1#ifndef _ASM_BOOTPARAM_H
2#define _ASM_BOOTPARAM_H
3
4#include <linux/types.h>
5#include <linux/screen_info.h>
6#include <linux/apm_bios.h>
7#include <linux/edd.h>
8#include <asm/e820.h>
9#include <asm/ist.h>
10#include <video/edid.h>
11
12struct setup_header {
13	__u8	setup_sects;
14	__u16	root_flags;
15	__u32	syssize;
16	__u16	ram_size;
17#define RAMDISK_IMAGE_START_MASK	0x07FF
18#define RAMDISK_PROMPT_FLAG		0x8000
19#define RAMDISK_LOAD_FLAG		0x4000
20	__u16	vid_mode;
21	__u16	root_dev;
22	__u16	boot_flag;
23	__u16	jump;
24	__u32	header;
25	__u16	version;
26	__u32	realmode_swtch;
27	__u16	start_sys;
28	__u16	kernel_version;
29	__u8	type_of_loader;
30	__u8	loadflags;
31#define LOADED_HIGH	(1<<0)
32#define KEEP_SEGMENTS	(1<<6)
33#define CAN_USE_HEAP	(1<<7)
34	__u16	setup_move_size;
35	__u32	code32_start;
36	__u32	ramdisk_image;
37	__u32	ramdisk_size;
38	__u32	bootsect_kludge;
39	__u16	heap_end_ptr;
40	__u16	_pad1;
41	__u32	cmd_line_ptr;
42	__u32	initrd_addr_max;
43	__u32	kernel_alignment;
44	__u8	relocatable_kernel;
45	__u8	_pad2[3];
46	__u32	cmdline_size;
47	__u32	hardware_subarch;
48	__u64	hardware_subarch_data;
49} __attribute__((packed));
50
51struct sys_desc_table {
52	__u16 length;
53	__u8  table[14];
54};
55
56struct efi_info {
57	__u32 _pad1;
58	__u32 efi_systab;
59	__u32 efi_memdesc_size;
60	__u32 efi_memdesc_version;
61	__u32 efi_memmap;
62	__u32 efi_memmap_size;
63	__u32 _pad2[2];
64};
65
66/* The so-called "zeropage" */
67struct boot_params {
68	struct screen_info screen_info;			/* 0x000 */
69	struct apm_bios_info apm_bios_info;		/* 0x040 */
70	__u8  _pad2[12];				/* 0x054 */
71	struct ist_info ist_info;			/* 0x060 */
72	__u8  _pad3[16];				/* 0x070 */
73	__u8  hd0_info[16];	/* obsolete! */		/* 0x080 */
74	__u8  hd1_info[16];	/* obsolete! */		/* 0x090 */
75	struct sys_desc_table sys_desc_table;		/* 0x0a0 */
76	__u8  _pad4[144];				/* 0x0b0 */
77	struct edid_info edid_info;			/* 0x140 */
78	struct efi_info efi_info;			/* 0x1c0 */
79	__u32 alt_mem_k;				/* 0x1e0 */
80	__u32 scratch;		/* Scratch field! */	/* 0x1e4 */
81	__u8  e820_entries;				/* 0x1e8 */
82	__u8  eddbuf_entries;				/* 0x1e9 */
83	__u8  edd_mbr_sig_buf_entries;			/* 0x1ea */
84	__u8  _pad6[6];					/* 0x1eb */
85	struct setup_header hdr;    /* setup header */	/* 0x1f1 */
86	__u8  _pad7[0x290-0x1f1-sizeof(struct setup_header)];
87	__u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];	/* 0x290 */
88	struct e820entry e820_map[E820MAX];		/* 0x2d0 */
89	__u8  _pad8[48];				/* 0xcd0 */
90	struct edd_info eddbuf[EDDMAXNR];		/* 0xd00 */
91	__u8  _pad9[276];				/* 0xeec */
92} __attribute__((packed));
93
94#endif /* _ASM_BOOTPARAM_H */
95