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#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 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