tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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 u16 vid_mode;
18 u16 root_dev;
19 u16 boot_flag;
20 u16 jump;
21 u32 header;
22 u16 version;
23 u32 realmode_swtch;
24 u16 start_sys;
25 u16 kernel_version;
26 u8 type_of_loader;
27 u8 loadflags;
28#define LOADED_HIGH 0x01
29#define CAN_USE_HEAP 0x80
30 u16 setup_move_size;
31 u32 code32_start;
32 u32 ramdisk_image;
33 u32 ramdisk_size;
34 u32 bootsect_kludge;
35 u16 heap_end_ptr;
36 u16 _pad1;
37 u32 cmd_line_ptr;
38 u32 initrd_addr_max;
39 u32 kernel_alignment;
40 u8 relocatable_kernel;
41} __attribute__((packed));
42
43struct sys_desc_table {
44 u16 length;
45 u8 table[14];
46};
47
48struct efi_info {
49 u32 _pad1;
50 u32 efi_systab;
51 u32 efi_memdesc_size;
52 u32 efi_memdesc_version;
53 u32 efi_memmap;
54 u32 efi_memmap_size;
55 u32 _pad2[2];
56};
57
58/* The so-called "zeropage" */
59struct boot_params {
60 struct screen_info screen_info; /* 0x000 */
61 struct apm_bios_info apm_bios_info; /* 0x040 */
62 u8 _pad2[12]; /* 0x054 */
63 struct ist_info ist_info; /* 0x060 */
64 u8 _pad3[16]; /* 0x070 */
65 u8 hd0_info[16]; /* obsolete! */ /* 0x080 */
66 u8 hd1_info[16]; /* obsolete! */ /* 0x090 */
67 struct sys_desc_table sys_desc_table; /* 0x0a0 */
68 u8 _pad4[144]; /* 0x0b0 */
69 struct edid_info edid_info; /* 0x140 */
70 struct efi_info efi_info; /* 0x1c0 */
71 u32 alt_mem_k; /* 0x1e0 */
72 u32 scratch; /* Scratch field! */ /* 0x1e4 */
73 u8 e820_entries; /* 0x1e8 */
74 u8 eddbuf_entries; /* 0x1e9 */
75 u8 edd_mbr_sig_buf_entries; /* 0x1ea */
76 u8 _pad6[6]; /* 0x1eb */
77 struct setup_header hdr; /* setup header */ /* 0x1f1 */
78 u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
79 u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */
80 struct e820entry e820_map[E820MAX]; /* 0x2d0 */
81 u8 _pad8[48]; /* 0xcd0 */
82 struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */
83 u8 _pad9[276]; /* 0xeec */
84} __attribute__((packed));
85
86#endif /* _ASM_BOOTPARAM_H */