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 %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 gen_target_mk() {
 203         my @target = parse_target_metadata();
 204
 205         @target = sort {
 206                 $a->{id} cmp $b->{id}
 207         } @target;
 208
 209         foreach my $target (@target) {
 210                 my ($profiles_def, $profiles_eval);
 211                 my $conf = uc $target->{kernel}.'_'.$target->{board};
 212                 $conf =~ tr/\.-/__/;
 213
 214                 foreach my $profile (@{$target->{profiles}}) {
 215                         $profiles_def .= "
 216   define Profile/$conf\_$profile->{id}
 217     ID:=$profile->{id}
 218     NAME:=$profile->{name}
 219     PACKAGES:=".join(" ", merge_package_lists($target->{packages}, $profile->{packages}))."\n";
 220                         $profile->{kconfig} and $profiles_def .= "    KCONFIG:=1\n";
 221                         $profiles_def .= "  endef";
 222                         $profiles_eval .= "
 223 \$(eval \$(call AddProfile,$conf\_$profile->{id}))"
 224                 }
 225                 print "
 226 ifeq (\$(CONFIG_LINUX_$conf),y)
 227   define Target
 228     KERNEL:=$target->{kernel}
 229     BOARD:=$target->{board}
 230     BOARDNAME:=$target->{name}
 231     LINUX_VERSION:=$target->{version}
 232     LINUX_RELEASE:=$target->{release}
 233     LINUX_KARCH:=$target->{karch}
 234     DEFAULT_PACKAGES:=".join(" ", @{$target->{packages}})."
 235   endef$profiles_def
 236 endif$profiles_eval
 237
 238 "
 239         }
 240         print "\$(eval \$(call Target))\n";
 241 }
 242
 243 sub target_config_features(@) {
 244         my $ret;
 245
 246         while ($_ = shift @_) {
 247                 /broken/ and $ret .= "\tdepends BROKEN\n";
 248                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 249                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
 250                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
 251                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 252                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 253                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 254                 /tgz/ and $ret .= "\tselect USES_TGZ\n";
 255         }
 256         return $ret;
 257 }
 258
 259
 260 sub gen_target_config() {
 261         my @target = parse_target_metadata();
 262
 263         @target = sort {
 264                 $a->{name} cmp $b->{name}
 265         } @target;
 266
 267
 268         print <<EOF;
 269 choice
 270         prompt "Target System"
 271         default LINUX_2_4_BRCM
 272         reset if !DEVEL
 273
 274 EOF
 275
 276         foreach my $target (@target) {
 277                 my $features = target_config_features(@{$target->{features}});
 278                 my $help = $target->{desc};
 279                 my $kernel = $target->{kernel};
 280                 $kernel =~ tr/./_/;
 281
 282                 chomp $features;
 283                 $features .= "\n";
 284                 if ($help =~ /\w+/) {
 285                         $help =~ s/^\s*/\t  /mg;
 286                         $help = "\thelp\n$help";
 287                 } else {
 288                         undef $help;
 289                 }
 290
 291                 print <<EOF
 292 config LINUX_$target->{conf}
 293         bool "$target->{name}"
 294         select $target->{arch}
 295         select LINUX_$kernel
 296 $features$help
 297
 298 EOF
 299         }
 300
 301         print <<EOF;
 302 if DEVEL
 303
 304 config LINUX_2_6_ARM
 305         bool "UNSUPPORTED little-endian arm platform"
 306         depends BROKEN
 307         select LINUX_2_6
 308         select arm
 309
 310 config LINUX_2_6_CRIS
 311         bool "UNSUPPORTED cris platform"
 312         depends BROKEN
 313         select LINUX_2_6
 314         select cris
 315
 316 config LINUX_2_6_M68K
 317         bool "UNSUPPORTED m68k platform"
 318         depends BROKEN
 319         select LINUX_2_6
 320         select m68k
 321
 322 config LINUX_2_6_SH3
 323         bool "UNSUPPORTED little-endian sh3 platform"
 324         depends BROKEN
 325         select LINUX_2_6
 326         select sh3
 327
 328 config LINUX_2_6_SH3EB
 329         bool "UNSUPPORTED big-endian sh3 platform"
 330         depends BROKEN
 331         select LINUX_2_6
 332         select sh3eb
 333
 334 config LINUX_2_6_SH4
 335         bool "UNSUPPORTED little-endian sh4 platform"
 336         depends BROKEN
 337         select LINUX_2_6
 338         select sh4
 339
 340 config LINUX_2_6_SH4EB
 341         bool "UNSUPPORTED big-endian sh4 platform"
 342         depends BROKEN
 343         select LINUX_2_6
 344         select sh4eb
 345
 346 config LINUX_2_6_SPARC
 347         bool "UNSUPPORTED sparc platform"
 348         depends BROKEN
 349         select LINUX_2_6
 350         select sparc
 351
 352 endif
 353
 354 endchoice
 355
 356 choice
 357         prompt "Target Profile"
 358
 359 EOF
 360
 361         foreach my $target (@target) {
 362                 my $profiles = $target->{profiles};
 363
 364                 foreach my $profile (@$profiles) {
 365                         print <<EOF;
 366 config LINUX_$target->{conf}_$profile->{id}
 367         bool "$profile->{name}"
