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AIR-BOOT.ASM@ 30

Last change on this file since 30 was 30, checked in by Ben Rietbroek, 14 years ago

AiR-BOOT v1.07 -- As released with eCS v2.1. [2011-05-06]
Signature-date: 2006-03-13. (incorrect)
Trunk contains buildable v1.07 version as distributed with eCS v2.1.
Directory 'tags' contains v1.06 & v1.07 reference versions
built for all languages. Note that language ID for 'Dutch' changed
from 'DT' to 'NL' in v1.07 and that the v1.06 reference version also
uses 'NL' for 'Dutch'.
Also note that helper programs like the installer and setaboot are
are only modified for the OS/2 versions in v1.07.
The signature-date for v1.07 incorrectly states the same
date as for v1.06. The signature-version is correct.
Removed other binaries. (cd-rom images, old releases, etc.)
The tags serve as reference versions:

v1.06: rebuilt from source. (tags/v1.06r)
v1.07: built as released with eCS v2.1. (tags/v1.07r)

File size: 65.0 KB

Line
1	; AiR-BOOT (c) Copyright 1998-2008 M. Kiewitz
2	;
3	; This file is part of AiR-BOOT
4	;
5	; AiR-BOOT is free software: you can redistribute it and/or modify it under
6	; the terms of the GNU General Public License as published by the Free
7	; Software Foundation, either version 3 of the License, or (at your option)
8	; any later version.
9	;
10	; AiR-BOOT is distributed in the hope that it will be useful, but WITHOUT ANY
11	; WARRANTY: without even the implied warranty of MERCHANTABILITY or FITNESS
12	; FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13	; details.
14	;
15	; You should have received a copy of the GNU General Public License along with
16	; AiR-BOOT. If not, see <http://www.gnu.org/licenses/>.
17	;
18
19	; -------------------
20	; Rousseau: # Fixes #
21	; -------------------
22	; # Huge Drives and LVM #
23	; When using disks >512GB under eComStation, the drive geometry changes to
24	; 127 or 255 sectors per track. Since LVM-info is written at the last sector
25	; of a track, and AiR-BOOT uses the geometry of the MBR, it cannot find the
26	; LVM-info and the eCS partition / volume bootsector.
27	; This has been fixed.
28	; Now, when an eCS-partition is discovered and the drive is >512GB, AiR-BOOT
29	; will use the eCS geometry to locate the LVM-info and the bootsector.
30	;
31	; # Special loader handling #
32	; The special handling of partition boot-loaders has been enhanced to
33	; enable booting of legacy sysems on huge drives with or without OS/2
34	; extended geometry.
35	;
36	; # eComStation boot-through after phase 1 #
37	; A special functionality is implemented to directly boot the newly
38	; installed system ; when installing eCS without showing the Boot Menu,
39	; independant of user settings.
40	; This works in conjuntion with the OS/2 specific SETABOOT.EXE program,
41	; also part of this AiR-BOOT package.
42	;
43	; # Math, Debug, Conv and Aux modules #
44	; These are used for 32-bit arithmatic on 16-bit code,
45	; debug the booting process, converting between data-types
46	; and outputting log-data to the com-port.
47
48
49
50	;---------------------------------------------------------------------------
51	; AiR-BOOT / MAIN-CODE
52	;---------------------------------------------------------------------------
53	;
54
55
56	; ----------------------------
57	; Rousseau: # JUMPS disabled #
58	; ----------------------------
59	; We actually don't want to use this directive because it generates extra
60	; NOP instructions that we can do without.
61	; Relative conditional jumps that are out-of-range are manually reworked by
62	; skipping an unconditional jump to the target on base of complementary
63	; condition logic and temporary labels.
64	; TASM also has a bug in that when the .ERR2 directive is used when the .386 directive
65	; is in effect, the JUMPS directive is also active and cannot be turned off.
66	; NOJUMPS seems to have no effect in this situation.
67	; In this case 4 NOP instructions are generated after forward referencing jump
68	; instructions, to allow for automatic recoding by TASM.
69	; This seems to be a TASM bug. (v2,v3,v4, dunno v5)
70	;
71	;JUMPS
72	;
73
74	;
75	; If defined then each module is prefixed with it's name.
76	; This is used for debugging purposes.
77	; It should be off in release code.
78	;
79	;ModuleNames equ 1
80
81
82
83	;
84	; The first harddisk is BIOS coded 80h.
85	; This makes a total of 128 disk could be supported using this coding.
86	; This value is used to store disk-information and this info is allocated
87	; in the BSS.
88	;
89	MaxDisks equ 16
90
91	;
92	; If defined then include DEBUG.ASM and output debug-info to serial-port.
93	;
94	AuxDebug equ 1
95
96
97	BiosComPort equ 0 ; Com-port for debugging, 0 is disabled
98
99	; bits 7-5 = datarate (000=110,001=150,010=300,011=600,100=1200,101=2400,110=4800,111=9600 bps)
100	; bits 4-3 = parity (00 or 10 = none, 01 = odd, 11 = even)
101	; bit 2 = stop-bits (set = 2 stop-bits, clear = 1 stop-bit)
102	; bits 1-0 = data-bits (00 = 5, 01 = 6, 10 = 7, 11 = 8)
103	AuxInitParms equ 11100011b ; 9600 bps, no parity, 1 stop-bit, 8 bits per char
104
105	BIOS_AuxParmsDefault equ (AuxInitParms SHL 8) OR BiosComPort ; Default word value for offset 77FEh (BIOS_AuxParms)
106	;
107	; If ReleaseCode is not defined, it will produce debug-able code...
108	;
109	ReleaseCode equ -1 ; Rousseau: this should be replaced
110	; by the complementary debug logic some day.
111	; Then instead of being on or off it would be
112	; more handy to use positive integers with each
113	; higher number increasing the debug functionality.
114
115	;
116	; All Special Equs for this project
117	;
118
119	; Use different addresses depending on whether in pre-boot or debug environment.
120	IFDEF ReleaseCode
121	StartBaseSeg equ 00000h ; Pre-boot, so we are in low memory
122	StartBasePtr equ 07C00h ; BIOS starts our MBR at 0:7C00
123	ELSE
124	StartBaseSeg equ 03A98h ; Adjust to DOS segment ; Rousseau: where does this value come from ? (should be CS; rectified in actual code by ignoring this value)
125	StartBasePtr equ 00100h ; We are a .com file, some DOS is active
126	ENDIF
127
128	; Address labels after code-move
129	BootBaseSeg equ 8000h ; Pre-boot, somewhere in the low 640K
130	BootBasePtr equ 0h ; We put our MBR to this location
131	BootBaseExec equ BootBasePtr+offset MBR_RealStart
132	StackSeg equ 7000h ; Put the stack below the code
133
134	; Video pages, no INT 10h is used for menu-drawing etc.
