source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 527

Last change on this file since 527 was 526, checked in by krille_n_@…, 12 years ago

Changes:

  • Update of the copyright notices to include the year 2013.
File size: 13.6 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
[526]17; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
[376]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
[392]36 %define MENUEVENT_INLINE_OFFSETS ; Only one menu required, save space and inline offsets
[379]37 %define INCLUDE_MENU_LIBRARY
[492]38 %define MENU_NO_ESC ; User cannot 'esc' out of the menu
[379]39%else ; If no boot menu included
40 %define INCLUDE_DISPLAY_LIBRARY
[392]41 %define INCLUDE_KEYBOARD_LIBRARY
[379]42 %define INCLUDE_TIME_LIBRARY
43%endif
44
45
[181]46 ; Included .inc files
47 %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
[522]48 %include "ModuleDependency.inc" ; Dependency checks for optional modules. Must be included second!
[358]49 %include "Version.inc"
[181]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
[254]56 %include "BootVars.inc" ; For BOOTVARS struct
[400]57 %include "IdeIO.inc" ; Macros for IDE port I/O
[181]58 %include "DeviceIDE.inc" ; For IDE device equates
[3]59
60
[397]61
[3]62; Section containing code
63SECTION .text
64
65; ROM variables (must start at offset 0)
[506]66CNT_ROM_BLOCKS EQU BIOS_SIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
[3]67istruc ROMVARS
68 at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
69 at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
[181]70 at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
[358]71 at ROMVARS.rgbSign, db FLASH_SIGNATURE
72 at ROMVARS.szTitle, db TITLE_STRING
73 at ROMVARS.szVersion, db ROM_VERSION_STRING
[3]74
75;---------------------------;
76; AT Build default settings ;
77;---------------------------;
78%ifdef USE_AT
[397]79 at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE | MASK_ROMVARS_INCLUDED_MODULES
[143]80 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
[397]81%ifdef MODULE_BOOT_MENU
[491]82 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
[397]83%endif
[485]84 at ROMVARS.bIdeCnt, db 2 ; Number of supported controllers
[3]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
[380]88 at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
[3]89
[491]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
[473]92 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[524]93 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 14
[422]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)
[3]96
[485]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
[524]100 at ROMVARS.ideVars1+IDEVARS.bIRQ, db 15
[422]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)
[3]103
[485]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
[473]107 at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
[422]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)
[143]110
[473]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
[422]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)
[175]117
118%ifdef MODULE_SERIAL
119 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
[181]120%endif
[3]121%else
122;-----------------------------------;
123; XT and XT+ Build default settings ;
124;-----------------------------------;
[397]125 at ROMVARS.wFlags, dw MASK_ROMVARS_INCLUDED_MODULES
[143]126 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
[397]127%ifdef MODULE_BOOT_MENU
[491]128 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
[397]129%endif
[526]130%ifdef MODULE_8BIT_IDE_ADVANCED
[473]131 at ROMVARS.bIdeCnt, db 2 ; Number of supported controllers
[493]132%else
133 at ROMVARS.bIdeCnt, db 1
134%endif
[3]135 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
[461]136 at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
[3]137 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
[380]138 at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
[3]139
[473]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
[447]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)
[143]145
[493]146%ifdef MODULE_8BIT_IDE_ADVANCED
[485]147 at ROMVARS.ideVars1+IDEVARS.bXTCFcontrolRegister, db XTCF_8BIT_PIO_MODE
[473]148 at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_8BIT_XTCF_PIO8
[447]149 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
150 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[493]151%else
152 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
153 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[526]154%endif
[143]155
[447]156 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
157 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[143]158
[447]159 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
160 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
[175]161
162%ifdef MODULE_SERIAL
163 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
[3]164%endif
[181]165%endif
[3]166iend
167
[380]168 ; Strings are first to avoid them moving unnecessarily when code is turned on and off with %ifdef's
