Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
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 efi_loader_signature;
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 efi_systab_hi;
64 __u32 efi_memmap_hi;
65};
66
67/* The so-called "zeropage" */
68struct boot_params {
69 struct screen_info screen_info; /* 0x000 */
70 struct apm_bios_info apm_bios_info; /* 0x040 */
71 __u8 _pad2[12]; /* 0x054 */
72 struct ist_info ist_info; /* 0x060 */
73 __u8 _pad3[16]; /* 0x070 */
74 __u8 hd0_info[16]; /* obsolete! */ /* 0x080 */
75 __u8 hd1_info[16]; /* obsolete! */ /* 0x090 */
76 struct sys_desc_table sys_desc_table; /* 0x0a0 */
77 __u8 _pad4[144]; /* 0x0b0 */
78 struct edid_info edid_info; /* 0x140 */
79 struct efi_info efi_info; /* 0x1c0 */
80 __u32 alt_mem_k; /* 0x1e0 */
81 __u32 scratch; /* Scratch field! */ /* 0x1e4 */
82 __u8 e820_entries; /* 0x1e8 */
83 __u8 eddbuf_entries; /* 0x1e9 */
84 __u8 edd_mbr_sig_buf_entries; /* 0x1ea */
85 __u8 _pad6[6]; /* 0x1eb */
86 struct setup_header hdr; /* setup header */ /* 0x1f1 */
87 __u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
88 __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */
89 struct e820entry e820_map[E820MAX]; /* 0x2d0 */
90 __u8 _pad8[48]; /* 0xcd0 */
91 struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */
92 __u8 _pad9[276]; /* 0xeec */
93} __attribute__((packed));
94
95#endif /* _ASM_BOOTPARAM_H */