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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 <QWidget>
#include <QPushButton>
#include <QVBoxLayout>
#include <QTableView>
#include <QComboBox>
#include <QHeaderView>
#include <QMessageBox>
#include "programdock.h"
#include "programmodel.h"
#include "programtableview.h"
#include "hexlineedit.h"
ProgramDock::ProgramDock(QWidget *parent, QSettings *settings) : Super(parent) {
setObjectName("Program");
setWindowTitle("Program");
this->settings = settings;
follow_source = (enum FollowSource)
settings->value("ProgramViewFollowSource", FOLLOWSRC_FETCH).toInt();
for (int i = 0; i < FOLLOWSRC_COUNT; i++)
follow_addr[i] = 0;
QWidget *content = new QWidget();
QComboBox *follow_inst = new QComboBox();
follow_inst->addItem("Follow none");
follow_inst->addItem("Follow fetch");
follow_inst->addItem("Follow decode");
follow_inst->addItem("Follow execute");
follow_inst->addItem("Follow memory");
follow_inst->addItem("Follow writeback");
follow_inst->setCurrentIndex((int)follow_source);
QTableView *program_content = new ProgramTableView(0, settings);
// program_content->setSizePolicy();
ProgramModel *program_model = new ProgramModel(0);
program_content->setModel(program_model);
program_content->verticalHeader()->hide();
//program_content->setHorizontalHeader(program_model->);
QLineEdit *go_edit = new HexLineEdit(0, 8, 16, "0x");
QVBoxLayout *layout = new QVBoxLayout;
layout->addWidget(follow_inst);
layout->addWidget(program_content);
layout->addWidget(go_edit);
content->setLayout(layout);
setWidget(content);
connect(this, &ProgramDock::machine_setup, program_model, &ProgramModel::setup);
connect(go_edit, SIGNAL(value_edit_finished(std::uint32_t)),
program_content, SLOT(go_to_address(std::uint32_t)));
connect(program_content, SIGNAL(address_changed(std::uint32_t)),
go_edit, SLOT(set_value(std::uint32_t)));
connect(this, SIGNAL(jump_to_pc(std::uint32_t)),
program_content, SLOT(go_to_address(std::uint32_t)));
connect(follow_inst, SIGNAL(currentIndexChanged(int)),
this, SLOT(set_follow_inst(int)));
connect(this, SIGNAL(focus_addr(std::uint32_t)),
program_content, SLOT(focus_address(std::uint32_t)));
connect(this, SIGNAL(focus_addr_with_save(std::uint32_t)),
program_content, SLOT(focus_address_with_save(std::uint32_t)));
connect(program_content, SIGNAL(doubleClicked(QModelIndex)),
program_model, SLOT(toggle_hw_break(QModelIndex)));
connect(this, SIGNAL(stage_addr_changed(uint,std::uint32_t)),
program_model, SLOT(update_stage_addr(uint,std::uint32_t)));
connect(program_model, SIGNAL(report_error(QString)), this, SLOT(report_error(QString)));
connect(this, SIGNAL(request_update_all()), program_model, SLOT(update_all()));
}
void ProgramDock::setup(machine::QtMipsMachine *machine) {
std::uint32_t pc;
emit machine_setup(machine);
if (machine == nullptr)
return;
pc = machine->registers()->read_pc();
for (int i = 0; i < FOLLOWSRC_COUNT; i++)
follow_addr[i] = pc;
update_follow_position();
}
void ProgramDock::set_follow_inst(int follow) {
follow_source = (enum FollowSource)follow;
settings->setValue("ProgramViewFollowSource", (int)follow_source);
update_follow_position();
}
void ProgramDock::fetch_inst_addr(std::uint32_t addr) {
if (addr != machine::STAGEADDR_NONE)
follow_addr[FOLLOWSRC_FETCH] = addr;
emit stage_addr_changed(ProgramModel::STAGEADDR_FETCH, addr);
if (follow_source == FOLLOWSRC_FETCH)
update_follow_position();
}
void ProgramDock::decode_inst_addr(std::uint32_t addr) {
if (addr != machine::STAGEADDR_NONE)
follow_addr[FOLLOWSRC_DECODE] = addr;
emit stage_addr_changed(ProgramModel::STAGEADDR_DECODE, addr);
if (follow_source == FOLLOWSRC_DECODE)
update_follow_position();
}
void ProgramDock::execute_inst_addr(std::uint32_t addr) {
if (addr != machine::STAGEADDR_NONE)
follow_addr[FOLLOWSRC_EXECUTE] = addr;
emit stage_addr_changed(ProgramModel::STAGEADDR_EXECUTE, addr);
if (follow_source == FOLLOWSRC_EXECUTE)
update_follow_position();
}
void ProgramDock::memory_inst_addr(std::uint32_t addr) {
if (addr != machine::STAGEADDR_NONE)
follow_addr[FOLLOWSRC_MEMORY] = addr;
emit stage_addr_changed(ProgramModel::STAGEADDR_MEMORY, addr);
if (follow_source == FOLLOWSRC_MEMORY)
update_follow_position();
}
void ProgramDock::writeback_inst_addr(std::uint32_t addr) {
if (addr != machine::STAGEADDR_NONE)
follow_addr[FOLLOWSRC_WRITEBACK] = addr;
emit stage_addr_changed(ProgramModel::STAGEADDR_WRITEBACK, addr);
if (follow_source == FOLLOWSRC_WRITEBACK)
update_follow_position();
}
void ProgramDock::update_follow_position() {
if (follow_source != FOLLOWSRC_NONE)
emit focus_addr(follow_addr[follow_source]);
}
void ProgramDock::report_error(QString error) {
QMessageBox::critical(this, "QtMips Error", error);
}
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