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, $profile);
  23         while (<>) {
  24                 chomp;
  25                 /^Target:\s*(.+)\s*$/ and do {
  26                         my $conf = $1;
  27                         $conf =~ tr#/\.\-/#___#;
  28                         $target = {
  29                                 id => $1,
  30                                 conf => $conf,
  31                                 profiles => []
  32                         };
  33                         push @target, $target;
  34                 };
  35                 /^Target-Board:\s*(.+)\s*$/ and $target->{board} = $1;
  36                 /^Target-Kernel:\s*(\d+\.\d+)\s*$/ and $target->{kernel} = $1;
  37                 /^Target-Name:\s*(.+)\s*$/ 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 %kconfig;
 143         my $package;
 144         my $pkginfo = shift @ARGV;
 145         my $cfgfile = shift @ARGV;
 146
 147         # parameter 2: build system config
 148         open FILE, "<$cfgfile" or return;
 149         while (<FILE>) {
 150                 /^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
 151         }
 152         close FILE;
 153
 154         # parameter 1: package metadata
 155         open FILE, "<$pkginfo" or return;
 156         while (<FILE>) {
 157                 /^Package:\s*(.+?)\s*$/ and $package = $1;
 158                 /^Kernel-Config:\s*(.+?)\s*$/ and do {
 159                         my @config = split /\s+/, $1;
 160                         foreach my $config (@config) {
 161                                 my $val = 'm';
 162                                 my $override;
 163                                 if ($config =~ /^(.+?)=(.+)$/) {
 164                                         $config = $1;
 165                                         $override = 1;
 166                                         $val = $2;
 167                                 }
 168                                 if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
 169                                         $kconfig{$config} = $val;
 170                                 } elsif (!$override) {
 171                                         $kconfig{$config} or $kconfig{$config} = 'n';
 172                                 }
 173                         }
 174                 };
 175         };
 176         close FILE;
 177
 178         foreach my $kconfig (sort keys %kconfig) {
 179                 if ($kconfig{$kconfig} eq 'n') {
 180                         print "# $kconfig is not set\n";
 181                 } else {
 182                         print "$kconfig=$kconfig{$kconfig}\n";
 183                 }
 184         }
 185 }
 186
 187 sub merge_package_lists($$) {
 188         my $list1 = shift;
 189         my $list2 = shift;
 190         my @l = ();
 191         my %pkgs;
 192
 193         foreach my $pkg (@$list1, @$list2) {
 194                 $pkgs{$pkg} = 1;
 195         }
 196         foreach my $pkg (keys %pkgs) {
 197                 push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
 198         }
 199         return sort(@l);
 200 }
 201
 202 sub target_config_features(@) {
 203         my $ret;
 204
 205         while ($_ = shift @_) {
 206                 /broken/ and $ret .= "\tdepends BROKEN\n";
 207                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 208                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
 209                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
 210                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 211                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 212                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 213                 /tgz/ and $ret .= "\tselect USES_TGZ\n";
 214         }
 215         return $ret;
 216 }
 217
 218
 219 sub gen_target_config() {
 220         my @target = parse_target_metadata();
 221
 222         @target = sort {
 223                 $a->{name} cmp $b->{name}
 224         } @target;
 225
 226
 227         print <<EOF;
 228 choice
 229         prompt "Target System"
 230         default TARGET_brcm_2_4
 231         reset if !DEVEL
 232
 233 EOF
 234
 235         foreach my $target (@target) {
 236                 my $features = target_config_features(@{$target->{features}});
 237                 my $help = $target->{desc};
 238                 my $kernel = $target->{kernel};
 239                 $kernel =~ tr/./_/;
 240
 241                 chomp $features;
 242                 $features .= "\n";
 243                 if ($help =~ /\w+/) {
 244                         $help =~ s/^\s*/\t  /mg;
 245                         $help = "\thelp\n$help";
 246                 } else {
 247                         undef $help;
 248                 }
 249
 250                 print <<EOF
 251 config TARGET_$target->{conf}
 252         bool "$target->{name}"
 253         select $target->{arch}
 254         select LINUX_$kernel
 255 $features$help
 256
 257 EOF
 258         }
 259
 260         print <<EOF;
 261 endchoice
 262
 263 config TARGET_BOARD
 264         string
 265 EOF
 266         foreach my $target (@target) {
 267                 print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
 268         }
 269         print <<EOF;
 270
 271 choice
 272         prompt "Target Profile"
 273
 274 EOF
 275
