scripts/metadata.pl

   1 #!/usr/bin/perl
   2 use strict;
   3 my %package;
   4 my %category;
   5
   6 sub parse_target_metadata() {
   7         my ($target, @target, $profile);
   8         while (<>) {
   9                 chomp;
  10                 /^Target:\s*((.+)-(\d+\.\d+))\s*$/ and do {
  11                         my $conf = uc $3.'_'.$2;
  12                         $conf =~ tr/\.-/__/;
  13                         $target = {
  14                                 id => $1,
  15                                 conf => $conf,
  16                                 board => $2,
  17                                 kernel => $3,
  18                                 profiles => []
  19                         };
  20                         push @target, $target;
  21                 };
  22                 /^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
  23                 /^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
  24                 /^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
  25                 /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
  26                 /^Target-Description:/ and do {
  27                         my $desc;
  28                         while (<>) {
  29                                 last if /^@@/;
  30                                 $desc .= $_;
  31                         }
  32                         $target->{desc} = $desc;
  33                 };
  34                 /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
  35                 /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
  36                 /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
  37                 /^Default-Packages:\s*(.+)\s*$/ and $target->{packages} = [ split(/\s+/, $1) ];
  38                 /^Target-Profile:\s*(.+)\s*$/ and do {
  39                         $profile = {
  40                                 id => $1,
  41                                 name => $1,
  42                                 packages => []
  43                         };
  44                         push @{$target->{profiles}}, $profile;
  45                 };
  46                 /^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
  47                 /^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
  48                 /^Target-Profile-Description:/ and do {
  49                         my $desc;
  50                         while (<>) {
  51                                 last if /^@@/;
  52                                 $desc .= $_;
  53                         }
  54                         $profile->{desc} = $desc;
  55                 };
  56                 /^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
  57         }
  58         foreach my $target (@target) {
  59                 @{$target->{profiles}} > 0 or $target->{profiles} = [
  60                         {
  61                                 id => 'Default',
  62                                 name => 'Default',
  63                                 packages => []
  64                         }
  65                 ];
  66         }
  67         return @target;
  68 }
  69
  70 sub parse_package_metadata() {
  71         my $pkg;
  72         my $makefile;
  73         my $src;
  74         while (<>) {
  75                 chomp;
  76                 /^Source-Makefile: \s*(.+\/([^\/]+)\/Makefile)\s*$/ and do {
  77                         $makefile = $1;
  78                         $src = $2;
  79                         undef $pkg;
  80                 };
  81                 /^Package: \s*(.+)\s*$/ and do {
  82                         $pkg = {};
  83                         $pkg->{src} = $src;
  84                         $pkg->{makefile} = $makefile;
  85                         $pkg->{name} = $1;
  86                         $pkg->{default} = "m if ALL";
  87                         $package{$1} = $pkg;
  88                 };
  89                 /^Version: \s*(.+)\s*$/ and $pkg->{version} = $1;
  90                 /^Title: \s*(.+)\s*$/ and $pkg->{title} = $1;
  91                 /^Menu: \s*(.+)\s*$/ and $pkg->{menu} = $1;
  92                 /^Submenu: \s*(.+)\s*$/ and $pkg->{submenu} = $1;
  93                 /^Submenu-Depends: \s*(.+)\s*$/ and $pkg->{submenudep} = $1;
  94                 /^Default: \s*(.+)\s*$/ and $pkg->{default} = $1;
  95                 /^Provides: \s*(.+)\s*$/ and do {
  96                         my @vpkg = split /\s+/, $1;
  97                         foreach my $vpkg (@vpkg) {
  98                                 $package{$vpkg} or $package{$vpkg} = { vdepends => [] };
  99                                 push @{$package{$vpkg}->{vdepends}}, $pkg->{name};
