port.hh revision 8975
12381SN/A/* 28853Sandreas.hansson@arm.com * Copyright (c) 2011-2012 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 532381SN/A#include <list> 542381SN/A 552381SN/A#include "base/range.hh" 562381SN/A#include "mem/packet.hh" 572381SN/A 588922Swilliam.wang@arm.com/** 598922Swilliam.wang@arm.com * This typedef is used to clean up getAddrRanges(). It's declared 602407SN/A * outside the Port object since it's also used by some mem objects. 612407SN/A * Eventually we should move this typedef to wherever Addr is 622407SN/A * defined. 632407SN/A */ 642407SN/A 652407SN/Atypedef std::list<Range<Addr> > AddrRangeList; 662521SN/Atypedef std::list<Range<Addr> >::iterator AddrRangeIter; 672407SN/A 683401Sktlim@umich.educlass MemObject; 693401Sktlim@umich.edu 702381SN/A/** 718922Swilliam.wang@arm.com * Ports are used to interface memory objects to each other. A port is 728922Swilliam.wang@arm.com * either a master or a slave and the connected peer is always of the 738922Swilliam.wang@arm.com * opposite role. 742381SN/A * 758922Swilliam.wang@arm.com * Each port has a name and an owner, and enables three basic types of 768975Sandreas.hansson@arm.com * accesses to the peer port: functional, atomic and timing. 772381SN/A */ 788708Sandreas.hansson@arm.comclass Port 792381SN/A{ 808922Swilliam.wang@arm.com 818965Sandreas.hansson@arm.com public: 828965Sandreas.hansson@arm.com 838965Sandreas.hansson@arm.com /** A type name for the port identifier. */ 848965Sandreas.hansson@arm.com typedef int PortId; 858965Sandreas.hansson@arm.com 868965Sandreas.hansson@arm.com /** A symbolic name for the absence of a port id. */ 878965Sandreas.hansson@arm.com static const PortId INVALID_PORT_ID = -1; 888965Sandreas.hansson@arm.com 898922Swilliam.wang@arm.com private: 908922Swilliam.wang@arm.com 918922Swilliam.wang@arm.com /** Descriptive name (for DPRINTF output) */ 928922Swilliam.wang@arm.com std::string portName; 938922Swilliam.wang@arm.com 945476Snate@binkert.org protected: 952640Sstever@eecs.umich.edu 968965Sandreas.hansson@arm.com /** 978965Sandreas.hansson@arm.com * A numeric identifier to distinguish ports in a vector, and set 988965Sandreas.hansson@arm.com * to INVALID_PORT_ID in case this port is not part of a vector. 998965Sandreas.hansson@arm.com */ 1008965Sandreas.hansson@arm.com const PortId id; 1018965Sandreas.hansson@arm.com 1028922Swilliam.wang@arm.com /** A pointer to the peer port. */ 1038922Swilliam.wang@arm.com Port* peer; 1042661Sstever@eecs.umich.edu 1058922Swilliam.wang@arm.com /** A reference to the MemObject that owns this port. */ 1068922Swilliam.wang@arm.com MemObject& owner; 1078922Swilliam.wang@arm.com 1088922Swilliam.wang@arm.com /** 1098922Swilliam.wang@arm.com * Abstract base class for ports 1108922Swilliam.wang@arm.com * 1118922Swilliam.wang@arm.com * @param _name Port name including the owners name 1128922Swilliam.wang@arm.com * @param _owner The MemObject that is the structural owner of this port 1138965Sandreas.hansson@arm.com * @param _id A port identifier for vector ports 1148922Swilliam.wang@arm.com */ 1158965Sandreas.hansson@arm.com Port(const std::string& _name, MemObject& _owner, PortId _id); 1168922Swilliam.wang@arm.com 1178922Swilliam.wang@arm.com /** 1188922Swilliam.wang@arm.com * Virtual destructor due to inheritance. 