bootparam.h 2.1 KB

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  1. #ifndef _ASM_BOOTPARAM_H
  2. #define _ASM_BOOTPARAM_H
  3. #include <linux/types.h>
  4. #include <linux/screen_info.h>
  5. #include <linux/apm_bios.h>
  6. #include <asm/e820.h>
  7. #include <linux/edd.h>
  8. #include <video/edid.h>
  9. struct setup_header {
  10. u8 setup_sects;
  11. u16 root_flags;
  12. u32 syssize;
  13. u16 ram_size;
  14. u16 vid_mode;
  15. u16 root_dev;
  16. u16 boot_flag;
  17. u16 jump;
  18. u32 header;
  19. u16 version;
  20. u32 realmode_swtch;
  21. u16 start_sys;
  22. u16 kernel_version;
  23. u8 type_of_loader;
  24. u8 loadflags;
  25. #define LOADED_HIGH 0x01
  26. #define CAN_USE_HEAP 0x80
  27. u16 setup_move_size;
  28. u32 code32_start;
  29. u32 ramdisk_image;
  30. u32 ramdisk_size;
  31. u32 bootsect_kludge;
  32. u16 heap_end_ptr;
  33. u16 _pad1;
  34. u32 cmd_line_ptr;
  35. u32 initrd_addr_max;
  36. u32 kernel_alignment;
  37. u8 relocatable_kernel;
  38. } __attribute__((packed));
  39. struct sys_desc_table {
  40. u16 length;
  41. u8 table[14];
  42. };
  43. struct efi_info {
  44. u32 _pad1;
  45. u32 efi_systab;
  46. u32 efi_memdesc_size;
  47. u32 efi_memdec_version;
  48. u32 efi_memmap;
  49. u32 fi_memmap_size;
  50. u32 _pad2[2];
  51. };
  52. /* The so-called "zeropage" */
  53. struct boot_params {
  54. struct screen_info screen_info; /* 0x000 */
  55. struct apm_bios_info apm_bios_info; /* 0x040 */
  56. u8 _pad2[12]; /* 0x054 */
  57. u32 speedstep_info[4]; /* 0x060 */
  58. u8 _pad3[16]; /* 0x070 */
  59. u8 hd0_info[16]; /* obsolete! */ /* 0x080 */
  60. u8 hd1_info[16]; /* obsolete! */ /* 0x090 */
  61. struct sys_desc_table sys_desc_table; /* 0x0a0 */
  62. u8 _pad4[144]; /* 0x0b0 */
  63. struct edid_info edid_info; /* 0x140 */
  64. struct efi_info efi_info; /* 0x1c0 */
  65. u32 alt_mem_k; /* 0x1e0 */
  66. u32 scratch; /* Scratch field! */ /* 0x1e4 */
  67. u8 e820_entries; /* 0x1e8 */
  68. u8 eddbuf_entries; /* 0x1e9 */
  69. u8 edd_mbr_sig_buf_entries; /* 0x1ea */
  70. u8 _pad6[6]; /* 0x1eb */
  71. struct setup_header hdr; /* setup header */ /* 0x1f1 */
  72. u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
  73. u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */
  74. struct e820entry e820_map[E820MAX]; /* 0x2d0 */
  75. u8 _pad8[48]; /* 0xcd0 */
  76. struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */
  77. u8 _pad9[276]; /* 0xeec */
  78. } __attribute__((packed));
  79. #endif /* _ASM_BOOTPARAM_H */