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 */ 49 struct rom_info { 50 unsigned short rom_segment; 51 unsigned short rom_length; 52 }; 53 54 extern void poll_interruptions P((void)); 55 56 /* For UNDI drivers */ 57 extern uint32_t get_free_base_memory ( void ); 58 extern void *allot_base_memory ( size_t ); 59 extern void forget_base_memory ( void*, size_t ); 60 extern void free_unused_base_memory ( void ); 61 62 #endif /* ETHERBOOT_H */ 63