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
   9 sub get_multiline {
  10         my $prefix = shift;
  11         my $str;
  12         while (<>) {
  13                 last if /^@@/;
  14                 s/^\s*//g;
  15                 $str .= (($_ and $prefix) ? $prefix . $_ : $_);
  16         }
  17
  18         return $str;
  19 }
  20
  21 sub parse_target_metadata() {
  22         my ($target, @target, $profile);
  23         while (<>) {
  24                 chomp;
  25                 /^Target:\s*((.+)-(\d+\.\d+))\s*$/ and do {
  26                         my $conf = uc $3.'_'.$2;
  27                         $conf =~ tr/\.-/__/;
  28                         $target = {
  29                                 id => $1,
  30                                 conf => $conf,
  31                                 board => $2,
  32                                 kernel => $3,
  33                                 profiles => []
  34                         };
  35                         push @target, $target;
  36                 };
  37                 /^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
  38                 /^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
  39                 /^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
  40                 /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
  41                 /^Target-Description:/ and $target->{desc} = get_multiline();
  42                 /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
  43                 /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
  44                 /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
  45                 /^Default-Packages:\s*(.+)\s*$/ and $target->{packages} = [ split(/\s+/, $1) ];
  46                 /^Target-Profile:\s*(.+)\s*$/ and do {
  47                         $profile = {
  48                                 id => $1,
  49                                 name => $1,
  50                                 packages => []
  51                         };
  52                         push @{$target->{profiles}}, $profile;
  53                 };
  54                 /^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
  55                 /^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
  56                 /^Target-Profile-Description:\s*(.*)\s*/ and $profile->{desc} = get_multiline();
  57                 /^Target-Profile-Config:/ and $profile->{config} = get_multiline("\t");
  58                 /^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
  59         }
  60         foreach my $target (@target) {
  61                 @{$target->{profiles}} > 0 or $target->{profiles} = [
  62                         {
  63                                 id => 'Default',
  64                                 name => 'Default',
  65                                 packages => []
  66                         }
  67                 ];
  68         }
  69         return @target;
  70 }
  71
  72 sub parse_package_metadata() {
  73         my $pkg;
  74         my $makefile;
  75         my $preconfig;
  76         my $subdir;
  77         my $src;
  78         while (<>) {
  79                 chomp;
  80                 /^Source-Makefile: \s*((.+\/)([^\/]+)\/Makefile)\s*$/ and do {
  81                         $makefile = $1;
  82                         $subdir = $2;
  83                         $src = $3;
  84                         $subdir =~ s/^package\///;
  85                         $subdir{$src} = $subdir;
  86                         $srcpackage{$src} = [];
  87                         undef $pkg;
  88                 };
  89                 /^Package:\s*(.+?)\s*$/ and do {
  90                         $pkg = {};
  91                         $pkg->{src} = $src;
  92                         $pkg->{makefile} = $makefile;
  93                         $pkg->{name} = $1;
  94                         $pkg->{default} = "m if ALL";
  95                         $pkg->{depends} = [];
  96                         $pkg->{builddepends} = [];
  97                         $pkg->{subdir} = $subdir;
  98                         $package{$1} = $pkg;
  99                         push @{$srcpackage{$src}}, $pkg;
 100                 };
 101                 /^Version: \s*(.+)\s*$/ and $pkg->{version} = $1;
 102                 /^Title: \s*(.+)\s*$/ and $pkg->{title} = $1;
 103                 /^Menu: \s*(.+)\s*$/ and $pkg->{menu} = $1;
 104                 /^Submenu: \s*(.+)\s*$/ and $pkg->{submenu} = $1;
 105                 /^Submenu-Depends: \s*(.+)\s*$/ and $pkg->{submenudep} = $1;
 106                 /^Default: \s*(.+)\s*$/ and $pkg->{default} = $1;
 107                 /^Provides: \s*(.+)\s*$/ and do {
 108                         my @vpkg = split /\s+/, $1;
