Refactor the exception handling code

exceptions/arm11/source/handlers.h

@@ -7,10 +7,28 @@
 
 #pragma once
 
+#include "types.h"
+#define NULL 0
+
 void __attribute__((noreturn)) mcuReboot(void);
 void clearDCacheAndDMB(void);
 
 void FIQHandler(void);
 void undefinedInstructionHandler(void);
 void dataAbortHandler(void);
-void prefetchAbortHandler(void);
+void prefetchAbortHandler(void);
+
+typedef struct __attribute__((packed))
+{
+    u32 magic[2];
+    u16 versionMinor, versionMajor;
+    
+    u16 processor, core;
+    u32 type;
+    
+    u32 totalSize;
+    u32 registerDumpSize;
+    u32 codeDumpSize;
+    u32 stackDumpSize;
+    u32 additionalDataSize;
+} ExceptionDumpHeader;