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 <[email protected]>
---

 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

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