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include
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asm-x86
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bootparam.h

bootparam.h 2.4 KB
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  1. #ifndef _ASM_BOOTPARAM_H
    2. 

  2. #define _ASM_BOOTPARAM_H
    3. 

  3. 

  4. #include <linux/types.h>
    5. 

  5. #include <linux/screen_info.h>
    6. 

  6. #include <linux/apm_bios.h>
    7. 

  7. #include <linux/edd.h>
    8. 

  8. #include <asm/e820.h>
    9. 

  9. #include <asm/ist.h>
    10. 

  10. #include <video/edid.h>
    11. 

  11. 

  12. struct setup_header {
    13. 

  13. 	__u8	setup_sects;
    14. 

  14. 	__u16	root_flags;
    15. 

  15. 	__u32	syssize;
    16. 

  16. 	__u16	ram_size;
    17. 

  17. #define RAMDISK_IMAGE_START_MASK	0x07FF
    18. 

  18. #define RAMDISK_PROMPT_FLAG		0x8000
    19. 

  19. #define RAMDISK_LOAD_FLAG		0x4000
    20. 

  20. 	__u16	vid_mode;
    21. 

  21. 	__u16	root_dev;
    22. 

  22. 	__u16	boot_flag;
    23. 

  23. 	__u16	jump;
    24. 

  24. 	__u32	header;
    25. 

  25. 	__u16	version;
    26. 

  26. 	__u32	realmode_swtch;
    27. 

  27. 	__u16	start_sys;
    28. 

  28. 	__u16	kernel_version;
    29. 

  29. 	__u8	type_of_loader;
    30. 

  30. 	__u8	loadflags;
    31. 

  31. #define LOADED_HIGH	(1<<0)
    32. 

  32. #define KEEP_SEGMENTS	(1<<6)
    33. 

  33. #define CAN_USE_HEAP	(1<<7)
    34. 

  34. 	__u16	setup_move_size;
    35. 

  35. 	__u32	code32_start;
    36. 

  36. 	__u32	ramdisk_image;
    37. 

  37. 	__u32	ramdisk_size;
    38. 

  38. 	__u32	bootsect_kludge;
    39. 

  39. 	__u16	heap_end_ptr;
    40. 

  40. 	__u16	_pad1;
    41. 

  41. 	__u32	cmd_line_ptr;
    42. 

  42. 	__u32	initrd_addr_max;
    43. 

  43. 	__u32	kernel_alignment;
    44. 

  44. 	__u8	relocatable_kernel;
    45. 

  45. 	__u8	_pad2[3];
    46. 

  46. 	__u32	cmdline_size;
    47. 

  47. 	__u32	hardware_subarch;
    48. 

  48. 	__u64	hardware_subarch_data;
    49. 

  49. } __attribute__((packed));
    50. 

  50. 

  51. struct sys_desc_table {
    52. 

  52. 	__u16 length;
    53. 

  53. 	__u8  table[14];
    54. 

  54. };
    55. 

  55. 

  56. struct efi_info {
    57. 

  57. 	__u32 efi_loader_signature;
    58. 

  58. 	__u32 efi_systab;
    59. 

  59. 	__u32 efi_memdesc_size;
    60. 

  60. 	__u32 efi_memdesc_version;
    61. 

  61. 	__u32 efi_memmap;
    62. 

  62. 	__u32 efi_memmap_size;
    63. 

  63. 	__u32 efi_systab_hi;
    64. 

  64. 	__u32 efi_memmap_hi;
    65. 

  65. };
    66. 

  66. 

  67. /* The so-called "zeropage" */
    68. 

  68. struct boot_params {
    69. 

  69. 	struct screen_info screen_info;			/* 0x000 */
    70. 

  70. 	struct apm_bios_info apm_bios_info;		/* 0x040 */
    71. 

  71. 	__u8  _pad2[12];				/* 0x054 */
    72. 

  72. 	struct ist_info ist_info;			/* 0x060 */
    73. 

  73. 	__u8  _pad3[16];				/* 0x070 */
    74. 

  74. 	__u8  hd0_info[16];	/* obsolete! */		/* 0x080 */
    75. 

  75. 	__u8  hd1_info[16];	/* obsolete! */		/* 0x090 */
    76. 

  76. 	struct sys_desc_table sys_desc_table;		/* 0x0a0 */
    77. 

  77. 	__u8  _pad4[144];				/* 0x0b0 */
    78. 

  78. 	struct edid_info edid_info;			/* 0x140 */
    79. 

  79. 	struct efi_info efi_info;			/* 0x1c0 */
    80. 

  80. 	__u32 alt_mem_k;				/* 0x1e0 */
    81. 

  81. 	__u32 scratch;		/* Scratch field! */	/* 0x1e4 */
    82. 

  82. 	__u8  e820_entries;				/* 0x1e8 */
    83. 

  83. 	__u8  eddbuf_entries;				/* 0x1e9 */
    84. 

  84. 	__u8  edd_mbr_sig_buf_entries;			/* 0x1ea */
    85. 

  85. 	__u8  _pad6[6];					/* 0x1eb */
    86. 

  86. 	struct setup_header hdr;    /* setup header */	/* 0x1f1 */
    87. 

  87. 	__u8  _pad7[0x290-0x1f1-sizeof(struct setup_header)];
    88. 

  88. 	__u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];	/* 0x290 */
    89. 

  89. 	struct e820entry e820_map[E820MAX];		/* 0x2d0 */
    90. 

  90. 	__u8  _pad8[48];				/* 0xcd0 */
    91. 

  91. 	struct edd_info eddbuf[EDDMAXNR];		/* 0xd00 */
    92. 

  92. 	__u8  _pad9[276];				/* 0xeec */
    93. 

  93. } __attribute__((packed));
    94. 

  94. 

  95. #endif /* _ASM_BOOTPARAM_H */
    96.