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#include "newdialog.h"
#include "mainwindow.h"
#include "qtmipsexception.h"
NewDialog::NewDialog(QWidget *parent, QSettings *settings) : QDialog(parent) {
setWindowTitle("New machine");
this->settings = settings;
config = nullptr;
ui = new Ui::NewDialog();
ui->setupUi(this);
ui_cache_p = new Ui::NewDialogCache();
ui_cache_p->setupUi(ui->tab_cache_program);
ui_cache_p->writeback_policy->hide();
ui_cache_p->label_writeback->hide();
ui_cache_d = new Ui::NewDialogCache();
ui_cache_d->setupUi(ui->tab_cache_data);
connect(ui->pushButton_load, SIGNAL(clicked(bool)), this, SLOT(create()));
connect(ui->pushButton_cancel, SIGNAL(clicked(bool)), this, SLOT(cancel()));
connect(ui->pushButton_browse, SIGNAL(clicked(bool)), this, SLOT(browse_elf()));
connect(ui->preset_no_pipeline, SIGNAL(toggled(bool)), this, SLOT(set_preset()));
connect(ui->preset_no_pipeline_cache, SIGNAL(toggled(bool)), this, SLOT(set_preset()));
connect(ui->preset_pipelined_bare, SIGNAL(toggled(bool)), this, SLOT(set_preset()));
connect(ui->preset_pipelined, SIGNAL(toggled(bool)), this, SLOT(set_preset()));
connect(ui->pipelined, SIGNAL(clicked(bool)), this, SLOT(pipelined_change(bool)));
connect(ui->delay_slot, SIGNAL(clicked(bool)), this, SLOT(delay_slot_change(bool)));
connect(ui->hazard_unit, SIGNAL(clicked(bool)), this, SLOT(hazard_unit_change()));
connect(ui->hazard_stall, SIGNAL(clicked(bool)), this, SLOT(hazard_unit_change()));
connect(ui->hazard_stall_forward, SIGNAL(clicked(bool)), this, SLOT(hazard_unit_change()));
connect(ui->mem_protec_exec, SIGNAL(clicked(bool)), this, SLOT(mem_protec_exec_change(bool)));
connect(ui->mem_protec_write, SIGNAL(clicked(bool)), this, SLOT(mem_protec_write_change(bool)));
cache_handler_d = new NewDialogCacheHandler(this, ui_cache_d);
cache_handler_p = new NewDialogCacheHandler(this, ui_cache_p);
// TODO remove this block when protections are implemented
ui->mem_protec_exec->setVisible(false);
ui->mem_protec_write->setVisible(false);
load_settings(); // Also configures gui
}
NewDialog::~NewDialog() {
delete ui_cache_d;
delete ui_cache_p;
delete ui;
// Settings is freed by parent
delete config;
}
void NewDialog::switch2custom() {
ui->preset_custom->setChecked(true);
config_gui();
}
void NewDialog::closeEvent(QCloseEvent *) {
load_settings(); // Reset from settings
// Close main window if not already configured
MainWindow *prnt = (MainWindow*)parent();
if (!prnt->configured())
prnt->close();
}
void NewDialog::cancel() {
this->close();
}
void NewDialog::create() {
MainWindow *prnt = (MainWindow*)parent();
try {
prnt->create_core(*config);
} catch (const machine::QtMipsExceptionInput &e) {
QMessageBox msg(this);
msg.setText(e.msg(false));
msg.setIcon(QMessageBox::Critical);
msg.setToolTip("Please check that ELF executable really exists and is in correct format.");
msg.setDetailedText(e.msg(true));
msg.setWindowTitle("Error while initializing new machine");
msg.exec();
return;
}
store_settings(); // Save to settings
this->close();
}
void NewDialog::browse_elf() {
QFileDialog elf_dialog(this);
elf_dialog.setFileMode(QFileDialog::ExistingFile);
if (elf_dialog.exec()) {
QString path = elf_dialog.selectedFiles()[0];
ui->elf_file->setText(path);
config->set_elf(path);
}
// Elf shouldn't have any other effect so we skip config_gui here
}
void NewDialog::set_preset() {
unsigned pres_n = preset_number();
if (pres_n > 0) {
config->preset((enum machine::ConfigPresets)(pres_n - 1));
config_gui();
}
}
void NewDialog::pipelined_change(bool val) {
config->set_pipelined(val);
switch2custom();
}
void NewDialog::delay_slot_change(bool val) {
config->set_delay_slot(val);
switch2custom();
}
void NewDialog::hazard_unit_change() {
if (ui->hazard_unit->isChecked()) {
config->set_hazard_unit(ui->hazard_stall->isChecked() ? machine::MachineConfig::HU_STALL : machine::MachineConfig::HU_STALL_FORWARD);
} else {
config->set_hazard_unit(machine::MachineConfig::HU_NONE);
}
switch2custom();
}
void NewDialog::mem_protec_exec_change(bool v) {
config->set_memory_execute_protection(v);
switch2custom();
}
void NewDialog::mem_protec_write_change(bool v) {
config->set_memory_write_protection(v);
switch2custom();
}
void NewDialog::config_gui() {
// Basic
ui->elf_file->setText(config->elf());
// Core
ui->pipelined->setChecked(config->pipelined());
