global: Migrate CONFIG_STACKBASE to CFG

[platform/kernel/u-boot.git] / include / event.h

diff --git a/include/event.h b/include/event.h
index 62e72a7..e4580b6 100644 (file)
--- a/include/event.h
+++ b/include/event.h
@@ -10,6 +10,8 @@
 #ifndef __event_h
 #define __event_h
 
+#include <dm/ofnode_decl.h>
+
 /**
  * enum event_t - Types of events supported by U-Boot
  *
@@ -29,6 +31,12 @@ enum event_t {
        /* Init hooks */
        EVT_MISC_INIT_F,
 
+       /* Device tree fixups before booting */
+       EVT_FT_FIXUP,
+
+       /* To be called once, before calling main_loop() */
+       EVT_MAIN_LOOP,
+
        EVT_COUNT
 };
 
@@ -50,6 +58,17 @@ union event_data {
        struct event_dm {
                struct udevice *dev;
        } dm;
+
+       /**
+        * struct event_ft_fixup - FDT fixup before booting
+        *
+        * @tree: tree to update
+        * @images: images which are being booted
+        */
+       struct event_ft_fixup {
+               oftree tree;
+               struct bootm_headers *images;
+       } ft_fixup;
 };
 
 /**
@@ -123,11 +142,14 @@ static inline const char *event_spy_id(struct evspy_info *spy)
  * The only solution I can think of is to mark linker-list entries as 'used'
  * using an attribute. This should be safe, since we don't actually want to drop
  * any of these. However this does slightly limit LTO's optimisation choices.
+ *
+ * Another issue has come up, only with clang: using 'static' makes it throw
+ * away the linker-list entry sometimes, e.g. with the EVT_FT_FIXUP entry in
+ * vbe_simple.c - so for now, make it global.
  */
 #define EVENT_SPY(_type, _func) \
-       static __attribute__((used)) ll_entry_declare(struct evspy_info, \
-                                                     _type, evspy_info) = \
-       _ESPY_REC(_type, _func)
+       __used ll_entry_declare(struct evspy_info, _type ## _3_ ## _func, \
+               evspy_info) = _ESPY_REC(_type, _func)
 
 /**
  * event_register - register a new spy
@@ -144,7 +166,16 @@ int event_register(const char *id, enum event_t type, event_handler_t func,
 /** event_show_spy_list( - Show a list of event spies */
 void event_show_spy_list(void);
 
-#if CONFIG_IS_ENABLED(EVENT)
+/**
+ * event_manual_reloc() - Relocate event handler pointers
+ *
+ * Relocate event handler pointers for all static event spies. It is called
+ * during the generic board init sequence, after relocation.
+ *
+ * Return: 0 if OK
+ */
+int event_manual_reloc(void);
+
 /**
  * event_notify() - notify spies about an event
  *
@@ -159,6 +190,7 @@ void event_show_spy_list(void);
  */
 int event_notify(enum event_t type, void *data, int size);
 
+#if CONFIG_IS_ENABLED(EVENT)
 /**
  * event_notify_null() - notify spies about an event
  *
@@ -169,11 +201,6 @@ int event_notify(enum event_t type, void *data, int size);
  */
 int event_notify_null(enum event_t type);
 #else
-static inline int event_notify(enum event_t type, void *data, int size)
-{
-       return 0;
-}
-
 static inline int event_notify_null(enum event_t type)
 {
        return 0;