zimage.h 1.6 KB

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  1. /*
  2. * (C) Copyright 2002
  3. * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. #ifndef _ASM_ZIMAGE_H_
  24. #define _ASM_ZIMAGE_H_
  25. /* linux i386 zImage/bzImage header. Offsets relative to
  26. * the start of the image */
  27. #define HEAP_FLAG 0x80
  28. #define BIG_KERNEL_FLAG 0x01
  29. /* magic numbers */
  30. #define KERNEL_MAGIC 0xaa55
  31. #define KERNEL_V2_MAGIC 0x53726448
  32. #define COMMAND_LINE_MAGIC 0xA33F
  33. /* limits */
  34. #define BZIMAGE_MAX_SIZE 15*1024*1024 /* 15MB */
  35. #define ZIMAGE_MAX_SIZE 512*1024 /* 512k */
  36. #define SETUP_MAX_SIZE 32768
  37. #define SETUP_START_OFFSET 0x200
  38. #define BZIMAGE_LOAD_ADDR 0x100000
  39. #define ZIMAGE_LOAD_ADDR 0x10000
  40. void *load_zimage(char *image, unsigned long kernel_size,
  41. unsigned long initrd_addr, unsigned long initrd_size,
  42. int auto_boot);
  43. void boot_zimage(void *setup_base);
  44. #endif