Initial processor block initialization

sdk/xtdk/amd64/xtstruct.h

@@ -25,6 +25,10 @@ typedef struct _KDESCRIPTOR KDESCRIPTOR, *PKDESCRIPTOR;
 typedef struct _KEXCEPTION_FRAME KEXCEPTION_FRAME, *PKEXCEPTION_FRAME;
 typedef struct _KGDTENTRY KGDTENTRY, *PKGDTENTRY;
 typedef struct _KIDTENTRY KIDTENTRY, *PKIDTENTRY;
+typedef struct _KPROCESSOR_BLOCK KPROCESSOR_BLOCK, *PKPROCESSOR_BLOCK;
+typedef struct _KPROCESSOR_CONTROL_BLOCK KPROCESSOR_CONTROL_BLOCK, *PKPROCESSOR_CONTROL_BLOCK;
+typedef struct _KPROCESSOR_STATE KPROCESSOR_STATE, *PKPROCESSOR_STATE;
+typedef struct _KSPECIAL_REGISTERS KSPECIAL_REGISTERS, *PKSPECIAL_REGISTERS;
 typedef struct _KSWITCH_FRAME KSWITCH_FRAME, *PKSWITCH_FRAME;
 typedef struct _KTRAP_FRAME KTRAP_FRAME, *PKTRAP_FRAME;
 typedef struct _KTSS KTSS, *PKTSS;