Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 1 | print STDERR "DRC Expander - expands the DRC rules in MAGIC tech files and annotates the layers that might cause the DRC issues\n"; |
| 2 | |
| 3 | # Original tech file: |
| 4 | my $tech=$ARGV[0] || "/usr/local/lib/magic/sys/sky130A.tech"; |
| 5 | my $expand=0; |
| 6 | my $debug=0; |
| 7 | my $createrules=0; # Create code for rules instead of expanding the tech file |
| 8 | |
| 9 | print STDERR "Processing the original tech file: $tech\n"; |
| 10 | |
| 11 | #our %contacts=(); |
| 12 | our %alias=(); |
| 13 | |
| 14 | # Required DRC rules for SKY130: area,cifmaxwidth,edge4way,exact_overlap,extend,overhang,rect_only,spacing,surround,width |
| 15 | my $rules=<<EOF |
| 16 | surround types1 types2 distance presence error |
| 17 | widespacing types1 wwidth types2 distance flavor error |
| 18 | spacing types1 types2 distance adjacency error |
| 19 | width type-list width error |
| 20 | overhang types1 types2 distance error |
| 21 | extend types1 types2 distance error |
| 22 | rect_only types error |
| 23 | angles types allowed why |
| 24 | edge types1 types2 d OKTypes cornerTypes cornerDist error [plane] |
| 25 | edge4way types1 types2 d OKTypes cornerTypes cornerDist error [plane] |
| 26 | exact_overlap type-list |
| 27 | no_overlap type-list1 type-list2 |
| 28 | off_grid types pitch why |
| 29 | area types minarea minedge why |
| 30 | maxwidth layers mwidth [bends] why |
| 31 | cifwidth layer width why |
| 32 | cifspacing layer1 layer2 separation adjacency why |
| 33 | cifarea layer minarea minedge why |
| 34 | cifmaxwidth layer mwidth [bends] why |
| 35 | EOF |
| 36 | ; |
| 37 | |
| 38 | print STDERR "Extracting optional arguments:\n"; |
| 39 | my @erules=(); |
| 40 | foreach my $line(split "\n",$rules) |
| 41 | { |
| 42 | if($line=~m/\[/) |
| 43 | { |
| 44 | my $a=$line; $a=~s/\[\w+\]//; |
| 45 | my $b=$line; $b=~s/\[//; $b=~s/\]//; |
| 46 | #print "A: $a\nB: $b\n"; |
| 47 | push @erules,$a; |
| 48 | push @erules,$b; |
| 49 | } |
| 50 | else |
| 51 | { |
| 52 | #print "R: $line\n"; |
| 53 | push @erules,$line; |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | print STDERR "Handling rules:\n"; |
| 58 | foreach my $rule (@erules) |
| 59 | { |
| 60 | print STDERR " # Rule: $rule\n"; |
| 61 | my @a=split " ",$rule; |
| 62 | my $kind=shift @a; |
| 63 | #print "Kind:$kind\n"; |
| 64 | my $regexp="^\\s*($kind)"; |
| 65 | my @types=("zero","other"); |
| 66 | my @typelists=(); |
| 67 | foreach(@a) |
| 68 | { |
| 69 | $regexp.="\\s+"; |
| 70 | if($_=~m/^(types|type-list|layer|OKTypes)/) |
| 71 | { |
| 72 | $regexp.="(\\S+)"; |
| 73 | push @types,"type-list"; |
| 74 | } |
| 75 | elsif($_=~m/^(why|error)/) |
| 76 | { |
| 77 | $regexp.="\"([^\"]*)\""; |
| 78 | push @types,"why"; |
| 79 | } |
| 80 | else |
| 81 | { |
| 82 | $regexp.="(\\S+)"; |
| 83 | push @types,"other"; |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | next unless($createrules); |
| 88 | |
| 89 | $regexp.="\\s*\$"; |
| 90 | print " if(m/$regexp/)\n {\n"; |
| 91 | print ' print " # ORIGINAL RULE:$oneline\n";'."\n"; |
| 92 | foreach(2 .. scalar(@types)-1) |
| 93 | { |
