summaryrefslogtreecommitdiff
path: root/scripts/metadata.pl
blob: b5ee31a49a43b3f89c8bb9f41d9bef16bad263f8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
#!/usr/bin/perl
use strict;
my %package;
my %category;

sub parse_target_metadata() {
	my ($target, @target, $profile);	
	while (<>) {
		chomp;
		/^Target:\s*((.+)-(\d+\.\d+))\s*$/ and do {
			my $conf = uc $3.'_'.$2;
			$conf =~ tr/\.-/__/;
			$target = {
				id => $1,
				conf => $conf,
				board => $2,
				kernel => $3,
				profiles => []
			};
			push @target, $target;
		};
		/^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
		/^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
		/^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
		/^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
		/^Target-Description:/ and do {
			my $desc;
			while (<>) {
				last if /^@@/;
				$desc .= $_;
			}
			$target->{desc} = $desc;
		};
		/^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
		/^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
		/^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
		/^Default-Packages:\s*(.+)\s*$/ and $target->{packages} = [ split(/\s+/, $1) ];
		/^Target-Profile:\s*(.+)\s*$/ and do {
			$profile = {
				id => $1,
				name => $1,
				packages => []
			};
			push @{$target->{profiles}}, $profile;
		};
		/^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
		/^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
		/^Target-Profile-Description:/ and do {
			my $desc;
			while (<>) {
				last if /^@@/;
				$desc .= $_;
			}
			$profile->{desc} = $desc;
		};
		/^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
	}
	foreach my $target (@target) {
		@{$target->{profiles}} > 0 or $target->{profiles} = [
			{
				id => 'Default',
				name => 'Default',
				packages => []
			}
		];
	}
	return @target;
}

sub parse_package_metadata() {
	my $pkg;
	my $makefile;
	my $src;
	while (<>) {
		chomp;
		/^Source-Makefile: \s*(.+\/([^\/]+)\/Makefile)\s*$/ and do {
			$makefile = $1;
			$src = $2;
			undef $pkg;
		};
		/^Package: \s*(.+)\s*$/ and do {
			$pkg = {};
			$pkg->{src} = $src;
			$pkg->{makefile} = $makefile;
			$pkg->{name} = $1;
			$pkg->{default} = "m if ALL";
			$package{$1} = $pkg;
		};
		/^Version: \s*(.+)\s*$/ and $pkg->{version} = $1;
		/^Title: \s*(.+)\s*$/ and $pkg->{title} = $1;
		/^Menu: \s*(.+)\s*$/ and $pkg->{menu} = $1;
		/^Submenu: \s*(.+)\s*$/ and $pkg->{submenu} = $1;
		/^Submenu-Depends: \s*(.+)\s*$/ and $pkg->{submenudep} = $1;
		/^Default: \s*(.+)\s*$/ and $pkg->{default} = $1;
		/^Provides: \s*(.+)\s*$/ and do {
			my @vpkg = split /\s+/, $1;
			foreach my $vpkg (@vpkg) {
				$package{$vpkg} or $package{$vpkg} = { vdepends => [] };
				push @{$package{$vpkg}->{vdepends}}, $pkg->{name};
			}
		};
		/^Depends: \s*(.+)\s*$/ and do {
			my @dep = split /\s+/, $1;
			$pkg->{depends} = \@dep;
		};
		/^Category: \s*(.+)\s*$/ and do {
			$pkg->{category} = $1;
			defined $category{$1} or $category{$1} = {};
			defined $category{$1}->{$src} or $category{$1}->{$src} = [];
			push @{$category{$1}->{$src}}, $pkg;
		};
		/^Description: \s*(.*)\s*$/ and do {
			my $desc = "\t\t$1\n\n";
			my $line;
			while ($line = <>) {
				last if $line =~ /^@@/;
				$desc .= "\t\t$line";
			}
			$pkg->{description} = $desc;
		};
		/^Config: \s*(.*)\s*$/ and do {
			my $conf = "$1\n";
			my $line;
			while ($line = <>) {
				last if $line =~ /^@@/;
				$conf .= "$line";
			}
			$pkg->{config} = $conf;
		}
	}
	return %category;
}


sub gen_target_mk() {
	my @target = parse_target_metadata();
	
