wisc.edu{ 349208Snilay@cs.wisc.edu m_data = new uint8_t[RubySystem::getBlockSizeBytes()]; 358090Snilay@cs.wisc.edu memcpy(m_data, cp.m_data, RubySystem::getBlockSizeBytes()); 368090Snilay@cs.wisc.edu m_alloc = true; 378090Snilay@cs.wisc.edu} 388090Snilay@cs.wisc.edu 398090Snilay@cs.wisc.eduvoid 408090Snilay@cs.wisc.eduDataBlock::alloc() 418090Snilay@cs.wisc.edu{ 429208Snilay@cs.wisc.edu m_data = new uint8_t[RubySystem::getBlockSizeBytes()]; 438090Snilay@cs.wisc.edu m_alloc = true; 448090Snilay@cs.wisc.edu clear(); 458090Snilay@cs.wisc.edu} 468090Snilay@cs.wisc.edu 478090Snilay@cs.wisc.eduvoid 488090Snilay@cs.wisc.eduDataBlock::clear() 498090Snilay@cs.wisc.edu{ 508090Snilay@cs.wisc.edu memset(m_data, 0, RubySystem::getBlockSizeBytes()); 518090Snilay@cs.wisc.edu} 528090Snilay@cs.wisc.edu 538090Snilay@cs.wisc.edubool 548090Snilay@cs.wisc.eduDataBlock::equal(const DataBlock& obj) const 558090Snilay@cs.wisc.edu{ 568090Snilay@cs.wisc.edu return !memcmp(m_data, obj.m_data, RubySystem::getBlockSizeBytes()); 578090Snilay@cs.wisc.edu} 588090Snilay@cs.wisc.edu 598090Snilay@cs.wisc.eduvoid 608090Snilay@cs.wisc.eduDataBlock::print(std::ostream& out) const 618090Snilay@cs.wisc.edu{ 628090Snilay@cs.wisc.edu using namespace std; 638090Snilay@cs.wisc.edu 648090Snilay@cs.wisc.edu int size = RubySystem::getBlockSizeBytes(); 658090Snilay@cs.wisc.edu out << "[ "; 668090Snilay@cs.wisc.edu for (int i = 0; i < size; i++) { 678090Snilay@cs.wisc.edu out << setw(2) << setfill('0') << hex << "0x" << (int)m_data[i] << " "; 688090Snilay@cs.wisc.edu out << setfill(' '); 698090Snilay@cs.wisc.edu } 708090Snilay@cs.wisc.edu out << dec << "]" << flush; 718090Snilay@cs.wisc.edu} 728090Snilay@cs.wisc.edu 739208Snilay@cs.wisc.educonst uint8_t* 748090Snilay@cs.wisc.eduDataBlock::getData(int offset, int len) const 758090Snilay@cs.wisc.edu{ 768090Snilay@cs.wisc.edu assert(offset + len <= RubySystem::getBlockSizeBytes()); 778090Snilay@cs.wisc.edu return &m_data[offset]; 788090Snilay@cs.wisc.edu} 798090Snilay@cs.wisc.edu 808090Snilay@cs.wisc.eduvoid 819208Snilay@cs.wisc.eduDataBlock::setData(uint8_t *data, int offset, int len) 828090Snilay@cs.wisc.edu{ 838090Snilay@cs.wisc.edu assert(offset + len <= RubySystem::getBlockSizeBytes()); 848090Snilay@cs.wisc.edu memcpy(&m_data[offset], data, len); 858090Snilay@cs.wisc.edu} 866145Snate@binkert.org 876285Snate@binkert.orgDataBlock & 886285Snate@binkert.orgDataBlock::operator=(const DataBlock & obj) 896145Snate@binkert.org{ 909181Spower.jg@gmail.com memcpy(m_data, obj.m_data, RubySystem::getBlockSizeBytes()); 917039Snate@binkert.org return *this; 926145Snate@binkert.org} 93