source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Initialization/DetectPrint.asm@ 443

Last change on this file since 443 was 400, checked in by aitotat@…, 13 years ago

Changes to XTIDE Universal BIOS:

  • Moved 8-bit device support to MODULE_8BIT_IDE.
  • JR-IDE/ISA support requires a lot less bytes.
  • AT builds now always use full operating mode.
File size: 9.0 KB
Line 
1; Project name : XTIDE Universal BIOS
2; Description : Functions for printing drive detection strings.
3
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
20; Section containing code
21SECTION .text
22
23;--------------------------------------------------------------------
24; DetectPrint_InitializeDisplayContext
25; Parameters:
26; Nothing
27; Returns:
28; Nothing
29; Corrupts registers:
30; AX, DI
31;--------------------------------------------------------------------
32DetectPrint_InitializeDisplayContext:
33 CALL_DISPLAY_LIBRARY InitializeDisplayContext
34 ret
35
36
37;--------------------------------------------------------------------
38; DetectPrint_GetSoftwareCoordinatesToAX
39; Parameters:
40; Nothing
41; Returns:
42; Nothing
43; Corrupts registers:
44; AX, DI
45;--------------------------------------------------------------------
46DetectPrint_GetSoftwareCoordinatesToAX:
47 CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX
48 ret
49
50
51;--------------------------------------------------------------------
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:
60; AX, SI, DI
61;--------------------------------------------------------------------
62DetectPrint_RomFoundAtSegment:
63 push bp
64 mov bp, sp
65 mov si, g_szRomAt
66 ePUSH_T ax, ROMVARS.szTitle ; Bios title string
67 push cs ; BIOS segment
68
69 jmp DetectPrint_FormatCSSIfromParamsInSSBP
70
71
72;--------------------------------------------------------------------
73; DetectPrint_StartDetectWithMasterOrSlaveStringInCXandIdeVarsInCSBP
74; Parameters:
75; CS:CX: Ptr to "Master" or "Slave" string
76; CS:BP: Ptr to IDEVARS
77; SI: Ptr to template string
78; Returns:
79; Nothing
80; Corrupts registers:
81; AX, SI, DI, CX
82;--------------------------------------------------------------------
83DetectPrint_StartDetectWithMasterOrSlaveStringInCXandIdeVarsInCSBP:
84 mov ax, [cs:bp+IDEVARS.wPort] ; for IDE: AX=port address, DH=.bDevice
85 mov dx, [cs:bp+IDEVARS.bDevice-1] ; for Serial: AL=port address>>2, AH=baud rate
86 ; DL=COM number character, DH=.bDevice
87%ifdef MODULE_JRIDE
88 cmp dh, DEVICE_8BIT_JRIDE_ISA
89 eCMOVE ax, cs ; Use segment address for JR-IDE/ISA
90%endif
91
92 push bp ; setup stack for call to
93 mov bp, sp ; BootMenuPrint_FormatCSSIfromParamsInSSBP
94
95 push cx ; Push "Master" or "Slave"
96
97 mov cl, (g_szDetectPort-$$) & 0xff ; Setup print string for standard IDE
98 ; Note that we modify only the low order bits of CX a lot here,
99 ; saving code space rather than reloading CX completely.
100 ; This optimization requires that all the g_szDetect* strings are
101 ; on the same 256 byte page, which is checked in strings.asm.
102
103%ifdef MODULE_SERIAL
104 cmp dh, DEVICE_SERIAL_PORT ; Check if this is a serial device
105
106 jnz .pushAndPrint ; CX = string to print, AX = port address, DX won't be used
107
108 mov cl, (g_szDetectCOM-$$) & 0xff ; Setup print string for COM ports
109 push cx ; And push now. We use the fact that format strings can contain
110 ; themselves format strings.
111
112 push dx ; Push COM number character
113 ; If the string is going to be "Auto", we will push a NULL (zero)
114 ; here for the COM port number, which will be eaten by the
115 ; print routine (DisplayPrint_CharacterFromAL), resulting in
116 ; just "COM" being printed without a character after it.
117
118 mov cl, (g_szDetectCOMAuto-$$) & 0xff ; Setup secondary print string for "Auto"
119
120 test dl, dl ; Check if serial port "Auto"
121 jz .pushAndPrintSerial ; CX = string to print, AX and DX won't be used
122
123 mov cl, (g_szDetectCOMLarge-$$) & 0xff ; Setup secondary print string for "COMn/xx.yK"
124
125 mov al,ah ; baud rate divisor to AL
126 cbw ; clear AH, AL will always be less than 128
127 xchg si,ax ; move AX to SI for divide
128 mov ax,1152 ; baud rate to display is 115200/divisor, the "00" is handled
129 ; in the print strings
130 cwd ; clear top 16-bits of dividend
131 div si ; and divide... Now AX = baud rate/100, DX = 0 (always a clean divide)
132
133 mov si,10 ; Now separate the whole portion from the fractional for "K" display
