[PATCH 1/2] event: Introduce EVT_POST_PREBOOT event

[Michal Simek]

Add a new EVT_POST_PREBOOT event type which is fired in main_loop()
after the preboot command has been executed.

Signed-off-by: Michal Simek <michal.simek at amd.com>
---

 common/main.c   | 3 +++
 include/event.h | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/common/main.c b/common/main.c
index b0b6e74f5d3d..e8b23f3ff293 100644
--- a/common/main.c
+++ b/common/main.c
@@ -19,6 +19,7 @@
 #include <net.h>
 #include <version_string.h>
 #include <efi_loader.h>
+#include <event.h>
 
 static void run_preboot_environment_command(void)
 {
@@ -53,6 +54,8 @@ void main_loop(void)
 	if (IS_ENABLED(CONFIG_USE_PREBOOT))
 		run_preboot_environment_command();
 
+	event_notify_null(EVT_POST_PREBOOT);
+
 	if (IS_ENABLED(CONFIG_UPDATE_TFTP))
 		update_tftp(0UL, NULL, NULL);
 
diff --git a/include/event.h b/include/event.h
index 1d267f1d1054..3ce5f992b04e 100644
--- a/include/event.h
+++ b/include/event.h
@@ -153,6 +153,15 @@ enum event_t {
 	 */
 	EVT_MAIN_LOOP,
 
+	/**
+	 * @EVT_POST_PREBOOT:
+	 * This event is triggered in main_loop() after the preboot command
+	 * has run, so that devices initialised by preboot (e.g. USB, UFS)
+	 * are available to event handlers. Its parameter is NULL.
+	 * A non-zero return value causes the boot to fail.
+	 */
+	EVT_POST_PREBOOT,
+
 	/**
 	 * @EVT_OF_LIVE_BUILT:
 	 * This event is triggered immediately after the live device tree has been
-- 
2.43.0