summaryrefslogtreecommitdiffstats
path: root/system.inc
blob: 045981d2a7f870dfed4f7b454906967173590c9b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
%
% Some basic definitions.
%
% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -


% some key codes
/keyEsc       0x0000001b def
/keyEnter     0x0000000d def
/keyTab       0x00000009 def
/keyShiftTab  0x00800009 def
/keyF1        0x3b000000 def
/keyF2        0x3c000000 def
/keyF3        0x3d000000 def
/keyF4        0x3e000000 def
/keyF5        0x3f000000 def
/keyF6        0x40000000 def
/keyF7        0x41000000 def
/keyF8        0x42000000 def
/keyF9        0x43000000 def
/keyF10       0x44000000 def
/keyF11       0x85000000 def
/keyF12       0x86000000 def
/keyHome      0x47000000 def
/keyUp        0x48000000 def
/keyPgUp      0x49000000 def
/keyLeft      0x4b000000 def
/keyRight     0x4d000000 def
/keyEnd       0x4f000000 def
/keyDown      0x50000000 def
/keyPgDown    0x51000000 def
/keyIns       0x52000000 def
/keyDel       0x53000000 def
/keyShiftF1   0x54000000 def
/keyShiftF2   0x55000000 def
/keyShiftF3   0x56000000 def
/keyShiftF4   0x57000000 def
/keyShiftF5   0x58000000 def
/keyShiftF6   0x59000000 def
/keyShiftF7   0x5a000000 def
/keyShiftF8   0x5b000000 def
/keyShiftF9   0x5c000000 def
/keyShiftF10  0x5d000000 def
/keyShiftF11  0x87000000 def
/keyShiftF12  0x88000000 def
/keyCtrlF1    0x5e000000 def
/keyCtrlF2    0x5f000000 def
/keyCtrlF3    0x60000000 def
/keyCtrlF4    0x61000000 def
/keyCtrlF5    0x62000000 def
/keyCtrlF6    0x63000000 def
/keyCtrlF7    0x64000000 def
/keyCtrlF8    0x65000000 def
/keyCtrlF9    0x66000000 def
/keyCtrlF10   0x67000000 def
/keyAltF1     0x68000000 def
/keyAltF2     0x69000000 def
/keyAltF3     0x6a000000 def
/keyAltF4     0x6b000000 def
/keyAltF5     0x6c000000 def
/keyAltF6     0x6d000000 def
/keyAltF7     0x6e000000 def
/keyAltF8     0x6f000000 def
/keyAltF9     0x70000000 def
/keyAltF10    0x71000000 def
/keyCtrlLeft  0x73000000 def
/keyCtrlRight 0x74000000 def
/keyCtrlEnd   0x75000000 def
/keyCtrlDown  0x76000000 def
/keyCtrlHome  0x76000000 def
/keyCtrlUp    0x84000000 def
/keyStatus    0xff000000 def

/statusAlt    0x0208 def
/statusAltL   0x0200 def
/statusAltR   0x0008 def
/statusCtrl   0x0104 def
/statusShift  0x0003 def

/CapsLock { 0x417 cvp getbyte 0x40 and 0 ne } def

% boot loader

% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% bootloader - boot loader type
%
% group: system
%
% ( -- int1 )
%
% int1: boot loader type (0: lilo, 1:syslinux/isolinux, 2: grub)
%
/bootloader sysconfig getbyte def

/lilo     bootloader 0 eq def
/syslinux bootloader 1 eq def
/grub     bootloader 2 eq def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% boot_failsafe - failsafe options the user selected (bitmask)
%
% group: system
%
% ( -- int1 )
%
% int1: option bitmask
%   bit 0: SHIFT pressed
%   bit 1: no graphics
%   bit 2: no monitor detection
%
/boot_failsafe sysconfig 3 add getbyte def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% bootdrive - drive the BIOS booted from
%
% group: system
%
% ( -- int1 )
%
% int1: BIOS drive id
%
/bootdrive sysconfig 5 add getbyte def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% mediatype - type of media we booted from
%
% group: system
%
% ( -- int1 )
%
% int1: media type (0 disk, 1 floppy, 2 cdrom)
%
/mediatype sysconfig 2 add getbyte def

