Kernel: Rewrite APIC and PIC more OOP friendly

x86_64 port is slowly coming together

kernel/include/kernel/InterruptController.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <stdint.h>
+
+class InterruptController
+{
+public:
+	virtual ~InterruptController() {}
+
+	virtual void EOI(uint8_t) = 0;
+	virtual void EnableIrq(uint8_t) = 0;
+	virtual void GetISR(uint32_t[8]) = 0;
+
+	static void Initialize(bool force_pic);
+	static InterruptController& Get();
+};