| packet.hh (13860:8f8df5b68439) | packet.hh (13892:0182a0601f66) |
|---|---|
| 1/* 2 * Copyright (c) 2012-2019 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 --- 373 unchanged lines hidden (view full) --- 382 * delay, this is used to make up for the fact that the 383 * crossbar does not make the packet wait. As the delay is 384 * relative, a 32-bit unsigned should be sufficient. 385 */ 386 uint32_t payloadDelay; 387 388 /** 389 * A virtual base opaque structure used to hold state associated | 1/* 2 * Copyright (c) 2012-2019 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 --- 373 unchanged lines hidden (view full) --- 382 * delay, this is used to make up for the fact that the 383 * crossbar does not make the packet wait. As the delay is 384 * relative, a 32-bit unsigned should be sufficient. 385 */ 386 uint32_t payloadDelay; 387 388 /** 389 * A virtual base opaque structure used to hold state associated |
| 390 * with the packet (e.g., an MSHR), specific to a MemObject that | 390 * with the packet (e.g., an MSHR), specific to a SimObject that |
| 391 * sees the packet. A pointer to this state is returned in the | 391 * sees the packet. A pointer to this state is returned in the |
| 392 * packet's response so that the MemObject in question can quickly | 392 * packet's response so that the SimObject in question can quickly |
| 393 * look up the state needed to process it. A specific subclass 394 * would be derived from this to carry state specific to a 395 * particular sending device. 396 * | 393 * look up the state needed to process it. A specific subclass 394 * would be derived from this to carry state specific to a 395 * particular sending device. 396 * |
| 397 * As multiple MemObjects may add their SenderState throughout the | 397 * As multiple SimObjects may add their SenderState throughout the |
| 398 * memory system, the SenderStates create a stack, where a | 398 * memory system, the SenderStates create a stack, where a |
| 399 * MemObject can add a new Senderstate, as long as the | 399 * SimObject can add a new Senderstate, as long as the |
| 400 * predecessing SenderState is restored when the response comes 401 * back. For this reason, the predecessor should always be 402 * populated with the current SenderState of a packet before 403 * modifying the senderState field in the request packet. 404 */ 405 struct SenderState 406 { 407 SenderState* predecessor; --- 935 unchanged lines hidden --- | 400 * predecessing SenderState is restored when the response comes 401 * back. For this reason, the predecessor should always be 402 * populated with the current SenderState of a packet before 403 * modifying the senderState field in the request packet. 404 */ 405 struct SenderState 406 { 407 SenderState* predecessor; --- 935 unchanged lines hidden --- |