1/*
2 *  GRUB  --  GRand Unified Bootloader
3 *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.
4 *
5 *  This program is free software; you can redistribute it and/or modify
6 *  it under the terms of the GNU General Public License as published by
7 *  the Free Software Foundation; either version 2 of the License, or
8 *  (at your option) any later version.
9 *
10 *  This program is distributed in the hope that it will be useful,
11 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 *  GNU General Public License for more details.
14 *
15 *  You should have received a copy of the GNU General Public License
16 *  along with this program; if not, write to the Free Software
17 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20/*
21 * Transport layer to use Etherboot NIC drivers in GRUB.
22 */
23
24#ifndef ETHERBOOT_H
25#define ETHERBOOT_H
26
27#include "shared.h"
28#include "osdep.h"
29#include "if_ether.h"
30#include "in.h"
31
32/* Link configuration time in tenths of a second */
33#ifndef VALID_LINK_TIMEOUT
34#define VALID_LINK_TIMEOUT	100 /* 10.0 seconds */
35#endif
36
37#ifndef	NULL
38#define NULL	((void *)0)
39#endif
40
41
42#define gateA20_set() gateA20(1)
43#define gateA20_unset() gateA20(0)
44#if !defined(__sun)
45#define EBDEBUG 0
46#endif
47/* The 'rom_info' maybe arch depended. It must be moved to some other
48 * place */
49struct rom_info {
50	unsigned short	rom_segment;
51	unsigned short	rom_length;
52};
53
54extern void poll_interruptions P((void));
55
56/* For UNDI drivers */
57extern uint32_t get_free_base_memory ( void );
58extern void *allot_base_memory ( size_t );
59extern void forget_base_memory ( void*, size_t );
60extern void free_unused_base_memory ( void );
61
62#endif /* ETHERBOOT_H */
63