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}})."
 153   endef";
 154   $profiles_eval .= "
 155 \$(eval \$(call AddProfile,$conf\_$profile->{id}))"
 156                 }
 157                 print "
 158 ifeq (\$(CONFIG_LINUX_$conf),y)
 159   define Target
 160     KERNEL:=$target->{kernel}
 161     BOARD:=$target->{board}
 162     BOARDNAME:=$target->{name}
 163     LINUX_VERSION:=$target->{version}
 164     LINUX_RELEASE:=$target->{release}
 165     LINUX_KARCH:=$target->{karch}
 166     DEFAULT_PACKAGES:=".join(" ", @{$target->{packages}})."
 167   endef$profiles_def
 168 endif$profiles_eval
 169
 170 "
 171         }
 172         print "\$(eval \$(call Target))\n";
 173 }
 174
 175 sub target_config_features(@) {
 176         my $ret;
 177
 178         while ($_ = shift @_) {
 179                 /broken/ and $ret .= "\tdepends BROKEN\n";
 180                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 181                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
 182                 /atm/ and $ret .= "\tselect ATM_SUPPORT\n";
 183                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
 184                 /video/ and $ret .= "\tselect VIDEO_SUPPORT\n";
 185                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 186                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 187                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 188         }
 189         return $ret;
 190 }
 191
 192
 193 sub gen_target_config() {
 194         my @target = parse_target_metadata();
 195
 196         @target = sort {
 197                 $a->{name} cmp $b->{name}
 198         } @target;
 199
 200
 201         print <<EOF;
 202 choice
 203         prompt "Target System"
 204         default LINUX_2_4_BRCM
 205
 206 EOF
 207
 208         foreach my $target (@target) {
 209                 my $features = target_config_features(@{$target->{features}});
 210                 my $help = $target->{desc};
 211                 my $kernel = $target->{kernel};
 212                 $kernel =~ tr/./_/;
 213
 214                 chomp $features;
 215                 $features .= "\n";
 216                 if ($help =~ /\w+/) {
 217                         $help =~ s/^\s*/\t  /mg;
 218                         $help = "\thelp\n$help";
 219                 } else {
 220                         undef $help;
 221                 }
 222
 223                 print <<EOF
 224 config LINUX_$target->{conf}
 225         bool "$target->{name}"
 226         select $target->{arch}
 227         select LINUX_$kernel
 228 $features$help
 229
 230 EOF
 231         }
 232
 233         print <<EOF;
 234 if DEVEL
 235
 236 config LINUX_2_6_ARM
 237         bool "UNSUPPORTED little-endian arm platform"
 238         depends BROKEN
 239         select LINUX_2_6
 240         select arm
 241
 242 config LINUX_2_6_CRIS
 243         bool "UNSUPPORTED cris platform"
 244         depends BROKEN
 245         select LINUX_2_6
 246         select cris
 247
 248 config LINUX_2_6_M68K
 249         bool "UNSUPPORTED m68k platform"
 250         depends BROKEN
 251         select LINUX_2_6
 252         select m68k
 253
 254 config LINUX_2_6_SH3
 255         bool "UNSUPPORTED little-endian sh3 platform"
 256         depends BROKEN
 257         select LINUX_2_6
 258         select sh3
 259
 260 config LINUX_2_6_SH3EB
 261         bool "UNSUPPORTED big-endian sh3 platform"
 262         depends BROKEN
 263         select LINUX_2_6
 264         select sh3eb
 265
 266 config LINUX_2_6_SH4
 267         bool "UNSUPPORTED little-endian sh4 platform"
 268         depends BROKEN
 269         select LINUX_2_6
 270         select sh4
 271
 272 config LINUX_2_6_SH4EB
 273         bool "UNSUPPORTED big-endian sh4 platform"
 274         depends BROKEN
 275         select LINUX_2_6
 276         select sh4eb
 277
 278 config LINUX_2_6_SPARC
 279         bool "UNSUPPORTED sparc platform"
 280         depends BROKEN
 281         select LINUX_2_6
 282         select sparc
 283
 284 endif
 285
 286 endchoice
 287
 288 choice
 289         prompt "Target Profile"
 290
 291 EOF
 292
 293         foreach my $target (@target) {
 294                 my $profiles = $target->{profiles};
 295
 296                 foreach my $profile (@$profiles) {
 297                         print <<EOF;
 298 config LINUX_$target->{conf}_$profile->{id}
 299         bool "$profile->{name}"
 300         depends LINUX_$target->{conf}
 301 EOF
 302                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
 303                         my %pkgs;
 304                         foreach my $pkg (@{$target->{packages}}, @{$profile->{packages}}) {
 305                                 $pkgs{$pkg} = 1;
 306                         }
 307                         foreach my $pkg (keys %pkgs) {
 308                                 print "\tselect DEFAULT_$pkg\n" unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
 309                         }
 310                         print "\n";
 311                 }
 312         }
 313
 314         print "endchoice\n";
 315 }
 316
 317 sub find_package_dep($$) {
 318         my $pkg = shift;
 319         my $name = shift;
 320         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 321
 322         return 0 unless defined $deps;
 323         foreach my $dep (@{$deps}) {
 324                 return 1 if $dep eq $name;
 325                 return 1 if ($package{$dep} and (find_package_dep($package{$dep},$name) == 1));
 326         }
 327         return 0;
 328 }
 329
 330 sub package_depends($$) {
 331         my $a = shift;
 332         my $b = shift;
 333         my $ret;
 334
