1 /*
2 * Copyright (C) 2007 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 <realmode.h>
22 #include <gpxe/aoe.h>
23 #include <gpxe/netdevice.h>
24 #include <gpxe/abft.h>
25
26 /** @file
27 *
28 * AoE Boot Firmware Table
29 *
30 */
31
32 #define abftab __use_data16 ( abftab )
33 /** The aBFT used by gPXE */
34 struct abft_table __data16 ( abftab ) __attribute__ (( aligned ( 16 ) )) = {
35 /* ACPI header */
36 .acpi = {
37 .signature = ABFT_SIG,
38 .length = sizeof ( abftab ),
39 .revision = 1,
40 .oem_id = "FENSYS",
41 .oem_table_id = "gPXE",
42 },
43 };
44
45 /**
46 * Fill in all variable portions of aBFT
47 *
48 * @v aoe AoE session
49 */
abft_fill_data(struct aoe_session * aoe)50 void abft_fill_data ( struct aoe_session *aoe ) {
51
52 /* Fill in boot parameters */
53 abftab.shelf = aoe->major;
54 abftab.slot = aoe->minor;
55 memcpy ( abftab.mac, aoe->netdev->ll_addr, sizeof ( abftab.mac ) );
56
57 /* Update checksum */
58 acpi_fix_checksum ( &abftab.acpi );
59
60 DBG ( "AoE boot firmware table:\n" );
61 DBG_HD ( &abftab, sizeof ( abftab ) );
62 }
63