add config symbols for the kernel version
[openwrt.git] / scripts / metadata.pl
1 #!/usr/bin/perl
2 use FindBin;
3 use lib "$FindBin::Bin";
4 use strict;
5 use metadata;
6
7 my %board;
8
9 sub confstr($) {
10         my $conf = shift;
11         $conf =~ tr#/\.\-/#___#;
12         return $conf;
13 }
14
15 sub parse_target_metadata() {
16         my $file = shift @ARGV;
17         my ($target, @target, $profile);
18         my %target;
19
20         open FILE, "<$file" or do {
21                 warn "Can't open file '$file': $!\n";
22                 return;
23         };
24         while (<FILE>) {
25                 chomp;
26                 /^Target:\s*(.+)\s*$/ and do {
27                         my $name = $1;
28                         $target = {
29                                 id => $name,
30                                 board => $name,
31                                 boardconf => confstr($name),
32                                 conf => confstr($name),
33                                 profiles => [],
34                                 features => [],
35                                 depends => [],
36                                 subtargets => []
37                         };
38                         push @target, $target;
39                         $target{$name} = $target;
40                         if ($name =~ /([^\/]+)\/([^\/]+)/) {
41                                 push @{$target{$1}->{subtargets}}, $2;
42                                 $target->{board} = $1;
43                                 $target->{boardconf} = confstr($1);
44                                 $target->{subtarget} = 1;
45                                 $target->{parent} = $target{$1};
46                         }
47                 };
48                 /^Target-Kernel:\s*(\d+\.\d+)\s*$/ and $target->{kernel} = $1;
49                 /^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
50                 /^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
51                 /^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
52                 /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
53                 /^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
54                 /^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
55                 /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
56                 /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
57                 /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
58                 /^Default-Packages:\s*(.+)\s*$/ and $target->{packages} = [ split(/\s+/, $1) ];
59                 /^Target-Profile:\s*(.+)\s*$/ and do {
60                         $profile = {
61                                 id => $1,
62                                 name => $1,
63                                 packages => []
64                         };
65                         push @{$target->{profiles}}, $profile;
66                 };
67                 /^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
68                 /^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
69                 /^Target-Profile-Description:\s*(.*)\s*/ and $profile->{desc} = get_multiline(*FILE);
70                 /^Target-Profile-Config:/ and $profile->{config} = get_multiline(*FILE, "\t");
71                 /^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
72         }
73         close FILE;
74         foreach my $target (@target) {
75                 next if @{$target->{subtargets}} > 0;
76                 @{$target->{profiles}} > 0 or $target->{profiles} = [
77                         {
78                                 id => 'Default',
79                                 name => 'Default',
80                                 packages => []
81                         }
82                 ];
83         }
84         return @target;
85 }
86
87 sub gen_kconfig_overrides() {
88         my %config;
89         my %kconfig;
90         my $package;
91         my $pkginfo = shift @ARGV;
92         my $cfgfile = shift @ARGV;
93
94         # parameter 2: build system config
95         open FILE, "<$cfgfile" or return;
96         while (<FILE>) {
97                 /^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
98         }
99         close FILE;
100
101         # parameter 1: package metadata
102         open FILE, "<$pkginfo" or return;
103         while (<FILE>) {
104                 /^Package:\s*(.+?)\s*$/ and $package = $1;
105                 /^Kernel-Config:\s*(.+?)\s*$/ and do {
106                         my @config = split /\s+/, $1;
107                         foreach my $config (@config) {
108                                 my $val = 'm';
109                                 my $override;
110                                 if ($config =~ /^(.+?)=(.+)$/) {
111                                         $config = $1;
112                                         $override = 1;
113                                         $val = $2;
114                                 }
115                                 if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
116                                         $kconfig{$config} = $val;
117                                 } elsif (!$override) {
118                                         $kconfig{$config} or $kconfig{$config} = 'n';
119                                 }
120                         }
121                 };
122         };
123         close FILE;
124
