RubySystem.cc revision 6880
113511Sgabeblack@google.com
213511Sgabeblack@google.com/*
313511Sgabeblack@google.com * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
413511Sgabeblack@google.com * All rights reserved.
513511Sgabeblack@google.com *
613511Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without
713511Sgabeblack@google.com * modification, are permitted provided that the following conditions are
813511Sgabeblack@google.com * met: redistributions of source code must retain the above copyright
913511Sgabeblack@google.com * notice, this list of conditions and the following disclaimer;
1013511Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright
1113511Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the
1213511Sgabeblack@google.com * documentation and/or other materials provided with the distribution;
1313511Sgabeblack@google.com * neither the name of the copyright holders nor the names of its
1413511Sgabeblack@google.com * contributors may be used to endorse or promote products derived from
1513511Sgabeblack@google.com * this software without specific prior written permission.
1613511Sgabeblack@google.com *
1713511Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1813511Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1913511Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
2013511Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
2113511Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
2213511Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
2313511Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2413513Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2513513Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2613511Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
2713513Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2813586Sgabeblack@google.com */
2913586Sgabeblack@google.com
3013586Sgabeblack@google.com/*
3113586Sgabeblack@google.com * RubySystem.cc
3213586Sgabeblack@google.com *
3313511Sgabeblack@google.com * Description: See System.hh
3413513Sgabeblack@google.com *
3513513Sgabeblack@google.com * $Id$
3613511Sgabeblack@google.com *
3713511Sgabeblack@google.com */
3813511Sgabeblack@google.com
3913511Sgabeblack@google.com
4013513Sgabeblack@google.com#include "mem/ruby/system/System.hh"
4113513Sgabeblack@google.com#include "mem/ruby/common/Address.hh"
4213513Sgabeblack@google.com#include "mem/ruby/profiler/Profiler.hh"
4313511Sgabeblack@google.com#include "mem/ruby/network/Network.hh"
4413513Sgabeblack@google.com#include "mem/ruby/recorder/Tracer.hh"
4513513Sgabeblack@google.com#include "mem/protocol/Protocol.hh"
4613511Sgabeblack@google.com#include "mem/ruby/buffers/MessageBuffer.hh"
4713513Sgabeblack@google.com#include "mem/ruby/system/Sequencer.hh"
4813513Sgabeblack@google.com#include "mem/ruby/system/DMASequencer.hh"
4913513Sgabeblack@google.com#include "mem/ruby/system/MemoryVector.hh"
5013513Sgabeblack@google.com#include "mem/ruby/slicc_interface/AbstractController.hh"
5113513Sgabeblack@google.com#include "mem/ruby/system/CacheMemory.hh"
5213513Sgabeblack@google.com#include "mem/ruby/system/DirectoryMemory.hh"
5313511Sgabeblack@google.com#include "mem/ruby/network/simple/Topology.hh"
5413511Sgabeblack@google.com#include "mem/ruby/network/simple/SimpleNetwork.hh"
5513513Sgabeblack@google.com#include "mem/ruby/system/RubyPort.hh"
5613513Sgabeblack@google.com//#include "mem/ruby/network/garnet-flexible-pipeline/GarnetNetwork.hh"
5713513Sgabeblack@google.com//#include "mem/ruby/network/garnet-fixed-pipeline/GarnetNetwork_d.hh"
5813513Sgabeblack@google.com#include "mem/ruby/system/MemoryControl.hh"
5913513Sgabeblack@google.com
6013511Sgabeblack@google.comint RubySystem::m_random_seed;
6113511Sgabeblack@google.combool RubySystem::m_randomization;
6213513Sgabeblack@google.comint RubySystem::m_tech_nm;
6313513Sgabeblack@google.comint RubySystem::m_freq_mhz;
