source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 387

Last change on this file since 387 was 386, checked in by aitotat@…, 13 years ago

Changes to XTIDE Universal BIOS:

  • Boot menu is now an optional module (MODULE_BOOT_MENU).
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, 2011-2012 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
39%else ; If no boot menu included
40 %define INCLUDE_DISPLAY_LIBRARY
41 %define INCLUDE_TIME_LIBRARY
42%endif
43
44
45 ; Included .inc files
46 %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
47 %include "Version.inc"
48 %include "IntController.inc" ; For Interrupt Controller equates
49 %include "ATA_ID.inc" ; For ATA Drive Information structs
50 %include "IdeRegisters.inc" ; For ATA Registers, flags and commands
51 %include "Int13h.inc" ; Equates for INT 13h functions
52%ifdef MODULE_EBIOS
53 %include "EBIOS.inc" ; Equates for EBIOS functions
54%endif
55 %include "CustomDPT.inc" ; For Disk Parameter Table
56 %include "RomVars.inc" ; For ROMVARS and IDEVARS structs
57 %include "RamVars.inc" ; For RAMVARS struct
58 %include "BootVars.inc" ; For BOOTVARS struct
59 %include "BootMenu.inc" ; For Boot Menu
60 %include "IDE_8bit.inc" ; For IDE 8-bit data port macros
61 %include "DeviceIDE.inc" ; For IDE device equates
62 %include "Vision.inc" ; For QDI Vision QD65xx VLB IDE Controllers
63
64
65; Section containing code
66SECTION .text
67
68; ROM variables (must start at offset 0)
69CNT_ROM_BLOCKS EQU ROMSIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
70istruc ROMVARS
71 at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
72 at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
73 at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
74 at ROMVARS.rgbSign, db FLASH_SIGNATURE
75 at ROMVARS.szTitle, db TITLE_STRING
76 at ROMVARS.szVersion, db ROM_VERSION_STRING
77
78;;; For OR'ing into wFlags below
79;;;
80%ifdef MODULE_SERIAL
81 MAIN_FLG_MODULE_SERIAL equ FLG_ROMVARS_MODULE_SERIAL
82%else
83 MAIN_FLG_MODULE_SERIAL equ 0
84%endif
85
86%ifdef MODULE_EBIOS
87 MAIN_FLG_MODULE_EBIOS equ FLG_ROMVARS_MODULE_EBIOS
88%else
89 MAIN_FLG_MODULE_EBIOS equ 0
90%endif
91
92%ifdef MODULE_JRIDE
93 MAIN_FLG_MODULE_JRIDE equ FLG_ROMVARS_MODULE_JRIDE
94%else
95 MAIN_FLG_MODULE_JRIDE equ 0
96%endif
97
98%ifdef MODULE_ADVANCED_ATA
99 MAIN_FLG_MODULE_ADVATA equ FLG_ROMVARS_MODULE_ADVATA
100%else
101 MAIN_FLG_MODULE_ADVATA equ 0
102%endif
103
104
105;---------------------------;
106; AT Build default settings ;
107;---------------------------;
108%ifdef USE_AT
109 at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE | FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS | MAIN_FLG_MODULE_JRIDE | MAIN_FLG_MODULE_ADVATA
110 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
111 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
112 at ROMVARS.bIdeCnt, db 4 ; Number of supported controllers
113 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
114 at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
115 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory
116 at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
117
118 at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_ATA_DEFAULT_PORT ; Controller Command Block base port
119 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_ATA_DEFAULT_PORTCTRL ; Controller Control Block base port
120 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
121 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0
122 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
123 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
124
125 at ROMVARS.ideVars1+IDEVARS.wPort, dw DEVICE_ATA_DEFAULT_SECONDARY_PORT
126 at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw DEVICE_ATA_DEFAULT_SECONDARY_PORTCTRL
127 at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
128 at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0
129 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
130 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
131
132 at ROMVARS.ideVars2+IDEVARS.wPort, dw 1E8h
133 at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw 3E8h
134 at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_16BIT_ATA
135 at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
136 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
137 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
138
139 at ROMVARS.ideVars3+IDEVARS.wPort, dw 168h
140 at ROMVARS.ideVars3+IDEVARS.wPortCtrl, dw 368h
141 at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
142 at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
143 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
144 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
145
146%ifdef MODULE_SERIAL
147 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
148%endif
149%else
150;-----------------------------------;
151; XT and XT+ Build default settings ;
152;-----------------------------------;
153 at ROMVARS.wFlags, dw FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS | MAIN_FLG_MODULE_JRIDE | MAIN_FLG_MODULE_ADVATA
154 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
155 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
156 at ROMVARS.bIdeCnt, db 1 ; Number of supported controllers
157 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
158 at ROMVARS.bMinFddCnt, db 1 ; Assume at least 1 floppy drive present if autodetect fails
159 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
160 at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
161
162 at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
163 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
164%ifdef MODULE_JRIDE
165 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_JRIDE_ISA
166%else
167 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_XTIDE_REV1
