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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 476

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Last change on this file since 476 was 474, checked in by aitotat@…, 12 years ago

Changes to XTIDE Universal BIOS:

Drive detection now displays autodetected XT-CF port and skips slave drives for XT-CF.
AH=1Eh no longer tries to disable 8-bit mode for memory mapped and DMA transfer modes.
Preparations to implement DMA.

File size: 13.2 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
[376]	17	; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
	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
[277]	38
[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!
[398]	48	%include "ModuleDependency.inc" ; Dependency checks for optional modules
[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)
[239]	66	CNT_ROM_BLOCKS EQU ROMSIZE / 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
	82	at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
	83	%endif
[461]	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
[473]	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
	92	at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
	93	at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0
[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
[473]	97	at ROMVARS.ideVars1+IDEVARS.bXTCFcontrolRegister, db 0
	98	at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_8BIT_XTCF_PIO8
	99	;at ROMVARS.ideVars1+IDEVARS.wBasePort, dw DEVICE_ATA_SECONDARY_PORT
	100	;at ROMVARS.ideVars1+IDEVARS.wControlBlockPort, dw DEVICE_ATA_SECONDARY_PORTCTRL
	101	;at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
	102	;at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0
[422]	103	at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	104	at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[3]	105
[473]	106	at ROMVARS.ideVars2+IDEVARS.wBasePort, dw DEVICE_ATA_TERTIARY_PORT
	107	at ROMVARS.ideVars2+IDEVARS.wControlBlockPort, dw DEVICE_ATA_TERTIARY_PORTCTRL
	108	at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_16BIT_ATA
	109	at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
[422]	110	at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	111	at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[143]	112
[473]	113	at ROMVARS.ideVars3+IDEVARS.wBasePort, dw DEVICE_ATA_QUATERNARY_PORT
	114	at ROMVARS.ideVars3+IDEVARS.wControlBlockPort, dw DEVICE_ATA_QUATERNARY_PORTCTRL
	115	at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
	116	at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
[422]	117	at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	118	at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[175]	119
	120	%ifdef MODULE_SERIAL
	121	at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
[181]	122	%endif
[3]	123	%else
	124	;-----------------------------------;
	125	; XT and XT+ Build default settings ;
	126	;-----------------------------------;
[397]	127	at ROMVARS.wFlags, dw MASK_ROMVARS_INCLUDED_MODULES
[143]	128	at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
[397]	129	%ifdef MODULE_BOOT_MENU
	130	at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
	131	%endif
[473]	132	at ROMVARS.bIdeCnt, db 2 ; Number of supported controllers
[3]	133	at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
[461]	134	at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
[3]	135	at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
[380]	136	at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
[3]	137
[473]	138	at ROMVARS.ideVars0+IDEVARS.wBasePort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
	139	at ROMVARS.ideVars0+IDEVARS.wControlBlockPort, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
	140	at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_XTIDE_REV1
[447]	141	at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	142	at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[143]	143
[473]	144	at ROMVARS.ideVars1+IDEVARS.bXTCFcontrolRegister, db 0
	145	at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_8BIT_XTCF_PIO8
[447]	146	at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	147	at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[143]	148
[447]	149	at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	150	at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[143]	151
[447]	152	at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
	153	at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE \| FLG_DRVPARAMS_BLOCKMODE \| (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[175]	154
	155	%ifdef MODULE_SERIAL
	156	at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
[3]	157	%endif
[181]	158	%endif
[3]	159	iend
	160
[380]	161	; Strings are first to avoid them moving unnecessarily when code is turned on and off with %ifdef's
[334]	162	; since some groups of strings need to be on the same 256-byte page.
	163	;
	164	%ifdef MODULE_STRINGS_COMPRESSED
	165	%define STRINGSCOMPRESSED_STRINGS
[380]	166	%include "StringsCompressed.asm"
[334]	167	%else
