45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
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* (C) Copyright 2002
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* Daniel Engström, Omicron Ceti AB, daniel@omicron.se
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _ASM_ZIMAGE_H_
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#define _ASM_ZIMAGE_H_
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#include <asm/bootparam.h>
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#include <asm/e820.h>
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/* linux i386 zImage/bzImage header. Offsets relative to
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* the start of the image */
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#define HEAP_FLAG 0x80
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#define BIG_KERNEL_FLAG 0x01
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/* magic numbers */
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#define KERNEL_MAGIC 0xaa55
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#define KERNEL_V2_MAGIC 0x53726448
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#define COMMAND_LINE_MAGIC 0xA33F
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/* limits */
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#define BZIMAGE_MAX_SIZE 15*1024*1024 /* 15MB */
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#define ZIMAGE_MAX_SIZE 512*1024 /* 512k */
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#define SETUP_MAX_SIZE 32768
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#define SETUP_START_OFFSET 0x200
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#define BZIMAGE_LOAD_ADDR 0x100000
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#define ZIMAGE_LOAD_ADDR 0x10000
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/* Implementation defined function to install an e820 map. */
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unsigned install_e820_map(unsigned max_entries, struct e820entry *);
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struct boot_params *load_zimage(char *image, unsigned long kernel_size,
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void **load_address);
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int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
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unsigned long initrd_addr, unsigned long initrd_size);
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void boot_zimage(void *setup_base, void *load_address);
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#endif
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