Add coreview progress

1 files changed, 108 insertions, 20 deletions

diff --git a/qtmips_gui/coreview.cpp b/qtmips_gui/coreview.cpp
index f5d86d9..e845184 100644
--- a/qtmips_gui/coreview.cpp
+++ b/qtmips_gui/coreview.cpp
@@ -1,9 +1,18 @@
 #include "coreview.h"
+#include <cmath>
+
+//////////////////////////////////////////////////////////////////////////////
+/// Size of visible view area
+#define SC_WIDTH 720
+#define SC_HEIGHT 540
+//////////////////////////////////////////////////////////////////////////////
 
 CoreView::CoreView(QWidget *parent) : QGraphicsView(parent) {
     setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
+}
 
-    setSceneRect(0, 0, scene_width, scene_height);
+void CoreView::setScene(QGraphicsScene *scene) {
+    QGraphicsView::setScene(scene);
     update_scale();
 }
 
@@ -13,9 +22,12 @@ void CoreView::resizeEvent(QResizeEvent *event) {
 }
 
 void CoreView::update_scale() {
+    if (scene() == nullptr)
+        return; // Skip if we have no scene
+
     // Note: there is somehow three pixels error when viewing so we have to always compensate
-    const int w = scene_width + 3;
-    const int h = scene_height + 3;
+    const int w = scene()->width() + 3;
+    const int h = scene()->height() + 3;
 
     qreal scale = 1;
     if (height() > h && width() > w) {
@@ -31,31 +43,107 @@ void CoreView::update_scale() {
 }
 
 CoreViewScene::CoreViewScene(CoreView *view, machine::QtMipsMachine *machine) : QGraphicsScene(view) {
-    this->machine = machine;
+    setSceneRect(0, 0, SC_WIDTH, SC_HEIGHT);
 
     // Identification cross (TODO remove)
     QPen pen;
     pen.setBrush(QBrush(QColor(220, 220, 220)));
-    addLine(400, 0, 400, 800, pen);
-    addLine(0, 400, 800, 400, pen);
-    addRect(0.5, 0.5, 799.5, 799.5, pen);
+    addLine(width()/2, 0, width()/2, height(), pen);
+    addLine(0, height()/2, width(), height()/2, pen);
+    addRect(0.5, 0.5, width() - 0.5, height() - 0.5, pen);
     // TODO remove
 
-    pc = new coreview::ProgramCounter(machine);
-    alu = new coreview::Alu();
-    pc_multiplexer = new coreview::Multiplexer(4);
-    testlatch = new coreview::Latch(machine, 300);
+#define NEW(TYPE, VAR, ...) do { \
+        VAR = new coreview::TYPE(__VA_ARGS__);\
+        addItem(VAR);\
+    } while(false)
+#define NEW_CON(VAR, ...) NEW(Connection, VAR, __VA_ARGS__)
 
-    pc2pc = new coreview::Connection(pc_multiplexer->connector_out(), pc->connector_in());
+    NEW(ProgramCounter, pc, machine);
+    NEW(Latch, pc_latch, machine, 20);
+    NEW(Adder, pc_adder);
+    NEW(Constant, pc_adder_4, pc_adder->connector_in_b(), "4");
+    NEW(Junction, pc_junction);
+    NEW(Alu, alu);
+    NEW(Memory, mem, machine);
+    NEW(Registers, regs);
+    NEW(Multiplexer, pc_multiplexer, 4);
+    NEW(Multiplexer, mem_or_reg, 2);
 
-    addItem(pc);
-    addItem(alu);
-    addItem(pc_multiplexer);
-    addItem(testlatch);
-    addItem(pc2pc);
+    struct coreview::Latch::ConnectorPair pc_latch_pair = pc_latch->new_connector(10);
+    NEW_CON(pc2pc_latch, pc->connector_out(), pc_latch_pair.in);
+    NEW_CON(pc_latch2pc_joint, pc_latch_pair.out, pc_junction->new_connector(0));
+    NEW_CON(pc_joint2pc_adder, pc_junction->new_connector(M_PI_2), pc_adder->connector_in_a());
+    NEW_CON(pc_joint2mem, pc_junction->new_connector(-M_PI_2), mem->connector_pc());
+    pc_joint2mem->setAxes({CON_AXIS_X(430)});
+    NEW_CON(pc_multiplexer2pc, pc_multiplexer->connector_out(), pc->connector_in());
+    pc_multiplexer2pc->setAxes({CON_AXIS_Y(90), CON_AXIS_X(80)});
 
-    pc->setPos(100,100);
-    alu->setPos(200, 100);
+    pc->setPos(2, 330);
+    pc_latch->setPos(50, 370);
+    pc_adder->setPos(100, 350);
+    pc_junction->setPos(80, pc_latch_pair.out->y());
+    alu->setPos(470, 230);
+    mem->setPos(20, 510);
+    regs->setPos(20, 0);
     pc_multiplexer->setPos(60, 100);
-    pc_multiplexer->set(2);
+    mem_or_reg->setPos(570, 180);
+
+    connect(regs, SIGNAL(open_registers()), this, SIGNAL(request_registers()));
+    connect(mem, SIGNAL(open_data_mem()), this, SIGNAL(request_data_memory()));
+    connect(mem, SIGNAL(open_program_mem()), this, SIGNAL(request_program_memory()));
+}
+
+CoreViewScene::~CoreViewScene() {
+    delete pc2pc_latch;
+    delete pc_latch2pc_joint;
+    delete pc_joint2pc_adder;
+    delete pc_joint2mem;
+    delete pc_multiplexer2pc;
+
+    delete pc;
+    delete pc_latch;
+    delete pc_adder;
+    delete pc_adder_4;
+    delete pc_junction;
+    delete alu;
+    delete pc_multiplexer;
+}
+
+CoreViewSceneSimple::CoreViewSceneSimple(CoreView *view, machine::QtMipsMachine *machine) : CoreViewScene(view, machine) {
+    delay_slot_latch = new coreview::Latch(machine, 150);
+
+    addItem(delay_slot_latch);
+
+    delay_slot_latch->setPos(160, 50);
+}
+
+CoreViewSceneSimple::~CoreViewSceneSimple() {
+
+}
+
+CoreViewScenePipelined::CoreViewScenePipelined(CoreView *view, machine::QtMipsMachine *machine) : CoreViewScene(view, machine) {
+    latch_if_id = new coreview::Latch(machine, 350);
+    latch_id_ex = new coreview::Latch(machine, 350);
+    latch_ex_mem = new coreview::Latch(machine, 350);
+    latch_mem_wb = new coreview::Latch(machine, 350);
+
+    latch_if_id->setTitle("IF/ID");
+    latch_id_ex->setTitle("ID/EX");
+    latch_ex_mem->setTitle("EX/MEM");
+    latch_mem_wb->setTitle("MEM/WB");
+
+    addItem(latch_if_id);
+    addItem(latch_id_ex);
+    addItem(latch_ex_mem);
+    addItem(latch_mem_wb);
+
+    latch_if_id->setPos(158, 90);
+    latch_id_ex->setPos(392, 90);
+    latch_ex_mem->setPos(536, 90);
+    latch_mem_wb->setPos(680, 90);
+}
+
+CoreViewScenePipelined::~CoreViewScenePipelined() {
+
 }