125         foreach my $kconfig (sort keys %kconfig) {
126                 if ($kconfig{$kconfig} eq 'n') {
127                         print "# $kconfig is not set\n";
128                 } else {
129                         print "$kconfig=$kconfig{$kconfig}\n";
130                 }
131         }
132 }
133
134 sub merge_package_lists($$) {
135         my $list1 = shift;
136         my $list2 = shift;
137         my @l = ();
138         my %pkgs;
139
140         foreach my $pkg (@$list1, @$list2) {
141                 $pkgs{$pkg} = 1;
142         }
143         foreach my $pkg (keys %pkgs) {
144                 push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
145         }
146         return sort(@l);
147 }
148
149 sub target_config_features(@) {
150         my $ret;
151
152         while ($_ = shift @_) {
153                 /broken/ and $ret .= "\tdepends BROKEN\n";
154                 /display/ and $ret .= "\tselect DISPLAY_SUPPORT\n";
155                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
156                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
157                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
158                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
159                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
160                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
161                 /tgz/ and $ret .= "\tselect USES_TGZ\n";
162         }
163         return $ret;
164 }
165
166 sub target_name($) {
167         my $target = shift;
168         my $parent = $target->{parent};
169         if ($parent) {
170                 return $target->{parent}->{name}." - ".$target->{name};
171         } else {
172                 return $target->{name};
173         }
174 }
175
176 sub kver($) {
177         my $v = shift;
178         $v =~ tr/\./_/;
179         $v =~ /(\d+_\d+_\d+)(_\d+)?/ and $v = $1;
180         return $v;
181 }
182
183 sub print_target($) {
184         my $target = shift;
185         my $features = target_config_features(@{$target->{features}});
186         my $help = $target->{desc};
187         my $kernel = $target->{kernel};
188         my $confstr;
189         $kernel =~ tr/./_/;
190
191         chomp $features;
192         $features .= "\n";
193         if ($help =~ /\w+/) {
194                 $help =~ s/^\s*/\t  /mg;
195                 $help = "\thelp\n$help";
196         } else {
197                 undef $help;
198         }
199
200         my $v = kver($target->{version});
201         $confstr = <<EOF;
202 config TARGET_$target->{conf}
203         bool "$target->{name}"
204         select LINUX_$kernel
205         select LINUX_$v
206 EOF
207         if ($target->{subtarget}) {
208                 $confstr .= "\tdepends TARGET_$target->{boardconf}\n";
209         }
210         if (@{$target->{subtargets}} > 0) {
211                 $confstr .= "\tselect HAS_SUBTARGETS\n";
212         } else {
213                 $confstr .= "\tselect $target->{arch}\n";
214                 foreach my $dep (@{$target->{depends}}) {
215                         my $mode = "depends";
216                         my $flags;
217                         my $name;
218
219                         $dep =~ /^([@\+\-]+)(.+)$/;
220                         $flags = $1;
221                         $name = $2;
222
223                         $flags =~ /-/ and $mode = "deselect";
224                         $flags =~ /\+/ and $mode = "select";
225                         $flags =~ /@/ and $confstr .= "\t$mode $name\n";
226                 }
227                 $confstr .= $features;
228         }
229
230         $confstr .= "$help\n\n";
231         print $confstr;
232 }
233
234 sub gen_target_config() {
235         my @target = parse_target_metadata();
236
237         my @target_sort = sort {
238                 target_name($a) cmp target_name($b);
239         } @target;
240
241
242         print <<EOF;
243 choice
244         prompt "Target System"
245         default TARGET_brcm_2_4
246         reset if !DEVEL
247         
248 EOF
249
250         foreach my $target (@target_sort) {
251                 next if $target->{subtarget};
252                 print_target($target);
253         }
254
255         print <<EOF;
256 endchoice
257
258 choice
259         prompt "Subtarget" if HAS_SUBTARGETS
260
261 EOF
262         foreach my $target (@target) {
263                 next unless $target->{subtarget};
264                 print_target($target);
265         }
266
267 print <<EOF;
268 endchoice
269
270 choice
271         prompt "Target Profile"
272
273 EOF
274
275         foreach my $target (@target) {
276                 my $profiles = $target->{profiles};
277
278                 foreach my $profile (@$profiles) {
279                         print <<EOF;
280 config TARGET_$target->{conf}_$profile->{id}
281         bool "$profile->{name}"
282         depends TARGET_$target->{conf}
283 $profile->{config}
284 EOF
285                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
286                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
287                         foreach my $pkg (@pkglist) {
288                                 print "\tselect DEFAULT_$pkg\n";
289                         }
290                         print "\n";
291                 }
292         }
293
294         print <<EOF;
295 endchoice
296
297 config HAS_SUBTARGETS
298         bool
299
300 config TARGET_BOARD
301         string
302