/m_disk   0 def
/m_floppy 1 def
/m_cdrom  2 def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% biosmem - BIOS reported memory size
%
% group: mem
%
% ( -- int1 )
%
% int1: total memory size according to BIOS
%
/biosmem sysconfig 20 add getdword def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% sectorsize - sector size
%
% group: mem system
%
% ( -- int1 )
%
% int1: sector size in bytes
%
/sectorsize
  1
  sysconfig 1 add getbyte
  20 min	% max. 1 MB
  dup 0 eq { pop 9 } if
  shl
def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% getinfo - type of info box
%
% group: system
%
% ( int1 -- int2 )
%
% int1: type of info box we have to show
% int2: some data
%
% Note: really weird, should be replaced by something more obvious.
%
/getinfo {
  2 shl
  sysconfig 12 add exch add getdword
} def


% bool values
/true     0 0 eq def
/false    0 0 ne def

% type values
/t_none		 0 def
/t_int		 1 def
/t_unsigned	 2 def
/t_bool		 3 def
/t_string	 4 def
/t_code		 5 def
/t_ret		 6 def
/t_prim		 7 def
/t_sec		 8 def
/t_dict_idx	 9 def
/t_array	10 def
/t_end		11 def
/t_ptr		12 def

/.value { t_int settype } def
/.undef 0 t_none settype def
/.end 0 t_end settype def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Print string (for debugging).
%
% ( string ) ==> ( )
%
/string.print {
  dup
  currentpoint currentpoint 5 -1 roll strsize image moveto
  show
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Print number (for debugging).
%
% ( number ) ==> ( )
%
/number.print {
  32 string
  exch over
  "%08x" exch sprintf
  dup string.print
  free
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Print obj (for debugging).
%
% ( obj ) ==> ( )
%
/obj.print {
  64 string
  exch dup
  .value exch gettype
  "%x:%08x" 3 index sprintf
  dup string.print
  free
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Print (for debugging).
%
% ( obj ) ==> ( )
%
/print {
  dup gettype t_int eq { number.print return } if
  dup gettype t_string eq { string.print return } if
  obj.print
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Convert object to pointer.
%
% ( obj ) ==> ( ptr )
%
/cvp { t_ptr settype } def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Convert object to string.
%
% ( obj ) ==> ( string )
%
/cvs { t_string settype } def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Convert object to number.
%
% ( obj ) ==> ( int )
%
/cvn {
  dup gettype t_string eq {
    0 exch
    {
      '0' sub
      dup 0 lt over 9 gt or { pop exit } if
      exch 10 mul add
    } forall
  } {
    t_int settype
  } ifelse
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Arguments like snprintf.
%
% ( obj_1 ... obj_n string_1 string_2 ) ==> ( )
%
/sprintf {
  dup cvp length exch snprintf
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Allocate new string.
%
% ( size ) ==> ( string )
/string {
  1 add malloc cvs
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Increment variable.
%
% ( dict_ref ) ==> ( )
%
/inc {
  dup exec 1 add def
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Copy src to dst.
%
% Watch overlapping src & dst!
%
% ( dst src ) ==> ( dst )
%
/strcpy {
  "%s" 2 index sprintf
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Duplicate string.
%
% ( string ) ==> ( string )
%
/strdup {
  dup length string exch strcpy
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Concatenate strings.
%
% ( string1 string2 ) ==> ( string1 )
%
/strcat {
  over dup length add exch strcpy pop
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Test for AltGr.
%
% ( )  ==> ( bool )
%
/is_altGr {
  keystat statusAltR and 0 ne keystat statusAltL and 0 eq and
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Keyboard mapping.
%
% ( key ) ==> ( key )
%
/mapkey {
   dup 24 shr 0xff and /key.code exch def
   is_altGr {
     % bios is too smart...
     key.code 0x78 ge key.code 0x83 le and { /key.code key.code 0x76 sub def } if
   } if
   0 1 config.keymap length 1 sub {
     config.keymap exch get
     dup 0 get key.code eq {
       1
       keystat statusShift and { pop 2 } if
       is_altGr { pop 3 } if
       get
       exch pop
     } {
       pop
     } ifelse
   } for
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Set password mode font property.
%
% ( font ) ==> ( font )
%
/pwmode {
   dup gettype t_ptr eq {
     .value 0x80000000 or t_ptr settype
   } if
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Show string right aligned.
%
% ( string ) ==> ( )
%
/showright {
  dup strsize pop neg 0 rmoveto show
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Show string centered.
%
% ( string ) ==> ( )
%
/showcenter {
  dup strsize pop 2 div neg 0 rmoveto show
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Generate pseudo random number.
% Good enough for boot loader splash screen.
%
% ( ) ==> ( int )
%
/rand {
  rand.start 59 mul 97 add 0x7fffffff and
  /rand.start over def
} def

