DirectoryMemory.cc revision 6161
111308Santhony.gutierrez@amd.com 211308Santhony.gutierrez@amd.com/* 311308Santhony.gutierrez@amd.com * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 411308Santhony.gutierrez@amd.com * All rights reserved. 511308Santhony.gutierrez@amd.com * 611308Santhony.gutierrez@amd.com * Redistribution and use in source and binary forms, with or without 711308Santhony.gutierrez@amd.com * modification, are permitted provided that the following conditions are 811308Santhony.gutierrez@amd.com * met: redistributions of source code must retain the above copyright 911308Santhony.gutierrez@amd.com * notice, this list of conditions and the following disclaimer; 1011308Santhony.gutierrez@amd.com * redistributions in binary form must reproduce the above copyright 1111308Santhony.gutierrez@amd.com * notice, this list of conditions and the following disclaimer in the 1211308Santhony.gutierrez@amd.com * documentation and/or other materials provided with the distribution; 1311308Santhony.gutierrez@amd.com * neither the name of the copyright holders nor the names of its 1411308Santhony.gutierrez@amd.com * contributors may be used to endorse or promote products derived from 1511308Santhony.gutierrez@amd.com * this software without specific prior written permission. 1611308Santhony.gutierrez@amd.com * 1711308Santhony.gutierrez@amd.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1811308Santhony.gutierrez@amd.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1911308Santhony.gutierrez@amd.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2011308Santhony.gutierrez@amd.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2111308Santhony.gutierrez@amd.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2211308Santhony.gutierrez@amd.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2311308Santhony.gutierrez@amd.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2411308Santhony.gutierrez@amd.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2511308Santhony.gutierrez@amd.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2611308Santhony.gutierrez@amd.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2711308Santhony.gutierrez@amd.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2811308Santhony.gutierrez@amd.com */ 2911308Santhony.gutierrez@amd.com 3011308Santhony.gutierrez@amd.com/* 3111308Santhony.gutierrez@amd.com * DirectoryMemory.C 3211308Santhony.gutierrez@amd.com * 3311308Santhony.gutierrez@amd.com * Description: See DirectoryMemory.h 3411308Santhony.gutierrez@amd.com * 3511308Santhony.gutierrez@amd.com * $Id$ 3611308Santhony.gutierrez@amd.com * 3711308Santhony.gutierrez@amd.com */ 3811308Santhony.gutierrez@amd.com 3911308Santhony.gutierrez@amd.com#include "mem/ruby/system/System.hh" 4011308Santhony.gutierrez@amd.com#include "mem/ruby/common/Driver.hh" 4111308Santhony.gutierrez@amd.com#include "mem/ruby/system/DirectoryMemory.hh" 4211308Santhony.gutierrez@amd.com#include "mem/ruby/slicc_interface/RubySlicc_Util.hh" 4311308Santhony.gutierrez@amd.com#include "mem/ruby/config/RubyConfig.hh" 4411308Santhony.gutierrez@amd.com#include "mem/protocol/Chip.hh" 4511308Santhony.gutierrez@amd.com 4611308Santhony.gutierrez@amd.comDirectoryMemory::DirectoryMemory(Chip* chip_ptr, int version) 4711308Santhony.gutierrez@amd.com{ 4811308Santhony.gutierrez@amd.com m_chip_ptr = chip_ptr; 4911308Santhony.gutierrez@amd.com m_version = version; 5011308Santhony.gutierrez@amd.com // THIS DOESN'T SEEM TO WORK -- MRM 5111308Santhony.gutierrez@amd.com // m_size = RubyConfig::memoryModuleBlocks()/RubyConfig::numberOfDirectory(); 5211308Santhony.gutierrez@amd.com m_size = RubyConfig::memoryModuleBlocks(); 5311308Santhony.gutierrez@amd.com assert(m_size > 0); 5411308Santhony.gutierrez@amd.com /********************************************************************* 5511308Santhony.gutierrez@amd.com // allocates an array of directory entry pointers & sets them to NULL 5611308Santhony.gutierrez@amd.com