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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 554

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Last change on this file since 554 was 552, checked in by aitotat@…, 11 years ago

Changes to XTIDE Universal BIOS:

XTIDE Universal BIOS can now be initialized if non-standard main BIOS does not call INT 19h or if INT 19h handler is replaced by some other BIOS.

File size: 12.9 KB

Rev	Line
[3]	1	; Project name : XTIDE Universal BIOS
[86]	2	; Authors : Tomi Tilli
	3	; : aitotat@gmail.com
	4	; :
[181]	5	; : Greg Lindhorst
	6	; : gregli@hotmail.com
	7	; ;
[86]	8	; : Krister Nordvall
	9	; : krille_n_@hotmail.com
	10	; :
[3]	11	; Description : Main file for BIOS. This is the only file that needs
	12	; to be compiled since other files are included to this
	13	; file (so no linker needed, Nasm does it all).
	14
[376]	15	;
[380]	16	; XTIDE Universal BIOS and Associated Tools
[526]	17	; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
[376]	18	;
	19	; This program is free software; you can redistribute it and/or modify
	20	; it under the terms of the GNU General Public License as published by
	21	; the Free Software Foundation; either version 2 of the License, or
	22	; (at your option) any later version.
[380]	23	;
[376]	24	; This program is distributed in the hope that it will be useful,
	25	; but WITHOUT ANY WARRANTY; without even the implied warranty of
	26	; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
[380]	27	; GNU General Public License for more details.
[376]	28	; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
	29	;
	30
[294]	31	ORG 0 ; Code start offset 0000h
[3]	32
[379]	33	; We must define included libraries before including "AssemblyLibrary.inc".
	34	%define EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS ; Exclude unused library functions
	35	%ifdef MODULE_BOOT_MENU
[392]	36	%define MENUEVENT_INLINE_OFFSETS ; Only one menu required, save space and inline offsets
[379]	37	%define INCLUDE_MENU_LIBRARY
[492]	38	%define MENU_NO_ESC ; User cannot 'esc' out of the menu
[379]	39	%else ; If no boot menu included
	40	%define INCLUDE_DISPLAY_LIBRARY
[392]	41	%define INCLUDE_KEYBOARD_LIBRARY
[379]	42	%define INCLUDE_TIME_LIBRARY
	43	%endif
	44
	45
[181]	46	; Included .inc files
	47	%include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
[522]	48	%include "ModuleDependency.inc" ; Dependency checks for optional modules. Must be included second!
[358]	49	%include "Version.inc"
[181]	50	%include "ATA_ID.inc" ; For ATA Drive Information structs
	51	%include "IdeRegisters.inc" ; For ATA Registers, flags and commands
	52	%include "Int13h.inc" ; Equates for INT 13h functions
	53	%include "CustomDPT.inc" ; For Disk Parameter Table
	54	%include "RomVars.inc" ; For ROMVARS and IDEVARS structs
	55	%include "RamVars.inc" ; For RAMVARS struct
[254]	56	%include "BootVars.inc" ; For BOOTVARS struct
[400]	57	%include "IdeIO.inc" ; Macros for IDE port I/O
[181]	58	%include "DeviceIDE.inc" ; For IDE device equates
[3]	59
	60
[397]	61
[3]	62	; Section containing code
	63	SECTION .text
	64
	65	; ROM variables (must start at offset 0)
[506]	66	CNT_ROM_BLOCKS EQU BIOS_SIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
[3]	67	istruc ROMVARS
	68	at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
	69	at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
[181]	70	at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
[358]	71	at ROMVARS.rgbSign, db FLASH_SIGNATURE
	72	at ROMVARS.szTitle, db TITLE_STRING
	73	at ROMVARS.szVersion, db ROM_VERSION_STRING
[3]	74
	75	;---------------------------;
	76	; AT Build default settings ;
	77	;---------------------------;
	78	%ifdef USE_AT
[397]	79	at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE \| MASK_ROMVARS_INCLUDED_MODULES
[143]	80	at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
[397]	81	%ifdef MODULE_BOOT_MENU
[491]	82	at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
[397]	83	%endif
[485]	84	at ROMVARS.bIdeCnt, db 2 ; Number of supported controllers
[3]	85	at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
	86	at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
	87	at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory
[380]	88	at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
[3]	89
[491]	90	at ROMVARS.ideVars0+IDEVARS.wBasePort, dw DEVICE_ATA_PRIMARY_PORT ; Controller Command Block base port
