diff options
Diffstat (limited to 'scripts/kconfig/streamline_config.pl')
| -rw-r--r-- | scripts/kconfig/streamline_config.pl | 68 |
1 files changed, 62 insertions, 6 deletions
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl index 0d800820c3cd..c70a27d924f0 100644 --- a/scripts/kconfig/streamline_config.pl +++ b/scripts/kconfig/streamline_config.pl @@ -113,14 +113,19 @@ find_config; # Get the build source and top level Kconfig file (passed in) my $ksource = $ARGV[0]; my $kconfig = $ARGV[1]; +my $lsmod_file = $ARGV[2]; + +my @makefiles = `find $ksource -name Makefile 2>/dev/null`; +chomp @makefiles; -my @makefiles = `find $ksource -name Makefile`; my %depends; my %selects; my %prompts; my %objects; my $var; my $cont = 0; +my $iflevel = 0; +my @ifdeps; # prevent recursion my %read_kconfigs; @@ -146,6 +151,15 @@ sub read_kconfig { $state = "NEW"; $config = $1; + for (my $i = 0; $i < $iflevel; $i++) { + if ($i) { + $depends{$config} .= " " . $ifdeps[$i]; + } else { + $depends{$config} = $ifdeps[$i]; + } + $state = "DEP"; + } + # collect the depends for the config } elsif ($state eq "NEW" && /^\s*depends\s+on\s+(.*)$/) { $state = "DEP"; @@ -166,6 +180,21 @@ sub read_kconfig { # note if the config has a prompt $prompt{$config} = 1; + # Check for if statements + } elsif (/^if\s+(.*\S)\s*$/) { + my $deps = $1; + # remove beginning and ending non text + $deps =~ s/^[^a-zA-Z0-9_]*//; + $deps =~ s/[^a-zA-Z0-9_]*$//; + + my @deps = split /[^a-zA-Z0-9_]+/, $deps; + + $ifdeps[$iflevel++] = join ':', @deps; + + } elsif (/^endif/) { + + $iflevel-- if ($iflevel); + # stop on "help" } elsif (/^\s*help\s*$/) { $state = "NONE"; @@ -188,7 +217,6 @@ if ($kconfig) { # Read all Makefiles to map the configs to the objects foreach my $makefile (@makefiles) { - chomp $makefile; open(MIN,$makefile) || die "Can't open $makefile"; while (<MIN>) { @@ -215,7 +243,7 @@ foreach my $makefile (@makefiles) { foreach my $obj (split /\s+/,$objs) { $obj =~ s/-/_/g; if ($obj =~ /(.*)\.o$/) { - # Objects may bes enabled by more than one config. + # Objects may be enabled by more than one config. # Store configs in an array. my @arr; @@ -237,8 +265,36 @@ foreach my $makefile (@makefiles) { my %modules; -# see what modules are loaded on this system -open(LIN,"/sbin/lsmod|") || die "Cant lsmod"; +if (defined($lsmod_file)) { + if ( ! -f $lsmod_file) { + die "$lsmod_file not found"; + } + if ( -x $lsmod_file) { + # the file is executable, run it + open(LIN, "$lsmod_file|"); + } else { + # Just read the contents + open(LIN, "$lsmod_file"); + } +} else { + + # see what modules are loaded on this system + my $lsmod; + + foreach $dir ( ("/sbin", "/bin", "/usr/sbin", "/usr/bin") ) { + if ( -x "$dir/lsmod" ) { + $lsmod = "$dir/lsmod"; + last; + } +} + if (!defined($lsmod)) { + # try just the path + $lsmod = "lsmod"; + } + + open(LIN,"$lsmod|") || die "Can not call lsmod with $lsmod"; +} + while (<LIN>) { next if (/^Module/); # Skip the first line. if (/^(\S+)/) { @@ -252,7 +308,7 @@ close (LIN); my %configs; foreach my $module (keys(%modules)) { if (defined($objects{$module})) { - @arr = @{$objects{$module}}; + my @arr = @{$objects{$module}}; foreach my $conf (@arr) { $configs{$conf} = $module; } |