source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 407

Last change on this file since 407 was 400, checked in by aitotat@…, 13 years ago

Changes to XTIDE Universal BIOS:

  • Moved 8-bit device support to MODULE_8BIT_IDE.
  • JR-IDE/ISA support requires a lot less bytes.
  • AT builds now always use full operating mode.
File size: 11.9 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
[392]36 %define MENUEVENT_INLINE_OFFSETS ; Only one menu required, save space and inline offsets
[379]37 %define INCLUDE_MENU_LIBRARY
[277]38
[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!
[398]48 %include "ModuleDependency.inc" ; Dependency checks for optional modules
[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)
[239]66CNT_ROM_BLOCKS EQU ROMSIZE / 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
82 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
83%endif
[150]84 at ROMVARS.bIdeCnt, db 4 ; 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
[398]90 at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_ATA_PRIMARY_PORT ; Controller Command Block base port
91 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_ATA_PRIMARY_PORTCTRL ; Controller Control Block base port
[150]92 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[160]93 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0
[276]94 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
95 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
[3]96
[398]97 at ROMVARS.ideVars1+IDEVARS.wPort, dw DEVICE_ATA_SECONDARY_PORT
98 at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw DEVICE_ATA_SECONDARY_PORTCTRL
[150]99 at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[160]100 at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0
[276]101 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
102 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
[3]103
[398]104 at ROMVARS.ideVars2+IDEVARS.wPort, dw DEVICE_ATA_TERTIARY_PORT
105 at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw DEVICE_ATA_TERTIARY_PORTCTRL
[386]106 at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_16BIT_ATA
[150]107 at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
[276]108 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
109 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
[143]110
[398]111 at ROMVARS.ideVars3+IDEVARS.wPort, dw DEVICE_ATA_QUATERNARY_PORT
112 at ROMVARS.ideVars3+IDEVARS.wPortCtrl, dw DEVICE_ATA_QUATERNARY_PORTCTRL
[150]113 at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
114 at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
[276]115 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
116 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
[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
128 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
129%endif
[3]130 at ROMVARS.bIdeCnt, db 1 ; Number of supported controllers
131 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
132 at ROMVARS.bMinFddCnt, db 1 ; Assume at least 1 floppy drive present if autodetect fails
133 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
[380]134 at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
[3]135
[285]136 at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
137 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
[400]138 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_XTIDE_REV1
[276]139 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
140 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
[143]141
[276]142 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
143 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
[143]144
[276]145 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
146 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
[143]147
[276]148 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
149 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
[175]150
151%ifdef MODULE_SERIAL
152 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
[3]153%endif
[181]154%endif
[3]155iend
156
[380]157 ; Strings are first to avoid them moving unnecessarily when code is turned on and off with %ifdef's
[334]158 ; since some groups of strings need to be on the same 256-byte page.
159 ;
160%ifdef MODULE_STRINGS_COMPRESSED
161 %define STRINGSCOMPRESSED_STRINGS
[380]162 %include "StringsCompressed.asm"
[334]163%else
164 %include "Strings.asm" ; For BIOS message strings
165%endif
166
[248]167 ; Libraries, data, Initialization and drive detection
[334]168
[181]169 %include "AssemblyLibrary.asm"
[334]170
171 ; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
