| 1 | ;
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| 2 | ; AiR-BOOT (c) Copyright 1998-2008 M. Kiewitz
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| 3 | ;
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| 4 | ; This file is part of AiR-BOOT
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| 5 | ;
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| 6 | ; AiR-BOOT is free software: you can redistribute it and/or modify it under
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| 7 | ; the terms of the GNU General Public License as published by the Free
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| 8 | ; Software Foundation, either version 3 of the License, or (at your option)
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| 9 | ; any later version.
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| 10 | ;
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| 11 | ; AiR-BOOT is distributed in the hope that it will be useful, but WITHOUT ANY
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| 12 | ; WARRANTY: without even the implied warranty of MERCHANTABILITY or FITNESS
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| 13 | ; FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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| 14 | ; details.
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| 15 | ;
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| 16 | ; You should have received a copy of the GNU General Public License along with
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| 17 | ; AiR-BOOT. If not, see <http://www.gnu.org/licenses/>.
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| 18 | ;
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| 19 |
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| 20 |
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| 21 | ;------------------------------------------------------------------------------
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| 22 | ; AiR-BOOT / DEFINITIONS
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| 23 | ;------------------------------------------------------------------------------
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| 24 | ;
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| 25 |
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| 26 | ;
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| 27 | ; Include AiR-BOOT Version Information.
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| 28 | ;
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| 29 | Include VERSION.INC
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| 30 |
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| 31 | ;
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| 32 | ; Include OS/2 BLDLEVEL Information.
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| 33 | ;
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| 34 | Include BLDLEVEL.INC
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| 35 |
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| 36 |
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| 37 | ; -------------------------
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| 38 | ; Rousseau: JUMPS disabled
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| 39 | ; -------------------------
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| 40 | ; We actually don't want to use this directive because it generates extra
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| 41 | ; NOP instructions that we can do without.
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| 42 | ; Relative conditional jumps that are out-of-range are manually reworked by
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| 43 | ; skipping an unconditional jump to the target on base of complementary
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| 44 | ; condition logic and temporary labels.
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| 45 | ; TASM also has a bug in that when the .ERR2 directive is used when
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| 46 | ; the .386 directive is in effect, the JUMPS directive is also active
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| 47 | ; and cannot be turned off.
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| 48 | ; NOJUMPS seems to have no effect in this situation.
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| 49 | ; In this case 4 NOP instructions are generated after forward referencing jump
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| 50 | ; instructions, to allow for automatic recoding by TASM.
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| 51 | ; This seems to be a TASM bug. (v2,v3,v4, dunno v5)
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| 52 | IFDEF TASM
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| 53 | ;~ JUMPS
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| 54 | ENDIF
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| 55 |
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| 56 | ;
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| 57 | ; If defined then each module is prefixed with it's name.
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| 58 | ; This is used for debugging purposes.
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| 59 | ; It should be off in release code.
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| 60 | ;
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| 61 | ;ModuleNames equ 1
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| 62 |
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| 63 |
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| 64 | ;
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| 65 | ; The first harddisk is BIOS coded 80h.
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| 66 | ; This makes a total of 128 disk could be supported using this coding.
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| 67 | ; This value is used to store disk-information and this info is allocated
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| 68 | ; in the BSS.
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| 69 | ;
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| 70 | MaxDisks equ 64
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| 71 |
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| 72 |
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| 73 |
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| 74 |
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| 75 | ;
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| 76 | ; Include Debug Modules and enable COM-port debugging.
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| 77 | ;
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| 78 | ;~ AUX_DEBUG EQU
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| 79 |
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| 80 |
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| 81 |
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| 82 |
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| 83 |
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| 84 | ;
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| 85 | ; bits 7-5 = datarate
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| 86 | ; (000=110,001=150,010=300,011=600,100=1200,101=2400,110=4800,111=9600 bps)
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| 87 | ; bits 4-3 = parity
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| 88 | ; (00 or 10 = none, 01 = odd, 11 = even)
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| 89 | ; bit 2 = stop-bits
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| 90 | ; (set = 2 stop-bits, clear = 1 stop-bit)
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| 91 | ; bits 1-0 = data-bits
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| 92 | ; (00 = 5, 01 = 6, 10 = 7, 11 = 8)
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| 93 | ;
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| 94 |
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| 95 | ; 9600 bps, no parity, 1 stop-bit, 8 bits per char
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| 96 | AUX_INIT_PARMS EQU 11100011b
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| 97 |
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| 98 | ; Com-port for debugging, 0 is disabled
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| 99 | BIOS_COM_PORT EQU 1
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| 100 |
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| 101 | ; Default word value for BIOS_AuxParms variable
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| 102 | ; Note that is has moved since v1.07
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| 103 | BIOS_AUXPARMS_DEFAULT EQU (AUX_INIT_PARMS SHL 8) OR BIOS_COM_PORT
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| 104 |
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| 105 |
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| 106 |
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| 107 |
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| 108 | ;
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| 109 | ; If ReleaseCode is not defined, it will produce debug-able code...
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| 110 | ;
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| 111 | ReleaseCode equ -1
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| 112 |
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| 113 |
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| 114 | ;
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| 115 | ; All Special Equ's for this project
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| 116 | ;
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| 117 |
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| 118 | ; Use different addresses depending on whether in pre-boot
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| 119 | ; or debug (dos) environment.
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| 120 | IFDEF ReleaseCode
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| 121 | StartBaseSeg equ 00000h ; Pre-boot, we are in low memory
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| 122 | StartBasePtr equ 07C00h ; BIOS starts our MBR at 0:7C00
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| 123 | ELSE
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| 124 | ; Rousseau: where does this value come from ?
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| 125 | ; Should be CS.
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| 126 | ; Rectified in actual code by ignoring this value.
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| 127 | StartBaseSeg equ 03A98h ; Adjust to DOS segment
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| 128 | StartBasePtr equ 00100h ; We are a .COM file, DOS is active
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| 129 | ENDIF
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| 130 |
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| 131 | ; Address labels after code-move
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| 132 | BootBaseSeg equ 08000h ; Pre-boot, in the low 640K
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| 133 | BootBasePtr equ 0h ; We put our MBR to this location
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| 134 | BootBaseExec equ BootBasePtr+offset MBR_RealStart
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| 135 | StackSeg equ 07000h ; Put the stack below the code
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| 136 |
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| 137 | ; Video pages, no INT 10h is used for menu-drawing etc.
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| 138 | VideoIO_Page0 equ 0B800h
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| 139 | VideoIO_Page1 equ 0B900h
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| 140 | VideoIO_Page2 equ 0BA00h
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| 141 | VideoIO_Page4 equ 0BC00h
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| 142 | VideoIO_FXSegment equ 0A000h
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| 143 |
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| 144 | ; Include some macro's
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| 145 | Include ../INCLUDE/ASM.INC
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| 146 |
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| 147 | ; Special line-drawing characters
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| 148 | TextChar_WinLineRight equ 0C4h ; 'Ä'
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| 149 | TextChar_WinLineDown equ 0B3h ; '³'
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| 150 | TextChar_WinRep1 equ 0D1h ; 'Ñ'
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| 151 | TextChar_WinRep2 equ 0C5h ; 'Å'
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| 152 | TextChar_WinRep3 equ 0CFh ; 'Ï'
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| 153 | TextChar_WinRep4 equ 0B5h ; 'µ'
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| 154 | TextChar_WinRep5 equ 0C6h ; 'Æ'
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| 155 | TextChar_WinRep6 equ 0D8h ; 'Ø'
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| 156 |
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| 157 | ; Offsets for Partition-Entries in MBR/EPRs
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| 158 | LocBRPT_LenOfEntry equ 16 ; Length of a standard MBR or EPR entry
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| 159 | LocBRPT_Flags equ 0 ; Bootable, Hidden, etc.
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| 160 | LocBRPT_BeginCHS equ 1 ; Combined 10-bits cyl with 6 bits
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| 161 | LocBRPT_BeginHead equ 1 ; Start head (0<=H<255) 255 is invalid !
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| 162 | LocBRPT_BeginSector equ 2 ; Start sector (1<=S<=255)
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| 163 | LocBRPT_BeginCylinder equ 3 ; Start cylinder (0<=C<[1024,16384,65536,n])
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| 164 | LocBRPT_SystemID equ 4 ; Type of system using the partition
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| 165 | LocBRPT_EndCHS equ 5 ; Same for end of partition
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| 166 | LocBRPT_EndHead equ 5
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| 167 | LocBRPT_EndSector equ 6
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| 168 | LocBRPT_EndCylinder equ 7
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| 169 | LocBRPT_RelativeBegin equ 8
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| 170 | LocBRPT_AbsoluteLength equ 12
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| 171 |
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| 172 | LocBR_Magic equ 510
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| 173 |
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| 174 |
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| 175 | ; Used as a quick compare in LVM.ASM
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| 176 | LocLVM_SignatureByte0 equ 02h
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| 177 |
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| 178 | ; Offsets for LVM Information Sector.
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| 179 | ; These are relative to the start of the LVM sector.
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| 180 | LocLVM_SignatureStart equ 00h ; 02h,'RMBPMFD' (8 bytes)
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| 181 | LocLVM_CRC equ 08h ; CRC is a DWORD
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| 182 | LocLVM_Heads equ 1ch ; Number of heads
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| 183 | LocLVM_Secs equ 20h ; Sectors per Track
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| 184 | LocLVM_DiskName equ 24h ; Name of the disk
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| 185 | LocLVM_StartOfEntries equ 3ch ; (contains maximum of 4 entries)
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| 186 | LocLVM_LenOfEntry equ 3ch ; Length of an LVM-entry
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| 187 |
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| 188 | ; An LVM info-sector can contain information on max. 4 partitions.
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| 189 | ; All 4 entries will be used when there 4 primary partitions defined.
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| 190 | ; For logical partitions, the LVM info-sector is located below the start
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| 191 | ; of the logical partition and only one LVM entry is used in that logical
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| 192 | ; LVM info-sector.
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| 193 | LocLVM_MaxEntries equ 4 ; Max entries in an LVM-sector
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| 194 |
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| 195 | ; Offsets for LVM entry.
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| 196 | ; These are relative to the start of the entry.
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| 197 | LocLVM_VolumeID equ 00h ; is DWORD
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| 198 | LocLVM_PartitionID equ 04h ; is DWORD
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| 199 | LocLVM_PartitionSize equ 08h ; is DWORD
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| 200 | LocLVM_PartitionStart equ 0ch ; is DWORD
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| 201 | LocLVM_OnBootMenu equ 10h ; is on IBM BM Bootmenu
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| 202 | LocLVM_Startable equ 11h ; is Startable (newly installed system)
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| 203 | LocLVM_VolumeLetter equ 12h ; is Drive Letter for partition (C-Z or 0)
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| 204 | LocLVM_Unknown equ 13h ; unknown BYTE
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| 205 |
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| 206 | ; Truncated to 11 chars when displayed in menu.
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| 207 | ; MiniLVM sets both to the same value.
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| 208 | ; Also, MiniLVM uses a 0-byte terminator, so the maximum length is 19d.
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| 209 | ; Same goes for LocLVM_DiskName.
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| 210 | ; These offsets are relative to an LVM entry.
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| 211 | LocLVM_VolumeName equ 14h ; 20 bytes
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| 212 | LocLVM_PartitionName equ 28h ; 20 bytes (Used in menu)
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| 213 |
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| 214 | ; LVM constants.
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| 215 | LocLVM_LabelLen equ 14h ; Length of an LVM Label (Disk/Part/Vol)
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| 216 | LocLVM_DiskNameLen equ 14h ; Length of an LVM DiskName
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| 217 | LocLVM_VolumeNameLen equ 14h ; Length of an LVM VolumeName
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| 218 | LocLVM_PartitionNameLen equ 14h ; Length of an LVM PartitionName
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| 219 |
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| 220 |
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| 221 |
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| 222 | ; Offsets for IPT (Internal Partition Table)
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| 223 | LocIPT_MaxPartitions equ partition_count ; 45 in v1.07
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| 224 | LocIPT_LenOfSizeElement equ 6 ; Size of one Size-Element
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| 225 | LocIPT_LenOfIPT equ 34 ; Length of an IPT-entry
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| 226 | LocIPT_Serial equ 0 ; Serial from MBR ?
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| 227 | LocIPT_Name equ 4 ; Name from FS or LVM (part/vol)
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| 228 | LocIPT_Drive equ 15 ; Drive-ID (80h,81h)
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| 229 | LocIPT_SystemID equ 16 ; Partition-Type (06,07,etc)
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| 230 | LocIPT_Flags equ 17 ; AiR-BOOT Flags for partition (see below)
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| 231 | LocIPT_BootRecordCRC equ 18 ; CRC of Boot-Record
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| 232 | LocIPT_LocationBegin equ 20 ; Begin of Partition
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| 233 | LocIPT_LocationPartTable equ 23 ; PartitionTable of Partition
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| 234 | LocIPT_AbsoluteBegin equ 26 ; Absolute Sector of Begin
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| 235 | LocIPT_AbsolutePartTable equ 30 ; Absolute Sector of PartTable
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| 236 |
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| 237 | ; Hidden Partition Table
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| 238 | ;~ LocHPT_LenOfHPT equ 30 ; Length of an HPT-entry
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| 239 | ; Length of an HPT-entry ((45 * 6 bits-per-part) / 8) * 45
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| 240 | ; Packed table !
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| 241 | LocHPT_LenOfHPT equ 34
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| 242 |
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| 243 | ; AiR-BOOT IPT-Flags
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| 244 | LocIPT_DefaultFlags equ 00000011b ; Don't know if boot-able :)
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| 245 | LocIPT_DefaultNonBootFlags equ 00000010b ; ...VIBR Detection is always on
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| 246 |
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| 247 | Flags_Bootable equ 00000001b
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| 248 | Flags_VIBR_Detection equ 00000010b
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| 249 | Flags_HideFeature equ 00000100b
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| 250 | Flags_DriveLetter equ 00001000b ; OS/2 FAT16/HPFS only
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| 251 | Flags_ExtPartMShack equ 00010000b ; Ext. Partition M$-Hack req ?
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| 252 | Flags_NoPartName equ 01000000b
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| 253 | Flags_NowFound equ 10000000b ; temp only in OldPartTable
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| 254 | Flags_SpecialMarker equ 10000000b ; temp only for HiddenSetup
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| 255 |
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| 256 | FileSysFlags_BootAble equ 00000001b ; Is this Partition boot-able ?
