bootparam.h - platform/hardware/intel/bootstub - Git at Google

 /* bootparms.h base on Linux kernel include/asm-x86/bootparam.h */

 #include "types.h"

 #define EDD_MBR_SIG_MAX 16
 #define E820MAX 128
 #define EDDMAXNR 6

 /* extensible setup data list node */
 struct setup_data {
 	__u64 next;
 	__u32 type;
 	__u32 len;
 	__u8 data[0];
 };

 struct screen_info {
 	__u8  orig_x;	   /* 0x00 */
 	__u8  orig_y;	   /* 0x01 */
 	__u16 ext_mem_k;	/* 0x02 */
 	__u16 orig_video_page;  /* 0x04 */
 	__u8  orig_video_mode;  /* 0x06 */
 	__u8  orig_video_cols;  /* 0x07 */
 	__u16 unused2;	  /* 0x08 */
 	__u16 orig_video_ega_bx;/* 0x0a */
 	__u16 unused3;	  /* 0x0c */
 	__u8  orig_video_lines; /* 0x0e */
 	__u8  orig_video_isVGA; /* 0x0f */
 	__u16 orig_video_points;/* 0x10 */

 	/* VESA graphic mode -- linear frame buffer */
 	__u16 lfb_width;	/* 0x12 */
 	__u16 lfb_height;       /* 0x14 */
 	__u16 lfb_depth;	/* 0x16 */
 	__u32 lfb_base;	 /* 0x18 */
 	__u32 lfb_size;	 /* 0x1c */
 	__u16 cl_magic, cl_offset; /* 0x20 */
 	__u16 lfb_linelength;   /* 0x24 */
 	__u8  red_size;	 /* 0x26 */
 	__u8  red_pos;	  /* 0x27 */
 	__u8  green_size;       /* 0x28 */
 	__u8  green_pos;	/* 0x29 */
 	__u8  blue_size;	/* 0x2a */
 	__u8  blue_pos;	 /* 0x2b */
 	__u8  rsvd_size;	/* 0x2c */
 	__u8  rsvd_pos;	 /* 0x2d */
 	__u16 vesapm_seg;       /* 0x2e */
 	__u16 vesapm_off;       /* 0x30 */
 	__u16 pages;	    /* 0x32 */
 	__u16 vesa_attributes;  /* 0x34 */
 	__u32 capabilities;     /* 0x36 */
 	__u8  _reserved[6];     /* 0x3a */
 } __attribute__((packed));

 struct apm_bios_info {
 	__u16   version;
 	__u16   cseg;
 	__u32   offset;
 	__u16   cseg_16;
 	__u16   dseg;
 	__u16   flags;
 	__u16   cseg_len;
 	__u16   cseg_16_len;
 	__u16   dseg_len;
 };

 struct ist_info {
 	__u32 signature;
 	__u32 command;
 	__u32 event;
 	__u32 perf_level;
 };

 struct sys_desc_table {
 	__u16 length;
 	__u8  table[14];
 };

 struct efi_info {
 	__u32 efi_loader_signature;
 	__u32 efi_systab;
 	__u32 efi_memdesc_size;
 	__u32 efi_memdesc_version;
 	__u32 efi_memmap;
 	__u32 efi_memmap_size;
 	__u32 efi_systab_hi;
 	__u32 efi_memmap_hi;
 };

 struct setup_header {
 	__u8	setup_sects;
 	__u16	root_flags;
 	__u32	syssize;
 	__u16	ram_size;
 	__u16	vid_mode;
 	__u16	root_dev;
 	__u16	boot_flag;
 	__u16	jump;
 	__u32	header;
 	__u16	version;
 	__u32	realmode_swtch;
 	__u16	start_sys;
 	__u16	kernel_version;
 	__u8	type_of_loader;
 	__u8	loadflags;
 	__u16	setup_move_size;
 	__u32	code32_start;
 	__u32	ramdisk_image;
 	__u32	ramdisk_size;
 	__u32	bootsect_kludge;
 	__u16	heap_end_ptr;
 	__u16	_pad1;
 	__u32	cmd_line_ptr;
 	__u32	initrd_addr_max;
 	__u32	kernel_alignment;
 	__u8	relocatable_kernel;
 	__u8	_pad2[3];
 	__u32	cmdline_size;
 	__u32	hardware_subarch;
 	__u64	hardware_subarch_data;
 	__u32	payload_offset;
 	__u32	payload_length;
 	__u64	setup_data;
 } __attribute__((packed));

 struct edid_info {
 	unsigned char dummy[128];
 };

 struct e820entry {
 	__u64 addr;     /* start of memory segment */
 	__u64 size;     /* size of memory segment */
 	__u32 type;     /* type of memory segment */
 } __attribute__((packed));

