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