scripts/metadata.pl

   1 #!/usr/bin/perl
   2 use strict;
   3 my %preconfig;
   4 my %package;
   5 my %srcpackage;
   6 my %category;
   7 my %subdir;
   8 my %board;
   9
  10 sub get_multiline {
  11         my $prefix = shift;
  12         my $str;
  13         while (<>) {
  14                 last if /^@@/;
  15                 s/^\s*//g;
  16                 $str .= (($_ and $prefix) ? $prefix . $_ : $_);
  17         }
  18
  19         return $str;
  20 }
  21
  22 sub confstr($) {
  23         my $conf = shift;
  24         $conf =~ tr#/\.\-/#___#;
  25         return $conf;
  26 }
  27
  28 sub parse_target_metadata() {
  29         my ($target, @target, $profile);
  30         while (<>) {
  31                 chomp;
  32                 /^Target:\s*(.+)\s*$/ and do {
  33                         $target = {
  34                                 id => $1,
  35                                 conf => confstr($1),
  36                                 profiles => []
  37                         };
  38                         push @target, $target;
  39                 };
  40                 /^Target-Board:\s*(.+)\s*$/ and do {
  41                         $target->{board} = $1;
  42                         $target->{boardconf} = confstr($1);
  43                 };
  44                 /^Target-Kernel:\s*(\d+\.\d+)\s*$/ and $target->{kernel} = $1;
  45                 /^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
  46                 /^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
  47                 /^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
  48                 /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
  49                 /^Target-Description:/ and $target->{desc} = get_multiline();
  50                 /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
  51                 /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
  52                 /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
  53                 /^Default-Packages:\s*(.+)\s*$/ and $target->{packages} = [ split(/\s+/, $1) ];
  54                 /^Target-Profile:\s*(.+)\s*$/ and do {
  55                         $profile = {
  56                                 id => $1,
  57                                 name => $1,
  58                                 packages => []
  59                         };
  60                         push @{$target->{profiles}}, $profile;
  61                 };
  62                 /^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
  63                 /^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
  64                 /^Target-Profile-Description:\s*(.*)\s*/ and $profile->{desc} = get_multiline();
  65                 /^Target-Profile-Config:/ and $profile->{config} = get_multiline("\t");
  66                 /^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
  67         }
  68         foreach my $target (@target) {
  69                 @{$target->{profiles}} > 0 or $target->{profiles} = [
  70                         {
  71                                 id => 'Default',
  72                                 name => 'Default',
  73                                 packages => []
  74                         }
  75                 ];
  76         }
  77         return @target;
  78 }
  79
  80 sub parse_package_metadata() {
  81         my $pkg;
  82         my $makefile;
  83         my $preconfig;
  84         my $subdir;
  85         my $src;
  86         while (<>) {
  87                 chomp;
  88                 /^Source-Makefile: \s*((.+\/)([^\/]+)\/Makefile)\s*$/ and do {
  89                         $makefile = $1;
  90                         $subdir = $2;
  91                         $src = $3;
  92                         $subdir =~ s/^package\///;
  93                         $subdir{$src} = $subdir;
  94                         $srcpackage{$src} = [];
  95                         undef $pkg;
  96                 };
  97                 /^Package:\s*(.+?)\s*$/ and do {
  98                         $pkg = {};
  99                         $pkg->{src} = $src;
 100                         $pkg->{makefile} = $makefile;
 101                         $pkg->{name} = $1;
 102                         $pkg->{default} = "m if ALL";
 103                         $pkg->{depends} = [];
 104                         $pkg->{builddepends} = [];
 105                         $pkg->{subdir} = $subdir;
 106                         $package{$1} = $pkg;
 107                         push @{$srcpackage{$src}}, $pkg;
 108                 };
 109                 /^Version: \s*(.+)\s*$/ and $pkg->{version} = $1;
