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authorJonas Gorski <jogo@openwrt.org>2015-07-25 12:12:03 +0000
committerJonas Gorski <jogo@openwrt.org>2015-07-25 12:12:03 +0000
commitddc6d047b7269c854bea164c5d32dbe0987c5420 (patch)
treee106a38e4c33e317af0e14dcb6abb1e7671a68ef
parent71f2d6f865357f2de2ec58001a8d780d420c9bca (diff)
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scripts: add tool for generating redboot scripts
This tool avoids generating the redboot script directly from Makefile, which can get really complicated when adapting image/Makefile to the new IB system. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 46488
-rwxr-xr-xscripts/redboot-script.pl111
1 files changed, 111 insertions, 0 deletions
diff --git a/scripts/redboot-script.pl b/scripts/redboot-script.pl
new file mode 100755
index 0000000000..123ebe32a3
--- /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();