diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h
index 72b87c8..359ac76 100644
--- a/include/arch/aarch64/arch_helpers.h
+++ b/include/arch/aarch64/arch_helpers.h
@@ -442,6 +442,8 @@
 DEFINE_SYSREG_READ_FUNC(cntpct_el0)
 DEFINE_SYSREG_RW_FUNCS(cnthctl_el2)
 
+DEFINE_SYSREG_RW_FUNCS(vtcr_el2)
+
 #define get_cntp_ctl_enable(x)  (((x) >> CNTP_CTL_ENABLE_SHIFT) & \
 					CNTP_CTL_ENABLE_MASK)
 #define get_cntp_ctl_imask(x)   (((x) >> CNTP_CTL_IMASK_SHIFT) & \