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