 110                 /^Title: \s*(.+)\s*$/ and $pkg->{title} = $1;
 111                 /^Menu: \s*(.+)\s*$/ and $pkg->{menu} = $1;
 112                 /^Submenu: \s*(.+)\s*$/ and $pkg->{submenu} = $1;
 113                 /^Submenu-Depends: \s*(.+)\s*$/ and $pkg->{submenudep} = $1;
 114                 /^Default: \s*(.+)\s*$/ and $pkg->{default} = $1;
 115                 /^Provides: \s*(.+)\s*$/ and do {
 116                         my @vpkg = split /\s+/, $1;
 117                         foreach my $vpkg (@vpkg) {
 118                                 $package{$vpkg} or $package{$vpkg} = { vdepends => [] };
 119                                 push @{$package{$vpkg}->{vdepends}}, $pkg->{name};
 120                         }
 121                 };
 122                 /^Depends: \s*(.+)\s*$/ and $pkg->{depends} = [ split /\s+/, $1 ];
 123                 /^Build-Depends: \s*(.+)\s*$/ and $pkg->{builddepends} = [ split /\s+/, $1 ];
 124                 /^Category: \s*(.+)\s*$/ and do {
 125                         $pkg->{category} = $1;
 126                         defined $category{$1} or $category{$1} = {};
 127                         defined $category{$1}->{$src} or $category{$1}->{$src} = [];
 128                         push @{$category{$1}->{$src}}, $pkg;
 129                 };
 130                 /^Description: \s*(.*)\s*$/ and $pkg->{description} = "\t\t $1\n". get_multiline("\t\t ");
 131                 /^Config: \s*(.*)\s*$/ and $pkg->{config} = "$1\n".get_multiline();
 132                 /^Prereq-Check:/ and $pkg->{prereq} = 1;
 133                 /^Preconfig:\s*(.+)\s*$/ and do {
 134                         my $pkgname = $pkg->{name};
 135                         $preconfig{$pkgname} or $preconfig{$pkgname} = {};
 136                         if (exists $preconfig{$pkgname}->{$1}) {
 137                                 $preconfig = $preconfig{$pkgname}->{$1};
 138                         } else {
 139                                 $preconfig = {
 140                                         id => $1
 141                                 };
 142                                 $preconfig{$pkgname}->{$1} = $preconfig;
 143                         }
 144                 };
 145                 /^Preconfig-Type:\s*(.*?)\s*$/ and $preconfig->{type} = $1;
 146                 /^Preconfig-Label:\s*(.*?)\s*$/ and $preconfig->{label} = $1;
 147                 /^Preconfig-Default:\s*(.*?)\s*$/ and $preconfig->{default} = $1;
 148         }
 149         return %category;
 150 }
 151
 152 sub gen_kconfig_overrides() {
 153         my %config;
 154         my %kconfig;
 155         my $package;
 156         my $pkginfo = shift @ARGV;
 157         my $cfgfile = shift @ARGV;
 158
 159         # parameter 2: build system config
 160         open FILE, "<$cfgfile" or return;
 161         while (<FILE>) {
 162                 /^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
 163         }
 164         close FILE;
 165
 166         # parameter 1: package metadata
 167         open FILE, "<$pkginfo" or return;
 168         while (<FILE>) {
 169                 /^Package:\s*(.+?)\s*$/ and $package = $1;
 170                 /^Kernel-Config:\s*(.+?)\s*$/ and do {
 171                         my @config = split /\s+/, $1;
 172                         foreach my $config (@config) {
 173                                 my $val = 'm';
 174                                 my $override;
 175                                 if ($config =~ /^(.+?)=(.+)$/) {
 176                                         $config = $1;
 177                                         $override = 1;
 178                                         $val = $2;
 179                                 }
 180                                 if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
 181                                         $kconfig{$config} = $val;
 182                                 } elsif (!$override) {
 183                                         $kconfig{$config} or $kconfig{$config} = 'n';
 184                                 }
 185                         }
 186                 };
 187         };
 188         close FILE;
 189
 190         foreach my $kconfig (sort keys %kconfig) {
 191                 if ($kconfig{$kconfig} eq 'n') {
 192                         print "# $kconfig is not set\n";
 193                 } else {
 194                         print "$kconfig=$kconfig{$kconfig}\n";
 195                 }
 196         }
 197 }
 198
 199 sub merge_package_lists($$) {
 200         my $list1 = shift;
 201         my $list2 = shift;