135	VideoIO_Page0 equ 0B800h
136	VideoIO_Page1 equ 0B900h
137	VideoIO_Page2 equ 0BA00h
138	VideoIO_Page4 equ 0BC00h
139	VideoIO_FXSegment equ 0A000h
140
141	; Include
142	Include ..\INCLUDE\asm.inc
143	;Include ..\INCLUDE\DOS\airboot.inc ; does not exist anymore
144
145	; Special line-drawing characters
146	TextChar_WinLineRight equ 0C4h ; 'Ä'
147	TextChar_WinLineDown equ 0B3h ; '³'
148	TextChar_WinRep1 equ 0D1h ; 'Ñ'
149	TextChar_WinRep2 equ 0C5h ; 'Å'
150	TextChar_WinRep3 equ 0CFh ; 'Ï'
151	TextChar_WinRep4 equ 0B5h ; 'µ'
152	TextChar_WinRep5 equ 0C6h ; 'Æ'
153	TextChar_WinRep6 equ 0D8h ; 'Ø'
154
155	; Offsets for Partition-Entries in MBR/EPRs
156	LocBRPT_LenOfEntry equ 16 ; Length of a standard MBR or EPR entry
157	LocBRPT_Flags equ 0 ; Bootable, Hidden, etc.
158	LocBRPT_BeginCHS equ 1 ; Combined 10-bits cyl with 6 bits
159	LocBRPT_BeginHead equ 1 ; Start head (0<=H<255) 255 is invalid !
160	LocBRPT_BeginSector equ 2 ; Start sector (1<=S<=255)
161	LocBRPT_BeginCylinder equ 3 ; Start cylinder (0<=C<[1024,16384,65536,n])
162	LocBRPT_SystemID equ 4 ; Type of system using the partition
163	LocBRPT_EndCHS equ 5 ; Same for end of partition
164	LocBRPT_EndHead equ 5
165	LocBRPT_EndSector equ 6
166	LocBRPT_EndCylinder equ 7
167	LocBRPT_RelativeBegin equ 8 ; Where the ...
168	LocBRPT_AbsoluteLength equ 12 ; ?
169
170	LocBR_Magic equ 510 ; ?
171
172	; Offsets for LVM Information Sector
173	LocLVM_SignatureStart equ 0 ;
174	LocLVM_SignatureByte0 equ 2 ;
175	LocLVM_CRC equ 8 ; CRC is a DWORD
176	LocLVM_MaxEntries equ 4 ; Max entries in the track0 LVM-sector
177	LocLVM_StartOfEntries equ 60 ; (contains maximum of 4 entries)
178	LocLVM_LenOfEntry equ 60 ; ?
179	LocLVM_VolumeID equ 0 ; is DWORD
180	LocLVM_PartitionID equ 4 ; is DWORD
181	LocLVM_PartitionSize equ 8 ; is DWORD
182	LocLVM_PartitionStart equ 12 ; is DWORD
183	LocLVM_VolumeLetter equ 18 ; is BYTE (Letter C-Z or 0) (relative to entry)
184
185	; Rousseau: added (index in LVM-sector)
186	LocLVM_Secs equ 20h ; Sectors per Track ; Rousseau: this one is used for the OS/2 extended geometry
187	LocLVM_Heads equ 1ch ; Number of heads
188	LocLVM_VolumeLetter2 equ 78 ; is BYTE (Letter C-Z or 0) ; FOUT !! niet entry relative !
189	LocLVM_Startable equ 77 ; is startable (newly installed system) ; FOUT !! niet entry relative !
190	LocLVM_OnBootMenu equ 76 ; is on bootmenu ; FOUT !! niet entry relative !
191
192	LocLVM_VolumeName equ 20 ; 20 bytes
193	LocLVM_PartitionName equ 40 ; 20 bytes
194
195
196
197
198	; Offsets for IPT (Internal Partition Table)
199	LocIPT_MaxPartitions equ partition_count ; Maximum LocIPT_MaxPartitions
200	LocIPT_LenOfSizeElement equ 6 ; Size of one Size-Element
201	LocIPT_LenOfIPT equ 34 ; Length of an IPT-entry
202	LocIPT_Serial equ 0 ; Serial from MBR ?
203	LocIPT_Name equ 4 ; Name from FS or LVM (part/vol)
204	LocIPT_Drive equ 15 ; Drive-ID (80h,81h etc. sub 7fh to get 1-based disk-number)
205	LocIPT_SystemID equ 16 ; Partition-Type (06,07,etc)
206	LocIPT_Flags equ 17 ; AiR-BOOT Flags for partition (see below)
207	LocIPT_BootRecordCRC equ 18 ; CRC of Boot-Record
208	LocIPT_LocationBegin equ 20 ; Begin of Partition
209	LocIPT_LocationPartTable equ 23 ; PartitionTable of Partition
210	LocIPT_AbsoluteBegin equ 26 ; Absolute Sector of Begin
211	LocIPT_AbsolutePartTable equ 30 ; Absolute Sector of PartTable
212
213	; AiR-BOOT IPT-Flags
214	LocIPT_DefaultFlags equ 00000011b ; Don't know if boot-able :)
215	LocIPT_DefaultNonBootFlags equ 00000010b ; ...VIBR Detection is always on
216
217	Flags_BootAble equ 00000001b
218	Flags_VIBR_Detection equ 00000010b
219	Flags_HideFeature equ 00000100b
220	Flags_DriveLetter equ 00001000b ; OS/2 FAT16/HPFS only
221	Flags_ExtPartMShack equ 00010000b ; Extended Partition M$-Hack req ?
222	Flags_NoPartName equ 01000000b
223	Flags_NowFound equ 10000000b ; temp only in OldPartTable
224	Flags_SpecialMarker equ 10000000b ; temp only for HiddenSetup
225
226	FileSysFlags_BootAble equ 00000001b ; Is this Partition boot-able ?
227	FileSysFlags_FAT32 equ 00010000b ; FAT 32 specific name getting
228	FileSysFlags_NoName equ 00100000b ; No Name - use PartitionName
229	FileSysFlags_DriveLetter equ 01000000b ; DriveLetter Feature possible
230
231	; Navigation keys
232	Keys_Up equ 48h
233	Keys_Down equ 50h
234	Keys_Left equ 4Bh
235	Keys_Right equ 4Dh
236	Keys_PageUp equ 49h
237	Keys_PageDown equ 51h
238	Keys_GrayPlus equ 4Eh
239	Keys_GrayMinus equ 4Ah
240	Keys_Plus equ 1Bh
241	Keys_Minus equ 35h
242	Keys_Enter equ 1Ch
243	Keys_ESC equ 1h
244	Keys_F1 equ 3Bh
245	Keys_F10 equ 44h
246	Keys_C equ 2Eh ; Add. Check auf Ctrl!
247	Keys_Y equ 2Ch
248	Keys_Z equ 15h
249	Keys_N equ 31h
250	Keys_TAB equ 0Fh
251	Keys_Delete equ 53h
252	Keys_Backspace equ 0Eh
253	Keys_Space equ 20h
254
255	Keys_Flags_EnterSetup equ 1100b ; Strg+Alt (AL)
256
257
258	; ------------------------------------------
259	; Rousseau: # Changed this from .386 to .286
260	; ------------------------------------------
261	; Because of the TASM-bug the processor had to be changed to turn JUMPS
262	; off. Existing movzx instructions were replaced with 286 equivalent code.
263	; Out of range relative jumps have been recoded.
264	; AiR-BOOT can now run on a 286 processor :-)
265	.286
266
267	; This influences the uses directive and other stuff,
268	; like calling-style.
269	; The model itself,large, has no effect because we generate
270	; a binairy image and not a segmented executable.
271	.model large, basic
272
273	; Our code-segment starts here.
274	; We are running in 16-bit and we like it
275	code_seg segment public use16
276	assume cs:code_seg, ds:code_seg, es:nothing, ss:nothing
277
278
279
280	;===============================================================================
281	; Sector 1
282
283
284	; We are not a .com file at 100h but a binary image
285	; of which only the 1st sector gets loaded at 07c00h.
286	org 00000h ; Sector 1
287
288	; Start of sector 1
289	; This is the MBR, note the AiRBOOT signature, it's date (2006), version and
290	; language.
291	; Version 1.07 was intruduced in 2011.
292	; It fixes issues with huge drives and lvm and more.
293
294	sos1:
295
296	; ---------------------------------------------
297	; Rousseau: # Combined letter and jump offset #
298	; ---------------------------------------------
299	; My guess is Martin had a short jump followed by the AiRBOOT signature at first.
300	; Then he encountered strange behaviour by some M$ operating-systems if the
301	; the first insruction was not a CLI.
302	; But there was no room to insert the CLI and of course he did not want to
303	; change the location of the AiRBOOT signature.
304	; He solved this by inserting the M$ needed CLI at offset 0 followed by a short
305	; jump that uses the 'A' of the AiRBOOT signature as the jump displacement.
306
307
308	;---------------------------------------------------------------------------
309	AiR_BOOT: cli ; Some M$ operating systems need a CLI
310	; here otherwise they will go beserk ; Rousseau: M$ osses are beserk by definition.
311	; and will do funny things during
312	; boot phase, it's laughable!
313	db 0EBh ; JMP-Short -> MBR_Start ; Rousseau: uses the 'A' as the displacement !
314	db 'AiRBOOT', 13h, 03h, 20h, 06h, 01h, 07h, TXT_LanguageID ; Rousseau: version adjusted to v1.07
315
316	; ID String, Date and Version Number, U for US version
317	db 1 ; Total Sectors Count,
318	; Will get overwritten by FIXBSET.exe
319	MBR_CheckCode dw 0 ; Check-Sum for Code
320
321	;
322	; This label is jumped to from the jump after 'eCSRocks'.
323	; No single instruction below should be changed, added or removed in the code
324	; below as this will cause the jump-link to go haywire.
