diff options
Diffstat (limited to 'include/asm-x86_64/bootsetup.h')
-rw-r--r-- | include/asm-x86_64/bootsetup.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/asm-x86_64/bootsetup.h b/include/asm-x86_64/bootsetup.h new file mode 100644 index 000000000000..b570a484dc50 --- /dev/null +++ b/include/asm-x86_64/bootsetup.h | |||
@@ -0,0 +1,39 @@ | |||
1 | |||
2 | #ifndef _X86_64_BOOTSETUP_H | ||
3 | #define _X86_64_BOOTSETUP_H 1 | ||
4 | |||
5 | extern char x86_boot_params[2048]; | ||
6 | |||
7 | /* | ||
8 | * This is set up by the setup-routine at boot-time | ||
9 | */ | ||
10 | #define PARAM ((unsigned char *)x86_boot_params) | ||
11 | #define SCREEN_INFO (*(struct screen_info *) (PARAM+0)) | ||
12 | #define EXT_MEM_K (*(unsigned short *) (PARAM+2)) | ||
13 | #define ALT_MEM_K (*(unsigned int *) (PARAM+0x1e0)) | ||
14 | #define E820_MAP_NR (*(char*) (PARAM+E820NR)) | ||
15 | #define E820_MAP ((struct e820entry *) (PARAM+E820MAP)) | ||
16 | #define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40)) | ||
17 | #define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80)) | ||
18 | #define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0)) | ||
19 | #define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2)) | ||
20 | #define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8)) | ||
21 | #define SAVED_VIDEO_MODE (*(unsigned short *) (PARAM+0x1FA)) | ||
22 | #define ORIG_ROOT_DEV (*(unsigned short *) (PARAM+0x1FC)) | ||
23 | #define AUX_DEVICE_INFO (*(unsigned char *) (PARAM+0x1FF)) | ||
24 | #define LOADER_TYPE (*(unsigned char *) (PARAM+0x210)) | ||
25 | #define KERNEL_START (*(unsigned int *) (PARAM+0x214)) | ||
26 | #define INITRD_START (*(unsigned int *) (PARAM+0x218)) | ||
27 | #define INITRD_SIZE (*(unsigned int *) (PARAM+0x21c)) | ||
28 | #define EDID_INFO (*(struct edid_info *) (PARAM+0x140)) | ||
29 | #define EDD_NR (*(unsigned char *) (PARAM+EDDNR)) | ||
30 | #define EDD_MBR_SIG_NR (*(unsigned char *) (PARAM+EDD_MBR_SIG_NR_BUF)) | ||
31 | #define EDD_MBR_SIGNATURE ((unsigned int *) (PARAM+EDD_MBR_SIG_BUF)) | ||
32 | #define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF)) | ||
33 | #define COMMAND_LINE saved_command_line | ||
34 | |||
35 | #define RAMDISK_IMAGE_START_MASK 0x07FF | ||
36 | #define RAMDISK_PROMPT_FLAG 0x8000 | ||
37 | #define RAMDISK_LOAD_FLAG 0x4000 | ||
38 | |||
39 | #endif | ||