| 1 | ; Project name : XTIDE Univeral BIOS Configurator v2 |
|---|
| 2 | ; Description : Global variables for configuration program. |
|---|
| 3 | %ifndef VARIABLES_INC |
|---|
| 4 | %define VARIABLES_INC |
|---|
| 5 | |
|---|
| 6 | ; Equates and defines |
|---|
| 7 | MAX_ALLOWED_IDE_CONTROLLERS EQU 4 ; Maximum number of IDE controllers |
|---|
| 8 | MAX_LITE_MODE_CONTROLLERS EQU 2 |
|---|
| 9 | EEPROM_POLLING_TIMEOUT_TICKS EQU 3 ; 1 tick = 54.9 ms |
|---|
| 10 | XTIDE_SIGNATURE_LENGTH EQU 8 ; XTIDE Universal BIOS signature string length |
|---|
| 11 | NUMBER_OF_EEPROM_TYPES EQU 4 |
|---|
| 12 | MAX_EEPROM_SIZE_IN_BYTES EQU 65536 |
|---|
| 13 | |
|---|
| 14 | |
|---|
| 15 | ; Program global variables |
|---|
| 16 | struc CFGVARS |
|---|
| 17 | .pMenupage resb 2 ; Offset to MENUPAGE to display |
|---|
| 18 | .wFlags resb 2 ; Program flags |
|---|
| 19 | .wImageSizeInWords resb 2 ; Size in words for loaded ROM or FILE |
|---|
| 20 | .wEepromSegment resb 2 ; Segment where EEPROM is located |
|---|
| 21 | .bEepromType resb 1 ; EEPROM type |
|---|
| 22 | .bEepromPage resb 1 ; EEPROM page size (EEPROM_PAGE) |
|---|
| 23 | .bSdpCommand resb 1 ; Command for Software Data Protection |
|---|
| 24 | resb 1 |
|---|
| 25 | .szOpenedFile resb FILENAME_BUFFER_SIZE |
|---|
| 26 | endstruc |
|---|
| 27 | |
|---|
| 28 | ; Bit defines for CFGVARS.wFlags |
|---|
| 29 | FLG_CFGVARS_FILELOADED EQU (1<<0) ; BIOS is loaded from file |
|---|
| 30 | FLG_CFGVARS_ROMLOADED EQU (1<<1) ; BIOS is loaded from EEPROM |
|---|
| 31 | FLG_CFGVARS_UNSAVED EQU (1<<2) ; BIOS has unsaved changes |
|---|
| 32 | FLG_CFGVARS_CHECKSUM EQU (1<<3) ; Generate checksum byte |
|---|
| 33 | |
|---|
| 34 | ; EEPROM types |
|---|
| 35 | struc EEPROM_TYPE |
|---|
| 36 | .2816_2kiB resb 2 |
|---|
| 37 | .2864_8kiB resb 2 |
|---|
| 38 | .28256_32kiB resb 2 |
|---|
| 39 | .28512_64kiB resb 2 |
|---|
| 40 | endstruc |
|---|
| 41 | |
|---|
| 42 | ; Software Data Protection commands |
|---|
| 43 | struc SDP_COMMAND |
|---|
| 44 | .none resb 2 ; Do not use any SDP command |
|---|
| 45 | .enable resb 2 ; Flash with SDP enable command |
|---|
| 46 | .disable resb 2 ; Flash with SDP disable command |
|---|
| 47 | endstruc |
|---|
| 48 | |
|---|
| 49 | ; Page sizes |
|---|
| 50 | struc EEPROM_PAGE |
|---|
| 51 | .1_byte resb 2 |
|---|
| 52 | .2_bytes resb 2 |
|---|
| 53 | .4_bytes resb 2 |
|---|
| 54 | .8_bytes resb 2 |
|---|
| 55 | .16_bytes resb 2 |
|---|
| 56 | .32_bytes resb 2 |
|---|
| 57 | .64_bytes resb 2 |
|---|
| 58 | endstruc |
|---|
| 59 | |
|---|
| 60 | ; Default CFGVARS settings |
|---|
| 61 | DEFAULT_CFGVARS_FLAGS EQU FLG_CFGVARS_CHECKSUM |
|---|
| 62 | DEFAULT_EEPROM_SEGMENT EQU 0D000h |
|---|
| 63 | DEFAULT_EEPROM_TYPE EQU EEPROM_TYPE.2864_8kiB |
|---|
| 64 | DEFAULT_PAGE_SIZE EQU EEPROM_PAGE.1_byte |
|---|
| 65 | DEFAULT_SDP_COMMAND EQU SDP_COMMAND.enable |
|---|
| 66 | |
|---|
| 67 | |
|---|
| 68 | ; Variables required for flashing |
|---|
| 69 | struc FLASHVARS |
|---|
| 70 | .fpNextSourcePage resb 4 |
|---|
| 71 | .fpNextComparisonPage resb 4 |
|---|
| 72 | .fpNextDestinationPage resb 4 |
|---|
| 73 | .wPagesToFlash resb 2 ; 0 = 65536 |
|---|
| 74 | .wEepromPageSize resb 2 ; 1, 2, 4, 8, 16, 32 or 64 |
|---|
| 75 | .bEepromSdpCommand resb 1 |
|---|
| 76 | .bEepromType resb 1 |
|---|
| 77 | |
|---|
| 78 | .wProgressUpdateParam resb 2 |
|---|
| 79 | .wTimeoutCounter resb 2 |
|---|
| 80 | .wLastOffsetWritten resb 2 |
|---|
| 81 | .bLastByteWritten resb 1 |
|---|
| 82 | .flashResult resb 1 |
|---|
| 83 | endstruc |
|---|
| 84 | |
|---|
| 85 | ; Flashing results |
|---|
| 86 | struc FLASH_RESULT |
|---|
| 87 | .success resb 2 |
|---|
| 88 | .PollingTimeoutError resb 2 |
|---|
| 89 | .DataVerifyError resb 2 |
|---|
| 90 | endstruc |
|---|
| 91 | |
|---|
| 92 | |
|---|
| 93 | %endif ; VARIABLES_INC |
|---|