m_entries = new Directory_Entry*[m_size]; 5711308Santhony.gutierrez@amd.com if (m_entries == NULL) { 5811308Santhony.gutierrez@amd.com ERROR_MSG("Directory Memory: unable to allocate memory."); 5911308Santhony.gutierrez@amd.com } 6011308Santhony.gutierrez@amd.com 6111308Santhony.gutierrez@amd.com for (int i=0; i < m_size; i++) { 6211308Santhony.gutierrez@amd.com m_entries[i] = NULL; 6311308Santhony.gutierrez@amd.com } 6411308Santhony.gutierrez@amd.com *///////////////////////////////////////////////////////////////////// 6511308Santhony.gutierrez@amd.com} 6611308Santhony.gutierrez@amd.com 6711308Santhony.gutierrez@amd.comDirectoryMemory::~DirectoryMemory() 6811308Santhony.gutierrez@amd.com{ 6911308Santhony.gutierrez@amd.com /********************************************************************* 7011308Santhony.gutierrez@amd.com // free up all the directory entries 7111308Santhony.gutierrez@amd.com for (int i=0; i < m_size; i++) { 7211308Santhony.gutierrez@amd.com if (m_entries[i] != NULL) { 7311321Ssteve.reinhardt@amd.com delete m_entries[i]; 7411308Santhony.gutierrez@amd.com m_entries[i] = NULL; 7511308Santhony.gutierrez@amd.com } 7611308Santhony.gutierrez@amd.com } 7711308Santhony.gutierrez@amd.com 7811308Santhony.gutierrez@amd.com // free up the array of directory entries 7911308Santhony.gutierrez@amd.com delete[] m_entries; 8011308Santhony.gutierrez@amd.com *////////////////////////////////////////////////////////////////////// 8111308Santhony.gutierrez@amd.com m_entries.clear(); 8211308Santhony.gutierrez@amd.com} 8311308Santhony.gutierrez@amd.com 8411308Santhony.gutierrez@amd.com// Static method 8511308Santhony.gutierrez@amd.comvoid DirectoryMemory::printConfig(ostream& out) 8611308Santhony.gutierrez@amd.com{ 8711308Santhony.gutierrez@amd.com out << "Memory config:" << endl; 8811308Santhony.gutierrez@amd.com out << " memory_bits: " << RubyConfig::memorySizeBits() << endl; 8911308Santhony.gutierrez@amd.com out << " memory_size_bytes: " << RubyConfig::memorySizeBytes() << endl; 9011308Santhony.gutierrez@amd.com out << " memory_size_Kbytes: " << double(RubyConfig::memorySizeBytes()) / (1<<10) << endl; 9111308Santhony.gutierrez@amd.com out << " memory_size_Mbytes: " << double(RubyConfig::memorySizeBytes()) / (1<<20) << endl; 9211308Santhony.gutierrez@amd.com out << " memory_size_Gbytes: " << double(RubyConfig::memorySizeBytes()) / (1<<30) << endl; 9311308Santhony.gutierrez@amd.com 9411308Santhony.gutierrez@amd.com out << " module_bits: " << RubyConfig::memoryModuleBits() << endl; 9511308Santhony.gutierrez@amd.com out << " module_size_lines: " << RubyConfig::memoryModuleBlocks() << endl; 9611308Santhony.gutierrez@amd.com out << " module_size_bytes: " << RubyConfig::memoryModuleBlocks() * RubyConfig::dataBlockBytes() << endl; 9711308Santhony.gutierrez@amd.com out << " module_size_Kbytes: " << double(RubyConfig::memoryModuleBlocks() * RubyConfig::dataBlockBytes()) / (1<<10) << endl; 9811308Santhony.gutierrez@amd.com out << " module_size_Mbytes: " << double(RubyConfig::memoryModuleBlocks() * RubyConfig::dataBlockBytes()) / (1<<20) << endl; 9911308Santhony.gutierrez@amd.com} 10011308Santhony.gutierrez@amd.com 10111308Santhony.gutierrez@amd.com// Public method 10211308Santhony.gutierrez@amd.combool DirectoryMemory::isPresent(PhysAddress address) 10311308Santhony.gutierrez@amd.com{ 10411308Santhony.gutierrez@amd.com return (map_Address_to_DirectoryNode(address) == m_chip_ptr->getID()*RubyConfig::numberOfDirectoryPerChip()+m_version); 10511308Santhony.gutierrez@amd.com} 10611308Santhony.gutierrez@amd.com 10711308Santhony.gutierrez@amd.comvoid DirectoryMemory::readPhysMem(uint64 address, int size, void * data) 10811308Santhony.gutierrez@amd.com{ 10911308Santhony.gutierrez@amd.com} 11011308Santhony.gutierrez@amd.com 11111308Santhony.gutierrez@amd.comDirectory_Entry& DirectoryMemory::lookup(PhysAddress address) 11211308Santhony.gutierrez@amd.com{ 11311308Santhony.gutierrez@amd.com assert(isPresent(address)); 