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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm @ 221

Last change on this file since 221 was 221, checked in by aitotat@…, 12 years ago

Changes to XTIDE Universal BIOS:

AH=0Ch (Seek) should work properly again.
More than 127 sectors are no longer allowed for EBIOS functions.
Changed location for BOOTNFO structs.

File size: 10.6 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
	15	ORG 000h ; Code start offset 0000h
	16
[183]	17	%define MENUEVENT_INLINE_OFFSETS ; Only one menu required, save space and inline offsets
	18
[181]	19	; Included .inc files
	20	%include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
	21	%include "IntController.inc" ; For Interrupt Controller equates
	22	%include "ATA_ID.inc" ; For ATA Drive Information structs
	23	%include "IdeRegisters.inc" ; For ATA Registers, flags and commands
	24	%include "Int13h.inc" ; Equates for INT 13h functions
[176]	25	%ifdef MODULE_EBIOS
[181]	26	%include "EBIOS.inc" ; Equates for EBIOS functions
[176]	27	%endif
[181]	28	%include "CustomDPT.inc" ; For Disk Parameter Table
	29	%include "RomVars.inc" ; For ROMVARS and IDEVARS structs
	30	%include "RamVars.inc" ; For RAMVARS struct
	31	%include "BootVars.inc" ; For BOOTVARS and BOOTNFO structs
	32	%include "BootMenu.inc" ; For Boot Menu
	33	%include "IDE_8bit.inc" ; For IDE 8-bit data port macros
	34	%include "DeviceIDE.inc" ; For IDE device equates
[3]	35
	36
	37	; Section containing code
	38	SECTION .text
	39
	40	; ROM variables (must start at offset 0)
	41	CNT_ROM_BLOCKS EQU 16 ; 16 * 512B = 8kB BIOS
	42	istruc ROMVARS
	43	at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
	44	at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
[181]	45	at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
[88]	46	at ROMVARS.rgbSign, db "XTIDE120" ; Signature for flash program
[3]	47	at ROMVARS.szTitle
	48	db "-=XTIDE Universal BIOS"
	49	%ifdef USE_AT
[88]	50	db " (AT)=-",NULL
[3]	51	%elifdef USE_186
[88]	52	db " (XT+)=-",NULL
[3]	53	%else
[88]	54	db " (XT)=-",NULL
[3]	55	%endif
[97]	56	at ROMVARS.szVersion, db "v1.2.0_wip (",__DATE__,")",NULL
[3]	57
[179]	58	;;; For OR'ing into wFlags below
[181]	59	;;;
[179]	60	%ifdef MODULE_SERIAL
[181]	61	MAIN_FLG_MODULE_SERIAL equ FLG_ROMVARS_MODULE_SERIAL
[179]	62	%else
[181]	63	MAIN_FLG_MODULE_SERIAL equ 0
[179]	64	%endif
	65
	66	%ifdef MODULE_EBIOS
[181]	67	MAIN_FLG_MODULE_EBIOS equ FLG_ROMVARS_MODULE_EBIOS
[179]	68	%else
[181]	69	MAIN_FLG_MODULE_EBIOS equ 0
[179]	70	%endif
	71
[3]	72	;---------------------------;
	73	; AT Build default settings ;
	74	;---------------------------;
	75	%ifdef USE_AT
[179]	76	at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE \| FLG_ROMVARS_DRVXLAT \| MAIN_FLG_MODULE_SERIAL \| MAIN_FLG_MODULE_EBIOS
[143]	77	at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
[137]	78	at ROMVARS.wBootTimeout, dw 30 * TICKS_PER_SECOND ; Boot Menu selection timeout
[150]	79	at ROMVARS.bIdeCnt, db 4 ; Number of supported controllers
[3]	80	at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
	81	at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
	82	at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory
	83
[199]	84	at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_ATA_DEFAULT_PORT ; Controller Command Block base port
	85	at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_ATA_DEFAULT_PORTCTRL ; Controller Control Block base port
[150]	86	at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[160]	87	at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0
[3]	88	at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	89	at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	90
	91	at ROMVARS.ideVars1+IDEVARS.wPort, dw 170h ; Controller Command Block base port
	92	at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw 370h ; Controller Control Block base port
[150]	93	at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[160]	94	at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0
[3]	95	at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	96	at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	97
[199]	98	at ROMVARS.ideVars2+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
	99	at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
[150]	100	at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_8BIT_DUAL_PORT_XTIDE
	101	at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
[3]	102	at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	103	at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
[143]	104
	105	at ROMVARS.ideVars3+IDEVARS.wPort, dw 168h ; Controller Command Block base port
	106	at ROMVARS.ideVars3+IDEVARS.wPortCtrl, dw 368h ; Controller Control Block base port
[150]	107	at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
	108	at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
[143]	109	at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	110	at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
[175]	111
	112	%ifdef MODULE_SERIAL
	113	at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
	114	at ROMVARS.ideVarsSerialAuto+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
[181]	115	at ROMVARS.ideVarsSerialAuto+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	116	%endif
[3]	117	%else
	118	;-----------------------------------;
	119	; XT and XT+ Build default settings ;
	120	;-----------------------------------;
[179]	121	at ROMVARS.wFlags, dw FLG_ROMVARS_DRVXLAT \| MAIN_FLG_MODULE_SERIAL \| MAIN_FLG_MODULE_EBIOS
[143]	122	at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