325	MBR_Start: sti ; This opcode is dedicated to:
326	cld ; =MICROSOFT JUMP DEPARTMENT=
327
328	; Setup some base stuff
329	; AX got loaded wrongly for debug, changed the instructions
330	; without modifying the number of bytes.
331	; Don't comment-out the redundant instruction below because this will
332	; change the number of bytes and break the jump-chain.
333	mov ax, StartBaseSeg ; The segment we are moving ourself from (NOT USED)
334	;mov ds, ax
335	push cs
336	pop ds
337	mov si, StartBasePtr ; The offset we are moving ourself from
338	mov ax, BootBaseSeg ; The target segment we are moving ourself to
339	mov es, ax
340	mov di, BootBasePtr ; The target offset we are moving ourself to
341
342	; Depending on pre-boot or debug,
343	; only move first 512 bytes or the whole she-bang++ (65400 bytes)
344	IFDEF ReleaseCode
345	mov cx, 256 ; Pre-boot environment
346	ELSE
347	mov cx, 32700 ; Debug environment ; Rousseau: where does 32700 come from ? (30720)
348	ENDIF
349
350	;
351	; LET's MOVE OURSELVES !
352	;
353	rep movsw
354
355	; Code a jump to the
356	db 0EAh
357	dw BootBaseExec ; This is MBR_RealStart + BootBasePtr
358	dw BootBaseSeg ; This is 08000h
359	; jmp far ptr BootBaseSeg:BootBaseExec
360
361
362	;
363	; Some MBR-functions to provide absolute minimum functionality.
364	;
365
366	;
367	; Entry-point for halting the system.
368	;
369	MBR_HaltSystem:
370	mov ax, 8600h
371	xor cx, cx
372	mov dx, 500
373	int 15h ; Wait to display the whole screen :]
374	MBR_HaltSys: cli
375	jmp MBR_HaltSys
376
377	;
378	; Never let this part change it's offset,
379	; or the first MBR jump will go haywire.
380	;
381
382	; db 'FUCKMS:>' ; Sorry Martin, we had to change this.
383	db 'eCSRocks' ; Hope you like this one too :-)
384	jmp MBR_Start ; We jump here, because I needed to
385	; insert a CLI on start and did not
386	; want to change AiR-BOOT detection
387	; because of Microsoft inventions...
388	;
389	; Entry-point when loading fails.
390	;
391	db 'LOAD ERROR!', 0
392	MBR_LoadError Proc Near
393	mov si, offset $-12
394	push cs
395	pop ds
396	call MBR_Teletype
397	MBRLE_Halt:
398	jmp MBRLE_Halt
399	MBR_LoadError EndP
400
401
402	;
403	; Entry-point when saving fails.
404	;
405	db 'SAVE ERROR!', 0
406	MBR_SaveError Proc Near
407	mov si, offset $-12
408	push cs
409	pop ds
410	call MBR_Teletype
411	MBRSE_Halt:
412	jmp MBRSE_Halt
413	MBR_SaveError EndP
414
415
416	; Put text on the screen using the BIOS tele-type function.
417	; No attributes like color are supported.
418	; In: SI - Pointer to begin of string (EOS is 0)
419	; Destroyed: SI
420	MBR_Teletype Proc Near Uses ax bx cx
421	mov ah, 0Eh
422	mov bx, 7
423	MBRT_Loop:
424	lodsb
425	or al, al
426	jz MBRT_End
427	int 10h
428	jmp MBRT_Loop
429	MBRT_End:
430	ret
431	MBR_Teletype EndP
432
433	;
434	; Rousseau: DO NOT ADD CODE TO THIS SECTION !
435	;
436
437	; In: BX - Base Check, DS:SI - Pointer to 512-byte-area to be included
438	; Out: BX - Base Check Result
439	; Destroyed: SI will get updated (+512)
440	MBR_GetCheckOfSector Proc Near Uses ax cx
441	mov cx, 256
442	MBRGCOS_Loop:
443	lodsw
444	xor ax, 0BABEh
445	xor bx, ax
446	loop MBRGCOS_Loop
447	or bx, bx
448	jnz MBRGCOS_NoFixUp
449	mov bx, 1 ; dont allow 0, cause 0 == empty
450	MBRGCOS_NoFixUp:
451	ret
452	MBR_GetCheckOfSector EndP
453
454
455
456
457
458
459	;
460	; This is where the rest of AiR-BOOT gets loaded.
461	;
462
463	;---------------------------------------------------------------------------
464	MBR_RealStart:
465	mov ax, StackSeg ; 07000h, below the moved code
466	mov ss, ax
467	;mov sp, 7FFFh ; Odd stack-pointer ??
468	mov sp, 7FFEh ; Safe value, could also be 8000h because SP is decremented by 2 before push
469	mov ax, es ; ES holds segment where we moved ourself to.
470	mov ds, ax ; Set DS==ES to Code Segment
471
472	; If we are in debug-mode, all code is moved already,
473	; so we can directly jump to it.
474	; One difference is that in debug-mode, the whole .com image is loaded by dos while
475	; when air-boot is active from the MBR it does the loading itself.
476	; When active from the MBR air-boot does not load all sectors !
477	; This means that i.e. a value stored at 77E0h is present in the debug-version because the whole
478	; image is loaded, but is not present in running-mode because this sector is not loaded.
479	IFNDEF ReleaseCode
480	jmp AiR_BOOT_Start
481	ENDIF
482
483
484	; Load missing parts from harddrive...
485	mov ax, cs ; actually obsolete
486	mov es, ax ; actually obsolete
487
488	; Load the configuration-sectors from disk.
489	mov bx, offset Configuration
490	mov dx, 0080h ; First harddrive, Sector 55
491	mov cx, 0037h ; Is 55d is config-sector
492
493
494
495	IF image_size EQ image_size_60secs
496	mov ax, 0205h ; Read 5 sectors (55 - 59)
497	ELSE
498	mov ax, 0207h ; Read 7 sectors (55 - 61)
499	ENDIF
500
501	int 13h
502	jnc MBR_ConfigCopy_NoError
503
504	; Some error occured
505	MBR_ConfigCopy_LoadError:
506	call MBR_LoadError ; Will Abort BootUp
507
508	; Load the code sectors
509	MBR_ConfigCopy_NoError:
510	mov bx, offset FurtherMoreLoad
511	mov dx, 0080h ; First harddrive
512	mov cx, 0002h ; Second sector
513	mov ah, 02h
514
515	mov al, ds:[10h] ; 34h = 52d sectors (35h in extended version)
516	int 13h
517	jnc MBR_RealStart_NoError
518	jmp MBR_ConfigCopy_LoadError
519	; [v1.05+]
520	; Signature for IBM's LVM to detect our "powerful" features ;)
521	db 'I13X'
522	MBR_RealStart_NoError:
523	; Now Check Code with CheckSum
524	mov si, offset FurtherMoreLoad
525
526	;movzx cx, bptr ds:[10h]
527	mov cl, ds:[10h]
528	mov ch,0
529
530	xor bx, bx
531	MBR_RealStart_CheckCodeLoop:
532	call MBR_GetCheckOfSector
533	loop MBR_RealStart_CheckCodeLoop
534	cmp MBR_CheckCode, bx
535	je MBR_RealStart_CheckSuccess
536	mov si, offset TXT_ERROR_Attention
537	call MBR_Teletype
538	mov si, offset TXT_ERROR_CheckCode
539	call MBR_Teletype
540	mov si, offset TXT_ERROR_CheckFailed
541	call MBR_Teletype
542	jmp MBR_HaltSystem
543	MBR_RealStart_CheckSuccess:
544	jmp AiR_BOOT_Start
545
546
547
548
549	;---------------------------------------------------------------------------
550	Include TEXT\TXTMBR.asm ; All translateable Text in MBR
551	;---------------------------------------------------------------------------
552
553
554
555	; Comport settings
556	; DO NOT MOVE THIS VARIABLE !!
557	; It cannot be in the config-area (sector 55) because that area
558	; is crc-protected.
559	org 001B0h
560	BIOS_AuxParms dw BIOS_AuxParmsDefault ; Initialized at start when developing
561
562	org 00200h
563	; End of sector 1
564	eos1:
565
566	; Check for overlap
567	slack01 = sos2 - eos1
568	IF slack01 LT 0
569	.ERR2 "Location Overlap slack01 !"
570	ENDIF
571
572
573	;===============================================================================
574	; Sector 2
575
576	;
577	; Here starts the second sector, sector 2
578	;
579	org 00200h
580	; Start of sector 2.
