Merge pull request #54 from bdunahu/bdunahu

The pipeline says some things and there are numbers

1 files changed, 11 insertions, 5 deletions

diff --git a/src/sim/controller.cc b/src/sim/controller.cc
index 65e5676..db6106c 100644
--- a/src/sim/controller.cc
+++ b/src/sim/controller.cc
@@ -1,4 +1,5 @@
 #include "controller.h"
+#include "ex.h"
 #include "response.h"
 #include "storage.h"
 
@@ -8,9 +9,11 @@ Controller::Controller(Stage *stage, Storage *storage, bool is_pipelined)
 	this->clock_cycle = 1;
 	this->storage = storage;
 	this->is_pipelined = is_pipelined;
+	this->is_empty = true;
 	this->pc = 0x0;
 	this->checked_out = {};
 	this->gprs = {0};
+	this->gprs.at(2) = MEM_WORDS; // set the stack pointer
 	// grant side-door access
 	this->id = SIDE;
 }
@@ -19,7 +22,11 @@ void Controller::run_for(int number)
 {
 	int i;
 	for (i = 0; i < number; ++i) {
-		this->advance(WAIT);
+		try {
+			this->advance(WAIT);
+		} catch (HaltException &e) {
+			break;
+		}
 	}
 }
 
@@ -27,10 +34,6 @@ int Controller::get_clock_cycle() { return this->clock_cycle; }
 
 std::array<int, GPR_NUM> Controller::get_gprs() { return this->gprs; }
 
-void Controller::set_gprs(int index, int value) { this->gprs[index] = value; }
-
-void Controller::set_pipelined(bool value) { this->is_pipelined = value; }
-
 int Controller::get_pc() { return this->pc; }
 
 InstrDTO *Controller::advance(Response p)
@@ -39,6 +42,9 @@ InstrDTO *Controller::advance(Response p)
 	r = this->next->advance(p);
 	++this->clock_cycle;
 
+	if (r)
+		this->is_empty = true;
+
 	return r;
 }