scripts/metadata.pl

   1 #!/usr/bin/perl
   2 use FindBin;
   3 use lib "$FindBin::Bin";
   4 use strict;
   5 use metadata;
   6
   7 my %board;
   8
   9 sub confstr($) {
  10         my $conf = shift;
  11         $conf =~ tr#/\.\-/#___#;
  12         return $conf;
  13 }
  14
  15 sub parse_target_metadata() {
  16         my $file = shift @ARGV;
  17         my ($target, @target, $profile);
  18         open FILE, "<$file" or do {
  19                 warn "Can't open file '$file': $!\n";
  20                 return;
  21         };
  22         while (<FILE>) {
  23                 chomp;
  24                 /^Target:\s*(.+)\s*$/ and do {
  25                         $target = {
  26                                 id => $1,
  27                                 conf => confstr($1),
  28                                 profiles => [],
  29                                 features => [],
  30                                 depends => []
  31                         };
  32                         push @target, $target;
  33                 };
  34                 /^Target-Board:\s*(.+)\s*$/ and do {
  35                         $target->{board} = $1;
  36                         $target->{boardconf} = confstr($1);
  37                 };
  38                 /^Target-Kernel:\s*(\d+\.\d+)\s*$/ and $target->{kernel} = $1;
  39                 /^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
  40                 /^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
  41                 /^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
  42                 /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
  43                 /^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
  44                 /^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
  45                 /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
  46                 /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
  47                 /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
  48                 /^Default-Packages:\s*(.+)\s*$/ and $target->{packages} = [ split(/\s+/, $1) ];
  49                 /^Target-Profile:\s*(.+)\s*$/ and do {
  50                         $profile = {
  51                                 id => $1,
  52                                 name => $1,
  53                                 packages => []
  54                         };
  55                         push @{$target->{profiles}}, $profile;
  56                 };
  57                 /^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
  58                 /^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
  59                 /^Target-Profile-Description:\s*(.*)\s*/ and $profile->{desc} = get_multiline(*FILE);
  60                 /^Target-Profile-Config:/ and $profile->{config} = get_multiline(*FILE, "\t");
  61                 /^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
  62         }
  63         close FILE;
  64         foreach my $target (@target) {
  65                 @{$target->{profiles}} > 0 or $target->{profiles} = [
  66                         {
  67                                 id => 'Default',
  68                                 name => 'Default',
  69                                 packages => []
  70                         }
  71                 ];
  72         }
  73         return @target;
  74 }
  75
  76 sub gen_kconfig_overrides() {
  77         my %config;
  78         my %kconfig;
  79         my $package;
  80         my $pkginfo = shift @ARGV;
  81         my $cfgfile = shift @ARGV;
  82
  83         # parameter 2: build system config
  84         open FILE, "<$cfgfile" or return;
  85         while (<FILE>) {
  86                 /^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
  87         }
  88         close FILE;
  89
  90         # parameter 1: package metadata
  91         open FILE, "<$pkginfo" or return;
  92         while (<FILE>) {
  93                 /^Package:\s*(.+?)\s*$/ and $package = $1;
  94                 /^Kernel-Config:\s*(.+?)\s*$/ and do {
  95                         my @config = split /\s+/, $1;
  96                         foreach my $config (@config) {
  97                                 my $val = 'm';
  98                                 my $override;
  99                                 if ($config =~ /^(.+?)=(.+)$/) {
 100                                         $config = $1;
 101                                         $override = 1;
 102                                         $val = $2;
 103                                 }
 104                                 if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
 105                                         $kconfig{$config} = $val;
 106                                 } elsif (!$override) {
 107                                         $kconfig{$config} or $kconfig{$config} = 'n';
 108                                 }
 109                         }
 110                 };
 111         };
 112         close FILE;
 113
 114         foreach my $kconfig (sort keys %kconfig) {
 115                 if ($kconfig{$kconfig} eq 'n') {
 116                         print "# $kconfig is not set\n";
