| 1 | /** @file
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| 2 |
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| 3 | Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>
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| 4 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 5 |
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| 6 | **/
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| 7 |
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| 8 | #ifndef __LINUX_BZIMAGE_H__
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| 9 | #define __LINUX_BZIMAGE_H__
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| 10 |
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| 11 | #define BOOTSIG 0x1FE
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| 12 | #define SETUP_HDR 0x53726448 /* 0x53726448 == "HdrS" */
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| 13 |
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| 14 | #define E820_RAM 1
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| 15 | #define E820_RESERVED 2
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| 16 | #define E820_ACPI 3
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| 17 | #define E820_NVS 4
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| 18 | #define E820_UNUSABLE 5
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| 19 |
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| 20 | #pragma pack(1)
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| 21 |
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| 22 | struct setup_header {
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| 23 | UINT8 setup_secs; /* Sectors for setup code */
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| 24 | UINT16 root_flags;
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| 25 | UINT32 sys_size;
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| 26 | UINT16 ram_size;
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| 27 | UINT16 video_mode;
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| 28 | UINT16 root_dev;
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| 29 | UINT16 signature; /* Boot signature */
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| 30 | UINT16 jump;
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| 31 | UINT32 header;
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| 32 | UINT16 version;
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| 33 | UINT16 su_switch;
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| 34 | UINT16 setup_seg;
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| 35 | UINT16 start_sys;
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| 36 | UINT16 kernel_ver;
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| 37 | UINT8 loader_id;
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| 38 | UINT8 load_flags;
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| 39 | UINT16 movesize;
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| 40 | UINT32 code32_start; /* Start of code loaded high */
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| 41 | UINT32 ramdisk_start; /* Start of initial ramdisk */
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| 42 | UINT32 ramdisk_len; /* Length of initial ramdisk */
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| 43 | UINT32 bootsect_kludge;
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| 44 | UINT16 heap_end;
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| 45 | UINT8 ext_loader_ver; /* Extended boot loader version */
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| 46 | UINT8 ext_loader_type; /* Extended boot loader ID */
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| 47 | UINT32 cmd_line_ptr; /* 32-bit pointer to the kernel command line */
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| 48 | UINT32 ramdisk_max; /* Highest legal initrd address */
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| 49 | UINT32 kernel_alignment; /* Physical addr alignment required for kernel */
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| 50 | UINT8 relocatable_kernel; /* Whether kernel is relocatable or not */
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| 51 | UINT8 min_alignment;
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| 52 | UINT16 xloadflags;
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| 53 | UINT32 cmdline_size;
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| 54 | UINT32 hardware_subarch;
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| 55 | UINT64 hardware_subarch_data;
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| 56 | UINT32 payload_offset;
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| 57 | UINT32 payload_length;
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| 58 | UINT64 setup_data;
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| 59 | UINT64 pref_address;
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| 60 | UINT32 init_size;
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| 61 | UINT32 handover_offset;
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| 62 | };
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| 63 |
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| 64 | struct efi_info {
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| 65 | UINT32 efi_loader_signature;
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| 66 | UINT32 efi_systab;
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| 67 | UINT32 efi_memdesc_size;
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| 68 | UINT32 efi_memdesc_version;
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| 69 | UINT32 efi_memmap;
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| 70 | UINT32 efi_memmap_size;
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| 71 | UINT32 efi_systab_hi;
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| 72 | UINT32 efi_memmap_hi;
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| 73 | };
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| 74 |
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| 75 | struct e820_entry {
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| 76 | UINT64 addr; /* start of memory segment */
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| 77 | UINT64 size; /* size of memory segment */
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| 78 | UINT32 type; /* type of memory segment */
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| 79 | };
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| 80 |
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| 81 | struct screen_info {
