source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 556

Last change on this file since 556 was 556, checked in by aitotat@…, 11 years ago

Changes to XTIDE Universal BIOS:

  • Removed Windows 98 fix since it broke floppy drive translation.
  • Removed very late initialization from AT builds since it slowed down Windows 98 for unknown reason.
File size: 13.0 KB
Line 
1; Project name : XTIDE Universal BIOS
2; Authors : Tomi Tilli
3; : aitotat@gmail.com
4; :
5; : Greg Lindhorst
6; : gregli@hotmail.com
7; ;
8; : Krister Nordvall
9; : krille_n_@hotmail.com
10; :
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;
16; XTIDE Universal BIOS and Associated Tools
17; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 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.
23;
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
27; GNU General Public License for more details.
28; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
29;
30
31 ORG 0 ; Code start offset 0000h
32
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
36 %define MENUEVENT_INLINE_OFFSETS ; Only one menu required, save space and inline offsets
37 %define INCLUDE_MENU_LIBRARY
38 %define MENU_NO_ESC ; User cannot 'esc' out of the menu
39%else ; If no boot menu included
40 %define INCLUDE_DISPLAY_LIBRARY
41 %define INCLUDE_KEYBOARD_LIBRARY
42 %define INCLUDE_TIME_LIBRARY
43%endif
44
45
46 ; Included .inc files
47 %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
48 %include "ModuleDependency.inc" ; Dependency checks for optional modules. Must be included second!
49 %include "Version.inc"
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
56 %include "BootVars.inc" ; For BOOTVARS struct
57 %include "IdeIO.inc" ; Macros for IDE port I/O
58 %include "DeviceIDE.inc" ; For IDE device equates
59
60
61
62; Section containing code
63SECTION .text
64
65; ROM variables (must start at offset 0)
66CNT_ROM_BLOCKS EQU BIOS_SIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
67istruc ROMVARS
68 at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
69 at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
70 at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
71 at ROMVARS.rgbSign, db FLASH_SIGNATURE
72 at ROMVARS.szTitle, db TITLE_STRING
73 at ROMVARS.szVersion, db ROM_VERSION_STRING
74
75;---------------------------;
76; AT Build default settings ;
77;---------------------------;
78%ifdef USE_AT
79 at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE | MASK_ROMVARS_INCLUDED_MODULES
80 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
81%ifdef MODULE_BOOT_MENU
82 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
83%endif
84 at ROMVARS.bIdeCnt, db 2 ; Number of supported controllers
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
88 at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
89
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 14
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)
96
97 at ROMVARS.ideVars1+IDEVARS.wBasePort, dw DEVICE_ATA_SECONDARY_PORT
98 at ROMVARS.ideVars1+IDEVARS.wControlBlockPort, dw DEVICE_ATA_SECONDARY_PORTCTRL
99 at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
100 at ROMVARS.ideVars1+IDEVARS.bIRQ, db 15
101 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
102 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
103
104 at ROMVARS.ideVars2+IDEVARS.wBasePort, dw DEVICE_ATA_TERTIARY_PORT
105 at ROMVARS.ideVars2+IDEVARS.wControlBlockPort, dw DEVICE_ATA_TERTIARY_PORTCTRL
106 at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_16BIT_ATA
107 at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
108 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
109 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
110
111 at ROMVARS.ideVars3+IDEVARS.wBasePort, dw DEVICE_ATA_QUATERNARY_PORT
112 at ROMVARS.ideVars3+IDEVARS.wControlBlockPort, dw DEVICE_ATA_QUATERNARY_PORTCTRL
113 at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
114 at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
115 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
116 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
117
118%ifdef MODULE_SERIAL
119 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
120%endif
121%else
122;-----------------------------------;
123; XT and XT+ Build default settings ;
124;-----------------------------------;
125 at ROMVARS.wFlags, dw MASK_ROMVARS_INCLUDED_MODULES
126 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
127%ifdef MODULE_BOOT_MENU
128 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
129%endif
130%ifdef MODULE_8BIT_IDE_ADVANCED
131 at ROMVARS.bIdeCnt, db 2 ; Number of supported controllers
132%else
133 at ROMVARS.bIdeCnt, db 1
134%endif
135 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
136 at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
137 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
138 at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
139
140 at ROMVARS.ideVars0+IDEVARS.wBasePort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
141 at ROMVARS.ideVars0+IDEVARS.wControlBlockPort, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
142 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_XTIDE_REV1
143 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
144 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
145
