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                 /display/ and $ret .= "\tselect DISPLAY_SUPPORT\n";
 155                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 156                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
 157                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
 158                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 159                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 160                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 161                 /tgz/ and $ret .= "\tselect USES_TGZ\n";
 162                 /cpiogz/ and $ret .= "\tselect USES_CPIOGZ\n";
 163         }
 164         return $ret;
 165 }
 166
 167 sub target_name($) {
 168         my $target = shift;
 169         my $parent = $target->{parent};
 170         if ($parent) {
 171                 return $target->{parent}->{name}." - ".$target->{name};
 172         } else {
 173                 return $target->{name};
 174         }
 175 }
 176
 177 sub kver($) {
 178         my $v = shift;
 179         $v =~ tr/\./_/;
 180         $v =~ /(\d+_\d+_\d+)(_\d+)?/ and $v = $1;
 181         return $v;
 182 }
 183
 184 sub print_target($) {
 185         my $target = shift;
 186         my $features = target_config_features(@{$target->{features}});
 187         my $help = $target->{desc};
 188         my $kernel = $target->{kernel};
 189         my $confstr;
 190         $kernel =~ tr/./_/;
 191
 192         chomp $features;
 193         $features .= "\n";
 194         if ($help =~ /\w+/) {
 195                 $help =~ s/^\s*/\t  /mg;
 196                 $help = "\thelp\n$help";
 197         } else {
 198                 undef $help;
 199         }
 200
 201         my $v = kver($target->{version});
 202         $confstr = <<EOF;
 203 config TARGET_$target->{conf}
 204         bool "$target->{name}"
 205         select LINUX_$kernel
 206         select LINUX_$v
 207 EOF
 208         if ($target->{subtarget}) {
 209                 $confstr .= "\tdepends TARGET_$target->{boardconf}\n";
 210         }
 211         if (@{$target->{subtargets}} > 0) {
 212                 $confstr .= "\tselect HAS_SUBTARGETS\n";
 213         } else {
 214                 $confstr .= "\tselect $target->{arch}\n";
 215                 foreach my $dep (@{$target->{depends}}) {
 216                         my $mode = "depends";
 217                         my $flags;
 218                         my $name;
 219
 220                         $dep =~ /^([@\+\-]+)(.+)$/;
 221                         $flags = $1;
 222                         $name = $2;
 223
 224                         $flags =~ /-/ and $mode = "deselect";
 225                         $flags =~ /\+/ and $mode = "select";
 226                         $flags =~ /@/ and $confstr .= "\t$mode $name\n";
 227                 }
 228                 $confstr .= $features;
 229         }
 230
 231         $confstr .= "$help\n\n";
 232         print $confstr;
 233 }
 234
 235 sub gen_target_config() {
 236         my @target = parse_target_metadata();
 237
 238         my @target_sort = sort {
 239                 target_name($a) cmp target_name($b);
 240         } @target;
 241
 242
 243         print <<EOF;
 244 choice
 245         prompt "Target System"
 246         default TARGET_brcm_2_4
 247         reset if !DEVEL
 248
 249 EOF
 250
 251         foreach my $target (@target_sort) {
 252                 next if $target->{subtarget};
 253                 print_target($target);
 254         }
 255
 256         print <<EOF;
 257 endchoice
 258
 259 choice
 260         prompt "Subtarget" if HAS_SUBTARGETS
 261
 262 EOF
 263         foreach my $target (@target) {
 264                 next unless $target->{subtarget};
 265                 print_target($target);
 266         }
 267
 268 print <<EOF;
 269 endchoice
 270
 271 choice
 272         prompt "Target Profile"
 273
 274 EOF
 275
 276         foreach my $target (@target) {
 277                 my $profiles = $target->{profiles};
 278
 279                 foreach my $profile (@$profiles) {
 280                         print <<EOF;
 281 config TARGET_$target->{conf}_$profile->{id}
 282         bool "$profile->{name}"
 283         depends TARGET_$target->{conf}
 284 $profile->{config}
 285 EOF
 286                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
 287                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
 288                         foreach my $pkg (@pkglist) {
 289                                 print "\tselect DEFAULT_$pkg\n";
 290                         }
 291                         print "\n";
 292                 }
 293         }
 294
 295         print <<EOF;
 296 endchoice
 297
 298 config HAS_SUBTARGETS
 299         bool
 300
 301 config TARGET_BOARD
 302         string
 303
 304 EOF
 305         foreach my $target (@target) {
 306                 $target->{subtarget} or print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
 307         }
 308
 309         my %kver;
 310         foreach my $target (@target) {
 311                 my $v = kver($target->{version});
 312                 next if $kver{$v};
 313                 $kver{$v} = 1;
 314                 print <<EOF;
 315 config LINUX_$v
 316         bool
 317 EOF
 318         }
 319 }
 320
 321 my %dep_check;
