1/* 2 * Copyright (c) 2014-2015 Advanced Micro Devices, Inc. 3 * All rights reserved. 4 * 5 * For use for simulation and test purposes only 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright notice, 14 * this list of conditions and the following disclaimer in the documentation 15 * and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the copyright holder nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 * 33 * Author: John Kalamatianos, Sooraj Puthoor 34 */ 35 36#ifndef __GLOBAL_MEMORY_PIPELINE_HH__ 37#define __GLOBAL_MEMORY_PIPELINE_HH__ 38 39#include <queue> 40#include <string> 41 42#include "gpu-compute/misc.hh" 43#include "params/ComputeUnit.hh" 44#include "sim/stats.hh" 45 46/* 47 * @file global_memory_pipeline.hh 48 * 49 * The global memory pipeline issues newly created global memory packets 50 * from the pipeline to DTLB. The exec() method of the memory packet issues 51 * the packet to the DTLB if there is space available in the return fifo. 52 * This stage also retires previously issued loads and stores that have 53 * returned from the memory sub-system. 54 */ 55 56class ComputeUnit; 57 58class GlobalMemPipeline 59{ 60 public: 61 GlobalMemPipeline(const ComputeUnitParams *params); 62 void init(ComputeUnit *cu); 63 void exec(); 64
| 1/* 2 * Copyright (c) 2014-2015 Advanced Micro Devices, Inc. 3 * All rights reserved. 4 * 5 * For use for simulation and test purposes only 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright notice, 14 * this list of conditions and the following disclaimer in the documentation 15 * and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the copyright holder nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 * 33 * Author: John Kalamatianos, Sooraj Puthoor 34 */ 35 36#ifndef __GLOBAL_MEMORY_PIPELINE_HH__ 37#define __GLOBAL_MEMORY_PIPELINE_HH__ 38 39#include <queue> 40#include <string> 41 42#include "gpu-compute/misc.hh" 43#include "params/ComputeUnit.hh" 44#include "sim/stats.hh" 45 46/* 47 * @file global_memory_pipeline.hh 48 * 49 * The global memory pipeline issues newly created global memory packets 50 * from the pipeline to DTLB. The exec() method of the memory packet issues 51 * the packet to the DTLB if there is space available in the return fifo. 52 * This stage also retires previously issued loads and stores that have 53 * returned from the memory sub-system. 54 */ 55 56class ComputeUnit; 57 58class GlobalMemPipeline 59{ 60 public: 61 GlobalMemPipeline(const ComputeUnitParams *params); 62 void init(ComputeUnit *cu); 63 void exec(); 64
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