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| -rwxr-xr-x | scripts/redboot-script.pl | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/scripts/redboot-script.pl b/scripts/redboot-script.pl new file mode 100755 index 0000000..123ebe3 --- /dev/null +++ b/scripts/redboot-script.pl @@ -0,0 +1,111 @@ +#!/usr/bin/perl +# +# Script for generating redboot configs, based on brcmImage.pl +# +# Copyright (C) 2015 Álvaro Fernández Rojas <noltari@gmail.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +# + +use strict; +use Getopt::Std; +use File::stat; + +my $version = "0.1"; +my %arg = ( + o => 'redboot.script', + s => 0x1000, + f => 0xbe430000, + a => 0x80010000, + l => 0x7c0000, + t => 20, +); +my $prog = $0; +$prog =~ s/^.*\///; +getopts("r:k:o:s:f:a:l:t:vh", \%arg); + +die "usage: $prog ~opts~ + + -r <file> : input rootfs file + -k <file> : input kernel file + -o <file> : output image file, default $arg{o} + -s <size_kb> : redboot script size, default ".sprintf('%d', parse_num($arg{s}))." + -f <baseaddr> : flash base, default ".sprintf('0x%x', parse_num($arg{f}))." + -a <loadaddr> : Kernel load address, default ".sprintf('0x%x', parse_num($arg{a}))." + -l <linux_kb> : linux partition size, default ".sprintf('0x%x', parse_num($arg{l}))." + -t <timeout> : redboot script timeout, default ".sprintf('%d', parse_num($arg{t}))." + -v : be more verbose + -h : help, version $version + +EXAMPLES: + $prog -k kern -r rootfs +" if $arg{h} || !$arg{k} || !$arg{r}; + +sub parse_num +{ + my $num = @_[0]; + if (index(lc($num), lc("0x")) == 0) { + return hex($num); + } else { + return $num + 0; + } +} + +sub gen_script +{ + my $kernel_off = parse_num($arg{s}); + my $kernel_addr = parse_num($arg{f}); + my $kernel_len = stat($arg{k})->size; + + my $rootfs_off = $kernel_off + $kernel_len; + my $rootfs_addr = $kernel_addr + $kernel_len; + my $rootfs_len = parse_num($arg{l}) - $kernel_len; + my $rootfs_size = stat($arg{r})->size; + + my $load_addr = parse_num($arg{a}); + + my $timeout = parse_num($arg{t}); + + if ($arg{v}) { + printf "kernel_off: 0x%x(%u)\n", $kernel_off, $kernel_off; + printf "kernel_addr: 0x%x(%u)\n", $kernel_addr, $kernel_addr; + printf "kernel_len: 0x%x(%u)\n", $kernel_len, $kernel_len; + + printf "rootfs_off: 0x%x(%u)\n", $rootfs_off, $rootfs_off; + printf "rootfs_addr: 0x%x(%u)\n", $rootfs_addr, $rootfs_addr; + printf "rootfs_len: 0x%x(%u)\n", $rootfs_len, $rootfs_len; + printf "rootfs_size: 0x%x(%u)\n", $rootfs_size, $rootfs_size; + } + + open(FO, ">$arg{o}"); + printf FO "fis init -f\n"; + printf FO "\n"; + printf FO "fconfig boot_script true\n"; + printf FO "fconfig boot_script_data\n"; + printf FO "fis load -b 0x%x -d kernel\n", $load_addr; + printf FO "exec -c \"noinitrd\" 0x%x\n", $load_addr; + printf FO "\n"; + printf FO "fconfig boot_script_timeout %d\n", $timeout; + printf FO "\n"; + printf FO "fis create -o 0x%x -f 0x%x -l 0x%x kernel\n", $kernel_off, $kernel_addr, $kernel_len; + printf FO "\n"; + 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; + printf FO "\n"; + printf FO "reset\n"; + close FO; +} + +# MAIN +gen_script(); |