146%ifdef MODULE_8BIT_IDE_ADVANCED
147 at ROMVARS.ideVars1+IDEVARS.wBasePort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
148 at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_8BIT_XTCF_PIO8
149%endif
150
151 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
152 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
153
154 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
155 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
156
157 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
158 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
159
160%ifdef MODULE_SERIAL
161 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
162%endif
163%endif
164iend
165
166 ; Strings are first to avoid them moving unnecessarily when code is turned on and off with %ifdef's
167 ; since some groups of strings need to be on the same 256-byte page.
168 ;
169%ifdef MODULE_STRINGS_COMPRESSED
170 %define STRINGSCOMPRESSED_STRINGS
171 %include "StringsCompressed.asm"
172%else
173 %include "Strings.asm" ; For BIOS message strings
174%endif
175
176 ; Libraries, data, Initialization and drive detection
177
178 %include "AssemblyLibrary.asm"
179
180 ; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
181 ; established in the assembly library), and are unnecessary if strings are not compressed.
182 ;
183%ifdef MODULE_STRINGS_COMPRESSED
184 %undef STRINGSCOMPRESSED_STRINGS
185 %define STRINGSCOMPRESSED_TABLES
186 %include "StringsCompressed.asm"
187%endif
188
189 %include "Initialize.asm" ; For BIOS initialization
190 %include "Interrupts.asm" ; For Interrupt initialization
191 %include "RamVars.asm" ; For RAMVARS initialization and access
192 %include "BootVars.asm" ; For initializing variables used during init and boot
193 %include "FloppyDrive.asm" ; Floppy Drive related functions
194 %include "CreateDPT.asm" ; For creating DPTs
195 %include "FindDPT.asm" ; For finding DPTs
196 %include "AccessDPT.asm" ; For accessing DPTs
197 %include "AtaGeometry.asm" ; For generating L-CHS parameters
198 %include "DrvDetectInfo.asm" ; For creating DRVDETECTINFO structs
199 %include "AtaID.asm" ; For ATA Identify Device information
200 %include "DetectDrives.asm" ; For detecting IDE drives
201 %include "DetectPrint.asm" ; For printing drive detection strings
202%ifdef MODULE_COMPATIBLE_TABLES
203 %include "CompatibleDPT.asm"
204%endif
205
206 ; Hotkey Bar
207%ifdef MODULE_HOTKEYS
208 %include "HotkeyBar.asm" ; For hotkeys during drive detection and boot menu
209%endif
210%ifdef MODULE_DRIVEXLATE
211 %include "DriveXlate.asm" ; For swapping drive numbers, must come immediately after HotkeyBar.asm
212%endif
213
214 ; Boot menu
215%ifdef MODULE_BOOT_MENU
216 %include "BootMenu.asm" ; For Boot Menu operations
217 %include "BootMenuEvent.asm" ; For menu library event handling
218 ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
219 ; so that jump table entries in BootMenuEvent stay within 8-bits
220 %include "BootMenuPrint.asm" ; For printing Boot Menu strings, also includes "BootMenuPrintCfg.asm"
221%endif
222
223 ; Boot loader
224 %include "Int19h.asm" ; For Int 19h, Boot Loader
225 %include "BootSector.asm" ; For loading boot sector
226 %include "Int19hReset.asm" ; INT 19h handler for proper system reset
227
228 ; For all device types
229 %include "Idepack.asm"
230 %include "Device.asm"
231 %include "Timer.asm" ; For timeout and delay
232
233 ; IDE Device support
234%ifdef MODULE_ADVANCED_ATA
235 %include "AdvAtaInit.asm" ; For initializing VLB and PCI controllers
236 %include "Vision.asm" ; QDI Vision QD6500 and QD6580 support
237%endif
238 %include "IdeCommand.asm"
239%ifdef MODULE_8BIT_IDE_ADVANCED
240 %include "JrIdeTransfer.asm" ; Must be included after IdeCommand.asm
241 %include "IdeDmaBlock.asm"
242%endif
243 %include "IdeTransfer.asm"
244 %include "IdePioBlock.asm"
245 %include "IdeWait.asm"
246 %include "IdeError.asm" ; Must be included after IdeWait.asm
247 %include "IdeDPT.asm"
248 %include "IdeIO.asm"
249%ifdef MODULE_IRQ
250 %include "IdeIrq.asm"
251%endif
252
253 ; Serial Device support
254%ifdef MODULE_SERIAL ; Serial Port Device support
255 %include "SerialCommand.asm"
256 %include "SerialDPT.asm"
257%endif
258
259 ; INT 13h Hard Disk BIOS functions
260%ifndef USE_AT
261 %include "Int13hBiosInit.asm"
262%endif
263 %include "Int13h.asm" ; For Int 13h, Disk functions
264 %include "AH0h_HReset.asm"
265 %include "AH1h_HStatus.asm"
266 %include "AH2h_HRead.asm"
267 %include "AH3h_HWrite.asm"
268 %include "AH4h_HVerify.asm"
269 %include "AH8h_HParams.asm"
270 %include "AH9h_HInit.asm"
271 %include "AHCh_HSeek.asm"
272 %include "AH10h_HReady.asm"
273 %include "AH11h_HRecal.asm"
274 %include "AH15h_HSize.asm"
275%ifdef MODULE_8BIT_IDE_ADVANCED
276 %include "AH1Eh_XTCF.asm"
277%endif
278 %include "AH23h_HFeatures.asm"
279 %include "AH24h_HSetBlocks.asm"
280 %include "AH25h_HDrvID.asm"
281 %include "Address.asm" ; For sector address translations
282 %include "Prepare.asm" ; For buffer pointer normalization
283%ifdef MODULE_EBIOS
284 %include "AH42h_ExtendedReadSectors.asm"
285 %include "AH43h_ExtendedWriteSectors.asm"
286 %include "AH44h_ExtendedVerifySectors.asm"
287 %include "AH47h_ExtendedSeek.asm"
288 %include "AH48h_GetExtendedDriveParameters.asm"
289 %include "AH41h_CheckIfExtensionsPresent.asm"
290%endif
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