scripts/target-metadata.pl

   1 #!/usr/bin/env perl
   2 use FindBin;
   3 use lib "$FindBin::Bin";
   4 use strict;
   5 use metadata;
   6 use Getopt::Long;
   7
   8 sub target_config_features(@) {
   9         my $ret;
  10
  11         while ($_ = shift @_) {
  12                 /arm_v(\w+)/ and $ret .= "\tselect arm_v$1\n";
  13                 /broken/ and $ret .= "\tdepends on BROKEN\n";
  14                 /audio/ and $ret .= "\tselect AUDIO_SUPPORT\n";
  15                 /display/ and $ret .= "\tselect DISPLAY_SUPPORT\n";
  16                 /dt/ and $ret .= "\tselect USES_DEVICETREE\n";
  17                 /gpio/ and $ret .= "\tselect GPIO_SUPPORT\n";
  18                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
  19                 /pcie/ and $ret .= "\tselect PCIE_SUPPORT\n";
  20                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
  21                 /usbgadget/ and $ret .= "\tselect USB_GADGET_SUPPORT\n";
  22                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
  23                 /rtc/ and $ret .= "\tselect RTC_SUPPORT\n";
  24                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
  25                 /jffs2$/ and $ret .= "\tselect USES_JFFS2\n";
  26                 /jffs2_nand/ and $ret .= "\tselect USES_JFFS2_NAND\n";
  27                 /ext4/ and $ret .= "\tselect USES_EXT4\n";
  28                 /targz/ and $ret .= "\tselect USES_TARGZ\n";
  29                 /cpiogz/ and $ret .= "\tselect USES_CPIOGZ\n";
  30                 /minor/ and $ret .= "\tselect USES_MINOR\n";
  31                 /ubifs/ and $ret .= "\tselect USES_UBIFS\n";
  32                 /fpu/ and $ret .= "\tselect HAS_FPU\n";
  33                 /spe_fpu/ and $ret .= "\tselect HAS_SPE_FPU\n";
  34                 /ramdisk/ and $ret .= "\tselect USES_INITRAMFS\n";
  35                 /powerpc64/ and $ret .= "\tselect powerpc64\n";
  36                 /nommu/ and $ret .= "\tselect NOMMU\n";
  37                 /mips16/ and $ret .= "\tselect HAS_MIPS16\n";
  38                 /rfkill/ and $ret .= "\tselect RFKILL_SUPPORT\n";
  39                 /low_mem/ and $ret .= "\tselect LOW_MEMORY_FOOTPRINT\n";
  40                 /small_flash/ and $ret .= "\tselect SMALL_FLASH\n";
  41                 /nand/ and $ret .= "\tselect NAND_SUPPORT\n";
  42                 /virtio/ and $ret .= "\tselect VIRTIO_SUPPORT\n";
  43         }
  44         return $ret;
  45 }
  46
  47 sub target_name($) {
  48         my $target = shift;
  49         my $parent = $target->{parent};
  50         if ($parent) {
  51                 return $target->{parent}->{name}." - ".$target->{name};
  52         } else {
  53                 return $target->{name};
  54         }
  55 }
  56
  57 sub kver($) {
  58         my $v = shift;
  59         $v =~ tr/\./_/;
  60         if (substr($v,0,2) eq "2_") {
  61                 $v =~ /(\d+_\d+_\d+)(_\d+)?/ and $v = $1;
  62         } else {
  63                 $v =~ /(\d+_\d+)(_\d+)?/ and $v = $1;
  64         }
  65         return $v;
  66 }
  67
  68 sub print_target($) {
  69         my $target = shift;
  70         my $features = target_config_features(@{$target->{features}});
  71         my $help = $target->{desc};
  72         my $confstr;
  73
  74         chomp $features;
  75         $features .= "\n";
  76         if ($help =~ /\w+/) {
  77                 $help =~ s/^\s*/\t  /mg;
  78                 $help = "\thelp\n$help";
  79         } else {
  80                 undef $help;
  81         }
  82
  83         my $v = kver($target->{version});
  84         if (@{$target->{subtargets}} == 0) {
  85         $confstr = <<EOF;
  86 config TARGET_$target->{conf}