 276         foreach my $target (@target) {
 277                 my $profiles = $target->{profiles};
 278
 279                 foreach my $profile (@$profiles) {
 280                         print <<EOF;
 281 config TARGET_$target->{conf}_$profile->{id}
 282         bool "$profile->{name}"
 283         depends TARGET_$target->{conf}
 284 $profile->{config}
 285 EOF
 286                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
 287                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
 288                         foreach my $pkg (@pkglist) {
 289                                 print "\tselect DEFAULT_$pkg\n";
 290                         }
 291                         print "\n";
 292                 }
 293         }
 294
 295         print "endchoice\n";
 296 }
 297
 298
 299 sub find_package_dep($$) {
 300         my $pkg = shift;
 301         my $name = shift;
 302         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 303
 304         return 0 unless defined $deps;
 305         foreach my $dep (@{$deps}) {
 306                 return 1 if $dep eq $name;
 307                 return 1 if ($package{$dep} and (find_package_dep($package{$dep},$name) == 1));
 308         }
 309         return 0;
 310 }
 311
 312 sub package_depends($$) {
 313         my $a = shift;
 314         my $b = shift;
 315         my $ret;
 316
 317         return 0 if ($a->{submenu} ne $b->{submenu});
 318         if (find_package_dep($a, $b->{name}) == 1) {
 319                 $ret = 1;
 320         } elsif (find_package_dep($b, $a->{name}) == 1) {
 321                 $ret = -1;
 322         } else {
 323                 return 0;
 324         }
 325         return $ret;
 326 }
 327
 328 sub mconf_depends($$) {
 329         my $depends = shift;
 330         my $only_dep = shift;
 331         my $res;
 332
 333         $depends or return;
 334         my @depends = @$depends;
 335         foreach my $depend (@depends) {
 336                 my $m = "depends";
 337                 $depend =~ s/^([@\+]+)//;
 338                 my $flags = $1;
 339                 my $vdep;
 340
 341                 if ($vdep = $package{$depend}->{vdepends}) {
 342                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 343                 } else {
 344                         $flags =~ /\+/ and do {
 345                                 next if $only_dep;
 346                                 $m = "select";
 347
 348                                 # Menuconfig will not treat 'select FOO' as a real dependency
 349                                 # thus if FOO depends on other config options, these dependencies
 350                                 # will not be checked. To fix this, we simply emit all of FOO's
 351                                 # depends here as well.
 352                                 $package{$depend} and $res .= mconf_depends($package{$depend}->{depends}, 1);
 353                         };
 354                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 355                 }
 356                 $res .= "\t\t$m $depend\n";
 357         }
 358         return $res;
 359 }
 360
 361 sub print_package_config_category($) {
 362         my $cat = shift;
 363         my %menus;
 364         my %menu_dep;
 365
 366         return unless $category{$cat};
 367
 368         print "menu \"$cat\"\n\n";
 369         my %spkg = %{$category{$cat}};
 370
 371         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 372                 foreach my $pkg (@{$spkg{$spkg}}) {
 373                         my $menu = $pkg->{submenu};
 374                         if ($menu) {
 375                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 376                         } else {
 377                                 $menu = 'undef';
 378                         }
 379                         $menus{$menu} or $menus{$menu} = [];
 380                         push @{$menus{$menu}}, $pkg;
 381                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
 382                         print "\t\tbool\n\n";
 383                 }
 384         }
 385         my @menus = sort {
 386                 ($a eq 'undef' ?  1 : 0) or
 387                 ($b eq 'undef' ? -1 : 0) or
 388                 ($a cmp $b)
 389         } keys %menus;
 390
 391         foreach my $menu (@menus) {
 392                 my @pkgs = sort {
 393                         package_depends($a, $b) or
 394                         ($a->{name} cmp $b->{name})
 395                 } @{$menus{$menu}};
 396                 if ($menu ne 'undef') {
 397                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 398                         print "menu \"$menu\"\n";
 399                 }
 400                 foreach my $pkg (@pkgs) {
 401                         my $title = $pkg->{name};
 402                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 403                         if ($c > 0) {
 404                                 $title .= ("." x $c). " ". $pkg->{title};
 405                         }
 406                         print "\t";
 407                         $pkg->{menu} and print "menu";
 408                         print "config PACKAGE_".$pkg->{name}."\n";
 409                         print "\t\ttristate \"$title\"\n";
