1 files changed, 91 insertions, 0 deletions
diff --git a/scripts/dump-target-info.pl b/scripts/dump-target-info.pl
new file mode 100755
index 0000000000..aa97f8d603
--- /dev/null
+++ b/scripts/dump-target-info.pl
@@ -0,0 +1,91 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use Cwd;
+
+my (%targets, %architectures);
+
+$ENV{'TOPDIR'} = Cwd::getcwd();
+
+
+sub parse_targetinfo {
+	my ($target_dir, $subtarget) = @_;
+
+	if (open M, "make -C '$target_dir' --no-print-directory DUMP=1 TARGET_BUILD=1 SUBTARGET='$subtarget' |") {
+		my ($target_name, $target_arch, @target_features);
+		while (defined(my $line = readline M)) {
+			chomp $line;
+
+			if ($line =~ /^Target: (.+)$/) {
+				$target_name = $1;
+			}
+			elsif ($line =~ /^Target-Arch-Packages: (.+)$/) {
+				$target_arch = $1;
+			}
+			elsif ($line =~ /^Target-Features: (.+)$/) {
+				@target_features = split /\s+/, $1;
+			}
+			elsif ($line =~ /^@\@$/) {
+				if ($target_name && $target_arch &&
+				    !grep { $_ eq 'broken' or $_ eq 'source-only' } @target_features) {
+					$targets{$target_name} = $target_arch;
+					$architectures{$target_arch} ||= [];
+					push @{$architectures{$target_arch}}, $target_name;
+				}
+
+				undef $target_name;
+				undef $target_arch;
+				@target_features = ();
+			}
+		}
+		close M;
+	}
+}
+
+sub get_targetinfo {
+	foreach my $target_makefile (glob "target/linux/*/Makefile") {
+		my ($target_dir) = $target_makefile =~ m!^(.+)/Makefile$!;
+		my @subtargets;
+
+		if (open M, "make -C '$target_dir' --no-print-directory DUMP=1 TARGET_BUILD=1 val.FEATURES V=s 2>/dev/null |") {
+			if (defined(my $line = readline M)) {
+				chomp $line;
+				if (grep { $_ eq 'broken' or $_ eq 'source-only' } split /\s+/, $line) {
+					next;
+				}
+			}
+		}
+
+		if (open M, "make -C '$target_dir' --no-print-directory DUMP=1 TARGET_BUILD=1 val.SUBTARGETS V=s 2>/dev/null |") {
+			if (defined(my $line = readline M)) {
+				chomp $line;
+				@subtargets = split /\s+/, $line;
+			}
+			close M;
+		}
+
+		push @subtargets, 'generic' if @subtargets == 0;
+
+		foreach my $subtarget (@subtargets) {
+			parse_targetinfo($target_dir, $subtarget);
+		}
+	}
+}
+
+if (@ARGV == 1 && $ARGV[0] eq 'targets') {
+	get_targetinfo();
+	foreach my $target_name (sort keys %targets) {
+		printf "%s %s\n", $target_name, $targets{$target_name};
+	}
+}
+elsif (@ARGV == 1 && $ARGV[0] eq 'architectures') {
+	get_targetinfo();
+	foreach my $target_arch (sort keys %architectures) {
+		printf "%s %s\n", $target_arch, join ' ', @{$architectures{$target_arch}};
+	}
+}
+else {
+	print "Usage: $0 targets\n";
+	print "Usage: $0 architectures\n";
+}