 368         depends LINUX_$target->{conf}
 369 $profile->{config}
 370 EOF
 371                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
 372                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
 373                         foreach my $pkg (@pkglist) {
 374                                 print "\tselect DEFAULT_$pkg\n";
 375                         }
 376                         print "\n";
 377                 }
 378         }
 379
 380         print "endchoice\n";
 381 }
 382
 383
 384 sub find_package_dep($$) {
 385         my $pkg = shift;
 386         my $name = shift;
 387         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 388
 389         return 0 unless defined $deps;
 390         foreach my $dep (@{$deps}) {
 391                 return 1 if $dep eq $name;
 392                 return 1 if ($package{$dep} and (find_package_dep($package{$dep},$name) == 1));
 393         }
 394         return 0;
 395 }
 396
 397 sub package_depends($$) {
 398         my $a = shift;
 399         my $b = shift;
 400         my $ret;
 401
 402         return 0 if ($a->{submenu} ne $b->{submenu});
 403         if (find_package_dep($a, $b->{name}) == 1) {
 404                 $ret = 1;
 405         } elsif (find_package_dep($b, $a->{name}) == 1) {
 406                 $ret = -1;
 407         } else {
 408                 return 0;
 409         }
 410         return $ret;
 411 }
 412
 413 sub mconf_depends($$) {
 414         my $depends = shift;
 415         my $only_dep = shift;
 416         my $res;
 417
 418         $depends or return;
 419         my @depends = @$depends;
 420         foreach my $depend (@depends) {
 421                 my $m = "depends";
 422                 $depend =~ s/^([@\+]+)//;
 423                 my $flags = $1;
 424                 my $vdep;
 425
 426                 if ($vdep = $package{$depend}->{vdepends}) {
 427                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 428                 } else {
 429                         $flags =~ /\+/ and do {
 430                                 next if $only_dep;
 431                                 $m = "select";
 432
 433                                 # Menuconfig will not treat 'select FOO' as a real dependency
 434                                 # thus if FOO depends on other config options, these dependencies
 435                                 # will not be checked. To fix this, we simply emit all of FOO's
 436                                 # depends here as well.
 437                                 $package{$depend} and $res .= mconf_depends($package{$depend}->{depends}, 1);
 438                         };
 439                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 440                 }
 441                 $res .= "\t\t$m $depend\n";
 442         }
 443         return $res;
 444 }
 445
 446 sub print_package_config_category($) {
 447         my $cat = shift;
 448         my %menus;
 449         my %menu_dep;
 450
 451         return unless $category{$cat};
 452
 453         print "menu \"$cat\"\n\n";
 454         my %spkg = %{$category{$cat}};
 455
 456         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 457                 foreach my $pkg (@{$spkg{$spkg}}) {
 458                         my $menu = $pkg->{submenu};
 459                         if ($menu) {
 460                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 461                         } else {
 462                                 $menu = 'undef';
 463                         }
 464                         $menus{$menu} or $menus{$menu} = [];
 465                         push @{$menus{$menu}}, $pkg;
 466                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
 467                         print "\t\tbool\n\n";
 468                 }
 469         }
 470         my @menus = sort {
 471                 ($a eq 'undef' ?  1 : 0) or
 472                 ($b eq 'undef' ? -1 : 0) or
 473                 ($a cmp $b)
 474         } keys %menus;
 475
 476         foreach my $menu (@menus) {
 477                 my @pkgs = sort {
 478                         package_depends($a, $b) or
 479                         ($a->{name} cmp $b->{name})
 480                 } @{$menus{$menu}};
 481                 if ($menu ne 'undef') {
 482                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 483                         print "menu \"$menu\"\n";
 484                 }
 485                 foreach my $pkg (@pkgs) {
 486                         my $title = $pkg->{name};
 487                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 488                         if ($c > 0) {
 489                                 $title .= ("." x $c). " ". $pkg->{title};
 490                         }
 491                         print "\t";
 492                         $pkg->{menu} and print "menu";
 493                         print "config PACKAGE_".$pkg->{name}."\n";
 494                         print "\t\ttristate \"$title\"\n";
 495                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 496                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 497                                 print "\t\tdefault $default\n";
 498                         }
 499                         print mconf_depends($pkg->{depends}, 0);
