Starting to move towards proper HAL and ring3

- slight clean up of PCI driver
- Added TaskSegment header
- Rename some folders

source/lib/include/stack.h

@@ -0,0 +1,73 @@
+#pragma once
+#include "../../kernel/memory/KernelHeap.h"
+#include <stdint.h>
+
+template <typename T>
+class Stack {
+    public:
+        inline Stack() {
+                elements = (T[MAX_STACK_SIZE]) malloc(MAX_STACK_SIZE * sizeof(T));
+                num = 0;
+
+        }
+
+        inline void  Push(T element){
+            num++;
+            if(num > MAX_STACK_SIZE)
+                grow();
+
+            element[num] = element;
+        }
+
+     
+        inline T Pop()
+        {
+            T temp = elements[num];
+            num --;
+
+            return temp;
+        }
+
+        inline bool isEmpty()
+        {
+            return num == 0;
+        }
+
+        inline bool isFull()
+        {
+                return num == MAX_STACK_SIZE;
+        }
+
+      
+        inline int count()
+        {
+                return num;
+        }
+
+        inline ~Stack()
+        {
+            free(elements);
+        }
+
+
+    private:
+        unsigned int MAX_STACK_SIZE;
+        T[MAX_STACK_SIZE] elements;
+        unsigned int num;
+
+        inline void grow (){
+            MAX_STACK_SIZE = MAX_STACK_SIZE + (int)(MAX_STACK_SIZE / 4);
+            T[] new_elements =(T[MAX_STACK_SIZE]) malloc(MAX_STACK_SIZE * sizeof(T));
+
+            for ( int i = 0; i < num ; i++){
+                new_elements[i] = elements[i];
+            }
+            free(elements);
+            elements = new_elements;
+
+        }
+
+
+
+};
+