11411308Santhony.gutierrez@amd.com Index index = address.memoryModuleIndex(); 11511308Santhony.gutierrez@amd.com 11611308Santhony.gutierrez@amd.com if (index < 0 || index > m_size) { 11711308Santhony.gutierrez@amd.com WARN_EXPR(m_chip_ptr->getID()); 11811308Santhony.gutierrez@amd.com WARN_EXPR(address.getAddress()); 11911308Santhony.gutierrez@amd.com WARN_EXPR(index); 12011308Santhony.gutierrez@amd.com WARN_EXPR(m_size); 12111308Santhony.gutierrez@amd.com ERROR_MSG("Directory Memory Assertion: accessing memory out of range."); 12211308Santhony.gutierrez@amd.com } 12311308Santhony.gutierrez@amd.com 12411308Santhony.gutierrez@amd.com map<Index, Directory_Entry*>::iterator iter = m_entries.find(index); 12511308Santhony.gutierrez@amd.com Directory_Entry* entry = m_entries.find(index)->second; 12611308Santhony.gutierrez@amd.com 12711308Santhony.gutierrez@amd.com // allocate the directory entry on demand. 12811308Santhony.gutierrez@amd.com if (iter == m_entries.end()) { 12911321Ssteve.reinhardt@amd.com entry = new Directory_Entry; 13011308Santhony.gutierrez@amd.com 13111308Santhony.gutierrez@amd.com // entry->getProcOwner() = m_chip_ptr->getID(); // FIXME - This should not be hard coded 13211308Santhony.gutierrez@amd.com // entry->getDirOwner() = true; // FIXME - This should not be hard-coded 13311308Santhony.gutierrez@amd.com 13411308Santhony.gutierrez@amd.com // load the data from physicalMemory when first initalizing 13511308Santhony.gutierrez@amd.com physical_address_t physAddr = address.getAddress(); 13611308Santhony.gutierrez@amd.com int8 * dataArray = (int8 * )malloc(RubyConfig::dataBlockBytes() * sizeof(int8)); 13711308Santhony.gutierrez@amd.com readPhysMem(physAddr, RubyConfig::dataBlockBytes(), dataArray); 13811308Santhony.gutierrez@amd.com 13911308Santhony.gutierrez@amd.com for(int j=0; j < RubyConfig::dataBlockBytes(); j++) { 14011308Santhony.gutierrez@amd.com entry->getDataBlk().setByte(j, dataArray[j]); 14111308Santhony.gutierrez@amd.com } 14211308Santhony.gutierrez@amd.com DEBUG_EXPR(NODE_COMP, MedPrio,entry->getDataBlk()); 14311308Santhony.gutierrez@amd.com // store entry to the table 14411308Santhony.gutierrez@amd.com m_entries.insert(make_pair(index, entry)); 14511308Santhony.gutierrez@amd.com } 14611308Santhony.gutierrez@amd.com return (*entry); 14711308Santhony.gutierrez@amd.com} 14811308Santhony.gutierrez@amd.com 14911308Santhony.gutierrez@amd.com/* 15011308Santhony.gutierrez@amd.comvoid DirectoryMemory::invalidateBlock(PhysAddress address) 15111308Santhony.gutierrez@amd.com{ 15211308Santhony.gutierrez@amd.com assert(isPresent(address)); 15311308Santhony.gutierrez@amd.com 15411308Santhony.gutierrez@amd.com Index index = address.memoryModuleIndex(); 15511308Santhony.gutierrez@amd.com 15611308Santhony.gutierrez@amd.com if (index < 0 || index > m_size) { 15711308Santhony.gutierrez@amd.com ERROR_MSG("Directory Memory Assertion: accessing memory out of range."); 15811308Santhony.gutierrez@amd.com } 15911308Santhony.gutierrez@amd.com 16011308Santhony.gutierrez@amd.com if(m_entries[index] != NULL){ 16111308Santhony.gutierrez@amd.com delete m_entries[index]; 16211308Santhony.gutierrez@amd.com m_entries[index] = NULL; 16311308Santhony.gutierrez@amd.com } 16411308Santhony.gutierrez@amd.com 16511308Santhony.gutierrez@amd.com} 16611308Santhony.gutierrez@amd.com*/ 16711308Santhony.gutierrez@amd.com 16811308Santhony.gutierrez@amd.comvoid DirectoryMemory::print(ostream& out) const 16911308Santhony.gutierrez@amd.com{ 17011308Santhony.gutierrez@amd.com out << "Directory dump: " << endl; 17111308Santhony.gutierrez@amd.com for(map<Index, Directory_Entry*>::const_iterator it = m_entries.begin(); it != m_entries.end(); ++it) { 17211308Santhony.gutierrez@amd.com out << it->first << ": "; 17311308Santhony.gutierrez@amd.com out << *(it->second) << endl; 17411308Santhony.gutierrez@amd.com } 17511308Santhony.gutierrez@amd.com} 17611308Santhony.gutierrez@amd.com 17711308Santhony.gutierrez@amd.com