Clean checkin of the 6.03 code
BUG: 32495852
Change-Id: I5038a3bb41e217380c1188463daec07b1e9b6b48
diff --git a/gpxe/src/include/gpxe/init.h b/gpxe/src/include/gpxe/init.h
new file mode 100644
index 0000000..a72cba7
--- /dev/null
+++ b/gpxe/src/include/gpxe/init.h
@@ -0,0 +1,81 @@
+#ifndef _GPXE_INIT_H
+#define _GPXE_INIT_H
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <gpxe/tables.h>
+
+/**
+ * An initialisation function
+ *
+ * Initialisation functions are called exactly once, as part of the
+ * call to initialise().
+ */
+struct init_fn {
+ void ( * initialise ) ( void );
+};
+
+/** Initialisation function table */
+#define INIT_FNS __table ( struct init_fn, "init_fns" )
+
+/** Declare an initialisation functon */
+#define __init_fn( init_order ) __table_entry ( INIT_FNS, init_order )
+
+/** @defgroup initfn_order Initialisation function ordering
+ * @{
+ */
+
+#define INIT_EARLY 01 /**< Early initialisation */
+#define INIT_SERIAL 02 /**< Serial driver initialisation */
+#define INIT_CONSOLE 03 /**< Console initialisation */
+#define INIT_NORMAL 04 /**< Normal initialisation */
+
+/** @} */
+
+/** Shutdown flags */
+enum shutdown_flags {
+ /** Shutdown is in order to exit (return to gPXE's caller) */
+ SHUTDOWN_EXIT = 0x0001,
+ /** Shutdown is in order to boot an OS */
+ SHUTDOWN_BOOT = 0x0002,
+ /** Do not remove devices */
+ SHUTDOWN_KEEP_DEVICES = 0x0004,
+};
+
+/**
+ * A startup/shutdown function
+ *
+ * Startup and shutdown functions may be called multiple times, as
+ * part of the calls to startup() and shutdown().
+ */
+struct startup_fn {
+ void ( * startup ) ( void );
+ void ( * shutdown ) ( int flags );
+};
+
+/** Startup/shutdown function table */
+#define STARTUP_FNS __table ( struct startup_fn, "startup_fns" )
+
+/** Declare a startup/shutdown function */
+#define __startup_fn( startup_order ) \
+ __table_entry ( STARTUP_FNS, startup_order )
+
+/** @defgroup startfn_order Startup/shutdown function ordering
+ *
+ * Shutdown functions are called in the reverse order to startup
+ * functions.
+ *
+ * @{
+ */
+
+#define STARTUP_EARLY 01 /**< Early startup */
+#define STARTUP_NORMAL 02 /**< Normal startup */
+#define STARTUP_LATE 03 /**< Late startup */
+
+/** @} */
+
+extern void initialise ( void );
+extern void startup ( void );
+extern void shutdown ( int flags );
+
+#endif /* _GPXE_INIT_H */