Dock to view coprocessor 0 and cop0 counter/comparator support.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

6 files changed, 185 insertions, 2 deletions

diff --git a/qtmips_gui/MainWindow.ui b/qtmips_gui/MainWindow.ui
index 1b9bfbd..4847304 100644
--- a/qtmips_gui/MainWindow.ui
+++ b/qtmips_gui/MainWindow.ui
@@ -70,6 +70,7 @@
     <addaction name="actionData_Cache"/>
     <addaction name="actionPeripherals"/>
     <addaction name="actionTerminal"/>
+    <addaction name="actionCop0State"/>
    </widget>
    <widget class="QMenu" name="menuMachine">
     <property name="title">
@@ -295,6 +296,14 @@
     <string>Ctrl+D</string>
    </property>
   </action>
+  <action name="actionCop0State">
+   <property name="text">
+    <string>Cop0 State</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+C</string>
+   </property>
+  </action>
   <action name="actionReload">
    <property name="icon">
     <iconset resource="icons.qrc">
diff --git a/qtmips_gui/cop0dock.cpp b/qtmips_gui/cop0dock.cpp
new file mode 100644
index 0000000..1070444
--- /dev/null
+++ b/qtmips_gui/cop0dock.cpp
@@ -0,0 +1,96 @@
+// 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 "cop0dock.h"
+
+
+Cop0Dock::Cop0Dock(QWidget *parent) : QDockWidget(parent) {
+    scrollarea = new QScrollArea(this);
+    scrollarea->setWidgetResizable(true);
+    widg = new StaticTable(scrollarea);
+
+#define INIT(X, LABEL) do{ \
+        X = new QLabel("0x00000000", widg); \
+        X->setFixedSize(X->sizeHint()); \
+        X->setText(""); \
+        X->setTextInteractionFlags(Qt::TextSelectableByMouse); \
+        widg->addRow({new QLabel(LABEL, widg), X}); \
+    } while(false)
+
+    cop0reg[0] = nullptr;
+    for (int i = 1; i < machine::Cop0State::COP0REGS_CNT; i++)
+        INIT(cop0reg[i], machine::Cop0State::cop0reg_name((machine::Cop0State::Cop0Registers)i));
+#undef INIT
+    scrollarea->setWidget(widg);
+
+    setWidget(scrollarea);
+    setObjectName("Coprocessor0");
+    setWindowTitle("Coprocessor0");
+}
+
+Cop0Dock::~Cop0Dock() {
+    for (int i = 1; i < machine::Cop0State::COP0REGS_CNT; i++)
+        delete cop0reg[i];
+    delete widg;
+    delete scrollarea;
+}
+
+void Cop0Dock::setup(machine::QtMipsMachine *machine) {
+    if (machine == nullptr) {
+        // Reset data
+        for (int i = 1; i < machine::Cop0State::COP0REGS_CNT; i++)
+            cop0reg[i]->setText("");
+        return;
+    }
+
+    const machine::Cop0State *cop0state = machine->cop0state();
+    connect(cop0state, &machine::Cop0State::cop0reg_update,
+            this, &Cop0Dock::cop0reg_changed);
+
+    for (int i = 1; i < machine::Cop0State::COP0REGS_CNT; i++)
+        labelVal(cop0reg[i], cop0state->read_cop0reg((machine::Cop0State::Cop0Registers)i));
+}
+
+void Cop0Dock::cop0reg_changed(enum machine::Cop0State::Cop0Registers reg, std::uint32_t val) {
+    SANITY_ASSERT((uint)reg < machine::Cop0State::COP0REGS_CNT && (uint)reg,
+                  QString("Cop0Dock received signal with invalid cop0 register: ") +
+                  QString::number((uint)reg));
+    labelVal(cop0reg[(uint)reg], val);
+}
+
+void Cop0Dock::labelVal(QLabel *label, std::uint32_t value) {
+    QString t = QString("0x") + QString::number(value, 16);
+    label->setText(t);
+}
diff --git a/qtmips_gui/cop0dock.h b/qtmips_gui/cop0dock.h
new file mode 100644
index 0000000..5dfa058
--- /dev/null
+++ b/qtmips_gui/cop0dock.h
@@ -0,0 +1,67 @@
+// 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 COP0DOCK_H
+#define COP0DOCK_H
+
+#include <QDockWidget>
+#include <QLabel>
+#include <QFormLayout>
+#include <QScrollArea>
+#include <QPropertyAnimation>
+#include "qtmipsmachine.h"
+#include "statictable.h"
+
+class Cop0Dock : public QDockWidget {
+    Q_OBJECT
+public:
+    Cop0Dock(QWidget *parent);
+    ~Cop0Dock();
+
+    void setup(machine::QtMipsMachine *machine);
+
+private slots:
+    void cop0reg_changed(enum machine::Cop0State::Cop0Registers reg, std::uint32_t val);
+
+private:
+    StaticTable *widg;
+    QScrollArea *scrollarea;
+
+    QLabel *cop0reg[machine::Cop0State::COP0REGS_CNT];
+
+    void labelVal(QLabel *label, std::uint32_t val);
+};
+
+#endif // COP0DOCK_H
diff --git a/qtmips_gui/mainwindow.cpp b/qtmips_gui/mainwindow.cpp
index 01321cf..3cefe94 100644
--- a/qtmips_gui/mainwindow.cpp
+++ b/qtmips_gui/mainwindow.cpp
@@ -67,6 +67,8 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) {
     peripherals->hide();
     terminal = new TerminalDock(this, settings);
     terminal->hide();
+    cop0dock = new Cop0Dock(this);
+    cop0dock->hide();
 
