6 $basename= @ARGV ? $ARGV[0] : 'safety';
7 die if $basename =~ m/^\-/;
8 $basename =~ s/\.wiring$//;
10 our ($mistakes, $currentline);
16 # $segs{$seg}{FeatCount} does not include Fixed
17 # $segs{$seg}{Feats}{$pt}{Kind} Point or Fixed
18 # $segs{$seg}{Feats}{$pt}{Weight} ) for Point only
19 # $segs{$seg}{Feats}{$pt}{Posns} ) for Point only
20 # $segs{$seg}{Feats}{$pt}{BoOb}[] ) for Point only
21 # $segs{$seg}{Feats}{$pt}{Fixed} position, for Fixed only
24 # $segs{$seg}{Ends}[$combpos][$end] = [ $node,$side ]
25 # $segs{$seg}{Dist}[$combpos]
28 # $nodes{$node}[$side]{Seg}
29 # $nodes{$node}[$side]{End}
31 our ($maxptixln2) = 5;
33 our ($nextboardnum,@boardtype,%numboards,$nreverses,@sensesin,@sensesbase);
34 our (@objkinds,%pin_used);
35 # @boardtype[$boardnum]
39 # $sensesbase[$boardnum]= ($page << 7) | $baselsbyte
40 # %pin_used{$objkind}[$objnum] = [ $boardnum, $pin_info, $objonboard ]
44 @objkinds= qw(pt sense reverse);
46 our (%kind_count,%pin_info); # from BOARD.pin-info
48 our ($mode,$invertible);
53 mistake("first input line does not determine phase");
57 our (%syntaxerror_once);
58 return if exists $syntaxerror_once{$mode};
59 $syntaxerror_once{$mode}= 1;
60 mistake("syntax error");
66 print STDERR "ditching $m\n";
69 sub begin_points () { }
71 my ($seg,$pt,@boob,$bodef);
72 m,^\s+(\w+)/([A-Za-z]+)\s+((\d+)\.\d+)\s+(\d*\.\d+)$, or
74 ($seg,$pt,$boob[0],$bodef,$boob[1])=($1,$2,$3,$4,$5);
75 $boob[1] =~ s/^\./$bodef./;
76 mistake("unknown wiring for $seg in $seg/$pt") unless exists $segs{$seg};
77 mistake("duplicate wiring for $seg/$pt") if exists $segs{$seg}{Feats}{$pt};
78 $segs{$seg}{Feats}{$pt}= {
80 Weight => $segs{$seg}{Posns},
82 BoOb => [ map { pa_boob($_) } @boob ]
84 $segs{$seg}{Posns} *= 2;
85 $segs{$seg}{FeatCount}++;
88 sub begin_fixed () { }
91 m,^\s+(\w+)/([A-Za-z]+)(\d+)$, or return syntaxerror();
92 ($seg,$pt,$pos)=($1,$2,$3);
93 mistake("unknown wiring for $seg in $seg/$pt") unless exists $segs{$seg};
94 mistake("duplicate fixed $seg/$pt") if exists $segs{$seg}{Feats}{$pt};
95 $segs{$seg}{Feats}{$pt}= {
101 sub begin_segment () { }
102 sub line_segment () {
104 m/^\s+(\w+)\s+(\d+\.\d+)$/ or return syntaxerror();
105 ($seg,$boob)=($1,$2);
106 mistake("duplicate topology for $seg") if exists $segs{$seg};
108 BoOb => pa_boob($boob),
116 sub begin_endwiring () {
119 sub begin_boards () {
123 m/^\s+(\d+)\s+(\w+)$/ or return syntaxerror();
124 ($num,$type)=($1,$2);
125 mistake("board $num when expected $nextboardnum")
126 if $num != $nextboardnum;
129 $boardtype[$num]= $type;
131 require "./$type.pin-info";
133 my ($sense_count, $page);
134 $sense_count= $kind_count{$type}{'sense'};
136 $sensesin[$page] + $sense_count > 128;
138 mistake("too many senses for encoding scheme")
141 if $page > $#sensesin;
143 $sensesbase[$num]= ($page << 7) | $sensesin[$page];
144 $sensesin[$page] += $sense_count;
146 &{"line_boards_$type"}($num);
149 sub line_boards_reversers {
152 for ($i=0; $i<6; $i++) {
153 $objnum= boob2objnum($num,$i,'reverse',0);
154 $nreverses= $objnum+1 if $objnum >= $nreverses;
