Migrate AR subsystem to C++

sdk/xtdk/amd64/arfuncs.h

@@ -16,30 +16,37 @@
 
 
 /* Routines used by XTLDR */
+XTCLINK
 XTCDECL
 VOID
 ArClearInterruptFlag(VOID);
 
+XTCLINK
 XTCDECL
 BOOLEAN
 ArCpuId(IN OUT PCPUID_REGISTERS Registers);
 
+XTCLINK
 XTCDECL
 VOID
 ArEnableExtendedPhysicalAddressing(IN ULONG_PTR PageMap);
 
+XTCLINK
 XTCDECL
 VOID
 ArHalt(VOID);
 
+XTCLINK
 XTCDECL
 ULONG_PTR
 ArReadControlRegister(IN USHORT ControlRegister);
 
+XTCLINK
 XTCDECL
 ULONGLONG
 ArReadModelSpecificRegister(IN ULONG Register);
 
+XTCLINK
 XTCDECL
 VOID
 ArWriteControlRegister(IN USHORT ControlRegister,

sdk/xtdk/amd64/hlfuncs.h

@@ -16,28 +16,34 @@
 
 
 /* HAL library routines forward references */
+XTCLINK
 XTCDECL
 UCHAR
 HlIoPortInByte(IN USHORT Port);
 
+XTCLINK
 XTCDECL
 ULONG
 HlIoPortInLong(IN USHORT Port);
 
+XTCLINK
 XTCDECL
 USHORT
 HlIoPortInShort(IN USHORT Port);
 
+XTCLINK
 XTCDECL
 VOID
 HlIoPortOutByte(IN USHORT Port,
                 IN UCHAR Data);
 
+XTCLINK
 XTCDECL
 VOID
 HlIoPortOutLong(IN USHORT Port,
                 IN ULONG Value);
 
+XTCLINK
 XTCDECL
 VOID
 HlIoPortOutShort(IN USHORT Port,