1198922Swilliam.wang@arm.com */ 1208922Swilliam.wang@arm.com virtual ~Port(); 1213401Sktlim@umich.edu 1222381SN/A public: 1232640Sstever@eecs.umich.edu 1242640Sstever@eecs.umich.edu /** Return port name (for DPRINTF). */ 1258922Swilliam.wang@arm.com const std::string name() const { return portName; } 1264190Ssaidi@eecs.umich.edu 1278965Sandreas.hansson@arm.com /** Get the port id. */ 1288965Sandreas.hansson@arm.com PortId getId() const { return id; } 1298965Sandreas.hansson@arm.com 1302381SN/A protected: 1312381SN/A 1328948Sandreas.hansson@arm.com /** 1338975Sandreas.hansson@arm.com * Called by a peer port if sendTimingReq, sendTimingResp or 1348975Sandreas.hansson@arm.com * sendTimingSnoopResp was unsuccesful, and had to wait. 1358922Swilliam.wang@arm.com */ 1368922Swilliam.wang@arm.com virtual void recvRetry() = 0; 1372381SN/A 1388711Sandreas.hansson@arm.com public: 1392381SN/A 1408711Sandreas.hansson@arm.com /** 1418948Sandreas.hansson@arm.com * Send a retry to a peer port that previously attempted a 1428975Sandreas.hansson@arm.com * sendTimingReq, sendTimingResp or sendTimingSnoopResp which was 1438975Sandreas.hansson@arm.com * unsuccessful. 1448922Swilliam.wang@arm.com */ 1458948Sandreas.hansson@arm.com void sendRetry() { return peer->recvRetry(); } 1468922Swilliam.wang@arm.com 1478922Swilliam.wang@arm.com}; 1488922Swilliam.wang@arm.com 1498922Swilliam.wang@arm.com/** Forward declaration */ 1508922Swilliam.wang@arm.comclass SlavePort; 1518922Swilliam.wang@arm.com 1528922Swilliam.wang@arm.com/** 1538922Swilliam.wang@arm.com * A MasterPort is a specialisation of a port. In addition to the 1548922Swilliam.wang@arm.com * basic functionality of sending packets to its slave peer, it also 1558922Swilliam.wang@arm.com * has functions specific to a master, e.g. to receive range changes 1568922Swilliam.wang@arm.com * or determine if the port is snooping or not. 1578922Swilliam.wang@arm.com */ 1588922Swilliam.wang@arm.comclass MasterPort : public Port 1598922Swilliam.wang@arm.com{ 1608922Swilliam.wang@arm.com 1618975Sandreas.hansson@arm.com friend class SlavePort; 1628975Sandreas.hansson@arm.com 1638922Swilliam.wang@arm.com private: 1648922Swilliam.wang@arm.com 1658922Swilliam.wang@arm.com SlavePort* _slavePort; 1668922Swilliam.wang@arm.com 1678922Swilliam.wang@arm.com public: 1688922Swilliam.wang@arm.com 1698965Sandreas.hansson@arm.com MasterPort(const std::string& name, MemObject* owner, 1708965Sandreas.hansson@arm.com PortId id = INVALID_PORT_ID); 1718922Swilliam.wang@arm.com virtual ~MasterPort(); 1728922Swilliam.wang@arm.com 1738922Swilliam.wang@arm.com void bind(SlavePort& slave_port); 1748922Swilliam.wang@arm.com SlavePort& getSlavePort() const; 1758922Swilliam.wang@arm.com bool isConnected() const; 1768922Swilliam.wang@arm.com 1778922Swilliam.wang@arm.com /** 1788948Sandreas.hansson@arm.com * Send an atomic request packet, where the data is moved and the 1798948Sandreas.hansson@arm.com * state is updated in zero time, without interleaving with other 1808948Sandreas.hansson@arm.com * memory accesses. 1818948Sandreas.hansson@arm.com * 1828948Sandreas.hansson@arm.com * @param pkt Packet to send. 1838948Sandreas.hansson@arm.com * 1848948Sandreas.hansson@arm.com * @return Estimated latency of access. 1858948Sandreas.hansson@arm.com */ 1868948Sandreas.hansson@arm.com Tick sendAtomic(PacketPtr pkt); 1878948Sandreas.hansson@arm.com 1888948Sandreas.hansson@arm.com /** 1898948Sandreas.hansson@arm.com * Send a functional request packet, where the data is instantly 1908948Sandreas.hansson@arm.com * updated everywhere in the memory system, without affecting the 1918948Sandreas.hansson@arm.com * current state of any block or moving the block. 1928948Sandreas.hansson@arm.com * 1938948Sandreas.hansson@arm.com * @param pkt Packet to send. 1948948Sandreas.hansson@arm.com */ 1958948Sandreas.hansson@arm.com void sendFunctional(PacketPtr pkt); 1968948Sandreas.hansson@arm.com 1978948Sandreas.hansson@arm.com /** 1988975Sandreas.hansson@arm.com * Attempt to send a timing request to the slave port by calling 1998975Sandreas.hansson@arm.com * its corresponding receive function. If the send does not 2008975Sandreas.hansson@arm.com * succeed, as indicated by the return value, then the sender must 2018975Sandreas.hansson@arm.com * wait for a recvRetry at which point it can re-issue a 2028975Sandreas.hansson@arm.com * sendTimingReq. 