source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 383

Last change on this file since 383 was 380, checked in by krille_n_@…, 13 years ago

Changes:

  • Added code to XTIDECFG for Power Management (standby timer) support in the BIOS.
  • Some minor optimizations.
File size: 13.2 KB
RevLine 
[3]1; Project name : XTIDE Universal BIOS
[86]2; Authors : Tomi Tilli
3; : aitotat@gmail.com
4; :
[181]5; : Greg Lindhorst
6; : gregli@hotmail.com
7; ;
[86]8; : Krister Nordvall
9; : krille_n_@hotmail.com
10; :
[3]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
[376]15;
[380]16; XTIDE Universal BIOS and Associated Tools
[376]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.
[380]23;
[376]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
[380]27; GNU General Public License for more details.
[376]28; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
29;
30
[294]31 ORG 0 ; Code start offset 0000h
[3]32
[379]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
[277]38
[379]39%else ; If no boot menu included
40 %define INCLUDE_DISPLAY_LIBRARY
41 %define INCLUDE_TIME_LIBRARY
42%endif
43
44
[181]45 ; Included .inc files
46 %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
[358]47 %include "Version.inc"
[181]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
[176]52%ifdef MODULE_EBIOS
[181]53 %include "EBIOS.inc" ; Equates for EBIOS functions
[176]54%endif
[181]55 %include "CustomDPT.inc" ; For Disk Parameter Table
56 %include "RomVars.inc" ; For ROMVARS and IDEVARS structs
57 %include "RamVars.inc" ; For RAMVARS struct
[254]58 %include "BootVars.inc" ; For BOOTVARS struct
[181]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
[363]62 %include "Vision.inc" ; For QDI Vision QD65xx VLB IDE Controllers
[3]63
64
65; Section containing code
66SECTION .text
67
68; ROM variables (must start at offset 0)
[239]69CNT_ROM_BLOCKS EQU ROMSIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
[3]70istruc ROMVARS
71 at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
72 at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
[181]73 at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
[358]74 at ROMVARS.rgbSign, db FLASH_SIGNATURE
75 at ROMVARS.szTitle, db TITLE_STRING
76 at ROMVARS.szVersion, db ROM_VERSION_STRING
[3]77
[179]78;;; For OR'ing into wFlags below
[181]79;;;
[179]80%ifdef MODULE_SERIAL
[181]81 MAIN_FLG_MODULE_SERIAL equ FLG_ROMVARS_MODULE_SERIAL
[179]82%else
[181]83 MAIN_FLG_MODULE_SERIAL equ 0
[179]84%endif
85
86%ifdef MODULE_EBIOS
[181]87 MAIN_FLG_MODULE_EBIOS equ FLG_ROMVARS_MODULE_EBIOS
[179]88%else
[181]89 MAIN_FLG_MODULE_EBIOS equ 0
[179]90%endif
91
[243]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
[363]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
[243]103
[363]104
[3]105;---------------------------;
106; AT Build default settings ;
107;---------------------------;
108%ifdef USE_AT
[363]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
[143]110 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
[291]111 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
[150]112 at ROMVARS.bIdeCnt, db 4 ; Number of supported controllers
[3]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
[380]116 at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
[3]117
[199]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
[150]120 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[160]121 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0
[276]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
[3]124
[363]125 at ROMVARS.ideVars1+IDEVARS.wPort, dw DEVICE_ATA_DEFAULT_SECONDARY_PORT
126 at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw DEVICE_ATA_DEFAULT_SECONDARY_PORTCTRL
[150]127 at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[160]128 at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0
[276]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
[3]131
[199]132 at ROMVARS.ideVars2+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
133 at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
[361]134 at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_XTIDE_REV1
[150]135 at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
[276]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
[143]138
139 at ROMVARS.ideVars3+IDEVARS.wPort, dw 168h ; Controller Command Block base port
140 at ROMVARS.ideVars3+IDEVARS.wPortCtrl, dw 368h ; Controller Control Block base port
[150]141 at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
142 at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
[276]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
[175]145
146%ifdef MODULE_SERIAL
147 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
[181]148%endif
[3]149%else
150;-----------------------------------;
151; XT and XT+ Build default settings ;
152;-----------------------------------;
[363]153 at ROMVARS.wFlags, dw FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS | MAIN_FLG_MODULE_JRIDE | MAIN_FLG_MODULE_ADVATA
[143]154 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
[291]155 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
[3]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
[380]160 at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
[3]161
[285]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
[273]164%ifdef MODULE_JRIDE
165 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_JRIDE_ISA
166%else
[361]167 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_XTIDE_REV1
[273]168%endif