  87         bool "$target->{name}"
  88         select LINUX_$v
  89 EOF
  90         }
  91         else {
  92                 $confstr = <<EOF;
  93 config TARGET_$target->{conf}
  94         bool "$target->{name}"
  95 EOF
  96         }
  97         if ($target->{subtarget}) {
  98                 $confstr .= "\tdepends on TARGET_$target->{boardconf}\n";
  99         }
 100         if (@{$target->{subtargets}} > 0) {
 101                 $confstr .= "\tselect HAS_SUBTARGETS\n";
 102                 grep { /broken/ } @{$target->{features}} and $confstr .= "\tdepends on BROKEN\n";
 103         } else {
 104                 $confstr .= $features;
 105                 if ($target->{arch} =~ /\w/) {
 106                         $confstr .= "\tselect $target->{arch}\n";
 107                 }
 108                 if ($target->{has_devices}) {
 109                         $confstr .= "\tselect HAS_DEVICES\n";
 110                 }
 111         }
 112
 113         foreach my $dep (@{$target->{depends}}) {
 114                 my $mode = "depends on";
 115                 my $flags;
 116                 my $name;
 117
 118                 $dep =~ /^([@\+\-]+)(.+)$/;
 119                 $flags = $1;
 120                 $name = $2;
 121
 122                 next if $name =~ /:/;
 123                 $flags =~ /-/ and $mode = "deselect";
 124                 $flags =~ /\+/ and $mode = "select";
 125                 $flags =~ /@/ and $confstr .= "\t$mode $name\n";
 126         }
 127         $confstr .= "$help\n\n";
 128         print $confstr;
 129 }
 130
 131 sub merge_package_lists($$) {
 132         my $list1 = shift;
 133         my $list2 = shift;
 134         my @l = ();
 135         my %pkgs;
 136
 137         foreach my $pkg (@$list1, @$list2) {
 138                 $pkgs{$pkg} = 1;
 139         }
 140         foreach my $pkg (keys %pkgs) {
 141                 push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
 142         }
 143         return sort(@l);
 144 }
 145
 146 sub gen_target_config() {
 147         my $file = shift @ARGV;
 148         my @target = parse_target_metadata($file);
 149         my %defaults;
 150
 151         my @target_sort = sort {
 152                 target_name($a) cmp target_name($b);
 153         } @target;
 154
 155         foreach my $target (@target_sort) {
 156                 next if @{$target->{subtargets}} > 0;
 157                 print <<EOF;
 158 config DEFAULT_TARGET_$target->{conf}
 159         bool
 160         depends on TARGET_PER_DEVICE_ROOTFS
 161         default y if TARGET_$target->{conf}
 162 EOF
 163                 foreach my $pkg (@{$target->{packages}}) {
 164                         print "\tselect DEFAULT_$pkg if TARGET_PER_DEVICE_ROOTFS\n";
 165                 }
 166         }
 167
 168         print <<EOF;
 169 choice
 170         prompt "Target System"
 171         default TARGET_ar71xx
 172         reset if !DEVEL
 173
 174 EOF
 175
 176         foreach my $target (@target_sort) {
 177                 next if $target->{subtarget};
 178                 print_target($target);
 179         }
 180
 181         print <<EOF;
 182 endchoice
 183
 184 choice
 185         prompt "Subtarget" if HAS_SUBTARGETS
 186 EOF
 187         foreach my $target (@target) {
 188                 next unless $target->{def_subtarget};
 189                 print <<EOF;
 190         default TARGET_$target->{conf}_$target->{def_subtarget} if TARGET_$target->{conf}
 191 EOF
 192         }
 193         print <<EOF;
 194
 195 EOF
 196         foreach my $target (@target) {
 197                 next unless $target->{subtarget};
 198                 print_target($target);
 199         }
 200
 201 print <<EOF;
 202 endchoice
 203
 204 choice
