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source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 209

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Last change on this file since 209 was 199, checked in by gregli@…, 13 years ago
Adding proper serial port support to the Configurator, which required some minor changes elsewhere. Also added an option, off by default, to automatically scan for serial drives at the end of normal drive detection (no ALT key required, although that is still available if the option is off).
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 "DriveXlate.asm" ; For swapping drive numbers
	210	%include "Address.asm" ; For sector address translations
	211	%include "CommandLookup.asm" ; For getting correct transfer command
	212	%include "Int13h.asm" ; For Int 13h, Disk functions
	213	%include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
	214	%include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
	215	%include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
	216	%include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
	217	%include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
	218	%include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
	219	%include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
	220	%include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
	221	%include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
	222	%include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
	223	%include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
	224	%include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
	225	%include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
	226	%include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
	227	%include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
[176]	228	%ifdef MODULE_EBIOS
[181]	229	%include "AH41h_CheckIfExtensionsPresent.asm"
	230	%include "AH42h_ExtendedReadSectors.asm"
	231	%include "AH43h_ExtendedWriteSectors.asm"
	232	%include "AH44h_ExtendedVerifySectors.asm"
	233	%include "AH47h_ExtendedSeek.asm"
	234	%include "AH48h_GetExtendedDriveParameters.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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