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