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| 257 | FileSysFlags_FAT32 equ 00010000b ; FAT 32 specific name getting
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| 258 | FileSysFlags_NoName equ 00100000b ; No Name - use PartitionName
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| 259 | FileSysFlags_DriveLetter equ 01000000b ; DriveLetter Feature possible
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| 260 |
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| 261 | ; Navigation keys
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| 262 | Keys_Up equ 48h
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| 263 | Keys_Down equ 50h
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| 264 | Keys_Left equ 4Bh
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| 265 | Keys_Right equ 4Dh
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| 266 | Keys_PageUp equ 49h
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| 267 | Keys_PageDown equ 51h
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| 268 | Keys_GrayPlus equ 4Eh
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| 269 | Keys_GrayMinus equ 4Ah
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| 270 | Keys_Plus equ 1Bh
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| 271 | Keys_Minus equ 35h
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| 272 | Keys_ENTER equ 1Ch
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| 273 | Keys_ESC equ 1h
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| 274 | Keys_F1 equ 3Bh
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| 275 | Keys_F10 equ 44h
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| 276 | Keys_C equ 2Eh ; Add. Check auf Ctrl!
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| 277 | Keys_Y equ 2Ch
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| 278 | Keys_Z equ 15h
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| 279 | Keys_N equ 31h
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| 280 | Keys_TAB equ 0Fh
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| 281 | Keys_Delete equ 53h
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| 282 | Keys_Backspace equ 0Eh
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| 283 | Keys_Space equ 20h
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| 284 |
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| 285 | Keys_Flags_EnterSetup equ 1100b ; Strg+Alt (AL)
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| 286 |
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| 287 |
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| 288 |
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| 289 |
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| 290 |
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| 291 |
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| 292 | ;------------------------------------------------------------------------------
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| 293 | ; AiR-BOOT / MAIN-CODE
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| 294 | ;------------------------------------------------------------------------------
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| 295 |
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| 296 | ; ------------------------------------------
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| 297 | ; Rousseau: # Changed this from .386 to .286
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| 298 | ; ------------------------------------------
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| 299 | ; Because of the TASM-bug the processor had to be changed to turn JUMPS
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| 300 | ; off. Existing movzx instructions were replaced with 286 equivalent code.
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| 301 | ; Out of range relative jumps have been recoded.
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| 302 | ; TASM still generates an extra NOP after test [mem],1
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| 303 | ; instructions.
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| 304 | ; JWasm produces tighter code.
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| 305 | ; JWasm:
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| 306 | ; With segment overrides, the address is expanded to the bit-width.
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| 307 | ; So, .386 will generate a 32-bit address, even in a USE16 segment.
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| 308 | .286
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| 309 |
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| 310 | ; This influences the uses directive and other stuff,
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| 311 | ; like calling-style and local variables.
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| 312 | ; The model itself,large, has no effect because we generate
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| 313 | ; a binairy image and not a segmented executable.
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| 314 |
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| 315 | ; Tasm needs a memory model for USES on PROC to work.
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| 316 | IFDEF TASM
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| 317 | ;~ .model large, basic
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| 318 | .model tiny,c
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| 319 | ENDIF
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| 320 |
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| 321 | ;
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| 322 | ; This is used to switch between the original 1-segment (code_seg) and the
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| 323 | ; 2-segment (code_seg and bss_data).
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| 324 | ; The 2-segment layout was needed for JWasm because it does not treat
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| 325 | ; db ? in a code segment as bss-data, even if at the end of the code segment.
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| 326 | ; Therefore, a true BSS segment is now used.
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| 327 | ; Both the code_seg and the bss_data are grouped to the logical airboot
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| 328 | ; segment.
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| 329 | ; Note that this influences the offsets in the BSS in the list-file and
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| 330 | ; the wdis disassembly file (.WDA).
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| 331 | ; They are now segment-relative. The true offset is resolved at link
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| 332 | ; time.
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| 333 | ;
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| 334 | SEGMENTED EQU
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| 335 |
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| 336 | IFDEF SEGMENTED
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| 337 | AIRBOOT GROUP LDRIMAGE,VOLATILE
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| 338 | ENDIF
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| 339 |
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| 340 | ; Our code-segment starts here.
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| 341 | LDRIMAGE SEGMENT USE16 PUBLIC 'CODE'
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| 342 |
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| 343 | IFDEF SEGMENTED
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| 344 | ASSUME CS:AIRBOOT, DS:AIRBOOT, ES:nothing, SS:nothing
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| 345 | ELSE
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| 346 | ASSUME CS:LDRIMAGE,DS:LDRIMAGE,ES:nothing, SS:nothing
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| 347 | ENDIF
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| 348 |
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| 349 | ;==============================================================================
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| 350 | ; Sector 1
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| 351 |
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| 352 | ;##############################################################################
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| 353 | ; We are not a .COM file at 100h but a BINARY image
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| 354 | ; of which only the 1st sector gets loaded at 0000:07c00h
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| 355 | ; by the BIOS. The code in this 1st sector is position
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| 356 | ; independent and moves itself to a new location at 8000:0000h.
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| 357 | ; Then it jumps to a new entry-point and loads the rest of
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| 358 | ; the image to the new location.
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| 359 | org 00000h ; Sector 1
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| 360 | ;##############################################################################
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| 361 |
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| 362 |
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| 363 | ;
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| 364 | ; Start of sector 1
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| 365 | ; This is the MBR.
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| 366 | ; Note the AiRBOOT signature, it's date, version and language.
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| 367 | ; Version 1.07 was intruduced in 2011, version 1.0.8 in 2012.
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| 368 | ; These new versions fix issues with huge drives, lvm and more.
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| 369 | ; For a detailed description see AIR-BOOT.HIS.
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| 370 | ;
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| 371 |
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| 372 | ;
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| 373 | ; ---------------------------------------------
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| 374 | ; Rousseau: # Combined letter and jump offset #
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| 375 | ; ---------------------------------------------
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| 376 | ; Martin had a short jump followed by the AiRBOOT signature at first.
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| 377 | ; Then he encountered strange behaviour by some M$ operating-systems
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| 378 | ; if the the first insruction was not a CLI.
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| 379 | ; But there was no room to insert the CLI and of course he did not want to
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| 380 | ; change the location of the AiRBOOT signature.
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| 381 | ; He solved this by inserting the M$ needed CLI at offset 0 followed by a short
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| 382 | ; jump that uses the 'A' of the AiRBOOT signature as the jump displacement.
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| 383 | ;
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| 384 |
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| 385 |
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| 386 | ;------------------------------------------------------------------------------
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| 387 | AiR_BOOT:
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| 388 |
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| 389 | ; Some M$ operating systems need a CLI
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| 390 | ; here otherwise they will go beserk
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| 391 | ; and will do funny things during
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| 392 | ; boot phase, it's laughable!
|
|---|
| 393 | cli
|
|---|
| 394 |
|
|---|
| 395 | ; JMP-Short -> MBR_Start
|
|---|
| 396 | ; Uses the 'A' from the signature as the displacement !
|
|---|
| 397 | db 0EBh
|
|---|
| 398 |
|
|---|
| 399 | ; ID String, Date (DD,MM,CC,YY), Version Number, Language ID
|
|---|
| 400 | ;~ db 'AiRBOOT', 24h, 02h, 20h, 12h, 01h, 08h, TXT_LanguageID
|
|---|
| 401 | InsertAirbootSignature TXT_LanguageID
|
|---|
| 402 |
|
|---|
| 403 | ; Total Sectors Count.
|
|---|
| 404 | ; Will get overwritten by FIXCODE.
|
|---|
| 405 | db 1
|
|---|
| 406 |
|
|---|
| 407 | ; Total Sectors Count,
|
|---|
| 408 | ; Dynamic calculation.
|
|---|
| 409 | ;~ db (code_end-$)/512
|
|---|
| 410 |
|
|---|
| 411 |
|
|---|
| 412 | MBR_CheckCode dw 0 ; Check-Sum for Code
|
|---|
| 413 |
|
|---|
| 414 | ;
|
|---|
| 415 | ; No single instruction below should be changed, added or removed in the code
|
|---|
| 416 | ; below as this will cause the jump-link to go haywire.
|
|---|
| 417 | ;
|
|---|
| 418 | MBR_Start:
|
|---|
| 419 | sti ; This opcode is dedicated to:
|
|---|
| 420 | cld ; =MICROSOFT JUMP DEPARTMENT=
|
|---|
| 421 |
|
|---|
| 422 | ; Setup some base stuff
|
|---|
| 423 | ; AX got loaded wrongly for debug, changed the instructions
|
|---|
| 424 | ; without modifying the number of bytes.
|
|---|
| 425 | ; Don't comment-out the redundant instruction below because this
|
|---|
| 426 | ; *will* change the number of bytes and break the jump-chain.
|
|---|
| 427 | mov ax, StartBaseSeg ; The segment we are moving ourself from (NOT USED)
|
|---|
| 428 | ;mov ds, ax
|
|---|
| 429 | push cs
|
|---|
| 430 | pop ds
|
|---|
| 431 | mov si, StartBasePtr ; The offset we are moving ourself from
|
|---|
| 432 | mov ax, BootBaseSeg ; The target segment we are moving ourself to
|
|---|
| 433 | mov es, ax
|
|---|
| 434 | mov di, BootBasePtr ; The target offset we are moving ourself to
|
|---|
| 435 |
|
|---|
| 436 | ; Depending on pre-boot or debug,
|
|---|
| 437 | ; only move first 512 bytes or the whole she-bang++ (65400 bytes)
|
|---|
| 438 | IFDEF ReleaseCode
|
|---|
| 439 | mov cx, 256 ; Pre-boot environment
|
|---|
| 440 | ELSE
|
|---|
| 441 | mov cx, 32700 ; Debug environment (move ~64kB)
|
|---|
| 442 | ENDIF
|
|---|
| 443 |
|
|---|
| 444 | ;
|
|---|
| 445 | ; LET's MOVE OURSELVES !
|
|---|
| 446 | ;
|
|---|
| 447 | rep movsw
|
|---|
| 448 |
|
|---|
| 449 | ; Code an intersegment jump to the new location
|
|---|
| 450 | db 0EAh
|
|---|
| 451 | dw BootBaseExec ; This is MBR_RealStart + BootBasePtr
|
|---|
| 452 | dw BootBaseSeg ; This is 08000h
|
|---|
| 453 | ;jmp far ptr BootBaseSeg:BootBaseExec
|
|---|
| 454 |
|
|---|
| 455 |
|
|---|
| 456 | ;
|
|---|
| 457 | ; Some MBR-functions to provide absolute minimum functionality.
|
|---|
| 458 | ;
|
|---|
| 459 |
|
|---|
| 460 | ;
|
|---|
| 461 | ; Entry-point for halting the system.
|
|---|
| 462 | ;
|
|---|
| 463 | MBR_HaltSystem:
|
|---|
| 464 | mov ax, 8600h
|
|---|
| 465 | xor cx, cx
|
|---|
| 466 | mov dx, 500
|
|---|
| 467 | int 15h ; Wait to display the whole screen :]
|
|---|
| 468 | MBR_HaltSys:
|
|---|
| 469 | cli
|
|---|
| 470 | jmp MBR_HaltSys
|
|---|
| 471 | ;db 100 dup (0)
|
|---|
| 472 |
|
|---|
| 473 |
|
|---|
| 474 |
|
|---|
| 475 | ;
|
|---|
| 476 | ; Some small space for variables.
|
|---|
| 477 | ;
|
|---|
| 478 | ORIGIN 0003Ch
|
|---|
| 479 |
|
|---|
| 480 | ; Comport settings
|
|---|
| 481 | ; It had to be moved to create room for the double I13X
|
|---|
| 482 | ; signature.
|
|---|
| 483 | ; It cannot be in the config-area (sector 55)
|
|---|
| 484 | ; because that area is crc-protected and would not allow 'poking'.
|
|---|
| 485 | BIOS_AuxParms dw BIOS_AUXPARMS_DEFAULT
|
|---|
| 486 |
|
|---|
| 487 | reserved db 6 dup('X')
|
|---|
| 488 |
|
|---|
| 489 |
|
|---|
| 490 | ;
|
|---|
| 491 | ; We arrive here after the first jump using the 'A' of the
|
|---|
| 492 | ; AiR-BOOT signature.
|
|---|
| 493 | ; So we ensure the jump is always at this offset.
|
|---|
| 494 | ; We jump here, because Martin needed to
|
|---|
| 495 | ; insert a CLI on start and did not
|
|---|
| 496 | ; want to change the AiR-BOOT signature
|
|---|
| 497 | ; because of Microsoft inventions...
|
|---|
| 498 | ;
|
|---|
| 499 | ORIGIN 00044h
|
|---|
| 500 |
|
|---|
| 501 | ; Jump again...
|
|---|
| 502 | ; This time to the setup-code.
|
|---|
| 503 | jmp MBR_Start
|
|---|
| 504 |
|
|---|
| 505 | ;
|
|---|
| 506 | ; Entry-point when loading fails.
|
|---|
| 507 | ;
|
|---|
| 508 | db 'LOAD ERROR!', 0
|
|---|
| 509 | MBR_LoadError Proc Near
|
|---|
| 510 | mov si, offset $-12
|
|---|
| 511 | push cs
|
|---|
| 512 | pop ds
|
|---|
| 513 | call MBR_Teletype
|
|---|
| 514 | MBRLE_Halt:
|
|---|
| 515 | jmp MBRLE_Halt
|
|---|
| 516 | MBR_LoadError EndP
|
|---|
| 517 |
|
|---|
| 518 | ;
|
|---|
| 519 | ; Entry-point when saving fails.
|
|---|
| 520 | ;
|
|---|
| 521 | db 'SAVE ERROR!', 0
|
|---|
| 522 | MBR_SaveError Proc Near
|
|---|
| 523 | mov si, offset $-12
|
|---|
| 524 | push cs
|
|---|
| 525 | pop ds
|
|---|
| 526 | call MBR_Teletype
|
|---|
| 527 | MBRSE_Halt:
|
|---|
| 528 | jmp MBRSE_Halt
|
|---|
| 529 | MBR_SaveError EndP
|
|---|
| 530 |
|
|---|
| 531 |
|
|---|
| 532 | ; Put text on the screen using the BIOS tele-type function.
|
|---|
| 533 | ; No attributes like color are supported.
