DirectoryMemory.cc (10314:94b6b28fc968) | DirectoryMemory.cc (10520:7740e0d97d48) |
---|---|
1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 33 unchanged lines hidden (view full) --- 42 43DirectoryMemory::DirectoryMemory(const Params *p) 44 : SimObject(p) 45{ 46 m_version = p->version; 47 m_size_bytes = p->size; 48 m_size_bits = floorLog2(m_size_bytes); 49 m_num_entries = 0; | 1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 33 unchanged lines hidden (view full) --- 42 43DirectoryMemory::DirectoryMemory(const Params *p) 44 : SimObject(p) 45{ 46 m_version = p->version; 47 m_size_bytes = p->size; 48 m_size_bits = floorLog2(m_size_bytes); 49 m_num_entries = 0; |
50 m_use_map = p->use_map; 51 m_map_levels = p->map_levels; | |
52 m_numa_high_bit = p->numa_high_bit; 53} 54 55void 56DirectoryMemory::init() 57{ 58 m_num_entries = m_size_bytes / RubySystem::getBlockSizeBytes(); | 50 m_numa_high_bit = p->numa_high_bit; 51} 52 53void 54DirectoryMemory::init() 55{ 56 m_num_entries = m_size_bytes / RubySystem::getBlockSizeBytes(); |
57 m_entries = new AbstractEntry*[m_num_entries]; 58 for (int i = 0; i < m_num_entries; i++) 59 m_entries[i] = NULL; 60 m_ram = g_system_ptr->getMemoryVector(); |
|
59 | 61 |
60 if (m_use_map) { 61 m_sparseMemory = new SparseMemory(m_map_levels); 62 g_system_ptr->registerSparseMemory(m_sparseMemory); 63 } else { 64 m_entries = new AbstractEntry*[m_num_entries]; 65 for (int i = 0; i < m_num_entries; i++) 66 m_entries[i] = NULL; 67 m_ram = g_system_ptr->getMemoryVector(); 68 } 69 | |
70 m_num_directories++; 71 m_num_directories_bits = ceilLog2(m_num_directories); 72 m_total_size_bytes += m_size_bytes; 73 74 if (m_numa_high_bit == 0) { 75 m_numa_high_bit = RubySystem::getMemorySizeBits() - 1; 76 } 77 assert(m_numa_high_bit != 0); 78} 79 80DirectoryMemory::~DirectoryMemory() 81{ 82 // free up all the directory entries | 62 m_num_directories++; 63 m_num_directories_bits = ceilLog2(m_num_directories); 64 m_total_size_bytes += m_size_bytes; 65 66 if (m_numa_high_bit == 0) { 67 m_numa_high_bit = RubySystem::getMemorySizeBits() - 1; 68 } 69 assert(m_numa_high_bit != 0); 70} 71 72DirectoryMemory::~DirectoryMemory() 73{ 74 // free up all the directory entries |
83 if (m_entries != NULL) { 84 for (uint64 i = 0; i < m_num_entries; i++) { 85 if (m_entries[i] != NULL) { 86 delete m_entries[i]; 87 } | 75 for (uint64 i = 0; i < m_num_entries; i++) { 76 if (m_entries[i] != NULL) { 77 delete m_entries[i]; |
88 } | 78 } |
89 delete [] m_entries; 90 } else if (m_use_map) { 91 delete m_sparseMemory; | |
92 } | 79 } |
80 delete [] m_entries; |
|
93} 94 95uint64 96DirectoryMemory::mapAddressToDirectoryVersion(PhysAddress address) 97{ 98 if (m_num_directories_bits == 0) 99 return 0; 100 --- 24 unchanged lines hidden (view full) --- 125} 126 127AbstractEntry* 128DirectoryMemory::lookup(PhysAddress address) 129{ 130 assert(isPresent(address)); 131 DPRINTF(RubyCache, "Looking up address: %s\n", address); 132 | 81} 82 83uint64 84DirectoryMemory::mapAddressToDirectoryVersion(PhysAddress address) 85{ 86 if (m_num_directories_bits == 0) 87 return 0; 88 --- 24 unchanged lines hidden (view full) --- 113} 114 115AbstractEntry* 116DirectoryMemory::lookup(PhysAddress address) 117{ 118 assert(isPresent(address)); 119 DPRINTF(RubyCache, "Looking up address: %s\n", address); 120 |