157 sub line_boards_detectors { }
161 print STDERR "mistake: $m\n in $mode, \`$currentline'\n";
165 sub line_endwiring () {
166 my (@ns,$seg,$subspec,$dist);
167 my ($segr,@subsegil,$feat,$pos,$featr,$combpos,%featposwant);
168 my ($end,$node,$side,$nsr,$endposr);
169 m,^\s*segment\s+(\w+\.\d+)\s+(\w+\.\d+)\s+(\w+)(?:/((?:[A-Za-z]+\d+)+)\*\d+)?\s+([0-9.]+)$, or return syntaxerror();
170 ($ns[0],$ns[1],$seg,$subspec,$dist)=($1,$2,$3,$4,$5);
171 if (!exists $segs{$seg}) {
172 ditch("unwired $seg$subspec");
176 @subsegil= defined $subspec ? $subspec =~ m/([A-Za-z]+)(\d+)/g : ();
178 ($feat,$pos,@subsegil) = @subsegil;
179 if (!exists $segr->{Feats}{$feat}) {
180 mistake("no wiring for $seg/$feat");
183 $featr= $segr->{Feats}{$feat};
184 if (exists $featr->{Fixed}) {
185 if ($pos != $featr->{Fixed}) {
186 ditch("fixed-elsewise $seg$subspec");
190 mistake("position $seg/$feat$pos exceeds wiring")
191 unless $pos < $featr->{Posns};
192 $featposwant{$feat}= $pos;
196 for $feat (keys %{ $segr->{Feats} }) {
197 $featr= $segr->{Feats}{$feat};
198 next if exists $featr->{Fixed};
199 mistake("wiring $seg/$feat not covered by $seg/$subspec")
200 if !exists $featposwant{$feat};
201 $combpos += $featposwant{$feat} * $featr->{Weight};
203 mistake("duplicate topology for $seg/$subspec")
204 if defined $segs{$seg}{Dist}[$combpos];
205 $segs{$seg}{Dist}[$combpos]= $dist;
206 $endposr= $segr->{Ends}[$combpos];
207 die "$seg $combpos @$endposr ?" if defined $endposr && @$endposr;
208 for ($end=0; $end<2; $end++) {
209 $ns[$end] =~ m/^([a-z]\w+)\.([01])$/;
210 ($node,$side)=($1,$2);
211 $nsr= $nodes{$node}[$side];
212 if (!exists $nsr->{Seg}) {
213 $nodes{$node}[$side]= { Seg => $seg, End => $end };
215 $seg eq $nsr->{Seg} or
216 mistake("topology for $node.$side both $seg and $nsr->{Seg}");
217 $end == $nsr->{End} or
218 mistake("topology for $node.$side $seg both ends ($end".
219 " and also $nsr->{End})");
221 $segr->{Ends}[$combpos][$end]= [ $node, $side ];
226 print STDOUT $_[0] or die $!;
231 if ($boob !~ m/^([1-9]\d*|0)\.([1-9]\d*|0)$/) {
232 mistake("invalid board object $boob");
238 # boob2objnum_KIND($boardnum,$objnum,$boardtype,$mkused
239 # -> global object number
242 my ($boardnum,$obj)=@_;
243 mistake("point encoding out of range") if
244 $boardnum >= (1 << (10 - $maxptixln2));
245 die if $obj >= (1 << $maxptixln2);
246 return ($boardnum << $maxptixln2) | $obj;
249 sub boob2objnum_reverse {
250 my ($boardnum,$obj,$boardtype)=@_;
252 # Converts board and object number (in canonical pic number plus
253 # and reverse0...reverse5 as seen on pinout diagrams), to
254 # object number for POLARITY command numbered as shown in
257 # There are three basic stages:
259 # * We invert the on-board mapping; ie, we untangle the
260 # tangling between the message from master to slave pic
261 # and the actual pins (see reverse.asm, polarity_do_here)
263 # * We figure out which bit of which message byte the
264 # object corresponds to. (see reverse.asm, polarity_decode_message)
266 # * We compute the README.protocol bit and byte number.
