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