zimage.h 1.0 KB

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