|
|---|
| 534 | ; In: SI - Pointer to begin of string (EOS is 0)
|
|---|
| 535 | ; Destroyed: SI
|
|---|
| 536 | MBR_Teletype Proc Near Uses ax bx cx
|
|---|
| 537 | mov ah, 0Eh
|
|---|
| 538 | mov bx, 7
|
|---|
| 539 | MBRT_Loop:
|
|---|
| 540 | lodsb
|
|---|
| 541 | or al, al
|
|---|
| 542 | jz MBRT_End
|
|---|
| 543 | int 10h
|
|---|
| 544 | jmp MBRT_Loop
|
|---|
| 545 | MBRT_End:
|
|---|
| 546 | ret
|
|---|
| 547 | MBR_Teletype EndP
|
|---|
| 548 |
|
|---|
| 549 | ;
|
|---|
| 550 | ; Rousseau: DO NOT ADD CODE TO THIS SECTION !
|
|---|
| 551 | ;
|
|---|
| 552 |
|
|---|
| 553 | ; In: BX - Base Check, DS:SI - Pointer to 512-byte-area to be included
|
|---|
| 554 | ; Out: BX - Base Check Result
|
|---|
| 555 | ; Destroyed: SI will get updated (+512)
|
|---|
| 556 | MBR_GetCheckOfSector Proc Near Uses ax cx
|
|---|
| 557 | mov cx, 256
|
|---|
| 558 | MBRGCOS_Loop:
|
|---|
| 559 | lodsw
|
|---|
| 560 | xor ax, 0BABEh
|
|---|
| 561 | xor bx, ax
|
|---|
| 562 | loop MBRGCOS_Loop
|
|---|
| 563 | or bx, bx
|
|---|
| 564 | jnz MBRGCOS_NoFixUp
|
|---|
| 565 | mov bx, 1 ; dont allow 0, cause 0 == empty
|
|---|
| 566 | MBRGCOS_NoFixUp:
|
|---|
| 567 | ret
|
|---|
| 568 | MBR_GetCheckOfSector EndP
|
|---|
| 569 |
|
|---|
| 570 |
|
|---|
| 571 |
|
|---|
| 572 |
|
|---|
| 573 |
|
|---|
| 574 |
|
|---|
| 575 | ;
|
|---|
| 576 | ; This is where the rest of AiR-BOOT gets loaded.
|
|---|
| 577 | ;
|
|---|
| 578 |
|
|---|
| 579 | ;------------------------------------------------------------------------------
|
|---|
| 580 | MBR_RealStart:
|
|---|
| 581 | mov ax, StackSeg ; 07000h, below the moved code
|
|---|
| 582 | mov ss, ax
|
|---|
| 583 | ;mov sp, 7FFFh ; Odd stack-pointer ??
|
|---|
| 584 | mov sp, 7FFEh ; Even is better
|
|---|
| 585 | mov ax, es ; ES holds segment where we moved to
|
|---|
| 586 | mov ds, ax ; Set DS==ES to Code Segment
|
|---|
| 587 |
|
|---|
| 588 |
|
|---|
| 589 | ; If we are in debug-mode, all code is moved already,
|
|---|
| 590 | ; so we can directly jump to it.
|
|---|
| 591 | ; One difference is that in debug-mode, the whole .com image is
|
|---|
| 592 | ; loaded by dos while when air-boot is active from the MBR it
|
|---|
| 593 | ; does the loading itself.
|
|---|
| 594 | IFNDEF ReleaseCode
|
|---|
| 595 | jmp AiR_BOOT_Start
|
|---|
| 596 | ENDIF
|
|---|
| 597 |
|
|---|
| 598 |
|
|---|
| 599 | ; Load missing parts from harddrive...
|
|---|
| 600 | ;mov ax, cs ; actually obsolete
|
|---|
| 601 | ;mov es, ax ; actually obsolete
|
|---|
| 602 |
|
|---|
| 603 | ; Load the configuration-sectors from disk.
|
|---|
| 604 | mov bx, offset Configuration
|
|---|
| 605 | mov dx, 0080h ; First harddrive, Sector 55
|
|---|
| 606 | mov cx, 0037h ; Is 55d is config-sector
|
|---|
| 607 |
|
|---|
| 608 | ; Call the i/o-part
|
|---|
| 609 | call MBR_LoadConfig
|
|---|
| 610 |
|
|---|
| 611 | jnc MBR_ConfigCopy_NoError
|
|---|
| 612 |
|
|---|
| 613 | ; Some error occured
|
|---|
| 614 | MBR_ConfigCopy_LoadError:
|
|---|
| 615 | call MBR_LoadError ; Will Abort BootUp
|
|---|
| 616 |
|
|---|
| 617 | ; Load the code sectors
|
|---|
| 618 | MBR_ConfigCopy_NoError:
|
|---|
| 619 | mov bx, offset FurtherMoreLoad
|
|---|
| 620 | mov dx, 0080h ; First harddrive
|
|---|
| 621 | mov cx, 0002h ; Second sector
|
|---|
| 622 | mov ah, 02h
|
|---|
| 623 |
|
|---|
| 624 | ; This location is in the code-segment.
|
|---|
| 625 | ; When segment overrides are applied, the address is
|
|---|
| 626 | ; expanded to the bit-with.
|
|---|
| 627 | ; So the .286 or .386 directive influences the length
|
|---|
| 628 | ; of the instruction, even with a USE16 segment.
|
|---|
| 629 | mov al, ds:[10h] ; Number of code sectors
|
|---|
| 630 | int 13h
|
|---|
| 631 | jnc MBR_RealStart_NoError
|
|---|
| 632 | jmp MBR_ConfigCopy_LoadError
|
|---|
| 633 |
|
|---|
| 634 |
|
|---|
| 635 | ; [v1.05+]
|
|---|
| 636 | ; Signature for IBM's LVM to detect our "powerful" features ;)
|
|---|
| 637 | ;
|
|---|
| 638 | ; [v1.0.8+]
|
|---|
| 639 | ; Reworked MBR code to be able to create a
|
|---|
| 640 | ; double 'I13X' signature.
|
|---|
| 641 | ; MBR's created with LVM eCS v1.x have the signature at 0d5h
|
|---|
| 642 | ; MBR's created with LVM eCS v2.x have the signature at 0d0h
|
|---|
| 643 | ; See eCS bugtracker issue #3002
|
|---|
| 644 | ;
|
|---|
| 645 | ; Update: These are actually MOV EAX,'X31I' instructions
|
|---|
| 646 | ; in the eCS LVM MBR-code. They are at different places in
|
|---|
| 647 | ; the v1.x and v2.x LVM code.
|
|---|
| 648 | ; Let's protect their location.
|
|---|
| 649 | ORIGIN 000d0h
|
|---|
| 650 | db 'I13X',0,'I13X',0
|
|---|
| 651 |
|
|---|
| 652 |
|
|---|
| 653 | MBR_RealStart_NoError:
|
|---|
| 654 | ; Now Check Code with CheckSum
|
|---|
| 655 | mov si, offset FurtherMoreLoad
|
|---|
| 656 |
|
|---|
| 657 | ;movzx cx, bptr ds:[10h]
|
|---|
| 658 | mov cl, ds:[10h]
|
|---|
| 659 | mov ch,0
|
|---|
| 660 |
|
|---|
| 661 | xor bx, bx
|
|---|
| 662 | MBR_RealStart_CheckCodeLoop:
|
|---|
| 663 | call MBR_GetCheckOfSector
|
|---|
| 664 | loop MBR_RealStart_CheckCodeLoop
|
|---|
| 665 |
|
|---|
| 666 |
|
|---|
| 667 | cmp MBR_CheckCode, bx
|
|---|
| 668 | je MBR_RealStart_CheckSuccess
|
|---|
| 669 |
|
|---|
| 670 | mov si, offset TXT_ERROR_Attention
|
|---|
| 671 | call MBR_Teletype
|
|---|
| 672 | mov si, offset TXT_ERROR_CheckCode
|
|---|
| 673 | call MBR_Teletype
|
|---|
| 674 | mov si, offset TXT_ERROR_CheckFailed
|
|---|
| 675 | call MBR_Teletype
|
|---|
| 676 | jmp MBR_HaltSystem
|
|---|
| 677 | MBR_RealStart_CheckSuccess:
|
|---|
| 678 | jmp AiR_BOOT_Start
|
|---|
| 679 |
|
|---|
| 680 |
|
|---|
| 681 |
|
|---|
| 682 |
|
|---|
| 683 |
|
|---|
| 684 | ;------------------------------------------------------------------------------
|
|---|
| 685 | Include TEXT/TXTMBR.ASM ; All translateable Text in MBR
|
|---|
| 686 | ;------------------------------------------------------------------------------
|
|---|
| 687 |
|
|---|
| 688 |
|
|---|
| 689 |
|
|---|
| 690 | ; This is an ugly kludge function to create space for the
|
|---|
| 691 | ; double 'I13X' signature.
|
|---|
| 692 | ; It loads the configuration sectors, but bx,cx and dx are not initialized
|
|---|
| 693 | ; in this function. That's done around line 500.
|
|---|
| 694 | ; Putting this few bytes here creates just enough room.
|
|---|
| 695 | MBR_LoadConfig Proc Near
|
|---|
| 696 | ; Changed from conditional assembler to calculated value
|
|---|
| 697 | ; Fixes issue: #2987 -- "air-boot doesn't remember drive letter"
|
|---|
| 698 | ; Size of the ab-configuration in 512 byte sectors
|
|---|
| 699 | mov al, (MBR_BackUpMBR - Configuration) / 200h
|
|---|
| 700 | mov ah,02h
|
|---|
| 701 | int 13h
|
|---|
| 702 | ret
|
|---|
| 703 | MBR_LoadConfig EndP
|
|---|
| 704 |
|
|---|
| 705 |
|
|---|
| 706 | ; Disk Signature
|
|---|
| 707 | ; Note that in an LVM 2.x MBR this collides
|
|---|
| 708 | ; with the dummy PTE that it uses to look for IBM-BM
|
|---|
| 709 | ; on the second harddisk.
|
|---|
| 710 | ORIGIN 001B8h
|
|---|
| 711 |
|
|---|
| 712 | ; AiR-BOOT will merge the field from the MBR it replaces.
|
|---|
| 713 | db 'DSIG'
|
|---|
| 714 |
|
|---|
| 715 | ; Unused word at 01BCh.
|
|---|
| 716 | ; An LVM 2.x MBR puts 0CC33h here.
|
|---|
| 717 | ; AiR-BOOT will merge the field from the MBR it replaces.
|
|---|
| 718 | dw '$$'
|
|---|
| 719 |
|
|---|
| 720 |
|
|---|
| 721 | ;
|
|---|
| 722 | ; Partition Table.
|
|---|
| 723 | ;
|
|---|
| 724 | ORIGIN 001BEh
|
|---|
| 725 |
|
|---|
| 726 | ; The 4 entries just for show.
|
|---|
| 727 | ; AiR-BOOT will merge them from the MBR it replaces.
|
|---|
| 728 | db 16 dup('0')
|
|---|
| 729 | db 16 dup('1')
|
|---|
| 730 | db 16 dup('2')
|
|---|
| 731 | db 16 dup('3')
|
|---|
| 732 |
|
|---|
| 733 | ; Boot Sigbature
|
|---|
| 734 | dw 0aa55h
|
|---|
| 735 |
|
|---|
| 736 | ; End of sector 1
|
|---|
| 737 |
|
|---|
| 738 |
|
|---|
| 739 |
|
|---|
| 740 |
|
|---|
| 741 |
|
|---|
| 742 | ;==============================================================================
|
|---|
| 743 | ; Sector 2
|
|---|
| 744 |
|
|---|
| 745 | ;
|
|---|
| 746 | ; Here starts the second sector, sector 2
|
|---|
| 747 | ;
|
|---|
| 748 | ORIGIN 00200h
|
|---|
| 749 |
|
|---|
| 750 | ;
|
|---|
| 751 | ; Everything beyond this point is loaded on startup
|
|---|
| 752 | ; and is NOT existant at first
|
|---|
| 753 | ;
|
|---|
| 754 | FurtherMoreLoad:
|
|---|
| 755 |
|
|---|
| 756 | ;
|
|---|
| 757 | ; Filesystem table correlating id with name.
|
|---|
| 758 | ;
|
|---|
| 759 |
|
|---|
| 760 | ; first Normal-Partition-ID, Hidden-Partition-ID
|
|---|
| 761 | ; and Default-Partition-Flags.
|
|---|
| 762 | ; 01h -> Boot-Able
|
|---|
| 763 | ; 10h -> FAT32 - Name Getting Scheme
|
|---|
| 764 | ; 20h -> No Name To Get (use Partition Name from IPT)
|
|---|
| 765 | ; 40h -> 'L' flag possible
|
|---|
| 766 | db 'AiRSYS-TABLE'
|
|---|
| 767 | FileSysIDs db 01h, 11h,01h, 04h,014h,01h, 06h,016h,41h, 0Eh,00Eh,01h
|
|---|
| 768 | db 07h, 17h,41h, 08h,017h,21h, 35h,035h,20h,0FCh,017h,41h
|
|---|
| 769 | db 09h, 19h,11h, 0Bh,01Bh,11h, 0Ch,01Ch,11h,0EBh,0EBh,01h
|
|---|
| 770 | db 63h, 63h,21h, 81h,081h,21h, 83h,083h,21h, 40h,040h,21h
|
|---|
| 771 | db 0A5h,0A5h,21h,0A6h,0A6h,21h, 82h,082h,20h,0A7h,0A7h,21h
|
|---|
| 772 | db 63h, 63h,21h, 4Dh,04Dh,21h, 4Eh,04Eh,21h, 4Fh,04Fh,21h
|
|---|
| 773 | db 01h, 01h,01h, 01h,001h,01h, 01h,001h,01h, 01h,001h,01h
|
|---|
| 774 | db 01h, 01h,01h, 01h,001h,01h, 01h,001h,01h, 01h,001h,01h
|
|---|
| 775 | db 01h, 01h,01h, 01h,001h,01h, 01h,001h,01h, 01h,001h,01h
|
|---|
| 776 | db 01h, 01h,01h,0FDh,0FDh,20h, 84h,084h,20h,0A0h,0A0h,20h
|
|---|
| 777 | db 0Ah, 0Ah,20h,0FEh,0FEh,21h,0FFh,0FFh,21h, 00h,000h,21h
|
|---|
| 778 | db 16 dup (0)
|
|---|
| 779 |
|
|---|
| 780 | FileSysNames db 'FAT12 ', 'FAT16 ', 'FAT16Big', 'FAT16Big'
|
|---|
| 781 | db 'HPFS ', 'NTFS ', 'LVM-Data', 'JFS '
|
|---|
| 782 | db 'FAT32 ', 'FAT32 ', 'FAT32 ', 'BeOS '
|
|---|
| 783 | db 'Unix ', 'Minix ', 'Linux ', 'Venix ' ; x row ;)
|
|---|
| 784 | db 'BSD/386 ', 'OpenBSD ', 'LinuxSwp', 'NeXTSTEP'
|
|---|
| 785 | db 'GNU HURD', 'QNX ', 'QNX ', 'QNX '
|
|---|
| 786 | db ' ', ' ', ' ', ' '
|
|---|
| 787 | db ' ', ' ', ' ', ' '
|
|---|
| 788 | db ' ', ' ', ' ', ' '
|
|---|
| 789 | db ' ', 'Kernel ', ' ', '0V-Award'
|
|---|
| 790 | ; db 'OS/2 Man', 'via BIOS', 'Floppy ', 'Unknown '
|
|---|
| 791 | db 'OS2-BMGR', 'via BIOS', 'Floppy ', 'Unknown '
|
|---|
| 792 | ; -> 44 Partition-Types
|
|---|
| 793 |
|
|---|
| 794 |
|
|---|
| 795 |
|
|---|
| 796 |
|
|---|
| 797 | ;==============================================================================
|
|---|
| 798 | ; Sector 3
|
|---|
| 799 | ;
|
|---|
| 800 | ; Sector 3
|
|---|
| 801 | ;
|
|---|
| 802 | ORIGIN 00400h
|
|---|
| 803 |
|
|---|
| 804 |
|
|---|
| 805 | ; ##############################################
|
|---|
| 806 | ; ## ENTRY-POINT AFTER ALL THE INITIAL HASSLE ##
|
|---|
| 807 | ; ##############################################
|
|---|
| 808 |
|
|---|
| 809 |
|
|---|
| 810 |
|
|---|
| 811 |
|
|---|
| 812 | AiR_BOOT_Start:
|
|---|
| 813 |
|
|---|
| 814 |
|
|---|
| 815 |
|
|---|
| 816 | ;
|
|---|
| 817 | ; Since v1.0.8, AiR-BOOT is able to chainload IBM-BM.
