FreeCalypso > hg > freecalypso-tools
annotate rvinterf/doc/tfc139.usage @ 60:87cb03b35f77
target-utils: long-overdue s/mpffs/tiffs/ and s/MPFFS/TIFFS/ rename
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 26 Oct 2016 15:52:14 +0000 |
parents | e7502631a0f9 |
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1 The tfc139 hack-utility (see ../../doc/Compal-unlock) is based on the |
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2 rvinterf/rvtdump skeleton, and it needs to be invoked as follows: |
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3 |
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4 tfc139 [options] /dev/ttyXXX |
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5 |
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Mychaela Falconia <falcon@freecalypso.org>
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6 In the well-tested use case of breaking into TFC139 phones with fw version |
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Mychaela Falconia <falcon@freecalypso.org>
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7 8.8.17, no options are normally needed, but the following options are supported: |
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Mychaela Falconia <falcon@freecalypso.org>
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8 |
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Mychaela Falconia <falcon@freecalypso.org>
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9 -a address |
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Mychaela Falconia <falcon@freecalypso.org>
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10 |
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Mychaela Falconia <falcon@freecalypso.org>
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11 This option changes the RAM address into which the "shellcode" is to be |
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12 written; the argument is always interpreted as hex. The default is |
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13 0x800000, as used by the mot931c.exe closed source tool on whose |
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Mychaela Falconia <falcon@freecalypso.org>
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14 reverse-engineering our hack-utility is based. |
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Mychaela Falconia <falcon@freecalypso.org>
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Mychaela Falconia <falcon@freecalypso.org>
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16 -B baud |
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17 |
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Mychaela Falconia <falcon@freecalypso.org>
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18 This option changes the serial baud rate just like in rvinterf and |
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19 rvtdump, but the default is 57600 as needed for breaking into TFC139 |
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20 firmware. |
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21 |
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22 -l logfile |
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23 |
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24 Log activity in a file, just like rvinterf and rvtdump. |
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25 |
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26 -s address |
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27 |
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Mychaela Falconia <falcon@freecalypso.org>
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28 Just like mot931c.exe has been observed to do, we start our stack |
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29 smashing attempts at a certain address, and keep incrementing by 4 |
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30 until we either succeed or crash the fw in some other way that does not |
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Mychaela Falconia <falcon@freecalypso.org>
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31 help us. This option changes the starting address for these stack |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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32 smashing attempts; the argument is always interpreted as hex. The |
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33 default is 0x837C54, as observed from the reverse engineering of |
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34 mot931c. |
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Mychaela Falconia <falcon@freecalypso.org>
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36 -w number_in_seconds |
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Mychaela Falconia <falcon@freecalypso.org>
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37 |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
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38 See rvinterf.usage; the option is the same for tfc139 as for rvinterf. |