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type bit is ('0', '1');  -- WKT:2
type integer is range <>;
subtype natural is integer range 0 to 2147483647;
type bit_vector is array (natural range <>) of bit;
type address_channel is record
  awaddr: bit_vector;
  awvalid: bit;
end record;
type t_if is record
  write_channel: address_channel;
end record;
subtype st_if_32 is t_if(write_channel(awaddr (31 downto 0)));
design
 package standard: 
 instance repro2: 
  signal s: st_if_32: #1-#33
  process P0: 
  process P1: 
Time is 0 fs
#1: '0' (0)
#2: '0' (0)
#3: '0' (0)
#4: '0' (0)
#5: '0' (0)
#6: '0' (0)
#7: '0' (0)
#8: '0' (0)
#9: '0' (0)
#10: '0' (0)
#11: '0' (0)
#12: '0' (0)
#13: '0' (0)
#14: '0' (0)
#15: '0' (0)
#16: '0' (0)
#17: '0' (0)
#18: '0' (0)
#19: '0' (0)
#20: '0' (0)
#21: '0' (0)
#22: '0' (0)
#23: '0' (0)
#24: '0' (0)
#25: '0' (0)
#26: '0' (0)
#27: '0' (0)
#28: '0' (0)
#29: '0' (0)
#30: '0' (0)
#31: '0' (0)
#32: '0' (0)
#33: '0' (0)
Time is 0 fs
#1: '0' (0)
#2: '0' (0)
#3: '0' (0)
#4: '0' (0)
#5: '0' (0)
#6: '0' (0)
#7: '0' (0)
#8: '0' (0)
#9: '0' (0)
#10: '0' (0)
#11: '0' (0)
#12: '0' (0)
#13: '0' (0)
#14: '0' (0)
#15: '0' (0)
#16: '0' (0)
#17: '0' (0)
#18: '0' (0)
#19: '0' (0)
#20: '1' (1)
#21: '0' (0)
#22: '0' (0)
#23: '0' (0)
#24: '0' (0)
#25: '0' (0)
#26: '0' (0)
#27: '0' (0)
#28: '0' (0)
#29: '0' (0)
#30: '0' (0)
#31: '0' (0)
#32: '0' (0)
#33: '0' (0)
Time is 1000000 fs
#1: '0' (0)
#2: '0' (0)
#3: '0' (0)
#4: '0' (0)
#5: '0' (0)
#6: '0' (0)
#7: '0' (0)
#8: '0' (0)
#9: '0' (0)
#10: '0' (0)
#11: '0' (0)
#12: '0' (0)
#13: '0' (0)
#14: '0' (0)
#15: '0' (0)
#16: '0' (0)
#17: '0' (0)
#18: '0' (0)
#19: '0' (0)
#20: '1' (1)
#21: '0' (0)
#22: '0' (0)
#23: '0' (0)
#24: '0' (0)
#25: '0' (0)
#26: '0' (0)
#27: '0' (0)
#28: '0' (0)
#29: '0' (0)
#30: '0' (0)
#31: '0' (0)
#32: '0' (0)
#33: '0' (0)
Time is 2000000 fs
#1: '0' (0)
#2: '0' (0)
#3: '0' (0)
#4: '1' (1)
#5: '0' (0)
#6: '0' (0)
#7: '0' (0)
#8: '0' (0)
#9: '0' (0)
#10: '0' (0)
#11: '0' (0)
#12: '0' (0)
#13: '0' (0)
#14: '0' (0)
#15: '0' (0)
#16: '0' (0)
#17: '1' (1)
#18: '1' (1)
#19: '1' (1)
#20: '1' (1)
#21: '1' (1)
#22: '1' (1)
#23: '1' (1)
#24: '1' (1)
#25: '1' (1)
#26: '1' (1)
#27: '1' (1)
#28: '1' (1)
#29: '1' (1)
#30: '1' (1)
#31: '1' (1)
#32: '1' (1)
#33: '0' (0)
Time is 3000000 fs
#1: '0' (0)
#2: '0' (0)
#3: '0' (0)
#4: '1' (1)
#5: '0' (0)
#6: '0' (0)
#7: '0' (0)
#8: '0' (0)
#9: '0' (0)
#10: '0' (0)
#11: '0' (0)
#12: '0' (0)
#13: '0' (0)
#14: '0' (0)
#15: '0' (0)
#16: '0' (0)
#17: '1' (1)
#18: '1' (1)
#19: '1' (1)
#20: '1' (1)
#21: '1' (1)
#22: '1' (1)
#23: '1' (1)
#24: '1' (1)
#25: '1' (1)
#26: '1' (1)
#27: '1' (1)
#28: '1' (1)
#29: '1' (1)
#30: '1' (1)
#31: '1' (1)
#32: '1' (1)
#33: '0' (0)
/a> 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883
#!/usr/bin/env perl
use FindBin;
use lib "$FindBin::Bin";
use strict;
use metadata;

