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// SPDX-License-Identifier: GPL-2.0+
/*******************************************************************************
* QtMips - MIPS 32-bit Architecture Subset Simulator
*
* Implemented to support following courses:
*
* B35APO - Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b35apo
*
* B4M35PAP - Advanced Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
*
* Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
* Copyright (c) 2019 Pavel Pisa <pisa@cmp.felk.cvut.cz>
*
* Faculty of Electrical Engineering (http://www.fel.cvut.cz)
* Czech Technical University (http://www.cvut.cz/)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
******************************************************************************/
#include "cachedock.h"
CacheDock::CacheDock(QWidget *parent, const QString &type) : QDockWidget(parent) {
top_widget = new QWidget(this);
setWidget(top_widget);
layout_box = new QVBoxLayout(top_widget);
top_form = new QWidget(top_widget);
top_form->setVisible(false);
layout_box->addWidget(top_form);
layout_top_form = new QFormLayout(top_form);
l_hit = new QLabel("0", top_form);
layout_top_form->addRow("Hit:", l_hit);
l_miss = new QLabel("0", top_form);
layout_top_form->addRow("Miss:", l_miss);
l_m_reads = new QLabel("0", top_form);
layout_top_form->addRow("Memory reads:", l_m_reads);
l_m_writes = new QLabel("0", top_form);
layout_top_form->addRow("Memory writes:", l_m_writes);
l_stalled = new QLabel("0", top_form);
layout_top_form->addRow("Memory stall cycles:", l_stalled);
l_hit_rate = new QLabel("0.000%", top_form);
layout_top_form->addRow("Hit rate:", l_hit_rate);
l_speed = new QLabel("100%", top_form);
layout_top_form->addRow("Improved speed:", l_speed);
graphicsview = new GraphicsView(top_widget);
graphicsview->setVisible(false);
layout_box->addWidget(graphicsview);
cachescene = nullptr;
no_cache = new QLabel("No " + type + " Cache configured", top_widget);
layout_box->addWidget(no_cache);
setObjectName(type + "Cache");
setWindowTitle(type + " Cache");
}
void CacheDock::setup(const machine::Cache *cache) {
l_hit->setText("0");
l_miss->setText("0");
l_stalled->setText("0");
l_m_reads->setText("0");
l_m_writes->setText("0");
l_hit_rate->setText("0.000%");
l_speed->setText("100%");
if (cache != nullptr) {
connect(cache, SIGNAL(hit_update(uint)), this, SLOT(hit_update(uint)));
connect(cache, SIGNAL(miss_update(uint)), this, SLOT(miss_update(uint)));
connect(cache, SIGNAL(memory_reads_update(uint)), this, SLOT(memory_reads_update(uint)));
connect(cache, SIGNAL(memory_writes_update(uint)), this, SLOT(memory_writes_update(uint)));
connect(cache, SIGNAL(statistics_update(uint,double,double)), this, SLOT(statistics_update(uint,double,double)));
}
top_form->setVisible(cache != nullptr);
no_cache->setVisible(!cache->config().enabled());
if (cachescene)
delete cachescene;
cachescene = new CacheViewScene(cache);
graphicsview->setScene(cachescene);
graphicsview->setVisible(cache->config().enabled());
}
void CacheDock::hit_update(unsigned val) {
l_hit->setText(QString::number(val));
}
void CacheDock::miss_update(unsigned val) {
l_miss->setText(QString::number(val));
}
void CacheDock::memory_reads_update(unsigned val) {
l_m_reads->setText(QString::number(val));
}
void CacheDock::memory_writes_update(unsigned val) {
l_m_writes->setText(QString::number(val));
}
void CacheDock::statistics_update(unsigned stalled_cycles, double speed_improv, double hit_rate) {
l_stalled->setText(QString::number(stalled_cycles));
l_hit_rate->setText(QString::number(hit_rate, 'f', 3) + QString("%"));
l_speed->setText(QString::number(speed_improv, 'f', 0) + QString("%"));
}
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