 202         my @l = ();
 203         my %pkgs;
 204
 205         foreach my $pkg (@$list1, @$list2) {
 206                 $pkgs{$pkg} = 1;
 207         }
 208         foreach my $pkg (keys %pkgs) {
 209                 push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
 210         }
 211         return sort(@l);
 212 }
 213
 214 sub target_config_features(@) {
 215         my $ret;
 216
 217         while ($_ = shift @_) {
 218                 /broken/ and $ret .= "\tdepends BROKEN\n";
 219                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 220                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
 221                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
 222                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 223                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 224                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 225                 /tgz/ and $ret .= "\tselect USES_TGZ\n";
 226         }
 227         return $ret;
 228 }
 229
 230
 231 sub gen_target_config() {
 232         my @target = parse_target_metadata();
 233
 234         @target = sort {
 235                 $a->{name} cmp $b->{name}
 236         } @target;
 237
 238
 239         print <<EOF;
 240 choice
 241         prompt "Target System"
 242         default TARGET_brcm_2_4
 243         reset if !DEVEL
 244
 245 EOF
 246
 247         foreach my $target (@target) {
 248                 my $features = target_config_features(@{$target->{features}});
 249                 my $help = $target->{desc};
 250                 my $kernel = $target->{kernel};
 251                 $kernel =~ tr/./_/;
 252
 253                 chomp $features;
 254                 $features .= "\n";
 255                 if ($help =~ /\w+/) {
 256                         $help =~ s/^\s*/\t  /mg;
 257                         $help = "\thelp\n$help";
 258                 } else {
 259                         undef $help;
 260                 }
 261
 262                 print <<EOF;
 263 config TARGET_$target->{conf}
 264         bool "$target->{name}"
 265         select $target->{arch}
 266         select LINUX_$kernel
 267 EOF
 268                 if ($target->{id} ne $target->{board}) {
 269                         print "\tselect TARGET_".$target->{boardconf}."\n";
 270                 }
 271                 print "$features$help\n\n"
 272         }
 273
 274         print <<EOF;
 275 endchoice
 276
 277 config TARGET_BOARD
 278         string
 279 EOF
 280         foreach my $target (@target) {
 281                 print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
 282         }
 283
 284         # add hidden target config options
 285         foreach my $target (@target) {
 286                 next if $board{$target->{board}};
 287                 if ($target->{id} ne $target->{board}) {
 288                         print "\nconfig TARGET_".$target->{boardconf}."\n\tbool\n";
 289                         $board{$target->{board}} = 1;
 290                 }
 291         }
 292         print <<EOF;
 293
 294 choice
 295         prompt "Target Profile"
 296
 297 EOF
 298
 299         foreach my $target (@target) {
 300                 my $profiles = $target->{profiles};
 301
 302                 foreach my $profile (@$profiles) {
 303                         print <<EOF;
 304 config TARGET_$target->{conf}_$profile->{id}
 305         bool "$profile->{name}"
 306         depends TARGET_$target->{conf}
 307 $profile->{config}
 308 EOF
 309                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
 310                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
 311                         foreach my $pkg (@pkglist) {
 312                                 print "\tselect DEFAULT_$pkg\n";
 313                         }
 314                         print "\n";
 315                 }
 316         }
 317
 318         print "endchoice\n";
 319 }
 320
 321
 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                 return 1 if $dep eq $name;
 330                 return 1 if ($package{$dep} and (find_package_dep($package{$dep},$name) == 1));
 331         }
 332         return 0;
 333 }
 334
 335 sub package_depends($$) {
 336         my $a = shift;
 337         my $b = shift;
 338         my $ret;
 339
 340         return 0 if ($a->{submenu} ne $b->{submenu});
 341         if (find_package_dep($a, $b->{name}) == 1) {
 342                 $ret = 1;
 343         } elsif (find_package_dep($b, $a->{name}) == 1) {
 344                 $ret = -1;
 345         } else {
 346                 return 0;
