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