 struct edd_device_params {
 	__u16 length;
 	__u16 info_flags;
 	__u32 num_default_cylinders;
 	__u32 num_default_heads;
 	__u32 sectors_per_track;
 	__u64 number_of_sectors;
 	__u16 bytes_per_sector;
 	__u32 dpte_ptr;	 /* 0xFFFFFFFF for our purposes */
 	__u16 key;	      /* = 0xBEDD */
 	__u8 device_path_info_length;   /* = 44 */
 	__u8 reserved2;
 	__u16 reserved3;
 	__u8 host_bus_type[4];
 	__u8 interface_type[8];
 	union {
 		struct {
 			__u16 base_address;
 			__u16 reserved1;
 			__u32 reserved2;
 		} __attribute__ ((packed)) isa;
 		struct {
 			__u8 bus;
 			__u8 slot;
 			__u8 function;
 			__u8 channel;
 			__u32 reserved;
 		} __attribute__ ((packed)) pci;
 		/* pcix is same as pci */
 		struct {
 			__u64 reserved;
 		} __attribute__ ((packed)) ibnd;
 		struct {
 			__u64 reserved;
 		} __attribute__ ((packed)) xprs;
 		struct {
 			__u64 reserved;
 		} __attribute__ ((packed)) htpt;
 		struct {
 			__u64 reserved;
 		} __attribute__ ((packed)) unknown;
 	} interface_path;
 	union {
 		struct {
 			__u8 device;
 			__u8 reserved1;
 			__u16 reserved2;
 			__u32 reserved3;
 			__u64 reserved4;
 		} __attribute__ ((packed)) ata;
 		struct {
 			__u8 device;
 			__u8 lun;
 			__u8 reserved1;
 			__u8 reserved2;
 			__u32 reserved3;
 			__u64 reserved4;
 		} __attribute__ ((packed)) atapi;
 		struct {
 			__u16 id;
 			__u64 lun;
 			__u16 reserved1;
 			__u32 reserved2;
 		} __attribute__ ((packed)) scsi;
 		struct {
 			__u64 serial_number;
 			__u64 reserved;
 		} __attribute__ ((packed)) usb;
 		struct {
 			__u64 eui;
 			__u64 reserved;
 		} __attribute__ ((packed)) i1394;
 		struct {
 			__u64 wwid;
 			__u64 lun;
 		} __attribute__ ((packed)) fibre;
 		struct {
 			__u64 identity_tag;
 			__u64 reserved;
 		} __attribute__ ((packed)) i2o;
 	       struct {
 			__u32 array_number;
 			__u32 reserved1;
 			__u64 reserved2;
 		} __attribute__ ((packed)) raid;
 		struct {
 			__u8 device;
 			__u8 reserved1;
 			__u16 reserved2;
 			__u32 reserved3;
 			__u64 reserved4;
 		} __attribute__ ((packed)) sata;
 		struct {
 			__u64 reserved1;
 			__u64 reserved2;
 		} __attribute__ ((packed)) unknown;
 	} device_path;
 	__u8 reserved4;
 	__u8 checksum;
 } __attribute__ ((packed));

 struct edd_info {
 	__u8 device;
 	__u8 version;
 	__u16 interface_support;
 	__u16 legacy_max_cylinder;
 	__u8 legacy_max_head;
 	__u8 legacy_sectors_per_track;
 	struct edd_device_params params;
 } __attribute__ ((packed));

 /* The so-called "zeropage" */
 struct boot_params {
 	struct screen_info screen_info;			/* 0x000 */
 	struct apm_bios_info apm_bios_info;		/* 0x040 */
 	__u8  _pad2[12];				/* 0x054 */
 	struct ist_info ist_info;			/* 0x060 */
 	__u8  _pad3[16];				/* 0x070 */
 	__u8  hd0_info[16];	/* obsolete! */		/* 0x080 */
 	__u8  hd1_info[16];	/* obsolete! */		/* 0x090 */
 	struct sys_desc_table sys_desc_table;		/* 0x0a0 */
 	__u8  _pad4[144];				/* 0x0b0 */
 	struct edid_info edid_info;			/* 0x140 */
 	struct efi_info efi_info;			/* 0x1c0 */
 	__u32 alt_mem_k;				/* 0x1e0 */
 	__u32 scratch;		/* Scratch field! */	/* 0x1e4 */
 	__u8  e820_entries;				/* 0x1e8 */
 	__u8  eddbuf_entries;				/* 0x1e9 */
 	__u8  edd_mbr_sig_buf_entries;			/* 0x1ea */
 	__u8  _pad6[6];					/* 0x1eb */
 	struct setup_header hdr;    /* setup header */	/* 0x1f1 */
 	__u8  _pad7[0x290-0x1f1-sizeof(struct setup_header)];
 	__u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];	/* 0x290 */
 	struct e820entry e820_map[E820MAX];		/* 0x2d0 */
 	__u8  _pad8[48];				/* 0xcd0 */
 	struct edd_info eddbuf[EDDMAXNR];		/* 0xd00 */
 	__u8  _pad9[276];				/* 0xeec */
 } __attribute__((packed));
 #define X86_SUBARCH_PC			0
 #define X86_SUBARCH_LGUEST 		1
 #define X86_SUBARCH_XEN			2
 #define X86_SUBARCH_MRST		3
	/* bootparms.h base on Linux kernel include/asm-x86/bootparam.h */

