1 files changed, 329 insertions, 0 deletions
diff --git a/scripts/target-metadata.pl b/scripts/target-metadata.pl
new file mode 100755
index 0000000..16f8a9f
--- /dev/null
+++ b/scripts/target-metadata.pl
@@ -0,0 +1,329 @@
+#!/usr/bin/env perl
+use FindBin;
+use lib "$FindBin::Bin";
+use strict;
+use metadata;
+use Getopt::Long;
+
+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 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 gen_target_config() {
+	my $file = shift @ARGV;
+	my @target = parse_target_metadata($file);
+	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 $profile (@{$target->{profiles}}) {
+			print <<EOF;
+config TARGET_$target->{conf}_$profile->{id}
+	bool "$profile->{name}"
+	depends on TARGET_$target->{conf}
+EOF
+			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_SUBTARGET
+	string
+	default "generic" if !HAS_SUBTARGETS
+
+EOF
+
+	foreach my $target (@target) {
+		foreach my $subtarget (@{$target->{subtargets}}) {
+			print "\t\tdefault \"$subtarget\" if TARGET_".$target->{conf}."_$subtarget\n";
+		}
+	}
+	print <<EOF;
+config TARGET_PROFILE
+	string
+EOF
+	foreach my $target (@target) {
+		my $profiles = $target->{profiles};
+		foreach my $profile (@$profiles) {
+			print "\tdefault \"$profile->{id}\" if TARGET_$target->{conf}_$profile->{id}\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";
+	}
+}
+
+sub gen_profile_mk() {
+	my $file = shift @ARGV;
+	my $target = shift @ARGV;
+	my @targets = parse_target_metadata($file);
+	foreach my $cur (@targets) {
+		next unless $cur->{id} eq $target;
+		print "PROFILE_NAMES = ".join(" ", map { $_->{id} } @{$cur->{profiles}})."\n";
+		foreach my $profile (@{$cur->{profiles}}) {
+			print $profile->{id}.'_NAME:='.$profile->{name}."\n";
+			print $profile->{id}.'_PACKAGES:='.join(' ', @{$profile->{packages}})."\n";
+		}
+	}
+}
+
+sub parse_command() {
+	GetOptions("ignore=s", \@ignore);
+	my $cmd = shift @ARGV;
+	for ($cmd) {
+		/^config$/ and return gen_target_config();
+		/^profile_mk$/ and return gen_profile_mk();
+	}
+	die <<EOF
+Available Commands:
+	$0 config [file] 			Target metadata in Kconfig format
+	$0 profile_mk [file] [target]		Profile metadata in makefile format
+
+EOF
+}
+
+parse_command();