| [3] | 1 | ; Project name : XTIDE Universal BIOS
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| [86] | 2 | ; Authors : Tomi Tilli
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| 3 | ; : aitotat@gmail.com
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| 4 | ; :
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| [181] | 5 | ; : Greg Lindhorst
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| 6 | ; : gregli@hotmail.com
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| 7 | ; ;
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| [86] | 8 | ; : Krister Nordvall
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| 9 | ; : krille_n_@hotmail.com
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| 10 | ; :
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| [3] | 11 | ; Description : Main file for BIOS. This is the only file that needs
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| 12 | ; to be compiled since other files are included to this
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| 13 | ; file (so no linker needed, Nasm does it all).
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| 14 |
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| 15 | ORG 000h ; Code start offset 0000h
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| 16 |
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| [183] | 17 | %define MENUEVENT_INLINE_OFFSETS ; Only one menu required, save space and inline offsets
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| 18 |
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| [181] | 19 | ; Included .inc files
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| 20 | %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
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| 21 | %include "IntController.inc" ; For Interrupt Controller equates
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| 22 | %include "ATA_ID.inc" ; For ATA Drive Information structs
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| 23 | %include "IdeRegisters.inc" ; For ATA Registers, flags and commands
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| 24 | %include "Int13h.inc" ; Equates for INT 13h functions
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| [176] | 25 | %ifdef MODULE_EBIOS
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| [181] | 26 | %include "EBIOS.inc" ; Equates for EBIOS functions
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| [176] | 27 | %endif
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| [181] | 28 | %include "CustomDPT.inc" ; For Disk Parameter Table
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| 29 | %include "RomVars.inc" ; For ROMVARS and IDEVARS structs
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| 30 | %include "RamVars.inc" ; For RAMVARS struct
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| 31 | %include "BootVars.inc" ; For BOOTVARS and BOOTNFO structs
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| 32 | %include "BootMenu.inc" ; For Boot Menu
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| 33 | %include "IDE_8bit.inc" ; For IDE 8-bit data port macros
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| 34 | %include "DeviceIDE.inc" ; For IDE device equates
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| [3] | 35 |
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| 36 |
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| 37 | ; Section containing code
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| 38 | SECTION .text
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| 39 |
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| 40 | ; ROM variables (must start at offset 0)
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| [239] | 41 | CNT_ROM_BLOCKS EQU ROMSIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
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| [3] | 42 | istruc ROMVARS
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| 43 | at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
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| 44 | at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
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| [181] | 45 | at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
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| [88] | 46 | at ROMVARS.rgbSign, db "XTIDE120" ; Signature for flash program
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| [3] | 47 | at ROMVARS.szTitle
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| 48 | db "-=XTIDE Universal BIOS"
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| 49 | %ifdef USE_AT
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| [88] | 50 | db " (AT)=-",NULL
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| [3] | 51 | %elifdef USE_186
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| [88] | 52 | db " (XT+)=-",NULL
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| [3] | 53 | %else
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| [88] | 54 | db " (XT)=-",NULL
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| [3] | 55 | %endif
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| [97] | 56 | at ROMVARS.szVersion, db "v1.2.0_wip (",__DATE__,")",NULL
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| [3] | 57 |
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| [179] | 58 | ;;; For OR'ing into wFlags below
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| [181] | 59 | ;;;
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| [179] | 60 | %ifdef MODULE_SERIAL
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| [181] | 61 | MAIN_FLG_MODULE_SERIAL equ FLG_ROMVARS_MODULE_SERIAL
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| [179] | 62 | %else
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| [181] | 63 | MAIN_FLG_MODULE_SERIAL equ 0
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| [179] | 64 | %endif
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| 65 |
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| 66 | %ifdef MODULE_EBIOS
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| [181] | 67 | MAIN_FLG_MODULE_EBIOS equ FLG_ROMVARS_MODULE_EBIOS
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| [179] | 68 | %else
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| [181] | 69 | MAIN_FLG_MODULE_EBIOS equ 0
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| [179] | 70 | %endif
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| 71 |
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| [3] | 72 | ;---------------------------;
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| 73 | ; AT Build default settings ;
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| 74 | ;---------------------------;
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| 75 | %ifdef USE_AT
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| [179] | 76 | at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE | FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS
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| [143] | 77 | at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
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| [137] | 78 | at ROMVARS.wBootTimeout, dw 30 * TICKS_PER_SECOND ; Boot Menu selection timeout
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| [150] | 79 | at ROMVARS.bIdeCnt, db 4 ; Number of supported controllers
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| [3] | 80 | at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
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| 81 | at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
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| 82 | at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory
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| 83 |
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| [199] | 84 | at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_ATA_DEFAULT_PORT ; Controller Command Block base port
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| 85 | at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_ATA_DEFAULT_PORTCTRL ; Controller Control Block base port