| 94 | print " my \$vl$_=\$$_;\n" if($types[$_] eq "type-list"); |
| 95 | print " my \$l$_=join \" \",allLayers(\$vl$_);\n" if($types[$_] eq "type-list"); |
| 96 | # print " print STDERR \"L$_: \$vl$_ -> \$l$_\n\" if(\$debug);\n" if($types[$_] eq "type-list"); |
| 97 | print " my \$text=\$$_;\n" if($types[$_] eq "why"); |
| 98 | push @typelists,$_ if($types[$_] eq "type-list"); |
| 99 | } |
| 100 | print " print \" "; |
| 101 | foreach(1 .. scalar(@types)-1) |
| 102 | { |
| 103 | print "\$$_ " if($types[$_] eq "other"); |
| 104 | print "\$vl$_ " if($types[$_] eq "type-list"); |
| 105 | if($types[$_] eq "why") |
| 106 | { |
| 107 | print "\\\"\$$_ "; |
| 108 | #print "[erase ".join(",",@typelists)."]"; |
| 109 | foreach my $tl (@typelists) |
| 110 | { |
| 111 | print "[erase \$l$tl]"; |
| 112 | } |
| 113 | print "\\\""; |
| 114 | } |
| 115 | } |
| 116 | print "\\n\";\n"; |
| 117 | print " }\n"; |
| 118 | print "\n"; |
| 119 | # $1 $vl1 $vl2 $4 $5 \"$6 [erase $l1]".(($vl1 eq $vl2)?"":"[erase $l2]")."\"\n"; |
| 120 | |
| 121 | |
| 122 | } |
| 123 | |
| 124 | exit if($createrules); |
| 125 | |
| 126 | #magic: tech layers allli |
| 127 | # At first we are reading through the original tech file to search for all the virtual layers that need to be expanded |
| 128 | open IN,"<$tech"; |
| 129 | while(<IN>) |
| 130 | { |
| 131 | s/\\//g; |
| 132 | if(m/^\s*(spacing|surround)\s+(\S+)\s+(\S+)\s+/) |
| 133 | { |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 134 | my $a2=$2; |
| 135 | my $a3=$3; |
| 136 | $alias{$a2}=1; |
| 137 | $alias{$a3}=1; |
| 138 | foreach(split(",",$a2)) |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 139 | { |
| 140 | $alias{$_}=1; |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 141 | $alias{$1}=1 if(m/^([^\/]+)/); |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 142 | } |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 143 | foreach(split(",",$a3)) |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 144 | { |
| 145 | $alias{$_}=1; |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 146 | $alias{$1}=1 if(m/^([^\/]+)/); |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 147 | } |
| 148 | } |
Philipp Gühring | 4e696c9 | 2021-06-10 00:36:47 +0200 | [diff] [blame] | 149 | # Rule: width type-list width error |
| 150 | if(m/^\s*(width)\s+(\S+)\s+(\S+)\s+"([^"]*)"\s*$/) |
| 151 | { |
| 152 | $alias{$2}=1; |
| 153 | foreach(split(",",$2)) |
| 154 | { |
| 155 | $alias{$_}=1; |
| 156 | } |
| 157 | } |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 158 | } |
| 159 | close IN; |
| 160 | |
| 161 | |
| 162 | if($debug) |
| 163 | { |
| 164 | print STDERR "BEFORE:\n"; |
| 165 | foreach(sort keys %alias) |
| 166 | { |
| 167 | print STDERR "$_ -> $alias{$_}\n"; |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | # No we are asking magic what those virtual layers actually mean |
| 172 | if(open OUT,"|magic -dnull -noconsole -T $tech >magic.layers.out") |
| 173 | { |
| 174 | print OUT "puts \"CUT HERE -------- CUT HERE\"\n"; |
| 175 | foreach(sort keys %alias) |
| 176 | { |
| 177 | print OUT "puts \"EXPANDING: $_\"\n"; |
| 178 | print OUT "puts [tech layers $_]\n"; |
