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|
; sbm.h
;
; header file for main.asm and loader.asm
;
; Copyright (C) 2000, Suzhe. See file COPYING and CREDITS for details.
;
%define BR_GOOD_FLAG 0XAA55
%define BR_FLAG_OFF 0x01FE
%define PART_TBL_OFF 0x01BE
%define SECTOR_SIZE 0x200 ; size of a sector
%define CDSECTOR_SIZE 0x800 ; size of a CD-ROM sector
%define SBMK_MAGIC 0x4B4D4253 ; magic number of
; Smart Boot Manager kernel.
%define SBMK_VERSION 0x0307 ; version of kernel.
%define SBMT_MAGIC 0x544D4253 ; magic number of
; Smart Boot Manager theme.
%define SBMT_VERSION 0x0307 ; version of theme.
%define SBML_MAGIC 0x4C4D4253 ; magic number of
; Smart Boot Manager loader.
%define SBML_VERSION 0x0301 ; version of loader.
%define MAX_SBM_SIZE 30720 ; the max size of Smart Boot Manager
%define SIZE_OF_MBR 446 ; the size of master boot record
%define MAX_RECORD_NUM 32
%define MAX_FLOPPY_NUM 2
%define MAX_PASSWORD_LENGTH 16
%define BOOT_OFF 0x7C00 ; boot sector startup offset
%define BOOT_SEG 0x07C0
%define PART_OFF 0x0600 ; partition table offset
; Smart Boot Manager kernel startup
%define KERNEL_SEG 0x1000 ; Segment ( Off = 0 )
%define KNLBACKUP_SEG 0x2000 ; Backup Segment ( Off = 0 )
%define STACK_SEG 0x3000
%define STACK_SIZE 0x8000
%define SBM_SAVE_NBLKS 5
%ifndef STRUC_SBMK_HEADER
%define STRUC_SBMK_HEADER
struc struc_sbml_header
.jmp_cmd resb 3 ; cli and jmp command.
;=================== For floppy FAT12 filesystem ======================
.bsOEM resb 8 ; OEM String
.bsSectSize resw 1 ; Bytes per sector
.bsClustSize resb 1 ; Sectors per cluster
.bsRessect resw 1 ; # of reserved sectors
.bsFatCnt resb 1 ; # of fat copies
.bsRootSize resw 1 ; size of root directory
.bsTotalSect resw 1 ; total # of sectors if < 32 meg
.bsMedia resb 1 ; Media Descriptor
.bsFatSize resw 1 ; Size of each FAT
.bsTrackSect resw 1 ; Sectors per track
.bsHeadCnt resw 1 ; number of read-write heads
.bsHidenSect resd 1 ; number of hidden sectors
.bsHugeSect resd 1 ; if bsTotalSect is 0 this value is
; the number of sectors
.bsBootDrv resb 1 ; holds drive that the bs came from
.bsReserv resb 1 ; not used for anything
.bsBootSign resb 1 ; boot signature 29h
.bsVolID resd 1 ; Disk volume ID also used for temp
; sector # / # sectors to load
.bsVoLabel resb 11 ; Volume Label
.bsFSType resb 8 ; File System type
.reserved resb 2
;====================================================================
.magic resd 1 ; magic number.
.version resw 1 ; version.
.kernel_sects1 resb 1 ; size and address of kernel block 1
.kernel_addr1 resd 1 ;
.kernel_sects2 resb 1 ; size and address of kernel block 2
.kernel_addr2 resd 1 ;
.kernel_sects3 resb 1 ; size and address of kernel block 3
.kernel_addr3 resd 1 ;
.kernel_sects4 resb 1 ; size and address of kernel block 4
.kernel_addr4 resd 1 ;
.kernel_sects5 resb 1 ; size and address of kernel block 5
.kernel_addr5 resd 1 ;
endstruc
struc struc_sbmk_header
.jmp_cmd resd 1 ; jmp and nop command.
.magic resd 1 ; magic number.
.version resw 1 ; version.
.total_size resw 1 ; the size of kernel code.
.compress_addr resw 1 ; the address of compressed part
.checksum resb 1 ; checksum value.
.kernel_sectors resb 1 ;
.kernel_drvid resb 1 ;
.kernel_sects1 resb 1 ; block map for SBMK
.kernel_addr1 resd 1 ;
.kernel_sects2 resb 1 ; only four blocks are allowed.
.kernel_addr2 resd 1 ;
.kernel_sects3 resb 1 ;
.kernel_addr3 resd 1 ;
.kernel_sects4 resb 1 ;
.kernel_addr4 resd 1 ;
.kernel_sects5 resb 1 ;
.kernel_addr5 resd 1 ;
.reserved1 resw 1 ;
.kernel_flags resb 1 ; kernel flags.
.delay_time resb 1 ; delay time ( seconds )
.direct_br resb 1 ; >= MAX_RECORD_NUM means no
; direct boot.
.default_record resb 1 ; the record number will
; be booted after the
; delay time is up or ESC
; key is pressed.
.root_password resd 1 ; root password.
.bootmenu_style resb 2
.cdrom_ioports resw 2
.y2k_last_year resw 1
.y2k_last_month resb 1
.reserved2 resb 3
; buffer to store boot records
.boot_records resb MAX_RECORD_NUM * SIZE_OF_BOOTRECORD
.sbml_codes resb SIZE_OF_MBR
.previous_mbr resb SECTOR_SIZE
endstruc
struc struc_sbmt_header
.magic resd 1 ; magic number.
.reserved resw 1 ;
.lang resb 6 ; language info.
.version resw 1 ; theme version.
.size resw 1 ; theme size.
endstruc
%endif
|