 410                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 411                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 412                                 print "\t\tdefault $default\n";
 413                         }
 414                         print mconf_depends($pkg->{depends}, 0);
 415                         print "\t\thelp\n";
 416                         print $pkg->{description};
 417                         print "\n";
 418
 419                         $pkg->{config} and print $pkg->{config}."\n";
 420                 }
 421                 if ($menu ne 'undef') {
 422                         print "endmenu\n";
 423                         $menu_dep{$menu} and print "endif\n";
 424                 }
 425         }
 426         print "endmenu\n\n";
 427
 428         undef $category{$cat};
 429 }
 430
 431 sub gen_package_config() {
 432         parse_package_metadata();
 433         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n";
 434         foreach my $preconfig (keys %preconfig) {
 435                 foreach my $cfg (@{$preconfig{$preconfig}}) {
 436                         my $conf = $cfg->{id};
 437                         $conf =~ tr/\.-/__/;
 438                         print <<EOF
 439         config UCI_PRECONFIG_$conf
 440                 string "$cfg->{label}" if UCI_PRECONFIG
 441                 depends PACKAGE_$preconfig
 442                 default "$cfg->{default}"
 443
 444 EOF
 445                 }
 446         }
 447         print_package_config_category 'Base system';
 448         foreach my $cat (keys %category) {
 449                 print_package_config_category $cat;
 450         }
 451 }
 452
 453 sub gen_package_mk() {
 454         my %conf;
 455         my %dep;
 456         my $line;
 457
 458         parse_package_metadata();
 459         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 460                 my $config;
 461                 my $pkg = $package{$name};
 462
 463                 next if defined $pkg->{vdepends};
 464                 if ($ENV{SDK}) {
 465                         $conf{$pkg->{src}} or do {
 466                                 $config = 'm';
 467                                 $conf{$pkg->{src}} = 1;
 468                         };
 469                 } else {
 470                         $config = "\$(CONFIG_PACKAGE_$name)"
 471                 }
 472                 if ($config) {
 473                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
 474                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
 475                 }
 476
 477                 my $hasdeps = 0;
 478                 my $depline = "";
 479                 foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
 480                         next if $dep =~ /@/;
 481                         $dep =~ s/\+//;
 482                         my $idx;
 483                         my $pkg_dep = $package{$dep};
 484                         next if defined $pkg_dep->{vdepends};
 485
 486                         if (defined $pkg_dep->{src}) {
 487                                 ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 488                         } elsif (defined($srcpackage{$dep})) {
 489                                 $idx = $subdir{$dep}.$dep;
 490                         }
 491                         undef $idx if $idx =~ /^(kernel)|(base-files)$/;
 492                         if ($idx) {
 493                                 next if $dep{$pkg->{src}."->".$idx};
 494                                 $depline .= " \$(curdir)/$idx/compile";
 495                                 $dep{$pkg->{src}."->".$idx} = 1;
 496                         }
 497                 }
 498                 if ($depline) {
 499                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
 500                 }
 501         }
 502
 503         if ($line ne "") {
 504                 print "\n$line";
 505         }
 506         foreach my $preconfig (keys %preconfig) {
 507                 my $cmds;
 508                 foreach my $cfg (@{$preconfig{$preconfig}}) {
 509                         my $conf = $cfg->{id};
 510                         $conf =~ tr/\.-/__/;
 511                         $cmds .= "\techo \"uci set '$cfg->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
 512                 }
 513                 next unless $cmds;
 514                 print <<EOF
 515
 516 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
 517         ( \\
 518 $cmds \\
 519         ) > \$@
 520
 521 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
 522   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
 523 endif
 524 EOF
 525         }
 526 }
 527
 528
 529 sub parse_command() {
 530         my $cmd = shift @ARGV;
 531         for ($cmd) {
 532                 /^target_config$/ and return gen_target_config();
 533                 /^package_mk$/ and return gen_package_mk();
 534                 /^package_config$/ and return gen_package_config();
 535                 /^kconfig/ and return gen_kconfig_overrides();
 536         }
 537         print <<EOF
 538 Available Commands:
 539         $0 target_config [file]         Target metadata in Kconfig format
 540         $0 package_mk [file]            Package metadata in makefile format
 541         $0 package_config [file]        Package metadata in Kconfig format
 542         $0 kconfig [file] [config]      Kernel config overrides
 543
 544 EOF
 545 }
 546
 547 parse_command();