12381SN/A/* 212342Snikos.nikoleris@arm.com * Copyright (c) 2011-2012,2015,2017 ARM Limited 38711Sandreas.hansson@arm.com * All rights reserved 48711Sandreas.hansson@arm.com * 58711Sandreas.hansson@arm.com * The license below extends only to copyright in the software and shall 68711Sandreas.hansson@arm.com * not be construed as granting a license to any other intellectual 78711Sandreas.hansson@arm.com * property including but not limited to intellectual property relating 88711Sandreas.hansson@arm.com * to a hardware implementation of the functionality of the software 98711Sandreas.hansson@arm.com * licensed hereunder. You may use the software subject to the license 108711Sandreas.hansson@arm.com * terms below provided that you ensure that this notice is replicated 118711Sandreas.hansson@arm.com * unmodified and in its entirety in all distributions of the software, 128711Sandreas.hansson@arm.com * modified or unmodified, in source code or in binary form. 138711Sandreas.hansson@arm.com * 142381SN/A * Copyright (c) 2002-2005 The Regents of The University of Michigan 152381SN/A * All rights reserved. 162381SN/A * 172381SN/A * Redistribution and use in source and binary forms, with or without 182381SN/A * modification, are permitted provided that the following conditions are 192381SN/A * met: redistributions of source code must retain the above copyright 202381SN/A * notice, this list of conditions and the following disclaimer; 212381SN/A * redistributions in binary form must reproduce the above copyright 222381SN/A * notice, this list of conditions and the following disclaimer in the 232381SN/A * documentation and/or other materials provided with the distribution; 242381SN/A * neither the name of the copyright holders nor the names of its 252381SN/A * contributors may be used to endorse or promote products derived from 262381SN/A * this software without specific prior written permission. 272381SN/A * 282381SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 292381SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 302381SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 312381SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 322381SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 332381SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 342381SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 352381SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 362381SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 372381SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 382381SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 392665Ssaidi@eecs.umich.edu * 402665Ssaidi@eecs.umich.edu * Authors: Ron Dreslinski 418853Sandreas.hansson@arm.com * Andreas Hansson 428922Swilliam.wang@arm.com * William Wang 432381SN/A */ 442381SN/A 452381SN/A/** 462381SN/A * @file 478922Swilliam.wang@arm.com * Port Object Declaration. 482381SN/A */ 492381SN/A 502381SN/A#ifndef __MEM_PORT_HH__ 512381SN/A#define __MEM_PORT_HH__ 522381SN/A 539235Sandreas.hansson@arm.com#include "base/addr_range.hh" 542381SN/A#include "mem/packet.hh" 5514185Sgabeblack@google.com#include "mem/protocol/atomic.hh" 5614185Sgabeblack@google.com#include "mem/protocol/functional.hh" 5714185Sgabeblack@google.com#include "mem/protocol/timing.hh" 5813771Sgabeblack@google.com#include "sim/port.hh" 592381SN/A 6013892Sgabeblack@google.comclass SimObject; 613401Sktlim@umich.edu 628922Swilliam.wang@arm.com/** Forward declaration */ 638922Swilliam.wang@arm.comclass SlavePort; 648922Swilliam.wang@arm.com 658922Swilliam.wang@arm.com/** 669294Sandreas.hansson@arm.com * A MasterPort is a specialisation of a