	@target = sort {
		$a->{id} cmp $b->{id}
	} @target;
	
	foreach my $target (@target) {
		my ($profiles_def, $profiles_eval);
		my $conf = uc $target->{kernel}.'_'.$target->{board};
		$conf =~ tr/\.-/__/;
		
		foreach my $profile (@{$target->{profiles}}) {
			$profiles_def .= "
  define Profile/$conf\_$profile->{id}
    ID:=$profile->{id}
    NAME:=$profile->{name}
    PACKAGES:=".join(" ", @{$profile->{packages}})."\n";
			$profile->{kconfig} and $profiles_def .= "    KCONFIG:=1\n";
			$profiles_def .= "  endef";
			$profiles_eval .= "
\$(eval \$(call AddProfile,$conf\_$profile->{id}))"
		}
		print "
ifeq (\$(CONFIG_LINUX_$conf),y)
  define Target
    KERNEL:=$target->{kernel}
    BOARD:=$target->{board}
    BOARDNAME:=$target->{name}
    LINUX_VERSION:=$target->{version}
    LINUX_RELEASE:=$target->{release}
    LINUX_KARCH:=$target->{karch}
    DEFAULT_PACKAGES:=".join(" ", @{$target->{packages}})."
  endef$profiles_def
endif$profiles_eval

"
	}
	print "\$(eval \$(call Target))\n";
}

sub target_config_features(@) {
	my $ret;

	while ($_ = shift @_) {
		/broken/ and $ret .= "\tdepends BROKEN\n";
		/pci/ and $ret .= "\tselect PCI_SUPPORT\n";
		/usb/ and $ret .= "\tselect USB_SUPPORT\n";
		/atm/ and $ret .= "\tselect ATM_SUPPORT\n";
		/pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
		/video/ and $ret .= "\tselect VIDEO_SUPPORT\n";
		/squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
		/jffs2/ and $ret .= "\tselect USES_JFFS2\n";
		/ext2/ and $ret .= "\tselect USES_EXT2\n";
	}
	return $ret;
}


sub gen_target_config() {
	my @target = parse_target_metadata();

	@target = sort {
		$a->{name} cmp $b->{name}
	} @target;
	
	
	print <<EOF;
choice
	prompt "Target System"
	default LINUX_2_4_BRCM
	reset if !DEVEL
	
EOF

	foreach my $target (@target) {
		my $features = target_config_features(@{$target->{features}});
		my $help = $target->{desc};
		my $kernel = $target->{kernel};
		$kernel =~ tr/./_/;

		chomp $features;
		$features .= "\n";
		if ($help =~ /\w+/) {
			$help =~ s/^\s*/\t  /mg;
			$help = "\thelp\n$help";
		} else {
			undef $help;
		}
	
		print <<EOF
config LINUX_$target->{conf}
	bool "$target->{name}"
	select $target->{arch}
	select LINUX_$kernel
$features$help

EOF
	}

	print <<EOF;
if DEVEL

config LINUX_2_6_ARM
	bool "UNSUPPORTED little-endian arm platform"
	depends BROKEN
	select LINUX_2_6
	select arm

config LINUX_2_6_CRIS
	bool "UNSUPPORTED cris platform"
	depends BROKEN
	select LINUX_2_6
	select cris

config LINUX_2_6_M68K
	bool "UNSUPPORTED m68k platform"
	depends BROKEN
	select LINUX_2_6
	select m68k

config LINUX_2_6_SH3
	bool "UNSUPPORTED little-endian sh3 platform"
	depends BROKEN
	select LINUX_2_6
	select sh3

config LINUX_2_6_SH3EB
	bool "UNSUPPORTED big-endian sh3 platform"
	depends BROKEN
	select LINUX_2_6
	select sh3eb

config LINUX_2_6_SH4
	bool "UNSUPPORTED little-endian sh4 platform"
	depends BROKEN
	select LINUX_2_6
	select sh4

config LINUX_2_6_SH4EB
	bool "UNSUPPORTED big-endian sh4 platform"
	depends BROKEN
	select LINUX_2_6
	select sh4eb

config LINUX_2_6_SPARC
	bool "UNSUPPORTED sparc platform"
	depends BROKEN
	select LINUX_2_6
	select sparc

endif

endchoice

choice
	prompt "Target Profile"

