3 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
24 #ifndef _ASM_ZIMAGE_H_
25 #define _ASM_ZIMAGE_H_
29 /* linux i386 zImage/bzImage header. Offsets relative to
30 * the start of the image */
32 #define HEAP_FLAG 0x80
33 #define BIG_KERNEL_FLAG 0x01
36 #define KERNEL_MAGIC 0xaa55
37 #define KERNEL_V2_MAGIC 0x53726448
38 #define COMMAND_LINE_MAGIC 0xA33F
41 #define BZIMAGE_MAX_SIZE 15*1024*1024 /* 15MB */
42 #define ZIMAGE_MAX_SIZE 512*1024 /* 512k */
43 #define SETUP_MAX_SIZE 32768
45 #define SETUP_START_OFFSET 0x200
46 #define BZIMAGE_LOAD_ADDR 0x100000
47 #define ZIMAGE_LOAD_ADDR 0x10000
49 /* Implementation defined function to install an e820 map. */
50 unsigned install_e820_map(unsigned max_entries, struct e820entry *);
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);
56 void boot_zimage(void *setup_base, void *load_address);