 347         }
 348         return $ret;
 349 }
 350
 351 sub mconf_depends($$) {
 352         my $depends = shift;
 353         my $only_dep = shift;
 354         my $res;
 355
 356         $depends or return;
 357         my @depends = @$depends;
 358         foreach my $depend (@depends) {
 359                 my $m = "depends";
 360                 $depend =~ s/^([@\+]+)//;
 361                 my $flags = $1;
 362                 my $vdep;
 363
 364                 if ($vdep = $package{$depend}->{vdepends}) {
 365                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 366                 } else {
 367                         $flags =~ /\+/ and do {
 368                                 next if $only_dep;
 369                                 $m = "select";
 370
 371                                 # Menuconfig will not treat 'select FOO' as a real dependency
 372                                 # thus if FOO depends on other config options, these dependencies
 373                                 # will not be checked. To fix this, we simply emit all of FOO's
 374                                 # depends here as well.
 375                                 $package{$depend} and $res .= mconf_depends($package{$depend}->{depends}, 1);
 376                         };
 377                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 378                 }
 379                 $res .= "\t\t$m $depend\n";
 380         }
 381         return $res;
 382 }
 383
 384 sub print_package_config_category($) {
 385         my $cat = shift;
 386         my %menus;
 387         my %menu_dep;
 388
 389         return unless $category{$cat};
 390
 391         print "menu \"$cat\"\n\n";
 392         my %spkg = %{$category{$cat}};
 393
 394         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 395                 foreach my $pkg (@{$spkg{$spkg}}) {
 396                         my $menu = $pkg->{submenu};
 397                         if ($menu) {
 398                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 399                         } else {
 400                                 $menu = 'undef';
 401                         }
 402                         $menus{$menu} or $menus{$menu} = [];
 403                         push @{$menus{$menu}}, $pkg;
 404                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
 405                         print "\t\tbool\n\n";
 406                 }
 407         }
 408         my @menus = sort {
 409                 ($a eq 'undef' ?  1 : 0) or
 410                 ($b eq 'undef' ? -1 : 0) or
 411                 ($a cmp $b)
 412         } keys %menus;
 413
 414         foreach my $menu (@menus) {
 415                 my @pkgs = sort {
 416                         package_depends($a, $b) or
 417                         ($a->{name} cmp $b->{name})
 418                 } @{$menus{$menu}};
 419                 if ($menu ne 'undef') {
 420                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 421                         print "menu \"$menu\"\n";
 422                 }
 423                 foreach my $pkg (@pkgs) {
 424                         my $title = $pkg->{name};
 425                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 426                         if ($c > 0) {
 427                                 $title .= ("." x $c). " ". $pkg->{title};
 428                         }
 429                         print "\t";
 430                         $pkg->{menu} and print "menu";
 431                         print "config PACKAGE_".$pkg->{name}."\n";
 432                         print "\t\ttristate \"$title\"\n";
 433                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 434                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 435                                 print "\t\tdefault $default\n";
 436                         }
 437                         print mconf_depends($pkg->{depends}, 0);
 438                         print "\t\thelp\n";
 439                         print $pkg->{description};
 440                         print "\n";
 441
 442                         $pkg->{config} and print $pkg->{config}."\n";
 443                 }
 444                 if ($menu ne 'undef') {
 445                         print "endmenu\n";
 446                         $menu_dep{$menu} and print "endif\n";
 447                 }
 448         }
 449         print "endmenu\n\n";
 450
 451         undef $category{$cat};
 452 }
 453
 454 sub gen_package_config() {
 455         parse_package_metadata();
 456         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n";
