bridge.cc revision 11192
12568SN/A/* 211192Sandreas.hansson@arm.com * Copyright (c) 2011-2013, 2015 ARM Limited 38713Sandreas.hansson@arm.com * All rights reserved 48713Sandreas.hansson@arm.com * 58713Sandreas.hansson@arm.com * The license below extends only to copyright in the software and shall 68713Sandreas.hansson@arm.com * not be construed as granting a license to any other intellectual 78713Sandreas.hansson@arm.com * property including but not limited to intellectual property relating 88713Sandreas.hansson@arm.com * to a hardware implementation of the functionality of the software 98713Sandreas.hansson@arm.com * licensed hereunder. You may use the software subject to the license 108713Sandreas.hansson@arm.com * terms below provided that you ensure that this notice is replicated 118713Sandreas.hansson@arm.com * unmodified and in its entirety in all distributions of the software, 128713Sandreas.hansson@arm.com * modified or unmodified, in source code or in binary form. 138713Sandreas.hansson@arm.com * 142568SN/A * Copyright (c) 2006 The Regents of The University of Michigan 152568SN/A * All rights reserved. 162568SN/A * 172568SN/A * Redistribution and use in source and binary forms, with or without 182568SN/A * modification, are permitted provided that the following conditions are 192568SN/A * met: redistributions of source code must retain the above copyright 202568SN/A * notice, this list of conditions and the following disclaimer; 212568SN/A * redistributions in binary form must reproduce the above copyright 222568SN/A * notice, this list of conditions and the following disclaimer in the 232568SN/A * documentation and/or other materials provided with the distribution; 242568SN/A * neither the name of the copyright holders nor the names of its 252568SN/A * contributors may be used to endorse or promote products derived from 262568SN/A * this software without specific prior written permission. 272568SN/A * 282568SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 292568SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 302568SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 312568SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 322568SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 332568SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 342568SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 352568SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 362568SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 372568SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 382568SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 392665Ssaidi@eecs.umich.edu * 402665Ssaidi@eecs.umich.edu * Authors: Ali Saidi 412665Ssaidi@eecs.umich.edu * Steve Reinhardt 428713Sandreas.hansson@arm.com * Andreas Hansson 432568SN/A */ 442568SN/A 452568SN/A/** 462982Sstever@eecs.umich.edu * @file 4710405Sandreas.hansson@arm.com * Implementation of a memory-mapped bridge that connects a master 488713Sandreas.hansson@arm.com * and a slave through a request and response queue. 492568SN/A */ 502568SN/A 512568SN/A#include "base/trace.hh" 529164Sandreas.hansson@arm.com#include "debug/Bridge.hh" 532568SN/A#include "mem/bridge.hh" 544762Snate@binkert.org#include "params/Bridge.hh" 552568SN/A 569164Sandreas.hansson@arm.comBridge::BridgeSlavePort::BridgeSlavePort(const std::string& _name, 579164Sandreas.hansson@arm.com Bridge& _bridge, 588851Sandreas.hansson@arm.com BridgeMasterPort& _masterPort, 599180Sandreas.hansson@arm.com Cycles _delay, int _resp_limit, 609235Sandreas.hansson@arm.com std::vector<AddrRange> _ranges) 619164Sandreas.hansson@arm.com : SlavePort(_name, &_bridge), bridge(_bridge), masterPort(_masterPort), 629164Sandreas.hansson@arm.com delay(_delay), ranges(_ranges.begin(), _ranges.end()), 639164Sandreas.hansson@arm.com outstandingResponses(0), retryReq(false), 648851Sandreas.hansson@arm.com respQueueLimit(_resp_limit), sendEvent(*this) 658713Sandreas.hansson@arm.com{ 668713Sandreas.hansson@arm.com} 678713Sandreas.hansson@arm.com 689164Sandreas.hansson@arm.comBridge::BridgeMasterPort::BridgeMasterPort(const std::string& _name, 699164Sandreas.hansson@arm.com Bridge& _bridge, 708851Sandreas.hansson@arm.com BridgeSlavePort& _slavePort, 719180Sandreas.hansson@arm.com Cycles _delay, int _req_limit) 729164Sandreas.hansson@arm.com : MasterPort(_name, &_bridge), bridge(_bridge), slavePort(_slavePort), 739164Sandreas.hansson@arm.com delay(_delay), reqQueueLimit(_req_limit), sendEvent(*this) 742643Sstever@eecs.umich.edu{ 752643Sstever@eecs.umich.edu} 762643Sstever@eecs.umich.edu 774435Ssaidi@eecs.umich.eduBridge::Bridge(Params *p) 785034Smilesck@eecs.umich.edu : MemObject(p), 799180Sandreas.hansson@arm.com slavePort(p->name + ".slave", *this, masterPort, 809180Sandreas.hansson@arm.com ticksToCycles(p->delay), p->resp_size, p->ranges), 819180Sandreas.hansson@arm.com masterPort(p->name + ".master", *this, slavePort, 829180Sandreas.hansson@arm.com ticksToCycles(p->delay), p->req_size) 832643Sstever@eecs.umich.edu{ 842643Sstever@eecs.umich.edu} 852643Sstever@eecs.umich.edu 869294Sandreas.hansson@arm.comBaseMasterPort& 879294Sandreas.hansson@arm.comBridge::getMasterPort(const std::string &if_name, PortID idx) 888922Swilliam.wang@arm.com{ 898922Swilliam.wang@arm.com if (if_name == "master") 908922Swilliam.wang@arm.com return masterPort; 918922Swilliam.wang@arm.com else 928922Swilliam.wang@arm.com // pass it along to our super class 938922Swilliam.wang@arm.com return MemObject::getMasterPort(if_name, idx); 948922Swilliam.wang@arm.com} 958922Swilliam.wang@arm.com 969294Sandreas.hansson@arm.comBaseSlavePort& 979294Sandreas.hansson@arm.comBridge::getSlavePort(const std::string &if_name, PortID idx) 982643Sstever@eecs.umich.edu{ 998713Sandreas.hansson@arm.com if (if_name == "slave") 1008922Swilliam.wang@arm.com return slavePort; 1018922Swilliam.wang@arm.com else 1028922Swilliam.wang@arm.com // pass it along to our super class 1038922Swilliam.wang@arm.com return MemObject::getSlavePort(if_name, idx); 1042643Sstever@eecs.umich.edu} 1052643Sstever@eecs.umich.edu 1062568SN/Avoid 1072568SN/ABridge::init() 1082568SN/A{ 1098713Sandreas.hansson@arm.com // make sure both sides are connected and have the same block size 1108713Sandreas.hansson@arm.com if (!slavePort.isConnected() || !masterPort.isConnected()) 11110405Sandreas.hansson@arm.com fatal("Both ports of a bridge must be connected.\n"); 1124432Ssaidi@eecs.umich.edu 1138713Sandreas.hansson@arm.com // notify the master side of our address ranges 1148713Sandreas.hansson@arm.com slavePort.sendRangeChange(); 1152568SN/A} 1162568SN/A 1174433Ssaidi@eecs.umich.edubool 1189786Sandreas.hansson@arm.comBridge::BridgeSlavePort::respQueueFull() const 1194433Ssaidi@eecs.umich.edu{ 1208713Sandreas.hansson@arm.com return outstandingResponses == respQueueLimit; 1214435Ssaidi@eecs.umich.edu} 1224435Ssaidi@eecs.umich.edu 1234435Ssaidi@eecs.umich.edubool 1249786Sandreas.hansson@arm.comBridge::BridgeMasterPort::reqQueueFull() const 1254435Ssaidi@eecs.umich.edu{ 1269164Sandreas.hansson@arm.com return transmitList.size() == reqQueueLimit; 1274433Ssaidi@eecs.umich.edu} 1282568SN/A 1292568SN/Abool 1308975Sandreas.hansson@arm.comBridge::BridgeMasterPort::recvTimingResp(PacketPtr