Add skeleton classes for 5 major pipeline stages

1 files changed, 18 insertions, 10 deletions

diff --git a/src/sim/controller.cc b/src/sim/controller.cc
index 8d48dc9..93fd0e0 100644
--- a/src/sim/controller.cc
+++ b/src/sim/controller.cc
@@ -1,7 +1,14 @@
 #include "controller.h"
+#include "ex.h"
+#include "id.h"
+#include "if.h"
+#include "mm.h"
+#include "response.h"
 #include "storage.h"
+#include "wb.h"
 
 Controller::Controller(Storage *storage, bool is_pipelined)
+	: Stage(nullptr)
 {
 	this->clock_cycle = 0;
 	this->storage = storage;
@@ -9,12 +16,14 @@ Controller::Controller(Storage *storage, bool is_pipelined)
 	this->pc = 0x0;
 	this->gprs = {0};
 
-	// setup the other pipeline stages
-	this->next = nullptr;
+	IF *f = new IF(nullptr);
+	ID *d = new ID(f);
+	EX *e = new EX(d);
+	MM *m = new MM(e);
+	WB *w = new WB(m);
+	this->next = w;
 }
 
-Controller::~Controller() { ; }
-
 void Controller::run_for(int number)
 {
 	int i;
@@ -25,14 +34,13 @@ void Controller::run_for(int number)
 
 int Controller::get_clock_cycle() { return this->clock_cycle; }
 
-std::array<int, GPR_NUM> Controller::get_gprs() {
-	return this->gprs;
-}
+std::array<int, GPR_NUM> Controller::get_gprs() { return this->gprs; }
 
 int Controller::get_pc() { return this->pc; }
 
-void Controller::advance() {
-	;
-	// this->next->advance()
+Response Controller::advance()
+{
+	this->next->advance();
 	++this->clock_cycle;
+	return OK;
 }