my %board;

sub confstr($) {
	my $conf = shift;
	$conf =~ tr#/\.\-/#___#;
	return $conf;
}

sub parse_target_metadata() {
	my $file = shift @ARGV;
	my ($target, @target, $profile);
	my %target;

	open FILE, "<$file" or do {
		warn "Can't open file '$file': $!\n";
		return;
	};
	while (<FILE>) {
		chomp;
		/^Target:\s*(.+)\s*$/ and do {
			my $name = $1;
			$target = {
				id => $name,
				board => $name,
				boardconf => confstr($name),
				conf => confstr($name),
				profiles => [],
				features => [],
				depends => [],
				subtargets => []
			};
			push @target, $target;
			$target{$name} = $target;
			if ($name =~ /([^\/]+)\/([^\/]+)/) {
				push @{$target{$1}->{subtargets}}, $2;
				$target->{board} = $1;
				$target->{boardconf} = confstr($1);
				$target->{subtarget} = 1;
				$target->{parent} = $target{$1};
			}
		};
		/^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
		/^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
		/^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
		/^Target-Arch-Packages:\s*(.+)\s*$/ and $target->{arch_packages} = $1;
		/^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
		/^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
		/^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
		/^Target-Optimization:\s*(.+)\s*$/ and $target->{cflags} = $1;
		/^CPU-Type:\s*(.+)\s*$/ and $target->{cputype} = $1;
		/^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
		/^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
		/^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
		/^Default-Subtarget:\s*(.+)\s*$/ and $target->{def_subtarget} = $1;
		/^Default-Packages:\s*(.+)\s*$/ 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:\s*(.*)\s*/ and $profile->{desc} = get_multiline(*FILE);
		/^Target-Profile-Config:/ and $profile->{config} = get_multiline(*FILE, "\t");
		/^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
	}
	close FILE;
	foreach my $target (@target) {
		if (@{$target->{subtargets}} > 0) {
			$target->{profiles} = [];
			next;
		}
		@{$target->{profiles}} > 0 or $target->{profiles} = [
			{
				id => 'Default',
				name => 'Default',
				packages => []
			}
		];
	}
	return @target;
}

sub gen_kconfig_overrides() {
	my %config;
	my %kconfig;
	my $package;
	my $pkginfo = shift @ARGV;
	my $cfgfile = shift @ARGV;

	# parameter 2: build system config
	open FILE, "<$cfgfile" or return;
	while (<FILE>) {
		/^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
	}
	close FILE;

	# parameter 1: package metadata
	open FILE, "<$pkginfo" or return;
	while (<FILE>) {
		/^Package:\s*(.+?)\s*$/ and $package = $1;
		/^Kernel-Config:\s*(.+?)\s*$/ and do {
			my @config = split /\s+/, $1;
			foreach my $config (@config) {
				my $val = 'm';
				my $override;
				if ($config =~ /^(.+?)=(.+)$/) {
					$config = $1;
					$override = 1;
					$val = $2;
				}
				if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
					next if $kconfig{$config} eq 'y';
					$kconfig{$config} = $val;
				} elsif (!$override) {
					$kconfig{$config} or $kconfig{$config} = 'n';
				}
			}
		};
	};
	close FILE;