168%endif
169 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 ; IRQ
170 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
171 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
172
173 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
174 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
175
176 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
177 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
178
179 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
180 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
181
182%ifdef MODULE_SERIAL
183 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
184%endif
185%endif
186iend
187
188 ; Strings are first to avoid them moving unnecessarily when code is turned on and off with %ifdef's
189 ; since some groups of strings need to be on the same 256-byte page.
190 ;
191%ifdef MODULE_STRINGS_COMPRESSED
192 %define STRINGSCOMPRESSED_STRINGS
193 %include "StringsCompressed.asm"
194%else
195 %include "Strings.asm" ; For BIOS message strings
196%endif
197
198 ; Libraries, data, Initialization and drive detection
199
200 %include "AssemblyLibrary.asm"
201
202 ; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
203 ; established in the assembly library), and are unnecessary if strings are not compressed.
204 ;
205%ifdef MODULE_STRINGS_COMPRESSED
206 %undef STRINGSCOMPRESSED_STRINGS
207 %define STRINGSCOMPRESSED_TABLES
208 %include "StringsCompressed.asm"
209%endif
210
211 %include "Initialize.asm" ; For BIOS initialization
212 %include "Interrupts.asm" ; For Interrupt initialization
213 %include "RamVars.asm" ; For RAMVARS initialization and access
214 %include "CreateDPT.asm" ; For creating DPTs
215 %include "FindDPT.asm" ; For finding DPTs
216 %include "AccessDPT.asm" ; For accessing DPTs
217 %include "LbaAssist.asm" ; For generating L-CHS parameters to LBA drives
218 %include "BootMenuInfo.asm" ; For creating BOOTMENUINFO structs
219 %include "AtaID.asm" ; For ATA Identify Device information
220 %include "DetectDrives.asm" ; For detecting IDE drives
221 %include "DetectPrint.asm" ; For printing drive detection strings
222
223 ; Boot menu
224%ifdef MODULE_BOOT_MENU
225 %include "BootMenu.asm" ; For Boot Menu operations
226 %include "BootMenuEvent.asm" ; For menu library event handling
227 ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
228 ; so that jump table entries in BootMenuEvent stay within 8-bits
229 %include "BootMenuPrint.asm" ; For printing Boot Menu strings, also includes "BootMenuPrintCfg.asm"
230%endif
231
232 ; Boot loader
233 %include "Int19h.asm" ; For Int 19h, Boot Loader
234 %include "FloppyDrive.asm" ; Floppy Drive related functions
235 %include "BootSector.asm" ; For loading boot sector
236
237 ; For all device types
238 %include "Idepack.asm"
239 %include "Device.asm"
240 %include "Timer.asm" ; For timeout and delay
241
242 ; IDE Device support
243%ifdef MODULE_ADVANCED_ATA
244 %include "AdvAtaInit.asm" ; For initializing VLB and PCI controllers
245 %include "Vision.asm" ; QDI Vision QD6500 and QD6580 support
246%endif
247%define IDEDEVICE Ide
248%define ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
249 %include "IOMappedIDE.inc" ; Assembly IDE support for normal I/O mapped controllers
250 %include "IdeCommand.asm"
251 %include "IdeTransfer.asm" ; Must be included after IdeCommand.asm
252 %include "IdeWait.asm"
253 %include "IdeError.asm" ; Must be included after IdeWait.asm
254 %include "IdeDPT.asm"
255 %include "IdeIO.asm"
256 %include "IdeIrq.asm"
257%undef IDEDEVICE
258%undef ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
259
260 ; JR-IDE support
261%ifdef MODULE_JRIDE
262%define IDEDEVICE MemIde
263 %include "MemMappedIDE.inc" ; Assembly IDE support for memory mapped controllers
264 %include "IdeCommand.asm"
265 %include "MemIdeTransfer.asm" ; Must be included after IdeCommand.asm
266 %include "IdeWait.asm"
267 %include "IdeError.asm" ; Must be included after IdeWait.asm
268%undef IDEDEVICE
269%endif
270
271
272%ifdef MODULE_SERIAL ; Serial Port Device support
273 %include "SerialCommand.asm"
274 %include "SerialDPT.asm"
275%endif
276
277 ; INT 13h Hard Disk BIOS functions
278 %include "Int13h.asm" ; For Int 13h, Disk functions
279 %include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
280 %include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
281 %include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
282 %include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
283 %include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
284 %include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
285 %include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
286 %include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
287 %include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
288 %include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
289 %include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
290 %include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
291 %include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
292 %include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
293 %include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
294 %include "DriveXlate.asm" ; For swapping drive numbers
295 %include "Address.asm" ; For sector address translations
296 %include "Prepare.asm" ; For buffer pointer normalization
297%ifdef MODULE_EBIOS
298 %include "AH42h_ExtendedReadSectors.asm"
299 %include "AH43h_ExtendedWriteSectors.asm"
300 %include "AH44h_ExtendedVerifySectors.asm"
301 %include "AH47h_ExtendedSeek.asm"
302 %include "AH48h_GetExtendedDriveParameters.asm"
303 %include "AH41h_CheckIfExtensionsPresent.asm"
304%endif
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