	91	at ROMVARS.ideVars0+IDEVARS.wControlBlockPort, dw DEVICE_ATA_PRIMARY_PORTCTRL ; Controller Control Block base port
[473]	92	at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[524]	93	at ROMVARS.ideVars0+IDEVARS.bIRQ, db 14
[422]	94	at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	95	at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[3]	96
[485]	97	at ROMVARS.ideVars1+IDEVARS.wBasePort, dw DEVICE_ATA_SECONDARY_PORT
	98	at ROMVARS.ideVars1+IDEVARS.wControlBlockPort, dw DEVICE_ATA_SECONDARY_PORTCTRL
	99	at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[524]	100	at ROMVARS.ideVars1+IDEVARS.bIRQ, db 15
[422]	101	at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	102	at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[3]	103
[485]	104	at ROMVARS.ideVars2+IDEVARS.wBasePort, dw DEVICE_ATA_TERTIARY_PORT
	105	at ROMVARS.ideVars2+IDEVARS.wControlBlockPort, dw DEVICE_ATA_TERTIARY_PORTCTRL
	106	at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[473]	107	at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
[422]	108	at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	109	at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[143]	110
[473]	111	at ROMVARS.ideVars3+IDEVARS.wBasePort, dw DEVICE_ATA_QUATERNARY_PORT
	112	at ROMVARS.ideVars3+IDEVARS.wControlBlockPort, dw DEVICE_ATA_QUATERNARY_PORTCTRL
	113	at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
	114	at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
[422]	115	at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	116	at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[175]	117
	118	%ifdef MODULE_SERIAL
	119	at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
[181]	120	%endif
[3]	121	%else
	122	;-----------------------------------;
	123	; XT and XT+ Build default settings ;
	124	;-----------------------------------;
[397]	125	at ROMVARS.wFlags, dw MASK_ROMVARS_INCLUDED_MODULES
[143]	126	at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
[397]	127	%ifdef MODULE_BOOT_MENU
[491]	128	at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
[397]	129	%endif
[526]	130	%ifdef MODULE_8BIT_IDE_ADVANCED
[473]	131	at ROMVARS.bIdeCnt, db 2 ; Number of supported controllers
[493]	132	%else
	133	at ROMVARS.bIdeCnt, db 1
	134	%endif
[3]	135	at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
[461]	136	at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
[3]	137	at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
[380]	138	at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
[3]	139
[473]	140	at ROMVARS.ideVars0+IDEVARS.wBasePort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
	141	at ROMVARS.ideVars0+IDEVARS.wControlBlockPort, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
	142	at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_XTIDE_REV1
[447]	143	at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	144	at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[143]	145
[493]	146	%ifdef MODULE_8BIT_IDE_ADVANCED
[473]	147	at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_8BIT_XTCF_PIO8
[536]	148	%endif
	149
[447]	150	at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	151	at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[143]	152
[447]	153	at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	154	at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[143]	155
[447]	156	at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	157	at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[175]	158
	159	%ifdef MODULE_SERIAL
	160	at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
[3]	161	%endif
[181]	162	%endif
[3]	163	iend
	164
[380]	165	; Strings are first to avoid them moving unnecessarily when code is turned on and off with %ifdef's
[334]	166	; since some groups of strings need to be on the same 256-byte page.
	167	;
	168	%ifdef MODULE_STRINGS_COMPRESSED
	169	%define STRINGSCOMPRESSED_STRINGS
[380]	170	%include "StringsCompressed.asm"
[334]	171	%else
	172	%include "Strings.asm" ; For BIOS message strings
	173	%endif
	174
[248]	175	; Libraries, data, Initialization and drive detection
[334]	176
[181]	177	%include "AssemblyLibrary.asm"
[334]	178
	179	; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
[380]	180	; established in the assembly library), and are unnecessary if strings are not compressed.
[334]	181	;
	182	%ifdef MODULE_STRINGS_COMPRESSED
