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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.
*
******************************************************************************/
#ifndef COREVIEW_MEMORY_H
#define COREVIEW_MEMORY_H
#include <QGraphicsObject>
#include <QPainter>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsSimpleTextItem>
#include <qtmipsmachine.h>
#include "connection.h"
namespace coreview {
class Memory : public QGraphicsObject {
Q_OBJECT
public:
Memory(bool cache_used, const machine::Cache *cache);
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
signals:
void open_mem();
void open_cache();
private slots:
void cache_hit_update(unsigned);
void cache_miss_update(unsigned);
protected:
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
void set_type(const QString&);
bool cache;
private:
QGraphicsSimpleTextItem name, type;
QGraphicsSimpleTextItem cache_t, cache_hit_t, cache_miss_t;
};
class ProgramMemory : public Memory {
Q_OBJECT
public:
ProgramMemory(machine::QtMipsMachine *machine);
~ProgramMemory();
void setPos(qreal x, qreal y);
const Connector *connector_address() const;
const Connector *connector_instruction() const;
private:
Connector *con_address, *con_inst;
};
class DataMemory : public Memory {
Q_OBJECT
public:
DataMemory(machine::QtMipsMachine *machine);
~DataMemory();
void setPos(qreal x, qreal y);
const Connector *connector_address() const;
const Connector *connector_data_out() const;
const Connector *connector_data_in() const;
const Connector *connector_req_write() const;
const Connector *connector_req_read() const;
private:
Connector *con_address, *con_data_out, *con_data_in, *con_req_write, *con_req_read;
};
}
#endif // MEMORY_H
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