303 EOF
304         foreach my $target (@target) {
305                 $target->{subtarget} or print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
306         }
307
308         my %kver;
309         foreach my $target (@target) {
310                 my $v = kver($target->{version});
311                 next if $kver{$v};
312                 $kver{$v} = 1;
313                 print <<EOF;
314 config LINUX_$v
315         bool
316 EOF
317         }
318 }
319
320 my %dep_check;
321 sub __find_package_dep($$) {
322         my $pkg = shift;
323         my $name = shift;
324         my $deps = ($pkg->{vdepends} or $pkg->{depends});
325
326         return 0 unless defined $deps;
327         foreach my $dep (@{$deps}) {
328                 next if $dep_check{$dep};
329                 $dep_check{$dep} = 1;
330                 return 1 if $dep eq $name;
331                 return 1 if ($package{$dep} and (__find_package_dep($package{$dep},$name) == 1));
332         }
333         return 0;
334 }
335
336 # wrapper to avoid infinite recursion
337 sub find_package_dep($$) {
338         my $pkg = shift;
339         my $name = shift;
340
341         %dep_check = ();
342         return __find_package_dep($pkg, $name);
343 }
344
345 sub package_depends($$) {
346         my $a = shift;
347         my $b = shift;
348         my $ret;
349
350         return 0 if ($a->{submenu} ne $b->{submenu});
351         if (find_package_dep($a, $b->{name}) == 1) {
352                 $ret = 1;
353         } elsif (find_package_dep($b, $a->{name}) == 1) {
354                 $ret = -1;
355         } else {
356                 return 0;
357         }
358         return $ret;
359 }
360
361 sub mconf_depends($$) {
362         my $depends = shift;
363         my $only_dep = shift;
364         my $res;
365         my $dep = shift;
366         $dep or $dep = {};
367
368         $depends or return;
369         my @depends = @$depends;
370         foreach my $depend (@depends) {
371                 my $m = "depends";
372                 $depend =~ s/^([@\+]+)//;
373                 my $flags = $1;
374                 my $vdep;
375
376                 if ($vdep = $package{$depend}->{vdepends}) {
377                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
378                 } else {
379                         $flags =~ /\+/ and do {
380                                 next if $only_dep;
381                                 $m = "select";
382
383                                 # Menuconfig will not treat 'select FOO' as a real dependency
384                                 # thus if FOO depends on other config options, these dependencies
385                                 # will not be checked. To fix this, we simply emit all of FOO's
386                                 # depends here as well.
387                                 $package{$depend} and mconf_depends($package{$depend}->{depends}, 1, $dep);
388                         };
389                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
390                 }
391                 $dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
392         }
393         foreach my $depend (keys %$dep) {
394                 my $m = $dep->{$depend};
395                 $res .= "\t\t$m $depend\n";
396         }
397         return $res;
398 }
399
400 sub print_package_config_category($) {
401         my $cat = shift;
402         my %menus;
403         my %menu_dep;
404
405         return unless $category{$cat};
406
407         print "menu \"$cat\"\n\n";
408         my %spkg = %{$category{$cat}};
409
410         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
411                 foreach my $pkg (@{$spkg{$spkg}}) {
412                         my $menu = $pkg->{submenu};
413                         if ($menu) {
414                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
415                         } else {
416                                 $menu = 'undef';
417                         }
418                         $menus{$menu} or $menus{$menu} = [];
419                         push @{$menus{$menu}}, $pkg;
420                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
421                         print "\t\tbool\n\n";
422                 }
423         }
424         my @menus = sort {
425                 ($a eq 'undef' ?  1 : 0) or
426                 ($b eq 'undef' ? -1 : 0) or
427                 ($a cmp $b)
428         } keys %menus;
429
430         foreach my $menu (@menus) {
431                 my @pkgs = sort {
432                         package_depends($a, $b) or
433                         ($a->{name} cmp $b->{name})
434                 } @{$menus{$menu}};
435                 if ($menu ne 'undef') {
436                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
437                         print "menu \"$menu\"\n";
438                 }
439                 foreach my $pkg (@pkgs) {
440                         my $title = $pkg->{name};
441                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
442                         if ($c > 0) {
443                                 $title .= ("." x $c). " ". $pkg->{title};
444                         }
445                         print "\t";
446                         $pkg->{menu} and print "menu";
447                         print "config PACKAGE_".$pkg->{name}."\n";
448                         print "\t\t".($pkg->{tristate} ? 'tristate' : 'bool')." \"$title\"\n";
