feat(trbe): introduce trbe_disable() function
This patch adds trbe_disable() which disables Trace buffer access
from lower ELs in all security state. This function makes Secure
state the owner of Trace buffer and access from EL2/EL1 generate
trap exceptions to EL3.
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: If3e3bd621684b3c28f44c3ed2fe3df30b143f8cd
diff --git a/include/lib/extensions/trbe.h b/include/lib/extensions/trbe.h
index 5db3316..2c488e0 100644
--- a/include/lib/extensions/trbe.h
+++ b/include/lib/extensions/trbe.h
@@ -10,9 +10,13 @@
#include <context.h>
#if ENABLE_TRBE_FOR_NS
+void trbe_disable(cpu_context_t *ctx);
void trbe_enable(cpu_context_t *ctx);
void trbe_init_el2_unused(void);
#else
+static inline void trbe_disable(cpu_context_t *ctx)
+{
+}
static inline void trbe_enable(cpu_context_t *ctx)
{
}