581	sos2:
582
583
584	; Everything beyond this point is loaded on startup and is NOT existant at first
585	FurtherMoreLoad:
586
587	;
588	; Filesystem table correlating id with name.
589	;
590
591	; first Normal-Partition-ID, Hidden-Partition-ID
592	; and Default-Partition-Flags.
593	; 01h -> Boot-Able
594	; 10h -> FAT32 - Name Getting Scheme
595	; 20h -> No Name To Get (use Partition Name)
596	; 40h -> 'L' flag possible
597	db 'AiRSYS-TABLE'
598	FileSysIDs: db 01h, 11h,01h, 04h,014h,01h, 06h,016h,41h, 0Eh,00Eh,01h
599	db 07h, 17h,41h, 08h,017h,21h, 35h,035h,20h,0FCh,017h,41h
600	db 09h, 19h,11h, 0Bh,01Bh,11h, 0Ch,01Ch,11h,0EBh,0EBh,01h
601	db 63h, 63h,21h, 81h,081h,21h, 83h,083h,21h, 40h,040h,21h
602	db 0A5h,0A5h,21h,0A6h,0A6h,21h, 82h,082h,20h,0A7h,0A7h,21h
603	db 63h, 63h,21h, 4Dh,04Dh,21h, 4Eh,04Eh,21h, 4Fh,04Fh,21h
604	db 01h, 01h,01h, 01h,001h,01h, 01h,001h,01h, 01h,001h,01h
605	db 01h, 01h,01h, 01h,001h,01h, 01h,001h,01h, 01h,001h,01h
606	db 01h, 01h,01h, 01h,001h,01h, 01h,001h,01h, 01h,001h,01h
607	db 01h, 01h,01h,0FDh,0FDh,20h, 84h,084h,20h,0A0h,0A0h,20h
608	db 0Ah, 0Ah,20h,0FEh,0FEh,21h,0FFh,0FFh,21h, 00h,000h,21h
609	db 16 dup (0)
610
611	FileSysNames: db 'FAT12 ', 'FAT16 ', 'FAT16Big', 'FAT16Big'
612	db 'HPFS ', 'NTFS ', 'LVM-Data', 'JFS '
613	db 'FAT32 ', 'FAT32 ', 'FAT32 ', 'BeOS '
614	db 'Unix ', 'Minix ', 'Linux ', 'Venix ' ; x row ;)
615	db 'BSD/386 ', 'OpenBSD ', 'LinuxSwp', 'NeXTSTEP'
616	db 'GNU HURD', 'QNX ', 'QNX ', 'QNX '
617	db ' ', ' ', ' ', ' '
618	db ' ', ' ', ' ', ' '
619	db ' ', ' ', ' ', ' '
620	db ' ', 'Kernel ', ' ', '0V-Award'
621	db 'OS/2 Man', 'via BIOS', 'Floppy ', 'Unknown '
622	; -> 44 Partition-Types
623
624	; End of sector 2.
625	eos2:
626
627
628
629	; Check for overlap
630	slack02 = sos3 - eos2
631	IF slack02 LT 0
632	.ERR2 "Location Overlap slack02 !"
633	ENDIF
634
635
636
637
638
639	;===============================================================================
640	; Sector 3
641	org 00400h
642	; Start of sector 3.
643	sos3:
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659	; ##############################################
660	; ## ENTRY-POINT AFTER ALL THE INITIAL HASSLE ##
661	; ##############################################
662
663
664
665	AiR_BOOT_Start: nop
666
667	;jmp skip
668
669	; Rousseau:
670	; I should cleanup my garbage here...
671
672	; Initialize Variable-Tables, Detections, etc.
673	call PRECRAP_Main
674
675	; Number of harddisks is now known
676
677	call PARTSCAN_ScanForPartitions
678
679
680	; Number of disks found
681	mov si, offset DisksFound
682	call MBR_Teletype
683
684	mov al, [TotalHarddiscs]
685	call VideoIO_SyncPos
686	call VideoIO_PrintByteDynamicNumber
687	xor si,si
688	call MBR_TeletypeNL
689
690	; Number of bootable systems indicator
691	mov si, offset PartitionsFound
692	call MBR_Teletype
693
694	mov al, [CFG_Partitions]
695	call VideoIO_SyncPos
696	call VideoIO_PrintByteDynamicNumber
697
698	xor si,si
699	call MBR_TeletypeNL
700	call MBR_TeletypeNL
701
702	call VideoIO_SyncPos
703
704	mov dl,80h
705	call VideoIO_DumpDiskInfo
706
707	;
708	; Enumberate Bootable Systemen by name
709	; And prepare Phase 1 if active
710	;
711	mov si, offset PartitionTable
712	xor cx,cx
713	mov cl,[CFG_Partitions]
714	MBR_Parts:
715	add si, 4
716	push si
717	push si
718	;call MBR_TeletypeVolName
719	pop si
720	call PART_IsInstallVolume
721	jnc MBR_Parts_NI
722
723	; install volume
724	mov al,' '
725	mov bl,7
726	mov ah, 0eh
727	int 10h
728
729	mov al,'('
730	mov bl,7
731	mov ah, 0eh
732	int 10h
733
734	mov al,[CFG_Partitions]
735	sub al,cl
736	;inc al
737	;mov [Menu_EntryAutomatic],al
738	mov [CFG_PartAutomatic],al ; Rousseau: setup entry for install-volume
739	mov [CFG_PartLast],al
740	mov ah, [eCS_InstallVolume] ; 1st byte is 0 if no phase 1 active
741	test ah,ah ; test the byte, ZF is 0 if phase 1 active
742	lahf ; flags in ah
743	xor ah, 40h ; complement ZF
744	and ah, 40h ; mask ZF
745	shr ah, 6 ; move ZF to LSB
746	mov [CFG_AutomaticBoot], ah ; automatic boot if phase 1 is active
747	mov [eCS_InstallVolume], 0 ; disable phase 1 for next boot
748
749	add al,'1'
750	mov bl,7
751	mov ah, 0eh
752	int 10h
753
754	mov al,')'
755	mov bl,7
756	mov ah, 0eh
757	int 10h
758
759	mov bx,cx
760
761	MBR_Parts_NI:
762	xor si,si
763	;call MBR_TeletypeNL
764	pop si
765	add si, 30
766	loop MBR_Parts
767
768
769
770
771	; Index of automatic start partition
772	; mov si, offset AutoStartPart
773	;call MBR_Teletype
774
775	mov al, [CFG_PartAutomatic]
776	add al, 31h
777	mov ah, 09h
778	mov bx, 15
779	mov cx, 1
780	;int 10h
781
782	mov al, [CFG_PartAutomatic]
783	add al, 31h
784	mov ah, 0eh
785	mov bx, 15
786	mov cx, 1
787	;int 10h
788
789	xor si,si
790	call MBR_TeletypeNL
791	xor si,si
792	call MBR_TeletypeNL
793
794	mov ax,[BIOS_AuxParms]
795	;call VideoIO_SyncPos
796	push ax
797	add al,'0'
798	mov bl,7
799	mov ah, 0eh
800	;int 10h
801	pop ax
802	xchg al,ah
803	sub al,0a2h
804	mov bl,7
805	mov ah, 0eh
806	;int 10h
807
808
809	call MBR_TeletypeSyncPos
810
811	xor si,si
812	call MBR_TeletypeNL
813	call MBR_TeletypeNL
814
815
816
817	mov si, offset ShowMenu
818	call MBR_TeletypeBold
819
820
821	skip:
822
823
824
825	;
826	; ########################### WAIT FOR KEY ################################
827	;
828
829
830	; Rousseau:
831	; Wait for key so we can see debug log if ab-menu hangs.
