1 | ; File name : Variables.inc |
---|
2 | ; Project name : XTIDE Univeral BIOS Configurator v2 |
---|
3 | ; Created date : 5.10.2010 |
---|
4 | ; Last update : 19.11.2010 |
---|
5 | ; Author : Tomi Tilli |
---|
6 | ; Description : Global variables for configuration program. |
---|
7 | %ifndef VARIABLES_INC |
---|
8 | %define VARIABLES_INC |
---|
9 | |
---|
10 | ; Equates and defines |
---|
11 | MAX_ALLOWED_IDE_CONTROLLERS EQU 5 ; Maximum number of IDE controllers |
---|
12 | EEPROM_POLLING_TIMEOUT_TICKS EQU 3 ; 1 tick = 54.9 ms |
---|
13 | XTIDE_SIGNATURE_LENGTH EQU 8 ; XTIDE Universal BIOS signature string length |
---|
14 | NUMBER_OF_SUPPORTED_EEPROM_SIZES EQU 5 |
---|
15 | MAX_EEPROM_SIZE EQU 65536 |
---|
16 | |
---|
17 | |
---|
18 | ; Program global variables |
---|
19 | struc CFGVARS |
---|
20 | .pMenupage resb 2 ; Offset to MENUPAGE to display |
---|
21 | .wFlags resb 2 ; Program flags |
---|
22 | .wImageSize resb 2 ; Size in bytes for BIOS image to be flashed (0=65536) |
---|
23 | .wEepromSegment resb 2 ; Segment where EEPROM is located |
---|
24 | .bEepromType resb 1 ; EEPROM type |
---|
25 | .bEepromPageSize resb 1 ; EEPROM page size in bytes |
---|
26 | .bSdpCommand resb 1 ; Command for Software Data Protection |
---|
27 | resb 1 |
---|
28 | .szOpenedFile resb FILENAME_BUFFER_SIZE |
---|
29 | .flashVars resb FLASHVARS_size |
---|
30 | endstruc |
---|
31 | |
---|
32 | ; Bit defines for CFGVARS.wFlags |
---|
33 | FLG_CFGVARS_FILELOADED EQU (1<<0) ; BIOS is loaded from file |
---|
34 | FLG_CFGVARS_ROMLOADED EQU (1<<1) ; BIOS is loaded from EEPROM |
---|
35 | FLG_CFGVARS_UNSAVED EQU (1<<2) ; BIOS has unsaved changes |
---|
36 | FLG_CFGVARS_CHECKSUM EQU (1<<3) ; Generate checksum byte |
---|
37 | |
---|
38 | ; EEPROM types |
---|
39 | struc EEPROM_TYPE |
---|
40 | .2816_2kiB resb 2 |
---|
41 | .2832_4kiB resb 2 |
---|
42 | .2864_8kiB resb 2 |
---|
43 | .28128_16kiB resb 2 |
---|
44 | .28256_32kiB resb 2 |
---|
45 | .28512_64kiB resb 2 |
---|
46 | endstruc |
---|
47 | |
---|
48 | ; Software Data Protection commands |
---|
49 | struc SDP_COMMAND |
---|
50 | .none resb 2 ; Do not use any SDP command |
---|
51 | .enable resb 2 ; Flash with SDP enable command |
---|
52 | .disable resb 2 ; Flash with SDP disable command |
---|
53 | endstruc |
---|
54 | |
---|
55 | ; Page sizes |
---|
56 | struc EEPROM_PAGE_SIZE |
---|
57 | .1_byte resb 2 |
---|
58 | .2_bytes resb 2 |
---|
59 | .4_bytes resb 2 |
---|
60 | .8_bytes resb 2 |
---|
61 | .16_bytes resb 2 |
---|
62 | .32_bytes resb 2 |
---|
63 | .64_bytes resb 2 |
---|
64 | endstruc |
---|
65 | |
---|
66 | ; Default CFGVARS settings |
---|
67 | DEFAULT_CFGVARS_FLAGS EQU FLG_CFGVARS_CHECKSUM |
---|
68 | DEFAULT_EEPROM_SEGMENT EQU 0D000h |
---|
69 | DEFAULT_PAGE_SIZE EQU EEPROM_PAGE_SIZE.1_byte |
---|
70 | DEFAULT_SDP_COMMAND EQU SDP_COMMAND.enable |
---|
71 | |
---|
72 | |
---|
73 | ; Variables required for flashing |
---|
74 | struc FLASHVARS |
---|
75 | .wTotalPages resb 2 ; Total number of pages to write |
---|
76 | .wPagesLeft resb 2 ; Pages left to write |
---|
77 | .wByteOffset resb 2 ; Offset to byte to write next |
---|
78 | endstruc |
---|
79 | |
---|
80 | |
---|
81 | %endif ; VARIABLES_INC |
---|