From cdc1f889a5d302c9ad83846e1b686523f26ed423 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Sun, 21 Jan 2018 20:46:16 +0100
Subject: Add instruction view to single core

---
 qtmips_gui/coreview.cpp | 26 ++++----------------------
 qtmips_gui/coreview.h   |  3 +--
 qtmips_machine/core.cpp |  2 ++
 qtmips_machine/core.h   |  1 +
 4 files changed, 8 insertions(+), 24 deletions(-)

diff --git a/qtmips_gui/coreview.cpp b/qtmips_gui/coreview.cpp
index e51345f..eb39a47 100644
--- a/qtmips_gui/coreview.cpp
+++ b/qtmips_gui/coreview.cpp
@@ -168,10 +168,11 @@ coreview::Signal *CoreViewScene::new_signal(const coreview::Connector *a, const
 }
 
 CoreViewSceneSimple::CoreViewSceneSimple(CoreView *view, machine::QtMipsMachine *machine) : CoreViewScene(view, machine) {
-    if (machine->config().delay_slot())
+    NEW_I(instr_prim, 230, 60, instruction_fetched(const machine::Instruction&));
+    if (machine->config().delay_slot()) {
         NEW(Latch, delay_slot_latch, 55, 470, machine, 25);
-    else
-        delay_slot_latch = nullptr;
+        NEW_I(instr_delay, 60, 500, instruction_program_counter(const machine::Instruction&));
+    }
 
     coreview::Connection *con;
     // Fetch stage
@@ -214,11 +215,6 @@ CoreViewSceneSimple::CoreViewSceneSimple(CoreView *view, machine::QtMipsMachine
     }
 }
 
-CoreViewSceneSimple::~CoreViewSceneSimple() {
-    if (delay_slot_latch != nullptr)
-        delete delay_slot_latch;
-}
-
 CoreViewScenePipelined::CoreViewScenePipelined(CoreView *view, machine::QtMipsMachine *machine) : CoreViewScene(view, machine) {
     NEW(Latch, latch_if_id, 158, 70, machine, 400);
     latch_if_id->setTitle("IF/ID");
@@ -286,17 +282,3 @@ CoreViewScenePipelined::CoreViewScenePipelined(CoreView *view, machine::QtMipsMa
     con = new_bus(dc.add->connector_out(), ft.multiplex->connector_in(1));
     con->setAxes({CON_AXIS_Y(360), CON_AXIS_X(480), CON_AXIS_Y(10)});
 }
-
-CoreViewScenePipelined::~CoreViewScenePipelined() {
-    delete latch_if_id;
-    delete latch_id_ex;
-    delete latch_ex_mem;
-    delete latch_mem_wb;
-    delete inst_fetch;
-    delete inst_dec;
-    delete inst_exec;
-    delete inst_mem;
-    delete inst_wrb;
-    if (hazard_unit != nullptr)
-        delete hazard_unit;
-}
diff --git a/qtmips_gui/coreview.h b/qtmips_gui/coreview.h
index ed8a8ad..d5b39c1 100644
--- a/qtmips_gui/coreview.h
+++ b/qtmips_gui/coreview.h
@@ -84,16 +84,15 @@ protected:
 class CoreViewSceneSimple : public CoreViewScene {
 public:
     CoreViewSceneSimple(CoreView *view, machine::QtMipsMachine *machine);
-    ~CoreViewSceneSimple();
 
 private:
+    coreview::InstructionView *instr_prim, *instr_delay;
     coreview::Latch *delay_slot_latch;
 };
 
 class CoreViewScenePipelined : public CoreViewScene {
 public:
     CoreViewScenePipelined(CoreView *view, machine::QtMipsMachine *machine);
-    ~CoreViewScenePipelined();
 
 private:
     coreview::Latch *latch_if_id, *latch_id_ex, *latch_ex_mem, *latch_mem_wb;
diff --git a/qtmips_machine/core.cpp b/qtmips_machine/core.cpp
index 9ca7b9d..fd6c6f4 100644
--- a/qtmips_machine/core.cpp
+++ b/qtmips_machine/core.cpp
@@ -171,6 +171,8 @@ void Core::writeback(const struct dtMemory &dt) {
 }
 
 void Core::handle_pc(const struct dtDecode &dt) {
+    emit instruction_program_counter(dt.inst);
+
     bool branch = false;
     bool link = false;
     // TODO implement link
diff --git a/qtmips_machine/core.h b/qtmips_machine/core.h
index 3ff6a98..a0bc2a2 100644
--- a/qtmips_machine/core.h
+++ b/qtmips_machine/core.h
@@ -26,6 +26,7 @@ signals:
     void instruction_executed(const machine::Instruction &inst);
     void instruction_memory(const machine::Instruction &inst);
     void instruction_writeback(const machine::Instruction &inst);
+    void instruction_program_counter(const machine::Instruction &inst);
 
 protected:
     Registers *regs;
-- 
cgit v1.2.3