2038975Sandreas.hansson@arm.com * 2048975Sandreas.hansson@arm.com * @param pkt Packet to send. 2058975Sandreas.hansson@arm.com * 2068975Sandreas.hansson@arm.com * @return If the send was succesful or not. 2078975Sandreas.hansson@arm.com */ 2088975Sandreas.hansson@arm.com bool sendTimingReq(PacketPtr pkt); 2098948Sandreas.hansson@arm.com 2108948Sandreas.hansson@arm.com /** 2118975Sandreas.hansson@arm.com * Attempt to send a timing snoop response packet to the slave 2128975Sandreas.hansson@arm.com * port by calling its corresponding receive function. If the send 2138975Sandreas.hansson@arm.com * does not succeed, as indicated by the return value, then the 2148975Sandreas.hansson@arm.com * sender must wait for a recvRetry at which point it can re-issue 2158975Sandreas.hansson@arm.com * a sendTimingSnoopResp. 2168975Sandreas.hansson@arm.com * 2178975Sandreas.hansson@arm.com * @param pkt Packet to send. 2188948Sandreas.hansson@arm.com */ 2198975Sandreas.hansson@arm.com bool sendTimingSnoopResp(PacketPtr pkt); 2208922Swilliam.wang@arm.com 2218922Swilliam.wang@arm.com /** 2228922Swilliam.wang@arm.com * Determine if this master port is snooping or not. The default 2238711Sandreas.hansson@arm.com * implementation returns false and thus tells the neighbour we 2248922Swilliam.wang@arm.com * are not snooping. Any master port that wants to receive snoop 2258922Swilliam.wang@arm.com * requests (e.g. a cache connected to a bus) has to override this 2268922Swilliam.wang@arm.com * function. 2278711Sandreas.hansson@arm.com * 2288711Sandreas.hansson@arm.com * @return true if the port should be considered a snooper 2298711Sandreas.hansson@arm.com */ 2308922Swilliam.wang@arm.com virtual bool isSnooping() const { return false; } 2312381SN/A 2328711Sandreas.hansson@arm.com /** 2338922Swilliam.wang@arm.com * Called by a peer port in order to determine the block size of 2348922Swilliam.wang@arm.com * the owner of this port. 2358711Sandreas.hansson@arm.com */ 2368922Swilliam.wang@arm.com virtual unsigned deviceBlockSize() const { return 0; } 2372381SN/A 2382381SN/A /** Called by the associated device if it wishes to find out the blocksize 2392381SN/A of the device on attached to the peer port. 2402381SN/A */ 2418922Swilliam.wang@arm.com unsigned peerBlockSize() const; 2422381SN/A 2435314Sstever@gmail.com /** Inject a PrintReq for the given address to print the state of 2445314Sstever@gmail.com * that address throughout the memory system. For debugging. 2455314Sstever@gmail.com */ 2465314Sstever@gmail.com void printAddr(Addr a); 2478975Sandreas.hansson@arm.com 2488975Sandreas.hansson@arm.com protected: 2498975Sandreas.hansson@arm.com 2508975Sandreas.hansson@arm.com /** 2518975Sandreas.hansson@arm.com * Receive an atomic snoop request packet from the slave port. 2528975Sandreas.hansson@arm.com */ 2538975Sandreas.hansson@arm.com virtual Tick recvAtomicSnoop(PacketPtr pkt) 2548975Sandreas.hansson@arm.com { 2558975Sandreas.hansson@arm.com panic("%s was not expecting an atomic snoop request\n", name()); 2568975Sandreas.hansson@arm.com return 0; 2578975Sandreas.hansson@arm.com } 2588975Sandreas.hansson@arm.com 2598975Sandreas.hansson@arm.com /** 2608975Sandreas.hansson@arm.com * Receive a functional snoop request packet from the slave port. 2618975Sandreas.hansson@arm.com */ 2628975Sandreas.hansson@arm.com virtual void recvFunctionalSnoop(PacketPtr pkt) 2638975Sandreas.hansson@arm.com { 2648975Sandreas.hansson@arm.com panic("%s was not expecting a functional snoop request\n", name()); 2658975Sandreas.hansson@arm.com } 2668975Sandreas.hansson@arm.com 2678975Sandreas.hansson@arm.com /** 2688975Sandreas.hansson@arm.com * Receive a timing response from the slave port. 2698975Sandreas.hansson@arm.com */ 2708975Sandreas.hansson@arm.com virtual bool recvTimingResp(PacketPtr pkt) = 0; 2718975Sandreas.hansson@arm.com 