 322 sub __find_package_dep($$) {
 323         my $pkg = shift;
 324         my $name = shift;
 325         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 326
 327         return 0 unless defined $deps;
 328         foreach my $dep (@{$deps}) {
 329                 next if $dep_check{$dep};
 330                 $dep_check{$dep} = 1;
 331                 return 1 if $dep eq $name;
 332                 return 1 if ($package{$dep} and (__find_package_dep($package{$dep},$name) == 1));
 333         }
 334         return 0;
 335 }
 336
 337 # wrapper to avoid infinite recursion
 338 sub find_package_dep($$) {
 339         my $pkg = shift;
 340         my $name = shift;
 341
 342         %dep_check = ();
 343         return __find_package_dep($pkg, $name);
 344 }
 345
 346 sub package_depends($$) {
 347         my $a = shift;
 348         my $b = shift;
 349         my $ret;
 350
 351         return 0 if ($a->{submenu} ne $b->{submenu});
 352         if (find_package_dep($a, $b->{name}) == 1) {
 353                 $ret = 1;
 354         } elsif (find_package_dep($b, $a->{name}) == 1) {
 355                 $ret = -1;
 356         } else {
 357                 return 0;
 358         }
 359         return $ret;
 360 }
 361
 362 sub mconf_depends($$) {
 363         my $depends = shift;
 364         my $only_dep = shift;
 365         my $res;
 366         my $dep = shift;
 367         $dep or $dep = {};
 368
 369         $depends or return;
 370         my @depends = @$depends;
 371         foreach my $depend (@depends) {
 372                 my $m = "depends";
 373                 $depend =~ s/^([@\+]+)//;
 374                 my $flags = $1;
 375                 my $vdep;
 376
 377                 if ($vdep = $package{$depend}->{vdepends}) {
 378                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 379                 } else {
 380                         $flags =~ /\+/ and do {
 381                                 next if $only_dep;
 382                                 $m = "select";
 383
 384                                 # Menuconfig will not treat 'select FOO' as a real dependency
 385                                 # thus if FOO depends on other config options, these dependencies
 386                                 # will not be checked. To fix this, we simply emit all of FOO's
 387                                 # depends here as well.
 388                                 $package{$depend} and mconf_depends($package{$depend}->{depends}, 1, $dep);
 389                         };
 390                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 391                 }
 392                 $dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
 393         }
 394         foreach my $depend (keys %$dep) {
 395                 my $m = $dep->{$depend};
 396                 $res .= "\t\t$m $depend\n";
 397         }
 398         return $res;
 399 }
 400
 401 sub print_package_config_category($) {
 402         my $cat = shift;
 403         my %menus;
 404         my %menu_dep;
 405
 406         return unless $category{$cat};
 407
 408         print "menu \"$cat\"\n\n";
 409         my %spkg = %{$category{$cat}};
 410
 411         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 412                 foreach my $pkg (@{$spkg{$spkg}}) {
 413                         my $menu = $pkg->{submenu};
 414                         if ($menu) {
 415                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 416                         } else {
 417                                 $menu = 'undef';
 418                         }
 419                         $menus{$menu} or $menus{$menu} = [];
 420                         push @{$menus{$menu}}, $pkg;
 421                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
 422                         print "\t\tbool\n\n";
 423                 }
 424         }
 425         my @menus = sort {
 426                 ($a eq 'undef' ?  1 : 0) or
 427                 ($b eq 'undef' ? -1 : 0) or
 428                 ($a cmp $b)
 429         } keys %menus;
 430
 431         foreach my $menu (@menus) {
 432                 my @pkgs = sort {
 433                         package_depends($a, $b) or
 434                         ($a->{name} cmp $b->{name})
 435                 } @{$menus{$menu}};
 436                 if ($menu ne 'undef') {
 437                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 438                         print "menu \"$menu\"\n";
 439                 }
 440                 foreach my $pkg (@pkgs) {
 441                         my $title = $pkg->{name};
 442                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 443                         if ($c > 0) {
 444                                 $title .= ("." x $c). " ". $pkg->{title};
 445                         }
 446                         print "\t";
 447                         $pkg->{menu} and print "menu";
 448                         print "config PACKAGE_".$pkg->{name}."\n";
 449                         print "\t\t".($pkg->{tristate} ? 'tristate' : 'bool')." \"$title\"\n";
 450                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 451                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 452                                 print "\t\tdefault $default\n";
 453                         }