pkt) 1312568SN/A{ 1328713Sandreas.hansson@arm.com // all checks are done when the request is accepted on the slave 1338713Sandreas.hansson@arm.com // side, so we are guaranteed to have space for the response 1349164Sandreas.hansson@arm.com DPRINTF(Bridge, "recvTimingResp: %s addr 0x%x\n", 1358949Sandreas.hansson@arm.com pkt->cmdString(), pkt->getAddr()); 1362643Sstever@eecs.umich.edu 1379164Sandreas.hansson@arm.com DPRINTF(Bridge, "Request queue size: %d\n", transmitList.size()); 1384450Ssaidi@eecs.umich.edu 1399549Sandreas.hansson@arm.com // @todo: We need to pay for this and not just zero it out 14010694SMarco.Balboni@ARM.com pkt->headerDelay = pkt->payloadDelay = 0; 1419549Sandreas.hansson@arm.com 1429180Sandreas.hansson@arm.com slavePort.schedTimingResp(pkt, bridge.clockEdge(delay)); 1438713Sandreas.hansson@arm.com 1448713Sandreas.hansson@arm.com return true; 1458713Sandreas.hansson@arm.com} 1468713Sandreas.hansson@arm.com 1478713Sandreas.hansson@arm.combool 1488975Sandreas.hansson@arm.comBridge::BridgeSlavePort::recvTimingReq(PacketPtr pkt) 1498713Sandreas.hansson@arm.com{ 1509164Sandreas.hansson@arm.com DPRINTF(Bridge, "recvTimingReq: %s addr 0x%x\n", 1518949Sandreas.hansson@arm.com pkt->cmdString(), pkt->getAddr()); 1528713Sandreas.hansson@arm.com 15311192Sandreas.hansson@arm.com // sink inhibited packets without further action, also discard any 15411192Sandreas.hansson@arm.com // packet that is not a read or a write 15511192Sandreas.hansson@arm.com if (pkt->memInhibitAsserted() || 15611192Sandreas.hansson@arm.com !(pkt->isWrite() || pkt->isRead())) { 15711192Sandreas.hansson@arm.com assert(!pkt->needsResponse()); 15811192Sandreas.hansson@arm.com pendingDelete.reset(pkt); 15911192Sandreas.hansson@arm.com return true; 16011192Sandreas.hansson@arm.com } 16111192Sandreas.hansson@arm.com 16211192Sandreas.hansson@arm.com // we should not get a new request after committing to retry the 16311192Sandreas.hansson@arm.com // current one, but unfortunately the CPU violates this rule, so 16411192Sandreas.hansson@arm.com // simply ignore it for now 16511192Sandreas.hansson@arm.com if (retryReq) 16611192Sandreas.hansson@arm.com return false; 1679164Sandreas.hansson@arm.com 1689164Sandreas.hansson@arm.com DPRINTF(Bridge, "Response queue size: %d outresp: %d\n", 1699164Sandreas.hansson@arm.com transmitList.size(), outstandingResponses); 1708713Sandreas.hansson@arm.com 1719786Sandreas.hansson@arm.com // if the request queue is full then there is no hope 1728851Sandreas.hansson@arm.com if (masterPort.reqQueueFull()) { 1739164Sandreas.hansson@arm.com DPRINTF(Bridge, "Request queue full\n"); 1749164Sandreas.hansson@arm.com retryReq = true; 1759786Sandreas.hansson@arm.com } else { 1769786Sandreas.hansson@arm.com // look at the response queue if we expect to see a response 17711192Sandreas.hansson@arm.com bool expects_response = pkt->needsResponse(); 1789786Sandreas.hansson@arm.com if (expects_response) { 1799786Sandreas.hansson@arm.com if (respQueueFull()) { 1809786Sandreas.hansson@arm.com DPRINTF(Bridge, "Response queue full\n"); 1819786Sandreas.hansson@arm.com retryReq = true; 1829786Sandreas.hansson@arm.com } else { 1839786Sandreas.hansson@arm.com // ok to send the request with space for the response 1849786Sandreas.hansson@arm.com DPRINTF(Bridge, "Reserving space for response\n"); 1859786Sandreas.hansson@arm.com assert(outstandingResponses != respQueueLimit); 1869786Sandreas.hansson@arm.com ++outstandingResponses; 1879549Sandreas.hansson@arm.com 1889786Sandreas.hansson@arm.com // no need to set retryReq to false as this is already the 