     // Execution speed actions
     speed_group = new QActionGroup(this);
@@ -90,6 +92,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) {
     connect(ui->actionData_Cache, SIGNAL(triggered(bool)), this, SLOT(show_cache_data()));
     connect(ui->actionPeripherals, SIGNAL(triggered(bool)), this, SLOT(show_peripherals()));
     connect(ui->actionTerminal, SIGNAL(triggered(bool)), this, SLOT(show_terminal()));
+    connect(ui->actionCop0State, SIGNAL(triggered(bool)), this, SLOT(show_cop0dock()));
     connect(ui->actionAbout, SIGNAL(triggered(bool)), this, SLOT(about_qtmips()));
     connect(ui->actionAboutQt, SIGNAL(triggered(bool)), this, SLOT(about_qt()));
     connect(ui->ips1, SIGNAL(toggled(bool)), this, SLOT(set_speed()));
@@ -187,6 +190,7 @@ void MainWindow::create_core(const machine::MachineConfig &config) {
     cache_data->setup(machine->cache_data());
     terminal->setup(machine->serial_port());
     peripherals->setup(machine->peripheral_spi_led());
+    cop0dock->setup(machine);
 
     // Connect signals for instruction address followup
     connect(machine->core(), SIGNAL(fetch_inst_addr_value(std::uint32_t)),
@@ -237,6 +241,7 @@ SHOW_HANDLER(cache_program)
 SHOW_HANDLER(cache_data)
 SHOW_HANDLER(peripherals)
 SHOW_HANDLER(terminal)
+SHOW_HANDLER(cop0dock)
 #undef SHOW_HANDLER
 
 void MainWindow::show_symbol_dialog(){
diff --git a/qtmips_gui/mainwindow.h b/qtmips_gui/mainwindow.h
index 796dd33..84c9d08 100644
--- a/qtmips_gui/mainwindow.h
+++ b/qtmips_gui/mainwindow.h
@@ -47,6 +47,7 @@
 #include "cachedock.h"
 #include "peripheralsdock.h"
 #include "terminaldock.h"
+#include "cop0dock.h"
 
 #include "qtmipsmachine.h"
 #include "machineconfig.h"
@@ -74,6 +75,7 @@ public slots:
     void show_cache_program();
     void show_peripherals();
     void show_terminal();
+    void show_cop0dock();
     void show_symbol_dialog();
     // Actions - help menu
     void about_qtmips();
@@ -102,6 +104,8 @@ private:
     CacheDock *cache_program, *cache_data;
     PeripheralsDock *peripherals;
     TerminalDock *terminal;
+    Cop0Dock *cop0dock;
+
 
     QActionGroup *speed_group;
 
diff --git a/qtmips_gui/qtmips_gui.pro b/qtmips_gui/qtmips_gui.pro
index acdbd55..e10631b 100644
--- a/qtmips_gui/qtmips_gui.pro
+++ b/qtmips_gui/qtmips_gui.pro
@@ -62,7 +62,8 @@ SOURCES += \
     peripheralsview.cpp \
     coreview/multitext.cpp \
     fontsize.cpp \
-    gotosymboldialog.cpp
+    gotosymboldialog.cpp \
+    cop0dock.cpp
 
 HEADERS += \
         mainwindow.h \
@@ -100,7 +101,8 @@ HEADERS += \
     peripheralsview.h \
     coreview/multitext.h \
     fontsize.h \
-    gotosymboldialog.h
+    gotosymboldialog.h \
+    cop0dock.h
 
 FORMS += \
         NewDialog.ui \