 205         prompt "Target Profile"
 206
 207 EOF
 208         foreach my $target (@target) {
 209                 my $profile = $target->{profiles}->[0];
 210                 $profile or next;
 211                 print <<EOF;
 212         default TARGET_$target->{conf}_$profile->{id} if TARGET_$target->{conf}
 213 EOF
 214         }
 215
 216         print <<EOF;
 217
 218 config TARGET_MULTI_PROFILE
 219         bool "Multiple devices"
 220         depends on HAS_DEVICES
 221
 222 EOF
 223
 224         foreach my $target (@target) {
 225                 my $profiles = $target->{profiles};
 226                 foreach my $profile (@{$target->{profiles}}) {
 227                         print <<EOF;
 228 config TARGET_$target->{conf}_$profile->{id}
 229         bool "$profile->{name}"
 230         depends on TARGET_$target->{conf}
 231 EOF
 232                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
 233                         foreach my $pkg (@pkglist) {
 234                                 print "\tselect DEFAULT_$pkg\n";
 235                                 $defaults{$pkg} = 1;
 236                         }
 237                         my $help = $profile->{desc};
 238                         if ($help =~ /\w+/) {
 239                                 $help =~ s/^\s*/\t  /mg;
 240                                 $help = "\thelp\n$help";
 241                         } else {
 242                                 undef $help;
 243                         }
 244                         print "$help\n";
 245                 }
 246         }
 247
 248         print <<EOF;
 249 endchoice
 250
 251 menu "Target Devices"
 252         depends on TARGET_MULTI_PROFILE
 253
 254         config TARGET_ALL_PROFILES
 255                 bool "Enable all profiles by default"
 256
 257         config TARGET_PER_DEVICE_ROOTFS
 258                 bool "Use a per-device root filesystem that adds profile packages"
 259
 260 EOF
 261         foreach my $target (@target) {
 262                 my $profiles = $target->{profiles};
 263                 foreach my $profile (@{$target->{profiles}}) {
 264                         next unless $profile->{id} =~ /^DEVICE_/;
 265                         print <<EOF;
 266 menuconfig TARGET_DEVICE_$target->{conf}_$profile->{id}
 267         bool "$profile->{name}"
 268         depends on TARGET_$target->{conf}
 269         default y if TARGET_ALL_PROFILES
 270 EOF
 271                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
 272                         foreach my $pkg (@pkglist) {
 273                                 print "\tselect DEFAULT_$pkg if !TARGET_PER_DEVICE_ROOTFS\n";
 274                                 print "\tselect MODULE_DEFAULT_$pkg if TARGET_PER_DEVICE_ROOTFS\n";
 275                                 $defaults{$pkg} = 1;
 276                         }
 277
 278                         print <<EOF;
 279
 280
 281         config TARGET_DEVICE_PACKAGES_$target->{conf}_$profile->{id}
 282                 string "$profile->{name} additional packages"
 283                 default ""
 284                 depends on TARGET_PER_DEVICE_ROOTFS
 285                 depends on TARGET_DEVICE_$target->{conf}_$profile->{id}
 286
 287 EOF
 288                 }
 289         }
 290
 291         print <<EOF;
 292
 293 endmenu
 294
 295 config HAS_SUBTARGETS
 296         bool
 297
 298 config HAS_DEVICES
 299         bool
 300
 301 config TARGET_BOARD
 302         string
 303
 304 EOF
 305         foreach my $target (@target) {
 306                 $target->{subtarget} or print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
 307         }
 308         print <<EOF;
 309 config TARGET_SUBTARGET
 310         string