 500                         print "\t\thelp\n";
 501                         print $pkg->{description};
 502                         print "\n";
 503
 504                         $pkg->{config} and print $pkg->{config}."\n";
 505                 }
 506                 if ($menu ne 'undef') {
 507                         print "endmenu\n";
 508                         $menu_dep{$menu} and print "endif\n";
 509                 }
 510         }
 511         print "endmenu\n\n";
 512
 513         undef $category{$cat};
 514 }
 515
 516 sub gen_package_config() {
 517         parse_package_metadata();
 518         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n";
 519         foreach my $preconfig (keys %preconfig) {
 520                 foreach my $cfg (@{$preconfig{$preconfig}}) {
 521                         my $conf = $cfg->{id};
 522                         $conf =~ tr/\.-/__/;
 523                         print <<EOF
 524         config UCI_PRECONFIG_$conf
 525                 string "$cfg->{label}" if UCI_PRECONFIG
 526                 depends PACKAGE_$preconfig
 527                 default "$cfg->{default}"
 528
 529 EOF
 530                 }
 531         }
 532         print_package_config_category 'Base system';
 533         foreach my $cat (keys %category) {
 534                 print_package_config_category $cat;
 535         }
 536 }
 537
 538 sub gen_package_mk() {
 539         my %conf;
 540         my %dep;
 541         my $line;
 542
 543         parse_package_metadata();
 544         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 545                 my $config;
 546                 my $pkg = $package{$name};
 547
 548                 next if defined $pkg->{vdepends};
 549                 if ($ENV{SDK}) {
 550                         $conf{$pkg->{src}} or do {
 551                                 $config = 'm';
 552                                 $conf{$pkg->{src}} = 1;
 553                         };
 554                 } else {
 555                         $config = "\$(CONFIG_PACKAGE_$name)"
 556                 }
 557                 if ($config) {
 558                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
 559                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
 560                 }
 561
 562                 my $hasdeps = 0;
 563                 my $depline = "";
 564                 foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
 565                         next if $dep =~ /@/;
 566                         $dep =~ s/\+//;
 567                         my $idx;
 568                         my $pkg_dep = $package{$dep};
 569                         next if defined $pkg_dep->{vdepends};
 570
 571                         if (defined $pkg_dep->{src}) {
 572                                 ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 573                         } elsif (defined($srcpackage{$dep})) {
 574                                 $idx = $subdir{$dep}.$dep;
 575                         }
 576                         undef $idx if $idx =~ /^(kernel)|(base-files)$/;
 577                         if ($idx) {
 578                                 next if $dep{$pkg->{src}."->".$idx};
 579                                 $depline .= " \$(curdir)/$idx/compile";
 580                                 $dep{$pkg->{src}."->".$idx} = 1;
 581                         }
 582                 }
 583                 if ($depline) {
 584                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
 585                 }
 586         }
 587
 588         if ($line ne "") {
 589                 print "\n$line";
 590         }
 591         foreach my $preconfig (keys %preconfig) {
 592                 my $cmds;
 593                 foreach my $cfg (@{$preconfig{$preconfig}}) {
 594                         my $conf = $cfg->{id};
 595                         $conf =~ tr/\.-/__/;
 596                         $cmds .= "\techo \"uci set '$cfg->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
 597                 }
 598                 next unless $cmds;
 599                 print <<EOF
 600
 601 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
 602         ( \\
 603 $cmds \\
 604         ) > \$@
 605
 606 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
 607   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
 608 endif
 609 EOF
 610         }
 611 }
 612
 613
 614 sub parse_command() {
 615         my $cmd = shift @ARGV;
 616         for ($cmd) {
 617                 /^target_mk$/ and return gen_target_mk();
 618                 /^target_config$/ and return gen_target_config();
 619                 /^package_mk$/ and return gen_package_mk();
 620                 /^package_config$/ and return gen_package_config();
 621                 /^kconfig/ and return gen_kconfig_overrides();
 622         }
 623         print <<EOF
 624 Available Commands:
 625         $0 target_mk [file]             Target metadata in makefile format
 626         $0 target_config [file]         Target metadata in Kconfig format
 627         $0 package_mk [file]            Package metadata in makefile format
 628         $0 package_config [file]        Package metadata in Kconfig format
 629         $0 kconfig [file] [config]      Kernel config overrides
 630
 631 EOF
 632 }
 633
 634 parse_command();