	#include "types.h"

	#define EDD_MBR_SIG_MAX 16
	#define E820MAX 128
	#define EDDMAXNR 6

	/* extensible setup data list node */
	struct setup_data {
	__u64 next;
	__u32 type;
	__u32 len;
	__u8 data[0];
	};

	struct screen_info {
	__u8 orig_x; /* 0x00 */
	__u8 orig_y; /* 0x01 */
	__u16 ext_mem_k; /* 0x02 */
	__u16 orig_video_page; /* 0x04 */
	__u8 orig_video_mode; /* 0x06 */
	__u8 orig_video_cols; /* 0x07 */
	__u16 unused2; /* 0x08 */
	__u16 orig_video_ega_bx;/* 0x0a */
	__u16 unused3; /* 0x0c */
	__u8 orig_video_lines; /* 0x0e */
	__u8 orig_video_isVGA; /* 0x0f */
	__u16 orig_video_points;/* 0x10 */

	/* VESA graphic mode -- linear frame buffer */
	__u16 lfb_width; /* 0x12 */
	__u16 lfb_height; /* 0x14 */
	__u16 lfb_depth; /* 0x16 */
	__u32 lfb_base; /* 0x18 */
	__u32 lfb_size; /* 0x1c */
	__u16 cl_magic, cl_offset; /* 0x20 */
	__u16 lfb_linelength; /* 0x24 */
	__u8 red_size; /* 0x26 */
	__u8 red_pos; /* 0x27 */
	__u8 green_size; /* 0x28 */
	__u8 green_pos; /* 0x29 */
	__u8 blue_size; /* 0x2a */
	__u8 blue_pos; /* 0x2b */
	__u8 rsvd_size; /* 0x2c */
	__u8 rsvd_pos; /* 0x2d */
	__u16 vesapm_seg; /* 0x2e */
	__u16 vesapm_off; /* 0x30 */
	__u16 pages; /* 0x32 */
	__u16 vesa_attributes; /* 0x34 */
	__u32 capabilities; /* 0x36 */
	__u8 _reserved[6]; /* 0x3a */
	} __attribute__((packed));

	struct apm_bios_info {
	__u16 version;
	__u16 cseg;
	__u32 offset;
	__u16 cseg_16;
	__u16 dseg;
	__u16 flags;
	__u16 cseg_len;
	__u16 cseg_16_len;
	__u16 dseg_len;
	};

	struct ist_info {
	__u32 signature;
	__u32 command;
	__u32 event;
	__u32 perf_level;
	};

	struct sys_desc_table {
	__u16 length;
	__u8 table[14];
	};

	struct efi_info {
	__u32 efi_loader_signature;
	__u32 efi_systab;
	__u32 efi_memdesc_size;
	__u32 efi_memdesc_version;
	__u32 efi_memmap;
	__u32 efi_memmap_size;
	__u32 efi_systab_hi;
	__u32 efi_memmap_hi;
	};

	struct setup_header {
	__u8 setup_sects;
	__u16 root_flags;
	__u32 syssize;
	__u16 ram_size;
	__u16 vid_mode;
	__u16 root_dev;
	__u16 boot_flag;
	__u16 jump;
	__u32 header;
	__u16 version;
	__u32 realmode_swtch;
	__u16 start_sys;
	__u16 kernel_version;
	__u8 type_of_loader;
	__u8 loadflags;
	__u16 setup_move_size;
	__u32 code32_start;
	__u32 ramdisk_image;
	__u32 ramdisk_size;
	__u32 bootsect_kludge;
	__u16 heap_end_ptr;
	__u16 _pad1;
	__u32 cmd_line_ptr;
	__u32 initrd_addr_max;
	__u32 kernel_alignment;
	__u8 relocatable_kernel;
	__u8 _pad2[3];
	__u32 cmdline_size;
	__u32 hardware_subarch;
	__u64 hardware_subarch_data;
	__u32 payload_offset;
	__u32 payload_length;
	__u64 setup_data;
	} __attribute__((packed));

	struct edid_info {
	unsigned char dummy[128];
	};

	struct e820entry {
	__u64 addr; /* start of memory segment */
	__u64 size; /* size of memory segment */
	__u32 type; /* type of memory segment */
	} __attribute__((packed));