 109                         foreach my $vpkg (@vpkg) {
 110                                 $package{$vpkg} or $package{$vpkg} = { vdepends => [] };
 111                                 push @{$package{$vpkg}->{vdepends}}, $pkg->{name};
 112                         }
 113                 };
 114                 /^Depends: \s*(.+)\s*$/ and $pkg->{depends} = [ split /\s+/, $1 ];
 115                 /^Build-Depends: \s*(.+)\s*$/ and $pkg->{builddepends} = [ split /\s+/, $1 ];
 116                 /^Category: \s*(.+)\s*$/ and do {
 117                         $pkg->{category} = $1;
 118                         defined $category{$1} or $category{$1} = {};
 119                         defined $category{$1}->{$src} or $category{$1}->{$src} = [];
 120                         push @{$category{$1}->{$src}}, $pkg;
 121                 };
 122                 /^Description: \s*(.*)\s*$/ and $pkg->{description} = "\t\t $1\n". get_multiline("\t\t ");
 123                 /^Config: \s*(.*)\s*$/ and $pkg->{config} = "$1\n".get_multiline();
 124                 /^Prereq-Check:/ and $pkg->{prereq} = 1;
 125                 /^Preconfig:\s*(.+)\s*$/ and do {
 126                         my $pkgname = $pkg->{name};
 127                         $preconfig{$pkgname} or $preconfig{$pkgname} = [];
 128                         $preconfig = {
 129                                 id => $1
 130                         };
 131                         push @{$preconfig{$pkgname}}, $preconfig;
 132                 };
 133                 /^Preconfig-Type:\s*(.*?)\s*$/ and $preconfig->{type} = $1;
 134                 /^Preconfig-Label:\s*(.*?)\s*$/ and $preconfig->{label} = $1;
 135                 /^Preconfig-Default:\s*(.*?)\s*$/ and $preconfig->{default} = $1;
 136         }
 137         return %category;
 138 }
 139
 140 sub gen_kconfig_overrides() {
 141         my %config;
 142         my $package;
 143         my $pkginfo = shift @ARGV;
 144         my $cfgfile = shift @ARGV;
 145
 146         # parameter 2: build system config
 147         open FILE, "<$cfgfile" or return;
 148         while (<FILE>) {
 149                 /^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
 150         }
 151         close FILE;
 152
 153         # parameter 1: package metadata
 154         open FILE, "<$pkginfo" or return;
 155         while (<FILE>) {
 156                 /^Package:\s*(.+?)\s*$/ and $package = $1;
 157                 /^Kernel-Config:\s*(.+?)\s*$/ and do {
 158                         my @config = split /\s+/, $1;
 159                         foreach my $config (@config) {
 160                                 my $val = 'm';
 161                                 if ($config =~ /^(.+?)=(.+)$/) {
 162                                         $config = $1;
 163                                         $val = $2;
 164                                 }
 165                                 if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
 166                                         print "$config=$val\n";
 167                                 } else {
 168                                         print "# $config is not set\n";
 169                                 }
 170                         }
 171                 };
 172         };
 173         close FILE;
 174 }
 175
 176 sub merge_package_lists($$) {
 177         my $list1 = shift;
 178         my $list2 = shift;
 179         my @l = ();
 180         my %pkgs;
 181
 182         foreach my $pkg (@$list1, @$list2) {
 183                 $pkgs{$pkg} = 1;
 184         }
 185         foreach my $pkg (keys %pkgs) {
 186                 push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
 187         }
 188         return sort(@l);
 189 }
 190
 191 sub gen_target_mk() {
 192         my @target = parse_target_metadata();
 193
 194         @target = sort {
 195                 $a->{id} cmp $b->{id}
 196         } @target;
 197
 198         foreach my $target (@target) {
 199                 my ($profiles_def, $profiles_eval);
 200                 my $conf = uc $target->{kernel}.'_'.$target->{board};
 201                 $conf =~ tr/\.-/__/;
 202
 203                 foreach my $profile (@{$target->{profiles}}) {
 204                         $profiles_def .= "
 205   define Profile/$conf\_$profile->{id}
 206     ID:=$profile->{id}
 207     NAME:=$profile->{name}
 208     PACKAGES:=".join(" ", merge_package_lists($target->{packages}, $profile->{packages}))."\n";
 209                         $profile->{kconfig} and $profiles_def .= "    KCONFIG:=1\n";
 210                         $profiles_def .= "  endef";
 211                         $profiles_eval .= "
 212 \$(eval \$(call AddProfile,$conf\_$profile->{id}))"
 213                 }
 214                 print "
 215 ifeq (\$(CONFIG_LINUX_$conf),y)