[334]169 ; since some groups of strings need to be on the same 256-byte page.
170 ;
171%ifdef MODULE_STRINGS_COMPRESSED
172 %define STRINGSCOMPRESSED_STRINGS
[380]173 %include "StringsCompressed.asm"
[334]174%else
175 %include "Strings.asm" ; For BIOS message strings
176%endif
177
[248]178 ; Libraries, data, Initialization and drive detection
[334]179
[181]180 %include "AssemblyLibrary.asm"
[334]181
182 ; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
[380]183 ; established in the assembly library), and are unnecessary if strings are not compressed.
[334]184 ;
185%ifdef MODULE_STRINGS_COMPRESSED
[380]186 %undef STRINGSCOMPRESSED_STRINGS
[334]187 %define STRINGSCOMPRESSED_TABLES
188 %include "StringsCompressed.asm"
189%endif
[380]190
[248]191 %include "Initialize.asm" ; For BIOS initialization
192 %include "Interrupts.asm" ; For Interrupt initialization
193 %include "RamVars.asm" ; For RAMVARS initialization and access
[399]194 %include "BootVars.asm" ; For initializing variables used during init and boot
[392]195 %include "FloppyDrive.asm" ; Floppy Drive related functions
[285]196 %include "CreateDPT.asm" ; For creating DPTs
197 %include "FindDPT.asm" ; For finding DPTs
[181]198 %include "AccessDPT.asm" ; For accessing DPTs
[421]199 %include "AtaGeometry.asm" ; For generating L-CHS parameters
[397]200 %include "DrvDetectInfo.asm" ; For creating DRVDETECTINFO structs
[181]201 %include "AtaID.asm" ; For ATA Identify Device information
202 %include "DetectDrives.asm" ; For detecting IDE drives
203 %include "DetectPrint.asm" ; For printing drive detection strings
[395]204
205 ; Hotkey Bar
206%ifdef MODULE_HOTKEYS
[392]207 %include "HotkeyBar.asm" ; For hotkeys during drive detection and boot menu
[526]208%endif
[492]209%ifdef MODULE_DRIVEXLATE
210 %include "DriveXlate.asm" ; For swapping drive numbers, must come immediately after HotkeyBar.asm
[395]211%endif
[248]212
[181]213 ; Boot menu
[379]214%ifdef MODULE_BOOT_MENU
[181]215 %include "BootMenu.asm" ; For Boot Menu operations
216 %include "BootMenuEvent.asm" ; For menu library event handling
[192]217 ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
[258]218 ; so that jump table entries in BootMenuEvent stay within 8-bits
219 %include "BootMenuPrint.asm" ; For printing Boot Menu strings, also includes "BootMenuPrintCfg.asm"
[379]220%endif
221
222 ; Boot loader
223 %include "Int19h.asm" ; For Int 19h, Boot Loader
[492]224 %include "BootSector.asm" ; For loading boot sector
[392]225 %include "Int19hReset.asm" ; INT 19h handler for proper system reset
[3]226
[181]227 ; For all device types
[192]228 %include "Idepack.asm"
[181]229 %include "Device.asm"
230 %include "Timer.asm" ; For timeout and delay
[155]231
[181]232 ; IDE Device support
[363]233%ifdef MODULE_ADVANCED_ATA
234 %include "AdvAtaInit.asm" ; For initializing VLB and PCI controllers
235 %include "Vision.asm" ; QDI Vision QD6500 and QD6580 support
236%endif
[181]237 %include "IdeCommand.asm"
[493]238%ifdef MODULE_8BIT_IDE_ADVANCED
[400]239 %include "JrIdeTransfer.asm" ; Must be included after IdeCommand.asm
[480]240 %include "IdeDmaBlock.asm"
[400]241%endif
242 %include "IdeTransfer.asm"
[473]243 %include "IdePioBlock.asm"
[192]244 %include "IdeWait.asm"
[294]245 %include "IdeError.asm" ; Must be included after IdeWait.asm
[181]246 %include "IdeDPT.asm"
247 %include "IdeIO.asm"
[398]248%ifdef MODULE_IRQ
[181]249 %include "IdeIrq.asm"
[398]250%endif
[155]251
[400]252 ; Serial Device support
[181]253%ifdef MODULE_SERIAL ; Serial Port Device support
254 %include "SerialCommand.asm"
255 %include "SerialDPT.asm"
[175]256%endif
[155]257
[181]258 ; INT 13h Hard Disk BIOS functions
259 %include "Int13h.asm" ; For Int 13h, Disk functions
260 %include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
261 %include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
262 %include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
263 %include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
264 %include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
265 %include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
266 %include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
267 %include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
268 %include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
269 %include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
270 %include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
[493]271%ifdef MODULE_8BIT_IDE_ADVANCED
[471]272 %include "AH1Eh_XTCF.asm"
273%endif
[181]274 %include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
275 %include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
276 %include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
[221]277 %include "Address.asm" ; For sector address translations
278 %include "Prepare.asm" ; For buffer pointer normalization
[176]279%ifdef MODULE_EBIOS
[181]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"
[221]285 %include "AH41h_CheckIfExtensionsPresent.asm"
[176]286%endif
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