133 if (m_use_map) { 134 return m_sparseMemory->lookup(address); 135 } else { 136 uint64_t idx = mapAddressToLocalIdx(address); 137 assert(idx < m_num_entries); 138 return m_entries[idx]; 139 } | 121 uint64_t idx = mapAddressToLocalIdx(address); 122 assert(idx < m_num_entries); 123 return m_entries[idx]; |
140} 141 142AbstractEntry* 143DirectoryMemory::allocate(const PhysAddress& address, AbstractEntry* entry) 144{ 145 assert(isPresent(address)); 146 uint64 idx; 147 DPRINTF(RubyCache, "Looking up address: %s\n", address); 148 | 124} 125 126AbstractEntry* 127DirectoryMemory::allocate(const PhysAddress& address, AbstractEntry* entry) 128{ 129 assert(isPresent(address)); 130 uint64 idx; 131 DPRINTF(RubyCache, "Looking up address: %s\n", address); 132 |
149 if (m_use_map) { 150 m_sparseMemory->add(address, entry); 151 entry->changePermission(AccessPermission_Read_Write); 152 } else { 153 idx = mapAddressToLocalIdx(address); 154 assert(idx < m_num_entries); 155 entry->getDataBlk().assign(m_ram->getBlockPtr(address)); 156 entry->changePermission(AccessPermission_Read_Only); 157 m_entries[idx] = entry; 158 } | 133 idx = mapAddressToLocalIdx(address); 134 assert(idx < m_num_entries); 135 entry->getDataBlk().assign(m_ram->getBlockPtr(address)); 136 entry->changePermission(AccessPermission_Read_Only); 137 m_entries[idx] = entry; |
159 160 return entry; 161} 162 163void | 138 139 return entry; 140} 141 142void |
164DirectoryMemory::invalidateBlock(PhysAddress address) 165{ 166 if (m_use_map) { 167 assert(m_sparseMemory->exist(address)); 168 m_sparseMemory->remove(address); 169 } 170#if 0 171 else { 172 assert(isPresent(address)); 173 174 int64 index = address.memoryModuleIndex(); 175 176 if (index < 0 || index > m_size) { 177 ERROR_MSG("Directory Memory Assertion: " 178 "accessing memory out of range."); 179 } 180 181 if (m_entries[index] != NULL){ 182 delete m_entries[index]; 183 m_entries[index] = NULL; 184 } 185 } 186#endif 187} 188 189void | |
190DirectoryMemory::print(ostream& out) const 191{ 192} 193 194void | 143DirectoryMemory::print(ostream& out) const 144{ 145} 146 147void |
195DirectoryMemory::regStats() 196{ 197 if (m_use_map) { 198 m_sparseMemory->regStats(name()); 199 } 200} 201 202void | |
203DirectoryMemory::recordRequestType(DirectoryRequestType requestType) { 204 DPRINTF(RubyStats, "Recorded statistic: %s\n", 205 DirectoryRequestType_to_string(requestType)); 206} 207 208DirectoryMemory * 209RubyDirectoryMemoryParams::create() 210{ 211 return new DirectoryMemory(this); 212} | 148DirectoryMemory::recordRequestType(DirectoryRequestType requestType) { 149 DPRINTF(RubyStats, "Recorded statistic: %s\n", 150 DirectoryRequestType_to_string(requestType)); 151} 152 153DirectoryMemory * 154RubyDirectoryMemoryParams::create() 155{ 156 return new DirectoryMemory(this); 157} |