diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index bb3fe6c8f734..c11ec0a4e8f6 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -2106,7 +2106,17 @@ Fields	ZCR_ELx
 EndSysreg
 
 Sysreg	HCRX_EL2	3	4	1	2	2
-Res0	63:12
+Res0	63:23
+Field	22	GCSEn
+Field	21	EnIDCP128
+Field	20	EnSDERR
+Field	19	TMEA
+Field	18	EnSNERR
+Field	17	D128En
+Field	16	PTTWI
+Field	15	SCTLR2En
+Field	14	TCR2En
+Res0	13:12
 Field	11	MSCEn
 Field	10	MCE2
 Field	9	CMOW