[380]	183	%undef STRINGSCOMPRESSED_STRINGS
[334]	184	%define STRINGSCOMPRESSED_TABLES
	185	%include "StringsCompressed.asm"
	186	%endif
[380]	187
[248]	188	%include "Initialize.asm" ; For BIOS initialization
	189	%include "Interrupts.asm" ; For Interrupt initialization
	190	%include "RamVars.asm" ; For RAMVARS initialization and access
[399]	191	%include "BootVars.asm" ; For initializing variables used during init and boot
[392]	192	%include "FloppyDrive.asm" ; Floppy Drive related functions
[285]	193	%include "CreateDPT.asm" ; For creating DPTs
	194	%include "FindDPT.asm" ; For finding DPTs
[181]	195	%include "AccessDPT.asm" ; For accessing DPTs
[421]	196	%include "AtaGeometry.asm" ; For generating L-CHS parameters
[397]	197	%include "DrvDetectInfo.asm" ; For creating DRVDETECTINFO structs
[181]	198	%include "AtaID.asm" ; For ATA Identify Device information
	199	%include "DetectDrives.asm" ; For detecting IDE drives
	200	%include "DetectPrint.asm" ; For printing drive detection strings
[550]	201	%ifdef MODULE_COMPATIBLE_TABLES
	202	%include "CompatibleDPT.asm"
	203	%endif
[395]	204
	205	; Hotkey Bar
	206	%ifdef MODULE_HOTKEYS
[392]	207	%include "HotkeyBar.asm" ; For hotkeys during drive detection and boot menu
[526]	208	%endif
[492]	209	%ifdef MODULE_DRIVEXLATE
	210	%include "DriveXlate.asm" ; For swapping drive numbers, must come immediately after HotkeyBar.asm
[395]	211	%endif
[248]	212
[181]	213	; Boot menu
[379]	214	%ifdef MODULE_BOOT_MENU
[181]	215	%include "BootMenu.asm" ; For Boot Menu operations
	216	%include "BootMenuEvent.asm" ; For menu library event handling
[192]	217	; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
[258]	218	; so that jump table entries in BootMenuEvent stay within 8-bits
	219	%include "BootMenuPrint.asm" ; For printing Boot Menu strings, also includes "BootMenuPrintCfg.asm"
[379]	220	%endif
	221
	222	; Boot loader
	223	%include "Int19h.asm" ; For Int 19h, Boot Loader
[492]	224	%include "BootSector.asm" ; For loading boot sector
[392]	225	%include "Int19hReset.asm" ; INT 19h handler for proper system reset
[3]	226
[181]	227	; For all device types
[192]	228	%include "Idepack.asm"
[181]	229	%include "Device.asm"
	230	%include "Timer.asm" ; For timeout and delay
[155]	231
[181]	232	; IDE Device support
[363]	233	%ifdef MODULE_ADVANCED_ATA
	234	%include "AdvAtaInit.asm" ; For initializing VLB and PCI controllers
	235	%include "Vision.asm" ; QDI Vision QD6500 and QD6580 support
	236	%endif
[181]	237	%include "IdeCommand.asm"
[493]	238	%ifdef MODULE_8BIT_IDE_ADVANCED
[400]	239	%include "JrIdeTransfer.asm" ; Must be included after IdeCommand.asm
[480]	240	%include "IdeDmaBlock.asm"
[400]	241	%endif
	242	%include "IdeTransfer.asm"
[473]	243	%include "IdePioBlock.asm"
[192]	244	%include "IdeWait.asm"
[294]	245	%include "IdeError.asm" ; Must be included after IdeWait.asm
[181]	246	%include "IdeDPT.asm"
	247	%include "IdeIO.asm"
[398]	248	%ifdef MODULE_IRQ
[181]	249	%include "IdeIrq.asm"
[398]	250	%endif
[155]	251
[400]	252	; Serial Device support
[181]	253	%ifdef MODULE_SERIAL ; Serial Port Device support
	254	%include "SerialCommand.asm"
	255	%include "SerialDPT.asm"
[175]	256	%endif
[155]	257
[181]	258	; INT 13h Hard Disk BIOS functions
[552]	259	%include "Int13hBiosInit.asm"
[181]	260	%include "Int13h.asm" ; For Int 13h, Disk functions
[529]	261	%include "AH0h_HReset.asm"
	262	%include "AH1h_HStatus.asm"
	263	%include "AH2h_HRead.asm"
	264	%include "AH3h_HWrite.asm"
	265	%include "AH4h_HVerify.asm"
	266	%include "AH8h_HParams.asm"
	267	%include "AH9h_HInit.asm"
	268	%include "AHCh_HSeek.asm"
	269	%include "AH10h_HReady.asm"
	270	%include "AH11h_HRecal.asm"
	271	%include "AH15h_HSize.asm"
[493]	272	%ifdef MODULE_8BIT_IDE_ADVANCED
[471]	273	%include "AH1Eh_XTCF.asm"
	274	%endif
[529]	275	%include "AH23h_HFeatures.asm"
	276	%include "AH24h_HSetBlocks.asm"
	277	%include "AH25h_HDrvID.asm"
[221]	278	%include "Address.asm" ; For sector address translations
	279	%include "Prepare.asm" ; For buffer pointer normalization
[176]	280	%ifdef MODULE_EBIOS
[181]	281	%include "AH42h_ExtendedReadSectors.asm"
	282	%include "AH43h_ExtendedWriteSectors.asm"
	283	%include "AH44h_ExtendedVerifySectors.asm"
	284	%include "AH47h_ExtendedSeek.asm"
	285	%include "AH48h_GetExtendedDriveParameters.asm"
[221]	286	%include "AH41h_CheckIfExtensionsPresent.asm"
[176]	287	%endif

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