scripts/metadata.pl

   1 #!/usr/bin/perl
   2 use FindBin;
   3 use lib "$FindBin::Bin";
   4 use strict;
   5 use metadata;
   6
   7 my %board;
   8
   9 sub confstr($) {
  10         my $conf = shift;
  11         $conf =~ tr#/\.\-/#___#;
  12         return $conf;
  13 }
  14
  15 sub parse_target_metadata() {
  16         my $file = shift @ARGV;
  17         my ($target, @target, $profile);
  18         my %target;
  19
  20         open FILE, "<$file" or do {
  21                 warn "Can't open file '$file': $!\n";
  22                 return;
  23         };
  24         while (<FILE>) {
  25                 chomp;
  26                 /^Target:\s*(.+)\s*$/ and do {
  27                         my $name = $1;
  28                         $target = {
  29                                 id => $name,
  30                                 board => $name,
  31                                 boardconf => confstr($name),
  32                                 conf => confstr($name),
  33                                 profiles => [],
  34                                 features => [],
  35                                 depends => [],
  36                                 subtargets => []
  37                         };
  38                         push @target, $target;
  39                         $target{$name} = $target;
  40                         if ($name =~ /([^\/]+)\/([^\/]+)/) {
  41                                 push @{$target{$1}->{subtargets}}, $2;
  42                                 $target->{board} = $1;
  43                                 $target->{boardconf} = confstr($1);
  44                                 $target->{subtarget} = 1;
  45                                 $target->{parent} = $target{$1};
  46                         }
  47                 };
  48                 /^Target-Kernel:\s*(\d+\.\d+)\s*$/ and $target->{kernel} = $1;
  49                 /^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
  50                 /^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
  51                 /^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
  52                 /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
  53                 /^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
  54                 /^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
  55                 /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
  56                 /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
  57                 /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
  58                 /^Default-Packages:\s*(.+)\s*$/ and $target->{packages} = [ split(/\s+/, $1) ];
  59                 /^Target-Profile:\s*(.+)\s*$/ and do {
  60                         $profile = {
  61                                 id => $1,
  62                                 name => $1,
  63                                 packages => []
  64                         };
  65                         push @{$target->{profiles}}, $profile;
  66                 };
  67                 /^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
  68                 /^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
  69                 /^Target-Profile-Description:\s*(.*)\s*/ and $profile->{desc} = get_multiline(*FILE);
  70                 /^Target-Profile-Config:/ and $profile->{config} = get_multiline(*FILE, "\t");
  71                 /^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
  72         }
  73         close FILE;
  74         foreach my $target (@target) {
  75                 next if @{$target->{subtargets}} > 0;
  76                 @{$target->{profiles}} > 0 or $target->{profiles} = [
  77                         {
  78                                 id => 'Default',
  79                                 name => 'Default',
  80                                 packages => []
  81                         }
  82                 ];
  83         }
  84         return @target;
  85 }
  86
  87 sub gen_kconfig_overrides() {
  88         my %config;
  89         my %kconfig;
  90         my $package;
  91         my $pkginfo = shift @ARGV;
  92         my $cfgfile = shift @ARGV;
  93
  94         # parameter 2: build system config
  95         open FILE, "<$cfgfile" or return;
  96         while (<FILE>) {
  97                 /^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
  98         }
  99         close FILE;
 100
 101         # parameter 1: package metadata
 102         open FILE, "<$pkginfo" or return;
 103         while (<FILE>) {
 104                 /^Package:\s*(.+?)\s*$/ and $package = $1;
 105                 /^Kernel-Config:\s*(.+?)\s*$/ and do {
 106                         my @config = split /\s+/, $1;
 107                         foreach my $config (@config) {
 108                                 my $val = 'm';
 109                                 my $override;
 110                                 if ($config =~ /^(.+?)=(.+)$/) {
 111                                         $config = $1;
 112                                         $override = 1;
 113                                         $val = $2;
 114                                 }
 115                                 if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
 116                                         $kconfig{$config} = $val;
 117                                 } elsif (!$override) {
 118                                         $kconfig{$config} or $kconfig{$config} = 'n';