BaseMasterPort, which 679294Sandreas.hansson@arm.com * implements the default protocol for the three different level of 689294Sandreas.hansson@arm.com * transport functions. In addition to the basic functionality of 699294Sandreas.hansson@arm.com * sending packets, it also has functions to receive range changes or 709294Sandreas.hansson@arm.com * determine if the port is snooping or not. 7114183Sgabeblack@google.com * 7214183Sgabeblack@google.com * The three protocols are atomic, timing, and functional, each with its own 7314183Sgabeblack@google.com * header file. 748922Swilliam.wang@arm.com */ 7514193Sgabeblack@google.comclass MasterPort : public Port, public AtomicRequestProtocol, 7614183Sgabeblack@google.com public TimingRequestProtocol, public FunctionalRequestProtocol 778922Swilliam.wang@arm.com{ 788975Sandreas.hansson@arm.com friend class SlavePort; 798975Sandreas.hansson@arm.com 808922Swilliam.wang@arm.com private: 8114183Sgabeblack@google.com SlavePort *_slavePort; 828922Swilliam.wang@arm.com 8313769Sgabeblack@google.com protected: 8414183Sgabeblack@google.com SimObject &owner; 8513769Sgabeblack@google.com 868922Swilliam.wang@arm.com public: 8713892Sgabeblack@google.com MasterPort(const std::string& name, SimObject* _owner, 8813769Sgabeblack@google.com PortID id=InvalidPortID); 898922Swilliam.wang@arm.com virtual ~MasterPort(); 908922Swilliam.wang@arm.com 919178Sandreas.hansson@arm.com /** 929178Sandreas.hansson@arm.com * Bind this master port to a slave port. This also does the 939178Sandreas.hansson@arm.com * mirror action and binds the slave port to the master port. 949178Sandreas.hansson@arm.com */ 9513782Sgabeblack@google.com void bind(Port &peer) override; 969178Sandreas.hansson@arm.com 979178Sandreas.hansson@arm.com /** 989178Sandreas.hansson@arm.com * Unbind this master port and the associated slave port. 999178Sandreas.hansson@arm.com */ 10013782Sgabeblack@google.com void unbind() override; 1019178Sandreas.hansson@arm.com 1028922Swilliam.wang@arm.com /** 10314183Sgabeblack@google.com * Determine if this master port is snooping or not. The default 10414183Sgabeblack@google.com * implementation returns false and thus tells the neighbour we 10514183Sgabeblack@google.com * are not snooping. Any master port that wants to receive snoop 10614183Sgabeblack@google.com * requests (e.g. a cache connected to a bus) has to override this 10714183Sgabeblack@google.com * function. 10814183Sgabeblack@google.com * 10914183Sgabeblack@google.com * @return true if the port should be considered a snooper 11014183Sgabeblack@google.com */ 11114183Sgabeblack@google.com virtual bool isSnooping() const { return false; } 11214183Sgabeblack@google.com 11314183Sgabeblack@google.com /** 11414183Sgabeblack@google.com * Get the address ranges of the connected slave port. 11514183Sgabeblack@google.com */ 11614183Sgabeblack@google.com AddrRangeList getAddrRanges() const; 11714183Sgabeblack@google.com 11814183Sgabeblack@google.com /** 11914183Sgabeblack@google.com * Inject a PrintReq for the given address to print the state of 12014183Sgabeblack@google.com * that address throughout the memory system. For debugging. 12114183Sgabeblack@google.com */ 12214183Sgabeblack@google.com void printAddr(Addr a); 12314183Sgabeblack@google.com 12414183Sgabeblack@google.com public: 12514183Sgabeblack@google.com /* The atomic protocol. */ 12614183Sgabeblack@google.com 12714183Sgabeblack@google.com /** 1288948Sandreas.hansson@arm.com * Send an atomic request packet, where the data is moved and the 1298948Sandreas.hansson@arm.com * state is updated in zero time, without interleaving with other 1308948Sandreas.hansson@arm.com * memory accesses. 