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; knl.h
;
; header file for knl.asm
;
; Copyright (C) 2000, Suzhe. See file COPYING and CREDITS for details.
;
%define MAX_NAME_LENGTH 15
%define MAX_KEYSTROKES 13
%define FAT16_DRVID_OFF 0x24 ; drive id offset in fat16
%define FAT16_HIDSEC_OFF 0x1C ; hidden sector offset in fat16
%define FAT16_EXTBRID_OFF 0x26 ; EXBRID offset in fat16
%define FAT32_DRVID_OFF 0x40
%define FAT32_HIDSEC_OFF 0x1C
%define FAT32_EXTBRID_OFF 0x42
%define EXTBRID 0x29 ; ext boot record id for fat
%define INFOFLAG_SCHEDULED 0x8000 ; 1000,0000,0000,0000B
%define INFOFLAG_HAVEKEYS 0x4000 ; 0100,0000,0000,0000B
%define INFOFLAG_SWAPDRVID 0x2000 ; 0010,0000,0000,0000B
%define INFOFLAG_AUTOACTIVE 0x1000 ; 0001,0000,0000,0000B
%define INFOFLAG_ACTIVE 0x0800 ; 0000,1000,0000,0000B
%define INFOFLAG_AUTOHIDE 0x0400 ; 0000,0100,0000,0000B
%define INFOFLAG_HIDDEN 0x0200 ; 0000,0010,0000,0000B
%define INFOFLAG_LOGICAL 0x0100 ; 0000,0001,0000,0000B
%define INFOFLAG_ISDRIVER 0x0080 ; 0000,0000,1000,0000B
%define INFOFLAG_ISSPECIAL 0X0008 ; 0000,0000,0000,1000B
%define SPREC_BOOTPREV 0
%define SPREC_QUIT 1
%define SPREC_POWEROFF 2
%define SPREC_RESTART 3
%define NUM_OF_SPREC 4
%define NUM_OF_INFOFLAGS 9
; structure for boot record, including removable drives and partitions
struc struc_bootrecord
.flags : resw 1 ; type flags of this record, see INFOFLAG_x
.drive_id : resb 1 ; drive id = 0 to 255
; partition id used in linux,
.part_id : resb 1 ; 1-4 for primary partitions,
; > 5 for logical partitions,
; 0 for driver or special bootrecord.
.type : resb 1 ; partition type, = 0 : not a partition
.reserved : resb 1 ;
.father_abs_addr : resd 1 ; father's LBA address
.abs_addr : resd 1 ; partition's abs LBA address
.password : resd 1 ; password of this record
.schedule_time : resd 1 ; schedule time
.name : resb 16 ; name of this record, zero ending.
.keystrokes : resw 13 ; keystrokes to be preloaded.
.end_of_struc
endstruc
; structure for partition record
struc struc_partition
.state : resb 1 ; = 0 : inactive; = drive id : active
.start_head : resb 1 ; start chs address of the partition
.start_cs : resw 1 ;
.type : resb 1 ; equal to the same item in struc_bootrecord
.end_head : resb 1 ; end chs address of the partition
.end_cs : resw 1 ;
.relative_addr : resd 1 ; the relative address of this partition
.sectors : resd 1 ; the number of sectors of the partition
.end_of_struc
endstruc
%define SIZE_OF_BOOTRECORD (struc_bootrecord.end_of_struc)
%define SIZE_OF_PARTITION (struc_partition.end_of_struc)
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