 454                         print mconf_depends($pkg->{depends}, 0);
 455                         print "\t\thelp\n";
 456                         print $pkg->{description};
 457                         print "\n";
 458
 459                         $pkg->{config} and print $pkg->{config}."\n";
 460                 }
 461                 if ($menu ne 'undef') {
 462                         print "endmenu\n";
 463                         $menu_dep{$menu} and print "endif\n";
 464                 }
 465         }
 466         print "endmenu\n\n";
 467
 468         undef $category{$cat};
 469 }
 470
 471 sub gen_package_config() {
 472         parse_package_metadata($ARGV[0]) or exit 1;
 473         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n";
 474         foreach my $preconfig (keys %preconfig) {
 475                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 476                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 477                         $conf =~ tr/\.-/__/;
 478                         print <<EOF
 479         config UCI_PRECONFIG_$conf
 480                 string "$preconfig{$preconfig}->{$cfg}->{label}" if UCI_PRECONFIG
 481                 depends PACKAGE_$preconfig
 482                 default "$preconfig{$preconfig}->{$cfg}->{default}"
 483
 484 EOF
 485                 }
 486         }
 487         print_package_config_category 'Base system';
 488         foreach my $cat (keys %category) {
 489                 print_package_config_category $cat;
 490         }
 491 }
 492
 493 sub gen_package_mk() {
 494         my %conf;
 495         my %dep;
 496         my $line;
 497
 498         parse_package_metadata($ARGV[0]) or exit 1;
 499         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 500                 my $config;
 501                 my $pkg = $package{$name};
 502
 503                 next if defined $pkg->{vdepends};
 504                 if ($ENV{SDK}) {
 505                         $conf{$pkg->{src}} or do {
 506                                 $config = 'm';
 507                                 $conf{$pkg->{src}} = 1;
 508                         };
 509                 } else {
 510                         $config = "\$(CONFIG_PACKAGE_$name)"
 511                 }
 512                 if ($config) {
 513                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
 514                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
 515                 }
 516
 517                 my $hasdeps = 0;
 518                 my $depline = "";
 519                 foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
 520                         next if $dep =~ /@/;
 521                         $dep =~ s/\+//;
 522                         my $idx;
 523                         my $pkg_dep = $package{$dep};
 524                         next if defined $pkg_dep->{vdepends};
 525
 526                         if (defined $pkg_dep->{src}) {
 527                                 ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 528                         } elsif (defined($srcpackage{$dep})) {
 529                                 $idx = $subdir{$dep}.$dep;
 530                         }
 531                         undef $idx if $idx =~ /^(kernel)|(base-files)$/;
 532                         if ($idx) {
 533                                 next if $dep{$pkg->{src}."->".$idx};
 534                                 $depline .= " \$(curdir)/$idx/compile";
 535                                 $dep{$pkg->{src}."->".$idx} = 1;
 536                         }
 537                 }
 538                 if ($depline) {
 539                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
 540                 }
 541         }
 542
 543         if ($line ne "") {
 544                 print "\n$line";
 545         }
 546         foreach my $preconfig (keys %preconfig) {
 547                 my $cmds;
 548                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 549                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 550                         $conf =~ tr/\.-/__/;
 551                         $cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
 552                 }
 553                 next unless $cmds;
 554                 print <<EOF
 555
 556 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
 557         ( \\
 558 $cmds \\
 559         ) > \$@
 560
 561 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
 562   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
 563 endif
 564 EOF
 565         }
 566 }
 567
 568
 569 sub parse_command() {
 570         my $cmd = shift @ARGV;
 571         for ($cmd) {
 572                 /^target_config$/ and return gen_target_config();
 573                 /^package_mk$/ and return gen_package_mk();
 574                 /^package_config$/ and return gen_package_config();
 575                 /^kconfig/ and return gen_kconfig_overrides();
 576         }
 577         print <<EOF
 578 Available Commands:
 579         $0 target_config [file]         Target metadata in Kconfig format
 580         $0 package_mk [file]            Package metadata in makefile format
 581         $0 package_config [file]        Package metadata in Kconfig format
 582         $0 kconfig [file] [config]      Kernel config overrides
 583
 584 EOF
 585 }
 586
 587 parse_command();