2728975Sandreas.hansson@arm.com /** 2738975Sandreas.hansson@arm.com * Receive a timing snoop request from the slave port. 2748975Sandreas.hansson@arm.com */ 2758975Sandreas.hansson@arm.com virtual void recvTimingSnoopReq(PacketPtr pkt) 2768975Sandreas.hansson@arm.com { 2778975Sandreas.hansson@arm.com panic("%s was not expecting a timing snoop request\n", name()); 2788975Sandreas.hansson@arm.com } 2798975Sandreas.hansson@arm.com 2808975Sandreas.hansson@arm.com /** 2818975Sandreas.hansson@arm.com * Called to receive an address range change from the peer slave 2828975Sandreas.hansson@arm.com * port. the default implementation ignored the change and does 2838975Sandreas.hansson@arm.com * nothing. Override this function in a derived class if the owner 2848975Sandreas.hansson@arm.com * needs to be aware of he laesddress ranges, e.g. in an 2858975Sandreas.hansson@arm.com * interconnect component like a bus. 2868975Sandreas.hansson@arm.com */ 2878975Sandreas.hansson@arm.com virtual void recvRangeChange() { } 2882381SN/A}; 2892381SN/A 2908922Swilliam.wang@arm.com/** 2918922Swilliam.wang@arm.com * A SlavePort is a specialisation of a port. In addition to the 2928922Swilliam.wang@arm.com * basic functionality of sending packets to its master peer, it also 2938922Swilliam.wang@arm.com * has functions specific to a slave, e.g. to send range changes 2948922Swilliam.wang@arm.com * and get the address ranges that the port responds to. 2958922Swilliam.wang@arm.com */ 2968922Swilliam.wang@arm.comclass SlavePort : public Port 2978922Swilliam.wang@arm.com{ 2988922Swilliam.wang@arm.com 2998975Sandreas.hansson@arm.com friend class MasterPort; 3008975Sandreas.hansson@arm.com 3018922Swilliam.wang@arm.com private: 3028922Swilliam.wang@arm.com 3038922Swilliam.wang@arm.com MasterPort* _masterPort; 3048922Swilliam.wang@arm.com 3058922Swilliam.wang@arm.com public: 3068922Swilliam.wang@arm.com 3078965Sandreas.hansson@arm.com SlavePort(const std::string& name, MemObject* owner, 3088965Sandreas.hansson@arm.com PortId id = INVALID_PORT_ID); 3098922Swilliam.wang@arm.com virtual ~SlavePort(); 3108922Swilliam.wang@arm.com 3118922Swilliam.wang@arm.com void bind(MasterPort& master_port); 3128922Swilliam.wang@arm.com MasterPort& getMasterPort() const; 3138922Swilliam.wang@arm.com bool isConnected() const; 3148922Swilliam.wang@arm.com 3158922Swilliam.wang@arm.com /** 3168948Sandreas.hansson@arm.com * Send an atomic snoop request packet, where the data is moved 3178948Sandreas.hansson@arm.com * and the state is updated in zero time, without interleaving 3188948Sandreas.hansson@arm.com * with other memory accesses. 3198948Sandreas.hansson@arm.com * 3208948Sandreas.hansson@arm.com * @param pkt Snoop packet to send. 3218948Sandreas.hansson@arm.com * 3228948Sandreas.hansson@arm.com * @return Estimated latency of access. 3238948Sandreas.hansson@arm.com */ 3248948Sandreas.hansson@arm.com Tick sendAtomicSnoop(PacketPtr pkt); 3258948Sandreas.hansson@arm.com 3268948Sandreas.hansson@arm.com /** 3278948Sandreas.hansson@arm.com * Send a functional snoop request packet, where the data is 3288948Sandreas.hansson@arm.com * instantly updated everywhere in the memory system, without 3298948Sandreas.hansson@arm.com * affecting the current state of any block or moving the block. 3308948Sandreas.hansson@arm.com * 3318948Sandreas.hansson@arm.com * @param pkt Snoop packet to send. 3328948Sandreas.hansson@arm.com */ 3338948Sandreas.hansson@arm.com void sendFunctionalSnoop(PacketPtr pkt); 3348948Sandreas.hansson@arm.com 3358948Sandreas.hansson@arm.com /** 3368975Sandreas.hansson@arm.com * Attempt to send a timing response to the master port by calling 3378975Sandreas.hansson@arm.com * its corresponding receive function. If the send does not 3388975Sandreas.hansson@arm.com * succeed, as indicated by the return value, then the sender must 3398975Sandreas.hansson@arm.com * wait for a recvRetry at which point it can re-issue a 3408975Sandreas.hansson@arm.com * sendTimingResp. 