832	;;xor ax, ax
833	;;int 16h
834
835	;call SOUND_Beep
836
837	; Rousseau: delayed save of video-page
838
839	mov ax, VideoIO_Page1
840	call VideoIO_BackUpTo ; Copy BIOS POST to Second Page
841
842	;call SOUND_Beep
843
844
845	;
846	; COM-PORT DEBUG
847	;
848	call AuxIO_TeletypeNL
849	mov si, offset PartitionTable
850	call AuxIO_DumpSector
851	call AuxIO_TeletypeNL
852
853	;
854	; RE-ENTER SETUP
855	;
856	MBR_Main_ReEnterSetup: ; Rousseau: SETUP re-enters here !
857	call SETUP_CheckEnterSETUP
858
859	;call SOUND_Beep
860
861
862
863
864	; Rousseau: Prematurely save configuration
865	call DriveIO_SaveConfiguration ; Rousseau: added SAVE CONFIG
866
867
868	call AFTERCRAP_Main ; Rousseau: Every time I see "AfterCrap" I have to laugh :-)
869
870	; [Linux support removed since v1.02]
871	; ; Now get FAT16-Linux Kernel Partition, If requested
872	; cmp [CFG_LinuxKrnlPartition], 0FFh
873	; je MBR_Main_NoLinuxKrnlPartition
874	; call LINUX_InitFAT16access
875	; MBR_Main_NoLinuxKrnlPartition:
876
877
878	MBR_Main_ReEnterBootMenuPre:
879
880	; SetUp PartitionPointers for BootMenu (filter non-bootable)
881	call PART_CalculateMenuPartPointers
882
883	; ...and count that one...
884	cmp PartitionPointerCount, 0
885	jne MBR_Main_SomethingBootAble
886	mov si, offset TXT_NoBootAble
887	call MBR_Teletype
888	jmp MBR_HaltSystem
889
890	MBR_Main_SomethingBootAble:
891	; FixUp Values, define Timed Setup booting, etc.
892	call PART_FixUpDefaultPartitionValues
893
894
895
896	; -------------------------------------------------- BOOT-MENU
897	MBR_Main_ReEnterBootMenu:
898	call BOOTMENU_ResetMenuVars ; reset has to be done
899	test CFG_AutomaticBoot, 1
900	jz MBR_Main_NoAutomaticBooting
901	; ------------------------------------------ AUTOMATIC BOOTING
902	; Select automatic partition, disable automatic booting for
903	; next time and boot system...
904	mov CFG_AutomaticBoot, 0
905	call PASSWORD_AskSystemPwd
906	mov al, Menu_EntryAutomatic
907
908	;mov al, 2 ; Rousseau: 0-based
909
910	mov Menu_EntrySelected, al
911	jmp MBR_Main_NoBootMenu ; Rousseau: NO-BOOT-MENU
912
913	MBR_Main_NoAutomaticBooting:
914
915	;call SOUND_Beep
916
917	test CFG_BootMenuActive, 0FFh
918	jnz MBR_Main_GotBootMenu
919	; ----------------------------------------------- NO BOOT-MENU
920	; Select default partition and boot system...
921	call PASSWORD_AskSystemPwd
922
923	;call VideoIO_DBG_WriteString2 ; Rousseau
924
925	mov al, Menu_EntryDefault
926	;mov al,0 ; Rousseau: 0-based
927	mov Menu_EntrySelected, al
928	jmp MBR_Main_NoBootMenu
929
930	MBR_Main_GotBootMenu:
931	; ------------------------------------------ BOOT-MENU VISUALS
932	call FX_StartScreen
933
934	;call SOUND_Beep
935
936	call BOOTMENU_BuildBackground
937	call BOOTMENU_BuildMain
938	call FX_EndScreenRight
939	call PASSWORD_AskSystemPwd
940	call BOOTMENU_ResetTimedBoot
941
942	;call SOUND_Beep
943
944	call BOOTMENU_Execute
945
946	;call SOUND_Beep
947
948	jc MBR_Main_ReEnterSetup
949	call BOOTMENU_SetVarsAfterMenu
950
951	;call SOUND_Beep
952
953	; ------------------------------------------------- BOOTING...
954	MBR_Main_NoBootMenu:
955	call FX_StartScreen
956	call BOOTMENU_BuildGoodBye
957	call FX_EndScreenRight
958	call PASSWORD_AskChangeBootPwd
959
960	IFNDEF ReleaseCode
961	; Debug Code to terminate DOS .COM program - used for
962	; testing AiR-BOOT
963	int 3
964	mov ax, 6200h
965	int 21h
966	mov es, bx
967	mov ax, 4C00h ; Quit program
968	int 21h
969	ENDIF
970	call ANTIVIR_SaveBackUpMBR
971	mov dl, Menu_EntrySelected
972	call PART_StartPartition ; Rousseau: START PARTITION
973
974
975
976	;
977	; Include other code-modules here.
978	; Because TASM is a multiple pass assembler, forward references
979	; are possible.
980	;
981	b_std_txt:
982	Include REGULAR\STD_TEXT.asm ; Standard (non-translateable text)
983	size_std_txt = $-b_std_txt
984
985	b_driveio:
986	Include REGULAR\DRIVEIO.asm ; Drive I/O, Config Load/Save
987	size_driveio = $-b_driveio
988
989	b_videoio:
990	Include REGULAR\ViDEOIO.asm ; Video I/O
991	size_videoio = $-b_videoio
992
993	b_timer:
994	Include REGULAR\TIMER.asm ; Timer
995	size_timer = $-b_timer
996
997	b_partmain:
998	Include REGULAR\PARTMAIN.asm ; Regular Partition Routines
999	size_partmain = $-b_partmain
1000
1001	b_partscan:
1002	Include REGULAR\PARTSCAN.asm ; Partition Scanning
1003	size_partscan = $-b_partscan
1004
1005	b_bootmenu:
1006	Include REGULAR\BOOTMENU.asm ; Boot-Menu
1007	size_bootmenu = $-b_bootmenu
1008
1009	b_password:
1010	Include REGULAR\PASSWORD.asm ; Password related
1011	size_password = $-b_password
1012
1013	b_other:
1014	Include REGULAR\OTHER.asm ; Other Routines
1015	size_other = $-b_other
1016
1017	; Rousseau: Special modules moved upwards.
1018	b_main:
1019	Include SETUP\MAiN.ASM ; The whole AiR-BOOT SETUP
1020	size_main = $-b_main
1021
1022
1023	IFDEF TXT_IncludeCyrillic
1024	b_ccharset:
1025	Include SPECiAL\CHARSET.asm ; Charset Support (e.g. Cyrillic)
1026	size_ccharset = $-b_ccharset
1027	ENDIF
1028
1029	b_math:
1030	Include REGULAR\MATH.ASM ; Math functions (like 32-bit multiply)
1031	size_math = $-b_math
1032
1033	b_conv:
1034	Include REGULAR\CONV.ASM ; Various conversion routines
1035	size_conv = $-b_conv
1036
1037	IFDEF AuxDebug
1038	b_debug:
1039	Include REGULAR\DEBUG.ASM ; Various debugging routines, uses AUXIO and CONV
1040	size_debug = $-b_debug
1041	ENDIF
1042
1043	b_auxio:
1044	Include REGULAR\AUXIO.ASM ; Com-port support for debugging
1045	size_auxio = $-b_auxio
1046
1047	; Rousseau: moved upwards
1048	;IFDEF TXT_IncludeCyrillic
1049	; Include SPECiAL\CHARSET.asm ; Charset Support (e.g. Cyrillic)
1050	;ENDIF
1051
1052	; End of sector 3.
1053	eos3:
1054
1055
1056	; Check for overlap
1057	slack03 = sos36 - eos3
1058	IF slack03 LT 0
1059	.ERR2 "Location Overlap slack03 !"
1060	ENDIF
1061
1062
1063	;===============================================================================
1064
1065	;
1066	; This is the AiR-BOOT MBR-Protection Image.
1067	; 04600 / 200h = 23h = 35d sectors are before this point.
1068	; The stuff generated here gets overwritten when the MBR_PROT.ASM
1069	; module, which is assembled separately, gets merged.
1070	; So you won't find the string below in the generated binary.
1071	;
1072	org 04600h ; Sector 36-37
1073
1074	; Start of sector 36.
1075	sos36:
1076
1077	MBR_Protection: db 'AiR-BOOT MBR-Protection Image'
1078	; Hardcoded to 1k (1024 bytes)
1079	db 1024-($-MBR_Protection) dup('X')
1080
1081	; End of sector 37, yes this section is 2 sectors long.
1082	eos37:
1083
1084
1085
1086	; Check for overlap
1087	slack04 = sos38 - eos37
1088	IF slack04 LT 0
1089	.ERR2 "Location Overlap slack04 !"
1090	ENDIF
1091
1092
1093
1094
1095	;===============================================================================
1096	; Sector 38-x
1097	;
1098	; This section contains translatable texts.
1099	;
1100	org 04A00h
1101
1102	; Start of sector 28.
