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CHIP-linux-l...
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arch
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m32r
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boot
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compressed
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boot.h

boot.h 1.6 KB
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  1. /*
    2. 

  2.  * 1. load vmlinuz
    3. 

  3.  *
    4. 

  4.  * CONFIG_MEMORY_START  	+-----------------------+
    5. 

  5.  *				|        vmlinuz	|
    6. 

  6.  *				+-----------------------+
    7. 

  7.  * 2. decompressed
    8. 

  8.  *
    9. 

  9.  * CONFIG_MEMORY_START  	+-----------------------+
    10. 

  10.  *				|        vmlinuz	|
    11. 

  11.  *				+-----------------------+
    12. 

  12.  *				|			|
    13. 

  13.  * BOOT_RELOC_ADDR		+-----------------------+
    14. 

  14.  *				|		 	|
    15. 

  15.  * KERNEL_DECOMPRESS_ADDR 	+-----------------------+
    16. 

  16.  *				|  	vmlinux		|
    17. 

  17.  *				+-----------------------+
    18. 

  18.  *
    19. 

  19.  * 3. relocate copy & jump code
    20. 

  20.  *
    21. 

  21.  * CONFIG_MEMORY_START  	+-----------------------+
    22. 

  22.  *				|        vmlinuz	|
    23. 

  23.  *				+-----------------------+
    24. 

  24.  *				|			|
    25. 

  25.  * BOOT_RELOC_ADDR		+-----------------------+
    26. 

  26.  *				|    boot(copy&jump)	|
    27. 

  27.  * KERNEL_DECOMPRESS_ADDR 	+-----------------------+
    28. 

  28.  *				|  	vmlinux		|
    29. 

  29.  *				+-----------------------+
    30. 

  30.  *
    31. 

  31.  * 4. relocate decompressed kernel
    32. 

  32.  *
    33. 

  33.  * CONFIG_MEMORY_START  	+-----------------------+
    34. 

  34.  *				|        vmlinux	|
    35. 

  35.  *				+-----------------------+
    36. 

  36.  *				|			|
    37. 

  37.  * BOOT_RELOC_ADDR		+-----------------------+
    38. 

  38.  *				|     boot(copy&jump) 	|
    39. 

  39.  * KERNEL_DECOMPRESS_ADDR 	+-----------------------+
    40. 

  40.  *				|  			|
    41. 

  41.  *				+-----------------------+
    42. 

  42.  *
    43. 

  43.  */
    44. 

  44. #ifdef __ASSEMBLY__
    45. 

  45. #define __val(x)	x
    46. 

  46. #else
    47. 

  47. #define __val(x)	(x)
    48. 

  48. #endif
    49. 

  49. 

  50. #define DECOMPRESS_OFFSET_BASE	__val(0x00900000)
    51. 

  51. #define BOOT_RELOC_SIZE		__val(0x00001000)
    52. 

  52. 

  53. #define KERNEL_EXEC_ADDR	__val(CONFIG_MEMORY_START)
    54. 

  54. #define KERNEL_DECOMPRESS_ADDR	__val(CONFIG_MEMORY_START + \
    55. 

  55. 				      DECOMPRESS_OFFSET_BASE + BOOT_RELOC_SIZE)
    56. 

  56. #define KERNEL_ENTRY		__val(CONFIG_MEMORY_START + 0x1000)
    57. 

  57. 

  58. #define BOOT_EXEC_ADDR		__val(CONFIG_MEMORY_START)
    59. 

  59. #define BOOT_RELOC_ADDR		__val(CONFIG_MEMORY_START + DECOMPRESS_OFFSET_BASE)
    60. 

  60.