 335         return 0 if ($a->{submenu} ne $b->{submenu});
 336         if (find_package_dep($a, $b->{name}) == 1) {
 337                 $ret = 1;
 338         } elsif (find_package_dep($b, $a->{name}) == 1) {
 339                 $ret = -1;
 340         } else {
 341                 return 0;
 342         }
 343         return $ret;
 344 }
 345
 346 sub mconf_depends($$) {
 347         my $depends = shift;
 348         my $only_dep = shift;
 349         my $res;
 350
 351         $depends or return;
 352         my @depends = @$depends;
 353         foreach my $depend (@depends) {
 354                 my $m = "depends";
 355                 $depend =~ s/^([@\+]+)//;
 356                 my $flags = $1;
 357                 my $vdep;
 358
 359                 if ($vdep = $package{$depend}->{vdepends}) {
 360                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 361                 } else {
 362                         $flags =~ /\+/ and do {
 363                                 next if $only_dep;
 364                                 $m = "select";
 365
 366                                 # Menuconfig will not treat 'select FOO' as a real dependency
 367                                 # thus if FOO depends on other config options, these dependencies
 368                                 # will not be checked. To fix this, we simply emit all of FOO's
 369                                 # depends here as well.
 370                                 $package{$depend} and $res .= mconf_depends($package{$depend}->{depends}, 1);
 371                         };
 372                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 373                 }
 374                 $res .= "\t\t$m $depend\n";
 375         }
 376         return $res;
 377 }
 378
 379 sub print_package_config_category($) {
 380         my $cat = shift;
 381         my %menus;
 382         my %menu_dep;
 383
 384         return unless $category{$cat};
 385
 386         print "menu \"$cat\"\n\n";
 387         my %spkg = %{$category{$cat}};
 388
 389         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 390                 foreach my $pkg (@{$spkg{$spkg}}) {
 391                         my $menu = $pkg->{submenu};
 392                         if ($menu) {
 393                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 394                         } else {
 395                                 $menu = 'undef';
 396                         }
 397                         $menus{$menu} or $menus{$menu} = [];
 398                         push @{$menus{$menu}}, $pkg;
 399                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
 400                         print "\t\tbool\n\n";
 401                 }
 402         }
 403         my @menus = sort {
 404                 ($a eq 'undef' ?  1 : 0) or
 405                 ($b eq 'undef' ? -1 : 0) or
 406                 ($a cmp $b)
 407         } keys %menus;
 408
 409         foreach my $menu (@menus) {
 410                 my @pkgs = sort {
 411                         package_depends($a, $b) or
 412                         ($a->{name} cmp $b->{name})
 413                 } @{$menus{$menu}};
 414                 if ($menu ne 'undef') {
 415                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 416                         print "menu \"$menu\"\n";
 417                 }
 418                 foreach my $pkg (@pkgs) {
 419                         my $title = $pkg->{name};
 420                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 421                         if ($c > 0) {
 422                                 $title .= ("." x $c). " ". $pkg->{title};
 423                         }
 424                         print "\t";
 425                         $pkg->{menu} and print "menu";
 426                         print "config PACKAGE_".$pkg->{name}."\n";
 427                         print "\t\ttristate \"$title\"\n";
 428                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 429                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 430                                 print "\t\tdefault $default\n";
 431                         }
 432                         print mconf_depends($pkg->{depends}, 0);
 433                         print "\t\thelp\n";
 434                         print $pkg->{description};
 435                         print "\n";
 436
 437                         $pkg->{config} and print $pkg->{config}."\n";
 438                 }
 439                 if ($menu ne 'undef') {
 440                         print "endmenu\n";
 441                         $menu_dep{$menu} and print "endif\n";
 442                 }
 443         }
 444         print "endmenu\n\n";
 445
 446         undef $category{$cat};
 447 }
 448
 449 sub gen_package_config() {
 450         parse_package_metadata();
 451         print_package_config_category 'Base system';
 452         foreach my $cat (keys %category) {
 453                 print_package_config_category $cat;
 454         }
 455 }
 456
 457 sub parse_command() {
 458         my $cmd = shift @ARGV;
 459         for ($cmd) {
 460                 /^target_mk$/ and return gen_target_mk();
 461                 /^target_config$/ and return gen_target_config();
 462                 /^package_config$/ and return gen_package_config();
 463         }
 464         print <<EOF
 465 Available Commands:
 466         $0 target_mk [file]             Target metadata in makefile format
 467         $0 target_config [file]         Target metadata in Kconfig format
 468         $0 package_config [file]        Package metadata in Kconfig format
 469 EOF
 470 }
 471
 472 parse_command();