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| 82 | UINT8 orig_x; /* 0x00 */
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| 83 | UINT8 orig_y; /* 0x01 */
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| 84 | UINT16 ext_mem_k; /* 0x02 */
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| 85 | UINT16 orig_video_page; /* 0x04 */
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| 86 | UINT8 orig_video_mode; /* 0x06 */
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| 87 | UINT8 orig_video_cols; /* 0x07 */
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| 88 | UINT8 flags; /* 0x08 */
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| 89 | UINT8 unused2; /* 0x09 */
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| 90 | UINT16 orig_video_ega_bx;/* 0x0a */
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| 91 | UINT16 unused3; /* 0x0c */
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| 92 | UINT8 orig_video_lines; /* 0x0e */
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| 93 | UINT8 orig_video_isVGA; /* 0x0f */
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| 94 | UINT16 orig_video_points;/* 0x10 */
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| 95 |
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| 96 | /* VESA graphic mode -- linear frame buffer */
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| 97 | UINT16 lfb_width; /* 0x12 */
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| 98 | UINT16 lfb_height; /* 0x14 */
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| 99 | UINT16 lfb_depth; /* 0x16 */
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| 100 | UINT32 lfb_base; /* 0x18 */
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| 101 | UINT32 lfb_size; /* 0x1c */
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| 102 | UINT16 cl_magic, cl_offset; /* 0x20 */
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| 103 | UINT16 lfb_linelength; /* 0x24 */
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| 104 | UINT8 red_size; /* 0x26 */
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| 105 | UINT8 red_pos; /* 0x27 */
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| 106 | UINT8 green_size; /* 0x28 */
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| 107 | UINT8 green_pos; /* 0x29 */
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| 108 | UINT8 blue_size; /* 0x2a */
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| 109 | UINT8 blue_pos; /* 0x2b */
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| 110 | UINT8 rsvd_size; /* 0x2c */
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| 111 | UINT8 rsvd_pos; /* 0x2d */
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| 112 | UINT16 vesapm_seg; /* 0x2e */
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| 113 | UINT16 vesapm_off; /* 0x30 */
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| 114 | UINT16 pages; /* 0x32 */
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| 115 | UINT16 vesa_attributes; /* 0x34 */
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| 116 | UINT32 capabilities; /* 0x36 */
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| 117 | UINT8 _reserved[6]; /* 0x3a */
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| 118 | };
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| 119 |
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| 120 | struct boot_params {
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| 121 | struct screen_info screen_info;
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| 122 | UINT8 apm_bios_info[0x14];
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| 123 | UINT8 _pad2[4];
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| 124 | UINT64 tboot_addr;
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| 125 | UINT8 ist_info[0x10];
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| 126 | UINT8 _pad3[16];
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| 127 | UINT8 hd0_info[16];
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| 128 | UINT8 hd1_info[16];
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| 129 | UINT8 sys_desc_table[0x10];
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| 130 | UINT8 olpc_ofw_header[0x10];
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| 131 | UINT8 _pad4[128];
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| 132 | UINT8 edid_info[0x80];
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| 133 | struct efi_info efi_info;
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| 134 | UINT32 alt_mem_k;
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| 135 | UINT32 scratch;
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| 136 | UINT8 e820_entries;
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| 137 | UINT8 eddbuf_entries;
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| 138 | UINT8 edd_mbr_sig_buf_entries;
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| 139 | UINT8 _pad6[6];
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| 140 | struct setup_header hdr;
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| 141 | UINT8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
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| 142 | UINT32 edd_mbr_sig_buffer[16];
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| 143 | struct e820_entry e820_map[128];
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| 144 | UINT8 _pad8[48];
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| 145 | UINT8 eddbuf[0x1ec];
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| 146 | UINT8 _pad9[276];
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| 147 | };
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| 148 |
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| 149 | typedef struct {
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| 150 | UINT16 limit;
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| 151 | UINT64 *base;
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| 152 | } dt_addr_t;
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| 153 |
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| 154 | #pragma pack()
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| 155 |
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| 156 | extern EFI_STATUS setup_graphics(struct boot_params *buf);
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| 157 |
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| 158 | #endif /* __LINUX_BZIMAGE_H__ */
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