 119                                 }
 120                         }
 121                 };
 122         };
 123         close FILE;
 124
 125         foreach my $kconfig (sort keys %kconfig) {
 126                 if ($kconfig{$kconfig} eq 'n') {
 127                         print "# $kconfig is not set\n";
 128                 } else {
 129                         print "$kconfig=$kconfig{$kconfig}\n";
 130                 }
 131         }
 132 }
 133
 134 sub merge_package_lists($$) {
 135         my $list1 = shift;
 136         my $list2 = shift;
 137         my @l = ();
 138         my %pkgs;
 139
 140         foreach my $pkg (@$list1, @$list2) {
 141                 $pkgs{$pkg} = 1;
 142         }
 143         foreach my $pkg (keys %pkgs) {
 144                 push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
 145         }
 146         return sort(@l);
 147 }
 148
 149 sub target_config_features(@) {
 150         my $ret;
 151
 152         while ($_ = shift @_) {
 153                 /broken/ and $ret .= "\tdepends BROKEN\n";
 154                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 155                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
 156                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
 157                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 158                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 159                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 160                 /tgz/ and $ret .= "\tselect USES_TGZ\n";
 161         }
 162         return $ret;
 163 }
 164
 165 sub target_name($) {
 166         my $target = shift;
 167         my $parent = $target->{parent};
 168         if ($parent) {
 169                 return $target->{parent}->{name}." - ".$target->{name};
 170         } else {
 171                 return $target->{name};
 172         }
 173 }
 174
 175 sub print_target($) {
 176         my $target = shift;
 177         my $features = target_config_features(@{$target->{features}});
 178         my $help = $target->{desc};
 179         my $kernel = $target->{kernel};
 180         my $confstr;
 181         $kernel =~ tr/./_/;
 182
 183         chomp $features;
 184         $features .= "\n";
 185         if ($help =~ /\w+/) {
 186                 $help =~ s/^\s*/\t  /mg;
 187                 $help = "\thelp\n$help";
 188         } else {
 189                 undef $help;
 190         }
 191
 192         $confstr = <<EOF;
 193 config TARGET_$target->{conf}
 194         bool "$target->{name}"
 195         select LINUX_$kernel
 196 EOF
 197         if ($target->{subtarget}) {
 198                 $confstr .= "\tdepends TARGET_$target->{boardconf}\n";
 199         }
 200         if (@{$target->{subtargets}} > 0) {
 201                 $confstr .= "\tselect HAS_SUBTARGETS\n";
 202         } else {
 203                 $confstr .= "\tselect $target->{arch}\n";
 204                 foreach my $dep (@{$target->{depends}}) {
 205                         my $mode = "depends";
 206                         my $flags;
 207                         my $name;
 208
 209                         $dep =~ /^([@\+\-]+)(.+)$/;
 210                         $flags = $1;
 211                         $name = $2;
 212
 213                         $flags =~ /-/ and $mode = "deselect";
 214                         $flags =~ /\+/ and $mode = "select";
 215                         $flags =~ /@/ and $confstr .= "\t$mode $name\n";
 216                 }
 217                 $confstr .= $features;
 218         }
 219
 220         $confstr .= "$help\n\n";
 221         print $confstr;
 222 }
 223
 224 sub gen_target_config() {
 225         my @target = parse_target_metadata();
 226
 227         my @target_sort = sort {
 228                 target_name($a) cmp target_name($b);
 229         } @target;
 230
 231
 232         print <<EOF;
 233 choice
 234         prompt "Target System"
 235         default TARGET_brcm_2_4
 236         reset if !DEVEL
 237
 238 EOF
 239
 240         foreach my $target (@target_sort) {
 241                 next if $target->{subtarget};
 242                 print_target($target);
 243         }
 244
 245         print <<EOF;
 246 endchoice
 247
 248 choice
 249         prompt "Subtarget" if HAS_SUBTARGETS
 250
 251 EOF
 252         foreach my $target (@target) {
 253                 next unless $target->{subtarget};
 254                 print_target($target);
 255         }
 256
 257 print <<EOF;
 258 endchoice
 259
 260 choice
 261         prompt "Target Profile"
 262
 263 EOF
 264
 265         foreach my $target (@target) {
 266                 my $profiles = $target->{profiles};
 267
 268                 foreach my $profile (@$profiles) {
 269                         print <<EOF;
 270 config TARGET_$target->{conf}_$profile->{id}
 271         bool "$profile->{name}"
 272         depends TARGET_$target->{conf}
 273 $profile->{config}
 274 EOF
 275                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
 276                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
 277                         foreach my $pkg (@pkglist) {
 278                                 print "\tselect DEFAULT_$pkg\n";
 279                         }
 280                         print "\n";
 281                 }
 282         }
 283
 284         print <<EOF;
 285 endchoice
 286
 287 config HAS_SUBTARGETS
 288         bool
 289
 290 config TARGET_BOARD