	foreach my $kconfig (sort keys %kconfig) {
		if ($kconfig{$kconfig} eq 'n') {
			print "# $kconfig is not set\n";
		} else {
			print "$kconfig=$kconfig{$kconfig}\n";
		}
	}
}

sub merge_package_lists($$) {
	my $list1 = shift;
	my $list2 = shift;
	my @l = ();
	my %pkgs;

	foreach my $pkg (@$list1, @$list2) {
		$pkgs{$pkg} = 1;
	}
	foreach my $pkg (keys %pkgs) {
		push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
	}
	return sort(@l);
}

sub target_config_features(@) {
	my $ret;

	while ($_ = shift @_) {
		/arm_v(\w+)/ and $ret .= "\tselect arm_v$1\n";
		/broken/ and $ret .= "\tdepends on BROKEN\n";
		/audio/ and $ret .= "\tselect AUDIO_SUPPORT\n";
		/display/ and $ret .= "\tselect DISPLAY_SUPPORT\n";
		/dt/ and $ret .= "\tselect USES_DEVICETREE\n";
		/gpio/ and $ret .= "\tselect GPIO_SUPPORT\n";
		/pci/ and $ret .= "\tselect PCI_SUPPORT\n";
		/pcie/ and $ret .= "\tselect PCIE_SUPPORT\n";
		/usb/ and $ret .= "\tselect USB_SUPPORT\n";
		/usbgadget/ and $ret .= "\tselect USB_GADGET_SUPPORT\n";
		/pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
		/rtc/ and $ret .= "\tselect RTC_SUPPORT\n";
		/squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
		/jffs2$/ and $ret .= "\tselect USES_JFFS2\n";
		/jffs2_nand/ and $ret .= "\tselect USES_JFFS2_NAND\n";
		/ext4/ and $ret .= "\tselect USES_EXT4\n";
		/targz/ and $ret .= "\tselect USES_TARGZ\n";
		/cpiogz/ and $ret .= "\tselect USES_CPIOGZ\n";
		/ubifs/ and $ret .= "\tselect USES_UBIFS\n";
		/fpu/ and $ret .= "\tselect HAS_FPU\n";
		/spe_fpu/ and $ret .= "\tselect HAS_SPE_FPU\n";
		/ramdisk/ and $ret .= "\tselect USES_INITRAMFS\n";
		/powerpc64/ and $ret .= "\tselect powerpc64\n";
		/nommu/ and $ret .= "\tselect NOMMU\n";
		/mips16/ and $ret .= "\tselect HAS_MIPS16\n";
		/rfkill/ and $ret .= "\tselect RFKILL_SUPPORT\n";
		/low_mem/ and $ret .= "\tselect LOW_MEMORY_FOOTPRINT\n";
		/nand/ and $ret .= "\tselect NAND_SUPPORT\n";
	}
	return $ret;
}

sub target_name($) {
	my $target = shift;
	my $parent = $target->{parent};
	if ($parent) {
		return $target->{parent}->{name}." - ".$target->{name};
	} else {
		return $target->{name};
	}
}

sub kver($) {
	my $v = shift;
	$v =~ tr/\./_/;
	if (substr($v,0,2) eq "2_") {
		$v =~ /(\d+_\d+_\d+)(_\d+)?/ and $v = $1;
	} else {
		$v =~ /(\d+_\d+)(_\d+)?/ and $v = $1;
	}
	return $v;
}

sub print_target($) {
	my $target = shift;
	my $features = target_config_features(@{$target->{features}});
	my $help = $target->{desc};
	my $confstr;

	chomp $features;
	$features .= "\n";
	if ($help =~ /\w+/) {
		$help =~ s/^\s*/\t  /mg;
		$help = "\thelp\n$help";
	} else {
		undef $help;
	}

	my $v = kver($target->{version});
	if (@{$target->{subtargets}} == 0) {
	$confstr = <<EOF;
config TARGET_$target->{conf}
	bool "$target->{name}"
	select LINUX_$v
EOF
	}
	else {
		$confstr = <<EOF;
config TARGET_$target->{conf}
	bool "$target->{name}"
EOF
	}
	if ($target->{subtarget}) {
		$confstr .= "\tdepends on TARGET_$target->{boardconf}\n";
	}
	if (@{$target->{subtargets}} > 0) {
		$confstr .= "\tselect HAS_SUBTARGETS\n";
		grep { /broken/ } @{$target->{features}} and $confstr .= "\tdepends on BROKEN\n";
	} else {
		$confstr .= $features;
	}

	if ($target->{arch} =~ /\w/) {
		$confstr .= "\tselect $target->{arch}\n";
	}
	foreach my $dep (@{$target->{depends}}) {
		my $mode = "depends on";
		my $flags;
		my $name;

