source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Inc/BootMenu.inc @ 364

Last change on this file since 364 was 364, checked in by aitotat@…, 12 years ago

Changes to XTIDE Universal BIOS:

  • Advanced ATA Module variables are now kept in DPTs.
  • Forced full mode when using Advanced ATA Module.
File size: 2.5 KB
Line 
1; Project name  :   XTIDE Universal BIOS
2; Description   :   Equates and structs used in Boot Menu.
3
4%ifndef BOOTMENU_INC
5%define BOOTMENU_INC
6
7; Boot menu sizes
8BOOT_MENU_DEFAULT_TIMEOUT               EQU (30 * TICKS_PER_SECOND)
9BOOT_MENU_TITLE_LINES                   EQU 2   ; Number of title lines
10BOOT_MENU_INFO_LINES                    EQU 3   ; Number of info lines
11BOOT_MENU_SEPARATOR_LINES_PLUS_SHADOW   EQU 5
12BOOT_MENU_TITLE_AND_INFO_LINES          EQU (BOOT_MENU_TITLE_LINES | (BOOT_MENU_INFO_LINES<<8))
13BOOT_MENU_WIDTH                         EQU 40  ; Menu width in characters (including shadow)
14BOOT_MENU_HEIGHT_WITHOUT_ITEMS          EQU (BOOT_MENU_TITLE_LINES + BOOT_MENU_INFO_LINES + BOOT_MENU_SEPARATOR_LINES_PLUS_SHADOW)
15MENU_SCREEN_BOTTOM_LINES                EQU 1
16
17; Hotkeys
18ROM_BOOT_HOTKEY_SCANCODE                EQU 42h ; F8
19
20
21; Boot Menu Information Table. These are generated for all XTIDE Universal
22; BIOS drives. Available only until boot is successful.
23MAX_HARD_DISK_NAME_LENGTH               EQU     30      ; Bytes reserved for drive name
24
25struc BOOTMENUINFO
26    .szDrvName              resb    MAX_HARD_DISK_NAME_LENGTH
27                            resb    2   ; Zero word (ensures string terminates)
28    .wInitErrorFlags        resb    2   ; Errors during initialization
29   
30%ifdef MODULE_ADVANCED_ATA
31                            resb    6   ; padding to make BOOTMENUINFO size an even multiple of DPT size
32%else
33                            resb    2   ; padding to make BOOTMENUINFO size an even multiple of DPT size
34%endif
35                           
36                           
37endstruc
38
39; Flags for BOOTMENUINFO.wInitErrorFlags
40FLG_INIT_FAILED_TO_SELECT_DRIVE                 EQU     (1<<0)
41FLG_INIT_FAILED_TO_INITIALIZE_CHS_PARAMETERS    EQU     (1<<1)
42FLG_INIT_FAILED_TO_SET_WRITE_CACHE              EQU     (1<<2)
43FLG_INIT_FAILED_TO_RECALIBRATE_DRIVE            EQU     (1<<3)
44FLG_INIT_FAILED_TO_SET_BLOCK_MODE               EQU     (1<<4)
45FLG_INIT_FAILED_TO_SET_PIO_MODE                 EQU     (1<<5)
46
47DPT_BOOTMENUINFO_SIZE_MULTIPLIER  equ   BOOTMENUINFO_size / LARGEST_DPT_SIZE
48
49%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS
50
51%if MAX_HARD_DISK_NAME_LENGTH % 2 <> 0
52    %error "MAX_HARD_DISK_NAME_LENGTH needs to be a multiple of 2, memory is moved with word operations."
53%endif
54
55%if BOOTMENUINFO_size % LARGEST_DPT_SIZE <> 0
56    %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."
57%endif
58
59%if BOOTMENUINFO.szDrvName <> 0
60    %error "BOOTMENUINFO.szDrvName is assumed to be the first member of struc BOOTMENUINFO, in BootMenuPrint_RefreshItem"
61%endif
62
63%endif
64
65
66%endif ; BOOTMENU_INC
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