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.com 4810428Sandreas.hansson@arm.comMemCommand::MemCommand(MemCommand::cmds type, 4911555Sjungma@eit.uni-kl.de unsigned bank, int64_t timestamp) : 5010428Sandreas.hansson@arm.com type(type), 5110428Sandreas.hansson@arm.com bank(bank), 5210428Sandreas.hansson@arm.com timestamp(timestamp) 5310428Sandreas.hansson@arm.com{ 5410428Sandreas.hansson@arm.com} 5510428Sandreas.hansson@arm.com 5610428Sandreas.hansson@arm.comvoid MemCommand::setType(MemCommand::cmds _type) 5710428Sandreas.hansson@arm.com{ 5810428Sandreas.hansson@arm.com type = _type; 5910428Sandreas.hansson@arm.com} 6010428Sandreas.hansson@arm.com 6110428Sandreas.hansson@arm.comMemCommand::cmds MemCommand::getType() const 6210428Sandreas.hansson@arm.com{ 6310428Sandreas.hansson@arm.com return type; 6410428Sandreas.hansson@arm.com} 6510428Sandreas.hansson@arm.com 6610428Sandreas.hansson@arm.comvoid MemCommand::setBank(unsigned _bank) 6710428Sandreas.hansson@arm.com{ 6810428Sandreas.hansson@arm.com bank = _bank; 6910428Sandreas.hansson@arm.com} 7010428Sandreas.hansson@arm.com 7110428Sandreas.hansson@arm.comunsigned MemCommand::getBank() const 7210428Sandreas.hansson@arm.com{ 7310428Sandreas.hansson@arm.com return bank; 7410428Sandreas.hansson@arm.com} 7510428Sandreas.hansson@arm.com 7610428Sandreas.hansson@arm.com// For auto-precharge with read or write - to calculate cycle of precharge 7711555Sjungma@eit.uni-kl.deint64_t MemCommand::getPrechargeOffset(const MemorySpecification& memSpec, 7810428Sandreas.hansson@arm.com MemCommand::cmds type) const 7910428Sandreas.hansson@arm.com{ 8011555Sjungma@eit.uni-kl.de int64_t precharge_offset = 0; 8110428Sandreas.hansson@arm.com 8211555Sjungma@eit.uni-kl.de int64_t BL = memSpec.memArchSpec.burstLength; 8311555Sjungma@eit.uni-kl.de int64_t RTP = memSpec.memTimingSpec.RTP; 8411555Sjungma@eit.uni-kl.de int64_t dataRate = memSpec.memArchSpec.dataRate; 8511555Sjungma@eit.uni-kl.de int64_t AL = memSpec.memTimingSpec.AL; 8611555Sjungma@eit.uni-kl.de int64_t WL = memSpec.memTimingSpec.WL; 8711555Sjungma@eit.uni-kl.de int64_t WR = memSpec.memTimingSpec.WR; 8811555Sjungma@eit.uni-kl.de int64_t B = BL/dataRate; 8910428Sandreas.hansson@arm.com 9010428Sandreas.hansson@arm.com const MemoryType::MemoryType_t& memType = memSpec.memoryType; 9110428Sandreas.hansson@arm.com 9210428Sandreas.hansson@arm.com // Read with auto-precharge 9310428Sandreas.hansson@arm.com if (type == MemCommand::RDA) { 9410428Sandreas.hansson@arm.com if (memType == MemoryType::DDR2) { 9511555Sjungma@eit.uni-kl.de precharge_offset = B + AL - 2 + max(RTP, int64_t(2)); 9610428Sandreas.hansson@arm.com } else if (memType == MemoryType::DDR3) { 9711555Sjungma@eit.uni-kl.de precharge_offset = AL + max(RTP, int64_t(4)); 9810428Sandreas.hansson@arm.com } else if (memType == MemoryType::DDR4) { 9910428Sandreas.hansson@arm.com precharge_offset = AL + RTP; 10010428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR) { 10110428Sandreas.hansson@arm.com precharge_offset = B; 10210428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR2) { 10311555Sjungma@eit.uni-kl.de precharge_offset = B + max(int64_t(0), RTP - 2); 10410428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR3) { 10511555Sjungma@eit.uni-kl.de precharge_offset = B + max(int64_t(0), RTP - 4); 10610428Sandreas.hansson@arm.com } else if (memType == MemoryType::WIDEIO_SDR) { 10710428Sandreas.hansson@arm.com precharge_offset = B; 10810428Sandreas.hansson@arm.com } 10910428Sandreas.hansson@arm.com } else if (type == MemCommand::WRA) { // Write with auto-precharge 11010428Sandreas.hansson@arm.com if (memType == MemoryType::DDR2) { 11110428Sandreas.hansson@arm.com precharge_offset = B + WL + WR; 11210428Sandreas.hansson@arm.com } else if (memType == MemoryType::DDR3) { 11310428Sandreas.hansson@arm.com precharge_offset = B + WL + WR; 11410428Sandreas.hansson@arm.com } else if (memType == MemoryType::DDR4) { 11510428Sandreas.hansson@arm.com precharge_offset = B + WL + WR; 11610428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR) { 11710428Sandreas.hansson@arm.com precharge_offset = B + WR; // + DQSS actually, but we don't have that parameter. 11810428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR2) { 11910428Sandreas.hansson@arm.com precharge_offset = B + WL + WR + 1; 12010428Sandreas.hansson@arm.com } else if (memType == MemoryType::LPDDR3) { 12110428Sandreas.hansson@arm.com precharge_offset = B + WL + WR + 1; 12210428Sandreas.hansson@arm.com } else if (memType == MemoryType::WIDEIO_SDR) { 12310428Sandreas.hansson@arm.com precharge_offset = B + WL + WR - 1; 12410428Sandreas.hansson@arm.com } 12510428Sandreas.hansson@arm.com } 12610428Sandreas.hansson@arm.com 12710428Sandreas.hansson@arm.com return precharge_offset; 12810428Sandreas.hansson@arm.com} // MemCommand::getPrechargeOffset 12910428Sandreas.hansson@arm.com 13011555Sjungma@eit.uni-kl.devoid MemCommand::setTime(int64_t _timestamp) 13110428Sandreas.hansson@arm.com{ 13210428Sandreas.hansson@arm.com timestamp = _timestamp; 13310428Sandreas.hansson@arm.com} 13410428Sandreas.hansson@arm.com 13511555Sjungma@eit.uni-kl.deint64_t MemCommand::getTimeInt64() const 13610428Sandreas.hansson@arm.com{ 13710428Sandreas.hansson@arm.com return timestamp; 13810428Sandreas.hansson@arm.com} 13910428Sandreas.hansson@arm.com 14010428Sandreas.hansson@arm.comMemCommand::cmds MemCommand::typeWithoutAutoPrechargeFlag() const 14110428Sandreas.hansson@arm.com{ 14210428Sandreas.hansson@arm.com if (type == MemCommand::RDA) { 14310428Sandreas.hansson@arm.com return MemCommand::RD; 14410428Sandreas.hansson@arm.com } else if (type == MemCommand::WRA) { 14510428Sandreas.hansson@arm.com return MemCommand::WR; 14610428Sandreas.hansson@arm.com } 14710428Sandreas.hansson@arm.com return type; 14810428Sandreas.hansson@arm.com} 149