| 179 | } |
| 180 | print OUT "puts \"CUT HERE -------- CUT HERE\"\n"; |
| 181 | print OUT "quit -noprompt\n"; |
| 182 | close OUT; |
| 183 | |
| 184 | # Now we are retrieving the answer from Magic: |
| 185 | if(open IN,"<magic.layers.out") |
| 186 | { |
| 187 | while(<IN>) |
| 188 | { |
| 189 | if(m/^EXPANDING: (\S+)/) |
| 190 | { |
| 191 | my $next=<IN>; |
| 192 | chomp $next; |
| 193 | $alias{$1}=$next; |
| 194 | } |
| 195 | } |
| 196 | close IN; |
| 197 | } |
| 198 | else |
| 199 | { |
| 200 | die "Could not get the results from magic!\n"; |
| 201 | } |
| 202 | } |
| 203 | else |
| 204 | { |
| 205 | die "Could not run magic!\n"; |
| 206 | } |
| 207 | |
| 208 | |
| 209 | if($debug) |
| 210 | { |
| 211 | print STDERR "\n\nAFTER:\n"; |
| 212 | foreach(sort keys %alias) |
| 213 | { |
| 214 | print STDERR "$_ -> $alias{$_}\n"; |
| 215 | } |
| 216 | exit; |
| 217 | } |
| 218 | |
| 219 | open IN,"<$tech"; |
| 220 | |
| 221 | # This function expands a single layer-list into all the physical layers it means |
| 222 | sub allLayers($) |
| 223 | { |
| 224 | #if($_[0] !~ m/\//) # If we do not look for "images" (which are signalled by / in the typelist and are currently not supported by magic), then we can just use the whole typelist which is more efficient. |
| 225 | #{ |
| 226 | #return split " ",$alias{$_[0]} ; |
| 227 | #} |
| 228 | |
| 229 | my @a=split ",",$_[0]; |
| 230 | my %b=(); |
| 231 | foreach(@a) |
| 232 | { |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 233 | print STDERR "piece: $_\n" if($debug); |
| 234 | if(m/(\/\S+)/ && defined($alias{$_}) && $alias{$_}) |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 235 | { |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 236 | print STDERR "WE FOUND A SLASH AND AN ALIAS\n" if($debug); |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 237 | my $image=$1; |
| 238 | foreach my $part(split " ",$alias{$_}) |
| 239 | { |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 240 | print STDERR "PART: $part\n" if($debug); |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 241 | $b{$part.(($part =~ m/\//)?"":$image)}=1; |
| 242 | } |
| 243 | } |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 244 | elsif(m/^([^\/]+)(\/\S+)/) # This is a workaround for bugs in magic that hopefully get fixed |
| 245 | { |
| 246 | print STDERR "WE FOUND A SLASH BUT NO ALIAS\n" if($debug); |
| 247 | my $image=$2; |
| 248 | my $short=$1; |
| 249 | foreach my $part(split " ",$alias{$short}) |
| 250 | { |
| 251 | print STDERR "PART: $part\n" if($debug); |
| 252 | $b{$part.$image}=1; |
| 253 | } |
| 254 | } |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 255 | else |
| 256 | { |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 257 | print STDERR "NO SLASH OR ALIAS\n" if($debug); |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 258 | foreach my $part(split " ",$alias{$_}) |
| 259 | { |
| 260 | $b{$part}=1; |
| 261 | } |
| 262 | } |
| 263 | } |
| 264 | return sort keys %b; |
| 265 | } |
| 266 | |
| 267 | my $section=""; |
| 268 | our %drckind=(); |
| 269 | # Finally we are processing the whole tech file and annotating the rules: |
