diff --git a/include/arch/aarch64/arch.h b/include/arch/aarch64/arch.h
index 4d26153..b911b0b 100644
--- a/include/arch/aarch64/arch.h
+++ b/include/arch/aarch64/arch.h
@@ -1139,6 +1139,7 @@
  ******************************************************************************/
 #define ID_AA64SMFR0_EL1		S3_0_C0_C4_5
 #define SMCR_EL3			S3_6_C1_C2_6
+#define SVCR				S3_3_C4_C2_2
 
 /* ID_AA64SMFR0_EL1 definitions */
 #define ID_AA64SMFR0_EL1_SME_FA64_SHIFT		U(63)
diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h
index 8b92f19..4b08337 100644
--- a/include/arch/aarch64/arch_helpers.h
+++ b/include/arch/aarch64/arch_helpers.h
@@ -572,6 +572,7 @@
 
 DEFINE_RENAME_IDREG_READ_FUNC(id_aa64smfr0_el1, ID_AA64SMFR0_EL1)
 DEFINE_RENAME_SYSREG_RW_FUNCS(smcr_el3, SMCR_EL3)
+DEFINE_RENAME_SYSREG_RW_FUNCS(svcr, SVCR)
 
 DEFINE_RENAME_SYSREG_READ_FUNC(erridr_el1, ERRIDR_EL1)
 DEFINE_RENAME_SYSREG_WRITE_FUNC(errselr_el1, ERRSELR_EL1)