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[brcm63xx] generate images for old CFE based boards like the Davolink DV201
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14264 3c298f89-4303-0410-b956-a3cf2f4a3e73
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florian
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scripts/brcmImage.pl
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162
scripts/brcmImage.pl
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#!/usr/bin/perl
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#
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# Copyright (C) 2009 Henk Vergonet <Henk.Vergonet@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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# Description:
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# Replacement for brcmImagebuilder
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#
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# Disclaimer:
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# Use this software at your own risk.
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#
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# Changelog:
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# 2009-01-01 Henk.Vergonet at gmail.com
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#
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use strict;
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use Getopt::Std;
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use Compress::Zlib;
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my $version = "0.1";
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my %arg = (
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o => 'bcm963xx_fs_kernel',
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b => 'OpenWrt',
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c => '6348',
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s => 64,
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f => 0xbfc00000,
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x => 0x00010000,
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a => 0x80010000,
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e => 0x80010000,
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i => 2,
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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:lc:b:s:f:i:a:e:tpvh", \%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 $arg{o}
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-l : littleendian system, default ".($arg{l} ? 'yes' : 'no')."
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-c <chipid> : default $arg{c}
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-b <boardid> : default $arg{b}
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-s <size_kb> : erase sise flash, default $arg{s}
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-f <baseaddr> : flash base, default ".sprintf('0x%x', $arg{f})."
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-x <cfelen> : length of cfe, default ".sprintf('0x%x', $arg{x})."
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-i : 2=dual image, default $arg{i}
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-a <loadaddr> : Kernel load address, default ".sprintf('0x%x', $arg{a})."
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-e <entryaddr>: Kernel entry address, default ".sprintf('0x%x', $arg{e})."
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-t : Prefix kernel with load,entry,size
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-p : Add a 'gOtO' partition
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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 Read_Image
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{
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open my $fh, $_[0] or die "open $_[0]: $!";
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local $/; # Set input to "slurp" mode.
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my $buf = <$fh>;
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close $fh;
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return $buf;
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}
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sub Padlen
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{
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my $p = $_[0] % $_[1];
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return ($p ? $_[1] - $p : 0);
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}
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sub Pad
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{
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my ($buf, $off, $bs) = @_[0..2];
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$buf .= chr(255) x Padlen(length($buf) + $off, $bs);
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return $buf;
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}
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sub bcmImage
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{
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my ($k, $f) = @_[0..1];
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my $tmp = $arg{x} + 0x100 + $arg{f};
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# regular: rootfs+kernel
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my ($img, $fa, $ka) = ( $f.$k, $tmp, $tmp + length($f) );
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# test: kernel+rootfs
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# my ($img, $fa, $ka) = ( $k.$f, $tmp + length($k), $tmp );
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$fa = 0 unless length($f);
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my $hdr = pack("a4a20a14a6a16a2a10a12a10a12a10a12a10a2a2a74Na16",
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'6',
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'LinuxInside',
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'ver. 2.0',
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$arg{c},
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$arg{b},
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($arg{l} ? '0' : '1'),
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length($img),
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'0',
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'0',
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$fa,
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length($f),
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$ka,
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length($k),
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($arg{i}==2 ? '1' : '0'),
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'', # if 1, the image is INACTIVE; if 0, active
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'',
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~crc32($k, crc32($f)),
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'');
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$hdr .= pack('Na16', ~crc32($hdr), '');
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printf "kernel at 0x%x length 0x%x(%u)\n", $ka, length($k), length($k)
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if $arg{v};
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printf "rootfs at 0x%x length 0x%x(%u)\n", $fa, length($f), length($f)
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if $arg{v};
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open(FO, ">$arg{o}");
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print FO $hdr;
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print FO $img;
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close FO;
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}
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# MAIN
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my $kern = Read_Image $arg{k};
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my $root = Read_Image $arg{r};
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$kern = pack('NNN', $arg{a}, $arg{e}, length($kern)).$kern if $arg{t};
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# specific fixup for the CFE that expects rootfs-kernel order
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if ($arg{p}) {
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$kern = Pad($kern, 0x10c, $arg{s} * 1024);
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my $dummy_root = pack('a4NN',
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'gOtO',
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length($kern)+12,
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length($root)+Padlen(length($root), $arg{s} * 1024)
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);
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$kern .= $root;
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$root = $dummy_root;
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}
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bcmImage($kern, $root);
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@ -45,6 +45,14 @@ define Image/Build/RedBoot
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dd if=$(KDIR)/vmlinux.bin.gz of=$(BIN_DIR)/openwrt-$(1)-vmlinux.gz bs=65536 conv=sync
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endef
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define Image/Build/CFEOLD
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$(TOPDIR)/scripts/brcmImage.pl -t -p \
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-b $(2) -c $(3) \
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-k $(KDIR)/vmlinux.lzma.cfe \
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-r $(KDIR)/root.$(1) \
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-o $(BIN_DIR)/openwrt-$(2)-$(1)-cfe.bin
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endef
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define Build/Clean
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$(MAKE) -C lzma-loader clean
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endef
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@ -86,6 +94,8 @@ define Image/Build
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$(call Image/Build/CFE,$(1),96358VW,6358)
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# Comtrend 536
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$(call Image/Build/CFE,$(1),96348GW-11,6348)
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# Davolink DV201AMR
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$(call Image/Build/CFEOLD,$(1),DV201AMR,6348)
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# DG834GT
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$(call Image/Build/CFE,$(1),96348GW-10,6348)
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# Sagem F@ST2404
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