	168	%include "Strings.asm" ; For BIOS message strings
	169	%endif
	170
[248]	171	; Libraries, data, Initialization and drive detection
[334]	172
[181]	173	%include "AssemblyLibrary.asm"
[334]	174
	175	; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
[380]	176	; established in the assembly library), and are unnecessary if strings are not compressed.
[334]	177	;
	178	%ifdef MODULE_STRINGS_COMPRESSED
[380]	179	%undef STRINGSCOMPRESSED_STRINGS
[334]	180	%define STRINGSCOMPRESSED_TABLES
	181	%include "StringsCompressed.asm"
	182	%endif
[380]	183
[248]	184	%include "Initialize.asm" ; For BIOS initialization
	185	%include "Interrupts.asm" ; For Interrupt initialization
	186	%include "RamVars.asm" ; For RAMVARS initialization and access
[399]	187	%include "BootVars.asm" ; For initializing variables used during init and boot
[392]	188	%include "FloppyDrive.asm" ; Floppy Drive related functions
[285]	189	%include "CreateDPT.asm" ; For creating DPTs
	190	%include "FindDPT.asm" ; For finding DPTs
[181]	191	%include "AccessDPT.asm" ; For accessing DPTs
[421]	192	%include "AtaGeometry.asm" ; For generating L-CHS parameters
[397]	193	%include "DrvDetectInfo.asm" ; For creating DRVDETECTINFO structs
[181]	194	%include "AtaID.asm" ; For ATA Identify Device information
	195	%include "DetectDrives.asm" ; For detecting IDE drives
	196	%include "DetectPrint.asm" ; For printing drive detection strings
[395]	197
	198	; Hotkey Bar
	199	%ifdef MODULE_HOTKEYS
[392]	200	%include "HotkeyBar.asm" ; For hotkeys during drive detection and boot menu
[395]	201	%include "DriveXlate.asm" ; For swapping drive numbers
	202	%endif
[248]	203
[181]	204	; Boot menu
[379]	205	%ifdef MODULE_BOOT_MENU
[181]	206	%include "BootMenu.asm" ; For Boot Menu operations
	207	%include "BootMenuEvent.asm" ; For menu library event handling
[192]	208	; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
[258]	209	; so that jump table entries in BootMenuEvent stay within 8-bits
	210	%include "BootMenuPrint.asm" ; For printing Boot Menu strings, also includes "BootMenuPrintCfg.asm"
[379]	211	%endif
	212
	213	; Boot loader
	214	%include "Int19h.asm" ; For Int 19h, Boot Loader
[392]	215	%include "Int19hReset.asm" ; INT 19h handler for proper system reset
[181]	216	%include "BootSector.asm" ; For loading boot sector
[3]	217
[181]	218	; For all device types
[192]	219	%include "Idepack.asm"
[181]	220	%include "Device.asm"
	221	%include "Timer.asm" ; For timeout and delay
[155]	222
[181]	223	; IDE Device support
[363]	224	%ifdef MODULE_ADVANCED_ATA
	225	%include "AdvAtaInit.asm" ; For initializing VLB and PCI controllers
	226	%include "Vision.asm" ; QDI Vision QD6500 and QD6580 support
	227	%endif
[181]	228	%include "IdeCommand.asm"
[473]	229	%ifdef MODULE_8BIT_IDE
[400]	230	%include "JrIdeTransfer.asm" ; Must be included after IdeCommand.asm
[474]	231	%include "IdeDmaTransfer.asm"
[400]	232	%endif
	233	%include "IdeTransfer.asm"
[473]	234	%include "IdePioBlock.asm"
[192]	235	%include "IdeWait.asm"
[294]	236	%include "IdeError.asm" ; Must be included after IdeWait.asm
[181]	237	%include "IdeDPT.asm"
	238	%include "IdeIO.asm"
[398]	239	%ifdef MODULE_IRQ
[181]	240	%include "IdeIrq.asm"
[398]	241	%endif
[155]	242
[400]	243	; Serial Device support
[181]	244	%ifdef MODULE_SERIAL ; Serial Port Device support
	245	%include "SerialCommand.asm"
	246	%include "SerialDPT.asm"
[175]	247	%endif
[155]	248
[181]	249	; INT 13h Hard Disk BIOS functions
	250	%include "Int13h.asm" ; For Int 13h, Disk functions
	251	%include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
	252	%include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
	253	%include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
	254	%include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
	255	%include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
	256	%include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
	257	%include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
	258	%include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
	259	%include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
	260	%include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
	261	%include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
	262	%include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
[471]	263	%ifdef MODULE_8BIT_IDE
	264	%include "AH1Eh_XTCF.asm"
	265	%endif
[181]	266	%include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
	267	%include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
	268	%include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
[221]	269	%include "Address.asm" ; For sector address translations
	270	%include "Prepare.asm" ; For buffer pointer normalization
[176]	271	%ifdef MODULE_EBIOS
[181]	272	%include "AH42h_ExtendedReadSectors.asm"
	273	%include "AH43h_ExtendedWriteSectors.asm"
	274	%include "AH44h_ExtendedVerifySectors.asm"
	275	%include "AH47h_ExtendedSeek.asm"
	276	%include "AH48h_GetExtendedDriveParameters.asm"
[221]	277	%include "AH41h_CheckIfExtensionsPresent.asm"
[176]	278	%endif

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