diff --git a/include/drivers/arm/gicv2.h b/include/drivers/arm/gicv2.h
index bc2822e..9b8510a 100644
--- a/include/drivers/arm/gicv2.h
+++ b/include/drivers/arm/gicv2.h
@@ -174,6 +174,7 @@
 void gicv2_set_spi_routing(unsigned int id, int proc_num);
 void gicv2_set_interrupt_pending(unsigned int id);
 void gicv2_clear_interrupt_pending(unsigned int id);
+unsigned int gicv2_set_pmr(unsigned int mask);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __GICV2_H__ */
diff --git a/include/drivers/arm/gicv3.h b/include/drivers/arm/gicv3.h
index 09d6d80..95b6e3b 100644
--- a/include/drivers/arm/gicv3.h
+++ b/include/drivers/arm/gicv3.h
@@ -389,6 +389,7 @@
 		u_register_t mpidr);
 void gicv3_set_interrupt_pending(unsigned int id, unsigned int proc_num);
 void gicv3_clear_interrupt_pending(unsigned int id, unsigned int proc_num);
+unsigned int gicv3_set_pmr(unsigned int mask);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __GICV3_H__ */
diff --git a/include/lib/aarch32/arch_helpers.h b/include/lib/aarch32/arch_helpers.h
index c8caea2..469e9b0 100644
--- a/include/lib/aarch32/arch_helpers.h
+++ b/include/lib/aarch32/arch_helpers.h
@@ -213,6 +213,7 @@
 DEFINE_SYSOP_TYPE_FUNC(dsb, ish)
 DEFINE_SYSOP_TYPE_FUNC(dsb, ishst)
 DEFINE_SYSOP_TYPE_FUNC(dmb, ish)
+DEFINE_SYSOP_TYPE_FUNC(dmb, ishst)
 DEFINE_SYSOP_FUNC(isb)
 
 void __dead2 smc(uint32_t r0, uint32_t r1, uint32_t r2, uint32_t r3,
diff --git a/include/lib/aarch64/arch_helpers.h b/include/lib/aarch64/arch_helpers.h
index b880497..03110fd 100644
--- a/include/lib/aarch64/arch_helpers.h
+++ b/include/lib/aarch64/arch_helpers.h
@@ -204,6 +204,7 @@
 DEFINE_SYSOP_TYPE_FUNC(dsb, ish)
 DEFINE_SYSOP_TYPE_FUNC(dsb, ishst)
 DEFINE_SYSOP_TYPE_FUNC(dmb, ish)
+DEFINE_SYSOP_TYPE_FUNC(dmb, ishst)
 DEFINE_SYSOP_FUNC(isb)
 
 uint32_t get_afflvl_shift(uint32_t);
diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index ab5d68e..f03a399 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -87,6 +87,7 @@
 		u_register_t mpidr);
 void plat_ic_set_interrupt_pending(unsigned int id);
 void plat_ic_clear_interrupt_pending(unsigned int id);
+unsigned int plat_ic_set_priority_mask(unsigned int mask);
 
 /*******************************************************************************
  * Optional common functions (may be overridden)