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