diff --git a/include/arch/aarch64/arch.h b/include/arch/aarch64/arch.h
index 6c31d9d..5508ebb 100644
--- a/include/arch/aarch64/arch.h
+++ b/include/arch/aarch64/arch.h
@@ -131,7 +131,6 @@
 #define MPAMVPM6_EL2		S3_4_C10_C6_6
 #define MPAMVPM7_EL2		S3_4_C10_C6_7
 #define MPAMVPMV_EL2		S3_4_C10_C4_1
-#define TRFCR_EL2		S3_4_C1_C2_1
 #define VNCR_EL2		S3_4_C2_C2_0
 #define PMSCR_EL2		S3_4_C9_C9_0
 #define TFSR_EL2		S3_4_C5_C6_0
@@ -1337,6 +1336,8 @@
 #define GPTBR_EL3			S3_6_C2_C1_4
 
 #define SCXTNUM_EL2			S3_4_C13_C0_7
+#define SCXTNUM_EL1			S3_0_C13_C0_7
+#define SCXTNUM_EL0			S3_3_C13_C0_7
 
 /*******************************************************************************
  * RAS system registers
@@ -1459,10 +1460,19 @@
 #define GCSCR_EL2		S3_4_C2_C5_0
 #define GCSPR_EL2		S3_4_C2_C5_1
 #define GCSCR_EL1		S3_0_C2_C5_0
+#define GCSCRE0_EL1		S3_0_C2_C5_2
+#define GCSPR_EL1		S3_0_C2_C5_1
+#define GCSPR_EL0		S3_3_C2_C5_1
 
 #define GCSCR_EXLOCK_EN_BIT	(UL(1) << 6)
 
 /*******************************************************************************
+ * FEAT_TRF - Trace Filter Control Registers
+ ******************************************************************************/
+#define TRFCR_EL2		S3_4_C1_C2_1
+#define TRFCR_EL1		S3_0_C1_C2_1
+
+/*******************************************************************************
  * Definitions for DynamicIQ Shared Unit registers
  ******************************************************************************/
 #define CLUSTERPWRDN_EL1	S3_0_c15_c3_6
diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h
index ab32b18..57dbc06 100644
--- a/include/arch/aarch64/arch_helpers.h
+++ b/include/arch/aarch64/arch_helpers.h
@@ -569,6 +569,8 @@
 DEFINE_RENAME_SYSREG_READ_FUNC(erxmisc1_el1, ERXMISC1_EL1)
 
 DEFINE_RENAME_SYSREG_RW_FUNCS(scxtnum_el2, SCXTNUM_EL2)
+DEFINE_RENAME_SYSREG_RW_FUNCS(scxtnum_el1, SCXTNUM_EL1)
+DEFINE_RENAME_SYSREG_RW_FUNCS(scxtnum_el0, SCXTNUM_EL0)
 
 /* Armv8.1 VHE Registers */
 DEFINE_RENAME_SYSREG_RW_FUNCS(contextidr_el2, CONTEXTIDR_EL2)
@@ -606,6 +608,7 @@
 
 /* Armv8.4 FEAT_TRF Register */
 DEFINE_RENAME_SYSREG_RW_FUNCS(trfcr_el2, TRFCR_EL2)
+DEFINE_RENAME_SYSREG_RW_FUNCS(trfcr_el1, TRFCR_EL1)
 DEFINE_RENAME_SYSREG_RW_FUNCS(vncr_el2, VNCR_EL2)
 
 /* Armv8.5 MTE Registers */
@@ -656,6 +659,9 @@
 DEFINE_RENAME_SYSREG_RW_FUNCS(gcscr_el2, GCSCR_EL2)
 DEFINE_RENAME_SYSREG_RW_FUNCS(gcspr_el2, GCSPR_EL2)
 DEFINE_RENAME_SYSREG_RW_FUNCS(gcscr_el1, GCSCR_EL1)
+DEFINE_RENAME_SYSREG_RW_FUNCS(gcscre0_el1, GCSCRE0_EL1)
+DEFINE_RENAME_SYSREG_RW_FUNCS(gcspr_el1, GCSPR_EL1)
+DEFINE_RENAME_SYSREG_RW_FUNCS(gcspr_el0, GCSPR_EL0)
 
 /* DynamIQ Shared Unit power management */
 DEFINE_RENAME_SYSREG_RW_FUNCS(clusterpwrdn_el1, CLUSTERPWRDN_EL1)