[137]	123	at ROMVARS.wBootTimeout, dw 30 * TICKS_PER_SECOND ; Boot Menu selection timeout
[3]	124	at ROMVARS.bIdeCnt, db 1 ; Number of supported controllers
	125	at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
	126	at ROMVARS.bMinFddCnt, db 1 ; Assume at least 1 floppy drive present if autodetect fails
	127	at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
	128
[199]	129	at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
	130	at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
[150]	131	at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_DUAL_PORT_XTIDE
[3]	132	at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 ; IRQ
	133	at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	134	at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
[143]	135
	136	at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	137	at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	138
	139	at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	140	at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	141
	142	at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
	143	at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
[175]	144
	145	%ifdef MODULE_SERIAL
	146	at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
	147	at ROMVARS.ideVarsSerialAuto+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
[181]	148	at ROMVARS.ideVarsSerialAuto+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
[3]	149	%endif
[181]	150	%endif
[3]	151	iend
	152
[181]	153	; Libraries and data
	154	%include "AssemblyLibrary.asm"
[186]	155	%ifdef MODULE_STRINGS_COMPRESSED
	156	%include "StringsCompressed.asm"
	157	%else
[181]	158	%include "Strings.asm" ; For BIOS message strings
[186]	159	%endif
[3]	160
[181]	161	; Initialization and drive detection
	162	%include "Initialize.asm" ; For BIOS initialization
	163	%include "Interrupts.asm" ; For Interrupt initialization
	164	%include "RamVars.asm" ; For RAMVARS initialization and access
	165	%include "CreateDPT.asm" ; For creating DPTs
	166	%include "FindDPT.asm" ; For finding DPTs
	167	%include "AccessDPT.asm" ; For accessing DPTs
	168	%include "BootInfo.asm" ; For creating BOOTNFO structs
	169	%include "AtaID.asm" ; For ATA Identify Device information
	170	%include "DetectDrives.asm" ; For detecting IDE drives
	171	%include "DetectPrint.asm" ; For printing drive detection strings
[192]	172
[181]	173	; Boot menu
	174	%include "BootMenu.asm" ; For Boot Menu operations
	175	%include "BootMenuEvent.asm" ; For menu library event handling
[192]	176	; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
	177	%include "BootMenuPrint.asm" ; For printing Boot Menu strings
	178	%include "BootPrint.asm" ; For printing boot information
	179	%include "BootMenuPrintCfg.asm" ; For printing hard disk configuration
[181]	180	%include "FloppyDrive.asm" ; Floppy Drive related functions
	181	%include "BootSector.asm" ; For loading boot sector
[3]	182
[181]	183	; Boot loader
[90]	184	%ifndef USE_AT
[181]	185	%include "Int19hLate.asm" ; For late initialization
[90]	186	%endif
[181]	187	%include "Int19hMenu.asm" ; For Int 19h, Boot Loader for Boot Menu
[3]	188
[181]	189	; For all device types
[192]	190	%include "Idepack.asm"
[181]	191	%include "Device.asm"
	192	%include "Timer.asm" ; For timeout and delay
[155]	193
[181]	194	; IDE Device support
	195	%include "IdeCommand.asm"
	196	%include "IdeTransfer.asm" ; Must be included after IdeCommand.asm
[192]	197	%include "IdeWait.asm"
	198	%include "IdeError.asm" ; Must be included after IdeWait.asm
[181]	199	%include "IdeDPT.asm"
	200	%include "IdeIO.asm"
	201	%include "IdeIrq.asm"
[155]	202
[181]	203	%ifdef MODULE_SERIAL ; Serial Port Device support
	204	%include "SerialCommand.asm"
	205	%include "SerialDPT.asm"
[175]	206	%endif
[155]	207
[181]	208	; INT 13h Hard Disk BIOS functions
	209	%include "Int13h.asm" ; For Int 13h, Disk functions
	210	%include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
	211	%include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
	212	%include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
	213	%include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
	214	%include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
	215	%include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
	216	%include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
	217	%include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
	218	%include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
	219	%include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
	220	%include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
	221	%include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
	222	%include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
	223	%include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
	224	%include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
[221]	225	%include "DriveXlate.asm" ; For swapping drive numbers
	226	%include "Address.asm" ; For sector address translations
	227	%include "Prepare.asm" ; For buffer pointer normalization
[176]	228	%ifdef MODULE_EBIOS
[181]	229	%include "AH42h_ExtendedReadSectors.asm"
	230	%include "AH43h_ExtendedWriteSectors.asm"
	231	%include "AH44h_ExtendedVerifySectors.asm"
	232	%include "AH47h_ExtendedSeek.asm"
	233	%include "AH48h_GetExtendedDriveParameters.asm"
[221]	234	%include "AH41h_CheckIfExtensionsPresent.asm"
[176]	235	%endif
[3]	236
	237
	238	; Fill with zeroes until size is what we want
[88]	239	;times (CNT_ROM_BLOCKS*512)-($-$$) db 0

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