diff options
Diffstat (limited to 'src/interface/efi/efidrvprefix.c')
-rw-r--r-- | src/interface/efi/efidrvprefix.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/interface/efi/efidrvprefix.c b/src/interface/efi/efidrvprefix.c new file mode 100644 index 00000000..4fbb19ff --- /dev/null +++ b/src/interface/efi/efidrvprefix.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2009 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 ); + +#include <stdlib.h> +#include <ipxe/init.h> +#include <ipxe/device.h> +#include <ipxe/efi/efi.h> +#include <ipxe/efi/efi_driver.h> + +/** + * EFI entry point + * + * @v image_handle Image handle + * @v systab System table + * @ret efirc EFI return status code + */ +EFI_STATUS EFIAPI _efidrv_start ( EFI_HANDLE image_handle, + EFI_SYSTEM_TABLE *systab ) { + EFI_STATUS efirc; + + /* Initialise EFI environment */ + if ( ( efirc = efi_init ( image_handle, systab ) ) != 0 ) + return efirc; + + /* Initialise iPXE environment */ + initialise(); + startup(); + + return 0; +} + +/** + * Probe EFI root bus + * + * @v rootdev EFI root device + */ +static int efi_probe ( struct root_device *rootdev __unused ) { + + /* Do nothing */ + return 0; +} + +/** + * Remove EFI root bus + * + * @v rootdev EFI root device + */ +static void efi_remove ( struct root_device *rootdev __unused ) { + + efi_driver_disconnect_all(); +} + +/** EFI root device driver */ +static struct root_driver efi_root_driver = { + .probe = efi_probe, + .remove = efi_remove, +}; + +/** EFI root device */ +struct root_device efi_root_device __root_device = { + .dev = { .name = "EFI" }, + .driver = &efi_root_driver, +}; |