source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 88

Last change on this file since 88 was 88, checked in by Tomi Tilli, 14 years ago

Changes to XTIDE Universal BIOS:

  • Now uses new libraries (untested)
  • Non-working since code size is too large
File size: 8.3 KB
Line 
1; Project name : XTIDE Universal BIOS
2; Authors : Tomi Tilli
3; : aitotat@gmail.com
4; :
5; : Krister Nordvall
6; : krille_n_@hotmail.com
7; :
8; Description : Main file for BIOS. This is the only file that needs
9; to be compiled since other files are included to this
10; file (so no linker needed, Nasm does it all).
11
12ORG 000h ; Code start offset 0000h
13
14; Included .inc files
15%include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
16%include "macros.inc" ; General purpose macros
17%include "BiosData.inc" ; For BIOS Data area equates
18%include "Interrupts.inc" ; For interrupt equates
19%include "ATA_ID.inc" ; For ATA Drive Information structs
20%include "IdeRegisters.inc" ; For ATA Registers, flags and commands
21%include "Int13h.inc" ; Equates for INT 13h functions
22%include "CustomDPT.inc" ; For Disk Parameter Table
23%include "CompatibleDPT.inc" ; For standard Disk Parameter Tables
24%include "RomVars.inc" ; For ROMVARS and IDEVARS structs
25%include "RamVars.inc" ; For RAMVARS struct
26%include "BootVars.inc" ; For BOOTVARS and BOOTNFO structs
27%include "BootMenu.inc" ; For Boot Menu
28%include "IDE_8bit.inc" ; For IDE 8-bit data port macros
29
30
31; Section containing code
32SECTION .text
33
34; ROM variables (must start at offset 0)
35CNT_ROM_BLOCKS EQU 16 ; 16 * 512B = 8kB BIOS
36istruc ROMVARS
37 at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
38 at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
39 at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
40 at ROMVARS.rgbDate, db "01/27/11" ; Build data (mm/dd/yy)
41 at ROMVARS.rgbSign, db "XTIDE120" ; Signature for flash program
42 at ROMVARS.szTitle
43 db "-=XTIDE Universal BIOS"
44%ifdef USE_AT
45 db " (AT)=-",NULL
46%elifdef USE_186
47 db " (XT+)=-",NULL
48%else
49 db " (XT)=-",NULL
50%endif
51 at ROMVARS.szVersion, db "v1.2.0_wip (01/27/11)",NULL
52
53;---------------------------;
54; AT Build default settings ;
55;---------------------------;
56%ifdef USE_AT
57 at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE | FLG_ROMVARS_DRVXLAT | FLG_ROMVARS_DRVNFO | FLG_ROMVARS_MAXSIZE
58 at ROMVARS.bIdeCnt, db 3 ; Number of supported controllers
59 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
60 at ROMVARS.bBootDelay, db 30 ; Boot Menu selection delay (secs)
61 at ROMVARS.bBootLdrType, db BOOTLOADER_TYPE_MENU ; Boot loader type
62 at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
63 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory
64
65 at ROMVARS.ideVars0+IDEVARS.wPort, dw 1F0h ; Controller Command Block base port
66 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw 3F0h ; Controller Control Block base port
67 at ROMVARS.ideVars0+IDEVARS.bBusType, db BUS_TYPE_16 ; Bus type
68 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 14 ; IRQ
69 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
70 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
71
72 at ROMVARS.ideVars1+IDEVARS.wPort, dw 170h ; Controller Command Block base port
73 at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw 370h ; Controller Control Block base port
74 at ROMVARS.ideVars1+IDEVARS.bBusType, db BUS_TYPE_16 ; Bus type
75 at ROMVARS.ideVars1+IDEVARS.bIRQ, db 15 ; IRQ
76 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
77 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
78
79 at ROMVARS.ideVars2+IDEVARS.wPort, dw 300h ; Controller Command Block base port
80 at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw 308h ; Controller Control Block base port
81 at ROMVARS.ideVars2+IDEVARS.bBusType, db BUS_TYPE_8_DUAL ; Bus type
82 at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0 ; IRQ
83 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
84 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
85%else
86;-----------------------------------;
87; XT and XT+ Build default settings ;
88;-----------------------------------;
89 at ROMVARS.wFlags, dw FLG_ROMVARS_LATE | FLG_ROMVARS_DRVXLAT | FLG_ROMVARS_ROMBOOT | FLG_ROMVARS_DRVNFO | FLG_ROMVARS_MAXSIZE