| 270 | while(<IN>) |
| 271 | { |
| 272 | while($_=~m/\\$/) |
| 273 | { |
| 274 | $_.=<IN>; |
| 275 | } |
| 276 | if(m/^(\w+)/) |
| 277 | { |
| 278 | $section=$1; |
| 279 | } |
| 280 | # if($section eq "contact" && m/^\s+(\w+)/) |
| 281 | #{ |
| 282 | # my $a=$_; |
| 283 | # $a=~s/^\s+//; $a=~s/\s+$//; |
| 284 | # my @a=split(/\s+/,$a); |
| 285 | # my $cont=shift(@a); |
| 286 | # foreach my $cnt(@a) |
| 287 | # { |
| 288 | # print STDERR "CONTACT: $cont -> $cnt\n"; |
| 289 | # $contacts{$cont}{$cnt}=1; |
| 290 | # $contacts{$cnt}{$cont}=1; |
| 291 | # } |
| 292 | #} |
| 293 | #if($section eq "aliases" && m/^\s+(\w+)/) |
| 294 | #{ |
| 295 | # my $a=$_; |
| 296 | # $a=~s/^\s+//; $a=~s/\s+$//; |
| 297 | # my @a=split(/\s+/,$a); |
| 298 | # my $cont=shift(@a); |
| 299 | # foreach my $cnt(@a) |
| 300 | # { |
| 301 | # print STDERR "ALIAS: $cont -> $cnt\n"; |
| 302 | # $alias{$cont}=$cnt; |
| 303 | # } |
| 304 | #} |
| 305 | my $oneline=$_; |
| 306 | $oneline=~s/\n//sg; |
| 307 | tr/\\//; |
| 308 | if($section eq "drc") |
| 309 | { |
| 310 | if(m/^\s*(\w+)/) |
| 311 | { |
| 312 | $drckind{$1}=1; |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | |
| 317 | if(m/^\s*(spacing|surround)\s+(\S+)\s+(\S+)\s+(\d+)\s+\\?\s*(\w+)\s+\\?\s*"([^"]+)"/) |
| 318 | { |
| 319 | #print " # ORIGINAL RULE:$oneline\n"; |
| 320 | my $vl1=$2; |
| 321 | my $vl2=$3; |
| 322 | my $text=$6; |
| 323 | my $l1=join " ",allLayers($vl1); |
| 324 | print STDERR "L1: $vl1 -> $l1\n" if($debug); |
| 325 | my $l2=join " ",allLayers($vl2); |
| 326 | print STDERR "L2: $vl2 -> $l2\n" if($debug); |
| 327 | |
| 328 | if($expand) |
| 329 | { |
| 330 | foreach my $layer1(allLayers($vl1)) |
| 331 | { |
| 332 | foreach my $layer2(allLayers($vl2)) |
| 333 | { |
| 334 | #print " $1 $layer1 $layer2 $4 $5 \"$6 [erase $layer1]".(($layer1 eq $layer2)?"":"[erase $layer2]")."\"\n"; |
| 335 | } |
| 336 | } |
| 337 | } |
| 338 | else |
| 339 | { |
| 340 | print " $1 $vl1 $vl2 $4 $5 \"$6 [erase $l1".(($vl1 eq $vl2)?"":",$l2")."]\"\n"; |
| 341 | } |
| 342 | #print "\n"; |
| 343 | } |
Philipp Gühring | 4e696c9 | 2021-06-10 00:36:47 +0200 | [diff] [blame] | 344 | # Rule: width type-list width error |
| 345 | elsif(m/^\s*(width)\s+(\S+)\s+(\S+)\s+"([^"]*)"\s*$/) |
| 346 | { |
| 347 | print " # ORIGINAL RULE:$oneline\n"; |
| 348 | my $vl2=$2; |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 349 | print STDERR "ALLLAYERS $vl2\n" if($debug); |
Philipp Gühring | a6f9fc0 | 2021-06-10 01:40:21 +0200 | [diff] [blame] | 350 | my $l2=join ",",allLayers($vl2); # For painting we need a different strategy to try each layer individually |
Philipp Gühring | bad0208 | 2021-06-10 01:19:55 +0200 | [diff] [blame] | 351 | print STDERR "INFO: vl2=$vl2 l2=$l2\n" if($debug); |
Philipp Gühring | 4e696c9 | 2021-06-10 00:36:47 +0200 | [diff] [blame] | 352 | my $text=$4; |
| 353 | print " $1 $vl2 $3 \"$4 [paint $l2]\"\n"; |
| 354 | } |
| 355 | |
| 356 | |
Philipp Gühring | 87f5752 | 2021-06-09 01:25:19 +0200 | [diff] [blame] | 357 | else |
| 358 | { |
| 359 | print $_; |
| 360 | } |
| 361 | } |
| 362 | close IN; |
| 363 | |
| 364 | print STDERR "".join(",", sort keys %drckind)."\n"; |