EOF
	
	foreach my $target (@target) {
		my $profiles = $target->{profiles};
		
		foreach my $profile (@$profiles) {
			print <<EOF;
config LINUX_$target->{conf}_$profile->{id}
	bool "$profile->{name}"
	depends LINUX_$target->{conf}
EOF
			$profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
			my %pkgs;
			foreach my $pkg (@{$target->{packages}}, @{$profile->{packages}}) {
				$pkgs{$pkg} = 1;
			}
			foreach my $pkg (keys %pkgs) {
				print "\tselect DEFAULT_$pkg\n" unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
			}
			print "\n";
		}
	}

	print "endchoice\n";
}

sub find_package_dep($$) {
	my $pkg = shift;
	my $name = shift;
	my $deps = ($pkg->{vdepends} or $pkg->{depends});

	return 0 unless defined $deps;
	foreach my $dep (@{$deps}) {
		return 1 if $dep eq $name;
		return 1 if ($package{$dep} and (find_package_dep($package{$dep},$name) == 1));
	}
	return 0;
}

sub package_depends($$) {
	my $a = shift;
	my $b = shift;
	my $ret;

	return 0 if ($a->{submenu} ne $b->{submenu});
	if (find_package_dep($a, $b->{name}) == 1) {
		$ret = 1;
	} elsif (find_package_dep($b, $a->{name}) == 1) {
		$ret = -1;
	} else {
		return 0;
	}
	return $ret;
}

sub mconf_depends($$) {
	my $depends = shift;
	my $only_dep = shift;
	my $res;

	$depends or return;
	my @depends = @$depends;
	foreach my $depend (@depends) {
		my $m = "depends";
		$depend =~ s/^([@\+]+)//;
		my $flags = $1;
		my $vdep;
	
		if ($vdep = $package{$depend}->{vdepends}) {
			$depend = join("||", map { "PACKAGE_".$_ } @$vdep);
		} else {
			$flags =~ /\+/ and do {
				next if $only_dep;
				$m = "select";

				# Menuconfig will not treat 'select FOO' as a real dependency
				# thus if FOO depends on other config options, these dependencies
				# will not be checked. To fix this, we simply emit all of FOO's
				# depends here as well.
				$package{$depend} and $res .= mconf_depends($package{$depend}->{depends}, 1);
			};
			$flags =~ /@/ or $depend = "PACKAGE_$depend";
		}
		$res .= "\t\t$m $depend\n";
	}
	return $res;
}

sub print_package_config_category($) {
	my $cat = shift;
	my %menus;
	my %menu_dep;
	
	return unless $category{$cat};
	
	print "menu \"$cat\"\n\n";
	my %spkg = %{$category{$cat}};
	
	foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
		foreach my $pkg (@{$spkg{$spkg}}) {
			my $menu = $pkg->{submenu};
			if ($menu) {
				$menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
			} else {
				$menu = 'undef';
			}
			$menus{$menu} or $menus{$menu} = [];
			push @{$menus{$menu}}, $pkg;
			print "\tconfig DEFAULT_".$pkg->{name}."\n";
			print "\t\tbool\n\n";
		}
	}
	my @menus = sort {
		($a eq 'undef' ?  1 : 0) or
		($b eq 'undef' ? -1 : 0) or
		($a cmp $b)
	} keys %menus;

	foreach my $menu (@menus) {
		my @pkgs = sort {
			package_depends($a, $b) or
			($a->{name} cmp $b->{name})
		} @{$menus{$menu}};
		if ($menu ne 'undef') {
			$menu_dep{$menu} and print "if $menu_dep{$menu}\n";
			print "menu \"$menu\"\n";
		}
		foreach my $pkg (@pkgs) {
			my $title = $pkg->{name};
			my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
			if ($c > 0) {
				$title .= ("." x $c). " ". $pkg->{title};
			}
			print "\t";
			$pkg->{menu} and print "menu";
			print "config PACKAGE_".$pkg->{name}."\n";
			print "\t\ttristate \"$title\"\n";
			print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
			foreach my $default (split /\s*,\s*/, $pkg->{default}) {
				print "\t\tdefault $default\n";
			}
			print mconf_depends($pkg->{depends}, 0);
			print "\t\thelp\n";
			print $pkg->{description};
			print "\n";

			$pkg->{config} and print $pkg->{config}."\n";
		}
		if ($menu ne 'undef') {
			print "endmenu\n";
			$menu_dep{$menu} and print "endif\n";
		}
	}
	print "endmenu\n\n";
	
	undef $category{$cat};
}

sub gen_package_config() {
	parse_package_metadata();
	print_package_config_category 'Base system';
	foreach my $cat (keys %category) {
		print_package_config_category $cat;
	}
}

sub parse_command() {
	my $cmd = shift @ARGV;
	for ($cmd) {
		/^target_mk$/ and return gen_target_mk();
		/^target_config$/ and return gen_target_config();
		/^package_config$/ and return gen_package_config();
	}
	print <<EOF
Available Commands:
	$0 target_mk [file] 		Target metadata in makefile format
	$0 target_config [file] 	Target metadata in Kconfig format
	$0 package_config [file] 	Package metadata in Kconfig format
EOF
}

parse_command();