1899786Sandreas.hansson@arm.com // case 1909786Sandreas.hansson@arm.com } 1919786Sandreas.hansson@arm.com } 1929786Sandreas.hansson@arm.com 1939786Sandreas.hansson@arm.com if (!retryReq) { 1949549Sandreas.hansson@arm.com // @todo: We need to pay for this and not just zero it out 19510694SMarco.Balboni@ARM.com pkt->headerDelay = pkt->payloadDelay = 0; 1969549Sandreas.hansson@arm.com 1979180Sandreas.hansson@arm.com masterPort.schedTimingReq(pkt, bridge.clockEdge(delay)); 1984433Ssaidi@eecs.umich.edu } 1995562Snate@binkert.org } 2004433Ssaidi@eecs.umich.edu 2019164Sandreas.hansson@arm.com // remember that we are now stalling a packet and that we have to 2029164Sandreas.hansson@arm.com // tell the sending master to retry once space becomes available, 2039164Sandreas.hansson@arm.com // we make no distinction whether the stalling is due to the 2049164Sandreas.hansson@arm.com // request queue or response queue being full 2059164Sandreas.hansson@arm.com return !retryReq; 2062657Ssaidi@eecs.umich.edu} 2072657Ssaidi@eecs.umich.edu 2084433Ssaidi@eecs.umich.eduvoid 2099164Sandreas.hansson@arm.comBridge::BridgeSlavePort::retryStalledReq() 2104433Ssaidi@eecs.umich.edu{ 2119164Sandreas.hansson@arm.com if (retryReq) { 2129164Sandreas.hansson@arm.com DPRINTF(Bridge, "Request waiting for retry, now retrying\n"); 2139164Sandreas.hansson@arm.com retryReq = false; 21410713Sandreas.hansson@arm.com sendRetryReq(); 2154433Ssaidi@eecs.umich.edu } 2164433Ssaidi@eecs.umich.edu} 2174433Ssaidi@eecs.umich.edu 2184433Ssaidi@eecs.umich.eduvoid 2199164Sandreas.hansson@arm.comBridge::BridgeMasterPort::schedTimingReq(PacketPtr pkt, Tick when) 2202657Ssaidi@eecs.umich.edu{ 2212643Sstever@eecs.umich.edu // If we're about to put this packet at the head of the queue, we 2222643Sstever@eecs.umich.edu // need to schedule an event to do the transmit. Otherwise there 2232643Sstever@eecs.umich.edu // should already be an event scheduled for sending the head 2242643Sstever@eecs.umich.edu // packet. 2259164Sandreas.hansson@arm.com if (transmitList.empty()) { 2269164Sandreas.hansson@arm.com bridge.schedule(sendEvent, when); 2272568SN/A } 2288713Sandreas.hansson@arm.com 2299164Sandreas.hansson@arm.com assert(transmitList.size() != reqQueueLimit); 2308713Sandreas.hansson@arm.com 23110922Sandreas.hansson@arm.com transmitList.emplace_back(pkt, when); 2328713Sandreas.hansson@arm.com} 2338713Sandreas.hansson@arm.com 2348713Sandreas.hansson@arm.com 2358713Sandreas.hansson@arm.comvoid 2369164Sandreas.hansson@arm.comBridge::BridgeSlavePort::schedTimingResp(PacketPtr pkt, Tick when) 2378713Sandreas.hansson@arm.com{ 2388713Sandreas.hansson@arm.com // If we're about to put this packet at the head of the queue, we 2398713Sandreas.hansson@arm.com // need to schedule an event to do the transmit. Otherwise there 2408713Sandreas.hansson@arm.com // should already be an event scheduled for sending the head 2418713Sandreas.hansson@arm.com // packet. 2429164Sandreas.hansson@arm.com if (transmitList.empty()) { 2439164Sandreas.hansson@arm.com bridge.schedule(sendEvent, when); 2448713Sandreas.hansson@arm.com } 2459164Sandreas.hansson@arm.com 24610922Sandreas.hansson@arm.com transmitList.emplace_back(pkt, when); 2472568SN/A} 2482568SN/A 2492568SN/Avoid 2509164Sandreas.hansson@arm.comBridge::BridgeMasterPort::trySendTiming() 2512568SN/A{ 2529164Sandreas.hansson@arm.com assert(!transmitList.empty()); 2532568SN/A 2549164Sandreas.hansson@arm.com DeferredPacket req = transmitList.front(); 2552643Sstever@eecs.umich.edu 2569164Sandreas.hansson@arm.com assert(req.tick <= curTick()); 2572643Sstever@eecs.umich.edu 