Add a DRAMSys wrapper to the gem5 memory source that instantiates the DRAMSys simulator. Another DRAMSys SimObject implements the AbstractMemory interface and exposes the tlm target socket. Change-Id: I8a95e729905e0924453043e5e7744df7a7ce4548 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/62912 Tested-by: kokoro <noreply+kokoro@google.com> Maintainer: Bobby Bruce <bbruce@ucdavis.edu> Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/*
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* Copyright (c) 2022 Fraunhofer IESE
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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
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __MEM_DRAMSYS_H__
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#define __MEM_DRAMSYS_H__
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#include "DRAMSysConfiguration.h"
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#include "mem/abstract_mem.hh"
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#include "mem/dramsys_wrapper.hh"
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#include "params/DRAMSys.hh"
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namespace gem5
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{
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namespace memory
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{
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class DRAMSys : public AbstractMemory
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{
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PARAMS(DRAMSys);
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sc_gem5::TlmTargetWrapper<32> tlmWrapper;
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public:
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DRAMSys(Params const ¶ms)
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: AbstractMemory(params),
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tlmWrapper(dramSysWrapper.tSocket,
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params.name + ".tlm",
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InvalidPortID),
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config(DRAMSysConfiguration::from_path(
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params.configuration,
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params.resource_directory)),
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dramSysWrapper(params.name.c_str(),
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config,
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params.recordable,
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params.range)
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{
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}
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gem5::Port &getPort(const std::string &if_name, PortID idx) override
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{
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if (if_name != "tlm")
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{
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return AbstractMemory::getPort(if_name, idx);
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}
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return tlmWrapper;
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}
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private:
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DRAMSysConfiguration::Configuration config;
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DRAMSysWrapper dramSysWrapper;
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};
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} // namespace memory
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} // namespace gem5
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#endif // __MEM_DRAMSYS_HH__
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