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1da177e4 LT |
1 | |
2 | #ifndef _X86_64_BOOTSETUP_H | |
3 | #define _X86_64_BOOTSETUP_H 1 | |
4 | ||
f9ba7053 VP |
5 | #define BOOT_PARAM_SIZE 4096 |
6 | extern char x86_boot_params[BOOT_PARAM_SIZE]; | |
1da177e4 LT |
7 | |
8 | /* | |
9 | * This is set up by the setup-routine at boot-time | |
10 | */ | |
11 | #define PARAM ((unsigned char *)x86_boot_params) | |
12 | #define SCREEN_INFO (*(struct screen_info *) (PARAM+0)) | |
13 | #define EXT_MEM_K (*(unsigned short *) (PARAM+2)) | |
14 | #define ALT_MEM_K (*(unsigned int *) (PARAM+0x1e0)) | |
15 | #define E820_MAP_NR (*(char*) (PARAM+E820NR)) | |
16 | #define E820_MAP ((struct e820entry *) (PARAM+E820MAP)) | |
17 | #define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40)) | |
18 | #define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80)) | |
19 | #define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0)) | |
20 | #define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2)) | |
21 | #define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8)) | |
22 | #define SAVED_VIDEO_MODE (*(unsigned short *) (PARAM+0x1FA)) | |
23 | #define ORIG_ROOT_DEV (*(unsigned short *) (PARAM+0x1FC)) | |
24 | #define AUX_DEVICE_INFO (*(unsigned char *) (PARAM+0x1FF)) | |
25 | #define LOADER_TYPE (*(unsigned char *) (PARAM+0x210)) | |
26 | #define KERNEL_START (*(unsigned int *) (PARAM+0x214)) | |
27 | #define INITRD_START (*(unsigned int *) (PARAM+0x218)) | |
28 | #define INITRD_SIZE (*(unsigned int *) (PARAM+0x21c)) | |
29 | #define EDID_INFO (*(struct edid_info *) (PARAM+0x140)) | |
30 | #define EDD_NR (*(unsigned char *) (PARAM+EDDNR)) | |
31 | #define EDD_MBR_SIG_NR (*(unsigned char *) (PARAM+EDD_MBR_SIG_NR_BUF)) | |
32 | #define EDD_MBR_SIGNATURE ((unsigned int *) (PARAM+EDD_MBR_SIG_BUF)) | |
33 | #define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF)) | |
34 | #define COMMAND_LINE saved_command_line | |
35 | ||
36 | #define RAMDISK_IMAGE_START_MASK 0x07FF | |
37 | #define RAMDISK_PROMPT_FLAG 0x8000 | |
38 | #define RAMDISK_LOAD_FLAG 0x4000 | |
39 | ||
40 | #endif |