RubySlicc_ComponentMapping.hh revision 6785:bb675ba62c79
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 98MachineID mapAddressToRange(const Address & addr, MachineType type, int low_bit, int num_bits) 99{ 100 MachineID mach = {type, 0}; 101 if (num_bits == 0) 102 return mach; 103 mach.num = addr.bitSelect(low_bit, low_bit+num_bits-1); 104 return mach; 105} 106 107extern inline NodeID machineIDToNodeID(MachineID machID) 108{ 109 return machID.num; 110} 111 112extern inline MachineType machineIDToMachineType(MachineID machID) 113{ 114 return machID.type; 115} 116 117extern inline NodeID L1CacheMachIDToProcessorNum(MachineID machID) 118{ 119 assert(machID.type == MachineType_L1Cache); 120 return machID.num; 121} 122 123extern inline MachineID getL1MachineID(NodeID L1RubyNode) 124{ 125 MachineID mach = {MACHINETYPE_L1CACHE_ENUM, L1RubyNode}; 126 return mach; 127} 128 129extern inline GenericMachineType ConvertMachToGenericMach(MachineType machType) { 130 if (machType == MACHINETYPE_L1CACHE_ENUM) { 131 return GenericMachineType_L1Cache; 132 } else if (machType == MACHINETYPE_L2CACHE_ENUM) { 133 return GenericMachineType_L2Cache; 134 } else if (machType == MACHINETYPE_L3CACHE_ENUM) { 135 return GenericMachineType_L3Cache; 136 } else if (machType == MachineType_Directory) { 137 return GenericMachineType_Directory; 138 } else { 139 ERROR_MSG("cannot convert to a GenericMachineType"); 140 return GenericMachineType_NULL; 141 } 142} 143 144 145#endif // COMPONENTMAPPINGFNS_H 146