| /* |
| * Copyright 2017, Data61 |
| * Commonwealth Scientific and Industrial Research Organisation (CSIRO) |
| * ABN 41 687 119 230. |
| * |
| * This software may be distributed and modified according to the terms of |
| * the GNU General Public License version 2. Note that NO WARRANTY is provided. |
| * See "LICENSE_GPLv2.txt" for details. |
| * |
| * @TAG(DATA61_GPL) |
| */ |
| |
| /* Pretty sure most of this header was ripped straight from Linux */ |
| |
| #pragma once |
| |
| #define EDD_MBR_SIG_MAX 16 /* max number of signatures to store */ |
| #define E820MAX 128 /* number of entries in E820MAP */ |
| #define EDDMAXNR 6 /* number of edd_info structs starting at EDDBUF */ |
| |
| #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */ |
| #define VIDEO_TYPE_CGA 0x11 /* CGA Display */ |
| #define VIDEO_TYPE_EGAM 0x20 /* EGA/VGA in Monochrome Mode */ |
| #define VIDEO_TYPE_EGAC 0x21 /* EGA in Color Mode */ |
| #define VIDEO_TYPE_VGAC 0x22 /* VGA+ in Color Mode */ |
| #define VIDEO_TYPE_VLFB 0x23 /* VESA VGA in graphic mode */ |
| #define VIDEO_TYPE_PICA_S3 0x30 /* ACER PICA-61 local S3 video */ |
| #define VIDEO_TYPE_MIPS_G364 0x31 /* MIPS Magnum 4000 G364 video */ |
| #define VIDEO_TYPE_SGI 0x33 /* Various SGI graphics hardware */ |
| #define VIDEO_TYPE_TGAC 0x40 /* DEC TGA */ |
| #define VIDEO_TYPE_SUN 0x50 /* Sun frame buffer. */ |
| #define VIDEO_TYPE_SUNPCI 0x51 /* Sun PCI based frame buffer. */ |
| #define VIDEO_TYPE_PMAC 0x60 /* PowerMacintosh frame buffer. */ |
| #define VIDEO_TYPE_EFI 0x70 /* EFI graphic mode */ |
| |
| struct screen_info { |
| uint8_t orig_x; /* 0x00 */ |
| uint8_t orig_y; /* 0x01 */ |
| uint16_t ext_mem_k; /* 0x02 */ |
| uint16_t orig_video_page; /* 0x04 */ |
| uint8_t orig_video_mode; /* 0x06 */ |
| uint8_t orig_video_cols; /* 0x07 */ |
| uint8_t flags; /* 0x08 */ |
| uint8_t unused2; /* 0x09 */ |
| uint16_t orig_video_ega_bx;/* 0x0a */ |
| uint16_t unused3; /* 0x0c */ |
| uint8_t orig_video_lines; /* 0x0e */ |
| uint8_t orig_video_isVGA; /* 0x0f */ |
| uint16_t orig_video_points;/* 0x10 */ |
| |
| /* VESA graphic mode -- linear frame buffer */ |
| uint16_t lfb_width; /* 0x12 */ |
| uint16_t lfb_height; /* 0x14 */ |
| uint16_t lfb_depth; /* 0x16 */ |
| uint32_t lfb_base; /* 0x18 */ |
| uint32_t lfb_size; /* 0x1c */ |
| uint16_t cl_magic, cl_offset; /* 0x20 */ |
| uint16_t lfb_linelength; /* 0x24 */ |
| uint8_t red_size; /* 0x26 */ |
| uint8_t red_pos; /* 0x27 */ |
| uint8_t green_size; /* 0x28 */ |
| uint8_t green_pos; /* 0x29 */ |
| uint8_t blue_size; /* 0x2a */ |
| uint8_t blue_pos; /* 0x2b */ |
| uint8_t rsvd_size; /* 0x2c */ |
| uint8_t rsvd_pos; /* 0x2d */ |
| uint16_t vesapm_seg; /* 0x2e */ |
| uint16_t vesapm_off; /* 0x30 */ |
| uint16_t pages; /* 0x32 */ |
| uint16_t vesa_attributes; /* 0x34 */ |
| uint32_t capabilities; /* 0x36 */ |
| uint8_t _reserved[6]; /* 0x3a */ |
| } __attribute__((packed)); |
| |
| struct apm_bios_info { |
| uint16_t version; |
| uint16_t cseg; |
| uint32_t offset; |
| uint16_t cseg_16; |