1103	sos38:
1104
1105	b_txtother:
1106	Include TEXT\TXTOTHER.asm ; All translateable Text-Strings
1107	size_txtother = $-b_txtother
1108
1109	b_txtmenus:
1110	Include TEXT\TXTMENUS.asm ; All translateable Menu-text
1111	size_txtmenus = $-b_txtmenus
1112
1113	b_charset:
1114	Include TEXT\CHARSET.asm ; Special Video Charsets (if needed)
1115	size_charset = $-b_charset
1116
1117
1118	;
1119	; Here is room for more code.
1120	; Let's move the special modules here...
1121	; The come from the previous section.
1122	;
1123	b_virus:
1124	Include SPECiAL\ViRUS.asm ; Virus Detection / Anti-Virus
1125	size_virus = $-b_virus
1126	; [Linux support removed since v1.02]
1127	;Include SPECiAL\FAT16.asm ; FAT-16 Support
1128	;Include SPECiAL\LINUX.asm ; Linux Kernel Support
1129	b_billsuxx:
1130	Include SPECiAL\F00K\BILLSUXX.asm ; Extended Partition - Microsoft-Hack
1131	size_billsuxx = $-b_billsuxx
1132
1133	b_sound:
1134	Include SPECiAL\SOUND.asm ; Sound
1135	size_sound = $-b_sound
1136
1137	b_apm:
1138	Include SPECiAL\APM.asm ; Power Managment Support
1139	size_apm = $-b_apm
1140
1141	b_fx:
1142	Include SPECiAL\FX.asm ; l33t Cooper-Bars/Scrolling <bg>
1143	size_fx = $-b_fx
1144
1145	b_lvm:
1146	Include SPECiAL\LVM.asm ; LVM-specific code
1147	size_lvm = $-b_lvm
1148
1149
1150
1151
1152
1153	;
1154	; Let's make this always the last module in this section.
1155	;
1156	Include BLDDATE.asm ; Build Date generated by _build.cmd
1157
1158	; End of sector x depending on size of translatable texts.
1159	eosx:
1160
1161	org 06A00h - 4
1162	;db 'BABE'
1163
1164	org 06A00h
1165	; db 'FACE'
1166
1167	; Check for overlap
1168	slack05 = sos55 - eosx
1169	IF slack05 LT 0
1170	.ERR2 "Location Overlap slack05 !"
1171	ENDIF
1172
1173
1174
1175	;===============================================================================
1176	; Sector 55
1177
1178	;
1179	; This section contains the AiR-BOOT configuration.
1180	; Note that it has a version that should be updated
1181	; when stuff is added.
1182	; Also add stuff to the end so that offsets of other
1183	; variables remain vaild.
1184	;
1185	org 06C00h
1186	sos55:
1187
1188
1189	Configuration:
1190	db 'AiRCFG-TABLE' ; Rousseau: THERE IS AN INVISIBLE CHAR HERE !!
1191	db 01h, 07h, 'U' ; "Compressed" ID String
1192	; This is now version 1.07 to have it in sync with the new code version for eCS.
1193	; Version 1.02 was for code 1.06, 1.03 was internal and 1.04,1.05 and 1.06 do not exist.
1194	; It is not required for the config to have the same version as the code, so in the future
1195	; the code version might be higher than the config version if there are no changes to the latter.
1196
1197	CFG_LastTimeEditLow dw 0 ; Last Time Edited Stamp (will incr every setup)
1198	CFG_LastTimeEditHi dw 0 ; second 16 bit part...
1199
1200	CFG_CheckConfig dw 0 ; Check-Sum for Configuration
1201
1202	CFG_Partitions db 0 ; Count of partitions in IPT
1203	db 0 ; Was BootParts - Removed since v0.28b
1204	CFG_PartDefault db 0 ; Default-Partition (Base=0)
1205
1206	CFG_PartLast db 0 ; Which Partition was booted last time ? (Base=0)
1207	CFG_TimedBoot db 1 ; Timed Boot Enable (for REAL Enable look TimedBootEnable)
1208	CFG_TimedSecs db 15 ; Timed Boot - How Many Seconds Till Boot
1209	CFG_TimedDelay dw 123 ; Timed Boot - Delay
1210	CFG_TimedBootLast db 1 ; Timed Boot - Boot From Last Drive Booted From
1211	CFG_RememberBoot db 1 ; Remember Manual Boot Choice
1212	CFG_RememberTimed db 0 ; Remember if Timed Boot (if both disabled: Boot Default)
1213	CFG_IncludeFloppy db 0 ; Include Floppy Drives in Boot-Menu
1214	CFG_BootMenuActive db 1 ; Display Boot-Menu (if Disabled: Boot Default)
1215	; v0.29+ -> 2 - Detailed Bootmenu
1216	CFG_PartitionsDetect db 1 ; Autodetect New Partitions (Auto-Add!)
1217	CFG_PasswordSetup db 0 ; Ask Password when entering Setup
1218	CFG_PasswordSystem db 0 ; Ask Password when booting System
1219	CFG_PasswordChangeBoot db 0 ; Ask Password when changing boot partition
1220	CFG_ProtectMBR db 0 ; Protect MBR via TSR ?
1221	CFG_IgnoreWriteToMBR db 0 ; Just ignore writes to MBR, otherwise crash
1222	CFG_FloppyBootGetName db 0 ; Gets floppy name for display purposes
1223	CFG_DetectVirus db 0 ; Detect Virus ? // Rousseau: disabled
1224	CFG_DetectStealth db 0 ; Detect Stealth-Virus ? // Rousseau: disabled
1225	CFG_DetectVIBR db 0 ; Detect BootRecord-Virus ? // Rousseau: disabled
1226	CFG_AutoEnterSetup db 0 ; Automatic Enter Setup (first install!) // Rousseau: disabled
1227	CFG_MasterPassword dw 0101Fh ; Encoded Password (this is just CR)
1228	dw 07A53h
1229	dw 0E797h
1230	dw 0A896h
1231	CFG_BootPassword dw 0101Fh ; Another CR... ;-)
1232	dw 07A53h
1233	dw 0E797h
1234	dw 0A896h
1235	db 0 ; Rude-Protection - Removed since v0.28b
1236	CFG_LinuxRootPartition db 0 ; Linux Root Partition (Base=0)
1237	CFG_TimedKeyHandling db 0 ; Timed Key Handling (for Timed Boot)
1238	; 0 - Do Nothing
1239	; 1 - Reset Time
1240	; 2 - Stop Time
1241	CFG_MakeSound db 0 ; Should be clear ;)
1242	CFG_FloppyBootGetTimer db 0 ; Floppy Name will get updated every 2 secs
1243	CFG_ResumeBIOSbootSeq db 0 ; If BIOS Boot Sequence should be resumed
1244	; 0 - Disabled
1245	; 1 - CD-ROM
1246	; 2 - Network
1247	; 3 - ZIP/LS120
1248	CFG_CooperBars db 0 ; If Cooper Bars should be shown
1249	CFG_LinuxCommandLine db 75 dup (0) ; Linux Command Line
1250	CFG_LinuxKrnlPartition db 0FFh ; FAT-16 Linux Kernel Partition (Base=0)
1251	; FFh -> Disabled
1252	CFG_LinuxDefaultKernel db 'DEFAULT', 4 dup (32), 0 ; Default Kernel Name
1253	CFG_LinuxLastKernel db 11 dup (32), 0 ; Last-Booted Kernel Name
1254	CFG_ExtPartitionMShack db 0 ; Extended Partition M$-Hack Global Enable
1255	CFG_AutomaticBoot db 0 ; Automatic Booting (only one bootup)
1256	CFG_PartAutomatic db 0 ; Partition-No for automatic booting
1257	CFG_ForceLBAUsage db 1 ; LBA-BIOS-API forced on any HDD I/O // Rousseau: enabled config (LBA)
1258	CFG_IgnoreLVM db 0 ; Ignores any LVM-Information
1259
1260
1261	;
1262	; THERE IS ROOM RESERVED HERE FOR MORE VARIABLES
1263	;
1264
1265
1266	eoc:
1267
1268	; Check for overlap
1269	slack05a = soiv - eoc
1270	IF slack05a LT 0
1271	.ERR2 "Location Overlap slack05a !"
1272	ENDIF
1273
1274	; Allways have the name of the installation volume
1275	; at this offset.
1276	; So future config changes will not break auto-install.