449                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
450                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
451                                 print "\t\tdefault $default\n";
452                         }
453                         print mconf_depends($pkg->{depends}, 0);
454                         print "\t\thelp\n";
455                         print $pkg->{description};
456                         print "\n";
457
458                         $pkg->{config} and print $pkg->{config}."\n";
459                 }
460                 if ($menu ne 'undef') {
461                         print "endmenu\n";
462                         $menu_dep{$menu} and print "endif\n";
463                 }
464         }
465         print "endmenu\n\n";
466
467         undef $category{$cat};
468 }
469
470 sub gen_package_config() {
471         parse_package_metadata($ARGV[0]) or exit 1;
472         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n";
473         foreach my $preconfig (keys %preconfig) {
474                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
475                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
476                         $conf =~ tr/\.-/__/;
477                         print <<EOF
478         config UCI_PRECONFIG_$conf
479                 string "$preconfig{$preconfig}->{$cfg}->{label}" if UCI_PRECONFIG
480                 depends PACKAGE_$preconfig
481                 default "$preconfig{$preconfig}->{$cfg}->{default}"
482
483 EOF
484                 }
485         }
486         print_package_config_category 'Base system';
487         foreach my $cat (keys %category) {
488                 print_package_config_category $cat;
489         }
490 }
491
492 sub gen_package_mk() {
493         my %conf;
494         my %dep;
495         my $line;
496
497         parse_package_metadata($ARGV[0]) or exit 1;
498         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
499                 my $config;
500                 my $pkg = $package{$name};
501
502                 next if defined $pkg->{vdepends};
503                 if ($ENV{SDK}) {
504                         $conf{$pkg->{src}} or do {
505                                 $config = 'm';
506                                 $conf{$pkg->{src}} = 1;
507                         };
508                 } else {
509                         $config = "\$(CONFIG_PACKAGE_$name)"
510                 }
511                 if ($config) {
512                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
513                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
514                 }
515
516                 my $hasdeps = 0;
517                 my $depline = "";
518                 foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
519                         next if $dep =~ /@/;
520                         $dep =~ s/\+//;
521                         my $idx;
522                         my $pkg_dep = $package{$dep};
523                         next if defined $pkg_dep->{vdepends};
524
525                         if (defined $pkg_dep->{src}) {
526                                 ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
527                         } elsif (defined($srcpackage{$dep})) {
528                                 $idx = $subdir{$dep}.$dep;
529                         }
530                         undef $idx if $idx =~ /^(kernel)|(base-files)$/;
531                         if ($idx) {
532                                 next if $dep{$pkg->{src}."->".$idx};
533                                 $depline .= " \$(curdir)/$idx/compile";
534                                 $dep{$pkg->{src}."->".$idx} = 1;
535                         }
536                 }
537                 if ($depline) {
538                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
539                 }
540         }
541
542         if ($line ne "") {
543                 print "\n$line";
544         }
545         foreach my $preconfig (keys %preconfig) {
546                 my $cmds;
547                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
548                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
549                         $conf =~ tr/\.-/__/;
550                         $cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
551                 }
552                 next unless $cmds;
553                 print <<EOF
554
555 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
556         ( \\
557 $cmds \\
558         ) > \$@
559         
560 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
561   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
562 endif
563 EOF
564         }
565 }
566
567
568 sub parse_command() {
569         my $cmd = shift @ARGV;
570         for ($cmd) {
571                 /^target_config$/ and return gen_target_config();
572                 /^package_mk$/ and return gen_package_mk();
573                 /^package_config$/ and return gen_package_config();
574                 /^kconfig/ and return gen_kconfig_overrides();
575         }
576         print <<EOF
577 Available Commands:
578         $0 target_config [file]         Target metadata in Kconfig format
579         $0 package_mk [file]            Package metadata in makefile format
580         $0 package_config [file]        Package metadata in Kconfig format
581         $0 kconfig [file] [config]      Kernel config overrides
582
583 EOF
584 }
585
586 parse_command();