 311         default "generic" if !HAS_SUBTARGETS
 312
 313 EOF
 314
 315         foreach my $target (@target) {
 316                 foreach my $subtarget (@{$target->{subtargets}}) {
 317                         print "\t\tdefault \"$subtarget\" if TARGET_".$target->{conf}."_$subtarget\n";
 318                 }
 319         }
 320         print <<EOF;
 321 config TARGET_PROFILE
 322         string
 323 EOF
 324         foreach my $target (@target) {
 325                 my $profiles = $target->{profiles};
 326                 foreach my $profile (@$profiles) {
 327                         print "\tdefault \"$profile->{id}\" if TARGET_$target->{conf}_$profile->{id}\n";
 328                 }
 329         }
 330
 331         print <<EOF;
 332
 333 config TARGET_ARCH_PACKAGES
 334         string
 335
 336 EOF
 337         foreach my $target (@target) {
 338                 next if @{$target->{subtargets}} > 0;
 339                 print "\t\tdefault \"".($target->{arch_packages} || $target->{board})."\" if TARGET_".$target->{conf}."\n";
 340         }
 341         print <<EOF;
 342
 343 config DEFAULT_TARGET_OPTIMIZATION
 344         string
 345 EOF
 346         foreach my $target (@target) {
 347                 next if @{$target->{subtargets}} > 0;
 348                 print "\tdefault \"".$target->{cflags}."\" if TARGET_".$target->{conf}."\n";
 349         }
 350         print "\tdefault \"-Os -pipe -funit-at-a-time\"\n";
 351         print <<EOF;
 352
 353 config CPU_TYPE
 354         string
 355 EOF
 356         foreach my $target (@target) {
 357                 next if @{$target->{subtargets}} > 0;
 358                 print "\tdefault \"".$target->{cputype}."\" if TARGET_".$target->{conf}."\n";
 359         }
 360         print "\tdefault \"\"\n";
 361
 362         my %kver;
 363         foreach my $target (@target) {
 364                 my $v = kver($target->{version});
 365                 next if $kver{$v};
 366                 $kver{$v} = 1;
 367                 print <<EOF;
 368
 369 config LINUX_$v
 370         bool
 371
 372 EOF
 373         }
 374         foreach my $def (sort keys %defaults) {
 375                 print <<EOF;
 376         config DEFAULT_$def
 377                 bool
 378
 379         config MODULE_DEFAULT_$def
 380                 tristate
 381                 depends on TARGET_PER_DEVICE_ROOTFS
 382                 depends on m
 383                 default m if DEFAULT_$def
 384                 select PACKAGE_$def
 385
 386 EOF
 387         }
 388 }
 389
 390 sub gen_profile_mk() {
 391         my $file = shift @ARGV;
 392         my $target = shift @ARGV;
 393         my @targets = parse_target_metadata($file);
 394         foreach my $cur (@targets) {
 395                 next unless $cur->{id} eq $target;
 396                 print "PROFILE_NAMES = ".join(" ", map { $_->{id} } @{$cur->{profiles}})."\n";
 397                 foreach my $profile (@{$cur->{profiles}}) {
 398                         print $profile->{id}.'_NAME:='.$profile->{name}."\n";
 399                         print $profile->{id}.'_PACKAGES:='.join(' ', @{$profile->{packages}})."\n";
 400                 }
 401         }
 402 }
 403
 404 sub parse_command() {
 405         GetOptions("ignore=s", \@ignore);
 406         my $cmd = shift @ARGV;
 407         for ($cmd) {
 408                 /^config$/ and return gen_target_config();
 409                 /^profile_mk$/ and return gen_profile_mk();
 410         }
 411         die <<EOF
 412 Available Commands:
 413         $0 config [file]                        Target metadata in Kconfig format
 414         $0 profile_mk [file] [target]           Profile metadata in makefile format
 415
 416 EOF
 417 }
 418
 419 parse_command();