		$dep =~ /^([@\+\-]+)(.+)$/;
		$flags = $1;
		$name = $2;

		next if $name =~ /:/;
		$flags =~ /-/ and $mode = "deselect";
		$flags =~ /\+/ and $mode = "select";
		$flags =~ /@/ and $confstr .= "\t$mode $name\n";
	}
	$confstr .= "$help\n\n";
	print $confstr;
}

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

	my @target_sort = sort {
		target_name($a) cmp target_name($b);
	} @target;


	print <<EOF;
choice
	prompt "Target System"
	default TARGET_ar71xx
	reset if !DEVEL
	
EOF

	foreach my $target (@target_sort) {
		next if $target->{subtarget};
		print_target($target);
	}

	print <<EOF;
endchoice

choice
	prompt "Subtarget" if HAS_SUBTARGETS
EOF
	foreach my $target (@target) {
		next unless $target->{def_subtarget};
		print <<EOF;
	default TARGET_$target->{conf}_$target->{def_subtarget} if TARGET_$target->{conf}
EOF
	}
	print <<EOF;

EOF
	foreach my $target (@target) {
		next unless $target->{subtarget};
		print_target($target);
	}

print <<EOF;
endchoice

choice
	prompt "Target Profile"

EOF

	foreach my $target (@target) {
		my $profiles = $target->{profiles};

		foreach my $profile (@$profiles) {
			print <<EOF;
config TARGET_$target->{conf}_$profile->{id}
	bool "$profile->{name}"
	depends on TARGET_$target->{conf}
$profile->{config}
EOF
			$profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
			my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
			foreach my $pkg (@pkglist) {
				print "\tselect DEFAULT_$pkg\n";
				$defaults{$pkg} = 1;
			}
			my $help = $profile->{desc};
			if ($help =~ /\w+/) {
				$help =~ s/^\s*/\t  /mg;
				$help = "\thelp\n$help";
			} else {
				undef $help;
			}
			print "$help\n";
		}
	}

	print <<EOF;
endchoice

config HAS_SUBTARGETS
	bool

config TARGET_BOARD
	string

EOF
	foreach my $target (@target) {
		$target->{subtarget} or	print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
	}
	print <<EOF;
config TARGET_ARCH_PACKAGES
	string
	
EOF
	foreach my $target (@target) {
		next if @{$target->{subtargets}} > 0;
		print "\t\tdefault \"".($target->{arch_packages} || $target->{board})."\" if TARGET_".$target->{conf}."\n";
	}
	print <<EOF;

config DEFAULT_TARGET_OPTIMIZATION
	string
EOF
	foreach my $target (@target) {
		next if @{$target->{subtargets}} > 0;
		print "\tdefault \"".$target->{cflags}."\" if TARGET_".$target->{conf}."\n";
	}
	print "\tdefault \"-Os -pipe -funit-at-a-time\"\n";
	print <<EOF;

config CPU_TYPE
	string
EOF
	foreach my $target (@target) {
		next if @{$target->{subtargets}} > 0;
		print "\tdefault \"".$target->{cputype}."\" if TARGET_".$target->{conf}."\n";
	}
	print "\tdefault \"\"\n";

	my %kver;
	foreach my $target (@target) {
		my $v = kver($target->{version});
		next if $kver{$v};
		$kver{$v} = 1;
		print <<EOF;

config LINUX_$v
	bool

EOF
	}
	foreach my $def (sort keys %defaults) {
		print "\tconfig DEFAULT_".$def."\n";
		print "\t\tbool\n\n";
	}
}

my %dep_check;
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}) {
		next if $dep_check{$dep};
		$dep_check{$dep} = 1;
		return 1 if $dep eq $name;
		return 1 if ($package{$dep} and (__find_package_dep($package{$dep},$name) == 1));
	}
	return 0;
}

