1 files changed, 90 insertions, 0 deletions

diff --git a/utils/ypr0tools/unpack-firmware.sh b/utils/ypr0tools/unpack-firmware.sh
new file mode 100755
index 0000000000..ab80670c79
--- /dev/null
+++ b/utils/ypr0tools/unpack-firmware.sh
@@ -0,0 +1,90 @@
+#!/bin/bash
+
+######################################################################
+#             __________               __   ___.
+#   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+#   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+#   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+#   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+#                     \/            \/     \/    \/            \/
+#
+#   * Script to unpack a Samsung YP-R0 firmware file (R0.ROM) */
+######################################################################
+
+# The file was originally called MuonDecrypt.sh
+#
+# I'm not sure about the original author of this file, as it wasn't included in Samsung package.
+# But I guess it was done by JeanLouis, an Italian user of the Hardware Upgrade Forum. If needed, we should search throug old posts for that...
+#
+
+
+# bail out early
+set -e
+
+# some sanity checks
+if [ $# -lt 1 ] || [ $# -gt 2 ]; then
+    echo "Usage $0 <rom file> [out dir]"
+    exit 1
+fi
+
+
+ROM=$1
+DIR=${2:-"."}
+DIR=${DIR%/}
+MBOOT="$DIR/MBoot.bin"
+MBOOT_TMP="${TMP_DIR:-$DIR}/MBoot.tmp"
+LINUX="$DIR/zImage"
+CRAMFS="$DIR/cramfs-fsl.rom"
+SYSDATA="$DIR/SYSDATA.bin"
+MD5SUMS="$DIR/MD5SUMS"
+TMP="${TMP_DIR:-$DIR}/_$$.tmp"
+
+
+if [ ! -f ./extract_section ]; then
+    echo "Couldn't find extract_section binary (try 'make')"
+    exit 1
+fi
+
+if [ ! -f ./MuonEncrypt ]; then
+    echo "Couldn't find MuonEncrypt binary (try 'make')"
+    exit 1
+fi
+
+mkdir -p $DIR
+
+if [ ! -w $DIR ]; then
+    echo "Target dir not writable"
+    exit 1
+fi
+
+ExtractAndDecrypt() {
+        START=$(expr $START - $2)
+        echo "Extracting $1..."
+        ./extract_section $ROM $TMP $START $2
+        echo "Decrypt $1..."
+        ./MuonEncrypt $TMP > $1
+}
+
+size=( `head -n 9 $ROM | tail -n 4 | while read LINE; do echo $LINE | cut -d\( -f 2 | cut -d\) -f 1; done`)
+checksum=( `head -n 9 $ROM | tail -n 4 | while read LINE; do echo $LINE | cut -d\( -f 3 | cut -d\) -f 1; done`)
+
+echo "${checksum[0]}  $MBOOT" > $MD5SUMS
+echo "${checksum[1]}  $LINUX" >> $MD5SUMS
+echo "${checksum[2]}  $CRAMFS" >> $MD5SUMS
+echo "${checksum[3]}  $SYSDATA" >> $MD5SUMS
+
+START=`stat -c%s $ROM`
+
+ExtractAndDecrypt $SYSDATA ${size[3]}
+ExtractAndDecrypt $CRAMFS ${size[2]}
+ExtractAndDecrypt $LINUX ${size[1]}
+ExtractAndDecrypt $MBOOT_TMP ${size[0]}
+
+rm $TMP
+echo "Create $MBOOT..."
+dd if=$MBOOT_TMP of=$MBOOT bs=96 count=1 2>/dev/null
+dd if=$MBOOT_TMP of=$MBOOT bs=1088 skip=1 seek=1 2>/dev/null
+rm $MBOOT_TMP
+
+echo "Check integrity:"
+md5sum -c $MD5SUMS