OvmfPkg/Include/IndustryStandard/LinuxBzimage.h

   1 /** @file
   2
   3   Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>
   4   SPDX-License-Identifier: BSD-2-Clause-Patent
   5
   6 **/
   7
   8 #ifndef __LINUX_BZIMAGE_H__
   9 #define __LINUX_BZIMAGE_H__
  10
  11 #define BOOTSIG    0x1FE
  12 #define SETUP_HDR  0x53726448                   /* 0x53726448 == "HdrS" */
  13
  14 #define E820_RAM       1
  15 #define E820_RESERVED  2
  16 #define E820_ACPI      3
  17 #define E820_NVS       4
  18 #define E820_UNUSABLE  5
  19
  20 #pragma pack(1)
  21
  22 struct setup_header {
  23   UINT8     setup_secs;         /* Sectors for setup code */
  24   UINT16    root_flags;
  25   UINT32    sys_size;
  26   UINT16    ram_size;
  27   UINT16    video_mode;
  28   UINT16    root_dev;
  29   UINT16    signature;          /* Boot signature */
  30   UINT16    jump;
  31   UINT32    header;
  32   UINT16    version;
  33   UINT16    su_switch;
  34   UINT16    setup_seg;
  35   UINT16    start_sys;
  36   UINT16    kernel_ver;
  37   UINT8     loader_id;
  38   UINT8     load_flags;
  39   UINT16    movesize;
  40   UINT32    code32_start;       /* Start of code loaded high */
  41   UINT32    ramdisk_start;      /* Start of initial ramdisk */
  42   UINT32    ramdisk_len;        /* Length of initial ramdisk */
  43   UINT32    bootsect_kludge;
  44   UINT16    heap_end;
  45   UINT8     ext_loader_ver;     /* Extended boot loader version */
  46   UINT8     ext_loader_type;    /* Extended boot loader ID */
  47   UINT32    cmd_line_ptr;       /* 32-bit pointer to the kernel command line */
  48   UINT32    ramdisk_max;        /* Highest legal initrd address */
  49   UINT32    kernel_alignment;   /* Physical addr alignment required for kernel */
  50   UINT8     relocatable_kernel; /* Whether kernel is relocatable or not */
  51   UINT8     min_alignment;
  52   UINT16    xloadflags;
  53   UINT32    cmdline_size;
  54   UINT32    hardware_subarch;
  55   UINT64    hardware_subarch_data;
  56   UINT32    payload_offset;
  57   UINT32    payload_length;
  58   UINT64    setup_data;
  59   UINT64    pref_address;
  60   UINT32    init_size;
  61   UINT32    handover_offset;
  62 };
  63
  64 struct efi_info {
  65   UINT32    efi_loader_signature;
  66   UINT32    efi_systab;
  67   UINT32    efi_memdesc_size;
  68   UINT32    efi_memdesc_version;
  69   UINT32    efi_memmap;
  70   UINT32    efi_memmap_size;
  71   UINT32    efi_systab_hi;
  72   UINT32    efi_memmap_hi;
  73 };
  74
  75 struct e820_entry {
  76   UINT64    addr;               /* start of memory segment */
  77   UINT64    size;               /* size of memory segment */
  78   UINT32    type;               /* type of memory segment */
  79 };
  80
  81 struct screen_info {
  82   UINT8     orig_x;              /* 0x00 */
  83   UINT8     orig_y;              /* 0x01 */
  84   UINT16    ext_mem_k;           /* 0x02 */
  85   UINT16    orig_video_page;     /* 0x04 */
  86   UINT8     orig_video_mode;     /* 0x06 */
  87   UINT8     orig_video_cols;     /* 0x07 */
  88   UINT8     flags;               /* 0x08 */
  89   UINT8     unused2;             /* 0x09 */
  90   UINT16    orig_video_ega_bx;   /* 0x0a */
  91   UINT16    unused3;             /* 0x0c */
  92   UINT8     orig_video_lines;    /* 0x0e */
  93   UINT8     orig_video_isVGA;    /* 0x0f */
  94   UINT16    orig_video_points;   /* 0x10 */
  95
  96   /* VESA graphic mode -- linear frame buffer */
  97   UINT16    lfb_width;           /* 0x12 */
  98   UINT16    lfb_height;          /* 0x14 */
  99   UINT16    lfb_depth;           /* 0x16 */
 100   UINT32    lfb_base;            /* 0x18 */
 101   UINT32    lfb_size;            /* 0x1c */
 102   UINT16    cl_magic, cl_offset; /* 0x20 */
 103   UINT16    lfb_linelength;      /* 0x24 */
 104   UINT8     red_size;            /* 0x26 */
 105   UINT8     red_pos;             /* 0x27 */
 106   UINT8     green_size;          /* 0x28 */
 107   UINT8     green_pos;           /* 0x29 */
 108   UINT8     blue_size;           /* 0x2a */
 109   UINT8     blue_pos;            /* 0x2b */
 110   UINT8     rsvd_size;           /* 0x2c */
 111   UINT8     rsvd_pos;            /* 0x2d */
 112   UINT16    vesapm_seg;          /* 0x2e */
 113   UINT16    vesapm_off;          /* 0x30 */
 114   UINT16    pages;               /* 0x32 */
 115   UINT16    vesa_attributes;     /* 0x34 */
 116   UINT32    capabilities;        /* 0x36 */
 117   UINT8     _reserved[6];        /* 0x3a */
 118 };
 119
 120 struct boot_params {
 121   struct screen_info     screen_info;
 122   UINT8                  apm_bios_info[0x14];
 123   UINT8                  _pad2[4];
 124   UINT64                 tboot_addr;
 125   UINT8                  ist_info[0x10];
 126   UINT8                  _pad3[16];
 127   UINT8                  hd0_info[16];
 128   UINT8                  hd1_info[16];
 129   UINT8                  sys_desc_table[0x10];
 130   UINT8                  olpc_ofw_header[0x10];
 131   UINT8                  _pad4[128];
 132   UINT8                  edid_info[0x80];
 133   struct efi_info        efi_info;
 134   UINT32                 alt_mem_k;
 135   UINT32                 scratch;
 136   UINT8                  e820_entries;
 137   UINT8                  eddbuf_entries;
 138   UINT8                  edd_mbr_sig_buf_entries;
 139   UINT8                  _pad6[6];
 140   struct setup_header    hdr;
 141   UINT8                  _pad7[0x290-0x1f1-sizeof (struct setup_header)];
 142   UINT32                 edd_mbr_sig_buffer[16];
 143   struct e820_entry      e820_map[128];
 144   UINT8                  _pad8[48];
 145   UINT8                  eddbuf[0x1ec];
 146   UINT8                  _pad9[276];
 147 };
 148
 149 typedef struct {
 150   UINT16    limit;
 151   UINT64    *base;
 152 } dt_addr_t;
 153
 154 #pragma pack()
 155
 156 extern EFI_STATUS
 157 setup_graphics (
 158   struct boot_params  *buf
 159   );
 160
 161 #endif /* __LINUX_BZIMAGE_H__ */