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| [150] | 86 | at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
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| [160] | 87 | at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0
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| [3] | 88 | at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 89 | at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 90 |
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| 91 | at ROMVARS.ideVars1+IDEVARS.wPort, dw 170h ; Controller Command Block base port
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| 92 | at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw 370h ; Controller Control Block base port
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| [150] | 93 | at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
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| [160] | 94 | at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0
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| [3] | 95 | at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 96 | at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 97 |
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| [199] | 98 | at ROMVARS.ideVars2+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
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| 99 | at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
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| [150] | 100 | at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_8BIT_DUAL_PORT_XTIDE
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| 101 | at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
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| [3] | 102 | at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 103 | at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| [143] | 104 |
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| 105 | at ROMVARS.ideVars3+IDEVARS.wPort, dw 168h ; Controller Command Block base port
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| 106 | at ROMVARS.ideVars3+IDEVARS.wPortCtrl, dw 368h ; Controller Control Block base port
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| [150] | 107 | at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
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| 108 | at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
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| [143] | 109 | at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 110 | at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| [175] | 111 |
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| 112 | %ifdef MODULE_SERIAL
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| 113 | at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
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| [181] | 114 | %endif
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| [3] | 115 | %else
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| 116 | ;-----------------------------------;
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| 117 | ; XT and XT+ Build default settings ;
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| 118 | ;-----------------------------------;
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| [179] | 119 | at ROMVARS.wFlags, dw FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS
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| [143] | 120 | at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
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| [137] | 121 | at ROMVARS.wBootTimeout, dw 30 * TICKS_PER_SECOND ; Boot Menu selection timeout
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| [3] | 122 | at ROMVARS.bIdeCnt, db 1 ; Number of supported controllers
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| 123 | at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
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| 124 | at ROMVARS.bMinFddCnt, db 1 ; Assume at least 1 floppy drive present if autodetect fails
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| 125 | at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
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| 126 |
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| [199] | 127 | at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
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| 128 | at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
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| [150] | 129 | at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_DUAL_PORT_XTIDE
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| [3] | 130 | at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 ; IRQ
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| 131 | at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 132 | at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| [143] | 133 |
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| 134 | at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 135 | at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 136 |
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| 137 | at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 138 | at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 139 |
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| 140 | at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| 141 | at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE
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| [175] | 142 |
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| 143 | %ifdef MODULE_SERIAL
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| 144 | at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
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| [3] | 145 | %endif
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| [181] | 146 | %endif
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| [3] | 147 | iend
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| 148 |
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| [181] | 149 | ; Libraries and data
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| 150 | %include "AssemblyLibrary.asm"
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| [186] | 151 | %ifdef MODULE_STRINGS_COMPRESSED
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| 152 | %include "StringsCompressed.asm"
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| 153 | %else
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| [181] | 154 | %include "Strings.asm" ; For BIOS message strings
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| [186] | 155 | %endif
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| [3] | 156 |
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| [181] | 157 | ; Initialization and drive detection
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| 158 | %include "Initialize.asm" ; For BIOS initialization
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| 159 | %include "Interrupts.asm" ; For Interrupt initialization
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| 160 | %include "RamVars.asm" ; For RAMVARS initialization and access
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| 161 | %include "CreateDPT.asm" ; For creating DPTs
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| 162 | %include "FindDPT.asm" ; For finding DPTs
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| 163 | %include "AccessDPT.asm" ; For accessing DPTs
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| 164 | %include "BootInfo.asm" ; For creating BOOTNFO structs
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| 165 | %include "AtaID.asm" ; For ATA Identify Device information
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| 166 | %include "DetectDrives.asm" ; For detecting IDE drives
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| 167 | %include "DetectPrint.asm" ; For printing drive detection strings
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| [192] | 168 |
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| [181] | 169 | ; Boot menu
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| 170 | %include "BootMenu.asm" ; For Boot Menu operations
