| /* |
| * (C) Copyright 2002 |
| * Daniel Engström, Omicron Ceti AB, daniel@omicron.se |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #ifndef _ASM_ZIMAGE_H_ |
| #define _ASM_ZIMAGE_H_ |
| |
| /* linux i386 zImage/bzImage header. Offsets relative to |
| * the start of the image */ |
| |
| #define CMD_LINE_MAGIC_OFF 0x020 /* Magic 0xa33f if the offset below is valid */ |
| #define CMD_LINE_OFFSET_OFF 0x022 /* Offset to comandline */ |
| #define SETUP_SECTS_OFF 0x1F1 /* The size of the setup in sectors */ |
| #define ROOT_FLAGS_OFF 0x1F2 /* If set, the root is mounted readonly */ |
| #define VID_MODE_OFF 0x1FA /* Video mode control */ |
| #define ROOT_DEV_OFF 0x1FC /* Default root device number */ |
| #define BOOT_FLAG_OFF 0x1FE /* 0xAA55 magic number */ |
| #define HEADER_OFF 0x202 /* Magic signature "HdrS" */ |
| #define VERSION_OFF 0x206 /* Boot protocol version supported */ |
| #define REALMODE_SWTCH_OFF 0x208 /* Boot loader hook (see below) */ |
| #define START_SYS_OFF 0x20C /* Points to kernel version string */ |
| #define TYPE_OF_LOADER_OFF 0x210 /* Boot loader identifier */ |
| #define LOADFLAGS_OFF 0x211 /* Boot protocol option flags */ |
| #define SETUP_MOVE_SIZE_OFF 0x212 /* Move to high memory size (used with hooks) */ |
| #define CODE32_START_OFF 0x214 /* Boot loader hook (see below) */ |
| #define RAMDISK_IMAGE_OFF 0x218 /* initrd load address (set by boot loader) */ |
| #define RAMDISK_SIZE_OFF 0x21C /* initrd size (set by boot loader) */ |
| #define HEAP_END_PTR_OFF 0x224 /* Free memory after setup end */ |
| #define CMD_LINE_PTR_OFF 0x228 /* 32-bit pointer to the kernel command line */ |
| |
| |
| #define HEAP_FLAG 0x80 |
| #define BIG_KERNEL_FLAG 0x01 |
| |
| /* magic numbers */ |
| #define KERNEL_MAGIC 0xaa55 |
| #define KERNEL_V2_MAGIC 0x53726448 |
| #define COMMAND_LINE_MAGIC 0xA33F |
| |
| /* limits */ |
| #define BZIMAGE_MAX_SIZE 15*1024*1024 /* 15MB */ |
| #define ZIMAGE_MAX_SIZE 512*1024 /* 512k */ |
| #define SETUP_MAX_SIZE 32768 |
| |
| #define SETUP_START_OFFSET 0x200 |
| #define BZIMAGE_LOAD_ADDR 0x100000 |
| #define ZIMAGE_LOAD_ADDR 0x10000 |
| |
| void *load_zimage(char *image, unsigned long kernel_size, |
| unsigned long initrd_addr, unsigned long initrd_size, |
| int auto_boot); |
| |
| void boot_zimage(void *setup_base); |
| image_header_t *fake_zimage_header(image_header_t *hdr, void *ptr, int size); |
| |
| #endif |
