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/*
* Copyright (c) 2012-2014, TU Delft
* Copyright (c) 2012-2014, TU Eindhoven
* Copyright (c) 2012-2014, TU Kaiserslautern
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <cstdio>
#include <algorithm> // std::count
#include <string>
#include "CommandAnalysis.h"
using std::cerr;
using std::endl;
using std::string;
using namespace Data;
// To get the time of completion of the issued command
// Derived based on JEDEC specifications
int64_t CommandAnalysis::timeToCompletion(MemCommand::cmds type)
{
int64_t offset = 0;
const MemTimingSpec& memTimingSpec = memSpec.memTimingSpec;
const MemArchitectureSpec& memArchSpec = memSpec.memArchSpec;
if (type == MemCommand::RD) {
offset = memTimingSpec.RL +
memTimingSpec.DQSCK + 1 + (memArchSpec.burstLength /
memArchSpec.dataRate);
} else if (type == MemCommand::WR) {
offset = memTimingSpec.WL +
(memArchSpec.burstLength / memArchSpec.dataRate) +
memTimingSpec.WR;
} else if (type == MemCommand::ACT) {
offset = memTimingSpec.RCD;
} else if ((type == MemCommand::PRE) || (type == MemCommand::PREA)) {
offset = memTimingSpec.RP;
}
return offset;
} // CommandAnalysis::timeToCompletion
// Returns the number of active banks based on the bank_state vector.
unsigned CommandAnalysis::get_num_active_banks(void)
{
return (unsigned)std::count(bank_state.begin(), bank_state.end(), BANK_ACTIVE);
}
// Naming-standard compliant wrapper
unsigned CommandAnalysis::nActiveBanks(void)
{
return CommandAnalysis::get_num_active_banks();
}
bool CommandAnalysis::isPrecharged(unsigned bank)
{
return bank_state[bank] == BANK_PRECHARGED;
}
void CommandAnalysis::printWarningIfActive(const string& warning, int type, int64_t timestamp, unsigned bank)
{
if (get_num_active_banks() != 0) {
printWarning(warning, type, timestamp, bank);
}
}
void CommandAnalysis::printWarningIfNotActive(const string& warning, int type, int64_t timestamp, unsigned bank)
{
if (get_num_active_banks() == 0) {
printWarning(warning, type, timestamp, bank);
}
}
void CommandAnalysis::printWarningIfPoweredDown(const string& warning, int type, int64_t timestamp, unsigned bank)
{
if (mem_state != 0) {
printWarning(warning, type, timestamp, bank);
}
}
void CommandAnalysis::printWarning(const string& warning, int type, int64_t timestamp, unsigned bank)
{
cerr << "WARNING: " << warning << endl;
cerr << "Command: " << type << ", Timestamp: " << timestamp <<
", Bank: " << bank << endl;
}
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