[380]172 ; established in the assembly library), and are unnecessary if strings are not compressed.
[334]173 ;
174%ifdef MODULE_STRINGS_COMPRESSED
[380]175 %undef STRINGSCOMPRESSED_STRINGS
[334]176 %define STRINGSCOMPRESSED_TABLES
177 %include "StringsCompressed.asm"
178%endif
[380]179
[248]180 %include "Initialize.asm" ; For BIOS initialization
181 %include "Interrupts.asm" ; For Interrupt initialization
182 %include "RamVars.asm" ; For RAMVARS initialization and access
[399]183 %include "BootVars.asm" ; For initializing variables used during init and boot
[392]184 %include "FloppyDrive.asm" ; Floppy Drive related functions
[285]185 %include "CreateDPT.asm" ; For creating DPTs
186 %include "FindDPT.asm" ; For finding DPTs
[181]187 %include "AccessDPT.asm" ; For accessing DPTs
[358]188 %include "LbaAssist.asm" ; For generating L-CHS parameters to LBA drives
[397]189 %include "DrvDetectInfo.asm" ; For creating DRVDETECTINFO structs
[181]190 %include "AtaID.asm" ; For ATA Identify Device information
191 %include "DetectDrives.asm" ; For detecting IDE drives
192 %include "DetectPrint.asm" ; For printing drive detection strings
[395]193
194 ; Hotkey Bar
195%ifdef MODULE_HOTKEYS
[392]196 %include "HotkeyBar.asm" ; For hotkeys during drive detection and boot menu
[395]197 %include "DriveXlate.asm" ; For swapping drive numbers
198%endif
[248]199
[181]200 ; Boot menu
[379]201%ifdef MODULE_BOOT_MENU
[181]202 %include "BootMenu.asm" ; For Boot Menu operations
203 %include "BootMenuEvent.asm" ; For menu library event handling
[192]204 ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
[258]205 ; so that jump table entries in BootMenuEvent stay within 8-bits
206 %include "BootMenuPrint.asm" ; For printing Boot Menu strings, also includes "BootMenuPrintCfg.asm"
[379]207%endif
208
209 ; Boot loader
210 %include "Int19h.asm" ; For Int 19h, Boot Loader
[392]211 %include "Int19hReset.asm" ; INT 19h handler for proper system reset
[181]212 %include "BootSector.asm" ; For loading boot sector
[3]213
[181]214 ; For all device types
[192]215 %include "Idepack.asm"
[181]216 %include "Device.asm"
217 %include "Timer.asm" ; For timeout and delay
[155]218
[181]219 ; IDE Device support
[363]220%ifdef MODULE_ADVANCED_ATA
221 %include "AdvAtaInit.asm" ; For initializing VLB and PCI controllers
222 %include "Vision.asm" ; QDI Vision QD6500 and QD6580 support
223%endif
[181]224 %include "IdeCommand.asm"
[400]225%ifdef MODULE_JRIDE
226 %include "JrIdeTransfer.asm" ; Must be included after IdeCommand.asm
227%endif
228 %include "IdeTransfer.asm"
[192]229 %include "IdeWait.asm"
[294]230 %include "IdeError.asm" ; Must be included after IdeWait.asm
[181]231 %include "IdeDPT.asm"
232 %include "IdeIO.asm"
[398]233%ifdef MODULE_IRQ
[181]234 %include "IdeIrq.asm"
[398]235%endif
[155]236
[400]237 ; Serial Device support
[181]238%ifdef MODULE_SERIAL ; Serial Port Device support
239 %include "SerialCommand.asm"
240 %include "SerialDPT.asm"
[175]241%endif
[155]242
[181]243 ; INT 13h Hard Disk BIOS functions
244 %include "Int13h.asm" ; For Int 13h, Disk functions
245 %include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
246 %include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
247 %include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
248 %include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
249 %include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
250 %include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
251 %include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
252 %include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
253 %include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
254 %include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
255 %include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
256 %include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
257 %include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
258 %include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
259 %include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
[221]260 %include "Address.asm" ; For sector address translations
261 %include "Prepare.asm" ; For buffer pointer normalization
[176]262%ifdef MODULE_EBIOS
[181]263 %include "AH42h_ExtendedReadSectors.asm"
264 %include "AH43h_ExtendedWriteSectors.asm"
265 %include "AH44h_ExtendedVerifySectors.asm"
266 %include "AH47h_ExtendedSeek.asm"
267 %include "AH48h_GetExtendedDriveParameters.asm"
[221]268 %include "AH41h_CheckIfExtensionsPresent.asm"
[176]269%endif
Note: See TracBrowser for help on using the repository browser.