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
|
---|
63 | SECTION .text
|
---|
64 |
|
---|
65 | ; ROM variables (must start at offset 0)
|
---|
66 | CNT_ROM_BLOCKS EQU BIOS_SIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
|
---|
67 | istruc 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 | at ROMVARS.bIdeCnt, db 1
|
---|
131 | at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
|
---|
132 | at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
|
---|
133 | at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
|
---|
134 | at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
|
---|
135 |
|
---|
136 | %ifdef MODULE_8BIT_IDE_ADVANCED
|
---|
137 | at ROMVARS.ideVars0+IDEVARS.wBasePort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
|
---|
138 | at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_XTCF_PIO8
|
---|
139 | %else
|
---|
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 | %endif
|
---|
144 | at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
|
---|
145 | at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
|
---|
146 |
|
---|
147 | at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
|
---|
148 | at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
|
---|
149 |
|
---|
150 | at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
|
---|
151 | at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
|
---|
152 |
|
---|
153 | at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
|
---|
154 | at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
|
---|
155 |
|
---|
156 | %ifdef MODULE_SERIAL
|
---|
157 | at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
|
---|
158 | %endif
|
---|
159 | %endif
|
---|
160 | iend
|
---|
161 |
|
---|
162 | ; Strings are first to avoid them moving unnecessarily when code is turned on and off with %ifdef's
|
---|
163 | ; since some groups of strings need to be on the same 256-byte page.
|
---|
164 | ;
|
---|
165 | %ifdef MODULE_STRINGS_COMPRESSED
|
---|
166 | %define STRINGSCOMPRESSED_STRINGS
|
---|
167 | %include "StringsCompressed.asm"
|
---|
168 | %else
|
---|
169 | %include "Strings.asm" ; For BIOS message strings
|
---|
170 | %endif
|
---|
171 |
|
---|
172 | ; Libraries, data, Initialization and drive detection
|
---|
173 |
|
---|
174 | %include "AssemblyLibrary.asm"
|
---|
175 |
|
---|
176 | ; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
|
---|
177 | ; established in the assembly library), and are unnecessary if strings are not compressed.
|
---|
178 | ;
|
---|
179 | %ifdef MODULE_STRINGS_COMPRESSED
|
---|
180 | %undef STRINGSCOMPRESSED_STRINGS
|
---|
181 | %define STRINGSCOMPRESSED_TABLES
|
---|
182 | %include "StringsCompressed.asm"
|
---|
183 | %endif
|
---|
184 |
|
---|
185 | %include "Initialize.asm" ; For BIOS initialization
|
---|
186 | %include "Interrupts.asm" ; For Interrupt initialization
|
---|
187 | %include "RamVars.asm" ; For RAMVARS initialization and access
|
---|
188 | %include "BootVars.asm" ; For initializing variables used during init and boot
|
---|
189 | %include "FloppyDrive.asm" ; Floppy Drive related functions
|
---|
190 | %include "CreateDPT.asm" ; For creating DPTs
|
---|
191 | %include "FindDPT.asm" ; For finding DPTs
|
---|
192 | %include "AccessDPT.asm" ; For accessing DPTs
|
---|
193 | %include "AtaGeometry.asm" ; For generating L-CHS parameters
|
---|
