MemCommand.cc revision 10428
110428Sandreas.hansson@arm.com/* 210428Sandreas.hansson@arm.com * Copyright (c) 2012-2014, TU Delft 310428Sandreas.hansson@arm.com * Copyright (c) 2012-2014, TU Eindhoven 410428Sandreas.hansson@arm.com * Copyright (c) 2012-2014, TU Kaiserslautern 510428Sandreas.hansson@arm.com * All rights reserved. 610428Sandreas.hansson@arm.com * 710428Sandreas.hansson@arm.com * Redistribution and use in source and binary forms, with or without 810428Sandreas.hansson@arm.com * modification, are permitted provided that the following conditions are 910428Sandreas.hansson@arm.com * met: 1010428Sandreas.hansson@arm.com * 1110428Sandreas.hansson@arm.com * 1. Redistributions of source code must retain the above copyright 1210428Sandreas.hansson@arm.com * notice, this list of conditions and the following disclaimer. 1310428Sandreas.hansson@arm.com * 1410428Sandreas.hansson@arm.com * 2. Redistributions in binary form must reproduce the above copyright 1510428Sandreas.hansson@arm.com * notice, this list of conditions and the following disclaimer in the 1610428Sandreas.hansson@arm.com * documentation and/or other materials provided with the distribution. 1710428Sandreas.hansson@arm.com * 1810428Sandreas.hansson@arm.com * 3. Neither the name of the copyright holder nor the names of its 1910428Sandreas.hansson@arm.com * contributors may be used to endorse or promote products derived from 2010428Sandreas.hansson@arm.com * this software without specific prior written permission. 2110428Sandreas.hansson@arm.com * 2210428Sandreas.hansson@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 2310428Sandreas.hansson@arm.com * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2410428Sandreas.hansson@arm.com * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 2510428Sandreas.hansson@arm.com * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2610428Sandreas.hansson@arm.com * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2710428Sandreas.hansson@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 2810428Sandreas.hansson@arm.com * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2910428Sandreas.hansson@arm.com * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 3010428Sandreas.hansson@arm.com * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 3110428Sandreas.hansson@arm.com * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3210428Sandreas.hansson@arm.com * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3310428Sandreas.hansson@arm.com * 3410428Sandreas.hansson@arm.com * Authors: Karthik Chandrasekar 3510428Sandreas.hansson@arm.com * 3610428Sandreas.hansson@arm.com */ 3710428Sandreas.hansson@arm.com 3810428Sandreas.hansson@arm.com#include "MemCommand.h" 3910428Sandreas.hansson@arm.com 4010428Sandreas.hansson@arm.com#include <algorithm> // for max 4110428Sandreas.hansson@arm.com 4210428Sandreas.hansson@arm.com#include "MemorySpecification.h" 4310428Sandreas.hansson@arm.com 4410428Sandreas.hansson@arm.comusing namespace Data; 4510428Sandreas.hansson@arm.comusing namespace std; 4610428Sandreas.hansson@arm.com 4710428Sandreas.hansson@arm.comMemCommand::MemCommand() : 4810428Sandreas.hansson@arm.com type(MemCommand::PRE), 4910428Sandreas.hansson@arm.com bank(0), 5010428Sandreas.hansson@arm.com timestamp(0) 5110428Sandreas.hansson@arm.com{ 5210428Sandreas.hansson@arm.com} 5310428Sandreas.hansson@arm.com 5410428Sandreas.hansson@arm.comMemCommand::MemCommand(MemCommand::cmds type, 5510428Sandreas.hansson@arm.com unsigned bank, double timestamp) : 5610428Sandreas.hansson@arm.com type(type), 5710428Sandreas.hansson@arm.com bank(bank), 5810428Sandreas.hansson@arm.com timestamp(timestamp) 5910428Sandreas.hansson@arm.com{ 6010428Sandreas.hansson@arm.com} 6110428Sandreas.hansson@arm.com 6210428Sandreas.hansson@arm.comvoid MemCommand::setType(MemCommand::cmds _type) 6310428Sandreas.hansson@arm.com{ 6410428Sandreas.hansson@arm.com type = _type; 6510428Sandreas.hansson@arm.com} 6610428Sandreas.hansson@arm.com 6710428Sandreas.hansson@arm.comMemCommand::cmds MemCommand::getType() const 6810428Sandreas.hansson@arm.com{ 6910428Sandreas.hansson@arm.com return type; 7010428Sandreas.hansson@arm.com} 7110428Sandreas.hansson@arm.com 7210428Sandreas.hansson@arm.comvoid MemCommand::setBank(unsigned _bank) 7310428Sandreas.hansson@arm.com{ 7410428Sandreas.hansson@arm.com bank = _bank; 7510428Sandreas.hansson@arm.com} 7610428Sandreas.hansson@arm.com 7710428Sandreas.hansson@arm.comunsigned MemCommand::getBank() const 7810428Sandreas.hansson@arm.com{ 7910428Sandreas.hansson@arm.com return bank; 8010428Sandreas.hansson@arm.com} 8110428Sandreas.hansson@arm.com 8210428Sandreas.hansson@arm.com// For auto-precharge with read or write - to calculate cycle