mshr.cc (11744:5d33c6972dda) mshr.cc (11751:cd6248b276a8)
1/*
2 * Copyright (c) 2012-2013, 2015-2016 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

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397 // so this MSHR is the orgering point, and we need to respond
398 // after we receive data.
399 // 2. It's an invalidation (e.g., UpgradeReq), and we need
400 // to forward the snoop up the hierarchy after the current
401 // transaction completes.
402
403 // Start by determining if we will eventually respond or not,
404 // matching the conditions checked in Cache::handleSnoop
1/*
2 * Copyright (c) 2012-2013, 2015-2016 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

--- 388 unchanged lines hidden (view full) ---

397 // so this MSHR is the orgering point, and we need to respond
398 // after we receive data.
399 // 2. It's an invalidation (e.g., UpgradeReq), and we need
400 // to forward the snoop up the hierarchy after the current
401 // transaction completes.
402
403 // Start by determining if we will eventually respond or not,
404 // matching the conditions checked in Cache::handleSnoop
405 bool will_respond = isPendingModified() && pkt->needsResponse() &&
406 pkt->cmd != MemCmd::InvalidateReq;
405 bool will_respond = isPendingModified() && pkt->needsResponse();
407
408 // The packet we are snooping may be deleted by the time we
409 // actually process the target, and we consequently need to
410 // save a copy here. Clear flags and also allocate new data as
411 // the original packet data storage may have been deleted by
412 // the time we get to process this packet. In the cases where
413 // we are not responding after handling the snoop we also need
414 // to create a copy of the request to be on the safe side. In

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407 // The packet we are snooping may be deleted by the time we
408 // actually process the target, and we consequently need to
409 // save a copy here. Clear flags and also allocate new data as
410 // the original packet data storage may have been deleted by
411 // the time we get to process this packet. In the cases where
412 // we are not responding after handling the snoop we also need
413 // to create a copy of the request to be on the safe side. In

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