d63c640775
These were causing errors to be thrown when compiling in clang-12. Change-Id: I8bd2d7e7e1d4423a54766ed906c864bb91e884f0 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/58149 Reviewed-by: Matthew Poremba <matthew.poremba@amd.com> Maintainer: Matthew Poremba <matthew.poremba@amd.com> Tested-by: kokoro <noreply+kokoro@google.com>
82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
/*
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* Copyright (c) 2021 Advanced Micro Devices, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __DEV_GPU_SYSTEM_HUB_HH__
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#define __DEV_GPU_SYSTEM_HUB_HH__
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#include "dev/dma_device.hh"
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#include "params/AMDGPUSystemHub.hh"
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namespace gem5
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{
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class RequestPort;
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/**
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* This class handles reads from the system/host memory space from the shader.
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* It is meant to handle requests to memory which translation to system
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* addresses. This can occur in fetch, scalar read/write, or vector memory
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* read/write. It is a very basic interface to convert read packets to DMA
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* requests and respond to the caller using an event.
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*/
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class AMDGPUSystemHub : public DmaDevice
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{
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public:
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AMDGPUSystemHub(const AMDGPUSystemHubParams &p) : DmaDevice(p) { }
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void sendRequest(PacketPtr pkt, Event *callback);
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void dmaResponse(PacketPtr pkt);
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/**
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* Inherited methods.
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*/
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Tick write(PacketPtr pkt) override { return 0; }
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Tick read(PacketPtr pkt) override { return 0; }
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AddrRangeList getAddrRanges() const override;
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private:
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class ResponseEvent : public Event
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{
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Event *callback;
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public:
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ResponseEvent(Event *_callback);
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void process();
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};
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};
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} // namespace gem5
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#endif /* __DEV_GPU_SYSTEM_HUB_HH__ */
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