268 my ($cycle,$boardincycle,$cyclebasebyte,$byte,$bit);
269 die unless $boardtype eq 'reversers';
270 die $obj if $obj > 5;
271 $obj = sprintf '%d', $obj;
272 $obj =~ y/302154/543210/; # mapping due to polarity_do_here
273 $cycle= int(($boardnum+3) / 7);
274 $boardincycle= ($boardnum+3) - $cycle*7;
275 $cyclebasebyte= $cycle*6 - 2;
276 if ($boardnum==2 && $obj > 2) {
277 $byte= 0; $bit= $obj-3;
278 return 3 - $bit; # only these three in byte 0, a special case
279 } elsif ($boardincycle<5) {
280 $byte= $cyclebasebyte + $boardincycle; $bit= $obj;
281 } elsif ($boardincycle==6) {
282 $byte= $cyclebasebyte + 5; $bit= $obj;
283 } elsif ($boardincycle==5) {
284 $byte= $cyclebasebyte + 5 - $bit; $bit= 6;
288 return $byte*7 + 3 - $bit;
291 sub boob2objnum_sense {
292 my ($boardnum,$obj)=@_;
294 $inpage= $obj + $sensesbase[$boardnum];
295 die if $inpage > 127;
296 return ($boardnum << 7) | $inpage;
299 sub boob2objnum ($$$$) {
300 my ($boardnum,$obj,$kind,$mkused) = @_;
302 $type= $boardtype[$boardnum];
303 return &{"boob2objnum_$kind"}($boardnum,$obj,$type,$mkused);
306 sub boob_used ($$$) {
307 my ($boardnum,$obj,$kind) = @_;
309 $objnum= boob2objnum($boardnum, $obj, $kind, 0);
310 return $pin_used{$kind}[$objnum];
313 sub boob_used_bit ($$$) {
314 my ($boardnum,$obj,$kind) = @_;
315 return defined boob_used($boardnum,$obj,$kind) ? 1 : 0;
319 my ($kind,$mkused,$bo) = @_;
322 my ($board,$obj)= @$bo;
323 my ($objnum,$type,$pi);
324 mistake("unknown board number $board")
325 unless defined $boardtype[$board];
326 $type= $boardtype[$board];
327 $pi= $pin_info{$type}{$kind};
328 mistake("object reference $kind $board.$obj out of range for".
330 unless defined $pi->[$obj];
331 $objnum= boob2objnum($board,$obj,$kind,$mkused);
332 $pin_used{$kind}[$objnum]= [ $board, $pi->[$obj], $obj ]
334 return sprintf("%4d /* %d.%-2d*/", $objnum, $board, $obj);
336 return " 0 /*none*/ ";
340 sub so_objboob ($$$) {
341 my ($kind,$mkused,$obj) = @_;
342 return so_boob($kind,$mkused, defined $obj ? $obj->{BoOb} : undef);
353 if (m/^(invertible|vanilla|points|fixed|endwiring|boards)$/) {
355 $invertible= ($mode eq 'invertible');
356 $mode= 'segment' if $mode =~ m/^(?:vanilla|invertible)$/;
367 $p =~ s/\d{1,6}/ sprintf "%06d%d",$&,$& /ge;
372 my (@segs,$segn,$seg,$segr,$pt,$ptv, $delim);
373 my ($comb,$pi,$feat,$featr,$end,$boob);
374 my ($node,$side,$otherend,$nodeotherside,$otherseg,$otherbackrelus);
375 o("/* autogenerated - do not edit */\n\n");
377 for $seg (sort { nummap($a) cmp nummap($b) } keys %segs) {
378 $segs{$seg}{Num}= @segs;
382 "#define NUM_TRAINS 1000000\n".
