source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 377

Last change on this file since 377 was 376, checked in by gregli@…, 13 years ago

WIDE checkin... Added copyright and license information to sorce files, as per the GPL instructions for usage.
File size: 12.7 KB
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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%define MENUEVENT_INLINE_OFFSETS ; Only one menu required, save space and inline offsets
34
35 ; Included .inc files
36 %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
37 %include "Version.inc"
38 %include "IntController.inc" ; For Interrupt Controller equates
39 %include "ATA_ID.inc" ; For ATA Drive Information structs
40 %include "IdeRegisters.inc" ; For ATA Registers, flags and commands
41 %include "Int13h.inc" ; Equates for INT 13h functions
42%ifdef MODULE_EBIOS
43 %include "EBIOS.inc" ; Equates for EBIOS functions
44%endif
45 %include "CustomDPT.inc" ; For Disk Parameter Table
46 %include "RomVars.inc" ; For ROMVARS and IDEVARS structs
47 %include "RamVars.inc" ; For RAMVARS struct
48 %include "BootVars.inc" ; For BOOTVARS struct
49 %include "BootMenu.inc" ; For Boot Menu
50 %include "IDE_8bit.inc" ; For IDE 8-bit data port macros
51 %include "DeviceIDE.inc" ; For IDE device equates
52 %include "Vision.inc" ; For QDI Vision QD65xx VLB IDE Controllers
53
54
55; Section containing code
56SECTION .text
57
58; ROM variables (must start at offset 0)
59CNT_ROM_BLOCKS EQU ROMSIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
60istruc ROMVARS
61 at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
62 at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
63 at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
64 at ROMVARS.rgbSign, db FLASH_SIGNATURE
65 at ROMVARS.szTitle, db TITLE_STRING
66 at ROMVARS.szVersion, db ROM_VERSION_STRING
67
68;;; For OR'ing into wFlags below
69;;;
70%ifdef MODULE_SERIAL
71 MAIN_FLG_MODULE_SERIAL equ FLG_ROMVARS_MODULE_SERIAL
72%else
73 MAIN_FLG_MODULE_SERIAL equ 0
74%endif
75
76%ifdef MODULE_EBIOS
77 MAIN_FLG_MODULE_EBIOS equ FLG_ROMVARS_MODULE_EBIOS
78%else
79 MAIN_FLG_MODULE_EBIOS equ 0
80%endif
81
82%ifdef MODULE_JRIDE
83 MAIN_FLG_MODULE_JRIDE equ FLG_ROMVARS_MODULE_JRIDE
84%else
85 MAIN_FLG_MODULE_JRIDE equ 0
86%endif
87
88%ifdef MODULE_ADVANCED_ATA
89 MAIN_FLG_MODULE_ADVATA equ FLG_ROMVARS_MODULE_ADVATA
90%else
91 MAIN_FLG_MODULE_ADVATA equ 0
92%endif
93
94
95;---------------------------;
96; AT Build default settings ;
97;---------------------------;
98%ifdef USE_AT
99 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
100 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
101 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
102 at ROMVARS.bIdeCnt, db 4 ; Number of supported controllers
103 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
104 at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
105 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory
106
107 at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_ATA_DEFAULT_PORT ; Controller Command Block base port
108 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_ATA_DEFAULT_PORTCTRL ; Controller Control Block base port
109 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
110 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0
111 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
112 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
113
114 at ROMVARS.ideVars1+IDEVARS.wPort, dw DEVICE_ATA_DEFAULT_SECONDARY_PORT
115 at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw DEVICE_ATA_DEFAULT_SECONDARY_PORTCTRL
116 at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
117 at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0
118 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
119 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
120
121 at ROMVARS.ideVars2+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
122 at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
123 at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_XTIDE_REV1
124 at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
125 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
126 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
127
128 at ROMVARS.ideVars3+IDEVARS.wPort, dw 168h ; Controller Command Block base port
129 at ROMVARS.ideVars3+IDEVARS.wPortCtrl, dw 368h ; Controller Control Block base port
130 at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
131 at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
132 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
133 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
134
135%ifdef MODULE_SERIAL
136 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
137%endif
138%else
139;-----------------------------------;
140; XT and XT+ Build default settings ;
141;-----------------------------------;
142 at ROMVARS.wFlags, dw FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS | MAIN_FLG_MODULE_JRIDE | MAIN_FLG_MODULE_ADVATA
143 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
144 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
145 at ROMVARS.bIdeCnt, db 1 ; Number of supported controllers
146 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
147 at ROMVARS.bMinFddCnt, db 1 ; Assume at least 1 floppy drive present if autodetect fails
148 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
149
150 at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
151 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
152%ifdef MODULE_JRIDE
153 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_JRIDE_ISA
154%else
155 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_XTIDE_REV1
156%endif
157 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 ; IRQ
158 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
159 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
160
161 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
162 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
163
164 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
165 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
166
167 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
168 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
169
170%ifdef MODULE_SERIAL
171 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
172%endif
173%endif
174iend
175
176 ; Strings are first to avoid them moving unnessarily when code is turned on and off with %ifdef's
177 ; since some groups of strings need to be on the same 256-byte page.
