diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h
index fe9b5a5..5010ac5 100644
--- a/include/arch/aarch64/arch_helpers.h
+++ b/include/arch/aarch64/arch_helpers.h
@@ -27,6 +27,14 @@
 	return v;						\
 }
 
+#define _DEFINE_SYSREG_READ_FUNC_NV(_name, _reg_name)		\
+static inline u_register_t read_ ## _name(void)			\
+{								\
+	u_register_t v;						\
+	__asm__ ("mrs %0, " #_reg_name : "=r" (v));		\
+	return v;						\
+}
+
 #define _DEFINE_SYSREG_WRITE_FUNC(_name, _reg_name)			\
 static inline void write_ ## _name(u_register_t v)			\
 {									\
@@ -58,6 +66,14 @@
 #define DEFINE_RENAME_SYSREG_WRITE_FUNC(_name, _reg_name)	\
 	_DEFINE_SYSREG_WRITE_FUNC(_name, _reg_name)
 
+/* Define read function for ID register (w/o volatile qualifier) */
+#define DEFINE_IDREG_READ_FUNC(_name)			\
+	_DEFINE_SYSREG_READ_FUNC_NV(_name, _name)
+
+/* Define read function for renamed ID register (w/o volatile qualifier) */
+#define DEFINE_RENAME_IDREG_READ_FUNC(_name, _reg_name)	\
+	_DEFINE_SYSREG_READ_FUNC_NV(_name, _reg_name)
+
 /**********************************************************************
  * Macros to create inline functions for system instructions
  *********************************************************************/
@@ -247,14 +263,14 @@
 #define write_daifset(val) SYSREG_WRITE_CONST(daifset, val)
 
 DEFINE_SYSREG_RW_FUNCS(par_el1)
-DEFINE_SYSREG_READ_FUNC(id_pfr1_el1)
-DEFINE_SYSREG_READ_FUNC(id_aa64isar0_el1)
-DEFINE_SYSREG_READ_FUNC(id_aa64isar1_el1)
-DEFINE_RENAME_SYSREG_READ_FUNC(id_aa64isar2_el1, ID_AA64ISAR2_EL1)
-DEFINE_SYSREG_READ_FUNC(id_aa64pfr0_el1)
-DEFINE_SYSREG_READ_FUNC(id_aa64pfr1_el1)
-DEFINE_SYSREG_READ_FUNC(id_aa64dfr0_el1)
-DEFINE_SYSREG_READ_FUNC(id_afr0_el1)
+DEFINE_IDREG_READ_FUNC(id_pfr1_el1)
+DEFINE_IDREG_READ_FUNC(id_aa64isar0_el1)
+DEFINE_IDREG_READ_FUNC(id_aa64isar1_el1)
+DEFINE_RENAME_IDREG_READ_FUNC(id_aa64isar2_el1, ID_AA64ISAR2_EL1)
+DEFINE_IDREG_READ_FUNC(id_aa64pfr0_el1)
+DEFINE_IDREG_READ_FUNC(id_aa64pfr1_el1)
+DEFINE_IDREG_READ_FUNC(id_aa64dfr0_el1)
+DEFINE_IDREG_READ_FUNC(id_afr0_el1)
 DEFINE_SYSREG_READ_FUNC(CurrentEl)
 DEFINE_SYSREG_READ_FUNC(ctr_el0)
 DEFINE_SYSREG_RW_FUNCS(daif)
@@ -367,10 +383,10 @@
 /*******************************************************************************
  * System register accessor prototypes
  ******************************************************************************/
-DEFINE_SYSREG_READ_FUNC(midr_el1)
+DEFINE_IDREG_READ_FUNC(midr_el1)
 DEFINE_SYSREG_READ_FUNC(mpidr_el1)
-DEFINE_SYSREG_READ_FUNC(id_aa64mmfr0_el1)
-DEFINE_SYSREG_READ_FUNC(id_aa64mmfr1_el1)
+DEFINE_IDREG_READ_FUNC(id_aa64mmfr0_el1)
+DEFINE_IDREG_READ_FUNC(id_aa64mmfr1_el1)
 
 DEFINE_SYSREG_RW_FUNCS(scr_el3)
 DEFINE_SYSREG_RW_FUNCS(hcr_el2)
@@ -516,7 +532,7 @@
 DEFINE_RENAME_SYSREG_WRITE_FUNC(zcr_el3, ZCR_EL3)
 DEFINE_RENAME_SYSREG_WRITE_FUNC(zcr_el2, ZCR_EL2)
 
-DEFINE_RENAME_SYSREG_READ_FUNC(id_aa64smfr0_el1, ID_AA64SMFR0_EL1)
+DEFINE_RENAME_IDREG_READ_FUNC(id_aa64smfr0_el1, ID_AA64SMFR0_EL1)
 DEFINE_RENAME_SYSREG_RW_FUNCS(smcr_el3, SMCR_EL3)
 
 DEFINE_RENAME_SYSREG_READ_FUNC(erridr_el1, ERRIDR_EL1)
@@ -530,7 +546,7 @@
 DEFINE_RENAME_SYSREG_READ_FUNC(erxmisc1_el1, ERXMISC1_EL1)
 
 /* Armv8.2 Registers */
-DEFINE_RENAME_SYSREG_READ_FUNC(id_aa64mmfr2_el1, ID_AA64MMFR2_EL1)
+DEFINE_RENAME_IDREG_READ_FUNC(id_aa64mmfr2_el1, ID_AA64MMFR2_EL1)
 
 /* Armv8.3 Pointer Authentication Registers */
 DEFINE_RENAME_SYSREG_RW_FUNCS(apiakeyhi_el1, APIAKeyHi_EL1)