|
|---|
| 818 | ; When IBM-BM resides above the 1024-cylinder limit, the 'I13X'
|
|---|
| 819 | ; signature is required at 3000:0000, FS needs to contain 3000h
|
|---|
| 820 | ; and the 32-bit LBA address needs to follow the 'I13X' signature.
|
|---|
| 821 | ; For booting IBM-BM from the second disk, a copy of the MBR of the
|
|---|
| 822 | ; first disk is also required at 0000:7E00.
|
|---|
| 823 | ; This information is derived from the eCS 2.x LVM MBR.
|
|---|
| 824 | ;
|
|---|
| 825 | ; So, now is a good time to copy the MBR of the first disk to
|
|---|
| 826 | ; 0000:7E00 in case the partition that will be started is IBM-BM.
|
|---|
| 827 | ; This copy is located at 8000:0000 and DS already points to this
|
|---|
| 828 | ; segment.
|
|---|
| 829 | ;
|
|---|
| 830 | pusha ; Save all the general purpose regs
|
|---|
| 831 | push es ; We need ES too, so save its value
|
|---|
| 832 | xor ax,ax ; Segment 0000h
|
|---|
| 833 | mov es,ax ; Make ES point to it
|
|---|
| 834 | mov si,offset BootBasePtr ; Start of AiR-BOOT which has the MBR
|
|---|
| 835 | mov di,7e00h ; Destination for the MBR for IBM-BM
|
|---|
| 836 | mov cx,100h ; 256 words = 512 bytes
|
|---|
| 837 | cld ; Direction from low to high
|
|---|
| 838 | rep movsw ; Copy the 256 words of the MBR
|
|---|
| 839 | pop es ; Restore previous value of ES
|
|---|
| 840 | popa ; Restore all the general purpose regs
|
|---|
| 841 |
|
|---|
| 842 |
|
|---|
| 843 | ;~ nop
|
|---|
| 844 | ;~ mov ax, offset sobss
|
|---|
| 845 | ;~ mov ax,offset BeginOfVariables
|
|---|
| 846 | ;~ mov ax,offset [TrueSecs]
|
|---|
| 847 | ;~ lea ax, [TrueSecs] ; Tasm generates mov here
|
|---|
| 848 | ;~ mov ax,word ptr [TrueSecs]
|
|---|
| 849 | ;~ mov ax,offset EndOfVariables
|
|---|
| 850 | ;~ mov ax, offset eobss
|
|---|
| 851 | ;~ nop
|
|---|
| 852 |
|
|---|
| 853 |
|
|---|
| 854 |
|
|---|
| 855 | ;jmp skip
|
|---|
| 856 |
|
|---|
| 857 | ; Rousseau:
|
|---|
| 858 | ; I should cleanup my garbage here...
|
|---|
| 859 |
|
|---|
| 860 | ; Initialize Variable-Tables, Detections, etc.
|
|---|
| 861 | call PRECRAP_Main
|
|---|
| 862 |
|
|---|
| 863 | ; Number of harddisks is now known
|
|---|
| 864 |
|
|---|
| 865 | call PARTSCAN_ScanForPartitions
|
|---|
| 866 |
|
|---|
| 867 |
|
|---|
| 868 | ; Number of disks found
|
|---|
| 869 | mov si, offset DisksFound
|
|---|
| 870 | call MBR_Teletype
|
|---|
| 871 |
|
|---|
| 872 | mov al, [TotalHarddiscs]
|
|---|
| 873 | call VideoIO_SyncPos
|
|---|
| 874 | call VideoIO_PrintByteDynamicNumber
|
|---|
| 875 | xor si,si
|
|---|
| 876 | call MBR_TeletypeNL
|
|---|
| 877 |
|
|---|
| 878 | ; Number of bootable systems indicator
|
|---|
| 879 | mov si, offset PartitionsFound
|
|---|
| 880 | call MBR_Teletype
|
|---|
| 881 |
|
|---|
| 882 | mov al, [CFG_Partitions]
|
|---|
| 883 | call VideoIO_SyncPos
|
|---|
| 884 | call VideoIO_PrintByteDynamicNumber
|
|---|
| 885 |
|
|---|
| 886 | xor si,si
|
|---|
| 887 | call MBR_TeletypeNL
|
|---|
| 888 | call MBR_TeletypeNL
|
|---|
| 889 |
|
|---|
| 890 | call VideoIO_SyncPos
|
|---|
| 891 |
|
|---|
| 892 | mov dl,80h
|
|---|
| 893 | call VideoIO_DumpDiskInfo
|
|---|
| 894 |
|
|---|
| 895 | ;
|
|---|
| 896 | ; Enumberate Bootable Systems by name
|
|---|
| 897 | ; and prepare Phase 1 if active.
|
|---|
| 898 | ;
|
|---|
| 899 | ; This can also be implemented using the
|
|---|
| 900 | ; Installable LVM-flag I think.
|
|---|
| 901 | ; But at the time I had lesser knowledge about LVM...
|
|---|
| 902 | ; So this algorithm may change in the future.
|
|---|
| 903 | ;
|
|---|
| 904 | mov si, offset PartitionTable
|
|---|
| 905 | xor cx,cx
|
|---|
| 906 | mov cl,[CFG_Partitions]
|
|---|
| 907 | MBR_Parts:
|
|---|
| 908 | add si, 4
|
|---|
| 909 | push si
|
|---|
| 910 | push si
|
|---|
| 911 | ;call MBR_TeletypeVolName
|
|---|
| 912 | pop si
|
|---|
| 913 | call PART_IsInstallVolume
|
|---|
| 914 | jnc MBR_Parts_NI
|
|---|
| 915 |
|
|---|
| 916 | ; Install Volume
|
|---|
| 917 | mov al,' '
|
|---|
| 918 | mov bl,7
|
|---|
| 919 | mov ah, 0eh
|
|---|
| 920 | int 10h
|
|---|
| 921 |
|
|---|
| 922 | mov al,'('
|
|---|
| 923 | mov bl,7
|
|---|
| 924 | mov ah, 0eh
|
|---|
| 925 | int 10h
|
|---|
| 926 |
|
|---|
| 927 | mov al,[CFG_Partitions]
|
|---|
| 928 | sub al,cl
|
|---|
| 929 | ;inc al
|
|---|
| 930 | ;mov [Menu_EntryAutomatic],al
|
|---|
| 931 | mov [CFG_PartAutomatic],al ; Setup entry for install-volume
|
|---|
| 932 | mov [CFG_PartLast],al
|
|---|
| 933 | mov ah, [eCS_InstallVolume] ; 1st byte is 0 if no phase 1 active
|
|---|
| 934 | test ah,ah ; test the byte, ZF is 0 if phase 1 active
|
|---|
| 935 | lahf ; flags in ah
|
|---|
| 936 | xor ah, 40h ; complement ZF
|
|---|
| 937 | and ah, 40h ; mask ZF
|
|---|
| 938 | shr ah, 6 ; move ZF to LSB
|
|---|
| 939 | mov [CFG_AutomaticBoot], ah ; automatic boot if phase 1 is active
|
|---|
| 940 |
|
|---|
| 941 |
|
|---|
| 942 | add al,'1'
|
|---|
| 943 | mov bl,7
|
|---|
| 944 | mov ah, 0eh
|
|---|
| 945 | int 10h
|
|---|
| 946 |
|
|---|
| 947 | mov al,')'
|
|---|
| 948 | mov bl,7
|
|---|
| 949 | mov ah, 0eh
|
|---|
| 950 | int 10h
|
|---|
| 951 |
|
|---|
| 952 | mov bx,cx
|
|---|
| 953 |
|
|---|
| 954 | MBR_Parts_NI:
|
|---|
| 955 | xor si,si
|
|---|
| 956 | ;call MBR_TeletypeNL
|
|---|
| 957 | pop si
|
|---|
| 958 | add si, 30 ; Add remainder of IPT entry
|
|---|
| 959 | loop MBR_Parts
|
|---|
| 960 |
|
|---|
| 961 |
|
|---|
| 962 |
|
|---|
| 963 |
|
|---|
| 964 | ; Index of automatic start partition
|
|---|
| 965 | ;mov si, offset AutoStartPart
|
|---|
| 966 | ;call MBR_Teletype
|
|---|
| 967 |
|
|---|
| 968 | ;mov al, [CFG_PartAutomatic]
|
|---|
| 969 | ;add al, 31h
|
|---|
| 970 | ;mov ah, 09h
|
|---|
| 971 | ;mov bx, 15
|
|---|
| 972 | ;mov cx, 1
|
|---|
| 973 | ;int 10h
|
|---|
| 974 |
|
|---|
| 975 | ;mov al, [CFG_PartAutomatic]
|
|---|
| 976 | ;add al, 31h
|
|---|
| 977 | ;mov ah, 0eh
|
|---|
| 978 | ;mov bx, 15
|
|---|
| 979 | ;mov cx, 1
|
|---|
| 980 | ;int 10h
|
|---|
| 981 |
|
|---|
| 982 | xor si,si
|
|---|
| 983 | call MBR_TeletypeNL
|
|---|
| 984 | xor si,si
|
|---|
| 985 | call MBR_TeletypeNL
|
|---|
| 986 |
|
|---|
| 987 | ;mov ax,[BIOS_AuxParms]
|
|---|
| 988 | ;call VideoIO_SyncPos
|
|---|
| 989 | ;push ax
|
|---|
| 990 | ;add al,'0'
|
|---|
| 991 | ;mov bl,7
|
|---|
| 992 | ;mov ah, 0eh
|
|---|
| 993 | ;int 10h
|
|---|
| 994 | ;pop ax
|
|---|
| 995 | ;xchg al,ah
|
|---|
| 996 | ;sub al,0a2h
|
|---|
| 997 | ;mov bl,7
|
|---|
| 998 | ;mov ah, 0eh
|
|---|
| 999 | ;int 10h
|
|---|
| 1000 |
|
|---|
| 1001 |
|
|---|
| 1002 | call MBR_TeletypeSyncPos
|
|---|
| 1003 |
|
|---|
| 1004 | xor si,si
|
|---|
| 1005 | call MBR_TeletypeNL
|
|---|
| 1006 | call MBR_TeletypeNL
|
|---|
| 1007 |
|
|---|
| 1008 |
|
|---|
| 1009 |
|
|---|
| 1010 | mov si, offset ShowMenu
|
|---|
| 1011 | call MBR_TeletypeBold
|
|---|
| 1012 |
|
|---|
| 1013 |
|
|---|
| 1014 | skip:
|
|---|
| 1015 |
|
|---|
| 1016 |
|
|---|
| 1017 |
|
|---|
| 1018 | ;
|
|---|
| 1019 | ; ####################### WAIT FOR KEY ########################
|
|---|
| 1020 | ;
|
|---|
| 1021 |
|
|---|
| 1022 |
|
|---|
| 1023 | ; Rousseau:
|
|---|
| 1024 | ; Wait for key so we can see debug log if ab-menu hangs.
|
|---|
| 1025 | ;;xor ax, ax
|
|---|
| 1026 | ;;int 16h
|
|---|
| 1027 |
|
|---|
| 1028 | ;call SOUND_Beep
|
|---|
| 1029 |
|
|---|
| 1030 | ; Rousseau: delayed save of video-page
|
|---|
| 1031 |
|
|---|
| 1032 | mov ax, VideoIO_Page1
|
|---|
| 1033 | call VideoIO_BackUpTo ; Copy BIOS POST to Second Page
|
|---|
| 1034 |
|
|---|
| 1035 | ;call SOUND_Beep
|
|---|
| 1036 |
|
|---|
| 1037 |
|
|---|
| 1038 | ;
|
|---|
| 1039 | ; COM-PORT DEBUG
|
|---|
| 1040 | ;
|
|---|
| 1041 | ;call AuxIO_TeletypeNL
|
|---|
| 1042 | ;mov si, offset PartitionTable
|
|---|
| 1043 | ;call AuxIO_DumpSector
|
|---|
| 1044 | ;call AuxIO_TeletypeNL
|
|---|
| 1045 |
|
|---|
| 1046 |
|
|---|
| 1047 | ; Save configuration so phase1 boot-through is disabled
|
|---|
| 1048 | ; on next boot.
|
|---|
| 1049 | ; Moved here to fix that Esc out of SETUP would also save.
|
|---|
| 1050 | ; So moved above the MBR_Main_ReEnterSetup label.
