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#!/usr/bin/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{$1};
}
};
/^Target-Kernel:\s*(\d+\.\d+)\s*$/ and $target->{kernel} = $1;
/^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
/^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
/^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
/^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
/^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
/^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
/^Linux-Version:\s*(.+)\s*$/ 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:\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 $target (@target) {
next if @{$target->{subtargets}} > 0;
@{$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')) {
$kconfig{$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 @_) {
/broken/ and $ret .= "\tdepends BROKEN\n";
/display/ and $ret .= "\tselect DISPLAY_SUPPORT\n";
/gpio/ and $ret .= "\tselect GPIO_SUPPORT\n";
/pci/ and $ret .= "\tselect PCI_SUPPORT\n";
/usb/ and $ret .= "\tselect USB_SUPPORT\n";
/pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
/squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
/jffs2/ and $ret .= "\tselect USES_JFFS2\n";
/ext2/ and $ret .= "\tselect USES_EXT2\n";
/tgz/ and $ret .= "\tselect USES_TGZ\n";
/cpiogz/ and $ret .= "\tselect USES_CPIOGZ\n";
/fpu/ and $ret .= "\tselect HAS_FPU\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/\./_/;
$v =~ /(\d+_\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 $kernel = $target->{kernel};
my $confstr;
$kernel =~ tr/./_/;
chomp $features;
$features .= "\n";
if ($help =~ /\w+/) {
$help =~ s/^\s*/\t /mg;
$help = "\thelp\n$help";
} else {
undef $help;
}
my $v = kver($target->{version});
$confstr = <<EOF;
config TARGET_$target->{conf}
bool "$target->{name}"
select LINUX_$kernel
select LINUX_$v
EOF
if ($target->{subtarget}) {
$confstr .= "\tdepends TARGET_$target->{boardconf}\n";
}
if (@{$target->{subtargets}} > 0) {
$confstr .= "\tselect HAS_SUBTARGETS\n";
} else {
$confstr .= "\tselect $target->{arch}\n";
foreach my $dep (@{$target->{depends}}) {
my $mode = "depends";
my $flags;
my $name;
$dep =~ /^([@\+\-]+)(.+)$/;
$flags = $1;
$name = $2;
$flags =~ /-/ and $mode = "deselect";
$flags =~ /\+/ and $mode = "select";
$flags =~ /@/ and $confstr .= "\t$mode $name\n";
}
$confstr .= $features;
}
$confstr .= "$help\n\n";
print $confstr;
}
sub gen_target_config() {
my @target = parse_target_metadata();
my @target_sort = sort {
target_name($a) cmp target_name($b);
} @target;
print <<EOF;
choice
prompt "Target System"
default TARGET_brcm_2_4
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->{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 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";
}
print "\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";
}
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
}
}
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 $depends = shift;
my $only_dep = shift;
my $res;
my $dep = shift;
$dep or $dep = {};
$depends or return;
my @depends = @$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 mconf_depends($package{$depend}->{depends}, 1, $dep);
};
$flags =~ /@/ or $depend = "PACKAGE_$depend";
}
$dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
}
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}}) {
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\t".($pkg->{tristate} ? 'tristate' : 'bool')." \"$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($ARGV[0]) or exit 1;
print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\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}->{$cfg}->{label}" if UCI_PRECONFIG
depends PACKAGE_$preconfig
default "$preconfig{$preconfig}->{$cfg}->{default}"
EOF
}
}
print_package_config_category 'Base system';
foreach my $cat (keys %category) {
print_package_config_category $cat;
}
}
sub gen_package_mk() {
my %conf;
my %dep;
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};
next if defined $pkg->{vdepends};
if ($ENV{SDK}) {
$conf{$pkg->{src}} or do {
$config = 'm';
$conf{$pkg->{src}} = 1;
};
} else {
$config = "\$(CONFIG_PACKAGE_$name)"
}
if ($config) {
print "package-$config += $pkg->{subdir}$pkg->{src}\n";
$pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
}
my $hasdeps = 0;
my $depline = "";
foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
next if $dep =~ /@/;
$dep =~ s/\+//;
my $idx;
my $pkg_dep = $package{$dep};
next if defined $pkg_dep->{vdepends};
if (defined $pkg_dep->{src}) {
($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
} elsif (defined($srcpackage{$dep})) {
$idx = $subdir{$dep}.$dep;
}
undef $idx if $idx =~ /^(kernel)|(base-files)$/;
if ($idx) {
next if $dep{$pkg->{src}."->".$idx};
$depline .= " \$(curdir)/$idx/compile";
$dep{$pkg->{src}."->".$idx} = 1;
}
}
if ($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 $cmds;
print <<EOF
\$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
( \\
$cmds \\
) > \$@
ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
endif
EOF
}
}
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();
}
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
EOF
}
parse_command();