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annotate sh/c1xx-analyze-image @ 17:632d62e5efb4

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c1xx-analyze-image: add bootloader analysis
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 10 Jun 2023 06:24:15 +0000
parents 12810ff4aa92
children
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12810ff4aa92 c1xx-analyze-image: initial version
Mychaela Falconia <falcon@freecalypso.org>
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1 #!/bin/sh
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2
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3 if [ $# != 1 ]
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4 then
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5 echo "usage: $0 flashdump.bin" 1>&2
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6 exit 1
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7 fi
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8
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9 if [ ! -f "$1" ]
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10 then
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11 echo "Error: $1 does not exist or is not a regular file" 1>&2
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12 exit 1
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13 fi
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14
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15 length=`wc -c $1 | cut -d ' ' -f 1`
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16
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17 case "$length" in
17
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18 2097152)
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19 echo 'Flash dump file size is 2 MiB'
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20 echo 'Is it a small-flash C11x/12x phone?'
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21 flash=2m
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22 cal_offset=0x1FC000
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23 ;;
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24 4194304)
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25 echo 'Flash dump file size is 4 MiB'
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26 echo 'Possible Compal phones: C11x/12x, C139/140, SE J100'
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27 flash=4m
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28 cal_offset=0x3FC000
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29 ;;
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30 8388608)
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31 echo 'Flash dump file size is 8 MiB'
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32 echo 'Is it a Motorola C155/156 phone?'
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33 flash=8m
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34 cal_offset=0x7E0000
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35 ;;
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36 *)
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37 echo "Error: file length of $1 is not understood" 1>&2
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38 exit 1
2
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39 esac
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40
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41 set -e
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42
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43 echo 'Parsing for RF calibration records'
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44 c1xx-calextr -a rfasc -b rfbin "$1" $cal_offset
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45
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46 if [ ! -d rfbin/rx -o ! -d rfbin/tx ]
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47 then
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48 echo "Error: no RF calibration records found" 1>&2
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49 exit 1
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50 fi
17
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51
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52 case $flash in
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53 2m|4m)
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54 echo 'Analyzing bootloader'
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55 boot=`c139-analyze-boot "$1"`
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56 case "$boot" in
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57 unlocked)
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58 echo 'Found original Compal bootloader, unlocked'
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59 echo 'Generating restore-flash script'
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60 echo "flash erase-program-boot $1 0x10000" > restore-flash
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61 echo "flash e-program-bin 0x10000 $1 0x10000" >> restore-flash
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62 ;;
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63 locked)
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64 echo 'Found original Compal bootloader, LOCKED!'
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65 u=unlocked-orig-fw.bin
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66 echo "Generating unlocked version in $u"
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67 cp "$1" $u
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68 c139-patch-dmagic $u
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69 echo 'Generating restore-flash script using this image'
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70 echo "flash erase-program-boot $u 0x10000" > restore-flash
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71 echo "flash e-program-bin 0x10000 $u 0x10000" >> restore-flash
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72 ;;
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73 fc)
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74 echo 'Found FreeCalypso C11x/12x/139/140 bootloader'
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75 echo 'It is a FreeCalypso C1xx flash image, not original,'
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76 echo 'hence not generating restore-flash script.'
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77 ;;
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78 *)
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79 echo 'Not found a good bootloader version - this flash image'
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80 echo 'is UNSAFE! If you proceed with flashing FreeCalypso,'
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81 echo 'you will not be able to restore the original fw without'
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82 echo 'bricking the phone! Recommendation: please reflash your'
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83 echo 'phone to a different, known-good official Motorola fw'
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84 echo 'version before venturing into FreeCalypso fw.'
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85 ;;
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86 esac
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87 ;;
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88 8m)
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89 echo 'Analyzing bootloader'
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90 boot=`c155-analyze-boot "$1"`
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91 case "$boot" in
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92 ok)
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93 echo 'Found classic C155/156 bootloader, all good'
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94 echo 'Generating restore-flash script'
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95 echo "flash e-program-bin 0x20000 $1 0x20000" > restore-flash
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96 ;;
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97 *)
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98 echo 'Not found a good bootloader version - this flash image'
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99 echo 'is UNSAFE! Please contact FreeCalypso and share your'
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100 echo 'flash image before taking any further action.'
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101 ;;
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102 esac
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103 ;;
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104 esac