source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 359

Last change on this file since 359 was 358, checked in by aitotat@…, 13 years ago

Changes to XTIDE Universal BIOS:

  • Moved BIOS title and version strings to Version.inc.
  • Moved LBA to L-CHS conversion function to LbaAssist.asm.
File size: 11.7 KB
Line 
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 ORG 0 ; Code start offset 0000h
16
17%define MENUEVENT_INLINE_OFFSETS ; Only one menu required, save space and inline offsets
18
19 ; Included .inc files
20 %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
21 %include "Version.inc"
22 %include "IntController.inc" ; For Interrupt Controller equates
23 %include "ATA_ID.inc" ; For ATA Drive Information structs
24 %include "IdeRegisters.inc" ; For ATA Registers, flags and commands
25 %include "Int13h.inc" ; Equates for INT 13h functions
26%ifdef MODULE_EBIOS
27 %include "EBIOS.inc" ; Equates for EBIOS functions
28%endif
29 %include "CustomDPT.inc" ; For Disk Parameter Table
30 %include "RomVars.inc" ; For ROMVARS and IDEVARS structs
31 %include "RamVars.inc" ; For RAMVARS struct
32 %include "BootVars.inc" ; For BOOTVARS struct
33 %include "BootMenu.inc" ; For Boot Menu
34 %include "IDE_8bit.inc" ; For IDE 8-bit data port macros
35 %include "DeviceIDE.inc" ; For IDE device equates
36
37
38; Section containing code
39SECTION .text
40
41; ROM variables (must start at offset 0)
42CNT_ROM_BLOCKS EQU ROMSIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
43istruc ROMVARS
44 at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
45 at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
46 at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
47 at ROMVARS.rgbSign, db FLASH_SIGNATURE
48 at ROMVARS.szTitle, db TITLE_STRING
49 at ROMVARS.szVersion, db ROM_VERSION_STRING
50
51;;; For OR'ing into wFlags below
52;;;
53%ifdef MODULE_SERIAL
54 MAIN_FLG_MODULE_SERIAL equ FLG_ROMVARS_MODULE_SERIAL
55%else
56 MAIN_FLG_MODULE_SERIAL equ 0
57%endif
58
59%ifdef MODULE_EBIOS
60 MAIN_FLG_MODULE_EBIOS equ FLG_ROMVARS_MODULE_EBIOS
61%else
62 MAIN_FLG_MODULE_EBIOS equ 0
63%endif
64
65%ifdef MODULE_JRIDE
66 MAIN_FLG_MODULE_JRIDE equ FLG_ROMVARS_MODULE_JRIDE
67%else
68 MAIN_FLG_MODULE_JRIDE equ 0
69%endif
70
71
72;---------------------------;
73; AT Build default settings ;
74;---------------------------;
75%ifdef USE_AT
76 at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE | FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS | MAIN_FLG_MODULE_JRIDE
77 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
78 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
79 at ROMVARS.bIdeCnt, db 4 ; Number of supported controllers
80 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
81 at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
82 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory
83
84 at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_ATA_DEFAULT_PORT ; Controller Command Block base port
85 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_ATA_DEFAULT_PORTCTRL ; Controller Control Block base port
86 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
87 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0
88 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
89 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
90
91 at ROMVARS.ideVars1+IDEVARS.wPort, dw 170h ; Controller Command Block base port
92 at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw 370h ; Controller Control Block base port
93 at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
94 at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0
95 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
96 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
97
98 at ROMVARS.ideVars2+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
99 at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
100 at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_8BIT_DUAL_PORT_XTIDE
101 at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
102 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
103 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
104
105 at ROMVARS.ideVars3+IDEVARS.wPort, dw 168h ; Controller Command Block base port
106 at ROMVARS.ideVars3+IDEVARS.wPortCtrl, dw 368h ; Controller Control Block base port
107 at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
108 at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
109 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
110 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
111
112%ifdef MODULE_SERIAL
113 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
114%endif
115%else
116;-----------------------------------;
117; XT and XT+ Build default settings ;
118;-----------------------------------;
119 at ROMVARS.wFlags, dw FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS | MAIN_FLG_MODULE_JRIDE
120 at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
121 at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
122 at ROMVARS.bIdeCnt, db 1 ; Number of supported controllers
123 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
124 at ROMVARS.bMinFddCnt, db 1 ; Assume at least 1 floppy drive present if autodetect fails
125 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
126
127 at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
128 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
129%ifdef MODULE_JRIDE
130 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_JRIDE_ISA
131%else
132 at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_DUAL_PORT_XTIDE
133%endif
