Split the (quick hack) boot logic out from main.c to autoboot.c, add a

"boot" command to attempt booting from within the command shell, fall back
to shell if boot fails for any reason.

src/Makefile

@@ -146,6 +146,7 @@ SRCDIRS		+= tests
 SRCDIRS		+= crypto
 SRCDIRS		+= hci hci/commands hci/tui
 SRCDIRS		+= hci/mucurses hci/mucurses/widgets
+SRCDIRS		+= usr
 
 # NON_AUTO_SRCS lists files that are excluded from the normal
 # automatic build system.

src/config.h

@@ -115,6 +115,7 @@
  * Command-line commands to include
  *
  */
+#define	BOOT_CMD		/* Automatic booting */
 #define	NVO_CMD			/* Non-volatile option storage commands */
 #define	CONFIG_CMD		/* Option configuration console */
 

src/core/config.c

@@ -143,6 +143,9 @@ REQUIRE_OBJECT ( pxe );
  * Drag in all requested commands
  *
  */
+#ifdef BOOT_CMD
+REQUIRE_OBJECT ( boot_cmd );
+#endif
 #ifdef NVO_CMD
 REQUIRE_OBJECT ( nvo_cmd );
 #endif

src/core/main.c

@@ -150,26 +150,19 @@ void test_dhcp ( struct net_device *netdev );
 MAIN - Kick off routine
 **************************************************************************/
 int main ( void ) {
-	struct net_device *netdev;
 
 	/* Call all registered initialisation functions */
 	init_heap();
 	call_init_fns ();
 	probe_devices();
 
-	if ( shell_banner() ) {
+	/* Try autobooting if we're not going straight to the shell */
+	if ( ! shell_banner() ) {
+		autoboot();
+	}
+	
+	/* Autobooting failed or the user wanted the shell */
 	shell();
-	}
-
-	netdev = next_netdev ();
-	if ( netdev ) {
-		test_dhcp ( netdev );
-	} else {
-		printf ( "No network device found\n" );
-	}
-
-	printf ( "Press any key to exit\n" );
-	getchar();
 
 	remove_devices();
 	call_exit_fns ();

src/hci/commands/boot_cmd.c

@@ -0,0 +1,21 @@
+#include <vsprintf.h>
+#include <gpxe/command.h>
+#include <gpxe/autoboot.h>
+
+static int boot_exec ( int argc, char **argv ) {
+
+	if ( argc != 1 ) {
+		printf ( "Usage: %s\n"
+			 "Attempts to boot the system\n", argv[0] );
+		return 1;
+	}
+
+	autoboot();
+
+	return 0;
+}
+
+struct command boot_command __command = {
+	.name = "boot",
+	.exec = boot_exec,
+};

src/include/gpxe/autoboot.h

@@ -0,0 +1,12 @@
+#ifndef _GPXE_AUTOBOOT_H
+#define _GPXE_AUTOBOOT_H
+
+/** @file
+ *
+ * Automatic booting
+ *
+ */
+
+extern void autoboot ( void );
+
+#endif /* _GPXE_AUTOBOOT_H */

src/usr/autoboot.c

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <vsprintf.h>
+#include <gpxe/autoboot.h>
+
+/** @file
+ *
+ * Automatic booting
+ *
+ */
+
+#include <gpxe/netdevice.h>
+void test_dhcp ( struct net_device *netdev );
+
+void autoboot ( void ) {
+	struct net_device *netdev;
+
+	netdev = next_netdev ();
+	if ( netdev ) {
+		test_dhcp ( netdev );
+	} else {
+		printf ( "No network device found\n" );
+	}
+}