% start value
/rand.start time def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
%
% ( date ) ==> ( weekday )
%
/weekday {
  dup 8 shr 0xff and 1 sub
  dup 3 mul over 2 div sub
  exch 2 mul 0x11000a exch shr 3 and add
  over 0xff and 6 add add
  exch 16 shr add
  7 mod
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
%
% ( date ) ==> ( day )
%
/day {
  0xff and
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
%
% ( date ) ==> ( month )
%
/month {
  8 shr 0xff and
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
%
% ( date ) ==> ( year )
%
/year {
  16 shr
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
%
% Read CMOS RAM.
%
% ( index ) ==> ( value )
%
/nvram {
  0x70 exch outbyte
  0x71 inbyte
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% readsector - read sector
%
% group: system
%
% ( int1 -- ptr1 )
%
% int1: sector number
% ptr1: buffer with sector data or .undef. Use @free to free the buffer.
%
% Note: does not return on error. Returns .undef if function is not implemented.
%
/readsector {
  _readsector
  dup .undef eq { return } if

  sectorsize malloc dup rot over length memcpy
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% getgfxconfig - get gfxboot config file entry
%
% group: system
%
% ( str1 -- str2 )
%
% str1: key for config entry
% str2: config string (or .undef)
%
/getgfxconfig {
  gfxconfig.data .undef eq {
    "gfxboot.cfg" findfile dup .undef ne {
      dup dup length dup string dup cvp 4 2 roll memcpy exch free
    } {
      pop ""
    } ifelse

    /gfxconfig.data over '\n' split def free

  } if

  currenteotchar '=' seteotchar

  .undef

  gfxconfig.data {

    % overkill because string compare does not honor eotchar
    dup strdup dup 5 index eq {
      dup length exch free 1 add add exch pop exit
    } {
      free pop
    } ifelse

  } forall

  exch seteotchar exch pop

} def

/gfxconfig.data .undef def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% split - split string
%
% group:
%
% ( str1 int1 -- array1 )
%
% str1: string
% int1: char
% array1: array of strings
%
/split {

  currenteotchar exch seteotchar exch

  [ exch

    {
      dup length 0 gt {
        dup strdup exch
        dup length add
      } if

      dup cvp length 1 le { pop exit } if

      1 add

    } loop

  ]

  exch seteotchar

} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Skip leading non-spaces.
%
% ( string ) ==> ( string )
%
/skipnonspaces {
  { dup 0 get dup 0 ne exch ' ' ne and { 1 add } { exit } ifelse } loop
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Skip leading spaces.
%
% ( string ) ==> ( string )
%
/skipspaces {
  { dup 0 get ' ' eq { 1 add } { exit } ifelse } loop
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Drop spaces at string end.
% Modifies string!
%
% ( string ) ==> ( )
%
/dropspaces {
  dup length
  dup 0 eq {
    pop pop
  } {
    1 sub
    -1 0 {
      over over get ' ' eq { over exch 0 put } { pop exit } ifelse
    } for
    pop
  } ifelse
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Test if string[ofs-1]/string[ofs] is a word boundary.
%
% ( string ofs ) ==> ( true|false )
%
% boundary is either space/non-space or non-space/(space|'=')
%
/iswordboundary {
  dup 0 eq { pop pop true return } if

