Context Navigation

source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Initialization/DetectPrint.asm@ 480

Visit:

Last change on this file since 480 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: 9.4 KB

Rev	Line
[88]	1	; Project name : XTIDE Universal BIOS
[3]	2	; Description : Functions for printing drive detection strings.
	3
[376]	4	;
	5	; XTIDE Universal BIOS and Associated Tools
	6	; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
	7	;
	8	; This program is free software; you can redistribute it and/or modify
	9	; it under the terms of the GNU General Public License as published by
	10	; the Free Software Foundation; either version 2 of the License, or
	11	; (at your option) any later version.
	12	;
	13	; This program is distributed in the hope that it will be useful,
	14	; but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	; GNU General Public License for more details.
	17	; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
	18	;
	19
[3]	20	; Section containing code
	21	SECTION .text
	22
	23	;--------------------------------------------------------------------
[392]	24	; DetectPrint_InitializeDisplayContext
[386]	25	; Parameters:
	26	; Nothing
	27	; Returns:
	28	; Nothing
	29	; Corrupts registers:
	30	; AX, DI
	31	;--------------------------------------------------------------------
[392]	32	DetectPrint_InitializeDisplayContext:
	33	CALL_DISPLAY_LIBRARY InitializeDisplayContext
[386]	34	ret
	35
	36
	37	;--------------------------------------------------------------------
[392]	38	; DetectPrint_GetSoftwareCoordinatesToAX
	39	; Parameters:
	40	; Nothing
	41	; Returns:
	42	; Nothing
	43	; Corrupts registers:
	44	; AX, DI
	45	;--------------------------------------------------------------------
	46	DetectPrint_GetSoftwareCoordinatesToAX:
	47	CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX
	48	ret
	49
	50
	51	;--------------------------------------------------------------------
[3]	52	; Prints BIOS name and segment address where it is found.
	53	;
	54	; DetectPrint_RomFoundAtSegment
	55	; Parameters:
	56	; Nothing
	57	; Returns:
	58	; Nothing
	59	; Corrupts registers:
[120]	60	; AX, SI, DI
[3]	61	;--------------------------------------------------------------------
	62	DetectPrint_RomFoundAtSegment:
[88]	63	push bp
[97]	64	mov bp, sp
[3]	65	mov si, g_szRomAt
[88]	66	ePUSH_T ax, ROMVARS.szTitle ; Bios title string
	67	push cs ; BIOS segment
[242]	68
[386]	69	jmp DetectPrint_FormatCSSIfromParamsInSSBP
[3]	70
	71
	72	;--------------------------------------------------------------------
[294]	73	; DetectPrint_StartDetectWithMasterOrSlaveStringInCXandIdeVarsInCSBP
[3]	74	; Parameters:
[233]	75	; CS:CX: Ptr to "Master" or "Slave" string
[3]	76	; CS:BP: Ptr to IDEVARS
	77	; Returns:
	78	; Nothing
	79	; Corrupts registers:
[474]	80	; AX, CX, DX, SI, DI
[3]	81	;--------------------------------------------------------------------
[294]	82	DetectPrint_StartDetectWithMasterOrSlaveStringInCXandIdeVarsInCSBP:
[473]	83	mov ax, [cs:bp+IDEVARS.wBasePort] ; for IDE: AX=port address, DH=.bDevice
[474]	84	; Fall to DetectPrint_StartDetectWithAutodetectedBasePortInAX
	85
	86	;--------------------------------------------------------------------
	87	; DetectPrint_StartDetectWithAutodetectedBasePortInAXandIdeVarsInCSBP
	88	; Parameters:
	89	; AX: Base Port Address
	90	; CS:CX: Ptr to "Master" or "Slave" string
	91	; CS:BP: Ptr to IDEVARS
	92	; Returns:
	93	; Nothing
	94	; Corrupts registers:
	95	; AX, CX, DX, SI, DI
	96	;--------------------------------------------------------------------
