Sequencer.cc revision 9224
16145Snate@binkert.org/* 26145Snate@binkert.org * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 36145Snate@binkert.org * All rights reserved. 46145Snate@binkert.org * 56145Snate@binkert.org * Redistribution and use in source and binary forms, with or without 66145Snate@binkert.org * modification, are permitted provided that the following conditions are 76145Snate@binkert.org * met: redistributions of source code must retain the above copyright 86145Snate@binkert.org * notice, this list of conditions and the following disclaimer; 96145Snate@binkert.org * redistributions in binary form must reproduce the above copyright 106145Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 116145Snate@binkert.org * documentation and/or other materials provided with the distribution; 126145Snate@binkert.org * neither the name of the copyright holders nor the names of its 136145Snate@binkert.org * contributors may be used to endorse or promote products derived from 146145Snate@binkert.org * this software without specific prior written permission. 156145Snate@binkert.org * 166145Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176145Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186145Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196145Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206145Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216145Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226145Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236145Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246145Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256145Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266145Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276145Snate@binkert.org */ 286145Snate@binkert.org 298229Snate@binkert.org#include "base/misc.hh" 307056Snate@binkert.org#include "base/str.hh" 318615Snilay@cs.wisc.edu#include "config/the_isa.hh" 328615Snilay@cs.wisc.edu#if THE_ISA == X86_ISA 338615Snilay@cs.wisc.edu#include "arch/x86/insts/microldstop.hh" 348615Snilay@cs.wisc.edu#endif // X86_ISA 357632SBrad.Beckmann@amd.com#include "cpu/testers/rubytest/RubyTester.hh" 368232Snate@binkert.org#include "debug/MemoryAccess.hh" 378232Snate@binkert.org#include "debug/ProtocolTrace.hh" 388615Snilay@cs.wisc.edu#include "debug/RubySequencer.hh" 399104Shestness@cs.utexas.edu#include "debug/RubyStats.hh" 408615Snilay@cs.wisc.edu#include "mem/protocol/PrefetchBit.hh" 418615Snilay@cs.wisc.edu#include "mem/protocol/RubyAccessMode.hh" 427039Snate@binkert.org#include "mem/ruby/buffers/MessageBuffer.hh" 437039Snate@binkert.org#include "mem/ruby/common/Global.hh" 447039Snate@binkert.org#include "mem/ruby/profiler/Profiler.hh" 458229Snate@binkert.org#include "mem/ruby/slicc_interface/RubyRequest.hh" 466154Snate@binkert.org#include "mem/ruby/system/Sequencer.hh" 476154Snate@binkert.org#include "mem/ruby/system/System.hh" 487550SBrad.Beckmann@amd.com#include "mem/packet.hh" 496876Ssteve.reinhardt@amd.com 507055Snate@binkert.orgusing namespace std; 517055Snate@binkert.org 526876Ssteve.reinhardt@amd.comSequencer * 536876Ssteve.reinhardt@amd.comRubySequencerParams::create() 546285Snate@binkert.org{ 556876Ssteve.reinhardt@amd.com return new Sequencer(this); 566285Snate@binkert.org} 577039Snate@binkert.org 586876Ssteve.reinhardt@amd.comSequencer::Sequencer(const Params *p) 596886SBrad.Beckmann@amd.com : RubyPort(p), deadlockCheckEvent(this) 606876Ssteve.reinhardt@amd.com{ 616876Ssteve.reinhardt@amd.com m_store_waiting_on_load_cycles = 0; 626876Ssteve.reinhardt@amd.com m_store_waiting_on_store_cycles = 0; 636876Ssteve.reinhardt@amd.com m_load_waiting_on_store_cycles = 0; 646876Ssteve.reinhardt@amd.com m_load_waiting_on_load_cycles = 0; 657039Snate@binkert.org 666876Ssteve.reinhardt@amd.com m_outstanding_count = 0; 676285Snate@binkert.org 686876Ssteve.reinhardt@amd.com m_instCache_ptr = p->icache; 696876Ssteve.reinhardt@amd.com m_dataCache_ptr = p->dcache; 706876Ssteve.reinhardt@amd.com m_max_outstanding_requests = p->max_outstanding_requests; 716876Ssteve.reinhardt@amd.com m_deadlock_threshold = p->deadlock_threshold; 726899SBrad.Beckmann@amd.com 736876Ssteve.reinhardt@amd.com assert(m_max_outstanding_requests > 0); 746876Ssteve.reinhardt@amd.com assert(m_deadlock_threshold > 0); 756876Ssteve.reinhardt@amd.com assert(m_instCache_ptr != NULL); 766876Ssteve.reinhardt@amd.com assert(m_dataCache_ptr != NULL); 778171Stushar@csail.mit.edu 788171Stushar@csail.mit.edu m_usingNetworkTester = p->using_network_tester; 796145Snate@binkert.org} 806145Snate@binkert.org 817039Snate@binkert.orgSequencer::~Sequencer() 827039Snate@binkert.org{ 836145Snate@binkert.org} 846145Snate@binkert.org 857039Snate@binkert.orgvoid 867039Snate@binkert.orgSequencer::wakeup() 877039Snate@binkert.org{ 887039Snate@binkert.org // Check for deadlock of any of the requests 899171Snilay@cs.wisc.edu Time current_time = g_system_ptr->getTime(); 906145Snate@binkert.org 917039Snate@binkert.org // Check across all outstanding requests 927039Snate@binkert.org int total_outstanding = 0; 936285Snate@binkert.org 947455Snate@binkert.org RequestTable::iterator read = m_readRequestTable.begin(); 957455Snate@binkert.org RequestTable::iterator read_end = m_readRequestTable.end(); 967455Snate@binkert.org for (; read != read_end; ++read) { 977455Snate@binkert.org SequencerRequest* request = read->second; 987455Snate@binkert.org if (current_time - request->issue_time < m_deadlock_threshold) 997455Snate@binkert.org continue; 1007455Snate@binkert.org 1017805Snilay@cs.wisc.edu panic("Possible Deadlock detected. Aborting!