of precharge 8310428Sandreas.hansson@arm.comint MemCommand::getPrechargeOffset(const MemorySpecification& memSpec, 8410428Sandreas.hansson@arm.com MemCommand::cmds type) const 8510428Sandreas.hansson@arm.com{ 8610428Sandreas.hansson@arm.com int precharge_offset = 0; 8710428Sandreas.hansson@arm.com 8810428Sandreas.hansson@arm.com int BL(static_cast<int>(memSpec.memArchSpec.burstLength)); 8910428Sandreas.hansson@arm.com int RTP(static_cast<int>(memSpec.memTimingSpec.RTP)); 9010428Sandreas.hansson@arm.com int dataRate(static_cast<int>(memSpec.memArchSpec.dataRate)); 9110428Sandreas.hansson@arm.com int AL(static_cast<int>(memSpec.memTimingSpec.AL)); 9210428Sandreas.hansson@arm.com int WL(static_cast<int>(memSpec.memTimingSpec.WL)); 9310428Sandreas.hansson@arm.com int WR(static_cast<int>(memSpec.memTimingSpec.WR)); 9410428Sandreas.hansson@arm.com int B = BL/dataRate; 9510428Sandreas.hansson@arm.com 9610428Sandreas.hansson@arm.com const MemoryType::MemoryType_t& memType = memSpec.memoryType; 9710428Sandreas.hansson@arm.com 9810428Sandreas.hansson@arm.com // Read with auto-precharge 9910428Sandreas.hansson@arm.com if (type == MemCommand::RDA) { 10010428Sandreas.hansson@arm.com if (memType == MemoryType::DDR2) { 10110428Sandreas.hansson@arm.com precharge_offset = B + AL - 2 + max(RTP, 2); 10210428Sandreas.hansson@arm.com } else if (memType == MemoryType::DDR3) { 10310428Sandreas.hansson@arm.com precharge_offset = AL + max(RTP, 4); 10410428Sandreas.hansson@arm.com } else if (memType == MemoryType::DDR4) { 10510428Sandreas.hansson@arm.com precharge_offset = AL + RTP; 10610428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR) { 10710428Sandreas.hansson@arm.com precharge_offset = B; 10810428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR2) { 10910428Sandreas.hansson@arm.com precharge_offset = B + max(0, RTP - 2); 11010428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR3) { 11110428Sandreas.hansson@arm.com precharge_offset = B + max(0, RTP - 4); 11210428Sandreas.hansson@arm.com } else if (memType == MemoryType::WIDEIO_SDR) { 11310428Sandreas.hansson@arm.com precharge_offset = B; 11410428Sandreas.hansson@arm.com } 11510428Sandreas.hansson@arm.com } else if (type == MemCommand::WRA) { // Write with auto-precharge 11610428Sandreas.hansson@arm.com if (memType == MemoryType::DDR2) { 11710428Sandreas.hansson@arm.com precharge_offset = B + WL + WR; 11810428Sandreas.hansson@arm.com } else if (memType == MemoryType::DDR3) { 11910428Sandreas.hansson@arm.com precharge_offset = B + WL + WR; 12010428Sandreas.hansson@arm.com } else if (memType == MemoryType::DDR4) { 12110428Sandreas.hansson@arm.com precharge_offset = B + WL + WR; 12210428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR) { 12310428Sandreas.hansson@arm.com precharge_offset = B + WR; // + DQSS actually, but we don't have that parameter. 12410428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR2) { 12510428Sandreas.hansson@arm.com precharge_offset = B + WL + WR + 1; 12610428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR3) { 12710428Sandreas.hansson@arm.com precharge_offset = B + WL + WR + 1; 12810428Sandreas.hansson@arm.com } else if (memType == MemoryType::WIDEIO_SDR) { 12910428Sandreas.hansson@arm.com precharge_offset = B + WL + WR - 1; 13010428Sandreas.hansson@arm.com } 13110428Sandreas.hansson@arm.com } 13210428Sandreas.hansson@arm.com 13310428Sandreas.hansson@arm.com return precharge_offset; 13410428Sandreas.hansson@arm.com} // MemCommand::getPrechargeOffset 13510428Sandreas.hansson@arm.com 13610428Sandreas.hansson@arm.comvoid MemCommand::setTime(double _timestamp) 13710428Sandreas.hansson@arm.com{ 13810428Sandreas.hansson@arm.com timestamp = _timestamp; 13910428Sandreas.hansson@arm.com} 14010428Sandreas.hansson@arm.com 14110428Sandreas.hansson@arm.comdouble MemCommand::getTime() const 14210428Sandreas.hansson@arm.com{ 14310428Sandreas.hansson@arm.com return timestamp; 14410428Sandreas.hansson@arm.com} 14510428Sandreas.hansson@arm.com 14610428Sandreas.hansson@arm.comint64_t MemCommand::getTimeInt64() const 14710428Sandreas.hansson@arm.com{ 14810428Sandreas.hansson@arm.com return static_cast<int64_t>(timestamp); 14910428Sandreas.hansson@arm.com} 15010428Sandreas.hansson@arm.com 15110428Sandreas.hansson@arm.comMemCommand::cmds MemCommand::typeWithoutAutoPrechargeFlag() const 15210428Sandreas.hansson@arm.com{ 15310428Sandreas.hansson@arm.com if (type == MemCommand::RDA) { 15410428Sandreas.hansson@arm.com return MemCommand::RD; 15510428Sandreas.hansson@arm.com } else if (type == MemCommand::WRA) { 15610428Sandreas.hansson@arm.com return MemCommand::WR; 15710428Sandreas.hansson@arm.com } 15810428Sandreas.hansson@arm.com return type; 15910428Sandreas.hansson@arm.com} 160