 216   define Target
 217     KERNEL:=$target->{kernel}
 218     BOARD:=$target->{board}
 219     BOARDNAME:=$target->{name}
 220     LINUX_VERSION:=$target->{version}
 221     LINUX_RELEASE:=$target->{release}
 222     LINUX_KARCH:=$target->{karch}
 223     DEFAULT_PACKAGES:=".join(" ", @{$target->{packages}})."
 224   endef$profiles_def
 225 endif$profiles_eval
 226
 227 "
 228         }
 229         print "\$(eval \$(call Target))\n";
 230 }
 231
 232 sub target_config_features(@) {
 233         my $ret;
 234
 235         while ($_ = shift @_) {
 236                 /broken/ and $ret .= "\tdepends BROKEN\n";
 237                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 238                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
 239                 /atm/ and $ret .= "\tselect ATM_SUPPORT\n";
 240                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
 241                 /video/ and $ret .= "\tselect VIDEO_SUPPORT\n";
 242                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 243                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 244                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 245         }
 246         return $ret;
 247 }
 248
 249
 250 sub gen_target_config() {
 251         my @target = parse_target_metadata();
 252
 253         @target = sort {
 254                 $a->{name} cmp $b->{name}
 255         } @target;
 256
 257
 258         print <<EOF;
 259 choice
 260         prompt "Target System"
 261         default LINUX_2_4_BRCM
 262         reset if !DEVEL
 263
 264 EOF
 265
 266         foreach my $target (@target) {
 267                 my $features = target_config_features(@{$target->{features}});
 268                 my $help = $target->{desc};
 269                 my $kernel = $target->{kernel};
 270                 $kernel =~ tr/./_/;
 271
 272                 chomp $features;
 273                 $features .= "\n";
 274                 if ($help =~ /\w+/) {
 275                         $help =~ s/^\s*/\t  /mg;
 276                         $help = "\thelp\n$help";
 277                 } else {
 278                         undef $help;
 279                 }
 280
 281                 print <<EOF
 282 config LINUX_$target->{conf}
 283         bool "$target->{name}"
 284         select $target->{arch}
 285         select LINUX_$kernel
 286 $features$help
 287
 288 EOF
 289         }
 290
 291         print <<EOF;
 292 if DEVEL
 293
 294 config LINUX_2_6_ARM
 295         bool "UNSUPPORTED little-endian arm platform"
 296         depends BROKEN
 297         select LINUX_2_6
 298         select arm
 299
 300 config LINUX_2_6_CRIS
 301         bool "UNSUPPORTED cris platform"
 302         depends BROKEN
 303         select LINUX_2_6
 304         select cris
 305
 306 config LINUX_2_6_M68K
 307         bool "UNSUPPORTED m68k platform"
 308         depends BROKEN
 309         select LINUX_2_6
 310         select m68k
 311
 312 config LINUX_2_6_SH3
 313         bool "UNSUPPORTED little-endian sh3 platform"
 314         depends BROKEN
 315         select LINUX_2_6
 316         select sh3
 317
 318 config LINUX_2_6_SH3EB
 319         bool "UNSUPPORTED big-endian sh3 platform"
 320         depends BROKEN
 321         select LINUX_2_6
 322         select sh3eb
 323
 324 config LINUX_2_6_SH4
 325         bool "UNSUPPORTED little-endian sh4 platform"
 326         depends BROKEN
 327         select LINUX_2_6
 328         select sh4
 329
 330 config LINUX_2_6_SH4EB
 331         bool "UNSUPPORTED big-endian sh4 platform"
 332         depends BROKEN
 333         select LINUX_2_6
 334         select sh4eb
 335
 336 config LINUX_2_6_SPARC
 337         bool "UNSUPPORTED sparc platform"
 338         depends BROKEN
 339         select LINUX_2_6
 340         select sparc
 341
 342 endif
 343
 344 endchoice
 345
 346 choice
 347         prompt "Target Profile"
 348
 349 EOF
 350
 351         foreach my $target (@target) {
 352                 my $profiles = $target->{profiles};
 353
 354                 foreach my $profile (@$profiles) {
 355                         print <<EOF;
 356 config LINUX_$target->{conf}_$profile->{id}
 357         bool "$profile->{name}"
 358         depends LINUX_$target->{conf}
 359 $profile->{config}
 360 EOF
 361                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
 362                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
 363                         foreach my $pkg (@pkglist) {
 364                                 print "\tselect DEFAULT_$pkg\n";
 365                         }
 366                         print "\n";
 367                 }
 368         }
 369
 370         print "endchoice\n";
 371 }
 372
 373
 374 sub find_package_dep($$) {
 375         my $pkg = shift;
 376         my $name = shift;
 377         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 378
 379         return 0 unless defined $deps;
 380         foreach my $dep (@{$deps}) {
