diff --git a/xtoskrnl/includes/ar/amd64/asmsup.hh b/xtoskrnl/includes/ar/amd64/asmsup.hh
index 2fc3047..55f7e29 100644
--- a/xtoskrnl/includes/ar/amd64/asmsup.hh
+++ b/xtoskrnl/includes/ar/amd64/asmsup.hh
@@ -28,12 +28,12 @@ XTCLINK ULONG_PTR ArTrapEntry[256];
 XTCLINK
 XTCDECL
 VOID
-ArHandleSpuriousInterrupt(VOID);
+ArEnableExtendedPhysicalAddressing(IN ULONG_PTR PageMap);
 
 XTCLINK
 XTCDECL
 VOID
-ArEnableExtendedPhysicalAddressing(IN ULONG_PTR PageMap);
+ArHandleSpuriousInterrupt(VOID);
 
 XTCLINK
 XTCDECL
diff --git a/xtoskrnl/includes/ar/i686/asmsup.hh b/xtoskrnl/includes/ar/i686/asmsup.hh
index 46e93ae..6b4ef05 100644
--- a/xtoskrnl/includes/ar/i686/asmsup.hh
+++ b/xtoskrnl/includes/ar/i686/asmsup.hh
@@ -12,6 +12,9 @@
 #include <xtos.hh>
 
 
+/* TrampolineEnableXpa end address to calculate trampoline size */
+XTCLINK PVOID ArEnableExtendedPhysicalAddressingEnd[];
+
 /* External array of pointers to the interrupt handlers */
 XTCLINK ULONG_PTR ArInterruptEntry[256];
 
@@ -22,6 +25,11 @@ XTCLINK PVOID ArStartApplicationProcessorEnd[];
 XTCLINK ULONG_PTR ArTrapEntry[256];
 
 /* Forward reference for assembler code */
+XTCLINK
+XTCDECL
+VOID
+ArEnableExtendedPhysicalAddressing(IN ULONG_PTR PageMap);
+
 XTCLINK
 XTCDECL
 VOID