 117                 } else {
 118                         print "$kconfig=$kconfig{$kconfig}\n";
 119                 }
 120         }
 121 }
 122
 123 sub merge_package_lists($$) {
 124         my $list1 = shift;
 125         my $list2 = shift;
 126         my @l = ();
 127         my %pkgs;
 128
 129         foreach my $pkg (@$list1, @$list2) {
 130                 $pkgs{$pkg} = 1;
 131         }
 132         foreach my $pkg (keys %pkgs) {
 133                 push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
 134         }
 135         return sort(@l);
 136 }
 137
 138 sub target_config_features(@) {
 139         my $ret;
 140
 141         while ($_ = shift @_) {
 142                 /broken/ and $ret .= "\tdepends BROKEN\n";
 143                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 144                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
 145                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
 146                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 147                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 148                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 149                 /tgz/ and $ret .= "\tselect USES_TGZ\n";
 150         }
 151         return $ret;
 152 }
 153
 154
 155 sub gen_target_config() {
 156         my @target = parse_target_metadata();
 157
 158         @target = sort {
 159                 $a->{name} cmp $b->{name}
 160         } @target;
 161
 162
 163         print <<EOF;
 164 choice
 165         prompt "Target System"
 166         default TARGET_brcm_2_4
 167         reset if !DEVEL
 168
 169 EOF
 170
 171         foreach my $target (@target) {
 172                 my $features = target_config_features(@{$target->{features}});
 173                 my $help = $target->{desc};
 174                 my $kernel = $target->{kernel};
 175                 $kernel =~ tr/./_/;
 176
 177                 chomp $features;
 178                 $features .= "\n";
 179                 if ($help =~ /\w+/) {
 180                         $help =~ s/^\s*/\t  /mg;
 181                         $help = "\thelp\n$help";
 182                 } else {
 183                         undef $help;
 184                 }
 185
 186                 print <<EOF;
 187 config TARGET_$target->{conf}
 188         bool "$target->{name}"
 189         select $target->{arch}
 190         select LINUX_$kernel
 191 EOF
 192                 if ($target->{id} ne $target->{board}) {
 193                         print "\tselect TARGET_".$target->{boardconf}."\n";
 194                 }
 195                 foreach my $dep (@{$target->{depends}}) {
 196                         my $mode = "depends";
 197                         my $flags;
 198                         my $name;
 199
 200                         $dep =~ /^([@\+\-]+)(.+)$/;
 201                         $flags = $1;
 202                         $name = $2;
 203
 204                         $flags =~ /-/ and $mode = "deselect";
 205                         $flags =~ /\+/ and $mode = "select";
 206                         $flags =~ /@/ and print "\t$mode $name\n";
 207                 }
 208
 209                 print "$features$help\n\n"
 210         }
 211
 212         print <<EOF;
 213 endchoice
 214
 215 config TARGET_BOARD
 216         string
 217 EOF
 218         foreach my $target (@target) {
 219                 print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
 220         }
 221
 222         # add hidden target config options
 223         foreach my $target (@target) {
 224                 next if $board{$target->{board}};
 225                 if ($target->{id} ne $target->{board}) {
 226                         print "\nconfig TARGET_".$target->{boardconf}."\n\tbool\n";
 227                         $board{$target->{board}} = 1;
 228                 }
 229         }
 230         print <<EOF;
 231
 232 choice
 233         prompt "Target Profile"
 234
 235 EOF
 236
 237         foreach my $target (@target) {
 238                 my $profiles = $target->{profiles};
 239
 240                 foreach my $profile (@$profiles) {
 241                         print <<EOF;
 242 config TARGET_$target->{conf}_$profile->{id}
 243         bool "$profile->{name}"
 244         depends TARGET_$target->{conf}
 245 $profile->{config}
 246 EOF
 247                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
 248                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
 249                         foreach my $pkg (@pkglist) {
 250                                 print "\tselect DEFAULT_$pkg\n";
 251                         }
 252                         print "\n";
 253                 }
 254         }
 255
 256         print "endchoice\n";
 257 }
 258
 259 my %dep_check;
 260 sub __find_package_dep($$) {
 261         my $pkg = shift;
 262         my $name = shift;
 263         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 264
 265         return 0 unless defined $deps;
 266         foreach my $dep (@{$deps}) {
 267                 next if $dep_check{$dep};
 268                 $dep_check{$dep} = 1;
