86e9a6ffec
Sync DRAMPower to external tool This patch syncs the DRAMPower library of gem5 to the external one on github (https://github.com/ravenrd/DRAMPower) of which I am a maintainer. The version used is the commit: 902a00a1797c48a9df97ec88868f20e847680ae6 from 07. May. 2016. Committed by Jason Lowe-Power <jason@lowepower.com>
188 lines
5.7 KiB
C++
188 lines
5.7 KiB
C++
/*
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* Copyright (c) 2012-2014, TU Delft
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* Copyright (c) 2012-2014, TU Eindhoven
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* Copyright (c) 2012-2014, TU Kaiserslautern
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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:
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*
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* 1. 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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*
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* 2. 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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*
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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
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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 "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Karthik Chandrasekar
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*
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*/
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#ifndef MEMCOMMAND_H
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#define MEMCOMMAND_H
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#include <stdint.h>
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#include <cassert>
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#include <string>
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#include "MemorySpecification.h"
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namespace Data {
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class MemCommand {
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public:
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/*
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* 1. ACT - Activate
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* 2. RD - Read
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* 3. WR - Write
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* 4. PRE - Explicit Precharge per bank
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* 5. REF - Refresh all banks
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* 6. END - To indicate end of trace
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* 7. RDA - Read with auto-precharge
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* 8. WRA - Write with auto-precharge
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* 9. PREA - Precharge all banks
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* 10. PDN_F_PRE - Precharge Power-down Entry command (Fast-Exit)
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* 11. PDN_S_PRE - Precharge Power-down Entry command (Slow-Exit)
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* 12. PDN_F_ACT - Active Power-down Entry command (Fast-Exit)
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* 13. PDN_S_ACT - Active Power-down Entry command (Slow-Exit)
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* 14. PUP_PRE - Precharge Power-down Exit
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* 15. PUP_ACT - Active Power-down Exit
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* 16. SREN - Self-Refresh Entry command
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* 17. SREX - Self-refresh Exit
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* 18. NOP - To indicate end of trace
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*/
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enum cmds {
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ACT = 0,
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RD = 1,
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WR = 2,
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PRE = 3,
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REF = 4,
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END = 5,
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RDA = 6,
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WRA = 7,
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PREA = 8,
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PDN_F_PRE = 9,
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PDN_S_PRE = 10,
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PDN_F_ACT = 11,
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PDN_S_ACT = 12,
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PUP_PRE = 13,
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PUP_ACT = 14,
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SREN = 15,
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SREX = 16,
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NOP = 17,
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UNINITIALIZED = 18
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};
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// MemCommand();
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MemCommand(
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// Command Type
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MemCommand::cmds type = UNINITIALIZED,
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// Target Bank
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unsigned bank = 0,
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// Command Issue Timestamp (in cc)
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int64_t timestamp = 0L);
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// Get command type
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cmds getType() const;
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// Set command type
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void setType(MemCommand::cmds type);
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// Set target Bank
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void setBank(unsigned bank);
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// Get target Bank
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unsigned getBank() const;
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// Set timestamp
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void setTime(int64_t _timestamp);
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// Get timestamp
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int64_t getTimeInt64() const;
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cmds typeWithoutAutoPrechargeFlag() const;
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// To calculate precharge offset after read or write with auto-precharge
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int64_t getPrechargeOffset(const MemorySpecification& memSpec,
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MemCommand::cmds type) const;
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// To check for equivalence
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bool operator==(const MemCommand& other) const
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{
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if ((getType() == other.getType()) &&
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(getBank() == other.getBank())
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) {
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return true;
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} else {
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return false;
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}
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}
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static const unsigned int nCommands = 19;
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static std::string* getCommandTypeStrings()
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{
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static std::string type_map[nCommands] = { "ACT",
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"RD",
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"WR",
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"PRE",
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"REF",
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"END",
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"RDA",
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"WRA",
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"PREA",
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"PDN_F_PRE",
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"PDN_S_PRE",
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"PDN_F_ACT",
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"PDN_S_ACT",
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"PUP_PRE",
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"PUP_ACT",
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"SREN",
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"SREX",
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"NOP",
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"UNINITIALIZED" };
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return type_map;
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}
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// To identify command type from name
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static cmds getTypeFromName(const std::string& name)
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{
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std::string* typeStrings = getCommandTypeStrings();
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for (size_t typeId = 0; typeId < nCommands; typeId++) {
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if (typeStrings[typeId] == name) {
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cmds commandType = static_cast<cmds>(typeId);
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return commandType;
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}
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}
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assert(false); // Unknown name.
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return NOP; // For clang compilation
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}
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private:
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MemCommand::cmds type;
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unsigned bank;
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int64_t timestamp;
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};
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}
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#endif // ifndef MEMCOMMAND_H
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