ARMv7 does not support STL instruction
Also need to add a SEV instruction in ARMv7 spin_unlock which
is implicit in ARMv8.
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
diff --git a/include/common/aarch32/asm_macros.S b/include/common/aarch32/asm_macros.S
index f573744..0d1a37d 100644
--- a/include/common/aarch32/asm_macros.S
+++ b/include/common/aarch32/asm_macros.S
@@ -79,6 +79,15 @@
ldr r0, =(\_name + \_size)
.endm
+#if (ARM_ARCH_MAJOR == 7)
+ /* ARMv7 does not support stl instruction */
+ .macro stl _reg, _write_lock
+ dmb
+ str \_reg, \_write_lock
+ dsb
+ .endm
+#endif
+
/*
* Helper macro to generate the best mov/movw/movt combinations
* according to the value to be moved.