 100                         }
 101                 };
 102                 /^Depends: \s*(.+)\s*$/ and do {
 103                         my @dep = split /\s+/, $1;
 104                         $pkg->{depends} = \@dep;
 105                 };
 106                 /^Category: \s*(.+)\s*$/ and do {
 107                         $pkg->{category} = $1;
 108                         defined $category{$1} or $category{$1} = {};
 109                         defined $category{$1}->{$src} or $category{$1}->{$src} = [];
 110                         push @{$category{$1}->{$src}}, $pkg;
 111                 };
 112                 /^Description: \s*(.*)\s*$/ and do {
 113                         my $desc = "\t\t$1\n\n";
 114                         my $line;
 115                         while ($line = <>) {
 116                                 last if $line =~ /^@@/;
 117                                 $desc .= "\t\t$line";
 118                         }
 119                         $pkg->{description} = $desc;
 120                 };
 121                 /^Config: \s*(.*)\s*$/ and do {
 122                         my $conf = "$1\n";
 123                         my $line;
 124                         while ($line = <>) {
 125                                 last if $line =~ /^@@/;
 126                                 $conf .= "$line";
 127                         }
 128                         $pkg->{config} = $conf;
 129                 }
 130         }
 131         return %category;
 132 }
 133
 134
 135 sub gen_target_mk() {
 136         my @target = parse_target_metadata();
 137
 138         @target = sort {
 139                 $a->{id} cmp $b->{id}
 140         } @target;
 141
 142         foreach my $target (@target) {
 143                 my ($profiles_def, $profiles_eval);
 144                 my $conf = uc $target->{kernel}.'_'.$target->{board};
 145                 $conf =~ tr/\.-/__/;
 146
 147                 foreach my $profile (@{$target->{profiles}}) {
 148                         $profiles_def .= "
 149   define Profile/$conf\_$profile->{id}
 150     ID:=$profile->{id}
 151     NAME:=$profile->{name}
 152     PACKAGES:=".join(" ", @{$profile->{packages}})."\n";
 153                         $profile->{kconfig} and $profiles_def .= "    KCONFIG:=1\n";
 154                         $profiles_def .= "  endef";
 155                         $profiles_eval .= "
 156 \$(eval \$(call AddProfile,$conf\_$profile->{id}))"
 157                 }
 158                 print "
 159 ifeq (\$(CONFIG_LINUX_$conf),y)
 160   define Target
 161     KERNEL:=$target->{kernel}
 162     BOARD:=$target->{board}
 163     BOARDNAME:=$target->{name}
 164     LINUX_VERSION:=$target->{version}
 165     LINUX_RELEASE:=$target->{release}
 166     LINUX_KARCH:=$target->{karch}
 167     DEFAULT_PACKAGES:=".join(" ", @{$target->{packages}})."
 168   endef$profiles_def
 169 endif$profiles_eval
 170
 171 "
 172         }
 173         print "\$(eval \$(call Target))\n";
 174 }
 175
 176 sub target_config_features(@) {
 177         my $ret;
 178
 179         while ($_ = shift @_) {
 180                 /broken/ and $ret .= "\tdepends BROKEN\n";
 181                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 182                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
 183                 /atm/ and $ret .= "\tselect ATM_SUPPORT\n";
 184                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
 185                 /video/ and $ret .= "\tselect VIDEO_SUPPORT\n";
 186                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 187                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 188                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 189         }
 190         return $ret;
 191 }
 192
 193
 194 sub gen_target_config() {
 195         my @target = parse_target_metadata();
 196
 197         @target = sort {
 198                 $a->{name} cmp $b->{name}
 199         } @target;
 200
 201
 202         print <<EOF;
 203 choice
 204         prompt "Target System"
 205         default LINUX_2_4_BRCM
 206         reset if !DEVEL
 207
 208 EOF
 209
 210         foreach my $target (@target) {
 211                 my $features = target_config_features(@{$target->{features}});
 212                 my $help = $target->{desc};
 213                 my $kernel = $target->{kernel};
 214                 $kernel =~ tr/./_/;
 215
 216                 chomp $features;
 217                 $features .= "\n";
 218                 if ($help =~ /\w+/) {
 219                         $help =~ s/^\s*/\t  /mg;
 220                         $help = "\thelp\n$help";
 221                 } else {
 222                         undef $help;