6413513Sgabeblack@google.comint RubySystem::m_block_size_bytes;
6513513Sgabeblack@google.comint RubySystem::m_block_size_bits;
6613513Sgabeblack@google.comuint64 RubySystem::m_memory_size_bytes;
6713513Sgabeblack@google.comint RubySystem::m_memory_size_bits;
6813513Sgabeblack@google.com
6913511Sgabeblack@google.commap< string, RubyPort* > RubySystem::m_ports;
7013513Sgabeblack@google.commap< string, CacheMemory* > RubySystem::m_caches;
7113513Sgabeblack@google.commap< string, DirectoryMemory* > RubySystem::m_directories;
7213513Sgabeblack@google.commap< string, Sequencer* > RubySystem::m_sequencers;
7313513Sgabeblack@google.commap< string, DMASequencer* > RubySystem::m_dma_sequencers;
7413513Sgabeblack@google.commap< string, AbstractController* > RubySystem::m_controllers;
7513513Sgabeblack@google.commap< string, MemoryControl* > RubySystem::m_memorycontrols;
7613511Sgabeblack@google.com
7713513Sgabeblack@google.com
7813511Sgabeblack@google.comNetwork* RubySystem::m_network_ptr;
7913513Sgabeblack@google.commap< string, Topology*> RubySystem::m_topologies;
8013513Sgabeblack@google.comProfiler* RubySystem::m_profiler_ptr;
8113511Sgabeblack@google.comTracer* RubySystem::m_tracer_ptr;
8213513Sgabeblack@google.com
8313513Sgabeblack@google.comMemoryVector* RubySystem::m_mem_vec_ptr;
8413513Sgabeblack@google.com
8513513Sgabeblack@google.com
8613513Sgabeblack@google.comRubySystem::RubySystem(const Params *p)
8713513Sgabeblack@google.com    : SimObject(p)
8813513Sgabeblack@google.com{
8913513Sgabeblack@google.com    if (g_system_ptr != NULL)
9013513Sgabeblack@google.com        fatal("Only one RubySystem object currently allowed.\n");
9113513Sgabeblack@google.com
9213513Sgabeblack@google.com    m_random_seed = p->random_seed;
9313513Sgabeblack@google.com    srandom(m_random_seed);
9413513Sgabeblack@google.com    m_randomization = p->randomization;
9513513Sgabeblack@google.com    m_tech_nm = p->tech_nm;
9613511Sgabeblack@google.com    m_freq_mhz = p->freq_mhz;
9713511Sgabeblack@google.com
9813513Sgabeblack@google.com    m_block_size_bytes = p->block_size_bytes;
9913511Sgabeblack@google.com    assert(is_power_of_2(m_block_size_bytes));
10013513Sgabeblack@google.com    m_block_size_bits = log_int(m_block_size_bytes);
101
102    m_memory_size_bytes = (uint64_t)p->mem_size_mb * 1024 * 1024;
103    m_memory_size_bits = log_int(m_memory_size_bytes);
104
105    m_network_ptr = p->network;
106    g_debug_ptr = p->debug;
107    m_profiler_ptr = p->profiler;
108    m_tracer_ptr = p->tracer;
109
110    g_system_ptr = this;
111    m_mem_vec_ptr = new MemoryVector;
112    m_mem_vec_ptr->setSize(m_memory_size_bytes);
113}
114
115
116void RubySystem::init()
117{
118}
119
120
121RubySystem::~RubySystem()
122{
123
124}
125
126void RubySystem::printSystemConfig(ostream & out)
127{
128  out << "RubySystem config:" << endl;
129  out << "  random_seed: " << m_random_seed << endl;
130  out << "  randomization: " << m_randomization << endl;
131  out << "  tech_nm: " << m_tech_nm << endl;
132  out << "  freq_mhz: " << m_freq_mhz << endl;
133  out << "  block_size_bytes: " << m_block_size_bytes << endl;
134  out << "  block_size_bits: " << m_block_size_bits << endl;
135  out << "  memory_size_bytes: " << m_memory_size_bytes << endl;
136  out << "  memory_size_bits: " << m_memory_size_bits << endl;
137
138}
139
140void RubySystem::printConfig(ostream& out)
141{
142  out << "\n================ Begin RubySystem Configuration Print ================\n\n";
143  printSystemConfig(out);
144  for (map<string, AbstractController*>::const_iterator it = m_controllers.begin();
145       it != m_controllers.end(); it++) {
146    (*it).second->printConfig(out);
147  }
148  for (map<string, CacheMemory*>::const_iterator it = m_caches.begin();
149       it != m_caches.end(); it++) {
150    (*it).second->printConfig(out);
151  }
152  DirectoryMemory::printGlobalConfig(out);