2589029Sandreas.hansson@arm.com PacketPtr pkt = req.pkt; 2592643Sstever@eecs.umich.edu 2609164Sandreas.hansson@arm.com DPRINTF(Bridge, "trySend request addr 0x%x, queue size %d\n", 2619164Sandreas.hansson@arm.com pkt->getAddr(), transmitList.size()); 2624432Ssaidi@eecs.umich.edu 2638975Sandreas.hansson@arm.com if (sendTimingReq(pkt)) { 2642643Sstever@eecs.umich.edu // send successful 2659164Sandreas.hansson@arm.com transmitList.pop_front(); 2669164Sandreas.hansson@arm.com DPRINTF(Bridge, "trySend request successful\n"); 2672657Ssaidi@eecs.umich.edu 2682657Ssaidi@eecs.umich.edu // If there are more packets to send, schedule event to try again. 2699164Sandreas.hansson@arm.com if (!transmitList.empty()) { 2709786Sandreas.hansson@arm.com DeferredPacket next_req = transmitList.front(); 2719164Sandreas.hansson@arm.com DPRINTF(Bridge, "Scheduling next send\n"); 2729786Sandreas.hansson@arm.com bridge.schedule(sendEvent, std::max(next_req.tick, 2739648Sdam.sunwoo@arm.com bridge.clockEdge())); 2742657Ssaidi@eecs.umich.edu } 2759164Sandreas.hansson@arm.com 2769164Sandreas.hansson@arm.com // if we have stalled a request due to a full request queue, 2779164Sandreas.hansson@arm.com // then send a retry at this point, also note that if the 2789164Sandreas.hansson@arm.com // request we stalled was waiting for the response queue 2799164Sandreas.hansson@arm.com // rather than the request queue we might stall it again 2809164Sandreas.hansson@arm.com slavePort.retryStalledReq(); 2812643Sstever@eecs.umich.edu } 2824986Ssaidi@eecs.umich.edu 2839164Sandreas.hansson@arm.com // if the send failed, then we try again once we receive a retry, 2849164Sandreas.hansson@arm.com // and therefore there is no need to take any action 2852568SN/A} 2862568SN/A 2878713Sandreas.hansson@arm.comvoid 2889164Sandreas.hansson@arm.comBridge::BridgeSlavePort::trySendTiming() 2898713Sandreas.hansson@arm.com{ 2909164Sandreas.hansson@arm.com assert(!transmitList.empty()); 2918713Sandreas.hansson@arm.com 2929164Sandreas.hansson@arm.com DeferredPacket resp = transmitList.front(); 2938713Sandreas.hansson@arm.com 2949164Sandreas.hansson@arm.com assert(resp.tick <= curTick()); 2958713Sandreas.hansson@arm.com 2969029Sandreas.hansson@arm.com PacketPtr pkt = resp.pkt; 2978713Sandreas.hansson@arm.com 2989164Sandreas.hansson@arm.com DPRINTF(Bridge, "trySend response addr 0x%x, outstanding %d\n", 2999164Sandreas.hansson@arm.com pkt->getAddr(), outstandingResponses); 3008713Sandreas.hansson@arm.com 3018975Sandreas.hansson@arm.com if (sendTimingResp(pkt)) { 3028713Sandreas.hansson@arm.com // send successful 3039164Sandreas.hansson@arm.com transmitList.pop_front(); 3049164Sandreas.hansson@arm.com DPRINTF(Bridge, "trySend response successful\n"); 3058713Sandreas.hansson@arm.com 3069164Sandreas.hansson@arm.com assert(outstandingResponses != 0); 3079164Sandreas.hansson@arm.com --outstandingResponses; 3089164Sandreas.hansson@arm.com 3099164Sandreas.hansson@arm.com // If there are more packets to send, schedule event to try again. 3109164Sandreas.hansson@arm.com if (!transmitList.empty()) { 3119786Sandreas.hansson@arm.com DeferredPacket next_resp = transmitList.front(); 3129164Sandreas.hansson@arm.com DPRINTF(Bridge, "Scheduling next send\n"); 3139786Sandreas.hansson@arm.com bridge.schedule(sendEvent, std::max(next_resp.tick, 3149648Sdam.sunwoo@arm.com bridge.clockEdge())); 3158713Sandreas.hansson@arm.com } 3168713Sandreas.hansson@arm.com 3179164Sandreas.hansson@arm.com // if there is space in the request queue and we were stalling 3189164Sandreas.hansson@arm.com // a request, it will definitely be possible to accept it