diff --git a/sys/x86/include/specialreg.h b/sys/x86/include/specialreg.h
index 1b109b48818..2d3d2b8080a 100644
--- a/sys/x86/include/specialreg.h
+++ b/sys/x86/include/specialreg.h
@@ -338,7 +338,9 @@
 #define	CPUTPM1_HWP_PECI_OVR		0x00010000
 #define	CPUTPM1_HWP_FLEXIBLE		0x00020000
 #define	CPUTPM1_HWP_FAST_MSR		0x00040000
+#define	CPUTPM1_HW_FEEDBACK		0x00080000
 #define	CPUTPM1_HWP_IGN_IDLE		0x00100000
+#define	CPUTPM1_THREAD_DIRECTOR		0x00800000
 
 /* Ebx. */
 #define	CPUTPM_B_NSENSINTTHRESH		0x0000000f