DataBlock.hh revision 7039
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 297039Snate@binkert.org#ifndef __MEM_RUBY_COMMON_DATABLOCK_HH__ 307039Snate@binkert.org#define __MEM_RUBY_COMMON_DATABLOCK_HH__ 316145Snate@binkert.org 327002Snate@binkert.org#include <iomanip> 337002Snate@binkert.org#include <iostream> 347002Snate@binkert.org 357039Snate@binkert.org#include "mem/gems_common/Vector.hh" 366154Snate@binkert.org#include "mem/ruby/common/Global.hh" 376285Snate@binkert.org#include "mem/ruby/system/System.hh" 386145Snate@binkert.org 397039Snate@binkert.orgclass DataBlock 407039Snate@binkert.org{ 417039Snate@binkert.org public: 427039Snate@binkert.org DataBlock() 437039Snate@binkert.org { 447039Snate@binkert.org alloc(); 457039Snate@binkert.org } 466145Snate@binkert.org 477039Snate@binkert.org DataBlock(const DataBlock &cp) 487039Snate@binkert.org { 497039Snate@binkert.org m_data = new uint8[RubySystem::getBlockSizeBytes()]; 507039Snate@binkert.org memcpy(m_data, cp.m_data, RubySystem::getBlockSizeBytes()); 517039Snate@binkert.org m_alloc = true; 526762SBrad.Beckmann@amd.com } 536285Snate@binkert.org 547039Snate@binkert.org ~DataBlock() 557039Snate@binkert.org { 567039Snate@binkert.org if (m_alloc) 577039Snate@binkert.org delete [] m_data; 587039Snate@binkert.org } 596145Snate@binkert.org 607039Snate@binkert.org DataBlock& operator=(const DataBlock& obj); 616285Snate@binkert.org 627039Snate@binkert.org void assign(uint8* data); 636145Snate@binkert.org 647039Snate@binkert.org void clear(); 657039Snate@binkert.org uint8 getByte(int whichByte) const; 667039Snate@binkert.org const uint8* getData(int offset, int len) const; 677039Snate@binkert.org void setByte(int whichByte, uint8 data); 687039Snate@binkert.org void setData(uint8* data, int offset, int len); 697039Snate@binkert.org void copyPartial(const DataBlock & dblk, int offset, int len); 707039Snate@binkert.org bool equal(const DataBlock& obj) const; 717039Snate@binkert.org void print(std::ostream& out) const; 727039Snate@binkert.org 737039Snate@binkert.org private: 747039Snate@binkert.org void alloc(); 757039Snate@binkert.org uint8* m_data; 767039Snate@binkert.org bool m_alloc; 776145Snate@binkert.org}; 786145Snate@binkert.org 797039Snate@binkert.orginline void 807039Snate@binkert.orgDataBlock::assign(uint8* data) 816285Snate@binkert.org{ 827039Snate@binkert.org if (m_alloc) { 837039Snate@binkert.org delete [] m_data; 847039Snate@binkert.org } 857039Snate@binkert.org m_data = data; 867039Snate@binkert.org m_alloc = false; 876285Snate@binkert.org} 886285Snate@binkert.org 897039Snate@binkert.orginline void 907039Snate@binkert.orgDataBlock::alloc() 916285Snate@binkert.org{ 927039Snate@binkert.org m_data = new uint8[RubySystem::getBlockSizeBytes()]; 937039Snate@binkert.org m_alloc = true; 947039Snate@binkert.org clear(); 956285Snate@binkert.org} 966285Snate@binkert.org 977039Snate@binkert.orginline void 987039Snate@binkert.orgDataBlock::clear() 996285Snate@binkert.org{ 1007039Snate@binkert.org memset(m_data, 0, RubySystem::getBlockSizeBytes()); 1016285Snate@binkert.org} 1026285Snate@binkert.org 1037039Snate@binkert.orginline bool 1047039Snate@binkert.orgDataBlock::equal(const DataBlock& obj) const 1056285Snate@binkert.org{ 1067039Snate@binkert.org return !memcmp(m_data, obj.m_data, RubySystem::getBlockSizeBytes()); 1076285Snate@binkert.org} 1086285Snate@binkert.org 1097039Snate@binkert.orginline void 1107039Snate@binkert.orgDataBlock::print(std::ostream& out) const 1116285Snate@binkert.org{ 1127039Snate@binkert.org using namespace std; 1137002Snate@binkert.org 1147039Snate@binkert.org int size = RubySystem::getBlockSizeBytes(); 1157039Snate@binkert.org out << "[ "; 1167039Snate@binkert.org for (int i = 0; i < size; i++) { 1177039Snate@binkert.org out << setw(2) << setfill('0') << hex << "0x" << (int)m_data[i] << " "; 1187039Snate@binkert.org out << setfill(' '); 1197039Snate@binkert.org } 1207039Snate@binkert.org out << dec << "]" << flush; 1216285Snate@binkert.org} 1226285Snate@binkert.org 1237039Snate@binkert.orginline uint8 1247039Snate@binkert.orgDataBlock::getByte(int whichByte) const 1256285Snate@binkert.org{ 1267039Snate@binkert.org return m_data[whichByte]; 1276285Snate@binkert.org} 1286285Snate@binkert.org 1297039Snate@binkert.orginline const uint8* 1307039Snate@binkert.orgDataBlock::getData(int offset, int len) const 1316285Snate@binkert.org{ 1327039Snate@binkert.org assert(offset + len <= RubySystem::getBlockSizeBytes()); 1337039Snate@binkert.org return &m_data[offset]; 1346285Snate@binkert.org} 1356285Snate@binkert.org 1367039Snate@binkert.orginline void 1377039Snate@binkert.orgDataBlock::setByte(int whichByte, uint8 data) 1386285Snate@binkert.org{ 1396285Snate@binkert.org m_data[whichByte] = data; 1406285Snate@binkert.org} 1416285Snate@binkert.org 1427039Snate@binkert.orginline void 1437039Snate@binkert.orgDataBlock::setData(uint8* data, int offset, int len) 1446285Snate@binkert.org{ 1457039Snate@binkert.org assert(offset + len <= RubySystem::getBlockSizeBytes()); 1467039Snate@binkert.org memcpy(&m_data[offset], data, len); 1476285Snate@binkert.org} 1486285Snate@binkert.org 1497039Snate@binkert.orginline void 1507039Snate@binkert.orgDataBlock::copyPartial(const DataBlock & dblk, int offset, int len) 1516285Snate@binkert.org{ 1527039Snate@binkert.org setData(&dblk.m_data[offset], offset, len); 1536285Snate@binkert.org} 1546145Snate@binkert.org 1557039Snate@binkert.orginline std::ostream& 1567039Snate@binkert.orgoperator<<(std::ostream& out, const DataBlock& obj) 1576145Snate@binkert.org{ 1587039Snate@binkert.org obj.print(out); 1597039Snate@binkert.org out << std::flush; 1607039Snate@binkert.org return out; 1616145Snate@binkert.org} 1626145Snate@binkert.org 1637039Snate@binkert.orginline bool 1647039Snate@binkert.orgoperator==(const DataBlock& obj1,const DataBlock& obj2) 1656145Snate@binkert.org{ 1667039Snate@binkert.org return obj1.equal(obj2); 1676145Snate@binkert.org} 1686145Snate@binkert.org 1697039Snate@binkert.org#endif // __MEM_RUBY_COMMON_DATABLOCK_HH__ 170