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#!/bin/sh
######################################################################
# __________ __ ___.
# Open \______ \ ____ ____ | | _\_ |__ _______ ___
# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
# \/ \/ \/ \/ \/
#
# * Script to patch an unpacked Samsung YP-R0 firmware file */
# Copyright (C) 2011 Thomas Martitz
# Copyright (C) 2013 Lorenzo Miori
######################################################################
# bail out early
set -e
if [ $# -lt 1 ] || [ $# -gt 2 ]; then
echo "Usage: $0 <files path> [path to unpacked rom]"
echo "\t<files path> is expected to have a special resources and rootfs layout"
exit 1
fi
MODEL="unknown"
FILES=${1%/}
FILES=${FILES:-"/"}
COMMON_FILES="$FILES/common"
DIR=${2:-"."}
DIR=${DIR%/}
ROOTFS=$DIR/rootfs
CRAMFS=$DIR/cramfs-fsl.rom
# sanity checks
for subdir in common r0 r1
do
if [ ! -d "$FILES/$subdir" ]
then
echo "Missing $FILES/$subdir. Invalid $FILES layout."
exit 1
fi
done
if [ ! -e "$FILES/r1/etc/safemode/cable_detect" ]
then
echo "Couldn't find cable_detect binary (try 'make' or select a valid layout directory)"
exit 1
fi
for image in pre_smode.raw post_smode.raw safemode.raw
do
if [ ! -e "$FILES/r1/etc/safemode/$image" ]
then
echo "Missing r1 .raw image file (try 'make'): $image"
exit 1
fi
if [ ! -e "$FILES/r0/etc/safemode/$image" ]
then
echo "Missing r0 .raw image file (try 'make'): $image"
exit 1
fi
done
# this needs to be run as root!
if [ $(whoami) != "root" ]
then
echo "This needs to be run as root"
exit 1
fi
if [ ! -e $1 ] || [ ! -e $2 ]; then
echo "$1 or $2 does not exist"
exit 1
fi
if [ -z $ROOTFS ] || [ -z $FILES ]; then
echo "Invalid input directories"
exit 1
fi
if [ ! -e $CRAMFS ]; then
echo "Cramfs image not found (did you extract the firmware?)"
exit 1
fi
echo "Extracting cramfs image"
[ ! -e $ROOTFS ] || rm -R $ROOTFS
cramfs-1.1/cramfsck -x $ROOTFS $CRAMFS
# now we can detect player version
# NOTE: order is important here, since ironically
# r1's ROM contains also r0's executables
if [ -e "$ROOTFS/usr/local/bin/r1" ]
then
MODEL="r1"
else
if [ -e "$ROOTFS/usr/local/bin/r0" ]
then
MODEL="r0"
fi
fi
echo "$MODEL ROM found."
echo "Patching rootfs (common files)"
echo "cp -r $COMMON_FILES/* $ROOTFS/"
cp -r $COMMON_FILES/.rockbox $ROOTFS/
cp -r $COMMON_FILES/* $ROOTFS/
echo "Patching rootfs ($MODEL files)"
MODEL_FILES="$FILES/$MODEL"
echo "cp -r $MODEL_FILES/* $ROOTFS/"
cp -r $MODEL_FILES/* $ROOTFS/
rm -rf $ROOTFS/dev/ttyGS0
mknod $ROOTFS/dev/ttyGS0 c 127 0
echo "Packing new cramfs image"
cramfs-1.1/mkcramfs $ROOTFS $CRAMFS
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