 269                 return 1 if $dep eq $name;
 270                 return 1 if ($package{$dep} and (__find_package_dep($package{$dep},$name) == 1));
 271         }
 272         return 0;
 273 }
 274
 275 # wrapper to avoid infinite recursion
 276 sub find_package_dep($$) {
 277         my $pkg = shift;
 278         my $name = shift;
 279
 280         %dep_check = ();
 281         return __find_package_dep($pkg, $name);
 282 }
 283
 284 sub package_depends($$) {
 285         my $a = shift;
 286         my $b = shift;
 287         my $ret;
 288
 289         return 0 if ($a->{submenu} ne $b->{submenu});
 290         if (find_package_dep($a, $b->{name}) == 1) {
 291                 $ret = 1;
 292         } elsif (find_package_dep($b, $a->{name}) == 1) {
 293                 $ret = -1;
 294         } else {
 295                 return 0;
 296         }
 297         return $ret;
 298 }
 299
 300 sub mconf_depends($$) {
 301         my $depends = shift;
 302         my $only_dep = shift;
 303         my $res;
 304         my $dep = shift;
 305         $dep or $dep = {};
 306
 307         $depends or return;
 308         my @depends = @$depends;
 309         foreach my $depend (@depends) {
 310                 my $m = "depends";
 311                 $depend =~ s/^([@\+]+)//;
 312                 my $flags = $1;
 313                 my $vdep;
 314
 315                 if ($vdep = $package{$depend}->{vdepends}) {
 316                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 317                 } else {
 318                         $flags =~ /\+/ and do {
 319                                 next if $only_dep;
 320                                 $m = "select";
 321
 322                                 # Menuconfig will not treat 'select FOO' as a real dependency
 323                                 # thus if FOO depends on other config options, these dependencies
 324                                 # will not be checked. To fix this, we simply emit all of FOO's
 325                                 # depends here as well.
 326                                 $package{$depend} and mconf_depends($package{$depend}->{depends}, 1, $dep);
 327                         };
 328                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 329                 }
 330                 $dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
 331         }
 332         foreach my $depend (keys %$dep) {
 333                 my $m = $dep->{$depend};
 334                 $res .= "\t\t$m $depend\n";
 335         }
 336         return $res;
 337 }
 338
 339 sub print_package_config_category($) {
 340         my $cat = shift;
 341         my %menus;
 342         my %menu_dep;
 343
 344         return unless $category{$cat};
 345
 346         print "menu \"$cat\"\n\n";
 347         my %spkg = %{$category{$cat}};
 348
 349         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 350                 foreach my $pkg (@{$spkg{$spkg}}) {
 351                         my $menu = $pkg->{submenu};
 352                         if ($menu) {
 353                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 354                         } else {
 355                                 $menu = 'undef';
 356                         }
 357                         $menus{$menu} or $menus{$menu} = [];
 358                         push @{$menus{$menu}}, $pkg;
 359                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
 360                         print "\t\tbool\n\n";
 361                 }
 362         }
 363         my @menus = sort {
 364                 ($a eq 'undef' ?  1 : 0) or
 365                 ($b eq 'undef' ? -1 : 0) or
 366                 ($a cmp $b)
 367         } keys %menus;
 368
 369         foreach my $menu (@menus) {
 370                 my @pkgs = sort {
 371                         package_depends($a, $b) or
 372                         ($a->{name} cmp $b->{name})
 373                 } @{$menus{$menu}};
 374                 if ($menu ne 'undef') {
 375                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 376                         print "menu \"$menu\"\n";
 377                 }
 378                 foreach my $pkg (@pkgs) {
 379                         my $title = $pkg->{name};
 380                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 381                         if ($c > 0) {
 382                                 $title .= ("." x $c). " ". $pkg->{title};
 383                         }
 384                         print "\t";
 385                         $pkg->{menu} and print "menu";
 386                         print "config PACKAGE_".$pkg->{name}."\n";
 387                         print "\t\t".($pkg->{tristate} ? 'tristate' : 'bool')." \"$title\"\n";
 388                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 389                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 390                                 print "\t\tdefault $default\n";
 391                         }
 392                         print mconf_depends($pkg->{depends}, 0);
 393                         print "\t\thelp\n";
 394                         print $pkg->{description};
