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Side by Side Diff: scripts/image_signing/unpack_firmwarefd.sh

Issue 3388002: Change tool "fmap_decode" to "mosys" (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/vboot_reference.git
Patch Set: Created 10 years, 3 months ago
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1 #!/bin/bash 1 #!/bin/bash
2 2
3 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved. 3 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
4 # Use of this source code is governed by a BSD-style license that can be 4 # Use of this source code is governed by a BSD-style license that can be
5 # found in the LICENSE file. 5 # found in the LICENSE file.
6 6
7 # Script that unpacks a firmware image (in .fd format) into its component 7 # Script that unpacks a firmware image (in .fd format) into its component
8 # pieces. Only outputs firmware A and B data, vblocks and the GBB. 8 # pieces. Only outputs firmware A and B data, vblocks and the GBB.
9 9
10 # The fmap_decode tool must be in the system path. 10 # The mosys tool must be in the system path.
11 11
12 # Abort on error 12 # Abort on error
13 set -e 13 set -e
14 14
15 # Check arguments 15 # Check arguments
16 if [ $# -ne 1 ] ; then 16 if [ $# -ne 1 ] ; then
17 echo "Usage: $0 src_fd" 17 echo "Usage: $0 src_fd"
18 echo "Outputs firmware.gbb, firmware[A|B].[data|vblock]" 18 echo "Outputs firmware.gbb, firmware[A|B].[data|vblock]"
19 exit 1 19 exit 1
20 fi 20 fi
21 21
22 # Make sure the tools we need are available. 22 # Make sure the tools we need are available.
23 type -P fmap_decode &>/dev/null || \ 23 type -P mosys &>/dev/null || \
24 { echo "fmap_decode tool not found."; exit 1; } 24 { echo "mosys tool not found."; exit 1; }
25 25
26 src_fd=$1 26 src_fd=$1
27 27
28 # Grab GBB Area offset and size 28 # Grab GBB Area offset and size
29 match_str="GBB Area" 29 match_str="GBB Area"
30 line=$(fmap_decode $1 | grep "$match_str") 30 line=$(mosys -f -k eeprom map $1 | grep "$match_str")
31 offset="$(echo $line | sed -e 's/.*area_offset=\"\([a-f0-9x]*\)\".*/\1/')" 31 offset="$(echo $line | sed -e 's/.*area_offset=\"\([a-f0-9x]*\)\".*/\1/')"
32 let gbb_offset="$offset" 32 let gbb_offset="$offset"
33 size="$(echo $line | sed -e 's/.*area_size=\"\([a-f0-9x]*\)\".*/\1/')" 33 size="$(echo $line | sed -e 's/.*area_size=\"\([a-f0-9x]*\)\".*/\1/')"
34 let gbb_size="$size" 34 let gbb_size="$size"
35 35
36 # Grab Firmware A and B offset and size 36 # Grab Firmware A and B offset and size
37 for i in "A" "B" 37 for i in "A" "B"
38 do 38 do
39 match_str="$i Key" 39 match_str="$i Key"
40 line=$(fmap_decode $1 | grep "$match_str") 40 line=$(mosys -f -k eeprom map $1 | grep "$match_str")
41 offset="$(echo $line | sed -e 's/.*area_offset=\"\([a-f0-9x]*\)\".*/\1/')" 41 offset="$(echo $line | sed -e 's/.*area_offset=\"\([a-f0-9x]*\)\".*/\1/')"
42 eval let \ 42 eval let \
43 fw${i}_vblock_offset="$offset" 43 fw${i}_vblock_offset="$offset"
44 size="$(echo $line | sed -e 's/.*area_size=\"\([a-f0-9x]*\)\".*/\1/')" 44 size="$(echo $line | sed -e 's/.*area_size=\"\([a-f0-9x]*\)\".*/\1/')"
45 eval let \ 45 eval let \
46 fw${i}_vblock_size="$size" 46 fw${i}_vblock_size="$size"
47 47
48 match_str="$i Data" 48 match_str="$i Data"
49 line=$(fmap_decode $1 | grep "$match_str") 49 line=$(mosys -f -k eeprom map $1 | grep "$match_str")
50 offset="$(echo $line | sed -e 's/.*area_offset=\"\([a-f0-9x]*\)\".*/\1/')" 50 offset="$(echo $line | sed -e 's/.*area_offset=\"\([a-f0-9x]*\)\".*/\1/')"
51 eval let \ 51 eval let \
52 fw${i}_offset="$offset" 52 fw${i}_offset="$offset"
53 size="$(echo $line | sed -e 's/.*area_size=\"\([a-f0-9x]*\)\".*/\1/')" 53 size="$(echo $line | sed -e 's/.*area_size=\"\([a-f0-9x]*\)\".*/\1/')"
54 eval let \ 54 eval let \
55 fw${i}_size="$size" 55 fw${i}_size="$size"
56 done 56 done
57 57
58 echo "Extracting GBB" 58 echo "Extracting GBB"
59 dd if="${src_fd}" of="firmware.gbb" skip="${gbb_offset}" bs=1 \ 59 dd if="${src_fd}" of="firmware.gbb" skip="${gbb_offset}" bs=1 \
60 count="${gbb_size}" 60 count="${gbb_size}"
61 echo "Extracting Firmware data and vblock(s)" 61 echo "Extracting Firmware data and vblock(s)"
62 dd if="${src_fd}" of="firmwareA.data" skip="${fwA_offset}" bs=1 \ 62 dd if="${src_fd}" of="firmwareA.data" skip="${fwA_offset}" bs=1 \
63 count="${fwA_size}" 63 count="${fwA_size}"
64 dd if="${src_fd}" of="firmwareA.vblock" skip="${fwA_vblock_offset}" bs=1 \ 64 dd if="${src_fd}" of="firmwareA.vblock" skip="${fwA_vblock_offset}" bs=1 \
65 count="${fwA_vblock_size}" 65 count="${fwA_vblock_size}"
66 dd if="${src_fd}" of="firmwareB.data" skip="${fwB_offset}" bs=1 \ 66 dd if="${src_fd}" of="firmwareB.data" skip="${fwB_offset}" bs=1 \
67 count="${fwB_size}" 67 count="${fwB_size}"
68 dd if="${src_fd}" of="firmwareB.vblock" skip="${fwB_vblock_offset}" bs=1 \ 68 dd if="${src_fd}" of="firmwareB.vblock" skip="${fwB_vblock_offset}" bs=1 \
69 count="${fwB_vblock_size}" 69 count="${fwB_vblock_size}"
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