| uint16_t dseg; |
| uint16_t flags; |
| uint16_t cseg_len; |
| uint16_t cseg_16_len; |
| uint16_t dseg_len; |
| }; |
| |
| struct ist_info { |
| uint32_t signature; |
| uint32_t command; |
| uint32_t event; |
| uint32_t perf_level; |
| }; |
| |
| struct sys_desc_table { |
| uint16_t length; |
| uint8_t table[14]; |
| }; |
| |
| struct efi_info { |
| uint32_t efi_loader_signature; |
| uint32_t efi_systab; |
| uint32_t efi_memdesc_size; |
| uint32_t efi_memdesc_version; |
| uint32_t efi_memmap; |
| uint32_t efi_memmap_size; |
| uint32_t efi_systab_hi; |
| uint32_t efi_memmap_hi; |
| }; |
| |
| struct edid_info { |
| unsigned char dummy[128]; |
| }; |
| |
| struct setup_header { |
| uint8_t setup_sects; |
| uint16_t root_flags; |
| uint32_t syssize; |
| uint16_t ram_size; |
| #define RAMDISK_IMAGE_START_MASK 0x07FF |
| #define RAMDISK_PROMPT_FLAG 0x8000 |
| #define RAMDISK_LOAD_FLAG 0x4000 |
| uint16_t vid_mode; |
| uint16_t root_dev; |
| uint16_t boot_flag; |
| uint16_t jump; |
| uint32_t header; |
| uint16_t version; |
| uint32_t realmode_swtch; |
| uint16_t start_sys; |
| uint16_t kernel_version; |
| uint8_t type_of_loader; |
| uint8_t loadflags; |
| #define LOADED_HIGH (1<<0) |
| #define QUIET_FLAG (1<<5) |
| #define KEEP_SEGMENTS (1<<6) |
| #define CAN_USE_HEAP (1<<7) |
| uint16_t setup_move_size; |
| uint32_t code32_start; |
| uint32_t ramdisk_image; |
| uint32_t ramdisk_size; |
| uint32_t bootsect_kludge; |
| uint16_t heap_end_ptr; |
| uint8_t ext_loader_ver; |
| uint8_t ext_loader_type; |
| uint32_t cmd_line_ptr; |
| uint32_t initrd_addr_max; |
| uint32_t kernel_alignment; |
| uint8_t relocatable_kernel; |
| uint8_t _pad2[3]; |
| uint32_t cmdline_size; |
| uint32_t hardware_subarch; |
| uint64_t hardware_subarch_data; |
| uint32_t payload_offset; |
| uint32_t payload_length; |
| uint64_t setup_data; |
| } __attribute__((packed)); |
| |
| struct e820entry { |
| uint64_t addr; /* Start of memory segment */ |
| uint64_t size; /* Size of memory segment */ |
| uint32_t type; /* Type of memory segment */ |
| } __attribute__((packed)); |
| |
| struct edd_device_params { |
| uint16_t length; |
| uint16_t info_flags; |
| uint32_t num_default_cylinders; |
| uint32_t num_default_heads; |
| uint32_t sectors_per_track; |
| uint64_t number_of_sectors; |
| uint16_t bytes_per_sector; |
| uint32_t dpte_ptr; /* 0xFFFFFFFF for our purposes */ |
| uint16_t key; /* = 0xBEDD */ |
| uint8_t device_path_info_length; /* = 44 */ |
| uint8_t reserved2; |
| uint16_t reserved3; |
| uint8_t host_bus_type[4]; |
| uint8_t interface_type[8]; |
| union { |
| struct { |
| uint16_t base_address; |
| uint16_t reserved1; |
| uint32_t reserved2; |
| } __attribute__ ((packed)) isa; |
| struct { |
| uint8_t bus; |
| uint8_t slot; |
| uint8_t function; |
| uint8_t channel; |
| uint32_t reserved; |
| } __attribute__ ((packed)) pci; |
| /* pcix is same as pci */ |
| struct { |
| uint64_t reserved; |
| } __attribute__ ((packed)) ibnd; |
| struct { |
| uint64_t reserved; |
| } __attribute__ ((packed)) xprs; |
