1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2002 4 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se 5 */ 6 7 #ifndef _ASM_ZIMAGE_H_ 8 #define _ASM_ZIMAGE_H_ 9 10 #include <asm/bootparam.h> 11 #include <asm/e820.h> 12 13 /* linux i386 zImage/bzImage header. Offsets relative to 14 * the start of the image */ 15 16 #define HEAP_FLAG 0x80 17 #define BIG_KERNEL_FLAG 0x01 18 19 /* magic numbers */ 20 #define KERNEL_MAGIC 0xaa55 21 #define KERNEL_V2_MAGIC 0x53726448 22 #define COMMAND_LINE_MAGIC 0xA33F 23 24 /* limits */ 25 #define BZIMAGE_MAX_SIZE 15*1024*1024 /* 15MB */ 26 #define ZIMAGE_MAX_SIZE 512*1024 /* 512k */ 27 #define SETUP_MAX_SIZE 32768 28 29 #define SETUP_START_OFFSET 0x200 30 #define BZIMAGE_LOAD_ADDR 0x100000 31 #define ZIMAGE_LOAD_ADDR 0x10000 32 33 struct boot_params *load_zimage(char *image, unsigned long kernel_size, 34 ulong *load_addressp); 35 int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot, 36 unsigned long initrd_addr, unsigned long initrd_size); 37 void setup_video(struct screen_info *screen_info); 38 39 #endif 40