|
|---|
| 1051 | mov byte ptr [eCS_InstallVolume], 0 ; disable phase 1 for next boot
|
|---|
| 1052 | call DriveIO_SaveConfiguration
|
|---|
| 1053 |
|
|---|
| 1054 |
|
|---|
| 1055 |
|
|---|
| 1056 | ;
|
|---|
| 1057 | ; RE-ENTER SETUP
|
|---|
| 1058 | ;
|
|---|
| 1059 | MBR_Main_ReEnterSetup:
|
|---|
| 1060 | call SETUP_CheckEnterSETUP
|
|---|
| 1061 |
|
|---|
| 1062 | ;call SOUND_Beep
|
|---|
| 1063 |
|
|---|
| 1064 | ; Rousseau: Every time I see "AfterCrap" I have to laugh :-)
|
|---|
| 1065 | call AFTERCRAP_Main
|
|---|
| 1066 |
|
|---|
| 1067 | ; [Linux support removed since v1.02]
|
|---|
| 1068 | ; Now get FAT16-Linux Kernel Partition, If requested
|
|---|
| 1069 | ;cmp [CFG_LinuxKrnlPartition], 0FFh
|
|---|
| 1070 | ;je MBR_Main_NoLinuxKrnlPartition
|
|---|
| 1071 | ;call LINUX_InitFAT16access
|
|---|
| 1072 | ;MBR_Main_NoLinuxKrnlPartition:
|
|---|
| 1073 |
|
|---|
| 1074 |
|
|---|
| 1075 |
|
|---|
| 1076 | MBR_Main_ReEnterBootMenuPre:
|
|---|
| 1077 |
|
|---|
| 1078 | ; SetUp PartitionPointers for BootMenu (filter non-bootable)
|
|---|
| 1079 | call PART_CalculateMenuPartPointers
|
|---|
| 1080 |
|
|---|
| 1081 | ; ...and count that one...
|
|---|
| 1082 | cmp byte ptr [PartitionPointerCount], 0
|
|---|
| 1083 | jne MBR_Main_SomethingBootAble
|
|---|
| 1084 | mov si, offset TXT_NoBootAble
|
|---|
| 1085 | call MBR_Teletype
|
|---|
| 1086 | jmp MBR_HaltSystem
|
|---|
| 1087 |
|
|---|
| 1088 | MBR_Main_SomethingBootAble:
|
|---|
| 1089 | ; FixUp Values, define Timed Setup booting, etc.
|
|---|
| 1090 | call PART_FixUpDefaultPartitionValues
|
|---|
| 1091 |
|
|---|
| 1092 |
|
|---|
| 1093 |
|
|---|
| 1094 | ; -------------------------------------------------- BOOT-MENU
|
|---|
| 1095 | MBR_Main_ReEnterBootMenu:
|
|---|
| 1096 | call BOOTMENU_ResetMenuVars ; reset has to be done
|
|---|
| 1097 | test byte ptr [CFG_AutomaticBoot], 1
|
|---|
| 1098 | jz MBR_Main_NoAutomaticBooting
|
|---|
| 1099 | ; ------------------------------------------ AUTOMATIC BOOTING
|
|---|
| 1100 | ; Select automatic partition, disable automatic booting for
|
|---|
| 1101 | ; next time and boot system...
|
|---|
| 1102 | mov byte ptr [CFG_AutomaticBoot], 0
|
|---|
| 1103 | call PASSWORD_AskSystemPwd
|
|---|
| 1104 | mov al, Menu_EntryAutomatic
|
|---|
| 1105 |
|
|---|
| 1106 | ;mov al, 2
|
|---|
| 1107 |
|
|---|
| 1108 | mov Menu_EntrySelected, al ; zero based
|
|---|
| 1109 | jmp MBR_Main_NoBootMenu
|
|---|
| 1110 |
|
|---|
| 1111 | MBR_Main_NoAutomaticBooting:
|
|---|
| 1112 |
|
|---|
| 1113 | ;call SOUND_Beep
|
|---|
| 1114 |
|
|---|
| 1115 | test byte ptr [CFG_BootMenuActive], 0FFh
|
|---|
| 1116 | jnz MBR_Main_GotBootMenu
|
|---|
| 1117 | ; ----------------------------------------------- NO BOOT-MENU
|
|---|
| 1118 | ; Select default partition and boot system...
|
|---|
| 1119 | call PASSWORD_AskSystemPwd
|
|---|
| 1120 |
|
|---|
| 1121 | ;call VideoIO_DBG_WriteString2
|
|---|
| 1122 |
|
|---|
| 1123 | mov al, Menu_EntryDefault
|
|---|
| 1124 | ;mov al,0 ; zero based
|
|---|
| 1125 | mov Menu_EntrySelected, al
|
|---|
| 1126 | jmp MBR_Main_NoBootMenu
|
|---|
| 1127 |
|
|---|
| 1128 | MBR_Main_GotBootMenu:
|
|---|
| 1129 | ; ------------------------------------------ BOOT-MENU VISUALS
|
|---|
| 1130 | call FX_StartScreen
|
|---|
| 1131 |
|
|---|
| 1132 | ;call SOUND_Beep
|
|---|
| 1133 |
|
|---|
| 1134 | call BOOTMENU_BuildBackground
|
|---|
| 1135 | call BOOTMENU_BuildMain
|
|---|
| 1136 | call FX_EndScreenRight
|
|---|
| 1137 | call PASSWORD_AskSystemPwd
|
|---|
| 1138 | call BOOTMENU_ResetTimedBoot
|
|---|
| 1139 |
|
|---|
| 1140 | ;call SOUND_Beep
|
|---|
| 1141 |
|
|---|
| 1142 | call BOOTMENU_Execute
|
|---|
| 1143 |
|
|---|
| 1144 | ;call SOUND_Beep
|
|---|
| 1145 |
|
|---|
| 1146 | jc MBR_Main_ReEnterSetup
|
|---|
| 1147 | call BOOTMENU_SetVarsAfterMenu
|
|---|
| 1148 |
|
|---|
| 1149 | ;call SOUND_Beep
|
|---|
| 1150 |
|
|---|
| 1151 | ; ---------------------------------------------------- BOOTING
|
|---|
| 1152 | MBR_Main_NoBootMenu:
|
|---|
| 1153 | call FX_StartScreen
|
|---|
| 1154 | call BOOTMENU_BuildGoodBye
|
|---|
| 1155 | call FX_EndScreenRight
|
|---|
| 1156 | call PASSWORD_AskChangeBootPwd
|
|---|
| 1157 |
|
|---|
| 1158 | IFNDEF ReleaseCode
|
|---|
| 1159 | ; Debug Code to terminate DOS .COM program - used for
|
|---|
| 1160 | ; testing AiR-BOOT
|
|---|
| 1161 | int 3
|
|---|
| 1162 | mov ax, 6200h
|
|---|
| 1163 | int 21h
|
|---|
| 1164 | mov es, bx
|
|---|
| 1165 | mov ax, 4C00h ; Quit program
|
|---|
| 1166 | int 21h
|
|---|
| 1167 | ENDIF
|
|---|
| 1168 | call ANTIVIR_SaveBackUpMBR
|
|---|
| 1169 | mov dl, Menu_EntrySelected
|
|---|
| 1170 |
|
|---|
| 1171 | ; -------------------------------------------- START PARTITION
|
|---|
| 1172 | call PART_StartPartition
|
|---|
| 1173 |
|
|---|
| 1174 |
|
|---|
| 1175 |
|
|---|
| 1176 | ;
|
|---|
| 1177 | ; Include other code-modules here.
|
|---|
| 1178 | ; Because TASM is a multiple pass assembler, forward references
|
|---|
| 1179 | ; are possible.
|
|---|
| 1180 | ;
|
|---|
| 1181 | b_std_txt:
|
|---|
| 1182 | Include REGULAR/STD_TEXT.ASM ; Standard (non-translateable text)
|
|---|
| 1183 | size_std_txt = $-b_std_txt
|
|---|
| 1184 |
|
|---|
| 1185 | b_driveio:
|
|---|
| 1186 | Include REGULAR/DRIVEIO.ASM ; Drive I/O, Config Load/Save
|
|---|
| 1187 | size_driveio = $-b_driveio
|
|---|
| 1188 |
|
|---|
| 1189 | b_lvm:
|
|---|
| 1190 | Include SPECIAL/LVM.ASM ; LVM-specific code
|
|---|
| 1191 | size_lvm = $-b_lvm
|
|---|
| 1192 |
|
|---|
| 1193 | b_videoio:
|
|---|
| 1194 | Include REGULAR/VIDEOIO.ASM ; Video I/O
|
|---|
| 1195 | size_videoio = $-b_videoio
|
|---|
| 1196 |
|
|---|
| 1197 | b_timer:
|
|---|
| 1198 | Include REGULAR/TIMER.ASM ; Timer
|
|---|
| 1199 | size_timer = $-b_timer
|
|---|
| 1200 |
|
|---|
| 1201 | b_partmain:
|
|---|
| 1202 | Include REGULAR/PARTMAIN.ASM ; Regular Partition Routines
|
|---|
| 1203 | size_partmain = $-b_partmain
|
|---|
| 1204 |
|
|---|
| 1205 | b_partscan:
|
|---|
| 1206 | Include REGULAR/PARTSCAN.ASM ; Partition Scanning
|
|---|
| 1207 | size_partscan = $-b_partscan
|
|---|
| 1208 |
|
|---|
| 1209 | b_bootmenu:
|
|---|
| 1210 | Include REGULAR/BOOTMENU.ASM ; Boot-Menu
|
|---|
| 1211 | size_bootmenu = $-b_bootmenu
|
|---|
| 1212 |
|
|---|
| 1213 | b_password:
|
|---|
| 1214 | Include REGULAR/PASSWORD.ASM ; Password related
|
|---|
| 1215 | size_password = $-b_password
|
|---|
| 1216 |
|
|---|
| 1217 | b_other:
|
|---|
| 1218 | Include REGULAR/OTHER.ASM ; Other Routines
|
|---|
| 1219 | size_other = $-b_other
|
|---|
| 1220 |
|
|---|
| 1221 | b_main:
|
|---|
| 1222 | Include SETUP/MAIN.ASM ; The whole AiR-BOOT SETUP
|
|---|
| 1223 | size_main = $-b_main
|
|---|
| 1224 |
|
|---|
| 1225 |
|
|---|
| 1226 |
|
|---|
| 1227 | IFDEF TXT_IncludeCyrillic
|
|---|
| 1228 | b_ccharset:
|
|---|
| 1229 | Include SPECIAL/CHARSET.ASM ; Charset Support (e.g. Cyrillic)
|
|---|
| 1230 | size_ccharset = $-b_ccharset
|
|---|
| 1231 | ENDIF
|
|---|
| 1232 |
|
|---|
| 1233 |
|
|---|
| 1234 | b_math:
|
|---|
| 1235 | Include REGULAR/MATH.ASM ; Math functions (like 32-bit multiply)
|
|---|
| 1236 | size_math = $-b_math
|
|---|
| 1237 |
|
|---|
| 1238 |
|
|---|
| 1239 |
|
|---|
| 1240 |
|
|---|
| 1241 | ; Various debugging routines, uses AUXIO and CONV
|
|---|
| 1242 | IFDEF AUX_DEBUG
|
|---|
| 1243 | b_debug:
|
|---|
| 1244 | Include REGULAR/DEBUG.ASM ; Debug module
|
|---|
| 1245 | size_debug = $-b_debug
|
|---|
| 1246 | b_auxio:
|
|---|
| 1247 | Include REGULAR/AUXIO.ASM ; Com-port support for debugging
|
|---|
| 1248 | size_auxio = $-b_auxio
|
|---|
| 1249 | ENDIF
|
|---|
| 1250 |
|
|---|
| 1251 |
|
|---|
| 1252 |
|
|---|
| 1253 |
|
|---|
| 1254 | ;==============================================================================
|
|---|
| 1255 |
|
|---|
| 1256 | ;
|
|---|
| 1257 | ; Moved up.
|
|---|
| 1258 | ;
|
|---|
| 1259 |
|
|---|
| 1260 | ;
|
|---|
| 1261 | ; This is the AiR-BOOT MBR-Protection Image.
|
|---|
| 1262 | ; 04600 / 200h = 23h = 35d sectors are before this point.
|
|---|
| 1263 | ; The stuff generated here gets overwritten when the
|
|---|
| 1264 | ; MBR_PROT.ASM module, which is assembled separately,
|
|---|
| 1265 | ; gets merged.
|
|---|
| 1266 | ; So you won't find the string below in the generated binary.
|
|---|
| 1267 | ;
|
|---|
| 1268 | ; MOVED TO 6800h to create space and have a continuous
|
|---|
| 1269 | ; code block.
|
|---|
| 1270 | ; This makes the RU version buildable again with Tasm.
|
|---|
| 1271 | ;
|
|---|
| 1272 | ;org 04600h ; Sector 36-37
|
|---|
| 1273 |
|
|---|
| 1274 |
|
|---|
| 1275 | ; Rousseau: It needed a sector alignment, so moved it up to
|
|---|
| 1276 | ; have as much space as possible for the modules
|
|---|
| 1277 | ; included here.
|
|---|
| 1278 |
|
|---|
| 1279 |
|
|---|
| 1280 | ;==============================================================================
|
|---|
| 1281 | ; Sector 38-x
|
|---|
| 1282 | ;
|
|---|
| 1283 | ; This section contains translatable texts.