| struct { |
| uint64_t reserved; |
| } __attribute__ ((packed)) htpt; |
| struct { |
| uint64_t reserved; |
| } __attribute__ ((packed)) unknown; |
| } interface_path; |
| union { |
| struct { |
| uint8_t device; |
| uint8_t reserved1; |
| uint16_t reserved2; |
| uint32_t reserved3; |
| uint64_t reserved4; |
| } __attribute__ ((packed)) ata; |
| struct { |
| uint8_t device; |
| uint8_t lun; |
| uint8_t reserved1; |
| uint8_t reserved2; |
| uint32_t reserved3; |
| uint64_t reserved4; |
| } __attribute__ ((packed)) atapi; |
| struct { |
| uint16_t id; |
| uint64_t lun; |
| uint16_t reserved1; |
| uint32_t reserved2; |
| } __attribute__ ((packed)) scsi; |
| struct { |
| uint64_t serial_number; |
| uint64_t reserved; |
| } __attribute__ ((packed)) usb; |
| struct { |
| uint64_t eui; |
| uint64_t reserved; |
| } __attribute__ ((packed)) i1394; |
| struct { |
| uint64_t wwid; |
| uint64_t lun; |
| } __attribute__ ((packed)) fibre; |
| struct { |
| uint64_t identity_tag; |
| uint64_t reserved; |
| } __attribute__ ((packed)) i2o; |
| struct { |
| uint32_t array_number; |
| uint32_t reserved1; |
| uint64_t reserved2; |
| } __attribute__ ((packed)) raid; |
| struct { |
| uint8_t device; |
| uint8_t reserved1; |
| uint16_t reserved2; |
| uint32_t reserved3; |
| uint64_t reserved4; |
| } __attribute__ ((packed)) sata; |
| struct { |
| uint64_t reserved1; |
| uint64_t reserved2; |
| } __attribute__ ((packed)) unknown; |
| } device_path; |
| uint8_t reserved4; |
| uint8_t checksum; |
| } __attribute__ ((packed)); |
| |
| struct edd_info { |
| uint8_t device; |
| uint8_t version; |
| uint16_t interface_support; |
| uint16_t legacy_max_cylinder; |
| uint8_t legacy_max_head; |
| uint8_t legacy_sectors_per_track; |
| struct edd_device_params params; |
| } __attribute__ ((packed)); |
| |
| struct boot_params { |
| struct screen_info screen_info; /* 0x000 */ |
| struct apm_bios_info apm_bios_info; /* 0x040 */ |
| uint8_t _pad2[4]; /* 0x054 */ |
| uint64_t tboot_addr; /* 0x058 */ |
| struct ist_info ist_info; /* 0x060 */ |
| uint8_t _pad3[16]; /* 0x070 */ |
| uint8_t hd0_info[16]; /* obsolete! */ /* 0x080 */ |
| uint8_t hd1_info[16]; /* obsolete! */ /* 0x090 */ |
| struct sys_desc_table sys_desc_table; /* 0x0a0 */ |
| uint8_t _pad4[144]; /* 0x0b0 */ |
| struct edid_info edid_info; /* 0x140 */ |
| struct efi_info efi_info; /* 0x1c0 */ |
| uint32_t alt_mem_k; /* 0x1e0 */ |
| uint32_t scratch; /* Scratch field! */ /* 0x1e4 */ |
| uint8_t e820_entries; /* 0x1e8 */ |
| uint8_t eddbuf_entries; /* 0x1e9 */ |
| uint8_t edd_mbr_sig_buf_entries; /* 0x1ea */ |
| uint8_t _pad6[6]; /* 0x1eb */ |
| struct setup_header hdr; /* setup header */ /* 0x1f1 */ |
| uint8_t _pad7[0x290-0x1f1-sizeof(struct setup_header)]; |
| uint32_t edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */ |
| struct e820entry e820_map[E820MAX]; /* 0x2d0 */ |
| uint8_t _pad8[48]; /* 0xcd0 */ |
| struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */ |
| uint8_t _pad9[276]; /* 0xeec */ |
| } __attribute__((packed)); |
| |