 381                 return 1 if $dep eq $name;
 382                 return 1 if ($package{$dep} and (find_package_dep($package{$dep},$name) == 1));
 383         }
 384         return 0;
 385 }
 386
 387 sub package_depends($$) {
 388         my $a = shift;
 389         my $b = shift;
 390         my $ret;
 391
 392         return 0 if ($a->{submenu} ne $b->{submenu});
 393         if (find_package_dep($a, $b->{name}) == 1) {
 394                 $ret = 1;
 395         } elsif (find_package_dep($b, $a->{name}) == 1) {
 396                 $ret = -1;
 397         } else {
 398                 return 0;
 399         }
 400         return $ret;
 401 }
 402
 403 sub mconf_depends($$) {
 404         my $depends = shift;
 405         my $only_dep = shift;
 406         my $res;
 407
 408         $depends or return;
 409         my @depends = @$depends;
 410         foreach my $depend (@depends) {
 411                 my $m = "depends";
 412                 $depend =~ s/^([@\+]+)//;
 413                 my $flags = $1;
 414                 my $vdep;
 415
 416                 if ($vdep = $package{$depend}->{vdepends}) {
 417                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 418                 } else {
 419                         $flags =~ /\+/ and do {
 420                                 next if $only_dep;
 421                                 $m = "select";
 422
 423                                 # Menuconfig will not treat 'select FOO' as a real dependency
 424                                 # thus if FOO depends on other config options, these dependencies
 425                                 # will not be checked. To fix this, we simply emit all of FOO's
 426                                 # depends here as well.
 427                                 $package{$depend} and $res .= mconf_depends($package{$depend}->{depends}, 1);
 428                         };
 429                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 430                 }
 431                 $res .= "\t\t$m $depend\n";
 432         }
 433         return $res;
 434 }
 435
 436 sub print_package_config_category($) {
 437         my $cat = shift;
 438         my %menus;
 439         my %menu_dep;
 440
 441         return unless $category{$cat};
 442
 443         print "menu \"$cat\"\n\n";
 444         my %spkg = %{$category{$cat}};
 445
 446         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 447                 foreach my $pkg (@{$spkg{$spkg}}) {
 448                         my $menu = $pkg->{submenu};
 449                         if ($menu) {
 450                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 451                         } else {
 452                                 $menu = 'undef';
 453                         }
 454                         $menus{$menu} or $menus{$menu} = [];
 455                         push @{$menus{$menu}}, $pkg;
 456                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
 457                         print "\t\tbool\n\n";
 458                 }
 459         }
 460         my @menus = sort {
 461                 ($a eq 'undef' ?  1 : 0) or
 462                 ($b eq 'undef' ? -1 : 0) or
 463                 ($a cmp $b)
 464         } keys %menus;
 465
 466         foreach my $menu (@menus) {
 467                 my @pkgs = sort {
 468                         package_depends($a, $b) or
 469                         ($a->{name} cmp $b->{name})
 470                 } @{$menus{$menu}};
 471                 if ($menu ne 'undef') {
 472                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 473                         print "menu \"$menu\"\n";
 474                 }
 475                 foreach my $pkg (@pkgs) {
 476                         my $title = $pkg->{name};
 477                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 478                         if ($c > 0) {
 479                                 $title .= ("." x $c). " ". $pkg->{title};
 480                         }
 481                         print "\t";
 482                         $pkg->{menu} and print "menu";
 483                         print "config PACKAGE_".$pkg->{name}."\n";
 484                         print "\t\ttristate \"$title\"\n";
 485                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 486                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 487                                 print "\t\tdefault $default\n";
 488                         }
 489                         print mconf_depends($pkg->{depends}, 0);
 490                         print "\t\thelp\n";
 491                         print $pkg->{description};
 492                         print "\n";
 493
 494                         $pkg->{config} and print $pkg->{config}."\n";
 495                 }
 496                 if ($menu ne 'undef') {
 497                         print "endmenu\n";
 498                         $menu_dep{$menu} and print "endif\n";
