diff --git a/sys/amd64/amd64/identcpu.c b/sys/amd64/amd64/identcpu.c
index a8ad392caa93..f413fb5691a6 100644
--- a/sys/amd64/amd64/identcpu.c
+++ b/sys/amd64/amd64/identcpu.c
@@ -306,8 +306,8 @@ printcpuinfo(void)
 				"\020"
 				"\001LAHF"	/* LAHF/SAHF in long mode */
 				"\002CMP"	/* CMP legacy */
-				"\003<b2>"
-				"\004<b3>"
+				"\003SVM"	/* Secure Virtual Mode */
+				"\004ExtAPIC"	/* Extended APIC register */
 				"\005CR8"	/* CR8 in legacy mode */
 				"\006<b5>"
 				"\007<b6>"
diff --git a/sys/amd64/include/specialreg.h b/sys/amd64/include/specialreg.h
index 24db7daead38..7adc83d0b49f 100644
--- a/sys/amd64/include/specialreg.h
+++ b/sys/amd64/include/specialreg.h
@@ -135,6 +135,8 @@
 
 #define AMDID2_LAHF	0x00000001
 #define AMDID2_CMP	0x00000002
+#define AMDID2_SVM	0x00000004
+#define AMDID2_EXT_APIC	0x00000008
 #define AMDID2_CR8	0x00000010
 
 /*
diff --git a/sys/i386/i386/identcpu.c b/sys/i386/i386/identcpu.c
index aff022f123cc..2f0be0964b2f 100644
--- a/sys/i386/i386/identcpu.c
+++ b/sys/i386/i386/identcpu.c
@@ -813,8 +813,8 @@ printcpuinfo(void)
 				"\020"
 				"\001LAHF"	/* LAHF/SAHF in long mode */
 				"\002CMP"	/* CMP legacy */
-				"\003<b2>"
-				"\004<b3>"
+				"\003SVM"	/* Secure Virtual Mode */
+				"\004ExtAPIC"	/* Extended APIC register */
 				"\005CR8"	/* CR8 in legacy mode */
 				"\006<b5>"
 				"\007<b6>"
diff --git a/sys/i386/include/specialreg.h b/sys/i386/include/specialreg.h
index 6fd492c43eb8..8c8cd0dbdc94 100644
--- a/sys/i386/include/specialreg.h
+++ b/sys/i386/include/specialreg.h
@@ -122,6 +122,8 @@
 
 #define AMDID2_LAHF	0x00000001
 #define AMDID2_CMP	0x00000002
+#define AMDID2_SVM	0x00000004
+#define AMDID2_EXT_APIC	0x00000008
 #define AMDID2_CR8	0x00000010
 
 /*