# wrapper to avoid infinite recursion
sub find_package_dep($$) {
	my $pkg = shift;
	my $name = shift;

	%dep_check = ();
	return __find_package_dep($pkg, $name);
}

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 $pkgname = shift;
	my $depends = shift;
	my $only_dep = shift;
	my $res;
	my $dep = shift;
	my $seen = shift;
	my $parent_condition = shift;
	$dep or $dep = {};
	$seen or $seen = {};
	my @t_depends;

	$depends or return;
	my @depends = @$depends;
	foreach my $depend (@depends) {
		my $m = "depends on";
		my $flags = "";
		$depend =~ s/^([@\+]+)// and $flags = $1;
		my $vdep;
		my $condition = $parent_condition;

		next if $condition eq $depend;
		next if $seen->{"$parent_condition:$depend"};
		next if $seen->{":$depend"};
		$seen->{"$parent_condition:$depend"} = 1;
		if ($depend =~ /^(.+):(.+)$/) {
			if ($1 ne "PACKAGE_$pkgname") {
				if ($condition) {
					$condition = "$condition && $1";
				} else {
					$condition = $1;
				}
			}
			$depend = $2;
		}
		next if $package{$depend} and $package{$depend}->{buildonly};
		if ($vdep = $package{$depend}->{vdepends}) {
			$depend = join("||", map { "PACKAGE_".$_ } @$vdep);
		} else {
			$flags =~ /\+/ and do {
				# 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 push @t_depends, [ $package{$depend}->{depends}, $condition ];

				$m = "select";
				next if $only_dep;
			};
			$flags =~ /@/ or $depend = "PACKAGE_$depend";
			if ($condition) {
				if ($m =~ /select/) {
					next if $depend eq $condition;
					$depend = "$depend if $condition";
				} else {
					$depend = "!($condition) || $depend" unless $dep->{$condition} eq 'select';
				}
			}
		}
		$dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
	}

	foreach my $tdep (@t_depends) {
		mconf_depends($pkgname, $tdep->[0], 1, $dep, $seen, $tdep->[1]);
	}

	foreach my $depend (keys %$dep) {
		my $m = $dep->{$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}}) {
			next if $pkg->{buildonly};
			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}}, $pkg;
		}
	}
	my @menus = sort {
		($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};
			}
			$title = "\"$title\"";
			print "\t";
			$pkg->{menu} and print "menu";
			print "config PACKAGE_".$pkg->{name}."\n";
			$pkg->{hidden} and $title = "";
			print "\t\t".($pkg->{tristate} ? 'tristate' : 'bool')." $title\n";
			print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
			unless ($pkg->{hidden}) {
				$pkg->{default} ||= "m if ALL";
			}
			if ($pkg->{default}) {
				foreach my $default (split /\s*,\s*/, $pkg->{default}) {
					print "\t\tdefault $default\n";
				}
			}
			print mconf_depends($pkg->{name}, $pkg->{depends}, 0);
			print mconf_depends($pkg->{name}, $pkg->{mdepends}, 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 print_package_features() {
	keys %features > 0 or return;
	print "menu \"Package features\"\n";
	foreach my $n (keys %features) {
		my @features = sort { $b->{priority} <=> $a->{priority} or $a->{title} cmp $b->{title} } @{$features{$n}};
		print <<EOF;
choice
	prompt "$features[0]->{target_title}"
	default FEATURE_$features[0]->{name}
EOF

		foreach my $feature (@features) {
			print <<EOF;
	config FEATURE_$feature->{name}
		bool "$feature->{title}"
EOF
			$feature->{description} =~ /\w/ and do {
				print "\t\thelp\n".$feature->{description}."\n";
			};
		}
		print "endchoice\n"
	}
	print "endmenu\n\n";
}