134 div si ; and divide... Now AX = baud rate/1000, DX = low order digit
135
136 cmp ax,si ; < 10: "2400", "9600", etc.; >= 10: "19.2K", "38.4K", etc.
137 jae .pushAndPrintSerial
138
139 mov cl, (g_szDetectCOMSmall-$$) & 0xff ; Setup secondary print string for "COMn/XXy00"
140
141.pushAndPrintSerial:
142.pushAndPrint:
143%endif
144
145 push cx ; Push print string
146 push ax ; Push high order digits, or port address, or N/A
147 push dx ; Push low order digit, or N/A
148
149 mov si, g_szDetectOuter ; Load SI with default wrapper string "IDE %s at %s: "
150
151 jmp SHORT DetectPrint_FormatCSSIfromParamsInSSBP
152
153
154;--------------------------------------------------------------------
155; DetectPrint_DriveNameFromDrvDetectInfoInESBX
156; Parameters:
157; ES:BX: Ptr to DRVDETECTINFO (if drive found)
158; Returns:
159; Nothing
160; Corrupts registers:
161; AX, SI
162;--------------------------------------------------------------------
163DetectPrint_DriveNameFromDrvDetectInfoInESBX:
164 push di
165 push bx
166
167 lea si, [bx+DRVDETECTINFO.szDrvName]
168 mov bx, es
169 CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI
170 CALL_DISPLAY_LIBRARY PrintNewlineCharacters
171
172 pop bx
173 pop di
174 ret
175
176;--------------------------------------------------------------------
177; DetectPrint_FailedToLoadFirstSector
178; Parameters:
179; AH: INT 13h error code
180; Returns:
181; Nothing
182; Corrupts registers:
183; AX, CX, SI, DI
184;--------------------------------------------------------------------
185DetectPrint_FailedToLoadFirstSector:
186 push bp
187 mov bp, sp
188 eMOVZX cx, ah
189 push cx ; Push INT 13h error code
190 mov si, g_szReadError
191 jmp SHORT DetectPrint_FormatCSSIfromParamsInSSBP
192
193
194;--------------------------------------------------------------------
195; DetectPrint_TryToBootFromDL
196; Parameters:
197; DL: Drive to boot from (translated, 00h or 80h)
198; DS: RAMVARS segment
199; Returns:
200; Nothing
201; Corrupts registers:
202; AX, DH, SI, DI
203;--------------------------------------------------------------------
204DetectPrint_TryToBootFromDL:
205 push bp
206 mov bp, sp
207
208%ifdef MODULE_HOTKEYS
209
210 call DriveXlate_ToOrBack ; DL = Untranslated Drive number
211 mov dh, dl
212 call DriveXlate_ToOrBack ; DL = Translated Drive number
213
214 call HotkeyBar_ConvertDriveNumberFromDLtoDriveLetter ; DL = Translated letter
215 xchg dl, dh
216 call HotkeyBar_ConvertDriveNumberFromDLtoDriveLetter ; DL = Untranslated letter
217 push dx
218 xchg dl, dh
219 push dx
220
221 call HotkeyBar_ConvertDriveLetterInDLtoDriveNumber ; Restore DL
222
223%else
224 ePUSH_T ax, ' ' ; No drive translation so print space
225
226 ; Get boot drive letters
227 call FloppyDrive_GetCountToAX
228 mov ah, 'A' ; AH = First Floppy Drive letter (always 'A')
229 add al, ah
230 MAX_U al, 'C' ; AL = First Hard Drive letter ('C', 'D', or 'E')
231 test dl, dl
232 eCMOVNS al, ah
233 push ax
234
235%endif ; MODULE_HOTKEYS
236
237 mov si, g_szTryToBoot
238 jmp SHORT DetectPrint_FormatCSSIfromParamsInSSBP
239
240
241;--------------------------------------------------------------------
242; DetectPrint_NullTerminatedStringFromCSSIandSetCF
243; Parameters:
244; CS:SI: Ptr to NULL terminated string to print
245; Returns:
246; CF: Set since menu event was handled successfully
247; Corrupts registers:
248; AX, DI
249;--------------------------------------------------------------------
250DetectPrint_NullTerminatedStringFromCSSIandSetCF:
251;
252; We send all CSSI strings through the Format routine for the case of
253; compressed strings, but this doesn't hurt in the non-compressed case either
254; (perhaps a little slower, but shouldn't be noticeable to the user)
255; and results in smaller code size.
256;
257 push bp
258 mov bp,sp
259 ; Fall to DetectPrint_FormatCSSIfromParamsInSSBP
260
261;--------------------------------------------------------------------
262; DetectPrint_FormatCSSIfromParamsInSSBP
263; Parameters:
264; CS:SI: Ptr to string to format
265; BP: SP before pushing parameters
266; Returns:
267; BP: Popped from stack
268; CF: Set since menu event was handled successfully
269; Corrupts registers:
270; AX, DI
271;--------------------------------------------------------------------
272DetectPrint_FormatCSSIfromParamsInSSBP:
273 CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
274 stc ; Successful return from menu event
275 pop bp
276 ret
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