|
|---|
| 1284 | ;
|
|---|
| 1285 | ;org 04A00h
|
|---|
| 1286 |
|
|---|
| 1287 |
|
|---|
| 1288 | b_txtother:
|
|---|
| 1289 | Include TEXT/TXTOTHER.ASM ; All translateable Text-Strings
|
|---|
| 1290 | size_txtother = $-b_txtother
|
|---|
| 1291 |
|
|---|
| 1292 | b_txtmenus:
|
|---|
| 1293 | Include TEXT/TXTMENUS.ASM ; All translateable Menu-text
|
|---|
| 1294 | size_txtmenus = $-b_txtmenus
|
|---|
| 1295 |
|
|---|
| 1296 | b_charset:
|
|---|
| 1297 | Include TEXT/CHARSET.ASM ; Special Video Charsets (if needed)
|
|---|
| 1298 | size_charset = $-b_charset
|
|---|
| 1299 |
|
|---|
| 1300 | b_conv:
|
|---|
| 1301 | Include REGULAR/CONV.ASM ; Various conversion routines
|
|---|
| 1302 | size_conv = $-b_conv
|
|---|
| 1303 |
|
|---|
| 1304 | b_virus:
|
|---|
| 1305 | Include SPECIAL/VIRUS.ASM ; Virus Detection / Anti-Virus
|
|---|
| 1306 | size_virus = $-b_virus
|
|---|
| 1307 | ; [Linux support removed since v1.02]
|
|---|
| 1308 | ;Include SPECIAL/FAT16.ASM ; FAT-16 Support
|
|---|
| 1309 | ;Include SPECIAL/LINUX.ASM ; Linux Kernel Support
|
|---|
| 1310 | b_billsuxx:
|
|---|
| 1311 | Include SPECIAL/F00K/BILLSUXX.ASM ; Extended Partition - Microsoft-Hack
|
|---|
| 1312 | size_billsuxx = $-b_billsuxx
|
|---|
| 1313 |
|
|---|
| 1314 |
|
|---|
| 1315 |
|
|---|
| 1316 | ;
|
|---|
| 1317 | ; Critical end of code marker.
|
|---|
| 1318 | ; Should always be in the image, otherwise something
|
|---|
| 1319 | ; is very wrong.
|
|---|
| 1320 | ;
|
|---|
| 1321 | db 'DEAD'
|
|---|
| 1322 | db 'FACE'
|
|---|
| 1323 |
|
|---|
| 1324 | ;
|
|---|
| 1325 | ; Keep these modules here at the end of the code section.
|
|---|
| 1326 | ; When debugging, extra code space is used and code will move up towards
|
|---|
| 1327 | ; the protection image that is 'orged' and will thus overlay.
|
|---|
| 1328 | ; The effects are turned off in debug mode, so it does not matter much that
|
|---|
| 1329 | ; this code get's lost.
|
|---|
| 1330 | ;
|
|---|
| 1331 | b_sound:
|
|---|
| 1332 | Include SPECIAL/SOUND.ASM ; Sound
|
|---|
| 1333 | size_sound = $-b_sound
|
|---|
| 1334 |
|
|---|
| 1335 | b_apm:
|
|---|
| 1336 | Include SPECIAL/APM.ASM ; Power Managment Support
|
|---|
| 1337 | size_apm = $-b_apm
|
|---|
| 1338 |
|
|---|
| 1339 | b_fx:
|
|---|
| 1340 | Include SPECIAL/FX.ASM ; l33t Cooper-Bars/Scrolling <bg>
|
|---|
| 1341 | size_fx = $-b_fx
|
|---|
| 1342 |
|
|---|
| 1343 |
|
|---|
| 1344 | ; If we are debugging, we overwrite the FX code.
|
|---|
| 1345 | ; As long as FX is disabled this will do no harm.
|
|---|
| 1346 | IFDEF AUX_DEBUG
|
|---|
| 1347 | ORG 06780h
|
|---|
| 1348 | ENDIF
|
|---|
| 1349 |
|
|---|
| 1350 |
|
|---|
| 1351 | bld_level:
|
|---|
| 1352 | ;
|
|---|
| 1353 | ; Here we insert the OS/2 BLDLEVEL Information.
|
|---|
| 1354 | ; It is composed of the AiR-BOOT version-info and other
|
|---|
| 1355 | ; information.
|
|---|
| 1356 | ; It is unique for each release of AiR-BOOT.
|
|---|
| 1357 | ;
|
|---|
| 1358 | ; ?? When AUX_DEBUG is enabled and the above org is active,
|
|---|
| 1359 | ; the BLDLEVEL gets corrupted eventhough it gets inserted here
|
|---|
| 1360 | ; explicitly. The effect is almost like an 'OR' or a merge
|
|---|
| 1361 | ; with the already generated FX code.
|
|---|
| 1362 | ; Tasm and JWasm produce different results.
|
|---|
| 1363 | ; ??
|
|---|
| 1364 | ;
|
|---|
| 1365 | InsertBuildLevel
|
|---|
| 1366 |
|
|---|
| 1367 | ;bliep <>
|
|---|
| 1368 |
|
|---|
| 1369 | ;
|
|---|
| 1370 | ; End of code marker.
|
|---|
| 1371 | ; If this one vanishes in the image, the FX code will not
|
|---|
| 1372 | ; be operational.
|
|---|
| 1373 | ; Will happen with debugging enabled.
|
|---|
| 1374 | ;
|
|---|
| 1375 | db 'BABE'
|
|---|
| 1376 | db 'FACE'
|
|---|
| 1377 |
|
|---|
| 1378 | code_end:
|
|---|
| 1379 |
|
|---|
| 1380 |
|
|---|
| 1381 | ;
|
|---|
| 1382 | ; AiR-BOOT Protection Image.
|
|---|
| 1383 | ; Moved from below to have it not break the included modules
|
|---|
| 1384 | ; with it's sector alignment requirement.
|
|---|
| 1385 | ;
|
|---|
| 1386 | ORIGIN 06800h
|
|---|
| 1387 |
|
|---|
| 1388 | zzz_code_space = $ - code_end
|
|---|
| 1389 | ;
|
|---|
| 1390 | ; This is the AiR-BOOT MBR-Protection Image.
|
|---|
| 1391 | ; 06800 / 200h = 34h = 52d sectors are before this point.
|
|---|
| 1392 | ; The stuff generated here gets overwritten when the
|
|---|
| 1393 | ; MBR_PROT.ASM module, which is assembled separately,
|
|---|
| 1394 | ; gets merged.
|
|---|
| 1395 | ; So you won't find the string below in the generated binary.
|
|---|
| 1396 | ;
|
|---|
| 1397 |
|
|---|
| 1398 | ; 06800-068FF
|
|---|
| 1399 | ; 06900-069FF
|
|---|
| 1400 | ; 06A00-06AFF
|
|---|
| 1401 | ; 06B00-06BFF
|
|---|
| 1402 |
|
|---|
| 1403 | ;
|
|---|
| 1404 | ; Hardcoded to 1k (1024 bytes) (MBR_PROT.ASM)
|
|---|
| 1405 | ; The string below is searched for by the FIXCODE helper and *must* be
|
|---|
| 1406 | ; sector (512-bytes) aligned.
|
|---|
| 1407 | ;
|
|---|
| 1408 | MBR_Protection db 'AiR-BOOT MBR-Protection Image'
|
|---|
| 1409 |
|
|---|
| 1410 | ; Just fill.
|
|---|
| 1411 | db 1024-($-MBR_Protection) dup('M')
|
|---|
| 1412 |
|
|---|
| 1413 |
|
|---|
| 1414 | ;==============================================================================
|
|---|
| 1415 | ; Sector 55
|
|---|
| 1416 |
|
|---|
| 1417 | ;
|
|---|
| 1418 | ; This section contains the AiR-BOOT configuration.
|
|---|
| 1419 | ; Note that it has a version that should be updated
|
|---|
| 1420 | ; when stuff is added.
|
|---|
| 1421 | ; Also add stuff to the end so that offsets of other
|
|---|
| 1422 | ; variables remain vaild.
|
|---|
| 1423 | ;
|
|---|
| 1424 | ORIGIN 06C00h
|
|---|
| 1425 |
|
|---|
| 1426 | Configuration:
|
|---|
| 1427 | ; THERE IS A NON-ASCII CHAR HERE !!
|
|---|
| 1428 | ; Your editor may not display this non-ASCII
|
|---|
| 1429 | ; character at the end if the 'AiRCFG-TABLE'
|
|---|
| 1430 | ; string. When this character get's deleted,
|
|---|
| 1431 | ; AiR-BOOT will not function because it cannot
|
|---|
| 1432 | ; find the config-signature which includes this
|
|---|
| 1433 | ; invisible character. The code of the char is: 0x0ad.
|
|---|
| 1434 | db 'AiRCFG-TABLE'
|
|---|
| 1435 | db 01h, 08h, 'U' ; "Compressed" ID String
|
|---|
| 1436 | ; Version 1.02 was for code 1.06, 1.03 was internal
|
|---|
| 1437 | ; and 1.04,1.05 and 1.06 do not exist.
|
|---|
| 1438 | ;
|
|---|
| 1439 | ; 1.07 was used with AB v1.07 and introduced the phase1
|
|---|
| 1440 | ; system-name. For the rest it is compatible with v1.02.
|
|---|
| 1441 | ;
|
|---|
| 1442 | ; 1.0.8 is introduced with AB v1.0.8 and indicates the movement
|
|---|
| 1443 | ; of several components and the packing of the hideparttable.
|
|---|
| 1444 | ; The core configuration has not changed but the generated
|
|---|
| 1445 | ; configuration has. The v1.0.8 installer handles upgrading.
|
|---|
| 1446 | ;
|
|---|
| 1447 | ; It is not required for the config to have the
|
|---|
| 1448 | ; same version as the code, so in the future
|
|---|
| 1449 | ; the code version might be higher than the
|
|---|
| 1450 | ; config version if there are no changes to the latter.
|
|---|
| 1451 | ;
|
|---|
| 1452 |
|
|---|
| 1453 | CFG_LastTimeEditLow dw 0 ; Last Time Edited Stamp (will incr every setup)
|
|---|
| 1454 | CFG_LastTimeEditHi dw 0 ; second 16 bit part...
|
|---|
| 1455 |
|
|---|
| 1456 | CFG_CheckConfig dw 0 ; Check-Sum for Configuration
|
|---|
| 1457 |
|
|---|
| 1458 | CFG_Partitions db 0 ; Count of partitions in IPT
|
|---|
| 1459 | db 0 ; Was BootParts - Removed since v0.28b
|
|---|
| 1460 | CFG_PartDefault db 0 ; Default-Partition (Base=0)
|
|---|
| 1461 |
|
|---|
| 1462 | CFG_PartLast db 0 ; Which Partition was booted last time ? (Base=0)
|
|---|
| 1463 | CFG_TimedBoot db 0 ; Timed Boot Enable (for REAL Enable look TimedBootEnable)
|
|---|
| 1464 | CFG_TimedSecs db 15 ; Timed Boot - How Many Seconds Till Boot
|
|---|
| 1465 | CFG_TimedDelay dw 123 ; Timed Boot - Delay
|
|---|
| 1466 | CFG_TimedBootLast db 1 ; Timed Boot - Boot From Last Drive Booted From
|
|---|
| 1467 | CFG_RememberBoot db 1 ; Remember Manual Boot Choice
|
|---|
| 1468 | CFG_RememberTimed db 0 ; Remember if Timed Boot (if both disabled: Boot Default)
|
|---|
| 1469 | CFG_IncludeFloppy db 1 ; Include Floppy Drives in Boot-Menu
|
|---|
| 1470 | CFG_BootMenuActive db 1 ; Display Boot-Menu (if Disabled: Boot Default)
|
|---|
| 1471 | ; v0.29+ -> 2 - Detailed Bootmenu
|
|---|
| 1472 | CFG_PartitionsDetect db 1 ; Autodetect New Partitions (Auto-Add!)
|
|---|
| 1473 | CFG_PasswordSetup db 0 ; Ask Password when entering Setup
|
|---|
| 1474 | CFG_PasswordSystem db 0 ; Ask Password when booting System
|
|---|
| 1475 | CFG_PasswordChangeBoot db 0 ; Ask Password when changing boot partition
|
|---|
| 1476 | CFG_ProtectMBR db 0 ; Protect MBR via TSR ?
|
|---|
| 1477 | CFG_IgnoreWriteToMBR db 0 ; Just ignore writes to MBR, otherwise crash
|
|---|
| 1478 | CFG_FloppyBootGetName db 0 ; Gets floppy name for display purposes
|
|---|
| 1479 | CFG_DetectVirus db 0 ; Detect Virus ?
|
|---|
| 1480 | CFG_DetectStealth db 0 ; Detect Stealth-Virus ?
|
|---|
| 1481 | CFG_DetectVIBR db 0 ; Detect BootRecord-Virus ?
|
|---|
| 1482 | CFG_AutoEnterSetup db 0 ; Automatic Enter Setup (first install!)
|
|---|
| 1483 | CFG_MasterPassword dw 0101Fh ; Encoded Password (this is just CR)
|
|---|
| 1484 | dw 07A53h
|
|---|
| 1485 | dw 0E797h
|
|---|
| 1486 | dw 0A896h
|
|---|
| 1487 | CFG_BootPassword dw 0101Fh ; Another CR... ;-)
|
|---|
| 1488 | dw 07A53h
|
|---|
| 1489 | dw 0E797h
|
|---|
| 1490 | dw 0A896h
|
|---|
| 1491 | db 0 ; Rude-Protection - Removed since v0.28b
|
|---|
| 1492 | CFG_LinuxRootPartition db 0 ; Linux Root Partition (Base=0)
|
|---|
| 1493 | CFG_TimedKeyHandling db 0 ; Timed Key Handling (for Timed Boot)
|
|---|
| 1494 | ; 0 - Do Nothing
|
|---|
| 1495 | ; 1 - Reset Time
|
|---|
| 1496 | ; 2 - Stop Time
|
|---|
| 1497 | CFG_MakeSound db 0 ; Should be clear ;)
|
|---|
| 1498 | CFG_FloppyBootGetTimer db 0 ; Floppy Name will get updated every 2 secs
|
|---|
| 1499 | CFG_ResumeBIOSbootSeq db 0 ; If BIOS Boot Sequence should be resumed
|
|---|
| 1500 | ; 0 - Disabled
|
|---|
| 1501 | ; 1 - CD-ROM
|
|---|
| 1502 | ; 2 - Network
|
|---|
| 1503 | ; 3 - ZIP/LS120
|
|---|
| 1504 | CFG_CooperBars db 0 ; If Cooper Bars should be shown
|
|---|
| 1505 | CFG_LinuxCommandLine db 75 dup (0) ; Linux Command Line
|
|---|
| 1506 | CFG_LinuxKrnlPartition db 0FFh ; FAT-16 Linux Kernel Partition (Base=0)
|
|---|
| 1507 | ; FFh -> Disabled
|
|---|
| 1508 | CFG_LinuxDefaultKernel db 'DEFAULT', 4 dup (32), 0 ; Default Kernel Name
|
|---|
| 1509 | CFG_LinuxLastKernel db 11 dup (32), 0 ; Last-Booted Kernel Name
|
|---|
| 1510 | CFG_ExtPartitionMShack db 0 ; Extended Partition M$-Hack Global Enable
|
|---|
| 1511 | CFG_AutomaticBoot db 0 ; Automatic Booting (only one bootup)
|
|---|
| 1512 | CFG_PartAutomatic db 0 ; Partition-No for automatic booting
|
|---|
| 1513 | CFG_ForceLBAUsage db 1 ; LBA-BIOS-API forced on any HDD I/O
|
|---|
| 1514 | CFG_IgnoreLVM db 0 ; Ignores any LVM-Information
|
|---|
| 1515 |
|
|---|
| 1516 |
|
|---|
| 1517 | ;
|
|---|
| 1518 | ; THERE IS ROOM RESERVED HERE FOR MORE VARIABLES
|
|---|
| 1519 | ;
|
|---|
| 1520 |
|
|---|
| 1521 | ;
|
|---|
| 1522 | ; Drive Letters.
