1 /*
2 * Copyright (C) 2009 Michael Brown <mbrown@fensystems.co.uk>.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18
19 FILE_LICENCE ( GPL2_OR_LATER );
20
21 #include <stdlib.h>
22 #include <gpxe/init.h>
23 #include <gpxe/efi/efi.h>
24
25 /**
26 * EFI entry point
27 *
28 * @v image_handle Image handle
29 * @v systab System table
30 * @ret efirc EFI return status code
31 */
_start(EFI_HANDLE image_handle,EFI_SYSTEM_TABLE * systab)32 EFI_STATUS EFIAPI _start ( EFI_HANDLE image_handle,
33 EFI_SYSTEM_TABLE *systab ) {
34 EFI_STATUS efirc;
35
36 /* Initialise EFI environment */
37 if ( ( efirc = efi_init ( image_handle, systab ) ) != 0 )
38 return efirc;
39
40 /* Initialise gPXE environment */
41 initialise();
42 startup();
43
44 /* Install SNP driver and return */
45 return RC_TO_EFIRC ( efi_snp_install () );
46 }
47