1318948Sandreas.hansson@arm.com * 1328948Sandreas.hansson@arm.com * @param pkt Packet to send. 1338948Sandreas.hansson@arm.com * 1348948Sandreas.hansson@arm.com * @return Estimated latency of access. 1358948Sandreas.hansson@arm.com */ 1368948Sandreas.hansson@arm.com Tick sendAtomic(PacketPtr pkt); 1378948Sandreas.hansson@arm.com 1388948Sandreas.hansson@arm.com /** 13913845Sgabeblack@google.com * Send an atomic request packet like above, but also request a backdoor 14013845Sgabeblack@google.com * to the data being accessed. 14113845Sgabeblack@google.com * 14213845Sgabeblack@google.com * @param pkt Packet to send. 14313845Sgabeblack@google.com * @param backdoor Can be set to a back door pointer by the target to let 14413845Sgabeblack@google.com * caller have direct access to the requested data. 14513845Sgabeblack@google.com * 14613845Sgabeblack@google.com * @return Estimated latency of access. 14713845Sgabeblack@google.com */ 14813845Sgabeblack@google.com Tick sendAtomicBackdoor(PacketPtr pkt, MemBackdoorPtr &backdoor); 14913845Sgabeblack@google.com 15014183Sgabeblack@google.com public: 15114183Sgabeblack@google.com /* The functional protocol. */ 15214183Sgabeblack@google.com 15313845Sgabeblack@google.com /** 1548948Sandreas.hansson@arm.com * Send a functional request packet, where the data is instantly 1558948Sandreas.hansson@arm.com * updated everywhere in the memory system, without affecting the 1568948Sandreas.hansson@arm.com * current state of any block or moving the block. 1578948Sandreas.hansson@arm.com * 1588948Sandreas.hansson@arm.com * @param pkt Packet to send. 1598948Sandreas.hansson@arm.com */ 16014183Sgabeblack@google.com void sendFunctional(PacketPtr pkt) const; 16114183Sgabeblack@google.com 16214183Sgabeblack@google.com public: 16314183Sgabeblack@google.com /* The timing protocol. */ 1648948Sandreas.hansson@arm.com 1658948Sandreas.hansson@arm.com /** 1668975Sandreas.hansson@arm.com * Attempt to send a timing request to the slave port by calling 1678975Sandreas.hansson@arm.com * its corresponding receive function. If the send does not 1688975Sandreas.hansson@arm.com * succeed, as indicated by the return value, then the sender must 16910713Sandreas.hansson@arm.com * wait for a recvReqRetry at which point it can re-issue a 1708975Sandreas.hansson@arm.com * sendTimingReq. 1718975Sandreas.hansson@arm.com * 1728975Sandreas.hansson@arm.com * @param pkt Packet to send. 1738975Sandreas.hansson@arm.com * 1748975Sandreas.hansson@arm.com * @return If the send was succesful or not. 1758975Sandreas.hansson@arm.com */ 1768975Sandreas.hansson@arm.com bool sendTimingReq(PacketPtr pkt); 1778948Sandreas.hansson@arm.com 1788948Sandreas.hansson@arm.com /** 17912342Snikos.nikoleris@arm.com * Check if the slave can handle a timing request. 18012342Snikos.nikoleris@arm.com * 18112342Snikos.nikoleris@arm.com * If the send cannot be handled at the moment, as indicated by 18212342Snikos.nikoleris@arm.com * the return value, then the sender will receive a recvReqRetry 18312342Snikos.nikoleris@arm.com * at which point it can re-issue a sendTimingReq. 18412342Snikos.nikoleris@arm.com * 18512342Snikos.nikoleris@arm.com * @param pkt Packet to send. 18612342Snikos.nikoleris@arm.com * 18712342Snikos.nikoleris@arm.com * @return If the send was succesful or not. 18812342Snikos.nikoleris@arm.com */ 18912342Snikos.nikoleris@arm.com bool tryTiming(PacketPtr pkt) const; 19012342Snikos.nikoleris@arm.com 19112342Snikos.nikoleris@arm.com /** 1928975Sandreas.hansson@arm.com * Attempt to send a timing snoop response packet to the slave 1938975Sandreas.hansson@arm.com * port by calling its corresponding receive function. If the send 1948975Sandreas.hansson@arm.com * does not succeed, as indicated by the return value, then the 19510713Sandreas.hansson@arm.com * sender must wait for a recvRetrySnoop at which point it can 19610713Sandreas.hansson@arm.com * re-issue a sendTimingSnoopResp. 