383 "#define NUM_SEGMENTS %s\n\n".
384 "#include \"layout-data.h\"\n\n",
386 foreach $seg (@segs) {
389 o("static const SegPosCombInfo spci_${seg}"."[]= {");
391 for ($comb=0; $comb < $segr->{Posns}; $comb++) {
393 foreach $feat (keys %{ $segr->{Feats} }) {
394 $featr= $segr->{Feats}{$feat};
395 next if exists $featr->{Fixed};
396 $pi.= sprintf("%s%d", $feat,
397 ($comb / $featr->{Weight}) % $featr->{Posns});
400 o(sprintf " { %-8s %4d",
401 '"'.$seg.(length $pi ? '/' : '').$pi.'",',
402 $segr->{Dist}[$comb]);
403 for ($end=0; $end<2; $end++) {
405 $otherend= $segr->{Ends}[$comb][$end];
406 defined $otherend or die "$seg $comb $end ?";
407 ($node,$side) = @$otherend;
408 $nodeotherside= $nodes{$node}[1-$side];
409 if (defined $nodeotherside) {
410 $otherseg= $nodeotherside->{Seg};
411 $otherbackrelus= $nodeotherside->{End} ^ $end ^ 1;
412 o(sprintf "/*%5s.%d %-5s*/ %d,%3d",
414 ($otherbackrelus?'-':' ').$otherseg,
416 $segs{$otherseg}{Num});
418 o(sprintf "/*%5s.%d*/ 0,NOTA(Segment)",
428 next unless $segr->{FeatCount};
430 for $pt (keys %{ $segr->{Feats} }) {
431 $ptv= $segr->{Feats}{$pt};
432 next if exists $ptv->{Fixed};
433 o("static const BoardObject mfbo_${seg}_${pt}"."[]= {");
435 foreach $boob (@{ $ptv->{BoOb} }) {
437 o(so_boob('pt',1, $boob));
443 o("static const MovFeatInfo mfi_${seg}"."[]= {");
445 for $pt (keys %{ $segr->{Feats} }) {
446 $ptv= $segr->{Feats}{$pt};
447 next if exists $ptv->{Fixed};
449 o(" { \"$seg/$pt\", mfk_".lc($ptv->{Kind}).",".
450 " $ptv->{Posns}, $ptv->{Weight}, mfbo_${seg}_$pt }");
455 o("const SegmentNum info_nsegments=NUM_SEGMENTS;\n");
456 o("const SegmentInfo info_segments[NUM_SEGMENTS]= {");
458 foreach $seg (@segs) {
461 o(sprintf " { %-7s %d, %2d,%-9s %3d,%-10s %-6s,%-6s }",
462 "\"$seg\",", $segr->{Inv},
463 $segr->{FeatCount}, ($segr->{FeatCount} ? "mfi_$seg," : '0,'),
464 $segr->{Posns}, "spci_$seg,",
465 so_objboob('sense',1, $segr),
466 so_objboob('reverse',1, $segr->{Inv} ? $segr : undef));
475 my ($sec,$docstring) = @_;
480 sub o_section_end_fill ($$$) {
481 my ($lastnumdone, $fillvalue, $entrysize) = @_;
482 if ($entrysize == 1 and $lastnumdone & 1) {
483 o(", $fillvalue & 0xff\n");
488 o(sprintf " fill %s, %d*(maxpics-%d)\n\n",
489 $fillvalue, $entrysize, $lastnumdone);
493 my ($ix,$every) = @_;
494 $every=16 unless defined $every;
495 o(($every ? $ix % $every : $ix) ? ',' : "\n db ");
500 o_section('pic2detinfo',<<'END');
501 ; Table indexed by pic no., giving information about sensing
502 ; Each element is two bytes:
503 ; 1st byte bit 7 Set iff this board exists for the purposes of sensing
504 ; bits 6-3 Not used, set to zero
505 ; bits 2-0 Top 3 bits of sense segment numbers on this board
506 ; 2nd byte bit 7 Set iff this board is a Detectors board
507 ; bits 6-0 Base for bottom 7 bits of segment number
508 ; (per-board segment no. is added to this; carry
509 ; to upper 3 bits is not permitted)
511 o("SenseExists equ 0x80\n".