 223                 }
 224
 225                 print <<EOF
 226 config LINUX_$target->{conf}
 227         bool "$target->{name}"
 228         select $target->{arch}
 229         select LINUX_$kernel
 230 $features$help
 231
 232 EOF
 233         }
 234
 235         print <<EOF;
 236 if DEVEL
 237
 238 config LINUX_2_6_ARM
 239         bool "UNSUPPORTED little-endian arm platform"
 240         depends BROKEN
 241         select LINUX_2_6
 242         select arm
 243
 244 config LINUX_2_6_CRIS
 245         bool "UNSUPPORTED cris platform"
 246         depends BROKEN
 247         select LINUX_2_6
 248         select cris
 249
 250 config LINUX_2_6_M68K
 251         bool "UNSUPPORTED m68k platform"
 252         depends BROKEN
 253         select LINUX_2_6
 254         select m68k
 255
 256 config LINUX_2_6_SH3
 257         bool "UNSUPPORTED little-endian sh3 platform"
 258         depends BROKEN
 259         select LINUX_2_6
 260         select sh3
 261
 262 config LINUX_2_6_SH3EB
 263         bool "UNSUPPORTED big-endian sh3 platform"
 264         depends BROKEN
 265         select LINUX_2_6
 266         select sh3eb
 267
 268 config LINUX_2_6_SH4
 269         bool "UNSUPPORTED little-endian sh4 platform"
 270         depends BROKEN
 271         select LINUX_2_6
 272         select sh4
 273
 274 config LINUX_2_6_SH4EB
 275         bool "UNSUPPORTED big-endian sh4 platform"
 276         depends BROKEN
 277         select LINUX_2_6
 278         select sh4eb
 279
 280 config LINUX_2_6_SPARC
 281         bool "UNSUPPORTED sparc platform"
 282         depends BROKEN
 283         select LINUX_2_6
 284         select sparc
 285
 286 endif
 287
 288 endchoice
 289
 290 choice
 291         prompt "Target Profile"
 292
 293 EOF
 294
 295         foreach my $target (@target) {
 296                 my $profiles = $target->{profiles};
 297
 298                 foreach my $profile (@$profiles) {
 299                         print <<EOF;
 300 config LINUX_$target->{conf}_$profile->{id}
 301         bool "$profile->{name}"
 302         depends LINUX_$target->{conf}
 303 EOF
 304                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
 305                         my %pkgs;
 306                         foreach my $pkg (@{$target->{packages}}, @{$profile->{packages}}) {
 307                                 $pkgs{$pkg} = 1;
 308                         }
 309                         foreach my $pkg (keys %pkgs) {
 310                                 print "\tselect DEFAULT_$pkg\n" unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
 311                         }
 312                         print "\n";
 313                 }
 314         }
 315
 316         print "endchoice\n";
 317 }
 318
 319 sub find_package_dep($$) {
 320         my $pkg = shift;
 321         my $name = shift;
 322         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 323
 324         return 0 unless defined $deps;
 325         foreach my $dep (@{$deps}) {
 326                 return 1 if $dep eq $name;
 327                 return 1 if ($package{$dep} and (find_package_dep($package{$dep},$name) == 1));
 328         }
 329         return 0;
 330 }
 331
 332 sub package_depends($$) {
 333         my $a = shift;
 334         my $b = shift;
 335         my $ret;
 336
 337         return 0 if ($a->{submenu} ne $b->{submenu});
 338         if (find_package_dep($a, $b->{name}) == 1) {
 339                 $ret = 1;
 340         } elsif (find_package_dep($b, $a->{name}) == 1) {
 341                 $ret = -1;
 342         } else {
 343                 return 0;
 344         }
 345         return $ret;
 346 }
 347
 348 sub mconf_depends($$) {
 349         my $depends = shift;
 350         my $only_dep = shift;
 351         my $res;
 352
 353         $depends or return;
 354         my @depends = @$depends;
 355         foreach my $depend (@depends) {
 356                 my $m = "depends";
 357                 $depend =~ s/^([@\+]+)//;
 358                 my $flags = $1;
 359                 my $vdep;
 360
 361                 if ($vdep = $package{$depend}->{vdepends}) {
 362                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 363                 } else {
 364                         $flags =~ /\+/ and do {
 365                                 next if $only_dep;
 366                                 $m = "select";
 367
 368                                 # Menuconfig will not treat 'select FOO' as a real dependency
 369                                 # thus if FOO depends on other config options, these dependencies
 370                                 # will not be checked. To fix this, we simply emit all of FOO's
 371                                 # depends here as well.
