build(mpam): add new build option CTX_INCLUDE_MPAM_REGS
New build option CTX_INCLUDE_MPAM_REGS is added to select
if the firmware needs to save the MPAM EL2 registers during world
switches. This option is currently disabled as MPAM is only
enabled for NS world.
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: Ie2e5e184cdb65f7e1a98d8fe81590253fd859679
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index 8829fcb..ac9d44b 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -374,3 +374,7 @@
# functions must be enabled by platforms if they require it.
# Disabled by default.
INIT_UNUSED_NS_EL2 := 0
+
+# Disable including MPAM EL2 registers in context by default since currently
+# it's only enabled for NS world
+CTX_INCLUDE_MPAM_REGS := 0