sub gen_package_config() {
	parse_package_metadata($ARGV[0]) or exit 1;
	print "menuconfig IMAGEOPT\n\tbool \"Image configuration\"\n\tdefault n\n";
	foreach my $preconfig (keys %preconfig) {
		foreach my $cfg (keys %{$preconfig{$preconfig}}) {
			my $conf = $preconfig{$preconfig}->{$cfg}->{id};
			$conf =~ tr/\.-/__/;
			print <<EOF
	config UCI_PRECONFIG_$conf
		string "$preconfig{$preconfig}->{$cfg}->{label}" if IMAGEOPT
		depends on PACKAGE_$preconfig
		default "$preconfig{$preconfig}->{$cfg}->{default}"

EOF
		}
	}
	print "source \"package/*/image-config.in\"\n";
	if (scalar glob "package/feeds/*/*/image-config.in") {
	    print "source \"package/feeds/*/*/image-config.in\"\n";
	}
	print_package_features();
	print_package_config_category 'Base system';
	foreach my $cat (sort {uc($a) cmp uc($b)} keys %category) {
		print_package_config_category $cat;
	}
}

sub get_conditional_dep($$) {
	my $condition = shift;
	my $depstr = shift;
	if ($condition) {
		if ($condition =~ /^!(.+)/) {
			return "\$(if \$(CONFIG_$1),,$depstr)";
		} else {
			return "\$(if \$(CONFIG_$condition),$depstr)";
		}
	} else {
		return $depstr;
	}
}

sub gen_package_mk() {
	my %conf;
	my %dep;
	my %done;
	my $line;

	parse_package_metadata($ARGV[0]) or exit 1;
	foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
		my $config;
		my $pkg = $package{$name};
		my @srcdeps;

		next if defined $pkg->{vdepends};

		$config = "\$(CONFIG_PACKAGE_$name)";
		if ($config) {
			$pkg->{buildonly} and $config = "";
			print "package-$config += $pkg->{subdir}$pkg->{src}\n";
			if ($pkg->{variant}) {
				if (!defined($done{$pkg->{src}}) or $pkg->{variant_default}) {
					print "\$(curdir)/$pkg->{subdir}$pkg->{src}/default-variant := $pkg->{variant}\n";
				}
				print "\$(curdir)/$pkg->{subdir}$pkg->{src}/variants += \$(if $config,$pkg->{variant})\n"
			}
			$pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
		}

		next if $done{$pkg->{src}};
		$done{$pkg->{src}} = 1;

		if (@{$pkg->{buildtypes}} > 0) {
			print "buildtypes-$pkg->{subdir}$pkg->{src} = ".join(' ', @{$pkg->{buildtypes}})."\n";
		}

		foreach my $spkg (@{$srcpackage{$pkg->{src}}}) {
			foreach my $dep (@{$spkg->{depends}}, @{$spkg->{builddepends}}) {
				$dep =~ /@/ or do {
					$dep =~ s/\+//g;
					push @srcdeps, $dep;
				};
			}
		}
		foreach my $type (@{$pkg->{buildtypes}}) {
			my @extra_deps;
			my %deplines;

			next unless $pkg->{"builddepends/$type"};
			foreach my $dep (@{$pkg->{"builddepends/$type"}}) {
				my $suffix = "";
				my $condition;

				if ($dep =~ /^(.+):(.+)/) {
					$condition = $1;
					$dep = $2;
				}
				if ($dep =~ /^(.+)(\/.+)/) {
					$dep = $1;
					$suffix = $2;
				}

				my $idx = "";
				my $pkg_dep = $package{$dep};
				if (defined($pkg_dep) && defined($pkg_dep->{src})) {
					$idx = $pkg_dep->{subdir}.$pkg_dep->{src};
				} elsif (defined($srcpackage{$dep})) {
					$idx = $subdir{$dep}.$dep;
				} else {
					next;
				}
				my $depstr = "\$(curdir)/$idx$suffix/compile";
				my $depline = get_conditional_dep($condition, $depstr);
				if ($depline) {
					$deplines{$depline}++;
				}
			}
			my $depline = join(" ", sort keys %deplines);
			if ($depline) {
				$line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/$type/compile += $depline\n";
			}
		}

