RubySlicc_ComponentMapping.hh revision 6285:ce086eca1ede
1 2/* 3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer; 10 * redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution; 13 * neither the name of the copyright holders nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30/* 31 * $Id$ 32 */ 33 34#ifndef COMPONENTMAPPINGFNS_H 35#define COMPONENTMAPPINGFNS_H 36 37#include "mem/ruby/common/Global.hh" 38#include "mem/ruby/config/RubyConfig.hh" 39#include "mem/ruby/system/NodeID.hh" 40#include "mem/ruby/system/MachineID.hh" 41#include "mem/ruby/common/Address.hh" 42#include "mem/ruby/common/Set.hh" 43#include "mem/ruby/common/NetDest.hh" 44#include "mem/protocol/GenericMachineType.hh" 45#include "mem/ruby/system/DirectoryMemory.hh" 46 47#ifdef MACHINETYPE_L1Cache 48#define MACHINETYPE_L1CACHE_ENUM MachineType_L1Cache 49#else 50#define MACHINETYPE_L1CACHE_ENUM MachineType_NUM 51#endif 52 53#ifdef MACHINETYPE_L2Cache 54#define MACHINETYPE_L2CACHE_ENUM MachineType_L2Cache 55#else 56#define MACHINETYPE_L2CACHE_ENUM MachineType_NUM 57#endif 58 59#ifdef MACHINETYPE_L3Cache 60#define MACHINETYPE_L3CACHE_ENUM MachineType_L3Cache 61#else 62#define MACHINETYPE_L3CACHE_ENUM MachineType_NUM 63#endif 64 65/* 66#ifdef MACHINETYPE_PersistentArbiter 67#define MACHINETYPE_PERSISTENTARBITER_ENUM MachineType_PersistentArbiter 68#else 69#define MACHINETYPE_PERSISTENTARBITER_ENUM MachineType_NUM 70#endif 71*/ 72/* 73inline MachineID map_Address_to_L2Cache(const Address & addr) 74{ 75 int L2bank = 0; 76 MachineID mach = {MACHINETYPE_L2CACHE_ENUM, 0}; 77 L2bank = addr.bitSelect(RubySystem::getBlockSizeBits(), 78 RubySystem::getBlockSizeBits() + RubyConfig::getNumberOfCachesPerLevel(2)-1); 79 mach.num = L2bank; 80 return mach; 81} 82 83// input parameter is the base ruby node of the L1 cache 84// returns a value between 0 and total_L2_Caches_within_the_system 85inline 86MachineID map_L1CacheMachId_to_L2Cache(const Address& addr, MachineID L1CacheMachId) 87{ 88 return map_Address_to_L2Cache(addr); 89 90 int L2bank = 0; 91 MachineID mach = {MACHINETYPE_L2CACHE_ENUM, 0}; 92 93 if (RubyConfig::L2CachePerChipBits() > 0) { 94 if (RubyConfig::getMAP_L2BANKS_TO_LOWEST_BITS()) { 95 L2bank = addr.bitSelect(RubySystem::getBlockSizeBits(), 96 RubySystem::getBlockSizeBits()+RubyConfig::L2CachePerChipBits()-1); 97 } else { 98 L2bank = addr.bitSelect(RubySystem::getBlockSizeBits()+RubyConfig::getL2_CACHE_NUM_SETS_BITS(), 99 RubySystem::getBlockSizeBits()+RubyConfig::getL2_CACHE_NUM_SETS_BITS()+RubyConfig::L2CachePerChipBits()-1); 100 } 101 } 102 103 assert(L2bank < RubyConfig::numberOfL2CachePerChip()); 104 assert(L2bank >= 0); 105 106 mach.num = RubyConfig::L1CacheNumToL2Base(L1CacheMachId.num)*RubyConfig::numberOfL2CachePerChip() // base # 107 + L2bank; // bank # 108 assert(mach.num < RubyConfig::numberOfL2Cache()); 109 return mach; 110 111} 112 113 114// used to determine the correct L2 bank 115// input parameter is the base ruby node of the L2 cache 116// returns a value between 0 and total_L2_Caches_within_the_system 117 118inline 119MachineID map_L2ChipId_to_L2Cache(const Address& addr, NodeID L2ChipId) 