qport.hh (8914:8c3bd7bea667) | qport.hh (8922:17f037ad8918) |
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1/* 2 * Copyright (c) 2012 ARM Limited 3 * All rights reserved. 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 42 unchanged lines hidden (view full) --- 51/** 52 * A queued port is a port that has an infinite queue for outgoing 53 * packets and thus decouples the module that wants to send 54 * request/responses from the flow control (retry mechanism) of the 55 * port. A queued port can be used by both a master and a slave. The 56 * queue is a parameter to allow tailoring of the queue implementation 57 * (used in the cache). 58 */ | 1/* 2 * Copyright (c) 2012 ARM Limited 3 * All rights reserved. 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 42 unchanged lines hidden (view full) --- 51/** 52 * A queued port is a port that has an infinite queue for outgoing 53 * packets and thus decouples the module that wants to send 54 * request/responses from the flow control (retry mechanism) of the 55 * port. A queued port can be used by both a master and a slave. The 56 * queue is a parameter to allow tailoring of the queue implementation 57 * (used in the cache). 58 */ |
59class QueuedPort : public Port | 59class QueuedSlavePort : public SlavePort |
60{ 61 62 protected: 63 64 /** Packet queue used to store outgoing requests and responses. */ 65 PacketQueue &queue; 66 67 /** This function is notification that the device should attempt to send a 68 * packet again. */ 69 virtual void recvRetry() { queue.retry(); } 70 | 60{ 61 62 protected: 63 64 /** Packet queue used to store outgoing requests and responses. */ 65 PacketQueue &queue; 66 67 /** This function is notification that the device should attempt to send a 68 * packet again. */ 69 virtual void recvRetry() { queue.retry(); } 70 |
71 virtual void recvRangeChange() { } | 71 public: |
72 | 72 |
73 /** 74 * Create a QueuedPort with a given name, owner, and a supplied 75 * implementation of a packet queue. The external definition of 76 * the queue enables e.g. the cache to implement a specific queue 77 * behaviuor in a subclass, and provide the latter to the 78 * QueuePort constructor. 79 */ 80 QueuedSlavePort(const std::string& name, MemObject* owner, 81 PacketQueue &queue) : 82 SlavePort(name, owner), queue(queue) 83 { } 84 85 virtual ~QueuedSlavePort() { } 86 87 /** Check the list of buffered packets against the supplied 88 * functional request. */ 89 bool checkFunctional(PacketPtr pkt) { return queue.checkFunctional(pkt); } 90 91 /** 92 * Hook for draining the queued port. 93 * 94 * @param de an event which is used to signal back to the caller 95 * @returns a number indicating how many times process will be called 96 */ 97 unsigned int drain(Event *de) { return queue.drain(de); } 98}; 99 100class QueuedMasterPort : public MasterPort 101{ 102 103 protected: 104 105 /** Packet queue used to store outgoing requests and responses. */ 106 PacketQueue &queue; 107 108 /** This function is notification that the device should attempt to send a 109 * packet again. */ 110 virtual void recvRetry() { queue.retry(); } 111 |
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73 public: 74 75 /** 76 * Create a QueuedPort with a given name, owner, and a supplied 77 * implementation of a packet queue. The external definition of 78 * the queue enables e.g. the cache to implement a specific queue 79 * behaviuor in a subclass, and provide the latter to the 80 * QueuePort constructor. 81 */ | 112 public: 113 114 /** 115 * Create a QueuedPort with a given name, owner, and a supplied 116 * implementation of a packet queue. The external definition of 117 * the queue enables e.g. the cache to implement a specific queue 118 * behaviuor in a subclass, and provide the latter to the 119 * QueuePort constructor. 120 */ |
82 QueuedPort(const std::string& name, MemObject* owner, PacketQueue &queue) : 83 Port(name, owner), queue(queue) | 121 QueuedMasterPort(const std::string& name, MemObject* owner, 122 PacketQueue &queue) : 123 MasterPort(name, owner), queue(queue) |
84 { } 85 | 124 { } 125 |
86 virtual ~QueuedPort() { } | 126 virtual ~QueuedMasterPort() { } |
87 88 /** Check the list of buffered packets against the supplied 89 * functional request. */ 90 bool checkFunctional(PacketPtr pkt) { return queue.checkFunctional(pkt); } 91 92 /** 93 * Hook for draining the queued port. 94 * 95 * @param de an event which is used to signal back to the caller 96 * @returns a number indicating how many times process will be called 97 */ 98 unsigned int drain(Event *de) { return queue.drain(de); } 99}; 100 101#endif // __MEM_QPORT_HH__ | 127 128 /** Check the list of buffered packets against the supplied 129 * functional request. */ 130 bool checkFunctional(PacketPtr pkt) { return queue.checkFunctional(pkt); } 131 132 /** 133 * Hook for draining the queued port. 134 * 135 * @param de an event which is used to signal back to the caller 136 * @returns a number indicating how many times process will be called 137 */ 138 unsigned int drain(Event *de) { return queue.drain(de); } 139}; 140 141#endif // __MEM_QPORT_HH__ |