 457         foreach my $preconfig (keys %preconfig) {
 458                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 459                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 460                         $conf =~ tr/\.-/__/;
 461                         print <<EOF
 462         config UCI_PRECONFIG_$conf
 463                 string "$preconfig{$preconfig}->{$cfg}->{label}" if UCI_PRECONFIG
 464                 depends PACKAGE_$preconfig
 465                 default "$preconfig{$preconfig}->{$cfg}->{default}"
 466
 467 EOF
 468                 }
 469         }
 470         print_package_config_category 'Base system';
 471         foreach my $cat (keys %category) {
 472                 print_package_config_category $cat;
 473         }
 474 }
 475
 476 sub gen_package_mk() {
 477         my %conf;
 478         my %dep;
 479         my $line;
 480
 481         parse_package_metadata();
 482         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 483                 my $config;
 484                 my $pkg = $package{$name};
 485
 486                 next if defined $pkg->{vdepends};
 487                 if ($ENV{SDK}) {
 488                         $conf{$pkg->{src}} or do {
 489                                 $config = 'm';
 490                                 $conf{$pkg->{src}} = 1;
 491                         };
 492                 } else {
 493                         $config = "\$(CONFIG_PACKAGE_$name)"
 494                 }
 495                 if ($config) {
 496                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
 497                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
 498                 }
 499
 500                 my $hasdeps = 0;
 501                 my $depline = "";
 502                 foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
 503                         next if $dep =~ /@/;
 504                         $dep =~ s/\+//;
 505                         my $idx;
 506                         my $pkg_dep = $package{$dep};
 507                         next if defined $pkg_dep->{vdepends};
 508
 509                         if (defined $pkg_dep->{src}) {
 510                                 ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 511                         } elsif (defined($srcpackage{$dep})) {
 512                                 $idx = $subdir{$dep}.$dep;
 513                         }
 514                         undef $idx if $idx =~ /^(kernel)|(base-files)$/;
 515                         if ($idx) {
 516                                 next if $dep{$pkg->{src}."->".$idx};
 517                                 $depline .= " \$(curdir)/$idx/compile";
 518                                 $dep{$pkg->{src}."->".$idx} = 1;
 519                         }
 520                 }
 521                 if ($depline) {
 522                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
 523                 }
 524         }
 525
 526         if ($line ne "") {
 527                 print "\n$line";
 528         }
 529         foreach my $preconfig (keys %preconfig) {
 530                 my $cmds;
 531                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 532                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 533                         $conf =~ tr/\.-/__/;
 534                         $cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
 535                 }
 536                 next unless $cmds;
 537                 print <<EOF
 538
 539 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
 540         ( \\
 541 $cmds \\
 542         ) > \$@
 543
 544 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
 545   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
 546 endif
 547 EOF
 548         }
 549 }
 550
 551
 552 sub parse_command() {
 553         my $cmd = shift @ARGV;
 554         for ($cmd) {
 555                 /^target_config$/ and return gen_target_config();
 556                 /^package_mk$/ and return gen_package_mk();
 557                 /^package_config$/ and return gen_package_config();
 558                 /^kconfig/ and return gen_kconfig_overrides();
 559         }
 560         print <<EOF
 561 Available Commands:
 562         $0 target_config [file]         Target metadata in Kconfig format
 563         $0 package_mk [file]            Package metadata in makefile format
 564         $0 package_config [file]        Package metadata in Kconfig format
 565         $0 kconfig [file] [config]      Kernel config overrides
 566
 567 EOF
 568 }
 569
 570 parse_command();