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@@ -1,275 +0,0 @@
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-#!/usr/bin/env perl
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-# ----------------------------------------------------------------------
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-# mkknlimg by Phil Elwell for Raspberry Pi
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-# based on extract-ikconfig by Dick Streefland
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-#
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-# (c) 2009,2010 Dick Streefland <dick@streefland.net>
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-# (c) 2014,2015 Raspberry Pi (Trading) Limited <info@raspberrypi.org>
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-#
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-# Licensed under the terms of the GNU General Public License.
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-# ----------------------------------------------------------------------
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-
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-use strict;
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-use warnings;
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-use integer;
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-
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-my $trailer_magic = 'RPTL';
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-
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-my $tmpfile1 = "/tmp/mkknlimg_$$.1";
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-my $tmpfile2 = "/tmp/mkknlimg_$$.2";
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-
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-my $dtok = 0;
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-my $is_283x = 0;
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-
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-while (@ARGV && ($ARGV[0] =~ /^-/))
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-{
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- my $arg = shift(@ARGV);
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- if ($arg eq '--dtok')
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- {
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- $dtok = 1;
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- }
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- elsif ($arg eq '--283x')
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- {
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- $is_283x = 1;
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- }
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- else
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- {
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- print ("* Unknown option '$arg'\n");
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- usage();
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- }
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-}
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-
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-usage() if (@ARGV != 2);
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-
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-my $kernel_file = $ARGV[0];
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-my $out_file = $ARGV[1];
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-
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-if (! -r $kernel_file)
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-{
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- print ("* File '$kernel_file' not found\n");
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- usage();
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-}
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-
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-my @wanted_config_lines =
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-(
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- 'CONFIG_BCM2708_DT',
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- 'CONFIG_ARCH_BCM2835'
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-);
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-
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-my @wanted_strings =
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-(
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- 'bcm2708_fb',
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- 'brcm,bcm2835-mmc',
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- 'brcm,bcm2835-sdhost',
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- 'brcm,bcm2708-pinctrl',
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- 'brcm,bcm2835-gpio',
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- 'brcm,bcm2835-pm-wdt'
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-);
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-
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-my $res = try_extract($kernel_file, $tmpfile1);
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-$res = try_decompress('\037\213\010', 'xy', 'gunzip', 0,
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- $kernel_file, $tmpfile1, $tmpfile2) if (!$res);
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-$res = try_decompress('\3757zXZ\000', 'abcde', 'unxz --single-stream', -1,
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- $kernel_file, $tmpfile1, $tmpfile2) if (!$res);
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-$res = try_decompress('BZh', 'xy', 'bunzip2', 0,
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- $kernel_file, $tmpfile1, $tmpfile2) if (!$res);
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-$res = try_decompress('\135\0\0\0', 'xxx', 'unlzma', 0,
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- $kernel_file, $tmpfile1, $tmpfile2) if (!$res);
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-$res = try_decompress('\211\114\132', 'xy', 'lzop -d', 0,
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- $kernel_file, $tmpfile1, $tmpfile2) if (!$res);
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-$res = try_decompress('\002\041\114\030', 'xy', 'lz4 -d', 1,
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- $kernel_file, $tmpfile1, $tmpfile2) if (!$res);
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-
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-my $append_trailer;
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-my $trailer;
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-my $kver = '?';
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-
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-$append_trailer = $dtok;
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-
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-if ($res)
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-{
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- $kver = $res->{''} || '?';
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- print("Version: $kver\n");
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-
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- $append_trailer = $dtok;
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- if (!$dtok)
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- {
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- if (config_bool($res, 'bcm2708_fb') ||
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- config_bool($res, 'brcm,bcm2835-mmc') ||
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- config_bool($res, 'brcm,bcm2835-sdhost'))
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- {
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- $dtok ||= config_bool($res, 'CONFIG_BCM2708_DT');
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- $dtok ||= config_bool($res, 'CONFIG_ARCH_BCM2835');
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- $dtok ||= config_bool($res, 'brcm,bcm2708-pinctrl');
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- $dtok ||= config_bool($res, 'brcm,bcm2835-gpio');
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- $is_283x ||= config_bool($res, 'CONFIG_ARCH_BCM2835');
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- $is_283x ||= config_bool($res, 'brcm,bcm2835-pm-wdt');
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- $append_trailer = 1;
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- }
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- else
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- {
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- print ("* This doesn't look like a Raspberry Pi kernel. In pass-through mode.\n");
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- }
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- }
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-}
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-elsif (!$dtok)
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-{
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- print ("* Is this a valid kernel? In pass-through mode.\n");
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-}
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-
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-if ($append_trailer)
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-{
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- printf("DT: %s\n", $dtok ? "y" : "n");
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- printf("283x: %s\n", $is_283x ? "y" : "n");
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-
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- my @atoms;
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-
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- push @atoms, [ $trailer_magic, pack('V', 0) ];
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- push @atoms, [ 'KVer', $kver ];
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- push @atoms, [ 'DTOK', pack('V', $dtok) ];
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- push @atoms, [ '283x', pack('V', $is_283x) ];
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-
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- $trailer = pack_trailer(\@atoms);
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- $atoms[0]->[1] = pack('V', length($trailer));