\n" 1027921SBrad.Beckmann@amd.com "version: %d request.paddr: 0x%x m_readRequestTable: %d " 1037805Snilay@cs.wisc.edu "current time: %u issue_time: %d difference: %d\n", m_version, 1048615Snilay@cs.wisc.edu Address(request->pkt->getAddr()), m_readRequestTable.size(), 1057805Snilay@cs.wisc.edu current_time, request->issue_time, 1067805Snilay@cs.wisc.edu current_time - request->issue_time); 1076145Snate@binkert.org } 1086145Snate@binkert.org 1097455Snate@binkert.org RequestTable::iterator write = m_writeRequestTable.begin(); 1107455Snate@binkert.org RequestTable::iterator write_end = m_writeRequestTable.end(); 1117455Snate@binkert.org for (; write != write_end; ++write) { 1127455Snate@binkert.org SequencerRequest* request = write->second; 1137455Snate@binkert.org if (current_time - request->issue_time < m_deadlock_threshold) 1147455Snate@binkert.org continue; 1157455Snate@binkert.org 1167805Snilay@cs.wisc.edu panic("Possible Deadlock detected. Aborting!\n" 1177921SBrad.Beckmann@amd.com "version: %d request.paddr: 0x%x m_writeRequestTable: %d " 1187805Snilay@cs.wisc.edu "current time: %u issue_time: %d difference: %d\n", m_version, 1198615Snilay@cs.wisc.edu Address(request->pkt->getAddr()), m_writeRequestTable.size(), 1207805Snilay@cs.wisc.edu current_time, request->issue_time, 1217805Snilay@cs.wisc.edu current_time - request->issue_time); 1226145Snate@binkert.org } 1236285Snate@binkert.org 1247039Snate@binkert.org total_outstanding += m_writeRequestTable.size(); 1257039Snate@binkert.org total_outstanding += m_readRequestTable.size(); 1266145Snate@binkert.org 1277039Snate@binkert.org assert(m_outstanding_count == total_outstanding); 1287039Snate@binkert.org 1297039Snate@binkert.org if (m_outstanding_count > 0) { 1307039Snate@binkert.org // If there are still outstanding requests, keep checking 1317039Snate@binkert.org schedule(deadlockCheckEvent, 1329206Snilay@cs.wisc.edu g_system_ptr->clockPeriod() * m_deadlock_threshold + curTick()); 1337039Snate@binkert.org } 1346145Snate@binkert.org} 1356145Snate@binkert.org 1367039Snate@binkert.orgvoid 1377039Snate@binkert.orgSequencer::printStats(ostream & out) const 1387039Snate@binkert.org{ 1397039Snate@binkert.org out << "Sequencer: " << m_name << endl 1407039Snate@binkert.org << " store_waiting_on_load_cycles: " 1417039Snate@binkert.org << m_store_waiting_on_load_cycles << endl 1427039Snate@binkert.org << " store_waiting_on_store_cycles: " 1437039Snate@binkert.org << m_store_waiting_on_store_cycles << endl 1447039Snate@binkert.org << " load_waiting_on_load_cycles: " 1457039Snate@binkert.org << m_load_waiting_on_load_cycles << endl 1467039Snate@binkert.org << " load_waiting_on_store_cycles: " 1477039Snate@binkert.org << m_load_waiting_on_store_cycles << endl; 1486859Sdrh5@cs.wisc.edu} 1496859Sdrh5@cs.wisc.edu 1507039Snate@binkert.orgvoid 1517039Snate@binkert.orgSequencer::printProgress(ostream& out) const 1527039Snate@binkert.org{ 1537039Snate@binkert.org#if 0 1547039Snate@binkert.org int total_demand = 0; 1557039Snate@binkert.org out << "Sequencer Stats Version " << m_version << endl; 1569171Snilay@cs.wisc.edu out << "Current time = " << g_system_ptr->getTime() << endl; 1577039Snate@binkert.org out << "---------------" << endl; 1587039Snate@binkert.org out << "outstanding requests" << endl; 1596145Snate@binkert.org 1607455Snate@binkert.org out << "proc " << m_Read 1617455Snate@binkert.org << " version Requests = " << m_readRequestTable.size() << endl; 1626145Snate@binkert.org 1637039Snate@binkert.org // print the request table 1647455Snate@binkert.org RequestTable::iterator read = m_readRequestTable.begin(); 1657455Snate@binkert.org RequestTable::iterator read_end = m_readRequestTable.end(); 1667455Snate@binkert.org for (; read != read_end; ++read) { 1677455Snate@binkert.org SequencerRequest* request = read->second; 1687039Snate@binkert.org out << "\tRequest[ " << i << " ] = " << request->type 1697039Snate@binkert.org << " Address " << rkeys[i] 1707039Snate@binkert.org << " Posted " << request->issue_time 1717039Snate@binkert.org << " PF " << PrefetchBit_No << endl; 1726145Snate@binkert.org total_demand++; 1737039Snate@binkert.org } 1746145Snate@binkert.org 1757455Snate@binkert.org out << "proc " << m_version 1767455Snate@binkert.org << " Write Requests = " << m_writeRequestTable.size << endl; 1776285Snate@binkert.org 1787039Snate@binkert.org // print the request table 1797455Snate@binkert.org RequestTable::iterator write = m_writeRequestTable.begin(); 1807455Snate@binkert.org RequestTable::iterator write_end = m_writeRequestTable.end(); 1817455Snate@binkert.org for (; write != write_end; ++write) { 1827455Snate@binkert.org SequencerRequest* request = write->second; 1837039Snate@binkert.org out << "\tRequest[ " << i << " ] = " << request.getType() 1847039Snate@binkert.org << " Address " << wkeys[i] 1857039Snate@binkert.org << " Posted " << request.getTime() 1867039Snate@binkert.org << " PF " << request.getPrefetch() << endl; 1877039Snate@binkert.org if (request.getPrefetch() == PrefetchBit_No) { 1887039Snate@binkert.org total_demand++; 1897039Snate@binkert.org } 1907039Snate@binkert.org } 1917039Snate@binkert.org 1927039Snate@binkert.org out << endl; 1937039Snate@binkert.org 1947039Snate@binkert.org out << "Total Number Outstanding: " << m_outstanding_count << endl 1957039Snate@binkert.org << "Total Number Demand : " << total_demand << endl 1967039Snate@binkert.org << "Total Number Prefetches : " << m_outstanding_count - total_demand 1977039Snate@binkert.org << endl << endl << endl; 1987039Snate@binkert.org#endif 1996145Snate@binkert.org} 2006145Snate@binkert.org 2016145Snate@binkert.org// Insert the request on the correct request table. Return true if 2026145Snate@binkert.org// the entry was already present. 2038615Snilay@cs.wisc.eduRequestStatus 2048615Snilay@cs.wisc.eduSequencer::insertRequest(PacketPtr pkt, RubyRequestType request_type) 2057039Snate@binkert.org{ 2068641Snate@binkert.org assert(m_outstanding_count == 2078641Snate@binkert.org (m_writeRequestTable.size() + m_readRequestTable.size())); 2086145Snate@binkert.org 2097039Snate@binkert.org // See if we should schedule a deadlock check 2107039Snate@binkert.org if (deadlockCheckEvent.scheduled() == false) { 2119011Snilay@cs.wisc.edu schedule(deadlockCheckEvent, 2129206Snilay@cs.wisc.edu g_system_ptr->clockPeriod() * m_deadlock_threshold + curTick()); 2137039Snate@binkert.org } 2146145Snate@binkert.org 2158615Snilay@cs.wisc.edu Address line_addr(pkt->getAddr()); 2167039Snate@binkert.org line_addr.makeLineAddress(); 2179224Sandreas.hansson@arm.com // Create a default entry, mapping the address to NULL, the cast is 2189224Sandreas.hansson@arm.com // there to make gcc 4.4 happy 2199224Sandreas.hansson@arm.com RequestTable::value_type default_entry(line_addr, 2209224Sandreas.hansson@arm.com (SequencerRequest*) NULL); 2219224Sandreas.hansson@arm.com 2228615Snilay@cs.wisc.edu if ((request_type == RubyRequestType_ST) || 2238615Snilay@cs.wisc.edu (request_type == RubyRequestType_RMW_Read) || 2248615Snilay@cs.wisc.edu (request_type == RubyRequestType_RMW_Write) || 2258615Snilay@cs.wisc.edu (request_type == RubyRequestType_Load_Linked) || 2268615Snilay@cs.wisc.edu (request_type == RubyRequestType_Store_Conditional) || 2278615Snilay@cs.wisc.edu (request_type == RubyRequestType_Locked_RMW_Read) || 2288615Snilay@cs.wisc.edu (request_type == RubyRequestType_Locked_RMW_Write) || 2298615Snilay@cs.wisc.edu (request_type == RubyRequestType_FLUSH)) { 2308615Snilay@cs.wisc.edu 2318615Snilay@cs.wisc.edu // Check if there is any outstanding read request for the same 2328615Snilay@cs.wisc.edu // cache line. 2338615Snilay@cs.wisc.edu if (m_readRequestTable.count(line_addr) > 0) { 2348615Snilay@cs.wisc.edu m_store_waiting_on_load_cycles++; 2358615Snilay@cs.wisc.edu return RequestStatus_Aliased; 2368615Snilay@cs.wisc.edu } 2378615Snilay@cs.wisc.edu 2387455Snate@binkert.org pair<RequestTable::iterator, bool> r = 2399224Sandreas.hansson@arm.com m_writeRequestTable.insert(default_entry); 2408615Snilay@cs.wisc.edu if (r.second) { 2418615Snilay@cs.wisc.edu RequestTable::iterator i = r.first; 2428615Snilay@cs.wisc.edu i->second = new SequencerRequest(pkt, request_type, 2439171Snilay@cs.wisc.edu g_system_ptr->getTime()); 2448615Snilay@cs.wisc.edu m_outstanding_count++; 2458615Snilay@cs.wisc.edu } else { 2468615Snilay@cs.wisc.edu // There is an outstanding write request for the cache line 2478615Snilay@cs.wisc.edu m_store_waiting_on_store_cycles++; 2488615Snilay@cs.wisc.edu return RequestStatus_Aliased; 2498615Snilay@cs.wisc.edu } 2508615Snilay@cs.wisc.edu } else { 2518615Snilay@cs.wisc.edu // Check if there is any outstanding write request for the same 2528615Snilay@cs.wisc.edu // cache line. 2538615Snilay@cs.wisc.edu if (m_writeRequestTable.count(line_addr) > 0) { 2548615Snilay@cs.wisc.edu m_load_waiting_on_store_cycles++; 2558615Snilay@cs.wisc.edu return RequestStatus_Aliased; 2568615Snilay@cs.wisc.edu } 2577039Snate@binkert.org 2587455Snate@binkert.org pair<RequestTable::iterator, bool> r = 2599224Sandreas.hansson@arm.com m_readRequestTable.insert(default_entry); 2607039Snate@binkert.org 2618615Snilay@cs.wisc.edu if (r.second) { 2628615Snilay@cs.wisc.edu RequestTable::iterator i = r.first; 2638615Snilay@cs.wisc.edu i->second = new SequencerRequest(pkt, request_type, 2649171Snilay@cs.wisc.edu g_system_ptr->getTime()); 2658615Snilay@cs.wisc.edu m_outstanding_count++; 2668615Snilay@cs.wisc.edu } else { 2678615Snilay@cs.wisc.edu // There is an