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
12/* setup data types */
13#define SETUP_NONE 0
14
15/* extensible setup data list node */
16struct setup_data {
17 __u64 next;
18 __u32 type;
19 __u32 len;
20 __u8 data[0];
21};
22
23struct setup_header {
24 __u8 setup_sects;
25 __u16 root_flags;
26 __u32 syssize;
27 __u16 ram_size;
28#define RAMDISK_IMAGE_START_MASK 0x07FF
29#define RAMDISK_PROMPT_FLAG 0x8000
30#define RAMDISK_LOAD_FLAG 0x4000
31 __u16 vid_mode;
32 __u16 root_dev;
33 __u16 boot_flag;
34 __u16 jump;
35 __u32 header;
36 __u16 version;
37 __u32 realmode_swtch;
38 __u16 start_sys;
39 __u16 kernel_version;
40 __u8 type_of_loader;
41 __u8 loadflags;
42#define LOADED_HIGH (1<<0)
43#define KEEP_SEGMENTS (1<<6)
44#define CAN_USE_HEAP (1<<7)
45 __u16 setup_move_size;
46 __u32 code32_start;
47 __u32 ramdisk_image;
48 __u32 ramdisk_size;
49 __u32 bootsect_kludge;
50 __u16 heap_end_ptr;
51 __u16 _pad1;
52 __u32 cmd_line_ptr;
53 __u32 initrd_addr_max;
54 __u32 kernel_alignment;
55 __u8 relocatable_kernel;
56 __u8 _pad2[3];
57 __u32 cmdline_size;
58 __u32 hardware_subarch;
59 __u64 hardware_subarch_data;
60 __u32 payload_offset;
61 __u32 payload_length;
62 __u64 setup_data;
63} __attribute__((packed));
64
65struct sys_desc_table {
66 __u16 length;
67 __u8 table[14];
68};
69
70struct efi_info {
71 __u32 efi_loader_signature;
72 __u32 efi_systab;
73 __u32 efi_memdesc_size;
74 __u32 efi_memdesc_version;
75 __u32 efi_memmap;
76 __u32 efi_memmap_size;
77 __u32 efi_systab_hi;
78 __u32 efi_memmap_hi;
79};
80
81/* The so-called "zeropage" */
82struct boot_params {
83 struct screen_info screen_info; /* 0x000 */
84 struct apm_bios_info apm_bios_info; /* 0x040 */
85 __u8 _pad2[12]; /* 0x054 */
86 struct ist_info ist_info; /* 0x060 */
87 __u8 _pad3[16]; /* 0x070 */
88 __u8 hd0_info[16]; /* obsolete! */ /* 0x080 */
89 __u8 hd1_info[16]; /* obsolete! */ /* 0x090 */
90 struct sys_desc_table sys_desc_table; /* 0x0a0 */
91 __u8 _pad4[144]; /* 0x0b0 */
92 struct edid_info edid_info; /* 0x140 */
93 struct efi_info efi_info; /* 0x1c0 */
94 __u32 alt_mem_k; /* 0x1e0 */
95 __u32 scratch; /* Scratch field! */ /* 0x1e4 */
96 __u8 e820_entries; /* 0x1e8 */
97 __u8 eddbuf_entries; /* 0x1e9 */
98 __u8 edd_mbr_sig_buf_entries; /* 0x1ea */
99 __u8 _pad6[6]; /* 0x1eb */
100 struct setup_header hdr; /* setup header */ /* 0x1f1 */
101 __u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
102 __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */
103 struct e820entry e820_map[E820MAX]; /* 0x2d0 */
104 __u8 _pad8[48]; /* 0xcd0 */
105 struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */
106 __u8 _pad9[276]; /* 0xeec */
107} __attribute__((packed));
108
109#endif /* _ASM_BOOTPARAM_H */