[3]169 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 ; IRQ
[276]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
[143]172
[276]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
[143]175
[276]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
[143]178
[276]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
[175]181
182%ifdef MODULE_SERIAL
183 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
[3]184%endif
[181]185%endif
[3]186iend
187
[380]188 ; Strings are first to avoid them moving unnecessarily when code is turned on and off with %ifdef's
[334]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
[380]193 %include "StringsCompressed.asm"
[334]194%else
195 %include "Strings.asm" ; For BIOS message strings
196%endif
197
[248]198 ; Libraries, data, Initialization and drive detection
[334]199
[181]200 %include "AssemblyLibrary.asm"
[334]201
202 ; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
[380]203 ; established in the assembly library), and are unnecessary if strings are not compressed.
[334]204 ;
205%ifdef MODULE_STRINGS_COMPRESSED
[380]206 %undef STRINGSCOMPRESSED_STRINGS
[334]207 %define STRINGSCOMPRESSED_TABLES
208 %include "StringsCompressed.asm"
209%endif
[380]210
[248]211 %include "Initialize.asm" ; For BIOS initialization
212 %include "Interrupts.asm" ; For Interrupt initialization
213 %include "RamVars.asm" ; For RAMVARS initialization and access
[285]214 %include "CreateDPT.asm" ; For creating DPTs
215 %include "FindDPT.asm" ; For finding DPTs
[181]216 %include "AccessDPT.asm" ; For accessing DPTs
[358]217 %include "LbaAssist.asm" ; For generating L-CHS parameters to LBA drives
[254]218 %include "BootMenuInfo.asm" ; For creating BOOTMENUINFO structs
[181]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
[248]222
[181]223 ; Boot menu
[379]224%ifdef MODULE_BOOT_MENU
[181]225 %include "BootMenu.asm" ; For Boot Menu operations
226 %include "BootMenuEvent.asm" ; For menu library event handling
[192]227 ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
[258]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"
[379]230%endif
231
232 ; Boot loader
[192]233 %include "BootPrint.asm" ; For printing boot information
[379]234 %include "Int19h.asm" ; For Int 19h, Boot Loader
[181]235 %include "FloppyDrive.asm" ; Floppy Drive related functions
236 %include "BootSector.asm" ; For loading boot sector
[3]237
[181]238 ; For all device types
[192]239 %include "Idepack.asm"
[181]240 %include "Device.asm"
241 %include "Timer.asm" ; For timeout and delay
[155]242
[181]243 ; IDE Device support
[363]244%ifdef MODULE_ADVANCED_ATA
245 %include "AdvAtaInit.asm" ; For initializing VLB and PCI controllers
246 %include "Vision.asm" ; QDI Vision QD6500 and QD6580 support
247%endif
[238]248%define IDEDEVICE Ide
249%define ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
250 %include "IOMappedIDE.inc" ; Assembly IDE support for normal I/O mapped controllers
[181]251 %include "IdeCommand.asm"
252 %include "IdeTransfer.asm" ; Must be included after IdeCommand.asm
[192]253 %include "IdeWait.asm"
[294]254 %include "IdeError.asm" ; Must be included after IdeWait.asm
[181]255 %include "IdeDPT.asm"
256 %include "IdeIO.asm"
257 %include "IdeIrq.asm"
[238]258%undef IDEDEVICE
259%undef ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
[155]260
[238]261 ; JR-IDE support
262%ifdef MODULE_JRIDE
263%define IDEDEVICE MemIde
264 %include "MemMappedIDE.inc" ; Assembly IDE support for memory mapped controllers
265 %include "IdeCommand.asm"
266 %include "MemIdeTransfer.asm" ; Must be included after IdeCommand.asm
267 %include "IdeWait.asm"
[294]268 %include "IdeError.asm" ; Must be included after IdeWait.asm
[238]269%undef IDEDEVICE
270%endif
271
272
[181]273%ifdef MODULE_SERIAL ; Serial Port Device support
274 %include "SerialCommand.asm"
275 %include "SerialDPT.asm"
[175]276%endif
[155]277
[181]278 ; INT 13h Hard Disk BIOS functions
279 %include "Int13h.asm" ; For Int 13h, Disk functions
280 %include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
281 %include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
282 %include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
283 %include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
284 %include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
285 %include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
286 %include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
287 %include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
288 %include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
289 %include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
290 %include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
291 %include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
292 %include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
293 %include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
294 %include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
[221]295 %include "DriveXlate.asm" ; For swapping drive numbers
296 %include "Address.asm" ; For sector address translations
297 %include "Prepare.asm" ; For buffer pointer normalization
[176]298%ifdef MODULE_EBIOS
[181]299 %include "AH42h_ExtendedReadSectors.asm"
300 %include "AH43h_ExtendedWriteSectors.asm"
301 %include "AH44h_ExtendedVerifySectors.asm"
302 %include "AH47h_ExtendedSeek.asm"
303 %include "AH48h_GetExtendedDriveParameters.asm"
[221]304 %include "AH41h_CheckIfExtensionsPresent.asm"
[176]305%endif
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