source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS_Configurator_v2/Inc/Variables.inc @ 620

Last change on this file since 620 was 620, checked in by krille_n_, 8 months ago

Changes:

  • A huge thank you to Jayeson Lee-Steere for adding SST39SF0x0 flash ROM programming support to the configurator (XTIDECFG.COM). This means that there is no longer a need to use a separate program for flashing the Lo-Tech boards and other devices using these flash ROMs.
File size: 3.8 KB
Line 
1; Project name  :   XTIDE Univeral BIOS Configurator v2
2; Description   :   Global variables for configuration program.
3
4;
5; XTIDE Universal BIOS and Associated Tools
6; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
7;
8; This program is free software; you can redistribute it and/or modify
9; it under the terms of the GNU General Public License as published by
10; the Free Software Foundation; either version 2 of the License, or
11; (at your option) any later version.
12;
13; This program is distributed in the hope that it will be useful,
14; but WITHOUT ANY WARRANTY; without even the implied warranty of
15; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16; GNU General Public License for more details.
17; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
18;
19
20%ifndef VARIABLES_INC
21%define VARIABLES_INC
22
23; Equates and defines
24BOOT_MENU_DEFAULT_TIMEOUT               EQU     (TICKS_PER_MINUTE / 2)
25MAX_ALLOWED_IDE_CONTROLLERS             EQU     4       ; Maximum number of IDE controllers
26MAX_LITE_MODE_CONTROLLERS               EQU     2
27EEPROM_POLLING_TIMEOUT_TICKS            EQU     3       ; 1 tick = 54.9 ms
28XTIDE_SIGNATURE_LENGTH                  EQU     6       ; XTIDE Universal BIOS signature string length (must be even)
29NUMBER_OF_EEPROM_TYPES                  EQU     5
30MAX_EEPROM_SIZE_IN_BYTES                EQU     65536
31SST_PAGE_SIZE_SHIFT                     EQU     12      ; Minimum we can erase is a 4K sector.
32SST_PAGE_SIZE                           EQU     (1 << SST_PAGE_SIZE_SHIFT) 
33
34; Program global variables
35struc CFGVARS
36    .pMenupage          resb    2           ; Offset to MENUPAGE to display
37    .wFlags             resb    2           ; Program flags - Only the low byte is used currently and code depend on this
38    .wImageSizeInWords  resb    2           ; Size in words for loaded ROM or FILE
39    .wEepromSegment     resb    2           ; Segment where EEPROM is located
40    .bEepromType        resb    1           ; EEPROM type
41    .bEepromPage        resb    1           ; EEPROM page size (EEPROM_PAGE)
42    .bSdpCommand        resb    1           ; Command for Software Data Protection
43                        resb    1
44    .szOpenedFile       resb    FILENAME_BUFFER_SIZE
45endstruc
46
47; Bit defines for CFGVARS.wFlags (changes here might require changes elsewhere)
48FLG_CFGVARS_FILELOADED  EQU     (1<<0)  ; BIOS is loaded from file
49FLG_CFGVARS_ROMLOADED   EQU     (1<<1)  ; BIOS is loaded from EEPROM
50FLG_CFGVARS_UNSAVED     EQU     (1<<2)  ; BIOS has unsaved changes
51FLG_CFGVARS_CHECKSUM    EQU     (1<<3)  ; Generate checksum byte
52
53; EEPROM types
54struc EEPROM_TYPE
55    .2816_2kiB          resb    2
56    .2864_8kiB          resb    2
57    .2864_8kiB_MOD      resb    2   ; Reversed A0 and A3 address lines
58    .28256_32kiB        resb    2
59    .28512_64kiB        resb    2
60    .SST_39SF           resb    2
61endstruc
62
63; Software Data Protection commands
64struc SDP_COMMAND
65    .none               resb    2   ; Do not use any SDP command
66    .enable             resb    2   ; Flash with SDP enable command
67    .disable            resb    2   ; Flash with SDP disable command
68endstruc
69
70; Page sizes
71struc EEPROM_PAGE
72    .1_byte             resb    2
73    .2_bytes            resb    2
74    .4_bytes            resb    2
75    .8_bytes            resb    2
76    .16_bytes           resb    2
77    .32_bytes           resb    2
78    .64_bytes           resb    2
79endstruc
80
81; Default CFGVARS settings
82DEFAULT_CFGVARS_FLAGS   EQU     FLG_CFGVARS_CHECKSUM
83DEFAULT_EEPROM_SEGMENT  EQU     0D000h
84DEFAULT_EEPROM_TYPE     EQU     EEPROM_TYPE.2864_8kiB
85DEFAULT_PAGE_SIZE       EQU     EEPROM_PAGE.1_byte
86DEFAULT_SDP_COMMAND     EQU     SDP_COMMAND.enable
87
88
89; Variables required for flashing
90struc FLASHVARS
91    .fpNextSourcePage           resb    4
92    .fpNextComparisonPage       resb    4
93    .fpNextDestinationPage      resb    4
94    .wPagesToFlash              resb    2   ; 0 = 65536
95    .wEepromPageSize            resb    2   ; 1, 2, 4, 8, 16, 32 or 64
96    .bEepromSdpCommand          resb    1
97    .bEepromType                resb    1
98
99    .wProgressUpdateParam       resb    2
100    .wTimeoutCounter            resb    2   ; On SSI, this is timeout cal
101    .wLastOffsetWritten         resb    2
102    .bLastByteWritten           resb    1
103    .flashResult                resb    1
104endstruc
105
106; Flashing results
107struc FLASH_RESULT
108    .success                    resb    2
109    .DeviceNotDetected          resb    2
110    .PollingTimeoutError        resb    2
111    .DataVerifyError            resb    2
112endstruc
113
114
115%endif ; VARIABLES_INC
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