1 /* 2 * (C) Copyright 2002 3 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #ifndef _ASM_ZIMAGE_H_ 25 #define _ASM_ZIMAGE_H_ 26 27 #include <asm/e820.h> 28 29 /* linux i386 zImage/bzImage header. Offsets relative to 30 * the start of the image */ 31 32 #define HEAP_FLAG 0x80 33 #define BIG_KERNEL_FLAG 0x01 34 35 /* magic numbers */ 36 #define KERNEL_MAGIC 0xaa55 37 #define KERNEL_V2_MAGIC 0x53726448 38 #define COMMAND_LINE_MAGIC 0xA33F 39 40 /* limits */ 41 #define BZIMAGE_MAX_SIZE 15*1024*1024 /* 15MB */ 42 #define ZIMAGE_MAX_SIZE 512*1024 /* 512k */ 43 #define SETUP_MAX_SIZE 32768 44 45 #define SETUP_START_OFFSET 0x200 46 #define BZIMAGE_LOAD_ADDR 0x100000 47 #define ZIMAGE_LOAD_ADDR 0x10000 48 49 /* Implementation defined function to install an e820 map. */ 50 unsigned install_e820_map(unsigned max_entries, struct e820entry *); 51 52 void *load_zimage(char *image, unsigned long kernel_size, 53 unsigned long initrd_addr, unsigned long initrd_size, 54 int auto_boot, void **load_address); 55 56 void boot_zimage(void *setup_base, void *load_address); 57 58 #endif 59