RubySlicc_ComponentMapping.hh revision 6862:3d308cbd1657
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/system/NodeID.hh" 39#include "mem/ruby/system/MachineID.hh" 40#include "mem/ruby/common/Address.hh" 41#include "mem/ruby/common/Set.hh" 42#include "mem/ruby/common/NetDest.hh" 43#include "mem/protocol/GenericMachineType.hh" 44#include "mem/ruby/system/DirectoryMemory.hh" 45 46#ifdef MACHINETYPE_L1Cache 47#define MACHINETYPE_L1CACHE_ENUM MachineType_L1Cache 48#else 49#define MACHINETYPE_L1CACHE_ENUM MachineType_NUM 50#endif 51 52#ifdef MACHINETYPE_L2Cache 53#define MACHINETYPE_L2CACHE_ENUM MachineType_L2Cache 54#else 55#define MACHINETYPE_L2CACHE_ENUM MachineType_NUM 56#endif 57 58#ifdef MACHINETYPE_L3Cache 59#define MACHINETYPE_L3CACHE_ENUM MachineType_L3Cache 60#else 61#define MACHINETYPE_L3CACHE_ENUM MachineType_NUM 62#endif 63 64#ifdef MACHINETYPE_DMA 65#define MACHINETYPE_DMA_ENUM MachineType_DMA 66#else 67#define MACHINETYPE_DMA_ENUM MachineType_NUM 68#endif 69 70// used to determine the number of acks to wait for 71int getNumberOfLastLevelCaches(); 72 73// used to determine the home directory 74// returns a value between 0 and total_directories_within_the_system 75inline 76NodeID map_Address_to_DirectoryNode(const Address& addr) 77{ 78 return DirectoryMemory::mapAddressToDirectoryVersion(addr); 79} 80 81// used to determine the home directory 82// returns a value between 0 and total_directories_within_the_system 83inline 84MachineID map_Address_to_Directory(const Address &addr) 85{ 86 MachineID mach = {MachineType_Directory, map_Address_to_DirectoryNode(addr)}; 87 return mach; 88} 89 90inline 91MachineID map_Address_to_DMA(const Address & addr) 92{ 93 MachineID dma = {MACHINETYPE_DMA_ENUM, 0}; 94 return dma; 95} 96 97inline 98NetDest broadcast(MachineType type) 99{ 100 NetDest dest; 101 for (int i=0; i<MachineType_base_count(type); i++) { 102 MachineID mach = {type, i}; 103 dest.add(mach); 104 } 105 return dest; 106} 107 108inline 109MachineID mapAddressToRange(const Address & addr, MachineType type, int low_bit, int num_bits) 110{ 111 MachineID mach = {type, 0}; 112 if (num_bits == 0) 113 return mach; 114 mach.num = addr.bitSelect(low_bit, low_bit+num_bits-1); 115 return mach; 116} 117 118extern inline NodeID machineIDToNodeID(MachineID machID) 119{ 120 return machID.num; 121} 122 123extern inline MachineType machineIDToMachineType(MachineID machID) 124{ 125 return machID.type; 126} 127 128extern inline NodeID L1CacheMachIDToProcessorNum(MachineID machID) 129{ 130 assert(machID.type == MachineType_L1Cache); 131 return machID.num; 132} 133 134extern inline MachineID getL1MachineID(NodeID L1RubyNode) 135{ 136 MachineID mach = {MACHINETYPE_L1CACHE_ENUM, L1RubyNode}; 137 return mach; 138} 139 140extern inline GenericMachineType ConvertMachToGenericMach(MachineType machType) { 141 if (machType == MACHINETYPE_L1CACHE_ENUM) { 142 return GenericMachineType_L1Cache; 143 } else if (machType == MACHINETYPE_L2CACHE_ENUM) { 144 return GenericMachineType_L2Cache; 145 } else if (machType == MACHINETYPE_L3CACHE_ENUM) { 146 return GenericMachineType_L3Cache; 147 } else if (machType == MachineType_Directory) { 148 return GenericMachineType_Directory; 149 } else { 150 ERROR_MSG("cannot convert to a GenericMachineType"); 151 return GenericMachineType_NULL; 152 } 153} 154 155 156#endif // COMPONENTMAPPINGFNS_H 157