mirror of https://github.com/hak5/openwrt-owl.git
112 lines
3.3 KiB
Perl
Executable File
112 lines
3.3 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# Script for generating redboot configs, based on brcmImage.pl
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#
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# Copyright (C) 2015 Álvaro Fernández Rojas <noltari@gmail.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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use strict;
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use Getopt::Std;
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use File::stat;
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my $version = "0.1";
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my %arg = (
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o => 'redboot.script',
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s => 0x1000,
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f => 0xbe430000,
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a => 0x80010000,
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l => 0x7c0000,
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t => 20,
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);
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my $prog = $0;
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$prog =~ s/^.*\///;
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getopts("r:k:o:s:f:a:l:t:vh", \%arg);
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die "usage: $prog ~opts~
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-r <file> : input rootfs file
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-k <file> : input kernel file
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-o <file> : output image file, default $arg{o}
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-s <size_kb> : redboot script size, default ".sprintf('%d', parse_num($arg{s}))."
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-f <baseaddr> : flash base, default ".sprintf('0x%x', parse_num($arg{f}))."
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-a <loadaddr> : Kernel load address, default ".sprintf('0x%x', parse_num($arg{a}))."
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-l <linux_kb> : linux partition size, default ".sprintf('0x%x', parse_num($arg{l}))."
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-t <timeout> : redboot script timeout, default ".sprintf('%d', parse_num($arg{t}))."
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-v : be more verbose
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-h : help, version $version
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EXAMPLES:
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$prog -k kern -r rootfs
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" if $arg{h} || !$arg{k} || !$arg{r};
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sub parse_num
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{
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my $num = @_[0];
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if (index(lc($num), lc("0x")) == 0) {
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return hex($num);
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} else {
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return $num + 0;
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}
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}
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sub gen_script
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{
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my $kernel_off = parse_num($arg{s});
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my $kernel_addr = parse_num($arg{f});
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my $kernel_len = stat($arg{k})->size;
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my $rootfs_off = $kernel_off + $kernel_len;
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my $rootfs_addr = $kernel_addr + $kernel_len;
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my $rootfs_len = parse_num($arg{l}) - $kernel_len;
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my $rootfs_size = stat($arg{r})->size;
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my $load_addr = parse_num($arg{a});
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my $timeout = parse_num($arg{t});
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if ($arg{v}) {
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printf "kernel_off: 0x%x(%u)\n", $kernel_off, $kernel_off;
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printf "kernel_addr: 0x%x(%u)\n", $kernel_addr, $kernel_addr;
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printf "kernel_len: 0x%x(%u)\n", $kernel_len, $kernel_len;
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printf "rootfs_off: 0x%x(%u)\n", $rootfs_off, $rootfs_off;
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printf "rootfs_addr: 0x%x(%u)\n", $rootfs_addr, $rootfs_addr;
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printf "rootfs_len: 0x%x(%u)\n", $rootfs_len, $rootfs_len;
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printf "rootfs_size: 0x%x(%u)\n", $rootfs_size, $rootfs_size;
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}
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open(FO, ">$arg{o}");
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printf FO "fis init -f\n";
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printf FO "\n";
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printf FO "fconfig boot_script true\n";
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printf FO "fconfig boot_script_data\n";
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printf FO "fis load -b 0x%x -d kernel\n", $load_addr;
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printf FO "exec -c \"noinitrd\" 0x%x\n", $load_addr;
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printf FO "\n";
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printf FO "fconfig boot_script_timeout %d\n", $timeout;
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printf FO "\n";
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printf FO "fis create -o 0x%x -f 0x%x -l 0x%x kernel\n", $kernel_off, $kernel_addr, $kernel_len;
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printf FO "\n";
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printf FO "fis create -o 0x%x -s 0x%x -f 0x%x -l 0x%x rootfs\n", $rootfs_off, $rootfs_size, $rootfs_addr, $rootfs_len;
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printf FO "\n";
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printf FO "reset\n";
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close FO;
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}
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# MAIN
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gen_script();
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