OvmfPkg/Include/IndustryStandard/LinuxBzimage.h

   1 /** @file
   2
   3   Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>
   4   This program and the accompanying materials
   5   are licensed and made available under the terms and conditions of the BSD License
   6   which accompanies this distribution.  The full text of the license may be found at
   7   http://opensource.org/licenses/bsd-license.php
   8
   9   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 **/
  13
  14 #ifndef __LINUX_BZIMAGE_H__
  15 #define __LINUX_BZIMAGE_H__
  16
  17 #define BOOTSIG                 0x1FE
  18 #define SETUP_HDR               0x53726448      /* 0x53726448 == "HdrS" */
  19
  20 #define E820_RAM                1
  21 #define E820_RESERVED           2
  22 #define E820_ACPI               3
  23 #define E820_NVS                4
  24 #define E820_UNUSABLE           5
  25
  26 #pragma pack(1)
  27
  28 struct setup_header {
  29         UINT8 setup_secs;       /* Sectors for setup code */
  30         UINT16 root_flags;
  31         UINT32 sys_size;
  32         UINT16 ram_size;
  33         UINT16 video_mode;
  34         UINT16 root_dev;
  35         UINT16 signature;       /* Boot signature */
  36         UINT16 jump;
  37         UINT32 header;
  38         UINT16 version;
  39         UINT16 su_switch;
  40         UINT16 setup_seg;
  41         UINT16 start_sys;
  42         UINT16 kernel_ver;
  43         UINT8 loader_id;
  44         UINT8 load_flags;
  45         UINT16 movesize;
  46         UINT32 code32_start;    /* Start of code loaded high */
  47         UINT32 ramdisk_start;   /* Start of initial ramdisk */
  48         UINT32 ramdisk_len;     /* Length of initial ramdisk */
  49         UINT32 bootsect_kludge;
  50         UINT16 heap_end;
  51         UINT8 ext_loader_ver;  /* Extended boot loader version */
  52         UINT8 ext_loader_type; /* Extended boot loader ID */
  53         UINT32 cmd_line_ptr;   /* 32-bit pointer to the kernel command line */
  54         UINT32 ramdisk_max;    /* Highest legal initrd address */
  55         UINT32 kernel_alignment; /* Physical addr alignment required for kernel */
  56         UINT8 relocatable_kernel; /* Whether kernel is relocatable or not */
  57         UINT8 min_alignment;
  58         UINT16 xloadflags;
  59         UINT32 cmdline_size;
  60         UINT32 hardware_subarch;
  61         UINT64 hardware_subarch_data;
  62         UINT32 payload_offset;
  63         UINT32 payload_length;
  64         UINT64 setup_data;
  65         UINT64 pref_address;
  66         UINT32 init_size;
  67         UINT32 handover_offset;
  68 };
  69
  70 struct efi_info {
  71         UINT32 efi_loader_signature;
  72         UINT32 efi_systab;
  73         UINT32 efi_memdesc_size;
  74         UINT32 efi_memdesc_version;
  75         UINT32 efi_memmap;
  76         UINT32 efi_memmap_size;
  77         UINT32 efi_systab_hi;
  78         UINT32 efi_memmap_hi;
  79 };
  80
  81 struct e820_entry {
  82         UINT64 addr;            /* start of memory segment */
  83         UINT64 size;            /* size of memory segment */
  84         UINT32 type;            /* type of memory segment */
  85 };
  86
  87 struct screen_info {
  88         UINT8  orig_x;           /* 0x00 */
  89         UINT8  orig_y;           /* 0x01 */
  90         UINT16 ext_mem_k;        /* 0x02 */
  91         UINT16 orig_video_page;  /* 0x04 */
  92         UINT8  orig_video_mode;  /* 0x06 */
  93         UINT8  orig_video_cols;  /* 0x07 */
  94         UINT8  flags;            /* 0x08 */
  95         UINT8  unused2;          /* 0x09 */
  96         UINT16 orig_video_ega_bx;/* 0x0a */
  97         UINT16 unused3;          /* 0x0c */
  98         UINT8  orig_video_lines; /* 0x0e */
  99         UINT8  orig_video_isVGA; /* 0x0f */
 100         UINT16 orig_video_points;/* 0x10 */
 101
 102         /* VESA graphic mode -- linear frame buffer */
 103         UINT16 lfb_width;        /* 0x12 */
 104         UINT16 lfb_height;       /* 0x14 */
 105         UINT16 lfb_depth;        /* 0x16 */
 106         UINT32 lfb_base;         /* 0x18 */
 107         UINT32 lfb_size;         /* 0x1c */
 108         UINT16 cl_magic, cl_offset; /* 0x20 */
 109         UINT16 lfb_linelength;   /* 0x24 */
 110         UINT8  red_size;         /* 0x26 */
 111         UINT8  red_pos;          /* 0x27 */
 112         UINT8  green_size;       /* 0x28 */
 113         UINT8  green_pos;        /* 0x29 */
 114         UINT8  blue_size;        /* 0x2a */
 115         UINT8  blue_pos;         /* 0x2b */
 116         UINT8  rsvd_size;        /* 0x2c */
 117         UINT8  rsvd_pos;         /* 0x2d */
 118         UINT16 vesapm_seg;       /* 0x2e */
 119         UINT16 vesapm_off;       /* 0x30 */
 120         UINT16 pages;            /* 0x32 */
 121         UINT16 vesa_attributes;  /* 0x34 */
 122         UINT32 capabilities;     /* 0x36 */
 123         UINT8  _reserved[6];     /* 0x3a */
 124 };
 125
 126 struct boot_params {
 127         struct screen_info screen_info;
 128         UINT8 apm_bios_info[0x14];
 129         UINT8 _pad2[4];
 130         UINT64 tboot_addr;
 131         UINT8 ist_info[0x10];
 132         UINT8 _pad3[16];
 133         UINT8 hd0_info[16];
 134         UINT8 hd1_info[16];
 135         UINT8 sys_desc_table[0x10];
 136         UINT8 olpc_ofw_header[0x10];
 137         UINT8 _pad4[128];
 138         UINT8 edid_info[0x80];
 139         struct efi_info efi_info;
 140         UINT32 alt_mem_k;
 141         UINT32 scratch;
 142         UINT8 e820_entries;
 143         UINT8 eddbuf_entries;
 144         UINT8 edd_mbr_sig_buf_entries;
 145         UINT8 _pad6[6];
 146         struct setup_header hdr;
 147         UINT8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
 148         UINT32 edd_mbr_sig_buffer[16];
 149         struct e820_entry e820_map[128];
 150         UINT8 _pad8[48];
 151         UINT8 eddbuf[0x1ec];
 152         UINT8 _pad9[276];
 153 };
 154
 155 typedef struct {
 156         UINT16 limit;
 157         UINT64 *base;
 158 } dt_addr_t;
 159
 160 #pragma pack()
 161
 162 extern EFI_STATUS setup_graphics(struct boot_params *buf);
 163
 164 #endif /* __LINUX_BZIMAGE_H__ */