1978975Sandreas.hansson@arm.com * 1988975Sandreas.hansson@arm.com * @param pkt Packet to send. 1998948Sandreas.hansson@arm.com */ 2008975Sandreas.hansson@arm.com bool sendTimingSnoopResp(PacketPtr pkt); 2018922Swilliam.wang@arm.com 2028922Swilliam.wang@arm.com /** 2039087Sandreas.hansson@arm.com * Send a retry to the slave port that previously attempted a 20410713Sandreas.hansson@arm.com * sendTimingResp to this master port and failed. Note that this 20510713Sandreas.hansson@arm.com * is virtual so that the "fake" snoop response port in the 20610713Sandreas.hansson@arm.com * coherent crossbar can override the behaviour. 2079087Sandreas.hansson@arm.com */ 20810713Sandreas.hansson@arm.com virtual void sendRetryResp(); 2099087Sandreas.hansson@arm.com 2108975Sandreas.hansson@arm.com protected: 2119087Sandreas.hansson@arm.com /** 2128975Sandreas.hansson@arm.com * Called to receive an address range change from the peer slave 2139325Sandreas.hansson@arm.com * port. The default implementation ignores the change and does 2148975Sandreas.hansson@arm.com * nothing. Override this function in a derived class if the owner 2159325Sandreas.hansson@arm.com * needs to be aware of the address ranges, e.g. in an 2168975Sandreas.hansson@arm.com * interconnect component like a bus. 2178975Sandreas.hansson@arm.com */ 2188975Sandreas.hansson@arm.com virtual void recvRangeChange() { } 21914183Sgabeblack@google.com 22014183Sgabeblack@google.com /** 22114183Sgabeblack@google.com * Default implementations. 22214183Sgabeblack@google.com */ 22314183Sgabeblack@google.com Tick 22414183Sgabeblack@google.com recvAtomicSnoop(PacketPtr pkt) override 22514183Sgabeblack@google.com { 22614183Sgabeblack@google.com panic("%s was not expecting an atomic snoop request\n", name()); 22714183Sgabeblack@google.com return 0; 22814183Sgabeblack@google.com } 22914183Sgabeblack@google.com 23014183Sgabeblack@google.com void 23114183Sgabeblack@google.com recvFunctionalSnoop(PacketPtr pkt) override 23214183Sgabeblack@google.com { 23314183Sgabeblack@google.com panic("%s was not expecting a functional snoop request\n", name()); 23414183Sgabeblack@google.com } 23514183Sgabeblack@google.com 23614183Sgabeblack@google.com void 23714183Sgabeblack@google.com recvTimingSnoopReq(PacketPtr pkt) override 23814183Sgabeblack@google.com { 23914183Sgabeblack@google.com panic("%s was not expecting a timing snoop request.\n", name()); 24014183Sgabeblack@google.com } 24114183Sgabeblack@google.com 24214183Sgabeblack@google.com void 24314183Sgabeblack@google.com recvRetrySnoopResp() override 24414183Sgabeblack@google.com { 24514183Sgabeblack@google.com panic("%s was not expecting a snoop retry.\n", name()); 24614183Sgabeblack@google.com } 2472381SN/A}; 2482381SN/A 2498922Swilliam.wang@arm.com/** 2508922Swilliam.wang@arm.com * A SlavePort is a specialisation of a port. In addition to the 2518922Swilliam.wang@arm.com * basic functionality of sending packets to its master peer, it also 2528922Swilliam.wang@arm.com * has functions specific to a slave, e.g. to send range changes 2538922Swilliam.wang@arm.com * and get the address ranges that the port responds to. 25414183Sgabeblack@google.com * 25514183Sgabeblack@google.com * The three protocols are atomic, timing, and functional, each with its own 25614183Sgabeblack@google.com * header file. 2578922Swilliam.wang@arm.com */ 25814193Sgabeblack@google.comclass SlavePort : public Port, public AtomicResponseProtocol, 25914183Sgabeblack@google.com public TimingResponseProtocol, public FunctionalResponseProtocol 2608922Swilliam.wang@arm.com{ 2618975Sandreas.hansson@arm.com friend class MasterPort; 2628975Sandreas.hansson@arm.com 2638922Swilliam.wang@arm.com private: 2648922Swilliam.wang@arm.com MasterPort* _masterPort; 26513845Sgabeblack@google.com bool defaultBackdoorWarned; 2668922Swilliam.wang@arm.com 26713769Sgabeblack@google.com protected: 26813892Sgabeblack@google.com SimObject& owner; 26913769Sgabeblack@google.com 2708922Swilliam.wang@arm.com public: 27113892Sgabeblack@google.com SlavePort(const std::string& name, SimObject* _owner, 27213769Sgabeblack@google.com PortID id=InvalidPortID); 2738922Swilliam.wang@arm.com virtual ~SlavePort(); 2748922Swilliam.wang@arm.com 2758922Swilliam.wang@arm.com /** 2769088Sandreas.hansson@arm.com * Find out if the peer master port is snooping or not. 2779088Sandreas.hansson@arm.com * 2789088Sandreas.hansson@arm.com * @return true if the peer master port is snooping 2799088Sandreas.hansson@arm.com */ 2809088Sandreas.hansson@arm.com bool isSnooping() const { return _masterPort->isSnooping(); } 2819088Sandreas.hansson@arm.com 2829088Sandreas.hansson@arm.com /** 2838922Swilliam.wang@arm.com * Called by the owner to send a range change 2848922Swilliam.wang@arm.com */ 28514183Sgabeblack@google.com void 28614183Sgabeblack@google.com sendRangeChange() const 28714183Sgabeblack@google.com { 28814183Sgabeblack@google.com fatal_if(!_masterPort, 28914183Sgabeblack@google.com "%s cannot sendRangeChange() without master port.", name()); 29010413SCurtis.Dunham@arm.com _masterPort->recvRangeChange(); 29110413SCurtis.Dunham@arm.com } 2928922Swilliam.wang@arm.com 2938922Swilliam.wang@arm.com /** 2948922Swilliam.wang@arm.com * Get a list of the non-overlapping address ranges the owner is 2958922Swilliam.wang@arm.com * responsible for. All slave ports must override this function 2968922Swilliam.wang@arm.com * and return a populated list with at least one item. 2978922Swilliam.wang@arm.com * 2988922Swilliam.wang@arm.com * @return a list of ranges responded to 2998922Swilliam.wang@arm.com */ 3009090Sandreas.hansson@arm.com virtual AddrRangeList getAddrRanges() const = 0; 3018975Sandreas.hansson@arm.com 30213782Sgabeblack@google.com /** 30313782Sgabeblack@google.com * We let the master port do the work, so these don't do anything. 30413782Sgabeblack@google.com */ 30513782Sgabeblack@google.com void unbind() override {} 30613782Sgabeblack@google.com void bind(Port &peer) override {} 30713782Sgabeblack@google.com 30814183Sgabeblack@google.com public: 30914183Sgabeblack@google.com /* The atomic protocol. */ 31014183Sgabeblack@google.com 31114183Sgabeblack@google.com /** 31214183Sgabeblack@google.com * Send an atomic snoop request packet, where the data is moved 31314183Sgabeblack@google.com * and the state is updated in zero time, without interleaving 31414183Sgabeblack@google.com * with other memory accesses. 31514183Sgabeblack@google.com * 31614183Sgabeblack@google.com * @param pkt Snoop packet to send. 31714183Sgabeblack@google.com * 31814183Sgabeblack@google.com * @return Estimated latency of access. 