	97	DetectPrint_StartDetectWithAutodetectedBasePortInAXandIdeVarsInCSBP:
[233]	98	mov dx, [cs:bp+IDEVARS.bDevice-1] ; for Serial: AL=port address>>2, AH=baud rate
	99	; DL=COM number character, DH=.bDevice
[242]	100	push bp ; setup stack for call to
[233]	101	mov bp, sp ; BootMenuPrint_FormatCSSIfromParamsInSSBP
	102
	103	push cx ; Push "Master" or "Slave"
[242]	104
[233]	105	mov cl, (g_szDetectPort-$$) & 0xff ; Setup print string for standard IDE
	106	; Note that we modify only the low order bits of CX a lot here,
	107	; saving code space rather than reloading CX completely.
	108	; This optimization requires that all the g_szDetect* strings are
	109	; on the same 256 byte page, which is checked in strings.asm.
[3]	110
[277]	111	%ifdef MODULE_SERIAL
[244]	112	cmp dh, DEVICE_SERIAL_PORT ; Check if this is a serial device
[233]	113
[244]	114	jnz .pushAndPrint ; CX = string to print, AX = port address, DX won't be used
[233]	115
	116	mov cl, (g_szDetectCOM-$$) & 0xff ; Setup print string for COM ports
	117	push cx ; And push now. We use the fact that format strings can contain
	118	; themselves format strings.
	119
	120	push dx ; Push COM number character
[242]	121	; If the string is going to be "Auto", we will push a NULL (zero)
	122	; here for the COM port number, which will be eaten by the
	123	; print routine (DisplayPrint_CharacterFromAL), resulting in
[235]	124	; just "COM" being printed without a character after it.
[242]	125
[233]	126	mov cl, (g_szDetectCOMAuto-$$) & 0xff ; Setup secondary print string for "Auto"
[242]	127
[244]	128	test dl, dl ; Check if serial port "Auto"
[262]	129	jz .pushAndPrintSerial ; CX = string to print, AX and DX won't be used
[242]	130
[233]	131	mov cl, (g_szDetectCOMLarge-$$) & 0xff ; Setup secondary print string for "COMn/xx.yK"
[3]	132
[233]	133	mov al,ah ; baud rate divisor to AL
	134	cbw ; clear AH, AL will always be less than 128
	135	xchg si,ax ; move AX to SI for divide
[242]	136	mov ax,1152 ; baud rate to display is 115200/divisor, the "00" is handled
[233]	137	; in the print strings
[242]	138	cwd ; clear top 16-bits of dividend
[233]	139	div si ; and divide... Now AX = baud rate/100, DX = 0 (always a clean divide)
[242]	140
[233]	141	mov si,10 ; Now separate the whole portion from the fractional for "K" display
	142	div si ; and divide... Now AX = baud rate/1000, DX = low order digit
[242]	143
	144	cmp ax,si ; < 10: "2400", "9600", etc.; >= 10: "19.2K", "38.4K", etc.
[262]	145	jae .pushAndPrintSerial
[196]	146
[233]	147	mov cl, (g_szDetectCOMSmall-$$) & 0xff ; Setup secondary print string for "COMn/XXy00"
[242]	148
[294]	149	.pushAndPrintSerial:
[242]	150	.pushAndPrint:
[277]	151	%endif
[294]	152
[233]	153	push cx ; Push print string
	154	push ax ; Push high order digits, or port address, or N/A
	155	push dx ; Push low order digit, or N/A
	156
[334]	157	mov si, g_szDetectOuter ; Load SI with default wrapper string "IDE %s at %s: "
	158
[386]	159	jmp SHORT DetectPrint_FormatCSSIfromParamsInSSBP
[196]	160
	161
[3]	162	;--------------------------------------------------------------------
[397]	163	; DetectPrint_DriveNameFromDrvDetectInfoInESBX
[3]	164	; Parameters:
[397]	165	; ES:BX: Ptr to DRVDETECTINFO (if drive found)
[3]	166	; Returns:
	167	; Nothing
	168	; Corrupts registers:
[88]	169	; AX, SI
[3]	170	;--------------------------------------------------------------------
[397]	171	DetectPrint_DriveNameFromDrvDetectInfoInESBX:
[88]	172	push di
	173	push bx
	174
[397]	175	lea si, [bx+DRVDETECTINFO.szDrvName]
[88]	176	mov bx, es
	177	CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI
	178	CALL_DISPLAY_LIBRARY PrintNewlineCharacters
	179
	180	pop bx
	181	pop di
	182	ret
[386]	183
	184	;--------------------------------------------------------------------
	185	; DetectPrint_FailedToLoadFirstSector
	186	; Parameters:
	187	; AH: INT 13h error code
	188	; Returns:
	189	; Nothing
	190	; Corrupts registers:
	191	; AX, CX, SI, DI
	192	;--------------------------------------------------------------------
	193	DetectPrint_FailedToLoadFirstSector:
	194	push bp
	195	mov bp, sp
	196	eMOVZX cx, ah
	197	push cx ; Push INT 13h error code
	198	mov si, g_szReadError
	199	jmp SHORT DetectPrint_FormatCSSIfromParamsInSSBP
	200
	201
	202	;--------------------------------------------------------------------
	203	; DetectPrint_TryToBootFromDL
	204	; Parameters:
	205	; DL: Drive to boot from (translated, 00h or 80h)
	206	; DS: RAMVARS segment
	207	; Returns:
	208	; Nothing
	209	; Corrupts registers:
[392]	210	; AX, DH, SI, DI
[386]	211	;--------------------------------------------------------------------
	212	DetectPrint_TryToBootFromDL:
	213	push bp
	214	mov bp, sp
	215
[395]	216	%ifdef MODULE_HOTKEYS
	217
[392]	218	call DriveXlate_ToOrBack ; DL = Untranslated Drive number
	219	mov dh, dl
	220	call DriveXlate_ToOrBack ; DL = Translated Drive number
[386]	221
[392]	222	call HotkeyBar_ConvertDriveNumberFromDLtoDriveLetter ; DL = Translated letter
	223	xchg dl, dh
	224	call HotkeyBar_ConvertDriveNumberFromDLtoDriveLetter ; DL = Untranslated letter
	225	push dx
	226	xchg dl, dh
	227	push dx
[386]	228
[395]	229	call HotkeyBar_ConvertDriveLetterInDLtoDriveNumber ; Restore DL
[392]	230
[395]	231	%else
	232	ePUSH_T ax, ' ' ; No drive translation so print space
	233
	234	; Get boot drive letters
	235	call FloppyDrive_GetCountToAX
	236	mov ah, 'A' ; AH = First Floppy Drive letter (always 'A')
	237	add al, ah
	238	MAX_U al, 'C' ; AL = First Hard Drive letter ('C', 'D', or 'E')
	239	test dl, dl
	240	eCMOVNS al, ah
	241	push ax
	242
	243	%endif ; MODULE_HOTKEYS
	244
[386]	245	mov si, g_szTryToBoot
	246	jmp SHORT DetectPrint_FormatCSSIfromParamsInSSBP
	247
	248
	249	;--------------------------------------------------------------------
	250	; DetectPrint_NullTerminatedStringFromCSSIandSetCF
	251	; Parameters:
	252	; CS:SI: Ptr to NULL terminated string to print
	253	; Returns:
	254	; CF: Set since menu event was handled successfully
	255	; Corrupts registers:
	256	; AX, DI
	257	;--------------------------------------------------------------------
	258	DetectPrint_NullTerminatedStringFromCSSIandSetCF:
	259	;
	260	; We send all CSSI strings through the Format routine for the case of
	261	; compressed strings, but this doesn't hurt in the non-compressed case either
	262	; (perhaps a little slower, but shouldn't be noticeable to the user)
	263	; and results in smaller code size.
	264	;
	265	push bp
	266	mov bp,sp
[392]	267	; Fall to DetectPrint_FormatCSSIfromParamsInSSBP
[386]	268
	269	;--------------------------------------------------------------------
	270	; DetectPrint_FormatCSSIfromParamsInSSBP
	271	; Parameters:
	272	; CS:SI: Ptr to string to format
	273	; BP: SP before pushing parameters
	274	; Returns:
	275	; BP: Popped from stack
	276	; CF: Set since menu event was handled successfully
	277	; Corrupts registers:
	278	; AX, DI
	279	;--------------------------------------------------------------------
	280	DetectPrint_FormatCSSIfromParamsInSSBP:
	281	CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
	282	stc ; Successful return from menu event
	283	pop bp
	284	ret

Note: See TracBrowser for help on using the repository browser.

Download in other formats: