[init] Show startup and shutdown function names in debug messages

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/core/device.c

@@ -111,6 +111,7 @@ static void remove_devices ( int booting __unused ) {
 }
 
 struct startup_fn startup_devices __startup_fn ( STARTUP_NORMAL ) = {
+	.name = "devices",
 	.startup = probe_devices,
 	.shutdown = remove_devices,
 };

src/core/init.c

@@ -36,6 +36,9 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 /** "startup() has been called" flag */
 static int started = 0;
 
+/** Colour for debug messages */
+#define colour table_start ( INIT_FNS )
+
 /**
  * Initialise iPXE
  *
@@ -69,11 +72,15 @@ void startup ( void ) {
 
 	/* Call registered startup functions */
 	for_each_table_entry ( startup_fn, STARTUP_FNS ) {
-		if ( startup_fn->startup )
+		if ( startup_fn->startup ) {
+			DBGC ( colour, "INIT startup %s...\n",
+			       startup_fn->name );
 			startup_fn->startup();
+		}
 	}
 
 	started = 1;
+	DBGC ( colour, "INIT startup complete\n" );
 }
 
 /**
@@ -96,12 +103,16 @@ void shutdown ( int flags ) {
 
 	/* Call registered shutdown functions (in reverse order) */
 	for_each_table_entry_reverse ( startup_fn, STARTUP_FNS ) {
-		if ( startup_fn->shutdown )
+		if ( startup_fn->shutdown ) {
+			DBGC ( colour, "INIT shutdown %s...\n",
+			       startup_fn->name );
 			startup_fn->shutdown ( flags );
+		}
 	}
 
 	/* Reset console */
 	console_reset();
 
 	started = 0;
+	DBGC ( colour, "INIT shutdown complete\n" );
 }

src/core/malloc.c

@@ -685,6 +685,7 @@ static void shutdown_cache ( int booting __unused ) {
 
 /** Memory allocator shutdown function */
 struct startup_fn heap_startup_fn __startup_fn ( STARTUP_EARLY ) = {
+	.name = "heap",
 	.shutdown = shutdown_cache,
 };
 

src/core/serial.c

@@ -181,5 +181,6 @@ struct init_fn serial_console_init_fn __init_fn ( INIT_CONSOLE ) = {
 
 /** Serial console startup function */
 struct startup_fn serial_startup_fn __startup_fn ( STARTUP_EARLY ) = {
+	.name = "serial",
 	.shutdown = serial_shutdown,
 };