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