153  for (map<string, DirectoryMemory*>::const_iterator it = m_directories.begin();
154       it != m_directories.end(); it++) {
155    (*it).second->printConfig(out);
156  }
157  for (map<string, Sequencer*>::const_iterator it = m_sequencers.begin();
158       it != m_sequencers.end(); it++) {
159    (*it).second->printConfig(out);
160  }
161
162  m_network_ptr->printConfig(out);
163  m_profiler_ptr->printConfig(out);
164
165  out << "\n================ End RubySystem Configuration Print ================\n\n";
166}
167
168void RubySystem::printStats(ostream& out)
169{
170
171  const time_t T = time(NULL);
172  tm *localTime = localtime(&T);
173  char buf[100];
174  strftime(buf, 100, "%b/%d/%Y %H:%M:%S", localTime);
175
176  out << "Real time: " << buf << endl;
177
178  m_profiler_ptr->printStats(out);
179  m_network_ptr->printStats(out);
180  for (map<string, Sequencer*>::const_iterator it = m_sequencers.begin();
181       it != m_sequencers.end(); it++) {
182    (*it).second->printStats(out);
183  }
184  for (map<string, CacheMemory*>::const_iterator it = m_caches.begin();
185       it != m_caches.end(); it++) {
186    (*it).second->printStats(out);
187  }
188  for (map<string, AbstractController*>::const_iterator it = m_controllers.begin();
189       it != m_controllers.end(); it++) {
190    (*it).second->printStats(out);
191  }
192}
193
194void RubySystem::clearStats() const
195{
196  m_profiler_ptr->clearStats();
197  m_network_ptr->clearStats();
198  for (map<string, CacheMemory*>::const_iterator it = m_caches.begin();
199       it != m_caches.end(); it++) {
200    (*it).second->clearStats();
201  }
202  for (map<string, AbstractController*>::const_iterator it = m_controllers.begin();
203       it != m_controllers.end(); it++) {
204    (*it).second->clearStats();
205  }
206}
207
208void RubySystem::recordCacheContents(CacheRecorder& tr) const
209{
210
211}
212
213#ifdef CHECK_COHERENCE
214// This code will check for cases if the given cache block is exclusive in
215// one node and shared in another-- a coherence violation
216//
217// To use, the SLICC specification must call sequencer.checkCoherence(address)
218// when the controller changes to a state with new permissions.  Do this
219// in setState.  The SLICC spec must also define methods "isBlockShared"
220// and "isBlockExclusive" that are specific to that protocol
221//
222void RubySystem::checkGlobalCoherenceInvariant(const Address& addr  )  {
223  /*
224  NodeID exclusive = -1;
225  bool sharedDetected = false;
226  NodeID lastShared = -1;
227
228  for (int i = 0; i < m_chip_vector.size(); i++) {
229
230    if (m_chip_vector[i]->isBlockExclusive(addr)) {
231      if (exclusive != -1) {
232        // coherence violation
233        WARN_EXPR(exclusive);
234        WARN_EXPR(m_chip_vector[i]->getID());
235        WARN_EXPR(addr);
236        WARN_EXPR(g_eventQueue_ptr->getTime());
237        ERROR_MSG("Coherence Violation Detected -- 2 exclusive chips");
238      }
239      else if (sharedDetected) {
240        WARN_EXPR(lastShared);
241        WARN_EXPR(m_chip_vector[i]->getID());
242        WARN_EXPR(addr);
243        WARN_EXPR(g_eventQueue_ptr->getTime());
244        ERROR_MSG("Coherence Violation Detected -- exclusive chip with >=1 shared");
245      }
246      else {
247        exclusive = m_chip_vector[i]->getID();
248      }
249    }
250    else if (m_chip_vector[i]->isBlockShared(addr)) {
251      sharedDetected = true;
252      lastShared = m_chip_vector[i]->getID();
253
254      if (exclusive != -1) {
255        WARN_EXPR(lastShared);
256        WARN_EXPR(exclusive);
257        WARN_EXPR(addr);
258        WARN_EXPR(g_eventQueue_ptr->getTime());
259        ERROR_MSG("Coherence Violation Detected -- exclusive chip with >=1 shared");
260      }
261    }
262  }
263  */
264}
265#endif
266
267
268RubySystem *
269RubySystemParams::create()
270{
271    return new RubySystem(this);
272}
273