31914183Sgabeblack@google.com */ 32014183Sgabeblack@google.com Tick 32114183Sgabeblack@google.com sendAtomicSnoop(PacketPtr pkt) 32214183Sgabeblack@google.com { 32314183Sgabeblack@google.com return AtomicResponseProtocol::sendSnoop(_masterPort, pkt); 32414183Sgabeblack@google.com } 32514183Sgabeblack@google.com 32614183Sgabeblack@google.com public: 32714183Sgabeblack@google.com /* The functional protocol. */ 32814183Sgabeblack@google.com 32914183Sgabeblack@google.com /** 33014183Sgabeblack@google.com * Send a functional snoop request packet, where the data is 33114183Sgabeblack@google.com * instantly updated everywhere in the memory system, without 33214183Sgabeblack@google.com * affecting the current state of any block or moving the block. 33314183Sgabeblack@google.com * 33414183Sgabeblack@google.com * @param pkt Snoop packet to send. 33514183Sgabeblack@google.com */ 33614183Sgabeblack@google.com void 33714183Sgabeblack@google.com sendFunctionalSnoop(PacketPtr pkt) const 33814183Sgabeblack@google.com { 33914183Sgabeblack@google.com FunctionalResponseProtocol::sendSnoop(_masterPort, pkt); 34014183Sgabeblack@google.com } 34114183Sgabeblack@google.com 34214183Sgabeblack@google.com public: 34314183Sgabeblack@google.com /* The timing protocol. */ 34414183Sgabeblack@google.com 34514183Sgabeblack@google.com /** 34614183Sgabeblack@google.com * Attempt to send a timing response to the master port by calling 34714183Sgabeblack@google.com * its corresponding receive function. If the send does not 34814183Sgabeblack@google.com * succeed, as indicated by the return value, then the sender must 34914183Sgabeblack@google.com * wait for a recvRespRetry at which point it can re-issue a 35014183Sgabeblack@google.com * sendTimingResp. 35114183Sgabeblack@google.com * 35214183Sgabeblack@google.com * @param pkt Packet to send. 35314183Sgabeblack@google.com * 35414183Sgabeblack@google.com * @return If the send was succesful or not. 35514183Sgabeblack@google.com */ 35614183Sgabeblack@google.com bool 35714183Sgabeblack@google.com sendTimingResp(PacketPtr pkt) 35814183Sgabeblack@google.com { 35914183Sgabeblack@google.com return TimingResponseProtocol::sendResp(_masterPort, pkt); 36014183Sgabeblack@google.com } 36114183Sgabeblack@google.com 36214183Sgabeblack@google.com /** 36314183Sgabeblack@google.com * Attempt to send a timing snoop request packet to the master port 36414183Sgabeblack@google.com * by calling its corresponding receive function. Snoop requests 36514183Sgabeblack@google.com * always succeed and hence no return value is needed. 36614183Sgabeblack@google.com * 36714183Sgabeblack@google.com * @param pkt Packet to send. 36814183Sgabeblack@google.com */ 36914183Sgabeblack@google.com void 37014183Sgabeblack@google.com sendTimingSnoopReq(PacketPtr pkt) 37114183Sgabeblack@google.com { 37214183Sgabeblack@google.com TimingResponseProtocol::sendSnoopReq(_masterPort, pkt); 37314183Sgabeblack@google.com } 37414183Sgabeblack@google.com 37514183Sgabeblack@google.com /** 37614183Sgabeblack@google.com * Send a retry to the master port that previously attempted a 37714183Sgabeblack@google.com * sendTimingReq to this slave port and failed. 37814183Sgabeblack@google.com */ 37914183Sgabeblack@google.com void 38014183Sgabeblack@google.com sendRetryReq() 38114183Sgabeblack@google.com { 38214183Sgabeblack@google.com TimingResponseProtocol::sendRetryReq(_masterPort); 38314183Sgabeblack@google.com } 38414183Sgabeblack@google.com 38514183Sgabeblack@google.com /** 38614183Sgabeblack@google.com * Send a retry to the master port that previously attempted a 38714183Sgabeblack@google.com * sendTimingSnoopResp to this slave port and failed. 38814183Sgabeblack@google.com */ 38914183Sgabeblack@google.com void 39014183Sgabeblack@google.com sendRetrySnoopResp() 39114183Sgabeblack@google.com { 39214183Sgabeblack@google.com TimingResponseProtocol::sendRetrySnoopResp(_masterPort); 39314183Sgabeblack@google.com } 39414183Sgabeblack@google.com 3958975Sandreas.hansson@arm.com protected: 3968975Sandreas.hansson@arm.com /** 3979178Sandreas.hansson@arm.com * Called by the master port to unbind. Should never be called 3989178Sandreas.hansson@arm.com * directly. 