Initialize segment registers

xtoskrnl/includes/arpfuncs.h

@@ -116,6 +116,10 @@ ArpInitializeProcessorBlock(OUT PKPROCESSOR_BLOCK ProcessorBlock,
                             IN PKTSS Tss,
                             IN PVOID DpcStack);
 
+XTAPI
+VOID
+ArpInitializeSegments(VOID);
+
 XTAPI
 VOID
 ArpInitializeTss(IN PKPROCESSOR_BLOCK ProcessorBlock);