source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Main.asm@ 114

Last change on this file since 114 was 112, checked in by krille_n_@…, 14 years ago

Changes to the XTIDE Universal BIOS:

  • Removed the original copy of macros.inc to make it possible to build the BIOS.
File size: 7.7 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
15; Included .inc files
16%include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
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 "RomVars.inc" ; For ROMVARS and IDEVARS structs
24%include "RamVars.inc" ; For RAMVARS struct
25%include "BootVars.inc" ; For BOOTVARS and BOOTNFO structs
26%include "BootMenu.inc" ; For Boot Menu
27%include "IDE_8bit.inc" ; For IDE 8-bit data port macros
28
29
30; Section containing code
31SECTION .text
32
33; ROM variables (must start at offset 0)
34CNT_ROM_BLOCKS EQU 16 ; 16 * 512B = 8kB BIOS
35istruc ROMVARS
36 at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
37 at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
38 at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
39 at ROMVARS.rgbSign, db "XTIDE120" ; Signature for flash program
40 at ROMVARS.szTitle
41 db "-=XTIDE Universal BIOS"
42%ifdef USE_AT
43 db " (AT)=-",NULL
44%elifdef USE_186
45 db " (XT+)=-",NULL
46%else
47 db " (XT)=-",NULL
48%endif
49 at ROMVARS.szVersion, db "v1.2.0_wip (",__DATE__,")",NULL
50
51;---------------------------;
52; AT Build default settings ;
53;---------------------------;
54%ifdef USE_AT
55 at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE | FLG_ROMVARS_DRVXLAT
56 at ROMVARS.bIdeCnt, db 3 ; Number of supported controllers
57 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
58 at ROMVARS.bBootDelay, db 30 ; Boot Menu selection delay (secs)
59 at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
60 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory
61
62 at ROMVARS.ideVars0+IDEVARS.wPort, dw 1F0h ; Controller Command Block base port
63 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw 3F0h ; Controller Control Block base port
64 at ROMVARS.ideVars0+IDEVARS.bBusType, db BUS_TYPE_16 ; Bus type
65 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 14 ; IRQ
66 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
67 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
68
69 at ROMVARS.ideVars1+IDEVARS.wPort, dw 170h ; Controller Command Block base port
70 at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw 370h ; Controller Control Block base port
71 at ROMVARS.ideVars1+IDEVARS.bBusType, db BUS_TYPE_16 ; Bus type
72 at ROMVARS.ideVars1+IDEVARS.bIRQ, db 15 ; IRQ
73 at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
74 at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
75
76 at ROMVARS.ideVars2+IDEVARS.wPort, dw 300h ; Controller Command Block base port
77 at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw 308h ; Controller Control Block base port
78 at ROMVARS.ideVars2+IDEVARS.bBusType, db BUS_TYPE_8_DUAL ; Bus type
79 at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0 ; IRQ
80 at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
81 at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
82%else
83;-----------------------------------;
84; XT and XT+ Build default settings ;
85;-----------------------------------;
86 at ROMVARS.wFlags, dw FLG_ROMVARS_DRVXLAT
87 at ROMVARS.bIdeCnt, db 1 ; Number of supported controllers
88 at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
89 at ROMVARS.bBootDelay, db 30 ; Boot Menu selection delay (secs)
90 at ROMVARS.bMinFddCnt, db 1 ; Assume at least 1 floppy drive present if autodetect fails
91 at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
92
93 at ROMVARS.ideVars0+IDEVARS.wPort, dw 300h ; Controller Command Block base port
94 at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw 308h ; Controller Control Block base port
95 at ROMVARS.ideVars0+IDEVARS.bBusType, db BUS_TYPE_8_DUAL ; Bus type
96 at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 ; IRQ
97 at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
98 at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
99%endif
100iend
101
102
103; Include .asm files (static data and libraries)
104%include "AssemblyLibrary.asm"
105%include "Strings.asm" ; For BIOS message strings
106
107; Include .asm files (Initialization and drive detection)
108%include "Initialize.asm" ; For BIOS initialization
109%include "Interrupts.asm" ; For Interrupt initialization
110%include "RamVars.asm" ; For RAMVARS initialization and access
111%include "CreateDPT.asm" ; For creating DPTs
112%include "FindDPT.asm" ; For finding DPTs
113%include "AccessDPT.asm" ; For accessing DPTs
114%include "BootInfo.asm" ; For creating BOOTNFO structs
115%include "AtaID.asm" ; For ATA Identify Device information
116%include "DetectDrives.asm" ; For detecting IDE drives
117%include "DetectPrint.asm" ; For printing drive detection strings
118
119; Include .asm files (boot menu)
120%include "BootVars.asm" ; For accessing BOOTVARS struct
121%include "BootMenu.asm" ; For Boot Menu operations
122%include "BootMenuEvent.asm" ; For menu library event handling
123%include "FloppyDrive.asm" ; Floppy Drive related functions
124%include "BootSector.asm" ; For loading boot sector
125%include "BootPrint.asm" ; For printing boot information
126%include "BootMenuPrint.asm" ; For printing Boot Menu strings
127%include "BootMenuPrintCfg.asm" ; For printing hard disk configuration
128
129; Include .asm files (general drive accessing)
130%include "DriveXlate.asm" ; For swapping drive numbers
131%include "HAddress.asm" ; For sector address translations
132%include "HCapacity.asm" ; For calculating drive capacity
133%include "HError.asm" ; For error checking
134%include "HPIO.asm" ; For PIO transfers
135%include "HIRQ.asm" ; For IRQ handling
136%include "HStatus.asm" ; For reading hard disk status
137%include "HDrvSel.asm" ; For selecting drive to access
138%include "HCommand.asm" ; For outputting command and parameters
139
140; Include .asm files (Interrupt handlers)
141%include "Int13h.asm" ; For Int 13h, Disk functions
142%ifndef USE_AT
143 %include "Int19hLate.asm" ; For late initialization
144%endif
145%include "Int19hMenu.asm" ; For Int 19h, Boot Loader for Boot Menu
146
147; Include .asm files (Hard Disk BIOS functions)
148%include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
149%include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
150%include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
151%include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
152%include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
153%include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
154%include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
155%include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
156%include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
157%include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
158%include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
159%include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
160%include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
161%include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
162%include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
163
164
165
166; Fill with zeroes until size is what we want
167;times (CNT_ROM_BLOCKS*512)-($-$$) db 0
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