		my $hasdeps = 0;
		my %deplines;
		foreach my $deps (@srcdeps) {
			my $idx;
			my $condition;
			my $prefix = "";
			my $suffix = "";

			if ($deps =~ /^(.+):(.+)/) {
				$condition = $1;
				$deps = $2;
			}
			if ($deps =~ /^(.+)(\/.+)/) {
				$deps = $1;
				$suffix = $2;
			}

			my $pkg_dep = $package{$deps};
			my @deps;

			if ($pkg_dep->{vdepends}) {
				@deps = @{$pkg_dep->{vdepends}};
			} else {
				@deps = ($deps);
			}

			foreach my $dep (@deps) {
				$pkg_dep = $package{$deps};
				if (defined $pkg_dep->{src}) {
					($pkg->{src} ne $pkg_dep->{src}.$suffix) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
				} elsif (defined($srcpackage{$dep})) {
					$idx = $subdir{$dep}.$dep;
				}
				undef $idx if $idx eq 'base-files';
				if ($idx) {
					$idx .= $suffix;

					my $depline;
					next if $pkg->{src} eq $pkg_dep->{src}.$suffix;
					next if $dep{$condition.":".$pkg->{src}."->".$idx};
					next if $dep{$pkg->{src}."->($dep)".$idx} and $pkg_dep->{vdepends};
					my $depstr;

					if ($pkg_dep->{vdepends}) {
						$depstr = "\$(if \$(CONFIG_PACKAGE_$dep),\$(curdir)/$idx/compile)";
						$dep{$pkg->{src}."->($dep)".$idx} = 1;
					} else {
						$depstr = "\$(curdir)/$idx/compile";
						$dep{$pkg->{src}."->".$idx} = 1;
					}
					$depline = get_conditional_dep($condition, $depstr);
					if ($depline) {
						$deplines{$depline}++;
					}
				}
			}
		}
		my $depline = join(" ", sort keys %deplines);
		if ($depline) {
			$line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
		}
	}

	if ($line ne "") {
		print "\n$line";
	}
	foreach my $preconfig (keys %preconfig) {
		my $cmds;
		foreach my $cfg (keys %{$preconfig{$preconfig}}) {
			my $conf = $preconfig{$preconfig}->{$cfg}->{id};
			$conf =~ tr/\.-/__/;
			$cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
		}
		next unless $cmds;
		print <<EOF

ifndef DUMP_TARGET_DB
\$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
	( \\
$cmds \\
	) > \$@
	
ifneq (\$(IMAGEOPT)\$(CONFIG_IMAGEOPT),)
  package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
endif
endif

EOF
	}
}

sub gen_package_source() {
	parse_package_metadata($ARGV[0]) or exit 1;
	foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
		my $pkg = $package{$name};
		if ($pkg->{name} && $pkg->{source}) {
			print "$pkg->{name}: ";
			print "$pkg->{source}\n";
		}
	}
}

sub gen_package_feeds() {
	parse_package_metadata($ARGV[0]) or exit 1;
	foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
		my $pkg = $package{$name};
		if ($pkg->{name} && $pkg->{feed}) {
			print "Package/$name/feed = $pkg->{feed}\n";
		}
	}
}

sub parse_command() {
	my $cmd = shift @ARGV;
	for ($cmd) {
		/^target_config$/ and return gen_target_config();
		/^package_mk$/ and return gen_package_mk();
		/^package_config$/ and return gen_package_config();
		/^kconfig/ and return gen_kconfig_overrides();
		/^package_source$/ and return gen_package_source();
		/^package_feeds$/ and return gen_package_feeds();
	}
	print <<EOF
Available Commands:
	$0 target_config [file] 	Target metadata in Kconfig format
	$0 package_mk [file]		Package metadata in makefile format
	$0 package_config [file] 	Package metadata in Kconfig format
	$0 kconfig [file] [config]	Kernel config overrides
	$0 package_source [file] 	Package source file information
	$0 package_feeds [file]		Package feed information in makefile format

EOF
}

parse_command();