|
|---|
| 1523 | ;
|
|---|
| 1524 | ORIGIN 06CB0h
|
|---|
| 1525 |
|
|---|
| 1526 |
|
|---|
| 1527 | ;
|
|---|
| 1528 | ; Moved here to make room for packed hiddenparttable.
|
|---|
| 1529 | ;
|
|---|
| 1530 | DriveLetters db LocIPT_MaxPartitions dup (0)
|
|---|
| 1531 | ; Format is:
|
|---|
| 1532 | ;============
|
|---|
| 1533 | ; Drive-Letter : BYTE (80h-C:, 81h-D:)
|
|---|
| 1534 | ; --------------------> 1 Byte * 45
|
|---|
| 1535 |
|
|---|
| 1536 | ;
|
|---|
| 1537 | ; Allways have the name of the installation volume
|
|---|
| 1538 | ; at this offset.
|
|---|
| 1539 | ; So future config changes will not break auto-install.
|
|---|
| 1540 | ;
|
|---|
| 1541 | ORIGIN 06D00h
|
|---|
| 1542 |
|
|---|
| 1543 | ; SET(A)BOOT stores the volume name of the eCS system being installed here.
|
|---|
| 1544 | ; It is truncated to 11 chars because AiR-BOOT currently does not support
|
|---|
| 1545 | ; longer labelnames. The name is also capitalized.
|
|---|
| 1546 | ;eCS_InstallVolume db 12 dup (0)
|
|---|
| 1547 | ;eCS_InstallVolume db 'HIGHLOG' ,0
|
|---|
| 1548 | eCS_InstallVolume db 0,'NOPHASEONE' ,0
|
|---|
| 1549 | ;eCS_InstallVolume db 'ECS-MIDDLE',0,0
|
|---|
| 1550 | ;eCS_InstallVolume db 'ECS-HIGH',0,0,0,0
|
|---|
| 1551 | ;eCS_InstallVolume db 'ECS-HIGH',0,'NO',0
|
|---|
| 1552 |
|
|---|
| 1553 |
|
|---|
| 1554 | ;
|
|---|
| 1555 | ; THERE IS ROOM RESERVED HERE FOR MORE VARIABLES
|
|---|
| 1556 | ;
|
|---|
| 1557 |
|
|---|
| 1558 | ;
|
|---|
| 1559 | ; 06DABh - 06C00h = 01ABh = 427 bytes.
|
|---|
| 1560 | ; Entries allocated down from 06E00 boundary.
|
|---|
| 1561 | ;
|
|---|
| 1562 | ORIGIN 06DABh ; 427 Boundry
|
|---|
| 1563 |
|
|---|
| 1564 | ; (432 - 5 = 427)
|
|---|
| 1565 | AutoDrvLetter db 0
|
|---|
| 1566 | AutoDrvLetterSerial dd 0
|
|---|
| 1567 |
|
|---|
| 1568 | ; This entry is also 34 bytes long (466 - 34 = 432)
|
|---|
| 1569 | BIOScontIPTentry:
|
|---|
| 1570 | db 0, 0, 0, 0, ' '
|
|---|
| 1571 | db 0, 0FEh, Flags_Bootable
|
|---|
| 1572 | dw 0 ; No Checksum :)
|
|---|
| 1573 | db 0, 1, 0
|
|---|
| 1574 | db 0, 1, 0 ; Location of Partition/Boot Record
|
|---|
| 1575 | dd 0, 0
|
|---|
| 1576 |
|
|---|
| 1577 | ; VIR variables are for the AiR-BOOT Anti Virus Code
|
|---|
| 1578 | ; Most of them are backups of Interrupt Points, so we can check, if a
|
|---|
| 1579 | ; stealth virus is on-line, we can intercept its call.
|
|---|
| 1580 | ; Normal (non stealth) virus are trapped simply by rereading the MBR sector.
|
|---|
| 1581 | ; If a virus is found, we will restore MBR from Sektor 60/62 and stop the
|
|---|
| 1582 | ; system from working, so the user has to press reset.
|
|---|
| 1583 | ; That's saver than a Reboot.
|
|---|
| 1584 | ;
|
|---|
| 1585 | ; If a virus is found on the partition to boot, the system will ONLY halt,
|
|---|
| 1586 | ; nothing more, because we can not remove it. The user shall do it :)
|
|---|
| 1587 | ; Those viruses are detected via a real nasty method...Checksum-Checking of the
|
|---|
| 1588 | ; boot-record, which is to be executed. If it does not match the one in our
|
|---|
| 1589 | ; internal partition table, we will stop. You may however switch this detection
|
|---|
| 1590 | ; off or just reset it by switching 'VIBR Detection'.
|
|---|
| 1591 |
|
|---|
| 1592 | ; 478 - 12 = 466 ; 466 Sub-Part
|
|---|
| 1593 | CFG_VIR_INT08 dd 0 ; pointer to saved 08h entry point
|
|---|
| 1594 | CFG_VIR_INT13 dd 0 ; pointer to saved 13h entry point
|
|---|
| 1595 | CFG_VIR_INT1C dd 0 ; pointer to saved 1Ch entry point
|
|---|
| 1596 |
|
|---|
| 1597 | ; 478 Boundry (512-34)
|
|---|
| 1598 | ; This entry is also 34 bytes long
|
|---|
| 1599 | FloppyIPTentry db 0, 0, 0, 0, 'FloppyDrive'
|
|---|
| 1600 | db 0, 0FFh, Flags_Bootable
|
|---|
| 1601 | dw 0 ; No Checksum :)
|
|---|
| 1602 | db 0, 1, 0
|
|---|
| 1603 | db 0, 1, 0 ; Location of Partition/Boot Record
|
|---|
| 1604 | dd 0, 0
|
|---|
| 1605 | ;------------------------------------------------------------------------------
|
|---|
| 1606 |
|
|---|
| 1607 | ;org 06E00h ; Sector 56-57
|
|---|
| 1608 |
|
|---|
| 1609 | ;
|
|---|
| 1610 | ; AiR-BOOT Internal Partition Table (IPT)
|
|---|
| 1611 | ;
|
|---|
| 1612 | ORIGIN % (image_size - 0a00h - (image_size - image_size_60secs))
|
|---|
| 1613 |
|
|---|
| 1614 |
|
|---|
| 1615 | ;
|
|---|
| 1616 | ; Rousseau: This is the start of the AiR-BOOT IPT
|
|---|
| 1617 | ;
|
|---|
| 1618 |
|
|---|
| 1619 |
|
|---|
| 1620 | PartitionTable db (LocIPT_MaxPartitions * LocIPT_LenOfIPT) dup (0)
|
|---|
| 1621 | ; no-partitions detected... :]
|
|---|
| 1622 | ; db 1, 0, 0, 0, 'Harddisc 1'
|
|---|
| 1623 | ; db 0, 0FFh, Flags_BootAble
|
|---|
| 1624 | ; dw 0 ; No Checksum :)
|
|---|
| 1625 | ; db 0, 0, 1
|
|---|
| 1626 | ; db 0, 0, 1 ; Location of Partition/Boot Record
|
|---|
| 1627 | ; dd 0, 0
|
|---|
| 1628 |
|
|---|
| 1629 | ; Format is:
|
|---|
| 1630 | ;============
|
|---|
| 1631 | ; SerialNumber * 4
|
|---|
| 1632 | ; PartitionName * 11
|
|---|
| 1633 | ; Drive * 1
|
|---|
| 1634 | ; SystemID * 1 (means the partition type)
|
|---|
| 1635 | ; Flags * 1
|
|---|
| 1636 | ; Checksum * 2 (for virus checking)
|
|---|
| 1637 | ; LocationBegin * 3 (where the partition begins)
|
|---|
| 1638 | ; LocationPartTab * 3 (where the partition table is)
|
|---|
| 1639 | ; AbsoluteBegin * 4 (where the partition begins, in absolute sectors)
|
|---|
| 1640 | ; AbsolutePartTab * 4 (where the partition table is, in absolute sectors)
|
|---|
| 1641 | ; --------------------> 34 Bytes (total maximum partition-entries = 30)
|
|---|
| 1642 |
|
|---|
| 1643 |
|
|---|
| 1644 |
|
|---|
| 1645 | ; No need to check overlap here because this string will
|
|---|
| 1646 | ; be overwritten if the maximum partition count is reached.
|
|---|
| 1647 | ; So this is not a critical boundary.
|
|---|
| 1648 | ORG (image_size - 600h - (image_size - image_size_60secs) / 2 - 10)
|
|---|
| 1649 |
|
|---|
| 1650 | db 'AiRBOOTPAR' ; 1K internal partition table
|
|---|
| 1651 |
|
|---|
| 1652 |
|
|---|
| 1653 | ;------------------------------------------------------------------------------
|
|---|
| 1654 | ;org 07400h ; Sector 58
|
|---|
| 1655 |
|
|---|
| 1656 |
|
|---|
| 1657 | ;
|
|---|
| 1658 | ; Hidden Partition Table (6-bit packed as of v1.0.8)
|
|---|
| 1659 | ;
|
|---|
| 1660 | ORIGIN % (image_size - 600h - (image_size - image_size_60secs) / 2)
|
|---|
| 1661 |
|
|---|
| 1662 | HidePartitionTable db (LocIPT_MaxPartitions * LocHPT_LenOfHPT) dup (0FFh)
|
|---|
| 1663 | ; Format is:
|
|---|
| 1664 | ;============
|
|---|
| 1665 | ; PartitionPtr : BYTE * 30
|
|---|
| 1666 | ; --------------------> 30 Bytes * 45
|
|---|
| 1667 |
|
|---|
| 1668 | ;
|
|---|
| 1669 | ; Driveletters were here.
|
|---|
| 1670 | ; Moved down to make room for packed hideparttable.
|
|---|
| 1671 | ;
|
|---|
| 1672 |
|
|---|
| 1673 |
|
|---|
| 1674 | ;
|
|---|
| 1675 | ; End of hidden partition table.
|
|---|
| 1676 | ; Check overlap here for security reasons.
|
|---|
| 1677 | ;
|
|---|
| 1678 | ORIGIN % (image_size - 200h - 5)
|
|---|
| 1679 |
|
|---|
| 1680 | ; 79fa - end of packed hide table
|
|---|
| 1681 | db 'ABHID' ; 1K internal Hide-partition table
|
|---|
| 1682 |
|
|---|
| 1683 |
|
|---|
| 1684 |
|
|---|
| 1685 |
|
|---|
| 1686 | ;------------------------------------------------------------------------------
|
|---|
| 1687 | ;org 07A00h
|
|---|
| 1688 | ; Sector 60
|
|---|
| 1689 |
|
|---|
| 1690 | ;
|
|---|
| 1691 | ; AiR-BOOT MBR Backup.
|
|---|
| 1692 | ;
|
|---|
| 1693 | ORIGIN % (image_size - 200h)
|
|---|
| 1694 |
|
|---|
| 1695 |
|
|---|
| 1696 | MBR_BackUpMBR db 'AiR-BOOT MBR-BackUp',\
|
|---|
| 1697 | ' - Just to fill this sector with something',0
|
|---|
| 1698 | AirBootRocks db 'AiR-BOOT Rocks!',0
|
|---|
| 1699 |
|
|---|
| 1700 | db (512 - ($-MBR_BackUpMBR) - 2) dup('M')
|
|---|
| 1701 |
|
|---|
| 1702 | ; End of Image signature.
|
|---|
| 1703 | ;
|
|---|
| 1704 | ORIGIN % (image_size - 2)
|
|---|
| 1705 | dw 0BABEh
|
|---|
| 1706 |
|
|---|
| 1707 |
|
|---|
| 1708 | ;
|
|---|
| 1709 | ; End of Image.
|
|---|
| 1710 | ;
|
|---|
| 1711 | ORIGIN % (image_size)
|
|---|
| 1712 |
|
|---|
| 1713 |
|
|---|
| 1714 | IFDEF SEGMENTED
|
|---|
| 1715 | ;
|
|---|
| 1716 | ; End of AiR-BOOT code and data.
|
|---|
| 1717 | ;
|
|---|
| 1718 |
|
|---|
| 1719 | LDRIMAGE ENDS
|
|---|
| 1720 |
|
|---|
| 1721 | ;DATA_SEG ENDS
|
|---|
| 1722 |
|
|---|
| 1723 | ;
|
|---|
| 1724 | ; Uninitialized Data (BSS)
|
|---|
| 1725 | ;
|
|---|
| 1726 | VOLATILE SEGMENT USE16 PUBLIC 'BSS'
|
|---|
| 1727 |
|
|---|
| 1728 | ENDIF
|
|---|
| 1729 |
|
|---|
| 1730 |
|
|---|
| 1731 |
|
|---|
| 1732 | sobss:
|
|---|
| 1733 | ;------------------------------------------------------------------------------
|
|---|
| 1734 |
|
|---|
| 1735 | ;
|
|---|
| 1736 | ; Removed ORG for BSS data to be more compatible
|
|---|
| 1737 | ; with segment-concatenated layout.
|
|---|
| 1738 | ;
|
|---|
| 1739 | ; What happens before this space ??
|
|---|
| 1740 | ; If org 0 corruption occurs.
|
|---|
| 1741 | ;
|
|---|
| 1742 |
|
|---|
| 1743 | ;
|
|---|
| 1744 | ; Filling hiddenparttable goes out-of-bounds !
|
|---|
| 1745 | ; Fixed with 6-bit packing.
|
|---|
| 1746 | ;
|
|---|
| 1747 |
|
|---|
| 1748 | ;
|
|---|
| 1749 | ; If segmented, offsets are relative to the BSS segment.
|
|---|
| 1750 | ; They are resolved at link-time.
|
|---|
| 1751 | ; If not segmented, offsets are relative to the CODE segment.