ui->delay_slot->setChecked(config->delay_slot());
ui->hazard_unit->setChecked(config->hazard_unit() != machine::MachineConfig::HU_NONE);
ui->hazard_stall->setChecked(config->hazard_unit() == machine::MachineConfig::HU_STALL);
ui->hazard_stall_forward->setChecked(config->hazard_unit() == machine::MachineConfig::HU_STALL_FORWARD);
// Memory
ui->mem_protec_exec->setChecked(config->memory_execute_protection());
ui->mem_protec_write->setChecked(config->memory_write_protection());
ui->mem_time_read->setValue(config->memory_access_time_read());
ui->mem_time_write->setValue(config->memory_access_time_write());
// Cache
cache_handler_d->config_gui();
cache_handler_p->config_gui();
// Disable various sections according to configuration
ui->delay_slot->setEnabled(!config->pipelined());
ui->hazard_unit->setEnabled(config->pipelined());
}
unsigned NewDialog::preset_number() {
enum machine::ConfigPresets preset;
if (ui->preset_no_pipeline->isChecked())
preset = machine::CP_SINGLE;
else if (ui->preset_no_pipeline_cache->isChecked())
preset = machine::CP_SINGLE_CACHE;
else if (ui->preset_pipelined_bare->isChecked())
preset = machine::CP_PIPE_NO_HAZARD;
else if (ui->preset_pipelined->isChecked())
preset = machine::CP_PIPE;
else
return 0;
return (unsigned)preset + 1;
}
void NewDialog::load_settings() {
if (config != nullptr)
delete config;
// Load config
config = new machine::MachineConfig(settings);
cache_handler_d->set_config(config->access_cache_data());
cache_handler_p->set_config(config->access_cache_program());
// Load preset
unsigned preset = settings->value("Preset", 1).toUInt();
if (preset != 0) {
auto p = (enum machine::ConfigPresets)(preset - 1);
config->preset(p);
switch (p) {
case machine::CP_SINGLE:
ui->preset_no_pipeline->setChecked(true);
break;
case machine::CP_SINGLE_CACHE:
ui->preset_no_pipeline_cache->setChecked(true);
break;
case machine::CP_PIPE_NO_HAZARD:
ui->preset_pipelined_bare->setChecked(true);
break;
case machine::CP_PIPE:
ui->preset_pipelined->setChecked(true);
break;
}
} else {
ui->preset_custom->setChecked(true);
}
config_gui();
}
void NewDialog::store_settings() {
config->store(settings);
// Presets are not stored in settings so we have to store them explicitly
if (ui->preset_custom->isChecked()) {
settings->setValue("Preset", 0);
} else {
settings->setValue("Preset", preset_number());
}
}
NewDialogCacheHandler::NewDialogCacheHandler(NewDialog *nd, Ui::NewDialogCache *cui) {
this->nd = nd;
this->ui = cui;
this->config = nullptr;
connect(ui->enabled, SIGNAL(clicked(bool)), this, SLOT(enabled(bool)));
connect(ui->number_of_sets, SIGNAL(editingFinished()), this, SLOT(numsets()));
connect(ui->block_size, SIGNAL(editingFinished()), this, SLOT(blocksize()));
connect(ui->degree_of_associativity, SIGNAL(editingFinished()), this, SLOT(degreeassociativity()));
connect(ui->replacement_policy, SIGNAL(activated(int)), this, SLOT(replacement(int)));
connect(ui->writeback_policy, SIGNAL(activated(int)), this, SLOT(writeback(int)));
}
void NewDialogCacheHandler::set_config(machine::MachineConfigCache *config) {
this->config = config;
}
void NewDialogCacheHandler::config_gui() {
ui->enabled->setChecked(config->enabled());
ui->number_of_sets->setValue(config->sets());
ui->block_size->setValue(config->blocks());
ui->degree_of_associativity->setValue(config->associativity());
ui->replacement_policy->setCurrentIndex((int)config->replacement_policy());
ui->writeback_policy->setCurrentIndex((int)config->write_policy());
}
void NewDialogCacheHandler::enabled(bool val) {
config->set_enabled(val);
nd->switch2custom();
}
void NewDialogCacheHandler::numsets() {
config->set_sets(ui->number_of_sets->value());
nd->switch2custom();
}
void NewDialogCacheHandler::blocksize() {
config->set_blocks(ui->block_size->value());
nd->switch2custom();
}
void NewDialogCacheHandler::degreeassociativity() {
config->set_associativity(ui->degree_of_associativity->value());
nd->switch2custom();
}
void NewDialogCacheHandler::replacement(int val) {
config->set_replacement_policy((enum machine::MachineConfigCache::ReplacementPolicy)val);
nd->switch2custom();
}
void NewDialogCacheHandler::writeback(int val) {
config->set_write_policy((enum machine::MachineConfigCache::WritePolicy)val);
nd->switch2custom();
}
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