3418975Sandreas.hansson@arm.com * 3428975Sandreas.hansson@arm.com * @param pkt Packet to send. 3438975Sandreas.hansson@arm.com * 3448975Sandreas.hansson@arm.com * @return If the send was succesful or not. 3458975Sandreas.hansson@arm.com */ 3468975Sandreas.hansson@arm.com bool sendTimingResp(PacketPtr pkt); 3478948Sandreas.hansson@arm.com 3488948Sandreas.hansson@arm.com /** 3498975Sandreas.hansson@arm.com * Attempt to send a timing snoop request packet to the master port 3508975Sandreas.hansson@arm.com * by calling its corresponding receive function. Snoop requests 3518975Sandreas.hansson@arm.com * always succeed and hence no return value is needed. 3528975Sandreas.hansson@arm.com * 3538975Sandreas.hansson@arm.com * @param pkt Packet to send. 3548948Sandreas.hansson@arm.com */ 3558975Sandreas.hansson@arm.com void sendTimingSnoopReq(PacketPtr pkt); 3568948Sandreas.hansson@arm.com 3578948Sandreas.hansson@arm.com /** 3588922Swilliam.wang@arm.com * Called by a peer port in order to determine the block size of 3598922Swilliam.wang@arm.com * the owner of this port. 3608922Swilliam.wang@arm.com */ 3618922Swilliam.wang@arm.com virtual unsigned deviceBlockSize() const { return 0; } 3628922Swilliam.wang@arm.com 3638922Swilliam.wang@arm.com /** Called by the associated device if it wishes to find out the blocksize 3648922Swilliam.wang@arm.com of the device on attached to the peer port. 3658922Swilliam.wang@arm.com */ 3668922Swilliam.wang@arm.com unsigned peerBlockSize() const; 3678922Swilliam.wang@arm.com 3688922Swilliam.wang@arm.com /** 3698922Swilliam.wang@arm.com * Called by the owner to send a range change 3708922Swilliam.wang@arm.com */ 3718922Swilliam.wang@arm.com void sendRangeChange() const { _masterPort->recvRangeChange(); } 3728922Swilliam.wang@arm.com 3738922Swilliam.wang@arm.com /** 3748922Swilliam.wang@arm.com * Get a list of the non-overlapping address ranges the owner is 3758922Swilliam.wang@arm.com * responsible for. All slave ports must override this function 3768922Swilliam.wang@arm.com * and return a populated list with at least one item. 3778922Swilliam.wang@arm.com * 3788922Swilliam.wang@arm.com * @return a list of ranges responded to 3798922Swilliam.wang@arm.com */ 3808922Swilliam.wang@arm.com virtual AddrRangeList getAddrRanges() = 0; 3818975Sandreas.hansson@arm.com 3828975Sandreas.hansson@arm.com protected: 3838975Sandreas.hansson@arm.com 3848975Sandreas.hansson@arm.com /** 3858975Sandreas.hansson@arm.com * Receive an atomic request packet from the master port. 3868975Sandreas.hansson@arm.com */ 3878975Sandreas.hansson@arm.com virtual Tick recvAtomic(PacketPtr pkt) = 0; 3888975Sandreas.hansson@arm.com 3898975Sandreas.hansson@arm.com /** 3908975Sandreas.hansson@arm.com * Receive a functional request packet from the master port. 3918975Sandreas.hansson@arm.com */ 3928975Sandreas.hansson@arm.com virtual void recvFunctional(PacketPtr pkt) = 0; 3938975Sandreas.hansson@arm.com 3948975Sandreas.hansson@arm.com /** 3958975Sandreas.hansson@arm.com * Receive a timing request from the master port. 3968975Sandreas.hansson@arm.com */ 3978975Sandreas.hansson@arm.com virtual bool recvTimingReq(PacketPtr pkt) = 0; 3988975Sandreas.hansson@arm.com 3998975Sandreas.hansson@arm.com /** 4008975Sandreas.hansson@arm.com * Receive a timing snoop response from the master port. 4018975Sandreas.hansson@arm.com */ 4028975Sandreas.hansson@arm.com virtual bool recvTimingSnoopResp(PacketPtr pkt) 4038975Sandreas.hansson@arm.com { 4048975Sandreas.hansson@arm.com panic("%s was not expecting a timing snoop response\n", name()); 4058975Sandreas.hansson@arm.com } 4068975Sandreas.hansson@arm.com 4078922Swilliam.wang@arm.com}; 4088922Swilliam.wang@arm.com 4092381SN/A#endif //__MEM_PORT_HH__ 410