 291         string
 292
 293 EOF
 294         foreach my $target (@target) {
 295                 $target->{subtarget} or print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
 296         }
 297
 298 }
 299
 300 my %dep_check;
 301 sub __find_package_dep($$) {
 302         my $pkg = shift;
 303         my $name = shift;
 304         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 305
 306         return 0 unless defined $deps;
 307         foreach my $dep (@{$deps}) {
 308                 next if $dep_check{$dep};
 309                 $dep_check{$dep} = 1;
 310                 return 1 if $dep eq $name;
 311                 return 1 if ($package{$dep} and (__find_package_dep($package{$dep},$name) == 1));
 312         }
 313         return 0;
 314 }
 315
 316 # wrapper to avoid infinite recursion
 317 sub find_package_dep($$) {
 318         my $pkg = shift;
 319         my $name = shift;
 320
 321         %dep_check = ();
 322         return __find_package_dep($pkg, $name);
 323 }
 324
 325 sub package_depends($$) {
 326         my $a = shift;
 327         my $b = shift;
 328         my $ret;
 329
 330         return 0 if ($a->{submenu} ne $b->{submenu});
 331         if (find_package_dep($a, $b->{name}) == 1) {
 332                 $ret = 1;
 333         } elsif (find_package_dep($b, $a->{name}) == 1) {
 334                 $ret = -1;
 335         } else {
 336                 return 0;
 337         }
 338         return $ret;
 339 }
 340
 341 sub mconf_depends($$) {
 342         my $depends = shift;
 343         my $only_dep = shift;
 344         my $res;
 345         my $dep = shift;
 346         $dep or $dep = {};
 347
 348         $depends or return;
 349         my @depends = @$depends;
 350         foreach my $depend (@depends) {
 351                 my $m = "depends";
 352                 $depend =~ s/^([@\+]+)//;
 353                 my $flags = $1;
 354                 my $vdep;
 355
 356                 if ($vdep = $package{$depend}->{vdepends}) {
 357                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 358                 } else {
 359                         $flags =~ /\+/ and do {
 360                                 next if $only_dep;
 361                                 $m = "select";
 362
 363                                 # Menuconfig will not treat 'select FOO' as a real dependency
 364                                 # thus if FOO depends on other config options, these dependencies
 365                                 # will not be checked. To fix this, we simply emit all of FOO's
 366                                 # depends here as well.
 367                                 $package{$depend} and mconf_depends($package{$depend}->{depends}, 1, $dep);
 368                         };
 369                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 370                 }
 371                 $dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
 372         }
 373         foreach my $depend (keys %$dep) {
 374                 my $m = $dep->{$depend};
 375                 $res .= "\t\t$m $depend\n";
 376         }
 377         return $res;
 378 }
 379
 380 sub print_package_config_category($) {
 381         my $cat = shift;
 382         my %menus;
 383         my %menu_dep;
 384
 385         return unless $category{$cat};
 386
 387         print "menu \"$cat\"\n\n";
 388         my %spkg = %{$category{$cat}};
 389
 390         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 391                 foreach my $pkg (@{$spkg{$spkg}}) {
 392                         my $menu = $pkg->{submenu};
 393                         if ($menu) {
 394                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 395                         } else {
 396                                 $menu = 'undef';
 397                         }
 398                         $menus{$menu} or $menus{$menu} = [];
 399                         push @{$menus{$menu}}, $pkg;
 400                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
 401                         print "\t\tbool\n\n";
 402                 }
 403         }
 404         my @menus = sort {
 405                 ($a eq 'undef' ?  1 : 0) or
 406                 ($b eq 'undef' ? -1 : 0) or
 407                 ($a cmp $b)
 408         } keys %menus;
 409
 410         foreach my $menu (@menus) {
 411                 my @pkgs = sort {
 412                         package_depends($a, $b) or
 413                         ($a->{name} cmp $b->{name})
 414                 } @{$menus{$menu}};
 415                 if ($menu ne 'undef') {
 416                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 417                         print "menu \"$menu\"\n";
 418                 }
 419                 foreach my $pkg (@pkgs) {
 420                         my $title = $pkg->{name};
 421                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 422                         if ($c > 0) {
 423                                 $title .= ("." x $c). " ". $pkg->{title};
 424                         }
 425                         print "\t";
 426                         $pkg->{menu} and print "menu";
 427                         print "config PACKAGE_".$pkg->{name}."\n";
 428                         print "\t\t".($pkg->{tristate} ? 'tristate' : 'bool')." \"$title\"\n";
 429                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 430                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 431                                 print "\t\tdefault $default\n";
