/* * (C) Copyright 2002 * Daniel Engstr�m, 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