1 #ifndef _ASM_BOOTPARAM_H 2 #define _ASM_BOOTPARAM_H 3 4 #include <linux/types.h> 5 #include <linux/screen_info.h> 6 #include <linux/apm_bios.h> 7 #include <linux/edd.h> 8 #include <asm/e820.h> 9 #include <asm/ist.h> 10 #include <video/edid.h> 11 12 struct setup_header { 13 __u8 setup_sects; 14 __u16 root_flags; 15 __u32 syssize; 16 __u16 ram_size; 17 #define RAMDISK_IMAGE_START_MASK 0x07FF 18 #define RAMDISK_PROMPT_FLAG 0x8000 19 #define RAMDISK_LOAD_FLAG 0x4000 20 __u16 vid_mode; 21 __u16 root_dev; 22 __u16 boot_flag; 23 __u16 jump; 24 __u32 header; 25 __u16 version; 26 __u32 realmode_swtch; 27 __u16 start_sys; 28 __u16 kernel_version; 29 __u8 type_of_loader; 30 __u8 loadflags; 31 #define LOADED_HIGH (1<<0) 32 #define KEEP_SEGMENTS (1<<6) 33 #define CAN_USE_HEAP (1<<7) 34 __u16 setup_move_size; 35 __u32 code32_start; 36 __u32 ramdisk_image; 37 __u32 ramdisk_size; 38 __u32 bootsect_kludge; 39 __u16 heap_end_ptr; 40 __u16 _pad1; 41 __u32 cmd_line_ptr; 42 __u32 initrd_addr_max; 43 __u32 kernel_alignment; 44 __u8 relocatable_kernel; 45 __u8 _pad2[3]; 46 __u32 cmdline_size; 47 __u32 hardware_subarch; 48 __u64 hardware_subarch_data; 49 } __attribute__((packed)); 50 51 struct sys_desc_table { 52 __u16 length; 53 __u8 table[14]; 54 }; 55 56 struct efi_info { 57 __u32 _pad1; 58 __u32 efi_systab; 59 __u32 efi_memdesc_size; 60 __u32 efi_memdesc_version; 61 __u32 efi_memmap; 62 __u32 efi_memmap_size; 63 __u32 _pad2[2]; 64 }; 65 66 /* The so-called "zeropage" */ 67 struct boot_params { 68 struct screen_info screen_info; /* 0x000 */ 69 struct apm_bios_info apm_bios_info; /* 0x040 */ 70 __u8 _pad2[12]; /* 0x054 */ 71 struct ist_info ist_info; /* 0x060 */ 72 __u8 _pad3[16]; /* 0x070 */ 73 __u8 hd0_info[16]; /* obsolete! */ /* 0x080 */ 74 __u8 hd1_info[16]; /* obsolete! */ /* 0x090 */ 75 struct sys_desc_table sys_desc_table; /* 0x0a0 */ 76 __u8 _pad4[144]; /* 0x0b0 */ 77 struct edid_info edid_info; /* 0x140 */ 78 struct efi_info efi_info; /* 0x1c0 */ 79 __u32 alt_mem_k; /* 0x1e0 */ 80 __u32 scratch; /* Scratch field! */ /* 0x1e4 */ 81 __u8 e820_entries; /* 0x1e8 */ 82 __u8 eddbuf_entries; /* 0x1e9 */ 83 __u8 edd_mbr_sig_buf_entries; /* 0x1ea */ 84 __u8 _pad6[6]; /* 0x1eb */ 85 struct setup_header hdr; /* setup header */ /* 0x1f1 */ 86 __u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)]; 87 __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */ 88 struct e820entry e820_map[E820MAX]; /* 0x2d0 */ 89 __u8 _pad8[48]; /* 0xcd0 */ 90 struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */ 91 __u8 _pad9[276]; /* 0xeec */ 92 } __attribute__((packed)); 93 94 #endif /* _ASM_BOOTPARAM_H */ 95