178 ;
179%ifdef MODULE_STRINGS_COMPRESSED
180 %define STRINGSCOMPRESSED_STRINGS
181 %include "StringsCompressed.asm"
182%else
183 %include "Strings.asm" ; For BIOS message strings
184%endif
185
186 ; Libraries, data, Initialization and drive detection
187
188 %include "AssemblyLibrary.asm"
189
190 ; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
191 ; established in the assembly library), and are unncessary if strings are not compressed.
192 ;
193%ifdef MODULE_STRINGS_COMPRESSED
194 %undef STRINGSCOMPRESSED_STRINGS
195 %define STRINGSCOMPRESSED_TABLES
196 %include "StringsCompressed.asm"
197%endif
198
199 %include "Initialize.asm" ; For BIOS initialization
200 %include "Interrupts.asm" ; For Interrupt initialization
201 %include "RamVars.asm" ; For RAMVARS initialization and access
202 %include "CreateDPT.asm" ; For creating DPTs
203 %include "FindDPT.asm" ; For finding DPTs
204 %include "AccessDPT.asm" ; For accessing DPTs
205 %include "LbaAssist.asm" ; For generating L-CHS parameters to LBA drives
206 %include "BootMenuInfo.asm" ; For creating BOOTMENUINFO structs
207 %include "AtaID.asm" ; For ATA Identify Device information
208 %include "DetectDrives.asm" ; For detecting IDE drives
209 %include "DetectPrint.asm" ; For printing drive detection strings
210
211 ; Boot menu
212 %include "BootMenu.asm" ; For Boot Menu operations
213 %include "BootMenuEvent.asm" ; For menu library event handling
214 ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
215 ; so that jump table entries in BootMenuEvent stay within 8-bits
216 %include "BootMenuPrint.asm" ; For printing Boot Menu strings, also includes "BootMenuPrintCfg.asm"
217 %include "BootPrint.asm" ; For printing boot information
218 %include "FloppyDrive.asm" ; Floppy Drive related functions
219 %include "BootSector.asm" ; For loading boot sector
220
221 ; Boot loader
222 %include "Int19h.asm" ; For Int 19h, Boot Loader
223
224 ; For all device types
225 %include "Idepack.asm"
226 %include "Device.asm"
227 %include "Timer.asm" ; For timeout and delay
228
229 ; IDE Device support
230%ifdef MODULE_ADVANCED_ATA
231 %include "AdvAtaInit.asm" ; For initializing VLB and PCI controllers
232 %include "Vision.asm" ; QDI Vision QD6500 and QD6580 support
233%endif
234%define IDEDEVICE Ide
235%define ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
236 %include "IOMappedIDE.inc" ; Assembly IDE support for normal I/O mapped controllers
237 %include "IdeCommand.asm"
238 %include "IdeTransfer.asm" ; Must be included after IdeCommand.asm
239 %include "IdeWait.asm"
240 %include "IdeError.asm" ; Must be included after IdeWait.asm
241 %include "IdeDPT.asm"
242 %include "IdeIO.asm"
243 %include "IdeIrq.asm"
244%undef IDEDEVICE
245%undef ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
246
247 ; JR-IDE support
248%ifdef MODULE_JRIDE
249%define IDEDEVICE MemIde
250 %include "MemMappedIDE.inc" ; Assembly IDE support for memory mapped controllers
251 %include "IdeCommand.asm"
252 %include "MemIdeTransfer.asm" ; Must be included after IdeCommand.asm
253 %include "IdeWait.asm"
254 %include "IdeError.asm" ; Must be included after IdeWait.asm
255%undef IDEDEVICE
256%endif
257
258
259%ifdef MODULE_SERIAL ; Serial Port Device support
260 %include "SerialCommand.asm"
261 %include "SerialDPT.asm"
262%endif
263
264 ; INT 13h Hard Disk BIOS functions
265 %include "Int13h.asm" ; For Int 13h, Disk functions
266 %include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
267 %include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
268 %include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
269 %include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
270 %include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
271 %include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
272 %include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
273 %include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
274 %include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
275 %include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
276 %include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
277 %include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
278 %include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
279 %include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
280 %include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
281 %include "DriveXlate.asm" ; For swapping drive numbers
282 %include "Address.asm" ; For sector address translations
283 %include "Prepare.asm" ; For buffer pointer normalization
284%ifdef MODULE_EBIOS
285 %include "AH42h_ExtendedReadSectors.asm"
286 %include "AH43h_ExtendedWriteSectors.asm"
287 %include "AH44h_ExtendedVerifySectors.asm"
288 %include "AH47h_ExtendedSeek.asm"
289 %include "AH48h_GetExtendedDriveParameters.asm"
290 %include "AH41h_CheckIfExtensionsPresent.asm"
291%endif
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