90 at ROMVARS.bIdeCnt, db 1 ; Number of supported controllers
91 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
92 at ROMVARS.bBootDelay, db 30 ; Boot Menu selection delay (secs)
93 at ROMVARS.bBootLdrType, db BOOTLOADER_TYPE_MENU ; Boot loader type
94 at ROMVARS.bMinFddCnt, db 1 ; Assume at least 1 floppy drive present if autodetect fails
95 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
96
97 at ROMVARS.ideVars0+IDEVARS.wPort, dw 300h ; Controller Command Block base port
98 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw 308h ; Controller Control Block base port
99 at ROMVARS.ideVars0+IDEVARS.bBusType, db BUS_TYPE_8_DUAL ; Bus type
100 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 ; IRQ
101 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
102 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
103%endif
104iend
105
106
107; Include .asm files (static data and libraries)
108%include "AssemblyLibrary.asm"
109%include "Strings.asm" ; For BIOS message strings
110
111; Include .asm files (Initialization and drive detection)
112%include "Initialize.asm" ; For BIOS initialization
113%include "Interrupts.asm" ; For Interrupt initialization
114%include "RamVars.asm" ; For RAMVARS initialization and access
115%include "CreateDPT.asm" ; For creating DPTs
116%include "FindDPT.asm" ; For finding DPTs
117%include "AccessDPT.asm" ; For accessing DPTs
118%include "CompatibleDPT.asm" ; For creating compatible DPTs
119%include "BootInfo.asm" ; For creating BOOTNFO structs
120%include "AtaID.asm" ; For ATA Identify Device information
121%include "DetectDrives.asm" ; For detecting IDE drives
122%include "DetectPrint.asm" ; For printing drive detection strings
123
124; Include .asm files (boot menu)
125%include "BootVars.asm" ; For accessing BOOTVARS struct
126%include "BootMenu.asm" ; For Boot Menu operations
127%include "BootMenuEvent.asm" ; For menu library event handling
128%include "FloppyDrive.asm" ; Floppy Drive related functions
129%include "BootMenuPrint.asm" ; For printing Boot Menu strings
130%include "BootMenuPrintCfg.asm" ; For printing hard disk configuration
131
132; Include .asm files (general drive accessing)
133%include "DriveXlate.asm" ; For swapping drive numbers
134%include "HAddress.asm" ; For sector address translations
135%include "HCapacity.asm" ; For calculating drive capacity
136%include "HError.asm" ; For error checking
137%include "HPIO.asm" ; For PIO transfers
138%include "HIRQ.asm" ; For IRQ handling
139%include "HStatus.asm" ; For reading hard disk status
140%include "HDrvSel.asm" ; For selecting drive to access
141%include "HCommand.asm" ; For outputting command and parameters
142
143; Include .asm files (Interrupt handlers)
144%include "Int13h.asm" ; For Int 13h, Disk functions
145%include "Int18h.asm" ; For Int 18h, ROM Boot and Boot error
146%include "Int19h.asm" ; For Int 19h, Boot Loader
147%include "Int19hMenu.asm" ; For Int 19h, Boot Loader for Boot Menu
148%include "BootPrint.asm" ; For printing boot information
149
150; Include .asm files (Hard Disk BIOS functions)
151%include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
152%include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
153%include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
154%include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
155%include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
156%include "AH5h_HFormat.asm" ; Required by Int13h_Jump.asm
157%include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
158%include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
159%include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
160%include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
161%include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
162%include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
163%include "AH14h_HDiag.asm" ; Required by Int13h_Jump.asm
164%include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
165%include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
166%include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
167%include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
168
169
170
171; Fill with zeroes until size is what we want
172;times (CNT_ROM_BLOCKS*512)-($-$$) db 0
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