aarch64: Add PubSub events to capture security state transitions
Add events that trigger before entry to normal/secure world. The
events trigger after the normal/secure context has been restored.
Similarly add events that trigger after leaving normal/secure world.
The events trigger after the normal/secure context has been saved.
Change-Id: I1b48a7ea005d56b1f25e2b5313d77e67d2f02bc5
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
diff --git a/include/lib/el3_runtime/pubsub_events.h b/include/lib/el3_runtime/pubsub_events.h
index 62550f8..9cfedb4 100644
--- a/include/lib/el3_runtime/pubsub_events.h
+++ b/include/lib/el3_runtime/pubsub_events.h
@@ -16,3 +16,21 @@
* initialization.
*/
REGISTER_PUBSUB_EVENT(psci_cpu_on_finish);
+
+#ifdef AARCH64
+/*
+ * These events are published by the AArch64 context management framework
+ * after the secure context is restored/saved via
+ * cm_el1_sysregs_context_{restore,save}() API.
+ */
+REGISTER_PUBSUB_EVENT(cm_entering_secure_world);
+REGISTER_PUBSUB_EVENT(cm_exited_secure_world);
+
+/*
+ * These events are published by the AArch64 context management framework
+ * after the normal context is restored/saved via
+ * cm_el1_sysregs_context_{restore,save}() API.
+ */
+REGISTER_PUBSUB_EVENT(cm_entering_normal_world);
+REGISTER_PUBSUB_EVENT(cm_exited_normal_world);
+#endif /* AARCH64 */