512 "Detectors equ 0x80\n".
513 "Reversers equ 0x00\n\n");
514 for ($num=0; $num<@boardtype; $num++) {
515 if (!defined $boardtype[$num]) { o(" dw 0\t\t\t\t; $num\n"); next; }
516 $base= $sensesbase[$num];
517 o(sprintf " db SenseExists | 0x%02x, %12s | 0x%02x\t; %d\n",
518 $base >> 7, ucfirst($boardtype[$num]), $base & 0x7f, $num);
520 o_section_end_fill($num, 0, 2);
524 my ($num, $elemsize, $byte, $bit, $objnum);
525 o_section('picno2ptmap',<<'END');
526 ; Bitmap indexed first by pic no, and then by point no. on that board,
527 ; saying whether the point is present or not. Each pic has 4 bytes,
528 ; ie 32 bits. First byte is points 0 to 7, in bits 0 to 7 respectively
529 ; so that MSbit of byte 3 (4th byte) is point no.31. Unused boards
530 ; or boards with no points are all-bits-0.
532 for ($num=0; $num<@boardtype; $num++) {
533 if (!defined $boardtype[$num]) { o(" dw 0\t\t\t\t; $num"); next; }
534 die if $maxptixln2 < 4; # must be whole no. of 16-bit words
535 $elemsize= 1 << ($maxptixln2-3);
536 for ($byte=0; $byte < $elemsize; $byte++) {
539 for ($bit=7; $bit>=0; $bit--) {
540 o(boob_used_bit($num, $byte*8 + $bit, 'pt'));
547 o_section_end_fill($num, 0, $elemsize);
549 my($typeix,$type,$pt,$pi);
550 o_section('bkptix2portnumbitnum',<<"END");
551 ; Table giving physical ports and pins for points for each
552 ; kind of board. Index is point number (for reversers boards)
553 ; or point number + 2^$maxptixln2 (for detectors boards).
554 ; Value is one byte, either 0xff meaning that board type has
555 ; no such point, or top nybble being port number (0 for A, 1 for B,
556 ; etc.) and bottom nybble being bit number. Ie,
557 ; Index: 00Dppppp where D is 1 iff detectors board and p is pt ix
558 ; Value: 0ppp0bbb where p is port num and b is bit num; or 0xff
561 for ($typeix=0; $typeix<2; $typeix++) {
562 $type= qw(reversers detectors)[$typeix];
563 die $type unless $pin_info{$type};
565 for ($pt=0; $pt < (1 << $maxptixln2); $pt++) {
567 $pi= $pin_info{$type}{'pt'}[$pt];
569 $pi =~ m/^(\d)\,(\d)\,/ or die;
580 sub writeasm_reverse {
581 my ($num,$kc,$bit, @portae,$pu);
582 o_section('picno2revmasks',<<END);
583 ; Table listing which reversers are connected/enabled. Index is pic
584 ; number. Each entry is 2 bytes: mask for port A followed by mask for
585 ; port E. A 1 bit is a connected reverser. Both masks are 0 for
586 ; non-reversers boards.
588 for ($num=0; $num<@boardtype; $num++) {
590 $kc= $kind_count{$boardtype[$num]}{'reverse'};
591 for ($bit= $kc-1; $bit>=0; $bit--) {
592 $pu= boob_used($num, $bit, 'reverse');
594 $pu->[1] =~ m/^([04])\,\d,(0x\w{2})$/ or die;
595 push @{ $portae[!!$1] }, $2;
598 o(join(', ', map { @$_ ? join('|',@$_) : '0' } @portae));
599 o(sprintf " ; %d\n",$num);
601 o_section_end_fill($num, '0x0000', 2);
605 my ($k,$w,$i,@d,$or,$p,$portnum,$bit,$each);
606 close STDOUT or die $!;
607 open STDOUT, ">$basename+pindata.asm" or die $!;
608 o("; autogenerated - do not edit\n");
609 o(" include pindata.inc\n".