134 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 ; IRQ
135 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
136 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
137
138 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
139 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
140
141 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
142 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
143
144 at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
145 at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
146
147%ifdef MODULE_SERIAL
148 at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
149%endif
150%endif
151iend
152
153 ; Strings are first to avoid them moving unnessarily when code is turned on and off with %ifdef's
154 ; since some groups of strings need to be on the same 256-byte page.
155 ;
156%ifdef MODULE_STRINGS_COMPRESSED
157 %define STRINGSCOMPRESSED_STRINGS
158 %include "StringsCompressed.asm"
159%else
160 %include "Strings.asm" ; For BIOS message strings
161%endif
162
163 ; Libraries, data, Initialization and drive detection
164
165 %include "AssemblyLibrary.asm"
166
167 ; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
168 ; established in the assembly library), and are unncessary if strings are not compressed.
169 ;
170%ifdef MODULE_STRINGS_COMPRESSED
171 %undef STRINGSCOMPRESSED_STRINGS
172 %define STRINGSCOMPRESSED_TABLES
173 %include "StringsCompressed.asm"
174%endif
175
176 %include "Initialize.asm" ; For BIOS initialization
177 %include "Interrupts.asm" ; For Interrupt initialization
178 %include "RamVars.asm" ; For RAMVARS initialization and access
179 %include "CreateDPT.asm" ; For creating DPTs
180 %include "FindDPT.asm" ; For finding DPTs
181 %include "AccessDPT.asm" ; For accessing DPTs
182 %include "LbaAssist.asm" ; For generating L-CHS parameters to LBA drives
183 %include "BootMenuInfo.asm" ; For creating BOOTMENUINFO structs
184 %include "AtaID.asm" ; For ATA Identify Device information
185 %include "DetectDrives.asm" ; For detecting IDE drives
186 %include "DetectPrint.asm" ; For printing drive detection strings
187
188 ; Boot menu
189 %include "BootMenu.asm" ; For Boot Menu operations
190 %include "BootMenuEvent.asm" ; For menu library event handling
191 ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
192 ; so that jump table entries in BootMenuEvent stay within 8-bits
193 %include "BootMenuPrint.asm" ; For printing Boot Menu strings, also includes "BootMenuPrintCfg.asm"
194 %include "BootPrint.asm" ; For printing boot information
195 %include "FloppyDrive.asm" ; Floppy Drive related functions
196 %include "BootSector.asm" ; For loading boot sector
197
198 ; Boot loader
199 %include "Int19h.asm" ; For Int 19h, Boot Loader
200
201 ; For all device types
202 %include "Idepack.asm"
203 %include "Device.asm"
204 %include "Timer.asm" ; For timeout and delay
205
206 ; IDE Device support
207%define IDEDEVICE Ide
208%define ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
209 %include "IOMappedIDE.inc" ; Assembly IDE support for normal I/O mapped controllers
210 %include "IdeCommand.asm"
211 %include "IdeTransfer.asm" ; Must be included after IdeCommand.asm
212 %include "IdeWait.asm"
213 %include "IdeError.asm" ; Must be included after IdeWait.asm
214 %include "IdeDPT.asm"
215 %include "IdeIO.asm"
216 %include "IdeIrq.asm"
217%undef IDEDEVICE
218%undef ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
219
220 ; JR-IDE support
221%ifdef MODULE_JRIDE
222%define IDEDEVICE MemIde
223 %include "MemMappedIDE.inc" ; Assembly IDE support for memory mapped controllers
224 %include "IdeCommand.asm"
225 %include "MemIdeTransfer.asm" ; Must be included after IdeCommand.asm
226 %include "IdeWait.asm"
227 %include "IdeError.asm" ; Must be included after IdeWait.asm
228%undef IDEDEVICE
229%endif
230
231
232%ifdef MODULE_SERIAL ; Serial Port Device support
233 %include "SerialCommand.asm"
234 %include "SerialDPT.asm"
235%endif
236
237 ; INT 13h Hard Disk BIOS functions
238 %include "Int13h.asm" ; For Int 13h, Disk functions
239 %include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
240 %include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
241 %include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
242 %include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
243 %include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
244 %include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
245 %include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
246 %include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
247 %include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
248 %include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
249 %include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
250 %include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
251 %include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
252 %include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
253 %include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
254 %include "DriveXlate.asm" ; For swapping drive numbers
255 %include "Address.asm" ; For sector address translations
256 %include "Prepare.asm" ; For buffer pointer normalization
257%ifdef MODULE_EBIOS
258 %include "AH42h_ExtendedReadSectors.asm"
259 %include "AH43h_ExtendedWriteSectors.asm"
260 %include "AH44h_ExtendedVerifySectors.asm"
261 %include "AH47h_ExtendedSeek.asm"
262 %include "AH48h_GetExtendedDriveParameters.asm"
263 %include "AH41h_CheckIfExtensionsPresent.asm"
264%endif
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