| |
| #ifndef _X86_64_BOOTSETUP_H |
| #define _X86_64_BOOTSETUP_H 1 |
| |
| extern char x86_boot_params[2048]; |
| |
| /* |
| * This is set up by the setup-routine at boot-time |
| */ |
| #define PARAM ((unsigned char *)x86_boot_params) |
| #define SCREEN_INFO (*(struct screen_info *) (PARAM+0)) |
| #define EXT_MEM_K (*(unsigned short *) (PARAM+2)) |
| #define ALT_MEM_K (*(unsigned int *) (PARAM+0x1e0)) |
| #define E820_MAP_NR (*(char*) (PARAM+E820NR)) |
| #define E820_MAP ((struct e820entry *) (PARAM+E820MAP)) |
| #define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40)) |
| #define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80)) |
| #define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0)) |
| #define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2)) |
| #define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8)) |
| #define ORIG_ROOT_DEV (*(unsigned short *) (PARAM+0x1FC)) |
| #define AUX_DEVICE_INFO (*(unsigned char *) (PARAM+0x1FF)) |
| #define LOADER_TYPE (*(unsigned char *) (PARAM+0x210)) |
| #define KERNEL_START (*(unsigned int *) (PARAM+0x214)) |
| #define INITRD_START (*(unsigned int *) (PARAM+0x218)) |
| #define INITRD_SIZE (*(unsigned int *) (PARAM+0x21c)) |
| #define COMMAND_LINE saved_command_line |
| #define COMMAND_LINE_SIZE 256 |
| |
| #define RAMDISK_IMAGE_START_MASK 0x07FF |
| #define RAMDISK_PROMPT_FLAG 0x8000 |
| #define RAMDISK_LOAD_FLAG 0x4000 |
| |
| #endif |
