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-rwxr-xr-xscripts/mkknlimg45
1 files changed, 37 insertions, 8 deletions
diff --git a/scripts/mkknlimg b/scripts/mkknlimg
index cfd76d569..3dff94899 100755
--- a/scripts/mkknlimg
+++ b/scripts/mkknlimg
@@ -1,6 +1,16 @@
#!/usr/bin/env perl
+# ----------------------------------------------------------------------
+# mkknlimg by Phil Elwell for Raspberry Pi
+# based on extract-ikconfig by Dick Streefland
+#
+# (c) 2009,2010 Dick Streefland <dick@streefland.net>
+# (c) 2014,2015 Raspberry Pi (Trading) Limited <info@raspberrypi.org>
+#
+# Licensed under the terms of the GNU General Public License.
+# ----------------------------------------------------------------------
use strict;
+use warnings;
use integer;
my $trailer_magic = 'RPTL';
@@ -9,14 +19,19 @@ my $tmpfile1 = "/tmp/mkknlimg_$$.1";
my $tmpfile2 = "/tmp/mkknlimg_$$.2";
my $dtok = 0;
+my $is_283x = 0;
-while ($ARGV[0] =~ /^-/)
+while (@ARGV && ($ARGV[0] =~ /^-/))
{
my $arg = shift(@ARGV);
if ($arg eq '--dtok')
{
$dtok = 1;
}
+ elsif ($arg eq '--283x')
+ {
+ $is_283x = 1;
+ }
else
{
print ("* Unknown option '$arg'\n");
@@ -37,15 +52,18 @@ if (! -r $kernel_file)
my @wanted_config_lines =
(
- 'CONFIG_BCM2708_DT'
+ 'CONFIG_BCM2708_DT',
+ 'CONFIG_ARCH_BCM2835'
);
my @wanted_strings =
(
'bcm2708_fb',
+ 'brcm,bcm2835-mmc',
+ 'brcm,bcm2835-sdhost',
'brcm,bcm2708-pinctrl',
'brcm,bcm2835-gpio',
- 'of_find_property'
+ 'brcm,bcm2835-pm-wdt'
);
my $res = try_extract($kernel_file, $tmpfile1);
@@ -64,21 +82,28 @@ $res = try_decompress('\002\041\114\030', 'xy', 'lz4 -d', 1,
my $append_trailer;
my $trailer;
+my $kver = '?';
$append_trailer = $dtok;
if ($res)
{
- print("Version: $res->{''}\n");
+ $kver = $res->{''} || '?';
+ print("Version: $kver\n");
$append_trailer = $dtok;
if (!$dtok)
{
- if (config_bool($res, 'bcm2708_fb'))
+ if (config_bool($res, 'bcm2708_fb') ||
+ config_bool($res, 'brcm,bcm2835-mmc') ||
+ config_bool($res, 'brcm,bcm2835-sdhost'))
{
$dtok ||= config_bool($res, 'CONFIG_BCM2708_DT');
+ $dtok ||= config_bool($res, 'CONFIG_ARCH_BCM2835');
$dtok ||= config_bool($res, 'brcm,bcm2708-pinctrl');
$dtok ||= config_bool($res, 'brcm,bcm2835-gpio');
+ $is_283x ||= config_bool($res, 'CONFIG_ARCH_BCM2835');
+ $is_283x ||= config_bool($res, 'brcm,bcm2835-pm-wdt');
$append_trailer = 1;
}
else
@@ -95,12 +120,14 @@ elsif (!$dtok)
if ($append_trailer)
{
printf("DT: %s\n", $dtok ? "y" : "n");
+ printf("283x: %s\n", $is_283x ? "y" : "n");
my @atoms;
push @atoms, [ $trailer_magic, pack('V', 0) ];
- push @atoms, [ 'KVer', $res->{''} ];
+ push @atoms, [ 'KVer', $kver ];
push @atoms, [ 'DTOK', pack('V', $dtok) ];
+ push @atoms, [ '283x', pack('V', $is_283x) ];
$trailer = pack_trailer(\@atoms);
$atoms[0]->[1] = pack('V', length($trailer));
@@ -154,7 +181,7 @@ END {
sub usage
{
- print ("Usage: mkknlimg [--dtok] <vmlinux|zImage|bzImage> <outfile>\n");
+ print ("Usage: mkknlimg [--dtok] [--283x] <vmlinux|zImage|bzImage> <outfile>\n");
exit(1);
}
@@ -216,6 +243,7 @@ sub try_decompress
{
chomp($pos);
$pos = (split(/[\r\n]+/, $pos))[$idx];
+ return undef if (!defined($pos));
$pos =~ s/:.*[\r\n]*$//s;
my $cmd = "tail -c+$pos \"$knl\" | $zcat > $tmp2 2> /dev/null";
my $err = (system($cmd) >> 8);
@@ -242,5 +270,6 @@ sub pack_trailer
sub config_bool
{
my ($configs, $wanted) = @_;
- return (($configs->{$wanted} eq 'y') || ($configs->{$wanted} eq '1'));
+ my $val = $configs->{$wanted} || 'n';
+ return (($val eq 'y') || ($val eq '1'));
}