	struct edd_device_params {
	__u16 length;
	__u16 info_flags;
	__u32 num_default_cylinders;
	__u32 num_default_heads;
	__u32 sectors_per_track;
	__u64 number_of_sectors;
	__u16 bytes_per_sector;
	__u32 dpte_ptr; /* 0xFFFFFFFF for our purposes */
	__u16 key; /* = 0xBEDD */
	__u8 device_path_info_length; /* = 44 */
	__u8 reserved2;
	__u16 reserved3;
	__u8 host_bus_type[4];
	__u8 interface_type[8];
	union {
	struct {
	__u16 base_address;
	__u16 reserved1;
	__u32 reserved2;
	} __attribute__ ((packed)) isa;
	struct {
	__u8 bus;
	__u8 slot;
	__u8 function;
	__u8 channel;
	__u32 reserved;
	} __attribute__ ((packed)) pci;
	/* pcix is same as pci */
	struct {
	__u64 reserved;
	} __attribute__ ((packed)) ibnd;
	struct {
	__u64 reserved;
	} __attribute__ ((packed)) xprs;
	struct {
	__u64 reserved;
	} __attribute__ ((packed)) htpt;
	struct {
	__u64 reserved;
	} __attribute__ ((packed)) unknown;
	} interface_path;
	union {
	struct {
	__u8 device;
	__u8 reserved1;
	__u16 reserved2;
	__u32 reserved3;
	__u64 reserved4;
	} __attribute__ ((packed)) ata;
	struct {
	__u8 device;
	__u8 lun;
	__u8 reserved1;
	__u8 reserved2;
	__u32 reserved3;
	__u64 reserved4;
	} __attribute__ ((packed)) atapi;
	struct {
	__u16 id;
	__u64 lun;
	__u16 reserved1;
	__u32 reserved2;
	} __attribute__ ((packed)) scsi;
	struct {
	__u64 serial_number;
	__u64 reserved;
	} __attribute__ ((packed)) usb;
	struct {
	__u64 eui;
	__u64 reserved;
	} __attribute__ ((packed)) i1394;
	struct {
	__u64 wwid;
	__u64 lun;
	} __attribute__ ((packed)) fibre;
	struct {
	__u64 identity_tag;
	__u64 reserved;
	} __attribute__ ((packed)) i2o;
	struct {
	__u32 array_number;
	__u32 reserved1;
	__u64 reserved2;
	} __attribute__ ((packed)) raid;
	struct {
	__u8 device;
	__u8 reserved1;
	__u16 reserved2;
	__u32 reserved3;
	__u64 reserved4;
	} __attribute__ ((packed)) sata;
	struct {
	__u64 reserved1;
	__u64 reserved2;
	} __attribute__ ((packed)) unknown;
	} device_path;
	__u8 reserved4;
	__u8 checksum;
	} __attribute__ ((packed));

	struct edd_info {
	__u8 device;
	__u8 version;
	__u16 interface_support;
	__u16 legacy_max_cylinder;
	__u8 legacy_max_head;
	__u8 legacy_sectors_per_track;
	struct edd_device_params params;
	} __attribute__ ((packed));

	/* The so-called "zeropage" */
	struct boot_params {
	struct screen_info screen_info; /* 0x000 */
	struct apm_bios_info apm_bios_info; /* 0x040 */
	__u8 _pad2[12]; /* 0x054 */
	struct ist_info ist_info; /* 0x060 */
	__u8 _pad3[16]; /* 0x070 */
	__u8 hd0_info[16]; /* obsolete! / / 0x080 */
	__u8 hd1_info[16]; /* obsolete! / / 0x090 */
	struct sys_desc_table sys_desc_table; /* 0x0a0 */
	__u8 _pad4[144]; /* 0x0b0 */
	struct edid_info edid_info; /* 0x140 */
	struct efi_info efi_info; /* 0x1c0 */
	__u32 alt_mem_k; /* 0x1e0 */
	__u32 scratch; /* Scratch field! / / 0x1e4 */
	__u8 e820_entries; /* 0x1e8 */
	__u8 eddbuf_entries; /* 0x1e9 */
	__u8 edd_mbr_sig_buf_entries; /* 0x1ea */
	__u8 _pad6[6]; /* 0x1eb */
	struct setup_header hdr; /* setup header / / 0x1f1 */
	__u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
	__u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */
	struct e820entry e820_map[E820MAX]; /* 0x2d0 */
	__u8 _pad8[48]; /* 0xcd0 */
	struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */
	__u8 _pad9[276]; /* 0xeec */
	} __attribute__((packed));
	#define X86_SUBARCH_PC 0
	#define X86_SUBARCH_LGUEST 1
	#define X86_SUBARCH_XEN 2
	#define X86_SUBARCH_MRST 3