  add dup 1 sub 0 get exch 0 get

  over ' ' eq over ' ' gt and { pop pop true return } if
  over ' ' gt over dup ' ' eq exch dup '=' eq exch 0 eq or or and { pop pop true return } if

  pop pop false
} def


%% findmode - find video mode number
%
% group: gfx.screen
%
% ( int1 int2 int3 -- int4 )   
%
% int1, int2: width, height
% int3: color bits
% int4: mode number (or .undef)
%
% example
%   1024 768 16 findmode setmode        % 1024x768, 16-bit color mode
%
/findmode {
  0 1 videomodes {
    videomodeinfo dup .undef eq {
      pop pop pop pop
    } {
      % compare width, height, colors
      6 index 4 index eq 6 index 4 index eq and 5 index 3 index eq and {
        7 1 roll 6 { pop } repeat 0xbfff and return
      } {
        pop pop pop pop
      } ifelse
    } ifelse
  } for

  pop pop pop .undef
} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
%
% Replace substring. Returns newly allocated string.
%
% ( str key value ) ==> ( new_str )
%
% Replaces first occurence of 'key' in str with 'value'.
%
/strreplace {
  2 index 2 index strstr dup 0 ne {
    1 sub
    over length 3 index length sub 4 index length add string
    dup cvp 5 index cvp 3 index memcpy
    dup 6 1 roll over add exch 5 -1 roll exch add
    4 -1 roll length add 3 1 roll "%s%s" exch sprintf
  } {
    pop pop pop strdup
  } ifelse


} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Search for option in cmdline.
% Returns .undef if not found.
%
% ( cmdline option_name ) ==> ( option_start )
%
/bootopt.find {
  /bo.opt exch def
  /bo.cmdline exch def

  {
    bo.cmdline bo.opt strstr
    dup {
      dup 1 eq {
        true
      } {
        dup 2 sub bo.cmdline exch get ' ' eq
      } ifelse

      {
        bo.cmdline over bo.opt length add 1 sub get
        dup '=' eq
        over ' ' eq or
        exch 0 eq or
      } {
        false
      } ifelse

      bo.cmdline rot add exch

      {
        1 sub exit
      } {
        /bo.cmdline exch def
      } ifelse
    } {
      pop
      .undef exit
    } ifelse
  } loop

} def


% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% Search for second occurence of option in cmdline.
% Returns .undef if not found.
%
% ( cmdline option_name ) ==> ( option_start )
%
/bootopt.find2 {
  over over bootopt.find dup .undef eq {
    pop pop pop .undef
  } {
    1 add rot pop exch bootopt.find
  } ifelse
} def


% Remove option from cmdline. Returns removed option or .undef.
%
% cmdline is modified, option_entry is allocated dynamicyll and must be
% freed later.
%
% ( cmdline option_name -- option_entry )
%
/bootopt.remove {
  bootopt.find dup .undef ne {
    dup
    skipnonspaces dup skipspaces 2 index sub rot rot over sub string over strcpy
    rot rot
    {
      over over exch get
      over over 0 exch put {
        1 add
      } {
        exit
      } ifelse
    } loop
    pop pop
  } if
} def


% Test whether we run in Live-CD mode
%
% (  -- true|false )
%
/livecd {
  /livecd "livecd" getgfxconfig dup .undef ne { 0 ne } { pop false } ifelse def
  livecd
} def


% Mininum Live-CD memory in MB.
%
% (  -- int )
%
/livecd.mem.check {
  /livecd.mem.check "livecd.mem.check" getgfxconfig dup .undef ne { cvn } { pop 200 } ifelse def
  livecd.mem.check
} def


% Mininum Live-CD memory in MB we ask the user for.
%
% (  -- int )
%
/livecd.mem.show {
  /livecd.mem.show "livecd.mem.show" getgfxconfig dup .undef ne { cvn } { pop 256 } ifelse def
  livecd.mem.show
} def