diff --git a/xtoskrnl/xtoskrnl.spec b/xtoskrnl/xtoskrnl.spec
index f1a58c3..62b435a 100644
--- a/xtoskrnl/xtoskrnl.spec
+++ b/xtoskrnl/xtoskrnl.spec
@@ -11,6 +11,12 @@
 @ cdecl HlIoPortOutByte(ptr long)
 @ cdecl HlIoPortOutLong(ptr long)
 @ cdecl HlIoPortOutShort(ptr long)
+@ stdcall HlReadRegister8(ptr)
+@ stdcall HlReadRegister16(ptr)
+@ stdcall HlReadRegister32(ptr)
+@ stdcall HlWriteRegister8(ptr long)
+@ stdcall HlWriteRegister16(ptr long)
+@ stdcall HlWriteRegister32(ptr long)
 @ fastcall KeAcquireQueuedSpinLock(long)
 @ fastcall KeAcquireSpinLock(ptr)
 @ stdcall KeAcquireSystemResource(long ptr)
@@ -60,11 +66,14 @@
 @ stdcall RtlFindWideString(wstr wstr)
 @ stdcall RtlFindWideStringInsensitive(wstr wstr)
 @ stdcall RtlInitializeBitMap(ptr ptr long)
+@ stdcall RtlInitializeListHead(ptr)
+@ stdcall RtlInsertHeadList(ptr ptr)
+@ stdcall RtlInsertTailList(ptr ptr)
+@ stdcall RtlListEmpty(ptr)
+@ stdcall RtlListLoop(ptr)
 @ stdcall RtlMoveMemory(ptr ptr long)
 @ stdcall RtlMultiplyLargeInteger(long long long)
-@ stdcall RtlReadRegisterByte(ptr)
-@ stdcall RtlReadRegisterLong(ptr)
-@ stdcall RtlReadRegisterShort(ptr)
+@ stdcall RtlRemoveEntryList(ptr)
 @ stdcall RtlReverseString(str long)
 @ stdcall RtlReverseWideString(wstr long)
 @ stdcall RtlSameMemory(ptr ptr long)
@@ -89,7 +98,4 @@
 @ stdcall RtlTrimString(str)
 @ stdcall RtlTrimWideString(wstr)
 @ stdcall RtlWideStringLength(wstr long)
-@ stdcall RtlWriteRegisterByte(ptr long)
-@ stdcall RtlWriteRegisterLong(ptr long)
-@ stdcall RtlWriteRegisterShort(ptr long)
 @ stdcall RtlZeroMemory(ptr long)