1277	org 06D00h
1278
1279	soiv:
1280
1281	; Rousseau: added
1282	;eCS_InstallVolume db 12 dup (0) ; Rousseau: new install-volume
1283	;eCS_InstallVolume db 'HIGHLOG' ,0 ; Rousseau: new install-volume
1284	eCS_InstallVolume db 0,'NOPHASEONE' ,0 ; Rousseau: new install-volume
1285	;eCS_InstallVolume db 'ECS-MIDDLE',0,0 ; Rousseau: new install-volume
1286	;eCS_InstallVolume db 'ECS-HIGH',0,0,0,0 ; Rousseau: new install-volume
1287	;eCS_InstallVolume db 'ECS-HIGH',0,'NO',0 ; Rousseau: new install-volume
1288
1289
1290
1291	; End of sector 55.
1292	eos55:
1293
1294
1295
1296	; Check for overlap
1297	slack06 = sosvs - eos55
1298	IF slack06 LT 0
1299	.ERR2 "Location Overlap slack06 !"
1300	ENDIF
1301
1302
1303
1304	; VIR variables are for the AiR-BOOT Anti Virus Code
1305	; Most of them are backups of Interrupt Points, so we can check, if a
1306	; stealth virus is on-line, we can intercept its call.
1307	; Normal (non stealth) virus are trapped simply by rereading the MBR sector.
1308	; If a virus is found, we will restore MBR from Sektor 60/62 and stop the system
1309	; from working, so the user has to press reset. That's saver than a Reboot.
1310	;
1311	; If a virus is found on the partition to boot, the system will ONLY halt,
1312	; nothing more, because we can not remove it. The user shall do it :)
1313	; Those viruses are detected via a real nasty method...Checksum-Checking of the
1314	; boot-record, which is to be executed. If it does not match the one in our
1315	; internal partition table, we will stop. You may however switch this detection
1316	; off or just reset it by switching 'VIBR Detection'.
1317
1318
1319	;
1320	; 06DABh - 06C00h = 01ABh = 427 bytes.
1321	;
1322	org 06DABh ; 427 Boundry
1323
1324	sosvs:
1325
1326	AutoDrvLetter db 0
1327	AutoDrvLetterSerial dd 0
1328
1329	; This entry is also 34 bytes long
1330	BIOScontIPTentry:
1331	db 0, 0, 0, 0, ' '
1332	db 0, 0FEh, Flags_BootAble
1333	dw 0 ; No Checksum :)
1334	db 0, 1, 0
1335	db 0, 1, 0 ; Location of Partition/Boot Record
1336	dd 0, 0
1337
1338	; 466 Sub-Part
1339	CFG_VIR_INT08 dd 0 ; pointer to saved 08h entry point
1340	CFG_VIR_INT13 dd 0 ; pointer to saved 13h entry point
1341	CFG_VIR_INT1C dd 0 ; pointer to saved 1Ch entry point
1342
1343	; 478 Boundry
1344	; This entry is also 34 bytes long
1345	FloppyIPTentry: db 0, 0, 0, 0, 'FloppyDrive'
1346	db 0, 0FFh, Flags_BootAble
1347	dw 0 ; No Checksum :)
1348	db 0, 1, 0
1349	db 0, 1, 0 ; Location of Partition/Boot Record
1350	dd 0, 0
1351	;---------------------------------------------------------------------------
1352
1353	eosvs:
1354
1355	; Check for overlap
1356	slack07 = sos56 - eosvs
1357	IF slack07 LT 0
1358	.ERR2 "Location Overlap slack07 !"
1359	ENDIF
1360
1361
1362	;org 06E00h ; Sector 56-57
1363	org image_size - 0a00h - (image_size - image_size_60secs)
1364	sos56:
1365
1366
1367
1368	; Rousseau: This is the start of the AiR-BOOT IPT
1369
1370	PartitionTable: ; no-partitions detected... :]
1371	; db 1, 0, 0, 0, 'Harddisc 1'
1372	; db 0, 0FFh, Flags_BootAble
1373	; dw 0 ; No Checksum :)
1374	; db 0, 0, 1
1375	; db 0, 0, 1 ; Location of Partition/Boot Record
1376	; dd 0, 0
1377
1378	; Format is:
1379	;============
1380	; SerialNumber * 4
1381	; PartitionName * 11
1382	; Drive * 1
1383	; SystemID * 1 (means the partition type)
1384	; Flags * 1
1385	; Checksum * 2 (for virus checking)
1386	; LocationBegin * 3 (where the partition begins)
1387	; LocationPartTab * 3 (where the partition table is)
1388	; AbsoluteBegin * 4 (where the partition begins, in absolute sectors)
1389	; AbsolutePartTab * 4 (where the partition table is, in absolute sectors)
1390	; --------------------> 34 Bytes (total maximum partition-entries = 30)
1391
1392	db (partition_count * 34) dup ('P')
1393
1394	eos56:
1395
1396	; Check for overlap
1397	slack08 = eoiptsig - eos56
1398	IF slack08 LT 0
1399	.ERR2 "Location Overlap slack08 !"
1400	ENDIF
1401
1402
1403	;org 071F6h
1404	org image_size - 600h - (image_size - image_size_60secs) / 2 - 0ah
1405	soiptsig:
1406	db 'AiRBOOTPAR' ; 1K internal partition table
1407
1408
1409
1410	eoiptsig:
1411
1412	; Check for overlap
1413	slack09 = soipt - eoiptsig
1414	IF slack09 LT 0
1415	.ERR2 "Location Overlap slack09 !"
1416	ENDIF
1417
1418	;---------------------------------------------------------------------------
1419	;org 07200h ; Sector 58
1420	org image_size - 600h - (image_size - image_size_60secs) / 2 ; Sector 58
1421	soipt:
1422	sos58:
1423
1424	HidePartitionTable: db (partition_count * 30) dup (0FFh)
1425	; Format is:
1426	;============
1427	; PartitionPtr : BYTE * 30
1428	; --------------------> 30 Bytes * 30
1429
1430	DriveLetters: db partition_count dup (0)
1431	; Format is:
1432	;============
1433	; Drive-Letter : BYTE (80h-C:, 81h-D:)
1434	; --------------------> 1 Byte * 30
1435	eos58:
1436	eoipt:
1437
1438	; Check foroverlap
1439	slack10 = sohidsig - eoipt
1440	IF slack10 LT 0
1441	.ERR2 "Location Overlap slack10 !"
1442	ENDIF
1443
1444
1445
1446	;org 075F6h
1447	org image_size - 200h -0ah
1448
1449	sohidsig:
1450	db 'AiRBOOTHID' ; 1K internal Hide-partition table
1451
1452	eohidsig:
1453
1454	; Check for overlap
1455	slack11 = sohid - eohidsig
1456	IF slack11 LT 0
1457	.ERR2 "Location Overlap slack11 !"
1458	ENDIF
1459
1460
1461
1462
1463	;---------------------------------------------------------------------------
1464	;org 07600h ; Sector 60
1465	org image_size - 200h ; Sector 60
1466	sohid:
1467	sos60:
1468	MBR_BackUpMBR db 'AiR-BOOT MBR-BackUp - Just to fill this sector with something',0
1469	AirBootRocks db 'AiR-BOOT Rocks!',0
1470
1471	eos60:
1472	eohid:
1473
1474	; Check for overlap
1475	slack12 = eoab - eohid
1476	IF slack12 LT 0
1477	.ERR2 "Location Overlap slack12 !"
1478	ENDIF
1479
1480
1481	;org 077FEh
1482	org image_size - 2
1483	dw 0BABEh
1484	;dw 0
1485	;BIOS_AuxParms dw BIOS_AuxParmsDefault ; Initialized at start when developing
1486
1487	eoab:
1488
1489	;
1490	; Rousseau:
1491	; End of AiR-BOOT code and data.
1492	;
1493
1494
1495	;
1496	; Rousseau:
1497	; Below functions like a BSS segment, thus uninitialized data.
