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