outstanding read request for the cache line 2688615Snilay@cs.wisc.edu m_load_waiting_on_load_cycles++; 2698615Snilay@cs.wisc.edu return RequestStatus_Aliased; 2707039Snate@binkert.org } 2716145Snate@binkert.org } 2726145Snate@binkert.org 2737039Snate@binkert.org g_system_ptr->getProfiler()->sequencerRequests(m_outstanding_count); 2748641Snate@binkert.org assert(m_outstanding_count == 2758641Snate@binkert.org (m_writeRequestTable.size() + m_readRequestTable.size())); 2766145Snate@binkert.org 2778615Snilay@cs.wisc.edu return RequestStatus_Ready; 2786145Snate@binkert.org} 2796145Snate@binkert.org 2807039Snate@binkert.orgvoid 2817455Snate@binkert.orgSequencer::markRemoved() 2827455Snate@binkert.org{ 2837455Snate@binkert.org m_outstanding_count--; 2847455Snate@binkert.org assert(m_outstanding_count == 2857455Snate@binkert.org m_writeRequestTable.size() + m_readRequestTable.size()); 2867455Snate@binkert.org} 2877455Snate@binkert.org 2887455Snate@binkert.orgvoid 2897039Snate@binkert.orgSequencer::removeRequest(SequencerRequest* srequest) 2907039Snate@binkert.org{ 2917039Snate@binkert.org assert(m_outstanding_count == 2927039Snate@binkert.org m_writeRequestTable.size() + m_readRequestTable.size()); 2936145Snate@binkert.org 2948615Snilay@cs.wisc.edu Address line_addr(srequest->pkt->getAddr()); 2957039Snate@binkert.org line_addr.makeLineAddress(); 2968615Snilay@cs.wisc.edu if ((srequest->m_type == RubyRequestType_ST) || 2978615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_RMW_Read) || 2988615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_RMW_Write) || 2998615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_Load_Linked) || 3008615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_Store_Conditional) || 3018615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_Locked_RMW_Read) || 3028615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_Locked_RMW_Write)) { 3037455Snate@binkert.org m_writeRequestTable.erase(line_addr); 3047039Snate@binkert.org } else { 3057455Snate@binkert.org m_readRequestTable.erase(line_addr); 3067039Snate@binkert.org } 3076285Snate@binkert.org 3087455Snate@binkert.org markRemoved(); 3096145Snate@binkert.org} 3106145Snate@binkert.org 3117560SBrad.Beckmann@amd.combool 3127560SBrad.Beckmann@amd.comSequencer::handleLlsc(const Address& address, SequencerRequest* request) 3137550SBrad.Beckmann@amd.com{ 3147560SBrad.Beckmann@amd.com // 3157560SBrad.Beckmann@amd.com // The success flag indicates whether the LLSC operation was successful. 3167560SBrad.Beckmann@amd.com // LL ops will always succeed, but SC may fail if the cache line is no 3177560SBrad.Beckmann@amd.com // longer locked. 3187560SBrad.Beckmann@amd.com // 3197560SBrad.Beckmann@amd.com bool success = true; 3208615Snilay@cs.wisc.edu if (request->m_type == RubyRequestType_Store_Conditional) { 3217550SBrad.Beckmann@amd.com if (!m_dataCache_ptr->isLocked(address, m_version)) { 3227550SBrad.Beckmann@amd.com // 3237550SBrad.Beckmann@amd.com // For failed SC requests, indicate the failure to the cpu by 3247550SBrad.Beckmann@amd.com // setting the extra data to zero. 3257550SBrad.Beckmann@amd.com // 3268615Snilay@cs.wisc.edu request->pkt->req->setExtraData(0); 3277560SBrad.Beckmann@amd.com success = false; 3287550SBrad.Beckmann@amd.com } else { 3297550SBrad.Beckmann@amd.com // 3307550SBrad.Beckmann@amd.com // For successful SC requests, indicate the success to the cpu by 3317550SBrad.Beckmann@amd.com // setting the extra data to one. 3327550SBrad.Beckmann@amd.com // 3338615Snilay@cs.wisc.edu request->pkt->req->setExtraData(1); 3347550SBrad.Beckmann@amd.com } 3357560SBrad.Beckmann@amd.com // 3367560SBrad.Beckmann@amd.com // Independent of success, all SC operations must clear the lock 3377560SBrad.Beckmann@amd.com // 3387550SBrad.Beckmann@amd.com m_dataCache_ptr->clearLocked(address); 3398615Snilay@cs.wisc.edu } else if (request->m_type == RubyRequestType_Load_Linked) { 3407550SBrad.Beckmann@amd.com // 3417550SBrad.Beckmann@amd.com // Note: To fully follow Alpha LLSC semantics, should the LL clear any 3427550SBrad.Beckmann@amd.com // previously locked cache lines? 3437550SBrad.Beckmann@amd.com // 3447550SBrad.Beckmann@amd.com m_dataCache_ptr->setLocked(address, m_version); 3458615Snilay@cs.wisc.edu } else if ((m_dataCache_ptr->isTagPresent(address)) && 3468615Snilay@cs.wisc.edu (m_dataCache_ptr->isLocked(address, m_version))) { 3477550SBrad.Beckmann@amd.com // 3487550SBrad.Beckmann@amd.com // Normal writes should clear the locked address 3497550SBrad.Beckmann@amd.com // 3507550SBrad.Beckmann@amd.com m_dataCache_ptr->clearLocked(address); 3517550SBrad.Beckmann@amd.com } 3527560SBrad.Beckmann@amd.com return success; 3537550SBrad.Beckmann@amd.com} 3547550SBrad.Beckmann@amd.com 3557550SBrad.Beckmann@amd.comvoid 3567039Snate@binkert.orgSequencer::writeCallback(const Address& address, DataBlock& data) 3577039Snate@binkert.org{ 3587546SBrad.Beckmann@amd.com writeCallback(address, GenericMachineType_NULL, data); 3597546SBrad.Beckmann@amd.com} 3607546SBrad.Beckmann@amd.com 