|
|---|
| 1752 | ;
|
|---|
| 1753 | IFDEF SEGMENTED
|
|---|
| 1754 | ORG 02400h
|
|---|
| 1755 | ELSE
|
|---|
| 1756 | ORG 0A000h
|
|---|
| 1757 | ENDIF
|
|---|
| 1758 |
|
|---|
| 1759 |
|
|---|
| 1760 | ; This space actually gets initialized in PreCrap to NUL (till EndOfVariables)
|
|---|
| 1761 | BeginOfVariables:
|
|---|
| 1762 | PartitionSector db 512 dup (?) ; Temporary Sector for Partition
|
|---|
| 1763 | JfsPBR db 512 dup (?) ; Temporary Sector for JFS PBR writeback
|
|---|
| 1764 | LVMSector db 512 dup (?) ; Temporary Sector for LVM
|
|---|
| 1765 | TmpSector db 512 dup (?) ; Temporary Sector
|
|---|
| 1766 | Scratch db 256 dup (?) ; Scratch buffer
|
|---|
| 1767 |
|
|---|
| 1768 | ; Everything used to build a new IPT and reference it to the old one
|
|---|
| 1769 | ; IETS OVERSCHRIJFT DIT !!
|
|---|
| 1770 | NewPartTable db 1536 dup (?) ; New Partition Table
|
|---|
| 1771 |
|
|---|
| 1772 | ; New Hide-Partition Table
|
|---|
| 1773 | NewHidePartTable db partition_count * LocHPT_LenOfHPT dup (?)
|
|---|
| 1774 |
|
|---|
| 1775 | ; Logical Drive-Letters
|
|---|
| 1776 | NewDriveLetters db partition_count dup (?)
|
|---|
| 1777 |
|
|---|
| 1778 | ; Size-Table (6 bytes per partition)
|
|---|
| 1779 | PartitionSizeTable db partition_count * 6 dup (?)
|
|---|
| 1780 |
|
|---|
| 1781 | ; Maximum is 52 entries till now
|
|---|
| 1782 | PartitionPointers dw 52 dup (?)
|
|---|
| 1783 |
|
|---|
| 1784 | ; Count of total Partition Pointers
|
|---|
| 1785 | PartitionPointerCount db ?
|
|---|
| 1786 |
|
|---|
| 1787 | ; X-Reference Table (holds new partnr, index is old part nr)
|
|---|
| 1788 | PartitionXref db partition_count dup (?)
|
|---|
| 1789 |
|
|---|
| 1790 | ; Volume-Letters
|
|---|
| 1791 | ; 0 - no LVM support
|
|---|
| 1792 | ; 1 - LVM support, but no letter
|
|---|
| 1793 | ; 'C'-'Z' - assigned drive letter
|
|---|
| 1794 | PartitionVolumeLetters db partition_count dup (?)
|
|---|
| 1795 |
|
|---|
| 1796 |
|
|---|
| 1797 |
|
|---|
| 1798 |
|
|---|
| 1799 | TotalHarddiscs db ? ; Total harddrives (by POST)
|
|---|
| 1800 | LBASwitchTable db 128 dup (?) ; Bit 25-18 for CHS/LBA Switching
|
|---|
| 1801 | NewPartitions db ? ; Freshly found partitions
|
|---|
| 1802 | ; Independent of SaveConfiguration
|
|---|
| 1803 | TooManyPartitions db ? ; Non-zero if too many partitions found
|
|---|
| 1804 |
|
|---|
| 1805 | VideoIO_Segment dw ? ; Segment for Video I/O
|
|---|
| 1806 |
|
|---|
| 1807 | ExtendedAbsPos dd ? ; Extended Partition Absolute Position
|
|---|
| 1808 | ExtendedAbsPosSet db ? ; If Absolute Position set
|
|---|
| 1809 |
|
|---|
| 1810 | CurPartition_Location dw 4 dup (?) ; Where did current partition come from?
|
|---|
| 1811 | CurIO_UseExtension db ? ; 1-Use INT 13h EXTENSIONS
|
|---|
| 1812 | ; (filled out by PreCrap)
|
|---|
| 1813 | CurIO_Scanning db ? ; 1-AiR-BOOT is scanning partitions
|
|---|
| 1814 | ; (for detailed error message)
|
|---|
| 1815 |
|
|---|
| 1816 | ; [Linux support removed since v1.02]
|
|---|
| 1817 | ;GotLinux db ? ; 1-Linux found
|
|---|
| 1818 |
|
|---|
| 1819 | Menu_EntrySelected db ? ; Which partition we boot this time...
|
|---|
| 1820 | Menu_UpperPart db ? ; Which number (Base=0) is the partition upper pos
|
|---|
| 1821 | Menu_AbsoluteX db ? ; Pos where Menu stuff starts
|
|---|
| 1822 | Menu_TotalParts db ? ; Copy of CFG_BootParts
|
|---|
| 1823 | Menu_TotalLines db ? ; Total Lines on Screen used for BootMenu
|
|---|
| 1824 | Menu_EntryDefault db ? ; Default Entry in filtered View
|
|---|
| 1825 | Menu_EntryLast db ? ; LastBooted Entry in filtered View
|
|---|
| 1826 | Menu_EntryAutomatic db ? ; Automatic Entry in filtered View
|
|---|
| 1827 | ; - All adjusted to menu locations
|
|---|
| 1828 |
|
|---|
| 1829 | PartSetup_UpperPart db ? ; Partition-Setup (like Menu_UpperPart)
|
|---|
| 1830 | PartSetup_ActivePart db ? ; Active Partition
|
|---|
| 1831 | PartSetup_HiddenUpper db ? ; (like Menu_UpperPart)
|
|---|
| 1832 | PartSetup_HiddenX db ? ; Pos for Hidden-Setup
|
|---|
| 1833 | PartSetup_HiddenAdd db ? ; Adjust for Hidden-Setup
|
|---|
| 1834 |
|
|---|
| 1835 | TimedBootEnable db ? ; Local Enable/Disable for timed boot
|
|---|
| 1836 | TimedTimeOut dd ? ; TimeOut Timer for TimedBoot (too much time here;)
|
|---|
| 1837 | TimedSecondLeft db ? ; How many seconds are left till boom ?
|
|---|
| 1838 | TimedSecondBack db ? ; To get a modification noticed
|
|---|
| 1839 | TimedBootUsed db ? ; Timed Boot used for bootup ?
|
|---|
| 1840 | FloppyGetNameTimer dd ? ; Timer for Floppy-Get-Name
|
|---|
| 1841 | SETUP_KeysOnEntry db ? ; which Shift Status was there, when booting ?
|
|---|
| 1842 | SETUP_ExitEvent db ? ; Exit Event to end SETUP
|
|---|
| 1843 | TempPasswordEntry db 17 dup (?)
|
|---|
| 1844 | SETUP_OldPwd db 17 dup (?)
|
|---|
| 1845 | SETUP_NewPwd db 17 dup (?)
|
|---|
| 1846 | SETUP_VerifyPwd db 17 dup (?)
|
|---|
| 1847 | StartSoundPlayed db ?
|
|---|
| 1848 | ChangePartNameSave db ? ; Save label after user-edit ?
|
|---|
| 1849 | SyncLvmLabels db ? ; Sync LVM labels after user-edit ?
|
|---|
| 1850 |
|
|---|
| 1851 | FX_UseCount dw ?
|
|---|
| 1852 | FX_OverallTimer dw ?
|
|---|
| 1853 | FX_WideScrollerTimer dw ?
|
|---|
| 1854 | FX_WideScrollerCurPos dw ?
|
|---|
| 1855 | FX_WideScrollerSpeed db ?
|
|---|
| 1856 | FX_WideScrollerSpeedState db ?
|
|---|
| 1857 | FX_WideScrollerDirection db ?
|
|---|
| 1858 | FX_WideScrollerAbsDirection db ?
|
|---|
| 1859 | FX_WideScrollerBounceSpeed db ?
|
|---|
| 1860 | FX_CooperBarsTimer dw ?
|
|---|
| 1861 |
|
|---|
| 1862 | ;~ ; [Linux support removed since v1.02]
|
|---|
| 1863 | ;~ FAT16_Drive db ? ; FAT-16: Drive of FAT16-partition
|
|---|
| 1864 | ;~ FAT16_AbsPartitionBegin dd ? ; FAT-16: LBA Begin of Partition
|
|---|
| 1865 | ;~ FAT16_SecsPerCluster db ? ; FAT-16: Sectors Per Cluster
|
|---|
| 1866 | ;~ FAT16_NumOfRootEntries dw ? ; FAT-16: Number of Root Entries
|
|---|
| 1867 | ;~ FAT16_SecsPerFAT dw ? ; FAT-16: Sectors Per FAT
|
|---|
| 1868 | ;~ FAT16_AbsFATBegin dd ? ; FAT-16: LBA Begin of FAT
|
|---|
| 1869 | ;~ FAT16_AbsRootBegin dd ? ; FAT-16: LBA Begin of Root
|
|---|
| 1870 | ;~ FAT16_AbsClusterBegin dd ? ; FAT-16: LBA Begin of Clusters
|
|---|
| 1871 | ;~ FAT16_FATCacheSector db ? ; FAT-16: FAT-Sector No in Cache
|
|---|
| 1872 | ;~ FAT16_FATCache db 512 dup (?) ; FAT-16: FAT-Area Cache
|
|---|
| 1873 | ;~ LINUX_KernelEntries db 680 dup (?) ; 34*20 -> Space for Kernel-Entries
|
|---|
| 1874 | ;~ LINUX_KernelNo db ? ; Total of Kernels in KernelEntries
|
|---|
| 1875 | ;~ LINUX_KernelSizeTable db 120 dup (?) ; Size-Table (6 bytes per kernel)
|
|---|
| 1876 |
|
|---|
| 1877 | ; Dynamically Generated Tables - do not need to get initialized with NUL
|
|---|
| 1878 | FX_CooperColors db 672 dup (?) ; 7 cooper bars*96 - runtime calculated
|
|---|
| 1879 | FX_CooperState db 7 dup (?)
|
|---|
| 1880 | FX_SinusPos db 7 dup (?)
|
|---|
| 1881 | FX_CooperPos dw 7 dup (?)
|
|---|
| 1882 | CharsetTempBuffer db 4096 dup (?) ; Uninitialized Charset buffer
|
|---|
| 1883 | LVM_CRCTable dd 256 dup (?) ; LVM-CRC (->SPECiAL\LVM.asm)
|
|---|
| 1884 |
|
|---|
| 1885 |
|
|---|
| 1886 |
|
|---|
| 1887 |
|
|---|
| 1888 | ;
|
|---|
| 1889 | ; Rousseau: added some stuff.
|
|---|
| 1890 | ;
|
|---|
| 1891 |
|
|---|
| 1892 |
|
|---|
| 1893 | ;EVEN
|
|---|
| 1894 | HugeDisk db MaxDisks dup(?)
|
|---|
| 1895 | TrueSecs dd MaxDisks dup(?)
|
|---|
| 1896 |
|
|---|
| 1897 | ; BIOS geometry of the boot-drive
|
|---|
| 1898 | ; Note that heads cannot be 256 due to legacy DOS/BIOS bug
|
|---|
| 1899 | ; If Int13X is supported those values are used, otherwise the legacy values.
|
|---|
| 1900 | BIOS_Cyls dd MaxDisks dup(?)
|
|---|
| 1901 | BIOS_Heads dd MaxDisks dup(?)
|
|---|
| 1902 | BIOS_Secs dd MaxDisks dup(?)
|
|---|
| 1903 | BIOS_Bytes dw MaxDisks dup(?)
|
|---|
| 1904 | BIOS_TotalSecs dq MaxDisks dup(?)
|
|---|
| 1905 |
|
|---|
| 1906 | ; LBA geometry of the boot-drive
|
|---|
| 1907 | ; Note that these values are taken from the BPB of a partition boot-record
|
|---|
| 1908 | LVM_Cyls dd MaxDisks dup(?)
|
|---|
| 1909 | LVM_Heads dd MaxDisks dup(?)
|
|---|
| 1910 | LVM_Secs dd MaxDisks dup(?)
|
|---|
| 1911 | LVM_Bytes dw MaxDisks dup(?)
|
|---|
| 1912 | LVM_TotalSecs dq MaxDisks dup(?)
|
|---|
| 1913 |
|
|---|
| 1914 | ; OS/2 geometry of the boot-drive
|
|---|
| 1915 | ; Note that these values are taken from the BPB of a partition boot-record
|
|---|
| 1916 | LOG_Cyls dd MaxDisks dup(?)
|
|---|
| 1917 | LOG_Heads dd MaxDisks dup(?)
|
|---|
| 1918 | LOG_Secs dd MaxDisks dup(?)
|
|---|
| 1919 | LOG_Bytes dw MaxDisks dup(?)
|
|---|
| 1920 | LOG_TotalSecs dq MaxDisks dup(?)
|
|---|
| 1921 |
|
|---|
| 1922 | ; End of transient variables.
|
|---|
| 1923 | EndOfVariables:
|
|---|
| 1924 |
|
|---|
| 1925 |
|
|---|
| 1926 | ;
|
|---|
| 1927 | ; Temporary buffer for 48h INT13X bios call.
|
|---|
| 1928 | ;
|
|---|
| 1929 |
|
|---|
| 1930 | ; Size of the buffer.
|
|---|
| 1931 | ; this param *must* be filled in.
|
|---|
| 1932 | ; Code inserts it.
|
|---|
| 1933 | i13xbuf dw 1 dup (?)
|
|---|
| 1934 |
|
|---|
| 1935 | ; The buffer itself.
|
|---|
| 1936 | db 126 dup(?)
|
|---|
| 1937 |
|
|---|
| 1938 | ; Size of buffer calculated.
|
|---|
| 1939 | ; (excluding the size word at the start).
|
|---|
| 1940 | i13xbuf_size = $-offset i13xbuf-2
|
|---|
| 1941 |
|
|---|
| 1942 | ; Some debug area.
|
|---|
| 1943 | ott db 512 dup(?)
|
|---|
| 1944 |
|
|---|
| 1945 | eobss:
|
|---|
| 1946 |
|
|---|
| 1947 | IFDEF SEGMENTED
|
|---|
| 1948 | VOLATILE ENDS
|
|---|
| 1949 | ELSE
|
|---|
| 1950 | LDRIMAGE ENDS
|
|---|
| 1951 | ENDIF
|
|---|
| 1952 |
|
|---|
| 1953 | END AiR_BOOT
|
|---|
| 1954 |
|
|---|