120{ 121 return map_Address_to_L2Cache(addr); 122 123 assert(L2ChipId < RubyConfig::numberOfChips()); 124 125 int L2bank = 0; 126 MachineID mach = {MACHINETYPE_L2CACHE_ENUM, 0}; 127 L2bank = addr.bitSelect(RubySystem::getBlockSizeBits(), 128 RubySystem::getBlockSizeBits() + RubyConfig::numberOfCachesPerLevel(2)-1); 129 mach.num = L2bank; 130 return mach 131 132} 133 */ 134 135 136// used to determine the home directory 137// returns a value between 0 and total_directories_within_the_system 138inline 139NodeID map_Address_to_DirectoryNode(const Address& addr) 140{ 141 return DirectoryMemory::mapAddressToDirectoryVersion(addr); 142} 143 144// used to determine the home directory 145// returns a value between 0 and total_directories_within_the_system 146inline 147MachineID map_Address_to_Directory(const Address &addr) 148{ 149 MachineID mach = {MachineType_Directory, map_Address_to_DirectoryNode(addr)}; 150 return mach; 151} 152 153inline 154MachineID map_Address_to_DMA(const Address & addr) 155{ 156 MachineID dma = {MachineType_DMA, 0}; 157 return dma; 158} 159 160/* 161inline 162NetDest getOtherLocalL1IDs(MachineID L1) 163{ 164 int start = (L1.num / RubyConfig::numberOfProcsPerChip()) * RubyConfig::numberOfProcsPerChip(); 165 NetDest ret; 166 167 assert(MACHINETYPE_L1CACHE_ENUM != MachineType_NUM); 168 169 for (int i = start; i < (start + RubyConfig::numberOfProcsPerChip()); i++) { 170 if (i != L1.num) { 171 MachineID mach = { MACHINETYPE_L1CACHE_ENUM, i }; 172 ret.add( mach ); 173 } 174 } 175 176 return ret; 177} 178*/ 179 180extern inline NodeID machineIDToNodeID(MachineID machID) 181{ 182 // return machID.num%RubyConfig::numberOfChips(); 183 return machID.num; 184} 185 186extern inline MachineType machineIDToMachineType(MachineID machID) 187{ 188 return machID.type; 189} 190 191extern inline NodeID L1CacheMachIDToProcessorNum(MachineID machID) 192{ 193 assert(machID.type == MachineType_L1Cache); 194 return machID.num; 195} 196/* 197extern inline NodeID L2CacheMachIDToChipID(MachineID machID) 198{ 199 assert(machID.type == MACHINETYPE_L2CACHE_ENUM); 200 int L2bank = machID.num; 201 int banks_seen = 0; 202 for (int i=0;i<RubyConfig::getNumberOfChips();i++) { 203 for (int j=0;j<RubyConfig::getNumberOfCachesPerLevelPerChip(2,i);j++) { 204 if (banks_seen == L2bank) 205 return i; 206 banks_seen++; 207 } 208 } 209 assert(0); 210} 211*/ 212extern inline MachineID getL1MachineID(NodeID L1RubyNode) 213{ 214 MachineID mach = {MACHINETYPE_L1CACHE_ENUM, L1RubyNode}; 215 return mach; 216} 217 218extern inline GenericMachineType ConvertMachToGenericMach(MachineType machType) { 219 if (machType == MACHINETYPE_L1CACHE_ENUM) { 220 return GenericMachineType_L1Cache; 221 } else if (machType == MACHINETYPE_L2CACHE_ENUM) { 222 return GenericMachineType_L2Cache; 223 } else if (machType == MACHINETYPE_L3CACHE_ENUM) { 224 return GenericMachineType_L3Cache; 225 } else if (machType == MachineType_Directory) { 226 return GenericMachineType_Directory; 227 } else { 228 ERROR_MSG("cannot convert to a GenericMachineType"); 229 return GenericMachineType_NULL; 230 } 231} 232 233 234#endif // COMPONENTMAPPINGFNS_H 235