diff --git a/include/coreinit/debug.h b/include/coreinit/debug.h
index 7a10b906..ad4aeff8 100644
--- a/include/coreinit/debug.h
+++ b/include/coreinit/debug.h
@@ -11,6 +11,8 @@
 extern "C" {
 #endif
 
+typedef struct OSFatalError OSFatalError;
+
 typedef void (*DisassemblyPrintFn)(const char *fmt, ...);
 
 typedef uint32_t (*DisassemblyFindSymbolFn)(uint32_t addr, char *symbolNameBuf, uint32_t symbolNameBufSize);
@@ -20,6 +22,39 @@ typedef enum DisassemblePPCFlags
    DISASSEMBLE_PPC_FLAGS_NONE = 0,
 } DisassemblePPCFlags;
 
+typedef enum OSFatalErrorMessageType
+{
+   OS_FATAL_ERROR_UNKOWN               = 0,
+   OS_FATAL_ERROR_GENERAL              = 1,
+
+   //! These are only valid for errorCode 1600200 - 1609999
+   OS_FATAL_ERROR_CORRUPTION           = 2,
+   OS_FATAL_ERROR_FATAL_SYSTEM_OR_USB  = 3,
+   OS_FATAL_ERROR_CORRUPTION_SLC       = 4,
+   OS_FATAL_ERROR_CORRUPTION_USB       = 5,
+   OS_FATAL_ERROR_STORAGE_REMOVED      = 6,
+   OS_FATAL_ERROR_DISC_REMOVED         = 7,
+   OS_FATAL_ERROR_CORRUPTION_DISC      = 8,
+   OS_FATAL_ERROR_WRITE_PROTECT        = 9,
+} OSFatalErrorMessageType;
+
+struct OSFatalError
+{
+   OSFatalErrorMessageType messageType;
+   uint32_t errorCode;
+   uint32_t processId;
+   uint32_t internalErrorCode;
+   uint32_t line;
+   char functionName[64];
+   WUT_UNKNOWN_BYTES(0x80);
+};
+WUT_CHECK_OFFSET(OSFatalError, 0x00, messageType);
+WUT_CHECK_OFFSET(OSFatalError, 0x04, errorCode);
+WUT_CHECK_OFFSET(OSFatalError, 0x08, processId);
+WUT_CHECK_OFFSET(OSFatalError, 0x0C, internalErrorCode);
+WUT_CHECK_OFFSET(OSFatalError, 0x10, line);
+WUT_CHECK_OFFSET(OSFatalError, 0x14, functionName);
+WUT_CHECK_SIZE(OSFatalError, 0xD4);
 
 void
 OSConsoleWrite(const char *msg,
@@ -54,6 +89,10 @@ OSPanic(const char *file,
 void
 OSFatal(const char *msg);
 
+void
+OSSendFatalError(OSFatalError *error,
+                 const char *functionName,
+                 uint32_t line);
 
 uint32_t
 OSGetSymbolName(uint32_t addr,