194 | %include "DrvDetectInfo.asm" ; For creating DRVDETECTINFO structs
|
---|
195 | %include "AtaID.asm" ; For ATA Identify Device information
|
---|
196 | %include "DetectDrives.asm" ; For detecting IDE drives
|
---|
197 | %include "DetectPrint.asm" ; For printing drive detection strings
|
---|
198 | %ifdef MODULE_COMPATIBLE_TABLES
|
---|
199 | %include "CompatibleDPT.asm"
|
---|
200 | %endif
|
---|
201 |
|
---|
202 | ; Hotkey Bar
|
---|
203 | %ifdef MODULE_HOTKEYS
|
---|
204 | %include "HotkeyBar.asm" ; For hotkeys during drive detection and boot menu
|
---|
205 | %endif
|
---|
206 | %ifdef MODULE_DRIVEXLATE
|
---|
207 | %include "DriveXlate.asm" ; For swapping drive numbers, must come immediately after HotkeyBar.asm
|
---|
208 | %endif
|
---|
209 |
|
---|
210 | ; Boot menu
|
---|
211 | %ifdef MODULE_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 | %endif
|
---|
218 |
|
---|
219 | ; Boot loader
|
---|
220 | %include "Int19h.asm" ; For Int 19h, Boot Loader
|
---|
221 | %include "BootSector.asm" ; For loading boot sector
|
---|
222 | %include "Int19hReset.asm" ; INT 19h handler for proper system reset
|
---|
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 | %include "IdeCommand.asm"
|
---|
235 | %ifdef MODULE_8BIT_IDE_ADVANCED
|
---|
236 | %include "JrIdeTransfer.asm" ; Must be included after IdeCommand.asm
|
---|
237 | %include "IdeDmaBlock.asm"
|
---|
238 | %endif
|
---|
239 | %include "IdeTransfer.asm"
|
---|
240 | %include "IdePioBlock.asm"
|
---|
241 | %include "IdeWait.asm"
|
---|
242 | %include "IdeError.asm" ; Must be included after IdeWait.asm
|
---|
243 | %include "IdeDPT.asm"
|
---|
244 | %include "IdeIO.asm"
|
---|
245 | %ifdef MODULE_IRQ
|
---|
246 | %include "IdeIrq.asm"
|
---|
247 | %endif
|
---|
248 |
|
---|
249 | ; Serial Device support
|
---|
250 | %ifdef MODULE_SERIAL ; Serial Port Device support
|
---|
251 | %include "SerialCommand.asm"
|
---|
252 | %include "SerialDPT.asm"
|
---|
253 | %endif
|
---|
254 |
|
---|
255 | ; INT 13h Hard Disk BIOS functions
|
---|
256 | %ifndef USE_AT
|
---|
257 | %include "Int13hBiosInit.asm"
|
---|
258 | %endif
|
---|
259 | %include "Int13h.asm" ; For Int 13h, Disk functions
|
---|
260 | %include "AH0h_HReset.asm"
|
---|
261 | %include "AH1h_HStatus.asm"
|
---|
262 | %include "AH2h_HRead.asm"
|
---|
263 | %include "AH3h_HWrite.asm"
|
---|
264 | %include "AH4h_HVerify.asm"
|
---|
265 | %include "AH8h_HParams.asm"
|
---|
266 | %include "AH9h_HInit.asm"
|
---|
267 | %include "AHCh_HSeek.asm"
|
---|
268 | %include "AH10h_HReady.asm"
|
---|
269 | %include "AH11h_HRecal.asm"
|
---|
270 | %include "AH15h_HSize.asm"
|
---|
271 | %ifdef MODULE_8BIT_IDE_ADVANCED
|
---|
272 | %include "AH1Eh_XTCF.asm"
|
---|
273 | %endif
|
---|
274 | %include "AH23h_HFeatures.asm"
|
---|
275 | %include "AH24h_HSetBlocks.asm"
|
---|
276 | %include "AH25h_HDrvID.asm"
|
---|
277 | %include "Address.asm" ; For sector address translations
|
---|
278 | %include "Prepare.asm" ; For buffer pointer normalization
|
---|
279 | %ifdef MODULE_EBIOS
|
---|
280 | %include "AH42h_ExtendedReadSectors.asm"
|
---|
281 | %include "AH43h_ExtendedWriteSectors.asm"
|
---|
282 | %include "AH44h_ExtendedVerifySectors.asm"
|
---|
283 | %include "AH47h_ExtendedSeek.asm"
|
---|
284 | %include "AH48h_GetExtendedDriveParameters.asm"
|
---|
285 | %include "AH41h_CheckIfExtensionsPresent.asm"
|
---|
286 | %endif
|
---|