feat(trbe): enable access to trace buffer control registers from lower NS EL
Introduced a build flag 'ENABLE_TRBE_FOR_NS' to enable trace buffer
control registers access in NS-EL2, or NS-EL1 (when NS-EL2 is
implemented but unused).
Change-Id: I285a672ccd395eebd377714c992bb21062a729cc
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/lib/el3_runtime/aarch64/context_mgmt.c b/lib/el3_runtime/aarch64/context_mgmt.c
index 1a765e7..9eb66ed 100644
--- a/lib/el3_runtime/aarch64/context_mgmt.c
+++ b/lib/el3_runtime/aarch64/context_mgmt.c
@@ -22,6 +22,7 @@
#include <lib/extensions/mpam.h>
#include <lib/extensions/spe.h>
#include <lib/extensions/sve.h>
+#include <lib/extensions/trbe.h>
#include <lib/extensions/twed.h>
#include <lib/utils.h>
@@ -348,6 +349,11 @@
#if ENABLE_MPAM_FOR_LOWER_ELS
mpam_enable(el2_unused);
#endif
+
+#if ENABLE_TRBE_FOR_NS
+ trbe_enable();
+#endif /* ENABLE_TRBE_FOR_NS */
+
#endif
}