source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Inc/BootMenu.inc@ 391

; Project name  :   XTIDE Universal BIOS
; Description   :   Equates and structs used in Boot Menu.

;
; XTIDE Universal BIOS and Associated Tools 
; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
;
; This program is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2 of the License, or
; (at your option) any later version.
; 
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
; GNU General Public License for more details.      
; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
;

%ifndef BOOTMENU_INC
%define BOOTMENU_INC

; Boot menu sizes
BOOT_MENU_DEFAULT_TIMEOUT               EQU (30 * TICKS_PER_SECOND)
BOOT_MENU_TITLE_LINES                   EQU 2   ; Number of title lines
BOOT_MENU_INFO_LINES                    EQU 3   ; Number of info lines
BOOT_MENU_SEPARATOR_LINES_PLUS_SHADOW   EQU 5
BOOT_MENU_TITLE_AND_INFO_LINES          EQU (BOOT_MENU_TITLE_LINES | (BOOT_MENU_INFO_LINES<<8))
BOOT_MENU_WIDTH                         EQU 40  ; Menu width in characters (including shadow)
BOOT_MENU_HEIGHT_WITHOUT_ITEMS          EQU (BOOT_MENU_TITLE_LINES + BOOT_MENU_INFO_LINES + BOOT_MENU_SEPARATOR_LINES_PLUS_SHADOW)
MENU_SCREEN_BOTTOM_LINES                EQU 1

; Hotkeys
ROM_BOOT_HOTKEY_SCANCODE                EQU 42h ; F8


; Boot Menu Information Table. These are generated for all XTIDE Universal
; BIOS drives. Available only until boot is successful.
MAX_HARD_DISK_NAME_LENGTH               EQU     30      ; Bytes reserved for drive name

struc BOOTMENUINFO
    .szDrvName              resb    MAX_HARD_DISK_NAME_LENGTH
                            resb    2   ; Zero word (ensures string terminates)
    .wInitErrorFlags        resb    2   ; Errors during initialization
    
%ifdef MODULE_ADVANCED_ATA
                            resb    6   ; padding to make BOOTMENUINFO size an even multiple of DPT size
%else
                            resb    2   ; padding to make BOOTMENUINFO size an even multiple of DPT size
%endif              
endstruc


DPT_BOOTMENUINFO_SIZE_MULTIPLIER  equ   BOOTMENUINFO_size / LARGEST_DPT_SIZE

%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS

%if MAX_HARD_DISK_NAME_LENGTH % 2 <> 0
    %error "MAX_HARD_DISK_NAME_LENGTH needs to be a multiple of 2, memory is moved with word operations."
%endif

%if BOOTMENUINFO_size % LARGEST_DPT_SIZE <> 0
    %error "BOOTMENUINFO's size must be an even multiple of DPT's size.  Add or remove padding at the bottom of BOOTMENUINFO to bring the two sizes into alignment.  As BOOTMENUINFO is only used at boot time, with plenty of memory to consume, it is OK to waste some space here."
%endif

%if BOOTMENUINFO.szDrvName <> 0
    %error "BOOTMENUINFO.szDrvName is assumed to be the first member of struc BOOTMENUINFO, in BootMenuPrint_RefreshItem"
%endif

%endif


%endif ; BOOTMENU_INC