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   $profiles_eval .= "
 154 \$(eval \$(call Profile,$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                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 184                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 185                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 186         }
 187         return $ret;
 188 }
 189
 190
 191 sub gen_target_config() {
 192         my @target = parse_target_metadata();
 193
 194         @target = sort {
 195                 $a->{name} cmp $b->{name}
 196         } @target;
 197
 198
 199         print <<EOF;
 200 choice
 201         prompt "Target System"
 202         default LINUX_2_4_BRCM
 203
 204 EOF
 205
 206         foreach my $target (@target) {
 207                 my $features = target_config_features(@{$target->{features}});
 208                 my $help = $target->{desc};
 209                 my $kernel = $target->{kernel};
 210                 $kernel =~ tr/./_/;
 211
 212                 chomp $features;
 213                 $features .= "\n";
 214                 if ($help =~ /\w+/) {
 215                         $help =~ s/^\s*/\t  /mg;
 216                         $help = "\thelp\n$help";
 217                 } else {
 218                         undef $help;
 219                 }
 220
 221                 print <<EOF
 222 config LINUX_$target->{conf}
 223         bool "$target->{name}"
 224         select $target->{arch}
 225         select LINUX_$kernel
 226 $features$help
 227
 228 EOF
 229         }
 230
 231         print <<EOF;
 232 if DEVEL
 233
 234 config LINUX_2_6_ARM
 235         bool "UNSUPPORTED little-endian arm platform"
 236         depends BROKEN
 237         select LINUX_2_6
 238         select arm
 239
 240 config LINUX_2_6_CRIS
 241         bool "UNSUPPORTED cris platform"
 242         depends BROKEN
 243         select LINUX_2_6
 244         select cris
 245
 246 config LINUX_2_6_M68K
 247         bool "UNSUPPORTED m68k platform"
 248         depends BROKEN
 249         select LINUX_2_6
 250         select m68k
 251
 252 config LINUX_2_6_SH3
 253         bool "UNSUPPORTED little-endian sh3 platform"
 254         depends BROKEN
 255         select LINUX_2_6
 256         select sh3
 257
 258 config LINUX_2_6_SH3EB
 259         bool "UNSUPPORTED big-endian sh3 platform"
 260         depends BROKEN
 261         select LINUX_2_6
 262         select sh3eb
 263
 264 config LINUX_2_6_SH4
 265         bool "UNSUPPORTED little-endian sh4 platform"
 266         depends BROKEN
 267         select LINUX_2_6
 268         select sh4
 269
 270 config LINUX_2_6_SH4EB
 271         bool "UNSUPPORTED big-endian sh4 platform"
 272         depends BROKEN
 273         select LINUX_2_6
 274         select sh4eb
 275
 276 config LINUX_2_6_SPARC
 277         bool "UNSUPPORTED sparc platform"
 278         depends BROKEN
 279         select LINUX_2_6
 280         select sparc
 281
 282 endif
 283
 284 endchoice
 285
 286 choice
 287         prompt "Target Profile"
 288
 289 EOF
 290
 291         foreach my $target (@target) {
 292                 my $profiles = $target->{profiles};
 293
 294                 foreach my $profile (@$profiles) {
 295                         print <<EOF;
 296 config LINUX_$target->{conf}_$profile->{id}
 297         bool "$profile->{name}"
 298         depends LINUX_$target->{conf}
 299 EOF
 300                         my %pkgs;
 301                         foreach my $pkg (@{$target->{packages}}, @{$profile->{packages}}) {
 302                                 $pkgs{$pkg} = 1;
 303                         }
 304                         foreach my $pkg (keys %pkgs) {
 305                                 print "\tselect DEFAULT_$pkg\n" unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
 306                         }
 307                         print "\n";
 308                 }
 309         }
 310
 311         print "endchoice\n";
 312 }
 313
 314 sub find_package_dep($$) {
 315         my $pkg = shift;
 316         my $name = shift;
 317         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 318
 319         return 0 unless defined $deps;
 320         foreach my $dep (@{$deps}) {
 321                 return 1 if $dep eq $name;
 322                 return 1 if ($package{$dep} and (find_package_dep($package{$dep},$name) == 1));
 323         }
 324         return 0;
 325 }
 326
 327 sub package_depends($$) {
 328         my $a = shift;
 329         my $b = shift;
 330         my $ret;
 331
 332         return 0 if ($a->{submenu} ne $b->{submenu});
 333         if (find_package_dep($a, $b->{name}) == 1) {
 334                 $ret = 1;
 335         } elsif (find_package_dep($b, $a->{name}) == 1) {