 395                         print "\n";
 396
 397                         $pkg->{config} and print $pkg->{config}."\n";
 398                 }
 399                 if ($menu ne 'undef') {
 400                         print "endmenu\n";
 401                         $menu_dep{$menu} and print "endif\n";
 402                 }
 403         }
 404         print "endmenu\n\n";
 405
 406         undef $category{$cat};
 407 }
 408
 409 sub gen_package_config() {
 410         parse_package_metadata($ARGV[0]) or exit 1;
 411         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n";
 412         foreach my $preconfig (keys %preconfig) {
 413                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 414                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 415                         $conf =~ tr/\.-/__/;
 416                         print <<EOF
 417         config UCI_PRECONFIG_$conf
 418                 string "$preconfig{$preconfig}->{$cfg}->{label}" if UCI_PRECONFIG
 419                 depends PACKAGE_$preconfig
 420                 default "$preconfig{$preconfig}->{$cfg}->{default}"
 421
 422 EOF
 423                 }
 424         }
 425         print_package_config_category 'Base system';
 426         foreach my $cat (keys %category) {
 427                 print_package_config_category $cat;
 428         }
 429 }
 430
 431 sub gen_package_mk() {
 432         my %conf;
 433         my %dep;
 434         my $line;
 435
 436         parse_package_metadata($ARGV[0]) or exit 1;
 437         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 438                 my $config;
 439                 my $pkg = $package{$name};
 440
 441                 next if defined $pkg->{vdepends};
 442                 if ($ENV{SDK}) {
 443                         $conf{$pkg->{src}} or do {
 444                                 $config = 'm';
 445                                 $conf{$pkg->{src}} = 1;
 446                         };
 447                 } else {
 448                         $config = "\$(CONFIG_PACKAGE_$name)"
 449                 }
 450                 if ($config) {
 451                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
 452                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
 453                 }
 454
 455                 my $hasdeps = 0;
 456                 my $depline = "";
 457                 foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
 458                         next if $dep =~ /@/;
 459                         $dep =~ s/\+//;
 460                         my $idx;
 461                         my $pkg_dep = $package{$dep};
 462                         next if defined $pkg_dep->{vdepends};
 463
 464                         if (defined $pkg_dep->{src}) {
 465                                 ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 466                         } elsif (defined($srcpackage{$dep})) {
 467                                 $idx = $subdir{$dep}.$dep;
 468                         }
 469                         undef $idx if $idx =~ /^(kernel)|(base-files)$/;
 470                         if ($idx) {
 471                                 next if $dep{$pkg->{src}."->".$idx};
 472                                 $depline .= " \$(curdir)/$idx/compile";
 473                                 $dep{$pkg->{src}."->".$idx} = 1;
 474                         }
 475                 }
 476                 if ($depline) {
 477                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
 478                 }
 479         }
 480
 481         if ($line ne "") {
 482                 print "\n$line";
 483         }
 484         foreach my $preconfig (keys %preconfig) {
 485                 my $cmds;
 486                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 487                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 488                         $conf =~ tr/\.-/__/;
 489                         $cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
 490                 }
 491                 next unless $cmds;
 492                 print <<EOF
 493
 494 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
 495         ( \\
 496 $cmds \\
 497         ) > \$@
 498
 499 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
 500   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
 501 endif
 502 EOF
 503         }
 504 }
 505
 506
 507 sub parse_command() {
 508         my $cmd = shift @ARGV;
 509         for ($cmd) {
 510                 /^target_config$/ and return gen_target_config();
 511                 /^package_mk$/ and return gen_package_mk();
 512                 /^package_config$/ and return gen_package_config();
 513                 /^kconfig/ and return gen_kconfig_overrides();
 514         }
 515         print <<EOF
 516 Available Commands:
 517         $0 target_config [file]         Target metadata in Kconfig format
 518         $0 package_mk [file]            Package metadata in makefile format
 519         $0 package_config [file]        Package metadata in Kconfig format
 520         $0 kconfig [file] [config]      Kernel config overrides
 521
 522 EOF
 523 }
 524
 525 parse_command();