 372                                 $package{$depend} and $res .= mconf_depends($package{$depend}->{depends}, 1);
 373                         };
 374                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 375                 }
 376                 $res .= "\t\t$m $depend\n";
 377         }
 378         return $res;
 379 }
 380
 381 sub print_package_config_category($) {
 382         my $cat = shift;
 383         my %menus;
 384         my %menu_dep;
 385
 386         return unless $category{$cat};
 387
 388         print "menu \"$cat\"\n\n";
 389         my %spkg = %{$category{$cat}};
 390
 391         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 392                 foreach my $pkg (@{$spkg{$spkg}}) {
 393                         my $menu = $pkg->{submenu};
 394                         if ($menu) {
 395                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 396                         } else {
 397                                 $menu = 'undef';
 398                         }
 399                         $menus{$menu} or $menus{$menu} = [];
 400                         push @{$menus{$menu}}, $pkg;
 401                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
 402                         print "\t\tbool\n\n";
 403                 }
 404         }
 405         my @menus = sort {
 406                 ($a eq 'undef' ?  1 : 0) or
 407                 ($b eq 'undef' ? -1 : 0) or
 408                 ($a cmp $b)
 409         } keys %menus;
 410
 411         foreach my $menu (@menus) {
 412                 my @pkgs = sort {
 413                         package_depends($a, $b) or
 414                         ($a->{name} cmp $b->{name})
 415                 } @{$menus{$menu}};
 416                 if ($menu ne 'undef') {
 417                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 418                         print "menu \"$menu\"\n";
 419                 }
 420                 foreach my $pkg (@pkgs) {
 421                         my $title = $pkg->{name};
 422                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 423                         if ($c > 0) {
 424                                 $title .= ("." x $c). " ". $pkg->{title};
 425                         }
 426                         print "\t";
 427                         $pkg->{menu} and print "menu";
 428                         print "config PACKAGE_".$pkg->{name}."\n";
 429                         print "\t\ttristate \"$title\"\n";
 430                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 431                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 432                                 print "\t\tdefault $default\n";
 433                         }
 434                         print mconf_depends($pkg->{depends}, 0);
 435                         print "\t\thelp\n";
 436                         print $pkg->{description};
 437                         print "\n";
 438
 439                         $pkg->{config} and print $pkg->{config}."\n";
 440                 }
 441                 if ($menu ne 'undef') {
 442                         print "endmenu\n";
 443                         $menu_dep{$menu} and print "endif\n";
 444                 }
 445         }
 446         print "endmenu\n\n";
 447
 448         undef $category{$cat};
 449 }
 450
 451 sub gen_package_config() {
 452         parse_package_metadata();
 453         print_package_config_category 'Base system';
 454         foreach my $cat (keys %category) {
 455                 print_package_config_category $cat;
 456         }
 457 }
 458
 459 sub parse_command() {
 460         my $cmd = shift @ARGV;
 461         for ($cmd) {
 462                 /^target_mk$/ and return gen_target_mk();
 463                 /^target_config$/ and return gen_target_config();
 464                 /^package_config$/ and return gen_package_config();
 465         }
 466         print <<EOF
 467 Available Commands:
 468         $0 target_mk [file]             Target metadata in makefile format
 469         $0 target_config [file]         Target metadata in Kconfig format
 470         $0 package_config [file]        Package metadata in Kconfig format
 471 EOF
 472 }
 473
 474 parse_command();