diff options
Diffstat (limited to 'utils/ypr0tools/unpack-firmware.sh')
-rwxr-xr-x | utils/ypr0tools/unpack-firmware.sh | 90 |
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 @@ | |||
1 | #!/bin/bash | ||
2 | |||
3 | ###################################################################### | ||
4 | # __________ __ ___. | ||
5 | # Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
6 | # Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
7 | # Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
8 | # Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
9 | # \/ \/ \/ \/ \/ | ||
10 | # | ||
11 | # * Script to unpack a Samsung YP-R0 firmware file (R0.ROM) */ | ||
12 | ###################################################################### | ||
13 | |||
14 | # The file was originally called MuonDecrypt.sh | ||
15 | # | ||
16 | # I'm not sure about the original author of this file, as it wasn't included in Samsung package. | ||
17 | # 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... | ||
18 | # | ||
19 | |||
20 | |||
21 | # bail out early | ||
22 | set -e | ||
23 | |||
24 | # some sanity checks | ||
25 | if [ $# -lt 1 ] || [ $# -gt 2 ]; then | ||
26 | echo "Usage $0 <rom file> [out dir]" | ||
27 | exit 1 | ||
28 | fi | ||
29 | |||
30 | |||
31 | ROM=$1 | ||
32 | DIR=${2:-"."} | ||
33 | DIR=${DIR%/} | ||
34 | MBOOT="$DIR/MBoot.bin" | ||
35 | MBOOT_TMP="${TMP_DIR:-$DIR}/MBoot.tmp" | ||
36 | LINUX="$DIR/zImage" | ||
37 | CRAMFS="$DIR/cramfs-fsl.rom" | ||
38 | SYSDATA="$DIR/SYSDATA.bin" | ||
39 | MD5SUMS="$DIR/MD5SUMS" | ||
40 | TMP="${TMP_DIR:-$DIR}/_$$.tmp" | ||
41 | |||
42 | |||
43 | if [ ! -f ./extract_section ]; then | ||
44 | echo "Couldn't find extract_section binary (try 'make')" | ||
45 | exit 1 | ||
46 | fi | ||
47 | |||
48 | if [ ! -f ./MuonEncrypt ]; then | ||
49 | echo "Couldn't find MuonEncrypt binary (try 'make')" | ||
50 | exit 1 | ||
51 | fi | ||
52 | |||
53 | mkdir -p $DIR | ||
54 | |||
55 | if [ ! -w $DIR ]; then | ||
56 | echo "Target dir not writable" | ||
57 | exit 1 | ||
58 | fi | ||
59 | |||
60 | ExtractAndDecrypt() { | ||
61 | START=$(expr $START - $2) | ||
62 | echo "Extracting $1..." | ||
63 | ./extract_section $ROM $TMP $START $2 | ||
64 | echo "Decrypt $1..." | ||
65 | ./MuonEncrypt $TMP > $1 | ||
66 | } | ||
67 | |||
68 | size=( `head -n 9 $ROM | tail -n 4 | while read LINE; do echo $LINE | cut -d\( -f 2 | cut -d\) -f 1; done`) | ||
69 | checksum=( `head -n 9 $ROM | tail -n 4 | while read LINE; do echo $LINE | cut -d\( -f 3 | cut -d\) -f 1; done`) | ||
70 | |||
71 | echo "${checksum[0]} $MBOOT" > $MD5SUMS | ||
72 | echo "${checksum[1]} $LINUX" >> $MD5SUMS | ||
73 | echo "${checksum[2]} $CRAMFS" >> $MD5SUMS | ||
74 | echo "${checksum[3]} $SYSDATA" >> $MD5SUMS | ||
75 | |||
76 | START=`stat -c%s $ROM` | ||
77 | |||
78 | ExtractAndDecrypt $SYSDATA ${size[3]} | ||
79 | ExtractAndDecrypt $CRAMFS ${size[2]} | ||
80 | ExtractAndDecrypt $LINUX ${size[1]} | ||
81 | ExtractAndDecrypt $MBOOT_TMP ${size[0]} | ||
82 | |||
83 | rm $TMP | ||
84 | echo "Create $MBOOT..." | ||
85 | dd if=$MBOOT_TMP of=$MBOOT bs=96 count=1 2>/dev/null | ||
86 | dd if=$MBOOT_TMP of=$MBOOT bs=1088 skip=1 seek=1 2>/dev/null | ||
87 | rm $MBOOT_TMP | ||
88 | |||
89 | echo "Check integrity:" | ||
90 | md5sum -c $MD5SUMS | ||