now 3199164Sandreas.hansson@arm.com // since there is guaranteed space in the response queue 3209164Sandreas.hansson@arm.com if (!masterPort.reqQueueFull() && retryReq) { 3219164Sandreas.hansson@arm.com DPRINTF(Bridge, "Request waiting for retry, now retrying\n"); 3229164Sandreas.hansson@arm.com retryReq = false; 32310713Sandreas.hansson@arm.com sendRetryReq(); 3248713Sandreas.hansson@arm.com } 3258713Sandreas.hansson@arm.com } 3268713Sandreas.hansson@arm.com 3279164Sandreas.hansson@arm.com // if the send failed, then we try again once we receive a retry, 3289164Sandreas.hansson@arm.com // and therefore there is no need to take any action 3298713Sandreas.hansson@arm.com} 3302568SN/A 3312657Ssaidi@eecs.umich.eduvoid 33210713Sandreas.hansson@arm.comBridge::BridgeMasterPort::recvReqRetry() 3332568SN/A{ 3349786Sandreas.hansson@arm.com trySendTiming(); 3352568SN/A} 3362568SN/A 3378713Sandreas.hansson@arm.comvoid 33810713Sandreas.hansson@arm.comBridge::BridgeSlavePort::recvRespRetry() 3392568SN/A{ 3409786Sandreas.hansson@arm.com trySendTiming(); 3412568SN/A} 3422568SN/A 3438713Sandreas.hansson@arm.comTick 3448713Sandreas.hansson@arm.comBridge::BridgeSlavePort::recvAtomic(PacketPtr pkt) 3458713Sandreas.hansson@arm.com{ 3469180Sandreas.hansson@arm.com return delay * bridge.clockPeriod() + masterPort.sendAtomic(pkt); 3478713Sandreas.hansson@arm.com} 3488713Sandreas.hansson@arm.com 3492568SN/Avoid 3508713Sandreas.hansson@arm.comBridge::BridgeSlavePort::recvFunctional(PacketPtr pkt) 3512568SN/A{ 3525314Sstever@gmail.com pkt->pushLabel(name()); 3535314Sstever@gmail.com 3548713Sandreas.hansson@arm.com // check the response queue 3559786Sandreas.hansson@arm.com for (auto i = transmitList.begin(); i != transmitList.end(); ++i) { 3569029Sandreas.hansson@arm.com if (pkt->checkFunctional((*i).pkt)) { 3577668Ssteve.reinhardt@amd.com pkt->makeResponse(); 3584626Sstever@eecs.umich.edu return; 3597668Ssteve.reinhardt@amd.com } 3602568SN/A } 3612568SN/A 3628713Sandreas.hansson@arm.com // also check the master port's request queue 3638851Sandreas.hansson@arm.com if (masterPort.checkFunctional(pkt)) { 3648713Sandreas.hansson@arm.com return; 3658713Sandreas.hansson@arm.com } 3668713Sandreas.hansson@arm.com 3675314Sstever@gmail.com pkt->popLabel(); 3685314Sstever@gmail.com 3694626Sstever@eecs.umich.edu // fall through if pkt still not satisfied 3708851Sandreas.hansson@arm.com masterPort.sendFunctional(pkt); 3718713Sandreas.hansson@arm.com} 3728713Sandreas.hansson@arm.com 3738713Sandreas.hansson@arm.combool 3748713Sandreas.hansson@arm.comBridge::BridgeMasterPort::checkFunctional(PacketPtr pkt) 3758713Sandreas.hansson@arm.com{ 3768713Sandreas.hansson@arm.com bool found = false; 3779786Sandreas.hansson@arm.com auto i = transmitList.begin(); 3788713Sandreas.hansson@arm.com 3799164Sandreas.hansson@arm.com while(i != transmitList.end() && !found) { 3809029Sandreas.hansson@arm.com if (pkt->checkFunctional((*i).pkt)) { 3818713Sandreas.hansson@arm.com pkt->makeResponse(); 3828713Sandreas.hansson@arm.com found = true; 3838713Sandreas.hansson@arm.com } 3848713Sandreas.hansson@arm.com ++i; 3858713Sandreas.hansson@arm.com } 3868713Sandreas.hansson@arm.com 3878713Sandreas.hansson@arm.com return found; 3882568SN/A} 3892568SN/A 3908711Sandreas.hansson@arm.comAddrRangeList 3919090Sandreas.hansson@arm.comBridge::BridgeSlavePort::getAddrRanges() const 3922568SN/A{ 3938711Sandreas.hansson@arm.com return ranges; 3942568SN/A} 3952568SN/A 3964762Snate@binkert.orgBridge * 3974762Snate@binkert.orgBridgeParams::create() 3982568SN/A{ 3994762Snate@binkert.org return new Bridge(this); 4002568SN/A} 401