 499                 }
 500         }
 501         print "endmenu\n\n";
 502
 503         undef $category{$cat};
 504 }
 505
 506 sub gen_package_config() {
 507         parse_package_metadata();
 508         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n";
 509         foreach my $preconfig (keys %preconfig) {
 510                 foreach my $cfg (@{$preconfig{$preconfig}}) {
 511                         my $conf = $cfg->{id};
 512                         $conf =~ tr/\.-/__/;
 513                         print <<EOF
 514         config UCI_PRECONFIG_$conf
 515                 string "$cfg->{label}" if UCI_PRECONFIG
 516                 depends PACKAGE_$preconfig
 517                 default "$cfg->{default}"
 518
 519 EOF
 520                 }
 521         }
 522         print_package_config_category 'Base system';
 523         foreach my $cat (keys %category) {
 524                 print_package_config_category $cat;
 525         }
 526 }
 527
 528 sub gen_package_mk() {
 529         my %conf;
 530         my %dep;
 531         my $line;
 532
 533         parse_package_metadata();
 534         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 535                 my $config;
 536                 my $pkg = $package{$name};
 537
 538                 next if defined $pkg->{vdepends};
 539                 if ($ENV{SDK}) {
 540                         $conf{$pkg->{src}} or do {
 541                                 $config = 'm';
 542                                 $conf{$pkg->{src}} = 1;
 543                         };
 544                 } else {
 545                         $config = "\$(CONFIG_PACKAGE_$name)"
 546                 }
 547                 if ($config) {
 548                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
 549                         $pkg->{prereq} and print "prereq-$config += $pkg->{src}\n";
 550                 }
 551
 552                 my $hasdeps = 0;
 553                 my $depline = "";
 554                 foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
 555                         next if $dep =~ /@/;
 556                         $dep =~ s/\+//;
 557                         my $idx;
 558                         my $pkg_dep = $package{$dep};
 559                         next if defined $pkg_dep->{vdepends};
 560
 561                         if (defined $pkg_dep->{src}) {
 562                                 ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 563                         } elsif (defined($srcpackage{$dep})) {
 564                                 $idx = $subdir{$dep}.$dep;
 565                         }
 566                         undef $idx if $idx =~ /^(kernel)|(base-files)$/;
 567                         if ($idx) {
 568                                 next if $dep{$pkg->{src}."->".$idx};
 569                                 $depline .= " $idx\-compile";
 570                                 $dep{$pkg->{src}."->".$idx} = 1;
 571                         }
 572                 }
 573                 if ($depline) {
 574                         $line .= $pkg->{subdir}."$pkg->{src}-compile: $depline\n";
 575                 }
 576         }
 577
 578         if ($line ne "") {
 579                 print "\n$line";
 580         }
 581         foreach my $preconfig (keys %preconfig) {
 582                 my $cmds;
 583                 foreach my $cfg (@{$preconfig{$preconfig}}) {
 584                         my $conf = $cfg->{id};
 585                         $conf =~ tr/\.-/__/;
 586                         $cmds .= "\techo \"uci set '$cfg->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
 587                 }
 588                 next unless $cmds;
 589                 print <<EOF
 590
 591 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
 592         ( \\
 593 $cmds \\
 594         ) > \$@
 595
 596 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
 597   preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
 598 endif
 599 EOF
 600         }
 601 }
 602
 603
 604 sub parse_command() {
 605         my $cmd = shift @ARGV;
 606         for ($cmd) {
 607                 /^target_mk$/ and return gen_target_mk();
 608                 /^target_config$/ and return gen_target_config();
 609                 /^package_mk$/ and return gen_package_mk();
 610                 /^package_config$/ and return gen_package_config();
 611                 /^kconfig/ and return gen_kconfig_overrides();
 612         }
 613         print <<EOF
 614 Available Commands:
 615         $0 target_mk [file]             Target metadata in makefile format
 616         $0 target_config [file]         Target metadata in Kconfig format
 617         $0 package_mk [file]            Package metadata in makefile format
 618         $0 package_config [file]        Package metadata in Kconfig format
 619         $0 kconfig [file] [config]      Kernel config overrides
 620
 621 EOF
 622 }
 623
 624 parse_command();