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annotate README.hosttools @ 923:10b4bed10192

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gsm-fw/L1: fix for the DSP patch corruption bug The L1 code we got from the LoCosto fw contains a feature for DSP CPU load measurement. This feature is a LoCosto-ism, i.e., not applicable to earlier DBB chips (Calypso) with their respective earlier DSP ROMs. Most of the code dealing with that feature is conditionalized as #if (DSP >= 38), but one spot was missed, and the MCU code was writing into an API word dealing with this feature. In TCS211 this DSP API word happens to be used by the DSP code patch, hence that write was corrupting the patched DSP code.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Mon, 19 Oct 2015 17:13:56 +0000
parents c6e1c813e7f0
children 63ebab69680a
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1 You are looking at the top level of the FreeCalypso host tools package. All
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2 tools in this package have been written to run on a Unix-based or Unix-like
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3 host system, such as a GNU/Linux PC or laptop, with the expectation that the
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4 user will compile them from the source using her regular system C compiler.
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6 Most of these tools interface to and operate on Calypso-based GSM devices,
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7 while a few perform some ancillary functions. The tools collected in the
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8 present package are as follows:
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10 ffstools Here you will find tools for "in vitro" examination of FFS
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11 (flash file system) images read out of TI-based GSM devices.
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12 See doc/TIFFS-Overview for more information.
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14 loadtools These tools allow you to load your own code into Calypso GSM
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15 devices. Using these tools, you can load code into target
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16 device IRAM or XRAM and run it there, as well as dump and load
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17 flash. The operation of these tools is based on gaining
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18 control of the target device either through the Calypso on-chip
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19 boot ROM (on freedom-enabled devices), or through the
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20 flash-resident boot code on the crippled Compal phones.
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22 miscutil Two miscellaneous utilities are currently built here:
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23 fc-serterm, which is a simple binary-safe serial terminal for
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24 talking to debug serial ports that mix ASCII with binary, and
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25 imei-luhn, whose function should be self-explanatory.
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27 rvinterf In common with TI's original fw, FreeCalypso GSM fw implements
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28 the so-called RiViera serial MUX, which is a binary packet
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29 protocol for multiplexing many kinds of debug and development
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30 traffic over just one available physical serial port. This
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31 rvinterf directory contains our suite of tools for connecting
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32 to this RV serial interface, supporting both our own gsm-fw as
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33 well as some existing proprietary firmwares to the extent to
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34 which they are compatible.
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36 The tfc139 utility, which logically belongs with loadtools, is
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37 built in the rvinterf subtree because it is based on the
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38 rvinterf framework.