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| 171 | %include "BootMenuEvent.asm" ; For menu library event handling
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| [192] | 172 | ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
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| 173 | %include "BootMenuPrint.asm" ; For printing Boot Menu strings
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| 174 | %include "BootPrint.asm" ; For printing boot information
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| 175 | %include "BootMenuPrintCfg.asm" ; For printing hard disk configuration
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| [181] | 176 | %include "FloppyDrive.asm" ; Floppy Drive related functions
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| 177 | %include "BootSector.asm" ; For loading boot sector
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| [3] | 178 |
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| [181] | 179 | ; Boot loader
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| 180 | %include "Int19hMenu.asm" ; For Int 19h, Boot Loader for Boot Menu
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| [3] | 181 |
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| [181] | 182 | ; For all device types
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| [192] | 183 | %include "Idepack.asm"
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| [181] | 184 | %include "Device.asm"
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| 185 | %include "Timer.asm" ; For timeout and delay
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| [155] | 186 |
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| [181] | 187 | ; IDE Device support
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| [238] | 188 | %define IDEDEVICE Ide
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| 189 | %define ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
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| 190 | %include "IOMappedIDE.inc" ; Assembly IDE support for normal I/O mapped controllers
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| [181] | 191 | %include "IdeCommand.asm"
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| 192 | %include "IdeTransfer.asm" ; Must be included after IdeCommand.asm
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| [192] | 193 | %include "IdeWait.asm"
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| 194 | %include "IdeError.asm" ; Must be included after IdeWait.asm
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| [181] | 195 | %include "IdeDPT.asm"
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| 196 | %include "IdeIO.asm"
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| 197 | %include "IdeIrq.asm"
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| [238] | 198 | %undef IDEDEVICE
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| 199 | %undef ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
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| [155] | 200 |
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| [238] | 201 | ; JR-IDE support
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| 202 | %ifdef MODULE_JRIDE
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| 203 | %define IDEDEVICE MemIde
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| 204 | %include "MemMappedIDE.inc" ; Assembly IDE support for memory mapped controllers
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| 205 | %include "IdeCommand.asm"
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| 206 | %include "MemIdeTransfer.asm" ; Must be included after IdeCommand.asm
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| 207 | %include "IdeWait.asm"
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| 208 | %include "IdeError.asm" ; Must be included after IdeWait.asm
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| 209 | %undef IDEDEVICE
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| 210 | %endif
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| 211 |
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| 212 |
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| [181] | 213 | %ifdef MODULE_SERIAL ; Serial Port Device support
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| 214 | %include "SerialCommand.asm"
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| 215 | %include "SerialDPT.asm"
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| [175] | 216 | %endif
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| [155] | 217 |
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| [181] | 218 | ; INT 13h Hard Disk BIOS functions
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| 219 | %include "Int13h.asm" ; For Int 13h, Disk functions
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| 220 | %include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
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| 221 | %include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
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| 222 | %include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
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| 223 | %include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
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| 224 | %include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
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| 225 | %include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
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| 226 | %include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
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| 227 | %include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
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| 228 | %include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
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| 229 | %include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
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| 230 | %include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
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| 231 | %include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
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| 232 | %include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
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| 233 | %include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
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| 234 | %include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
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| [221] | 235 | %include "DriveXlate.asm" ; For swapping drive numbers
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| 236 | %include "Address.asm" ; For sector address translations
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| 237 | %include "Prepare.asm" ; For buffer pointer normalization
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| [176] | 238 | %ifdef MODULE_EBIOS
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| [181] | 239 | %include "AH42h_ExtendedReadSectors.asm"
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| 240 | %include "AH43h_ExtendedWriteSectors.asm"
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| 241 | %include "AH44h_ExtendedVerifySectors.asm"
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| 242 | %include "AH47h_ExtendedSeek.asm"
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| 243 | %include "AH48h_GetExtendedDriveParameters.asm"
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| [221] | 244 | %include "AH41h_CheckIfExtensionsPresent.asm"
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| [176] | 245 | %endif
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| [3] | 246 |
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| 247 |
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| 248 | ; Fill with zeroes until size is what we want
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| [88] | 249 | ;times (CNT_ROM_BLOCKS*512)-($-$$) db 0
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