Moved ISRs and multiboot2 code to separate files

src/x86/isr.c

@@ -0,0 +1,37 @@
+#include "isr.h"
+
+__attribute__ ((interrupt))
+void genericISR(void* frame)
+{
+    
+}
+
+__attribute__ ((interrupt))
+void divisionByZero(void* frame)
+{
+    
+}
+
+__attribute__ ((interrupt))
+void gpFaultHandler(void* frame, unsigned int error)
+{
+    
+}
+
+__attribute__ ((interrupt))
+void pageFaultHandler(void* frame, unsigned int error)
+{
+    
+}
+
+__attribute__ ((interrupt))
+void doubleFaultHandler(void* frame, unsigned int error)
+{
+    asm("hlt");
+}
+
+__attribute__ ((interrupt))
+void syscallHandler(void* frame)
+{
+    
+}