 432                         }
 433                         print mconf_depends($pkg->{depends}, 0);
 434                         print "\t\thelp\n";
 435                         print $pkg->{description};
 436                         print "\n";
 437
 438                         $pkg->{config} and print $pkg->{config}."\n";
 439                 }
 440                 if ($menu ne 'undef') {
 441                         print "endmenu\n";
 442                         $menu_dep{$menu} and print "endif\n";
 443                 }
 444         }
 445         print "endmenu\n\n";
 446
 447         undef $category{$cat};
 448 }
 449
 450 sub gen_package_config() {
 451         parse_package_metadata($ARGV[0]) or exit 1;
 452         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n";
 453         foreach my $preconfig (keys %preconfig) {
 454                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 455                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 456                         $conf =~ tr/\.-/__/;
 457                         print <<EOF
 458         config UCI_PRECONFIG_$conf
 459                 string "$preconfig{$preconfig}->{$cfg}->{label}" if UCI_PRECONFIG
 460                 depends PACKAGE_$preconfig
 461                 default "$preconfig{$preconfig}->{$cfg}->{default}"
 462
 463 EOF
 464                 }
 465         }
 466         print_package_config_category 'Base system';
 467         foreach my $cat (keys %category) {
 468                 print_package_config_category $cat;
 469         }
 470 }
 471
 472 sub gen_package_mk() {
 473         my %conf;
 474         my %dep;
 475         my $line;
 476
 477         parse_package_metadata($ARGV[0]) or exit 1;
 478         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 479                 my $config;
 480                 my $pkg = $package{$name};
 481
 482                 next if defined $pkg->{vdepends};
 483                 if ($ENV{SDK}) {
 484                         $conf{$pkg->{src}} or do {
 485                                 $config = 'm';
 486                                 $conf{$pkg->{src}} = 1;
 487                         };
 488                 } else {
 489                         $config = "\$(CONFIG_PACKAGE_$name)"
 490                 }
 491                 if ($config) {
 492                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
 493                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
 494                 }
 495
 496                 my $hasdeps = 0;
 497                 my $depline = "";
 498                 foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
 499                         next if $dep =~ /@/;
 500                         $dep =~ s/\+//;
 501                         my $idx;
 502                         my $pkg_dep = $package{$dep};
 503                         next if defined $pkg_dep->{vdepends};
 504
 505                         if (defined $pkg_dep->{src}) {
 506                                 ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 507                         } elsif (defined($srcpackage{$dep})) {
 508                                 $idx = $subdir{$dep}.$dep;
 509                         }
 510                         undef $idx if $idx =~ /^(kernel)|(base-files)$/;
 511                         if ($idx) {
 512                                 next if $dep{$pkg->{src}."->".$idx};
 513                                 $depline .= " \$(curdir)/$idx/compile";
 514                                 $dep{$pkg->{src}."->".$idx} = 1;
 515                         }
 516                 }
 517                 if ($depline) {
 518                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
 519                 }
 520         }
 521
 522         if ($line ne "") {
 523                 print "\n$line";
 524         }
 525         foreach my $preconfig (keys %preconfig) {
 526                 my $cmds;
 527                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 528                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 529                         $conf =~ tr/\.-/__/;
 530                         $cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
 531                 }
 532                 next unless $cmds;
 533                 print <<EOF
 534
 535 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
 536         ( \\
 537 $cmds \\
 538         ) > \$@
 539
 540 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
 541   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
 542 endif
 543 EOF
 544         }
 545 }
 546
 547
 548 sub parse_command() {
 549         my $cmd = shift @ARGV;
 550         for ($cmd) {
 551                 /^target_config$/ and return gen_target_config();
 552                 /^package_mk$/ and return gen_package_mk();
 553                 /^package_config$/ and return gen_package_config();
 554                 /^kconfig/ and return gen_kconfig_overrides();
 555         }
 556         print <<EOF
 557 Available Commands:
 558         $0 target_config [file]         Target metadata in Kconfig format
 559         $0 package_mk [file]            Package metadata in makefile format
 560         $0 package_config [file]        Package metadata in Kconfig format
 561         $0 kconfig [file] [config]      Kernel config overrides
 562
 563 EOF
 564 }
 565
 566 parse_command();