3999178Sandreas.hansson@arm.com */ 40013782Sgabeblack@google.com void slaveUnbind(); 4019178Sandreas.hansson@arm.com 4029178Sandreas.hansson@arm.com /** 4039178Sandreas.hansson@arm.com * Called by the master port to bind. Should never be called 4049178Sandreas.hansson@arm.com * directly. 4059178Sandreas.hansson@arm.com */ 40613782Sgabeblack@google.com void slaveBind(MasterPort& master_port); 4079178Sandreas.hansson@arm.com 4089178Sandreas.hansson@arm.com /** 40914183Sgabeblack@google.com * Default implementations. 4108975Sandreas.hansson@arm.com */ 41114183Sgabeblack@google.com Tick recvAtomicBackdoor(PacketPtr pkt, MemBackdoorPtr &backdoor) override; 4128975Sandreas.hansson@arm.com 41314183Sgabeblack@google.com bool 41414183Sgabeblack@google.com tryTiming(PacketPtr pkt) override 41514183Sgabeblack@google.com { 41612342Snikos.nikoleris@arm.com panic("%s was not expecting a %s\n", name(), __func__); 41712342Snikos.nikoleris@arm.com } 41812342Snikos.nikoleris@arm.com 41914183Sgabeblack@google.com bool 42014183Sgabeblack@google.com recvTimingSnoopResp(PacketPtr pkt) override 4218975Sandreas.hansson@arm.com { 4228975Sandreas.hansson@arm.com panic("%s was not expecting a timing snoop response\n", name()); 4238975Sandreas.hansson@arm.com } 4248922Swilliam.wang@arm.com}; 4258922Swilliam.wang@arm.com 42614183Sgabeblack@google.cominline Tick 42714183Sgabeblack@google.comMasterPort::sendAtomic(PacketPtr pkt) 42814183Sgabeblack@google.com{ 42914183Sgabeblack@google.com return AtomicRequestProtocol::send(_slavePort, pkt); 43014183Sgabeblack@google.com} 43114183Sgabeblack@google.com 43214183Sgabeblack@google.cominline Tick 43314183Sgabeblack@google.comMasterPort::sendAtomicBackdoor(PacketPtr pkt, MemBackdoorPtr &backdoor) 43414183Sgabeblack@google.com{ 43514183Sgabeblack@google.com return AtomicRequestProtocol::sendBackdoor(_slavePort, pkt, backdoor); 43614183Sgabeblack@google.com} 43714183Sgabeblack@google.com 43814183Sgabeblack@google.cominline void 43914183Sgabeblack@google.comMasterPort::sendFunctional(PacketPtr pkt) const 44014183Sgabeblack@google.com{ 44114183Sgabeblack@google.com return FunctionalRequestProtocol::send(_slavePort, pkt); 44214183Sgabeblack@google.com} 44314183Sgabeblack@google.com 44414183Sgabeblack@google.cominline bool 44514183Sgabeblack@google.comMasterPort::sendTimingReq(PacketPtr pkt) 44614183Sgabeblack@google.com{ 44714183Sgabeblack@google.com return TimingRequestProtocol::sendReq(_slavePort, pkt); 44814183Sgabeblack@google.com} 44914183Sgabeblack@google.com 45014183Sgabeblack@google.cominline bool 45114183Sgabeblack@google.comMasterPort::tryTiming(PacketPtr pkt) const 45214183Sgabeblack@google.com{ 45314183Sgabeblack@google.com return TimingRequestProtocol::trySend(_slavePort, pkt); 45414183Sgabeblack@google.com} 45514183Sgabeblack@google.com 45614183Sgabeblack@google.cominline bool 45714183Sgabeblack@google.comMasterPort::sendTimingSnoopResp(PacketPtr pkt) 45814183Sgabeblack@google.com{ 45914183Sgabeblack@google.com return TimingRequestProtocol::sendSnoopResp(_slavePort, pkt); 46014183Sgabeblack@google.com} 46114183Sgabeblack@google.com 46214183Sgabeblack@google.cominline void 46314183Sgabeblack@google.comMasterPort::sendRetryResp() 46414183Sgabeblack@google.com{ 46514183Sgabeblack@google.com TimingRequestProtocol::sendRetryResp(_slavePort); 46614183Sgabeblack@google.com} 46714183Sgabeblack@google.com 4682381SN/A#endif //__MEM_PORT_HH__ 469