3617546SBrad.Beckmann@amd.comvoid 3627546SBrad.Beckmann@amd.comSequencer::writeCallback(const Address& address, 3637546SBrad.Beckmann@amd.com GenericMachineType mach, 3647546SBrad.Beckmann@amd.com DataBlock& data) 3657546SBrad.Beckmann@amd.com{ 3667565SBrad.Beckmann@amd.com writeCallback(address, mach, data, 0, 0, 0); 3677565SBrad.Beckmann@amd.com} 3687565SBrad.Beckmann@amd.com 3697565SBrad.Beckmann@amd.comvoid 3707565SBrad.Beckmann@amd.comSequencer::writeCallback(const Address& address, 3717565SBrad.Beckmann@amd.com GenericMachineType mach, 3727565SBrad.Beckmann@amd.com DataBlock& data, 3737565SBrad.Beckmann@amd.com Time initialRequestTime, 3747565SBrad.Beckmann@amd.com Time forwardRequestTime, 3757565SBrad.Beckmann@amd.com Time firstResponseTime) 3767565SBrad.Beckmann@amd.com{ 3777039Snate@binkert.org assert(address == line_address(address)); 3787455Snate@binkert.org assert(m_writeRequestTable.count(line_address(address))); 3796145Snate@binkert.org 3807455Snate@binkert.org RequestTable::iterator i = m_writeRequestTable.find(address); 3817455Snate@binkert.org assert(i != m_writeRequestTable.end()); 3827455Snate@binkert.org SequencerRequest* request = i->second; 3836145Snate@binkert.org 3847455Snate@binkert.org m_writeRequestTable.erase(i); 3857455Snate@binkert.org markRemoved(); 3866846Spdudnik@cs.wisc.edu 3878615Snilay@cs.wisc.edu assert((request->m_type == RubyRequestType_ST) || 3888615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_ATOMIC) || 3898615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_RMW_Read) || 3908615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_RMW_Write) || 3918615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_Load_Linked) || 3928615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_Store_Conditional) || 3938615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_Locked_RMW_Read) || 3948615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_Locked_RMW_Write) || 3958615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_FLUSH)); 3968184Ssomayeh@cs.wisc.edu 3976145Snate@binkert.org 3987550SBrad.Beckmann@amd.com // 3997550SBrad.Beckmann@amd.com // For Alpha, properly handle LL, SC, and write requests with respect to 4007550SBrad.Beckmann@amd.com // locked cache blocks. 4017550SBrad.Beckmann@amd.com // 4028171Stushar@csail.mit.edu // Not valid for Network_test protocl 4038171Stushar@csail.mit.edu // 4048171Stushar@csail.mit.edu bool success = true; 4058171Stushar@csail.mit.edu if(!m_usingNetworkTester) 4068171Stushar@csail.mit.edu success = handleLlsc(address, request); 4077550SBrad.Beckmann@amd.com 4088615Snilay@cs.wisc.edu if (request->m_type == RubyRequestType_Locked_RMW_Read) { 4097039Snate@binkert.org m_controller->blockOnQueue(address, m_mandatory_q_ptr); 4108615Snilay@cs.wisc.edu } else if (request->m_type == RubyRequestType_Locked_RMW_Write) { 4117039Snate@binkert.org m_controller->unblock(address); 4127039Snate@binkert.org } 4136863Sdrh5@cs.wisc.edu 4147565SBrad.Beckmann@amd.com hitCallback(request, mach, data, success, 4157565SBrad.Beckmann@amd.com initialRequestTime, forwardRequestTime, firstResponseTime); 4166145Snate@binkert.org} 4176145Snate@binkert.org 4187039Snate@binkert.orgvoid 4197039Snate@binkert.orgSequencer::readCallback(const Address& address, DataBlock& data) 4207039Snate@binkert.org{ 4217546SBrad.Beckmann@amd.com readCallback(address, GenericMachineType_NULL, data); 4227546SBrad.Beckmann@amd.com} 4237546SBrad.Beckmann@amd.com 4247546SBrad.Beckmann@amd.comvoid 4257546SBrad.Beckmann@amd.comSequencer::readCallback(const Address& address, 4267546SBrad.Beckmann@amd.com GenericMachineType mach, 4277546SBrad.Beckmann@amd.com DataBlock& data) 4287546SBrad.Beckmann@amd.com{ 4297565SBrad.Beckmann@amd.com readCallback(address, mach, data, 0, 0, 0); 4307565SBrad.Beckmann@amd.com} 4317565SBrad.Beckmann@amd.com 4327565SBrad.Beckmann@amd.comvoid 4337565SBrad.Beckmann@amd.comSequencer::readCallback(const Address& address, 4347565SBrad.Beckmann@amd.com GenericMachineType mach, 4357565SBrad.Beckmann@amd.com DataBlock& data, 4367565SBrad.Beckmann@amd.com Time initialRequestTime, 4377565SBrad.Beckmann@amd.com Time forwardRequestTime, 4387565SBrad.Beckmann@amd.com Time firstResponseTime) 4397565SBrad.Beckmann@amd.com{ 4407039Snate@binkert.org assert(address == line_address(address)); 4417455Snate@binkert.org assert(m_readRequestTable.count(line_address(address))); 4426145Snate@binkert.org 4437455Snate@binkert.org RequestTable::iterator i = m_readRequestTable.find(address); 4447455Snate@binkert.org assert(i != m_readRequestTable.end()); 4457455Snate@binkert.org SequencerRequest* request = i->second; 4467455Snate@binkert.org 4477455Snate@binkert.org m_readRequestTable.erase(i); 4487455Snate@binkert.org markRemoved(); 4496145Snate@binkert.org 4508615Snilay@cs.wisc.edu assert((request->m_type == RubyRequestType_LD) || 4518615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_IFETCH)); 4526285Snate@binkert.org 4537565SBrad.Beckmann@amd.com hitCallback(request, mach, data, true, 