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-
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- $trailer = pack_trailer(\@atoms);
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-}
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-
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-my $ofh;
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-my $total_len = 0;
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-
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-if ($out_file eq $kernel_file)
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-{
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- die "* Failed to open '$out_file' for append\n"
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- if (!open($ofh, '>>', $out_file));
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- $total_len = tell($ofh);
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-}
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-else
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-{
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- die "* Failed to open '$kernel_file'\n"
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- if (!open(my $ifh, '<', $kernel_file));
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- die "* Failed to create '$out_file'\n"
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- if (!open($ofh, '>', $out_file));
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-
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- my $copybuf;
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- while (1)
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- {
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- my $bytes = sysread($ifh, $copybuf, 64*1024);
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- last if (!$bytes);
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- syswrite($ofh, $copybuf, $bytes);
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- $total_len += $bytes;
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- }
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- close($ifh);
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-}
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-
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-if ($trailer)
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-{
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- # Pad to word-alignment
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- syswrite($ofh, "\x000\x000\x000", (-$total_len & 0x3));
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- syswrite($ofh, $trailer);
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-}
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-
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-close($ofh);
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-
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-exit($trailer ? 0 : 1);
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-
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-END {
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- unlink($tmpfile1) if ($tmpfile1);
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- unlink($tmpfile2) if ($tmpfile2);
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-}
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-
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-
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-sub usage
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-{
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- print ("Usage: mkknlimg [--dtok] [--283x] <vmlinux|zImage|bzImage> <outfile>\n");
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- exit(1);
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-}
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-
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-sub try_extract
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-{
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- my ($knl, $tmp) = @_;
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-
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- my $ver = `strings "$knl" | grep -a -E "^Linux version [1-9]"`;
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-
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- return undef if (!$ver);
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-
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- chomp($ver);
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-
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- my $res = { ''=>$ver };
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- my $string_pattern = '^('.join('|', @wanted_strings).')$';
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-
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- my @matches = `strings \"$knl\" | grep -E \"$string_pattern\"`;
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- foreach my $match (@matches)
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- {
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- chomp($match);
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- $res->{$match} = 1;
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- }
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-
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- my $config_pattern = '^('.join('|', @wanted_config_lines).')=(.*)$';
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- my $cf1 = 'IKCFG_ST\037\213\010';
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- my $cf2 = '0123456789';
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-
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- my $pos = `tr "$cf1\n$cf2" "\n$cf2=" < "$knl" | grep -abo "^$cf2"`;
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- if ($pos)
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- {
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- $pos =~ s/:.*[\r\n]*$//s;
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- $pos += 8;
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- my $err = (system("tail -c+$pos \"$knl\" | zcat > $tmp 2> /dev/null") >> 8);
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- if (($err == 0) || ($err == 2))
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- {
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- if (open(my $fh, '<', $tmp))
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- {
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- while (my $line = <$fh>)
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- {
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- chomp($line);
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- $res->{$1} = $2 if ($line =~ /$config_pattern/);
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- }
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-
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- close($fh);
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- }
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- }
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- }
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-
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- return $res;
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-}
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-
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-
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-sub try_decompress
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-{
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- my ($magic, $subst, $zcat, $idx, $knl, $tmp1, $tmp2) = @_;
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-
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- my $pos = `tr "$magic\n$subst" "\n$subst=" < "$knl" | grep -abo "^$subst"`;
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- if ($pos)
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- {
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- chomp($pos);
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- $pos = (split(/[\r\n]+/, $pos))[$idx];
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- return undef if (!defined($pos));
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- $pos =~ s/:.*[\r\n]*$//s;
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- my $cmd = "tail -c+$pos \"$knl\" | $zcat > $tmp2 2> /dev/null";
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- my $err = (system($cmd) >> 8);
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- return undef if (($err != 0) && ($err != 2));
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-
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- return try_extract($tmp2, $tmp1);
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- }
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-
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- return undef;
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-}
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-
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-sub pack_trailer
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-{
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- my ($atoms) = @_;
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- my $trailer = pack('VV', 0, 0);
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- for (my $i = $#$atoms; $i>=0; $i--)
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- {
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- my $atom = $atoms->[$i];
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- $trailer .= pack('a*x!4Va4', $atom->[1], length($atom->[1]), $atom->[0]);
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- }
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- return $trailer;
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-}
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-
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-sub config_bool
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-{
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- my ($configs, $wanted) = @_;
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- my $val = $configs->{$wanted} || 'n';
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- return (($val eq 'y') || ($val eq '1'));
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-}
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Waldemar Brodkorb