; Project name : XTIDE Univeral BIOS Configurator v2 ; Description : Global variables for configuration program. ; ; XTIDE Universal BIOS and Associated Tools ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 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 VARIABLES_INC %define VARIABLES_INC ; Equates and defines BOOT_MENU_DEFAULT_TIMEOUT EQU (TICKS_PER_MINUTE / 2) MAX_ALLOWED_IDE_CONTROLLERS EQU 4 ; Maximum number of IDE controllers MAX_LITE_MODE_CONTROLLERS EQU 2 EEPROM_POLLING_TIMEOUT_TICKS EQU 3 ; 1 tick = 54.9 ms XTIDE_SIGNATURE_LENGTH EQU 6 ; XTIDE Universal BIOS signature string length (must be even) NUMBER_OF_EEPROM_TYPES EQU 5 MAX_EEPROM_SIZE_IN_BYTES EQU 65536 SST_PAGE_SIZE_SHIFT EQU 12 ; Minimum we can erase is a 4K sector. SST_PAGE_SIZE EQU (1 << SST_PAGE_SIZE_SHIFT) ; Program global variables struc CFGVARS .pMenupage resb 2 ; Offset to MENUPAGE to display .wFlags resb 2 ; Program flags - Only the low byte is used currently and code depend on this .wImageSizeInWords resb 2 ; Size in words for loaded ROM or FILE .wEepromSegment resb 2 ; Segment where EEPROM is located .bEepromType resb 1 ; EEPROM type .bEepromPage resb 1 ; EEPROM page size (EEPROM_PAGE) .bSdpCommand resb 1 ; Command for Software Data Protection resb 1 .szOpenedFile resb FILENAME_BUFFER_SIZE endstruc ; Bit defines for CFGVARS.wFlags (changes here might require changes elsewhere) FLG_CFGVARS_FILELOADED EQU (1<<0) ; BIOS is loaded from file FLG_CFGVARS_ROMLOADED EQU (1<<1) ; BIOS is loaded from EEPROM FLG_CFGVARS_UNSAVED EQU (1<<2) ; BIOS has unsaved changes FLG_CFGVARS_CHECKSUM EQU (1<<3) ; Generate checksum byte ; EEPROM types struc EEPROM_TYPE .2816_2kiB resb 2 .2864_8kiB resb 2 .2864_8kiB_MOD resb 2 ; Reversed A0 and A3 address lines .28256_32kiB resb 2 .28512_64kiB resb 2 .SST_39SF resb 2 endstruc ; Software Data Protection commands struc SDP_COMMAND .none resb 2 ; Do not use any SDP command .enable resb 2 ; Flash with SDP enable command .disable resb 2 ; Flash with SDP disable command endstruc ; Page sizes struc EEPROM_PAGE .1_byte resb 2 .2_bytes resb 2 .4_bytes resb 2 .8_bytes resb 2 .16_bytes resb 2 .32_bytes resb 2 .64_bytes resb 2 endstruc ; Default CFGVARS settings DEFAULT_CFGVARS_FLAGS EQU FLG_CFGVARS_CHECKSUM DEFAULT_EEPROM_SEGMENT EQU 0D000h DEFAULT_EEPROM_TYPE EQU EEPROM_TYPE.2864_8kiB DEFAULT_PAGE_SIZE EQU EEPROM_PAGE.1_byte DEFAULT_SDP_COMMAND EQU SDP_COMMAND.enable ; Variables required for flashing struc FLASHVARS .fpNextSourcePage resb 4 .fpNextComparisonPage resb 4 .fpNextDestinationPage resb 4 .wPagesToFlash resb 2 ; 0 = 65536 .wEepromPageSize resb 2 ; 1, 2, 4, 8, 16, 32 or 64 .bEepromSdpCommand resb 1 .bEepromType resb 1 .wProgressUpdateParam resb 2 .wTimeoutCounter resb 2 ; On SSI, this is timeout cal .wLastOffsetWritten resb 2 .bLastByteWritten resb 1 .flashResult resb 1 endstruc ; Flashing results struc FLASH_RESULT .success resb 2 .DeviceNotDetected resb 2 .PollingTimeoutError resb 2 .DataVerifyError resb 2 endstruc %endif ; VARIABLES_INC