 336                 $ret = -1;
 337         } else {
 338                 return 0;
 339         }
 340         return $ret;
 341 }
 342
 343 sub print_package_config_category($) {
 344         my $cat = shift;
 345         my %menus;
 346         my %menu_dep;
 347
 348         return unless $category{$cat};
 349
 350         print "menu \"$cat\"\n\n";
 351         my %spkg = %{$category{$cat}};
 352
 353         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 354                 foreach my $pkg (@{$spkg{$spkg}}) {
 355                         my $menu = $pkg->{submenu};
 356                         if ($menu) {
 357                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 358                         } else {
 359                                 $menu = 'undef';
 360                         }
 361                         $menus{$menu} or $menus{$menu} = [];
 362                         push @{$menus{$menu}}, $pkg;
 363                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
 364                         print "\t\tbool\n\n";
 365                 }
 366         }
 367         my @menus = sort {
 368                 ($a eq 'undef' ?  1 : 0) or
 369                 ($b eq 'undef' ? -1 : 0) or
 370                 ($a cmp $b)
 371         } keys %menus;
 372
 373         foreach my $menu (@menus) {
 374                 my @pkgs = sort {
 375                         package_depends($a, $b) or
 376                         ($a->{name} cmp $b->{name})
 377                 } @{$menus{$menu}};
 378                 if ($menu ne 'undef') {
 379                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 380                         print "menu \"$menu\"\n";
 381                 }
 382                 foreach my $pkg (@pkgs) {
 383                         my $title = $pkg->{name};
 384                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 385                         if ($c > 0) {
 386                                 $title .= ("." x $c). " ". $pkg->{title};
 387                         }
 388                         print "\t";
 389                         $pkg->{menu} and print "menu";
 390                         print "config PACKAGE_".$pkg->{name}."\n";
 391                         print "\t\ttristate \"$title\"\n";
 392                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 393                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 394                                 print "\t\tdefault $default\n";
 395                         }
 396                         foreach my $depend (@{$pkg->{depends}}) {
 397                                 my $m = "depends";
 398                                 $depend =~ s/^([@\+]+)//;
 399                                 my $flags = $1;
 400                                 my $vdep;
 401
 402                                 if ($vdep = $package{$depend}->{vdepends}) {
 403                                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 404                                 } else {
 405                                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 406                                         $flags =~ /\+/ and $m = "select";
 407                                 }
 408                                 print "\t\t$m $depend\n";
 409                         }
 410                         print "\t\thelp\n";
 411                         print $pkg->{description};
 412                         print "\n";
 413
 414                         $pkg->{config} and print $pkg->{config}."\n";
 415                 }
 416                 if ($menu ne 'undef') {
 417                         print "endmenu\n";
 418                         $menu_dep{$menu} and print "endif\n";
 419                 }
 420         }
 421         print "endmenu\n\n";
 422
 423         undef $category{$cat};
 424 }
 425
 426 sub gen_package_config() {
 427         parse_package_metadata();
 428         print_package_config_category 'Base system';
 429         foreach my $cat (keys %category) {
 430                 print_package_config_category $cat;
 431         }
 432 }
 433
 434 sub parse_command() {
 435         my $cmd = shift @ARGV;
 436         for ($cmd) {
 437                 /^target_mk$/ and return gen_target_mk();
 438                 /^target_config$/ and return gen_target_config();
 439                 /^package_config$/ and return gen_package_config();
 440         }
 441         print <<EOF
 442 Available Commands:
 443         $0 target_mk [file]             Target metadata in makefile format
 444         $0 target_config [file]         Target metadata in Kconfig format
 445         $0 package_config [file]        Package metadata in Kconfig format
 446 EOF
 447 }
 448
 449 parse_command();