1498	;
1499	sobss:
1500	;---------------------------------------------------------------------------
1501	org 0A000h ; Uninitialized
1502	; This space actually gets initialized in PreCrap to NUL (till EndOfVariables)
1503	BeginOfVariables:
1504	PartitionSector db 512 dup (?) ; Temporary Sector for Partition
1505	LVMSector: db 512 dup (?) ; Temporary Sector for LVM
1506	TmpSector: db 512 dup (?) ; Temporary Sector
1507
1508	; Everything used to build a new IPT and reference it to the old one
1509	NewPartTable: db 1536 dup (?) ; New Partition Table
1510	NewHidePartTable: db partition_count * 30 dup (?) ; New Hide-Partition Table
1511	NewDriveLetters: db partition_count dup (?) ; Logical Drive-Letters
1512
1513	PartitionSizeTable: db partition_count * 6 dup (?) ; Size-Table (6 bytes per partition)
1514	PartitionPointers dw 52 dup (?) ; Maximum is 52 entries till now
1515	PartitionPointerCount db ? ; Count of total Partition Pointers
1516	PartitionXref db partition_count dup (?) ; X-Reference Table
1517	PartitionVolumeLetters db partition_count dup (?) ; Volume-Letters
1518	; 0 - no LVM support
1519	; 1 - LVM support, but no letter
1520	; 'C'-'Z' - assigned drive letter
1521
1522	TotalHarddiscs db ? ; Total harddrives (by POST)
1523	LBASwitchTable db 128 dup (?) ; Bit 25-18 for CHS/LBA Switching
1524	NewPartitions db ? ; Freshly found partitions ; Independent of SaveConfiguration
1525
1526	VideoIO_Segment dw ? ; Segment for Video I/O
1527
1528	ExtendedAbsPos dd ? ; Extended Partition Absolute Position
1529	ExtendedAbsPosSet db ? ; If Absolute Position set
1530
1531	CurPartition_Location dw 4 dup (?) ; Where did current partition came from?
1532	CurIO_UseExtension db ? ; 1-Use INT 13h EXTENSIONS
1533	; (filled out by PreCrap)
1534	CurIO_Scanning db ? ; 1-AiR-BOOT is scanning partitions
1535	; (for detailed error message)
1536
1537	; [Linux support removed since v1.02]
1538	;GotLinux db ? ; 1-Linux found
1539
1540	Menu_EntrySelected db ? ; Which partition we boot this time...
1541	Menu_UpperPart db ? ; Which number (Base=0) is the partition upper pos
1542	Menu_AbsoluteX db ? ; Pos where Menu stuff starts
1543	Menu_TotalParts db ? ; Copy of CFG_BootParts
1544	Menu_TotalLines db ? ; Total Lines on Screen used for BootMenu
1545	Menu_EntryDefault db ? ; Default Entry in filtered View
1546	Menu_EntryLast db ? ; LastBooted Entry in filtered View
1547	Menu_EntryAutomatic db ? ; Automatic Entry in filtered View
1548	; - All adjusted to menu locations
1549
1550	PartSetup_UpperPart db ? ; Partition-Setup (like Menu_UpperPart)
1551	PartSetup_ActivePart db ? ; Active Partition
1552	PartSetup_HiddenUpper db ? ; (like Menu_UpperPart)
1553	PartSetup_HiddenX db ? ; Pos for Hidden-Setup
1554	PartSetup_HiddenAdd db ? ; Adjust for Hidden-Setup
1555
1556	TimedBootEnable db ? ; Local Enable/Disable for timed boot
1557	TimedTimeOut dd ? ; TimeOut Timer for TimedBoot (too much time here ;)
1558	TimedSecondLeft db ? ; How many seconds are left till boom ?
1559	TimedSecondBack db ? ; To get a modification noticed
1560	TimedBootUsed db ? ; Timed Boot used for bootup ?
1561	FloppyGetNameTimer dd ? ; Timer for Floppy-Get-Name
1562	SETUP_KeysOnEntry db ? ; which Shift Status was there, when booting ?
1563	SETUP_ExitEvent db ? ; Exit Event to end SETUP
1564	TempPasswordEntry db 17 dup (?)
1565	SETUP_OldPwd db 17 dup (?)
1566	SETUP_NewPwd db 17 dup (?)
1567	SETUP_VerifyPwd db 17 dup (?)
1568	StartSoundPlayed db ?
1569	ChangePartNameSave db ?
1570
1571	FX_UseCount dw ?
1572	FX_OverallTimer dw ?
1573	FX_WideScrollerTimer dw ?
1574	FX_WideScrollerCurPos dw ?
1575	FX_WideScrollerSpeed db ?
1576	FX_WideScrollerSpeedState db ?
1577	FX_WideScrollerDirection db ?
1578	FX_WideScrollerAbsDirection db ?
1579	FX_WideScrollerBounceSpeed db ?
1580	FX_CooperBarsTimer dw ?
1581
1582	; [Linux support removed since v1.02]
1583	;FAT16_Drive db ? ; FAT-16: Drive of FAT16-partition
1584	;FAT16_AbsPartitionBegin dd ? ; FAT-16: LBA Begin of Partition
1585	;FAT16_SecsPerCluster db ? ; FAT-16: Sectors Per Cluster
1586	;FAT16_NumOfRootEntries dw ? ; FAT-16: Number of Root Entries
1587	;FAT16_SecsPerFAT dw ? ; FAT-16: Sectors Per FAT
1588	;FAT16_AbsFATBegin dd ? ; FAT-16: LBA Begin of FAT
1589	;FAT16_AbsRootBegin dd ? ; FAT-16: LBA Begin of Root
1590	;FAT16_AbsClusterBegin dd ? ; FAT-16: LBA Begin of Clusters
1591	;FAT16_FATCacheSector db ? ; FAT-16: FAT-Sector No in Cache
1592	;FAT16_FATCache db 512 dup (?) ; FAT-16: FAT-Area Cache
1593	;
1594	;LINUX_KernelEntries db 680 dup (?) ; 34*20 -> Space for Kernel-Entries
1595	;LINUX_KernelNo db ? ; Total of Kernels in KernelEntries
1596	;LINUX_KernelSizeTable db 120 dup (?) ; Size-Table (6 bytes per kernel)
1597	;EndOfVariables:
1598
1599	; Dynamically Generated Tables - do not need to get initialized with NUL
1600	FX_CooperColors db 672 dup (?) ; 7 cooper bars*96 - runtime calculated
1601	FX_CooperState: db 7 dup (?)
1602	FX_SinusPos: db 7 dup (?)
1603	FX_CooperPos: dw 7 dup (?)
1604	CharsetTempBuffer db 4096 dup (?) ; Uninitialized Charset buffer
1605	LVM_CRCTable: dd 256 dup (?) ; LVM-CRC (->SPECiAL\LVM.asm)
1606
1607
1608
1609	;
1610	; Rousseau: added some stuff.
1611	;
1612
1613
1614	;EVEN
1615	HugeDisk db MaxDisks dup(?)
1616	TrueSecs dd MaxDisks dup(?)
1617
1618	; BIOS geometry of the boot-drive
1619	; Note that heads cannot be 256 due to legacy DOS/BIOS bug
1620	; If Int13X is supported those values are used, otherwise the legacy values.
1621	BIOS_Cyls dd MaxDisks dup(?)
1622	BIOS_Heads dd MaxDisks dup(?)
1623	BIOS_Secs dd MaxDisks dup(?)
1624	BIOS_Bytes dw MaxDisks dup(?)
1625	BIOS_TotalSecs dq MaxDisks dup(?)
1626
1627	; LBA geometry of the boot-drive
1628	; Note that these values are taken from the BPB of a partition boot-record
1629	LVM_Cyls dd MaxDisks dup(?)
1630	LVM_Heads dd MaxDisks dup(?)
1631	LVM_Secs dd MaxDisks dup(?)
1632	LVM_Bytes dw MaxDisks dup(?)
1633	LVM_TotalSecs dq MaxDisks dup(?)
1634
1635	; OS/2 geometry of the boot-drive
1636	; Note that these values are taken from the BPB of a partition boot-record
1637	LOG_Cyls dd MaxDisks dup(?)
1638	LOG_Heads dd MaxDisks dup(?)
1639	LOG_Secs dd MaxDisks dup(?)
1640	LOG_Bytes dw MaxDisks dup(?)
1641	LOG_TotalSecs dq MaxDisks dup(?)
1642
1643	; Rousseau: moved here
1644	EndOfVariables:
1645
1646	; Temporary buffer for 48h INT13X bios call
1647	; Word aligned
1648	;even
1649	;align 2
1650
1651	;db 1 dup(?)
1652
1653	i13xbuf dw 1 dup (?) ; Size of the buffer; this param must be present. Code inserts it.
1654	db 126 dup(?) ; The buffer itself.
1655	i13xbuf_size = $-offset i13xbuf-2 ; Size of buffer (excluding the size word at the start).
1656
1657	eobss:
1658
1659
1660	code_seg ends
1661	end air_boot

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