4547565SBrad.Beckmann@amd.com initialRequestTime, forwardRequestTime, firstResponseTime); 4556145Snate@binkert.org} 4566145Snate@binkert.org 4577039Snate@binkert.orgvoid 4587546SBrad.Beckmann@amd.comSequencer::hitCallback(SequencerRequest* srequest, 4597546SBrad.Beckmann@amd.com GenericMachineType mach, 4607560SBrad.Beckmann@amd.com DataBlock& data, 4617565SBrad.Beckmann@amd.com bool success, 4627565SBrad.Beckmann@amd.com Time initialRequestTime, 4637565SBrad.Beckmann@amd.com Time forwardRequestTime, 4647565SBrad.Beckmann@amd.com Time firstResponseTime) 4657039Snate@binkert.org{ 4668615Snilay@cs.wisc.edu PacketPtr pkt = srequest->pkt; 4678615Snilay@cs.wisc.edu Address request_address(pkt->getAddr()); 4688615Snilay@cs.wisc.edu Address request_line_address(pkt->getAddr()); 4697039Snate@binkert.org request_line_address.makeLineAddress(); 4708615Snilay@cs.wisc.edu RubyRequestType type = srequest->m_type; 4717039Snate@binkert.org Time issued_time = srequest->issue_time; 4726145Snate@binkert.org 4737039Snate@binkert.org // Set this cache entry to the most recently used 4747039Snate@binkert.org if (type == RubyRequestType_IFETCH) { 4758828Snilay@cs.wisc.edu m_instCache_ptr->setMRU(request_line_address); 4767039Snate@binkert.org } else { 4778828Snilay@cs.wisc.edu m_dataCache_ptr->setMRU(request_line_address); 4787039Snate@binkert.org } 4796145Snate@binkert.org 4809171Snilay@cs.wisc.edu assert(g_system_ptr->getTime() >= issued_time); 4819171Snilay@cs.wisc.edu Time miss_latency = g_system_ptr->getTime() - issued_time; 4826145Snate@binkert.org 4837039Snate@binkert.org // Profile the miss latency for all non-zero demand misses 4847039Snate@binkert.org if (miss_latency != 0) { 4857546SBrad.Beckmann@amd.com g_system_ptr->getProfiler()->missLatency(miss_latency, type, mach); 4866285Snate@binkert.org 4877565SBrad.Beckmann@amd.com if (mach == GenericMachineType_L1Cache_wCC) { 4887565SBrad.Beckmann@amd.com g_system_ptr->getProfiler()->missLatencyWcc(issued_time, 4897565SBrad.Beckmann@amd.com initialRequestTime, 4907565SBrad.Beckmann@amd.com forwardRequestTime, 4917565SBrad.Beckmann@amd.com firstResponseTime, 4929171Snilay@cs.wisc.edu g_system_ptr->getTime()); 4937565SBrad.Beckmann@amd.com } 4947565SBrad.Beckmann@amd.com 4957565SBrad.Beckmann@amd.com if (mach == GenericMachineType_Directory) { 4967565SBrad.Beckmann@amd.com g_system_ptr->getProfiler()->missLatencyDir(issued_time, 4977565SBrad.Beckmann@amd.com initialRequestTime, 4987565SBrad.Beckmann@amd.com forwardRequestTime, 4997565SBrad.Beckmann@amd.com firstResponseTime, 5009171Snilay@cs.wisc.edu g_system_ptr->getTime()); 5017565SBrad.Beckmann@amd.com } 5027565SBrad.Beckmann@amd.com 5038266Sksewell@umich.edu DPRINTFR(ProtocolTrace, "%15s %3s %10s%20s %6s>%-6s %s %d cycles\n", 5048266Sksewell@umich.edu curTick(), m_version, "Seq", 5058266Sksewell@umich.edu success ? "Done" : "SC_Failed", "", "", 5068615Snilay@cs.wisc.edu request_address, miss_latency); 5076285Snate@binkert.org } 5086285Snate@binkert.org 5097039Snate@binkert.org // update the data 5108688Snilay@cs.wisc.edu if (g_system_ptr->m_warmup_enabled) { 5118688Snilay@cs.wisc.edu assert(pkt->getPtr<uint8_t>(false) != NULL); 5128688Snilay@cs.wisc.edu data.setData(pkt->getPtr<uint8_t>(false), 5138688Snilay@cs.wisc.edu request_address.getOffset(), pkt->getSize()); 5148688Snilay@cs.wisc.edu } else if (pkt->getPtr<uint8_t>(true) != NULL) { 5157039Snate@binkert.org if ((type == RubyRequestType_LD) || 5167039Snate@binkert.org (type == RubyRequestType_IFETCH) || 5177039Snate@binkert.org (type == RubyRequestType_RMW_Read) || 5187908Shestness@cs.utexas.edu (type == RubyRequestType_Locked_RMW_Read) || 5197907Shestness@cs.utexas.edu (type == RubyRequestType_Load_Linked)) { 5208615Snilay@cs.wisc.edu memcpy(pkt->getPtr<uint8_t>(true), 5218615Snilay@cs.wisc.edu data.getData(request_address.getOffset(), pkt->getSize()), 5228615Snilay@cs.wisc.edu pkt->getSize()); 5237039Snate@binkert.org } else { 5248615Snilay@cs.wisc.edu data.setData(pkt->getPtr<uint8_t>(true), 5258615Snilay@cs.wisc.edu request_address.getOffset(), pkt->getSize()); 5267039Snate@binkert.org } 5276285Snate@binkert.org } else { 5287039Snate@binkert.org DPRINTF(MemoryAccess, 5297039Snate@binkert.org "WARNING. Data not transfered from Ruby to M5 for type %s\n", 5307039Snate@binkert.org RubyRequestType_to_string(type)); 5317039Snate@binkert.org } 5327023SBrad.Beckmann@amd.com 5337039Snate@binkert.org // If using the RubyTester, update the RubyTester sender state's 5347039Snate@binkert.org // subBlock with the recieved data. The tester will later access 5357039Snate@binkert.org // this state. 5367039Snate@binkert.org // Note: RubyPort will access it's sender state before the 5377039Snate@binkert.org // RubyTester. 