[efi] Add "reboot" command for EFI

Abstract out the ability to reboot the system to a separate reboot()
function (with platform-specific implementations), add an EFI
implementation, and make the existing "reboot" command available under
EFI.

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

1 files changed, 43 insertions, 0 deletions

diff --git a/src/interface/efi/efi_reboot.c b/src/interface/efi/efi_reboot.c
new file mode 100644
index 000000000..1ecccc460
--- /dev/null
+++ b/src/interface/efi/efi_reboot.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2013 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/**
+ * @file
+ *
+ * EFI reboot mechanism
+ *
+ */
+
+#include <ipxe/efi/efi.h>
+#include <ipxe/reboot.h>
+
+/**
+ * Reboot system
+ *
+ */
+static void efi_reboot ( void ) {
+	EFI_RUNTIME_SERVICES *rs = efi_systab->RuntimeServices;
+
+	/* Use runtime services to reset system */
+	rs->ResetSystem ( EfiResetCold, 0, 0, NULL );
+}
+
+PROVIDE_REBOOT ( efi, reboot, efi_reboot );