5387039Snate@binkert.org if (m_usingRubyTester) { 5397039Snate@binkert.org RubyPort::SenderState *requestSenderState = 5408615Snilay@cs.wisc.edu safe_cast<RubyPort::SenderState*>(pkt->senderState); 5417039Snate@binkert.org RubyTester::SenderState* testerSenderState = 5427039Snate@binkert.org safe_cast<RubyTester::SenderState*>(requestSenderState->saved); 5437039Snate@binkert.org testerSenderState->subBlock->mergeFrom(data); 5447039Snate@binkert.org } 5457023SBrad.Beckmann@amd.com 5467039Snate@binkert.org delete srequest; 5478688Snilay@cs.wisc.edu 5488688Snilay@cs.wisc.edu if (g_system_ptr->m_warmup_enabled) { 5498688Snilay@cs.wisc.edu delete pkt; 5508688Snilay@cs.wisc.edu g_system_ptr->m_cache_recorder->enqueueNextFetchRequest(); 5518688Snilay@cs.wisc.edu } else if (g_system_ptr->m_cooldown_enabled) { 5528688Snilay@cs.wisc.edu delete pkt; 5538688Snilay@cs.wisc.edu g_system_ptr->m_cache_recorder->enqueueNextFlushRequest(); 5548688Snilay@cs.wisc.edu } else { 5558688Snilay@cs.wisc.edu ruby_hit_callback(pkt); 5568688Snilay@cs.wisc.edu } 5576285Snate@binkert.org} 5586285Snate@binkert.org 5597039Snate@binkert.orgbool 5607039Snate@binkert.orgSequencer::empty() const 5617039Snate@binkert.org{ 5627455Snate@binkert.org return m_writeRequestTable.empty() && m_readRequestTable.empty(); 5636145Snate@binkert.org} 5646145Snate@binkert.org 5657039Snate@binkert.orgRequestStatus 5668615Snilay@cs.wisc.eduSequencer::makeRequest(PacketPtr pkt) 5677039Snate@binkert.org{ 5688615Snilay@cs.wisc.edu if (m_outstanding_count >= m_max_outstanding_requests) { 5698615Snilay@cs.wisc.edu return RequestStatus_BufferFull; 5708615Snilay@cs.wisc.edu } 5718615Snilay@cs.wisc.edu 5728615Snilay@cs.wisc.edu RubyRequestType primary_type = RubyRequestType_NULL; 5738615Snilay@cs.wisc.edu RubyRequestType secondary_type = RubyRequestType_NULL; 5748615Snilay@cs.wisc.edu 5758615Snilay@cs.wisc.edu if (pkt->isLLSC()) { 5768615Snilay@cs.wisc.edu // 5778615Snilay@cs.wisc.edu // Alpha LL/SC instructions need to be handled carefully by the cache 5788615Snilay@cs.wisc.edu // coherence protocol to ensure they follow the proper semantics. In 5798615Snilay@cs.wisc.edu // particular, by identifying the operations as atomic, the protocol 5808615Snilay@cs.wisc.edu // should understand that migratory sharing optimizations should not 5818615Snilay@cs.wisc.edu // be performed (i.e. a load between the LL and SC should not steal 5828615Snilay@cs.wisc.edu // away exclusive permission). 5838615Snilay@cs.wisc.edu // 5848615Snilay@cs.wisc.edu if (pkt->isWrite()) { 5858615Snilay@cs.wisc.edu DPRINTF(RubySequencer, "Issuing SC\n"); 5868615Snilay@cs.wisc.edu primary_type = RubyRequestType_Store_Conditional; 5878615Snilay@cs.wisc.edu } else { 5888615Snilay@cs.wisc.edu DPRINTF(RubySequencer, "Issuing LL\n"); 5898615Snilay@cs.wisc.edu assert(pkt->isRead()); 5908615Snilay@cs.wisc.edu primary_type = RubyRequestType_Load_Linked; 5918615Snilay@cs.wisc.edu } 5928615Snilay@cs.wisc.edu secondary_type = RubyRequestType_ATOMIC; 5938615Snilay@cs.wisc.edu } else if (pkt->req->isLocked()) { 5948615Snilay@cs.wisc.edu // 5958615Snilay@cs.wisc.edu // x86 locked instructions are translated to store cache coherence 5968615Snilay@cs.wisc.edu // requests because these requests should always be treated as read 5978615Snilay@cs.wisc.edu // exclusive operations and should leverage any migratory sharing 5988615Snilay@cs.wisc.edu // optimization built into the protocol. 5998615Snilay@cs.wisc.edu // 6008615Snilay@cs.wisc.edu if (pkt->isWrite()) { 6018615Snilay@cs.wisc.edu DPRINTF(RubySequencer, "Issuing Locked RMW Write\n"); 6028615Snilay@cs.wisc.edu primary_type = RubyRequestType_Locked_RMW_Write; 6038615Snilay@cs.wisc.edu } else { 6048615Snilay@cs.wisc.edu DPRINTF(RubySequencer, "Issuing Locked RMW Read\n"); 6058615Snilay@cs.wisc.edu assert(pkt->isRead()); 6068615Snilay@cs.wisc.edu primary_type = RubyRequestType_Locked_RMW_Read; 6078615Snilay@cs.wisc.edu } 6088615Snilay@cs.wisc.edu secondary_type = RubyRequestType_ST; 6098615Snilay@cs.wisc.edu } else { 6108615Snilay@cs.wisc.edu if (pkt->isRead()) { 6118615Snilay@cs.wisc.edu if (pkt->req->isInstFetch()) { 6128615Snilay@cs.wisc.edu primary_type = secondary_type = RubyRequestType_IFETCH; 6138615Snilay@cs.wisc.edu } else { 6148615Snilay@cs.wisc.edu#if THE_ISA == X86_ISA 6158615Snilay@cs.wisc.edu uint32_t flags = pkt->req->getFlags(); 6168615Snilay@cs.wisc.edu bool storeCheck = flags & 6178615Snilay@cs.wisc.edu (TheISA::StoreCheck << TheISA::FlagShift); 6188615Snilay@cs.wisc.edu#else 6198615Snilay@cs.wisc.edu bool storeCheck = false; 6208615Snilay@cs.wisc.edu#endif // X86_ISA 6218615Snilay@cs.wisc.edu if (storeCheck) { 6228615Snilay@cs.wisc.edu primary_type = RubyRequestType_RMW_Read; 6238615Snilay@cs.wisc.edu secondary_type = RubyRequestType_ST; 6248615Snilay@cs.wisc.edu } else { 6258615Snilay@cs.wisc.edu primary_type = secondary_type = RubyRequestType_LD; 6268615Snilay@cs.wisc.edu } 6278615Snilay@cs.wisc.edu } 6288615Snilay@cs.wisc.edu } else if (pkt->isWrite()) { 6298615Snilay@cs.wisc.edu // 6308615Snilay@cs.wisc.edu // Note: M5 packets do not differentiate ST from RMW_Write 6318615Snilay@cs.wisc.edu // 6328615Snilay@cs.wisc.edu primary_type = secondary_type = RubyRequestType_ST; 6338615Snilay@cs.wisc.edu } else if (pkt->isFlush()) { 6348615Snilay@cs.wisc.edu primary_type = secondary_type = RubyRequestType_FLUSH; 6358615Snilay@cs.wisc.edu } else { 6368615Snilay@cs.wisc.edu panic("Unsupported ruby packet type\n"); 6378615Snilay@cs.wisc.edu } 6388615Snilay@cs.wisc.edu } 6398615Snilay@cs.wisc.edu 6408615Snilay@cs.wisc.edu RequestStatus status = insertRequest(pkt, primary_type); 6417039Snate@binkert.org if (status != RequestStatus_Ready) 6427039Snate@binkert.org return status; 6436349Spdudnik@gmail.com 6448615Snilay@cs.wisc.edu issueRequest(pkt, secondary_type); 6456145Snate@binkert.org 6467039Snate@binkert.org // TODO: issue hardware prefetches here 6477039Snate@binkert.org return RequestStatus_Issued; 6486145Snate@binkert.org} 6496145Snate@binkert.org 6507039Snate@binkert.orgvoid 6518615Snilay@cs.wisc.eduSequencer::issueRequest(PacketPtr pkt, RubyRequestType secondary_type) 6527039Snate@binkert.org{ 6539216Sandreas.hansson@arm.com assert(pkt != NULL); 6548615Snilay@cs.wisc.edu int proc_id = -1; 6559216Sandreas.hansson@arm.com if (pkt->req->hasContextId()) { 6568615Snilay@cs.wisc.edu proc_id = pkt->req->contextId(); 6577039Snate@binkert.org } 6586285Snate@binkert.org 6598615Snilay@cs.wisc.edu // If valid, copy the pc to the ruby request 6608615Snilay@cs.wisc.edu Addr pc = 0; 6618615Snilay@cs.wisc.edu if (pkt->req->hasPC()) { 6628615Snilay@cs.wisc.edu pc = pkt->req->getPC(); 6637039Snate@binkert.org } 6646285Snate@binkert.org 6658615Snilay@cs.wisc.edu RubyRequest *msg = new RubyRequest(pkt->getAddr(), 6668615Snilay@cs.wisc.edu pkt->getPtr<uint8_t>(true), 6678615Snilay@cs.wisc.edu pkt->getSize(), pc, secondary_type, 6688615Snilay@cs.wisc.edu RubyAccessMode_Supervisor, pkt, 6698188SLisa.Hsu@amd.com PrefetchBit_No, proc_id); 6706285Snate@binkert.org 6718266Sksewell@umich.edu DPRINTFR(ProtocolTrace, "%15s %3s %10s%20s %6s>%-6s %s %s\n", 6728266Sksewell@umich.edu curTick(), m_version, "Seq", "Begin", "", "", 6738615Snilay@cs.wisc.edu msg->getPhysicalAddress(), 6748615Snilay@cs.wisc.edu RubyRequestType_to_string(secondary_type)); 6756285Snate@binkert.org 6767039Snate@binkert.org Time latency = 0; // initialzed to an null value 6776285Snate@binkert.org 6788615Snilay@cs.wisc.edu if (secondary_type == RubyRequestType_IFETCH) 6797039Snate@binkert.org latency = m_instCache_ptr->getLatency(); 6807039Snate@binkert.org else 6817039Snate@binkert.org latency = m_dataCache_ptr->getLatency(); 6826285Snate@binkert.org 6837039Snate@binkert.org // Send the message to the cache controller 6847039Snate@binkert.org assert(latency > 0); 6856145Snate@binkert.org 6867039Snate@binkert.org assert(m_mandatory_q_ptr != NULL); 6877039Snate@binkert.org m_mandatory_q_ptr->enqueue(msg, latency); 6886145Snate@binkert.org} 6896145Snate@binkert.org 6907455Snate@binkert.orgtemplate <class KEY, class VALUE> 6917455Snate@binkert.orgstd::ostream & 6927455Snate@binkert.orgoperator<<(ostream &out, const m5::hash_map<KEY, VALUE> &map) 6937455Snate@binkert.org{ 6947455Snate@binkert.org typename m5::hash_map<KEY, VALUE>::const_iterator i = map.begin(); 6957455Snate@binkert.org typename m5::hash_map<KEY, VALUE>::const_iterator end = map.end(); 6967455Snate@binkert.org 6977455Snate@binkert.org out << "["; 6987455Snate@binkert.org for (; i != end; ++i) 6997455Snate@binkert.org out << " " << i->first << "=" << i->second; 7007455Snate@binkert.org out << " ]"; 7017455Snate@binkert.org 7027455Snate@binkert.org return out; 7037455Snate@binkert.org} 7047455Snate@binkert.org 7057039Snate@binkert.orgvoid 7067039Snate@binkert.orgSequencer::print(ostream& out) const 7077039Snate@binkert.org{ 7087039Snate@binkert.org out << "[Sequencer: " << m_version 7097039Snate@binkert.org << ", outstanding requests: " << m_outstanding_count 7107039Snate@binkert.org << ", read request table: " << m_readRequestTable 7117039Snate@binkert.org << ", write request table: " << m_writeRequestTable 7127039Snate@binkert.org << "]"; 7137039Snate@binkert.org} 7147039Snate@binkert.org 7157039Snate@binkert.org// this can be called from setState whenever coherence permissions are 7167039Snate@binkert.org// upgraded when invoked, coherence violations will be checked for the 7177039Snate@binkert.org// given block 7187039Snate@binkert.orgvoid 7197039Snate@binkert.orgSequencer::checkCoherence(const Address& addr) 7207039Snate@binkert.org{ 7216145Snate@binkert.org#ifdef CHECK_COHERENCE 7227039Snate@binkert.org g_system_ptr->checkGlobalCoherenceInvariant(addr); 7236145Snate@binkert.org#endif 7246145Snate@binkert.org} 7258717Snilay@cs.wisc.edu 7268717Snilay@cs.wisc.eduvoid 7279104Shestness@cs.utexas.eduSequencer::recordRequestType(SequencerRequestType requestType) { 7289104Shestness@cs.utexas.edu DPRINTF(RubyStats, "Recorded statistic: %s\n", 7299104Shestness@cs.utexas.edu SequencerRequestType_to_string(requestType)); 7309104Shestness@cs.utexas.edu} 7319104Shestness@cs.utexas.edu 7329104Shestness@cs.utexas.edu 7339104Shestness@cs.utexas.eduvoid 7348717Snilay@cs.wisc.eduSequencer::evictionCallback(const Address& address) 7358717Snilay@cs.wisc.edu{ 7368717Snilay@cs.wisc.edu ruby_eviction_callback(address); 7378717Snilay@cs.wisc.edu} 738